/**
 * 企业官网样式 - 粉紫霓虹 · 科技感（深空黑底 + 品红/紫霓虹 + 细网格 + HUD）
 */

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
  --bg: #000000;
  --bg-2: #0c0716;
  --bg-3: #130b22;
  --bg-4: #1a0f2f;
  --ink: #f5f1ff;
  --ink-2: #c9bde8;
  --ink-3: #8d7fb8;
  --accent: #ff3d8f;
  --accent-2: #b06bff;
  --accent-3: #5ee6ff;
  --line: rgba(176, 107, 255, 0.22);
  --glow-sm: 0 0 18px rgba(255, 61, 143, 0.30);
  --glow: 0 0 34px rgba(255, 61, 143, 0.42);
  --glow-violet: 0 0 28px rgba(176, 107, 255, 0.38);
  --radius: 6px;
  --radius-sm: 3px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, "Menlo", monospace;
  --transition: cubic-bezier(0.2, 0.8, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(176, 107, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 107, 255, 0.045) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
iframe { background: transparent; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.4s var(--transition);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(6, 3, 13, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.logo-mark {
  width: 28px; height: 28px;
  border-radius: 5px;
  background: var(--accent);
  box-shadow: var(--glow-sm);
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 2px;
  background: var(--bg);
}

.logo-img {
  height: 30px;
  width: auto;
  display: block;
  border-radius: 4px;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-menu a {
  padding: 8px 16px;
  font-size: 14px;
  color: var(--ink-2);
  border-radius: 6px;
  transition: all 0.25s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--ink);
  text-shadow: 0 0 12px rgba(255, 61, 143, 0.6);
  background: rgba(255, 61, 143, 0.10);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  width: 100%;
  height: 78vh;
  min-height: 540px;
  max-height: 780px;
  overflow: hidden;
  background: var(--bg);
}

/* ===== GradientWaves ===== */
.gradient-waves-mount {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.gradient-waves-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 72px;
  background: linear-gradient(180deg, rgba(6,3,13,0.55) 0%, rgba(6,3,13,0.12) 45%, rgba(6,3,13,0.72) 80%, #000000 100%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  padding: 0 24px;
  color: var(--ink);
  max-width: 860px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 22px;
  font-weight: 500;
}
.hero-tag::before,
.hero-tag::after {
  content: '';
  width: 26px; height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-title {
  font-size: clamp(24px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  white-space: normal;
  text-wrap: balance;
  color: #ffffff;
  text-shadow: 0 0 40px rgba(255, 61, 143, 0.22);
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-2);
  margin-bottom: 40px;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s var(--transition);
  pointer-events: auto;
  cursor: pointer;
  border: none;
}

.btn-gold {
  background: var(--accent);
  color: #ffffff;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow-sm);
}

.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--ink-3);
  border-radius: 12px;
  position: relative;
}

.mouse::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent);
  animation: scrollHint 2s infinite;
}

@keyframes scrollHint {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ===== Banner slider ===== */
.banner-slider {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  background: var(--bg-2);
}
.banner-track { position: absolute; inset: 0; }
.banner-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s var(--transition);
}
.banner-slide.active { opacity: 1; }
.banner-link { position: absolute; inset: 0; }
.banner-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 60px 24px 40px;
  background: linear-gradient(180deg, transparent, rgba(6, 3, 13, 0.85));
  color: var(--ink);
  text-align: center;
}
.banner-caption h3 { font-size: 24px; font-weight: 600; margin-bottom: 6px; }
.banner-caption p { font-size: 14px; color: var(--ink-2); }
.banner-dots {
  position: absolute;
  bottom: 14px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px;
  z-index: 2;
}
.banner-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  padding: 0;
  transition: all 0.3s;
}
.banner-dot.active {
  background: var(--accent);
  box-shadow: var(--glow-sm);
  width: 24px;
  border-radius: 4px;
}

/* ===== Sections ===== */
.section {
  padding: 110px 0;
}

/* 新闻区块与下方联系我们无缝衔接，去掉多余底部间距 */
#news {
  padding-bottom: 0;
}
/* 统一内容轴：新闻区块与其它区块同宽（1320px） */
#news .container { max-width: 1320px; }
/* 新闻区块：黑色底 + 粒子背景（与关于区块一致） */
#news { position: relative; overflow: hidden; }
#news .container { position: relative; z-index: 1; }
/* 通用区块粒子画布（铺满所在区块，位于内容之后） */
.particles-bg {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.section-dark {
  background: var(--bg-2);
  color: var(--ink);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 500;
  text-transform: uppercase;
}
.section-tag::before,
.section-tag::after {
  content: '';
  width: 22px; height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.section-tag.gold { color: var(--accent-2); }
.section-tag.gold::before,
.section-tag.gold::after { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }

.section-title {
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section-title.light { color: var(--ink); }

.divider {
  width: 48px; height: 3px;
  background: var(--accent);
  box-shadow: var(--glow-sm);
  border-radius: 2px;
  margin: 22px auto 0;
}

.divider.gold { background: var(--accent-2); box-shadow: var(--glow-violet); }

.section-desc {
  margin-top: 18px;
  color: var(--ink-2);
  font-size: 16px;
}

.section-desc.light { color: var(--ink-2); }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  font-size: 16px;
  color: var(--ink-2);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 44px;
  margin-top: 38px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  position: relative;
}

.stat-num, .stat-plus {
  font-size: 40px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-plus { color: var(--accent); margin-left: 2px; text-shadow: 0 0 16px rgba(255,61,143,0.5); }

.stat-label {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 8px;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-card {
  position: relative;
  width: 300px; height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.55;
  box-shadow: var(--glow-sm), inset 0 0 30px rgba(255, 61, 143, 0.08);
  animation: ringSpin 24s linear infinite;
}

.visual-ring.ring-2 {
  inset: 26px;
  border-color: var(--accent-2);
  opacity: 0.45;
  box-shadow: var(--glow-violet);
  animation: ringSpin 18s linear infinite reverse;
}

@keyframes ringSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.visual-center {
  text-align: center;
}

.vc-num {
  display: block;
  font-size: 68px;
  font-weight: 700;
  color: var(--accent);
  text-shadow: var(--glow);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.vc-text {
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
  font-family: var(--mono);
  text-transform: uppercase;
}

/* ===== Showcase (draggable 3D carousel) ===== */
.showcase {
  position: relative;
  width: 100%;
  margin-top: 20px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.showcase-track {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  padding: 22px 26px 44px;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.showcase-track::-webkit-scrollbar { display: none; }
.showcase-track.is-dragging { cursor: grabbing; }

.showcase-card {
  position: relative;
  flex: 0 0 320px;
  height: 420px;
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--bg-3) 0%, var(--bg-4) 100%);
  border: 1px solid var(--line);
  transition: border-color 0.3s, box-shadow 0.3s;
  will-change: transform;
}

.showcase-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.showcase-card::before,
.showcase-card::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--accent);
  opacity: 0.45;
  pointer-events: none;
  transition: opacity 0.3s;
}
.showcase-card::before { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.showcase-card::after { bottom: 12px; right: 12px; border-left: none; border-top: none; }
.showcase-card:hover::before,
.showcase-card:hover::after { opacity: 1; }

.sc-glare {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.14), transparent 60%);
}

.sc-fill {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 12px;
}

.sc-media {
  flex: 1;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
  border: 1px solid var(--line);
}
.sc-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sc-index {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  text-shadow: 0 0 12px rgba(176, 107, 255, 0.5);
}

.sc-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}

.sc-icon {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 58px;
  position: relative;
}
.sc-icon::before {
  content: '';
  position: absolute;
  width: 130px; height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 61, 143, 0.18), transparent 70%);
}

.sc-title {
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.sc-desc {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ===== News ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-3);
  border: 1px solid var(--line);
  transition: all 0.4s var(--transition);
  position: relative;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.news-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.news-img-default {
  background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-4) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-img-default span {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 18px rgba(255, 61, 143, 0.5);
}

.news-body {
  padding: 24px;
}

.news-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  margin: 8px 0;
  color: var(--ink);
}

.news-summary {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}

.empty-tip {
  text-align: center;
  color: var(--ink-3);
  padding: 40px 0;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.contact-item {
  text-align: center;
  padding: 34px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-3);
  transition: all 0.3s;
  position: relative;
}

.contact-item:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.contact-icon {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(255, 61, 143, 0.10);
  color: var(--accent);
  border: 1px solid rgba(255, 61, 143, 0.30);
}
.contact-icon svg { width: 24px; height: 24px; }

.contact-item h4 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 8px;
}

.contact-item p {
  font-size: 14px;
  color: var(--ink-2);
}

/* ===== Footer（Bold Statement 页脚，复刻 Spy UI） ===== */
.footer {
  position: relative;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 96px 24px 32px;
}

.footer::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), var(--accent-3), transparent);
  opacity: 0.6;
  pointer-events: none;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.footer-stmt { display: flex; flex-direction: column; justify-content: center; }

.footer-stmt-h {
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.92;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.footer-stmt-gradient {
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.92;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #ec4899;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .footer-stmt-gradient {
    background: linear-gradient(90deg, #a855f7, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.footer-stmt-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  margin-top: 10px;
}
@media (min-width: 1200px) {
  .footer-stmt-row { flex-direction: row; align-items: center; gap: 40px; }
}

.footer-cta-btn {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  padding: 18px 34px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: box-shadow 0.3s;
}
.footer-cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #a855f7, #ec4899);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}
.footer-cta-btn:hover::before { opacity: 1; }
.footer-cta-btn:hover { box-shadow: 0 0 40px rgba(139, 92, 246, 0.4); }
.footer-cta-btn > * { position: relative; z-index: 1; }
.footer-cta-btn:hover .footer-cta-text { color: #fff; }
.footer-cta-arrow {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}
.footer-cta-btn:hover .footer-cta-arrow { transform: rotate(-45deg); }
.footer-cta-arrow svg { width: 18px; height: 18px; }

.footer-divider {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  margin: 56px 0;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  font-size: 13px;
  color: var(--ink-3);
}
@media (min-width: 768px) {
  .footer-meta { flex-direction: row; align-items: flex-end; gap: 0; }
}

.footer-meta-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 340px;
  line-height: 1.7;
}
.footer-meta-copy {
  display: flex;
  gap: 16px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.footer-meta-copy a { color: var(--ink-3); }
.footer-meta-copy a:hover { color: var(--accent); }

.footer-meta-cols { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-meta-col { display: flex; flex-direction: column; gap: 8px; }
.footer-meta-col-title { color: var(--ink-3); margin-bottom: 4px; font-size: 12px; }
.footer-meta-col a { color: var(--ink-2); text-decoration: none; transition: color 0.2s; }
.footer-meta-col a:hover { color: var(--accent); }

/* 回到顶部 */
.back-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff3d8f, #b06bff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--glow-violet);
  z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-3px); box-shadow: var(--glow); }

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .visual-ring, .visual-ring.ring-2, .mouse::after { animation: none; }
  .fade-in { transition: none; opacity: 1; transform: none; }
}

/* ===== News detail ===== */
.nav-back {
  color: var(--ink-2);
  font-size: 14px;
  transition: color 0.2s;
}
.nav-back:hover { color: var(--accent); }

/* 新闻详情页页脚（与首页品牌一致） */
.footer { padding: 44px 0 32px; margin-top: 48px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center; color: var(--ink-3); }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; }
.footer-copy, .footer-icp { color: var(--ink-3); font-size: 13px; }
.footer-icp a { color: var(--ink-3); }

.article {
  max-width: 800px;
  padding-top: 140px;
  padding-bottom: 80px;
}
.article-header { text-align: center; margin-bottom: 32px; }
.article-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
}
.article-header h1 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 700;
  margin-top: 12px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.article-cover {
  height: 360px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  margin-bottom: 32px;
  border: 1px solid var(--line);
}
.article-body { font-size: 16px; line-height: 1.9; color: var(--ink-2); }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .banner-slider { height: 240px; }
  .showcase-card { flex-basis: 264px; height: 384px; }
  .nav-menu {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(6, 3, 13, 0.96);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
    border-bottom: 1px solid var(--line);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .news-grid { grid-template-columns: 1fr; }
  .about-stats { gap: 26px; }
  .stat-num, .stat-plus { font-size: 32px; }
  .visual-card { width: 220px; height: 220px; }
  .vc-num { font-size: 52px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; text-align: center; }
  .hero { min-height: 100svh; }
  .hero-tag { font-size: 11px; letter-spacing: 0.14em; }
  .hero-content { padding: 0 20px; }
  .scroll-hint { bottom: 18px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 23px; line-height: 1.2; }
  .hero-sub { font-size: 15px; margin-bottom: 30px; }
}

/* ===== 首页入场开屏动画 ===== */
.light-pillar-container {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}
.light-pillar-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%; height: 100%;
}

.entry-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: #02030a;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.7s ease;
}
.entry-overlay.done { opacity: 0; }
.entry-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  transition: filter 0.7s ease;
}
.entry-overlay.done .entry-canvas { filter: blur(14px); }

.entry-center { position: relative; text-align: center; opacity: 0; transition: opacity 0.5s ease; }
.entry-overlay.show-logo .entry-center { opacity: 1; }

.entry-logo { position: relative; display: inline-block; width: 96px; height: 96px; }
.entry-ring {
  position: absolute; inset: -14px; border-radius: 50%;
  border: 1px solid transparent;
  background: conic-gradient(from 0deg, #4f8cff, #a855f7, #5ee6ff, #4f8cff) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: entrySpin 2.2s linear infinite;
  opacity: 0; transition: opacity 0.4s;
}
.entry-overlay.show-logo .entry-ring { opacity: 1; }
.entry-mark {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 18px; overflow: hidden;
  background: linear-gradient(135deg, #4f8cff, #a855f7);
  box-shadow: 0 0 40px rgba(79, 140, 255, 0.5);
}
.entry-mark img { width: 100%; height: 100%; object-fit: contain; }
.entry-mark-fallback::after {
  content: ''; position: absolute; inset: 30%; border-radius: 6px; background: #02030a;
}
.entry-title {
  margin-top: 40px;
  font-size: clamp(24px, 4vw, 40px); font-weight: 700; letter-spacing: 0.04em;
  color: #ffffff; text-shadow: 0 0 30px rgba(79, 140, 255, 0.5);
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.entry-overlay.show-title .entry-title { opacity: 1; transform: translateY(0); }

@keyframes entrySpin { to { transform: rotate(360deg); } }

/* 入场结束后的首页内容进场 */
html.entered .navbar { animation: entryNav 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
html.entered .hero-tag { animation: entryRise 0.6s 0.05s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
html.entered .hero-title { animation: entryRise 0.6s 0.12s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
html.entered .hero-sub { animation: entryRise 0.6s 0.2s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
html.entered .hero-buttons { animation: entryRise 0.6s 0.28s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
html.entered .showcase-card { animation: entryRise 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
html.entered .showcase-card:nth-child(2) { animation-delay: 0.1s; }
html.entered .showcase-card:nth-child(3) { animation-delay: 0.2s; }
html.entered .showcase-card:nth-child(4) { animation-delay: 0.3s; }

@keyframes entryNav {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes entryRise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}