/* ==========================================================================
   新城智建建站 njtowns.com - 页面专用样式表
   各页面独立模块样式，不规则网格错位流动布局
   ========================================================================== */

/* ---------- 首页英雄区 ---------- */
.hero-home {
  padding: 130px 0 80px;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(0, 230, 92, 0.1) 0%, transparent 48%),
    radial-gradient(ellipse at 88% 82%, rgba(0, 230, 92, 0.06) 0%, transparent 45%),
    linear-gradient(160deg, var(--black-800) 0%, var(--black-900) 60%, #050505 100%);
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: center;
}
.hero-home::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 45%; height: 100%;
  background: linear-gradient(225deg, rgba(0, 230, 92, 0.04) 0%, transparent 55%);
  pointer-events: none;
}
.hero-home::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-600), transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-text .eyebrow { margin-bottom: 22px; }
.hero-title {
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 900;
}
.hero-title .accent {
  color: var(--neon-400);
  position: relative;
  display: inline-block;
}
.hero-title .accent::after {
  content: "";
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 3px;
  background: var(--neon-500);
  opacity: 0.5;
}
.hero-desc {
  font-size: 1.08rem;
  line-height: 1.9;
  margin-bottom: 34px;
  max-width: 540px;
  color: var(--gray-400);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--black-400);
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--neon-400);
  line-height: 1;
}
.hero-stat .lbl {
  font-size: 0.86rem;
  color: var(--gray-500);
  margin-top: 6px;
}

/* 英雄区右侧错位拼贴 */
.hero-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 12px;
  position: relative;
}
.hero-mosaic::before {
  content: "";
  position: absolute;
  top: -12px; right: -12px;
  width: 60px; height: 60px;
  border-top: 2px solid var(--neon-500);
  border-right: 2px solid var(--neon-500);
  opacity: 0.5;
}
.hero-mosaic::after {
  content: "";
  position: absolute;
  bottom: -12px; left: -12px;
  width: 60px; height: 60px;
  border-bottom: 2px solid var(--neon-500);
  border-left: 2px solid var(--neon-500);
  opacity: 0.5;
}
.hm-cell {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--black-700);
}
.hm-cell img { width: 100%; height: 100%; object-fit: cover; }
.hm-cell.hm1 {
  grid-column: 1 / -1;
  height: 240px;
}
.hm-cell.hm2 {
  height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  background: linear-gradient(135deg, var(--black-600), var(--black-700));
  border: 1px solid var(--black-400);
}
.hm-cell.hm3 {
  height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  background: linear-gradient(135deg, rgba(0, 230, 92, 0.12), var(--black-700));
  border: 1px solid var(--neon-700);
}
.hm-badge {
  position: absolute;
  top: 14px; left: 14px;
  padding: 5px 12px;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-400);
  z-index: 2;
  border: 1px solid rgba(0, 230, 92, 0.3);
}

/* ---------- 核心优势错位四象限 ---------- */
.advantage-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.adv-block {
  background: var(--black-700);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  position: relative;
  transition: all .4s var(--ease);
  border: 1px solid var(--black-400);
  overflow: hidden;
}
.adv-block:nth-child(1) { transform: translateY(-14px); }
.adv-block:nth-child(2) { transform: translateY(10px); }
.adv-block:nth-child(3) { transform: translateY(8px); }
.adv-block:nth-child(4) { transform: translateY(-10px); }
.adv-block::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--neon-500), transparent);
}
.adv-block:nth-child(2)::before { background: linear-gradient(90deg, var(--gray-400), transparent); }
.adv-block:nth-child(3)::before { background: linear-gradient(90deg, var(--neon-400), var(--neon-600)); }
.adv-block:nth-child(4)::before { background: linear-gradient(90deg, var(--gray-300), transparent); }
.adv-block:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-neon);
  border-color: var(--neon-600);
}
.adv-block .ico {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 230, 92, 0.15), rgba(0, 230, 92, 0.05));
  display: grid; place-items: center;
  color: var(--neon-400);
  margin-bottom: 18px;
  border: 1px solid rgba(0, 230, 92, 0.2);
}
.adv-block:nth-child(2) .ico { background: linear-gradient(135deg, var(--black-500), var(--black-600)); color: var(--gray-300); border-color: var(--black-400); }
.adv-block:nth-child(4) .ico { background: linear-gradient(135deg, var(--black-500), var(--black-600)); color: var(--gray-300); border-color: var(--black-400); }
.adv-block h3 { margin-bottom: 10px; }
.adv-block p { font-size: 0.94rem; line-height: 1.8; }

/* ---------- 服务流程错位轨道 ---------- */
.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}
.process-node {
  background: var(--black-700);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
}
.process-node:nth-child(odd) { transform: translateY(-12px); }
.process-node:nth-child(even) { transform: translateY(12px); }
.process-node:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-neon);
  border-color: var(--neon-600);
}
.step-badge {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--black-900);
  border: 2px solid var(--neon-500);
  color: var(--neon-400);
  display: grid; place-items: center;
  font-weight: 900;
  font-size: 1rem;
  margin: 0 auto 14px;
}
.process-node h4 { margin-bottom: 8px; font-size: 1rem; }
.process-node p { font-size: 0.84rem; color: var(--gray-500); line-height: 1.7; }

/* ---------- 案例卡片 ---------- */
.case-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.case-tile {
  background: var(--black-700);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
  display: block;
  position: relative;
}
.case-tile:nth-child(3n+2) { transform: translateY(16px); }
.case-tile:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--shadow-neon);
  border-color: var(--neon-600);
}
.case-thumb {
  position: relative;
  height: 210px;
  overflow: hidden;
}
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-tile:hover .case-thumb img { transform: scale(1.06); }
.case-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8, 8, 8, 0.7) 100%);
}
.case-label {
  position: absolute;
  top: 14px; left: 14px;
  padding: 4px 12px;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-400);
  z-index: 2;
  border: 1px solid rgba(0, 230, 92, 0.25);
}
.case-info { padding: 22px; }
.case-info h3 { font-size: 1.1rem; margin-bottom: 8px; }
.case-info p { font-size: 0.88rem; color: var(--gray-500); margin-bottom: 14px; line-height: 1.7; }
.case-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--gray-600);
  padding-top: 12px;
  border-top: 1px solid var(--black-500);
}

/* ---------- 数据统计带 ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--black-800);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  border: 1px solid var(--black-400);
  position: relative;
  overflow: hidden;
}
.stat-strip::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-500), var(--gray-400), var(--neon-500));
}
.stat-cell { text-align: center; padding: 0 16px; border-right: 1px solid var(--black-500); }
.stat-cell:last-child { border-right: 0; }
.stat-cell .num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--neon-400);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-cell .lbl {
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* ---------- 资讯卡片 ---------- */
.news-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-tile {
  background: var(--black-700);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
  display: block;
}
.news-tile:nth-child(4n+2) { transform: translateY(12px); }
.news-tile:nth-child(4n+3) { transform: translateY(-8px); }
.news-tile:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--shadow-neon);
  border-color: var(--neon-600);
}
.news-thumb {
  height: 175px;
  overflow: hidden;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-tile:hover .news-thumb img { transform: scale(1.05); }
.news-content { padding: 20px; }
.news-date {
  font-size: 0.8rem;
  color: var(--neon-400);
  font-weight: 700;
  margin-bottom: 8px;
}
.news-content h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-content .excerpt {
  font-size: 0.86rem;
  color: var(--gray-500);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-foot {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--gray-600);
  padding-top: 10px;
  border-top: 1px solid var(--black-500);
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--black-700) 0%, var(--black-800) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--neon-700);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -40%; right: -5%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(0, 230, 92, 0.12) 0%, transparent 65%);
  pointer-events: none;
}
.cta-banner::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--neon-500);
}
.cta-banner h2 { color: var(--gray-50); margin-bottom: 10px; }
.cta-banner p { color: var(--gray-400); font-size: 1rem; }

/* ---------- 资讯列表页 ---------- */
.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--black-500);
}
.filter-chip {
  padding: 8px 20px;
  background: var(--black-700);
  border: 1px solid var(--black-400);
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--gray-400);
  transition: all .3s var(--ease);
  font-weight: 500;
}
.filter-chip:hover, .filter-chip.active {
  background: rgba(0, 230, 92, 0.1);
  border-color: var(--neon-600);
  color: var(--neon-400);
}
.news-grid-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

/* ---------- 文章详情页 ---------- */
.article-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 44px;
}
.article-main {
  background: var(--black-700);
  border-radius: var(--radius-lg);
  padding: 44px;
  border: 1px solid var(--black-400);
}
.article-header {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--black-500);
  font-size: 0.86rem;
  color: var(--gray-500);
}
.article-header .writer {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-header .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-500), var(--neon-700));
  color: var(--black-900);
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
}
.article-body {
  font-size: 1rem;
  line-height: 2;
  color: var(--gray-300);
}
.article-body img {
  border-radius: var(--radius);
  margin-bottom: 24px;
  width: 100%;
}
.article-body p { margin-bottom: 18px; color: var(--gray-300); }
.article-body h2, .article-body h3 { margin: 28px 0 14px; color: var(--gray-50); }

/* 侧边栏 */
.article-side { position: sticky; top: 100px; align-self: start; }
.side-panel {
  background: var(--black-700);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
  border: 1px solid var(--black-400);
}
.side-panel h4 {
  font-size: 0.95rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--black-500);
  display: flex;
  align-items: center;
  color: var(--neon-400);
}
.side-news {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--black-500);
  transition: all .3s var(--ease);
}
.side-news:last-child { border-bottom: 0; }
.side-news:hover { padding-left: 4px; }
.side-news .thumb {
  width: 72px; height: 54px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}
.side-news .thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-news .info { flex: 1; min-width: 0; }
.side-news .t {
  font-size: 0.84rem;
  color: var(--gray-300);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.side-news:hover .t { color: var(--neon-400); }
.side-news .d {
  font-size: 0.74rem;
  color: var(--gray-600);
}

/* ---------- 服务详情页 ---------- */
.service-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 56px;
}
.service-hero .svc-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 340px;
  border: 1px solid var(--black-400);
}
.service-hero .svc-img img { width: 100%; height: 100%; object-fit: cover; }
.svc-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
}
.svc-feat {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.svc-feat .fi {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(0, 230, 92, 0.1);
  color: var(--neon-400);
  display: grid; place-items: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 230, 92, 0.2);
}
.svc-feat h5 { font-size: 0.92rem; margin-bottom: 4px; }
.svc-feat p { font-size: 0.82rem; line-height: 1.6; }

/* ---------- 价格卡片 ---------- */
.pricing-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.price-box {
  background: var(--black-700);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
  position: relative;
}
.price-box.featured {
  border-color: var(--neon-500);
  box-shadow: var(--shadow-neon);
  transform: scale(1.03);
}
.price-box.featured::before {
  content: "推荐";
  position: absolute;
  top: -11px; left: 50%;
  transform: translateX(-50%);
  padding: 3px 18px;
  background: var(--neon-500);
  color: var(--black-900);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
}
.price-box:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.price-box.featured:hover { transform: scale(1.03) translateY(-6px); }
.price-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gray-50);
  margin-bottom: 6px;
}
.price-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--neon-400);
  margin: 14px 0;
}
.price-amount small { font-size: 0.85rem; color: var(--gray-500); font-weight: 400; }
.price-list { margin: 22px 0; }
.price-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--black-500);
  font-size: 0.9rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-list li::before {
  content: "✓";
  color: var(--neon-500);
  font-weight: 800;
}

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--black-700);
  border-radius: var(--radius);
  margin-bottom: 14px;
  border: 1px solid var(--black-400);
  overflow: hidden;
  transition: all .3s var(--ease);
}
.faq-item.open { border-color: var(--neon-600); box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 20px 26px;
  font-weight: 700;
  color: var(--gray-100);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--neon-400);
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .4s var(--ease);
  padding: 0 26px;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 26px 22px;
}
.faq-a p { font-size: 0.94rem; line-height: 1.8; color: var(--gray-400); }

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 38px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-500), var(--gray-500), var(--neon-600));
}
.timeline-item {
  position: relative;
  padding-bottom: 36px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 5px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--black-900);
  border: 3px solid var(--neon-500);
}
.timeline-year {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--neon-400);
  margin-bottom: 6px;
}
.timeline-item h4 { margin-bottom: 6px; }
.timeline-item p { font-size: 0.94rem; }

/* ---------- 团队卡片 ---------- */
.team-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.team-card {
  background: var(--black-700);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
  text-align: center;
}
.team-card:nth-child(even) { transform: translateY(14px); }
.team-card:hover { transform: translateY(-6px) !important; box-shadow: var(--shadow-neon); border-color: var(--neon-600); }
.team-photo {
  width: 100%;
  height: 230px;
  overflow: hidden;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-detail { padding: 18px; }
.team-detail h4 { margin-bottom: 4px; }
.team-role { font-size: 0.84rem; color: var(--neon-400); font-weight: 700; }

/* ---------- 合作伙伴 ---------- */
.partner-matrix {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.partner-cell {
  background: var(--black-700);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  border: 1px solid var(--black-400);
  transition: all .3s var(--ease);
  font-weight: 700;
  color: var(--gray-400);
  font-size: 0.9rem;
}
.partner-cell:hover { border-color: var(--neon-600); color: var(--neon-400); transform: translateY(-3px); box-shadow: var(--shadow-sm); }

/* ---------- 联系页面 ---------- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
}
.contact-info {
  background: linear-gradient(160deg, var(--black-700), var(--black-800));
  border-radius: var(--radius-lg);
  padding: 38px;
  color: var(--gray-300);
  border: 1px solid var(--black-400);
  position: relative;
  overflow: hidden;
}
.contact-info::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--neon-500);
}
.contact-info h3 { color: var(--gray-50); margin-bottom: 22px; }
.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact-item .ci {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(0, 230, 92, 0.1);
  color: var(--neon-400);
  display: grid; place-items: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 230, 92, 0.2);
}
.contact-item h5 { color: var(--gray-50); font-size: 0.92rem; margin-bottom: 4px; }
.contact-item p { color: var(--gray-400); font-size: 0.88rem; }

/* ---------- 404页面 ---------- */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 230, 92, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(0, 230, 92, 0.04) 0%, transparent 50%),
    var(--black-900);
}
.error-code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 900;
  color: var(--neon-400);
  line-height: 1;
  margin-bottom: 20px;
  text-shadow: 0 0 40px rgba(0, 230, 92, 0.4);
}

/* ---------- 网站地图 ---------- */
.sitemap-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.sitemap-col h4 {
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--neon-700);
  color: var(--neon-400);
}
.sitemap-col ul li { margin-bottom: 9px; }
.sitemap-col ul li a { font-size: 0.9rem; color: var(--gray-400); }
.sitemap-col ul li a:hover { color: var(--neon-400); }

/* ---------- 文档列表 ---------- */
.doc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.doc-card {
  background: var(--black-700);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--black-400);
  transition: all .4s var(--ease);
  display: block;
}
.doc-card:hover { transform: translateY(-4px); border-color: var(--neon-600); box-shadow: var(--shadow-neon); }
.doc-card .doc-num {
  font-size: 0.75rem;
  color: var(--neon-400);
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.doc-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.doc-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; }
.doc-card .doc-meta {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--black-500);
  font-size: 0.8rem;
  color: var(--gray-600);
}