/* ============================================================
   泰达娱乐 AI Games - 企业站全局样式
   科技暗黑游戏风:深色底 + 霓虹渐变 + 发光特效
   ============================================================ */

:root {
  --bg-deep: #05080f;
  --bg-dark: #0a0f1e;
  --bg-panel: #0e1526;
  --bg-panel-2: #121b31;
  --cyan: #00d4ff;
  --purple: #7b2ff7;
  --violet: #a855f7;
  --pink: #ff2d78;
  --text-main: #eaf2ff;
  --text-sub: #93a0bd;
  --text-dim: #5d6a8a;
  --border-glow: rgba(0, 212, 255, 0.16);
  --grad-main: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
  --grad-hot: linear-gradient(135deg, #ff2d78 0%, #7b2ff7 100%);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.18);
  --font-main: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-en: "Bahnschrift", "Arial Narrow", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: rgba(0, 212, 255, 0.3); }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #00d4ff, #7b2ff7);
  border-radius: 5px;
}

/* ---------- 全局背景网格与光晕 ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 60% 45% at 50% -10%, rgba(123, 47, 247, 0.22), transparent 65%),
    radial-gradient(ellipse 50% 40% at 90% 30%, rgba(0, 212, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 40% at 8% 70%, rgba(255, 45, 120, 0.08), transparent 60%),
    var(--bg-deep);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, #000 30%, transparent 80%);
  pointer-events: none;
}

#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ---------- 容器与布局 ---------- */
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.section { padding: 110px 0; position: relative; }

.section-head {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-tag::before,
.section-tag::after {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.section-tag::after {
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.section-title {
  font-size: clamp(30px, 4.5vw, 46px);
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.25;
}

.section-title em {
  font-style: normal;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  color: var(--text-sub);
  max-width: 640px;
  margin: 18px auto 0;
  font-size: 16px;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-glow);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 1px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-main);
  display: grid;
  place-items: center;
  font-size: 20px;
  box-shadow: 0 0 22px rgba(0, 212, 255, 0.45);
  position: relative;
}

.logo-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: inherit;
  filter: blur(14px);
  opacity: 0.6;
  z-index: -1;
}

.logo b { color: var(--cyan); }
.logo small {
  display: block;
  font-size: 10px;
  letter-spacing: 5px;
  color: var(--text-sub);
  font-weight: 400;
  margin-top: -4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  position: relative;
  padding: 9px 18px;
  font-size: 15px;
  color: var(--text-sub);
  border-radius: 8px;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links a.active::after,
.nav-links a:hover::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  background: var(--grad-main);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.7);
}

.nav-cta {
  margin-left: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.btn-main {
  background: var(--grad-main);
  color: #04121f;
  box-shadow: 0 6px 26px rgba(0, 212, 255, 0.35);
}

.btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 38px rgba(0, 212, 255, 0.5);
}

.btn-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s;
}

.btn-main:hover::before { left: 130%; }

.btn-ghost {
  border: 1px solid var(--border-glow);
  color: var(--text-main);
  background: rgba(0, 212, 255, 0.05);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.25);
  transform: translateY(-3px);
  background: rgba(0, 212, 255, 0.1);
}

.btn-sm { padding: 9px 22px; font-size: 14px; }

/* ---------- Hero 大屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 8, 15, 0.55) 0%, rgba(5, 8, 15, 0.72) 55%, var(--bg-deep) 100%),
    linear-gradient(90deg, rgba(5, 8, 15, 0.85) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 60px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border-glow);
  background: rgba(0, 212, 255, 0.08);
  backdrop-filter: blur(8px);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 30px;
  animation: fadeUp 0.9s ease both;
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.8s infinite;
}

.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 3px;
  margin-bottom: 24px;
  animation: fadeUp 0.9s ease 0.12s both;
}

.hero-title .grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(0, 212, 255, 0.45));
}

.hero-title .grad-text-2 {
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  color: var(--text-sub);
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 42px;
  animation: fadeUp 0.9s ease 0.24s both;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  animation: fadeUp 0.9s ease 0.36s both;
}

.hero-stats {
  display: flex;
  gap: 0;
  margin-top: 64px;
  animation: fadeUp 0.9s ease 0.48s both;
}

.hero-stat {
  padding: 0 36px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat:first-child { padding-left: 0; border-left: none; }

.hero-stat .num {
  font-family: var(--font-en);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 2px;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 3px;
  animation: floatY 2.4s ease-in-out infinite;
}

.hero-scroll::after {
  content: "";
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, var(--cyan), transparent);
}

/* ---------- 区块通用 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 56px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- 数据卡片(核心亮点) ---------- */
.feature-card {
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 34px 28px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity 0.4s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 26px;
  margin-bottom: 22px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-glow);
  color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.15);
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.feature-card p {
  color: var(--text-sub);
  font-size: 14.5px;
}

/* ---------- 游戏卡片 ---------- */
.games-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.game-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.45s ease;
  cursor: pointer;
}

.game-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), var(--shadow-glow);
}

.game-card .cover {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.game-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.game-card:hover .cover img { transform: scale(1.08); }

.game-card .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 11, 20, 0.92) 100%);
}

.game-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  letter-spacing: 2px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(7, 11, 20, 0.55);
}

.game-tag.hot {
  background: rgba(255, 45, 120, 0.85);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 45, 120, 0.5);
}

.game-tag.new {
  background: rgba(0, 212, 255, 0.85);
  border-color: transparent;
  color: #04121f;
}

.game-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 18px;
}

.game-info h3 {
  font-size: 18px;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.game-info p {
  font-size: 12.5px;
  color: var(--text-sub);
  letter-spacing: 1px;
}

.game-info .game-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.4s ease 0.05s;
}

.game-card:hover .game-meta { opacity: 1; transform: translateY(0); }

.game-meta .platform {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 2px;
}

.game-meta .arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--grad-main);
  display: grid;
  place-items: center;
  color: #04121f;
  font-size: 14px;
}

/* ---------- AI 技术区 ---------- */
.ai-showcase {
  background:
    radial-gradient(ellipse 70% 80% at 80% 30%, rgba(123, 47, 247, 0.16), transparent 60%),
    linear-gradient(160deg, rgba(14, 21, 38, 0.85), rgba(8, 12, 24, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 26px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 52px;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.ai-showcase::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18), transparent 70%);
  top: -120px;
  right: -100px;
  animation: pulse 4s ease-in-out infinite;
}

.ai-text h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.ai-text h2 em {
  font-style: normal;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ai-text p { color: var(--text-sub); margin-bottom: 26px; font-size: 15px; }

.ai-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.ai-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
}

.ai-list .ai-check {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid var(--border-glow);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-size: 12px;
}

.ai-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.ai-core {
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  background: var(--grad-main);
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.55), 0 0 120px rgba(123, 47, 247, 0.4);
  display: grid;
  place-items: center;
  font-size: 38px;
  animation: pulse 3s ease-in-out infinite;
  z-index: 3;
}

.ai-ring {
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(0, 212, 255, 0.35);
  border-radius: 50%;
  animation: spin 24s linear infinite;
}

.ai-ring::before,
.ai-ring::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
  top: 50%;
  left: -6px;
  transform: translateY(-50%);
}

.ai-ring::after {
  background: var(--violet);
  box-shadow: 0 0 14px var(--violet);
  left: auto;
  right: -6px;
}

.ai-ring.r2 {
  inset: 26%;
  animation-direction: reverse;
  animation-duration: 18s;
  border-color: rgba(255, 45, 120, 0.3);
}

.ai-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 92px;
  text-align: center;
}

.ai-node .n-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(14, 21, 38, 0.95);
  border: 1px solid var(--border-glow);
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--cyan);
  box-shadow: var(--shadow-glow);
}

.ai-node span {
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 1px;
}

.ai-node.n1 { top: 0; left: 50%; transform: translateX(-50%); }
.ai-node.n2 { top: 50%; right: 0; transform: translateY(-50%); }
.ai-node.n3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.ai-node.n4 { top: 50%; left: 0; transform: translateY(-50%); }

/* ---------- 数据大屏条 ---------- */
.tech-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.8), rgba(8, 12, 24, 0.85));
}

.tech-strip .t-item {
  padding: 42px 30px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
}

.tech-strip .t-item:last-child { border-right: none; }

.tech-strip .t-num {
  font-family: var(--font-en);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tech-strip .t-num small { font-size: 0.5em; -webkit-text-fill-color: var(--text-sub); }

.tech-strip .t-label {
  margin-top: 8px;
  color: var(--text-sub);
  font-size: 14px;
  letter-spacing: 2px;
}

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.news-card {
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.news-thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(7, 11, 20, 0.55));
}

.news-thumb .news-date-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 6px 12px;
  text-align: center;
  font-family: var(--font-en);
}

.news-date-badge b {
  display: block;
  font-size: 18px;
  color: var(--cyan);
  line-height: 1.1;
}

.news-date-badge span {
  font-size: 10px;
  color: var(--text-sub);
  letter-spacing: 2px;
}

.news-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }

.news-cat {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--violet);
  margin-bottom: 10px;
}

.news-body h3 {
  font-size: 17px;
  line-height: 1.55;
  margin-bottom: 12px;
  transition: color 0.3s;
}

.news-card:hover .news-body h3 { color: var(--cyan); }

.news-body p {
  font-size: 14px;
  color: var(--text-sub);
  flex: 1;
  margin-bottom: 18px;
}

.news-more {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.news-card:hover .news-more { gap: 12px; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  border-radius: 26px;
  padding: 80px 60px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(0, 212, 255, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(14, 21, 38, 0.95), rgba(10, 15, 30, 0.95));
  border: 1px solid var(--border-glow);
}

.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.18);
  animation: pulse 5s ease-in-out infinite;
}

.cta-band::before { top: -90px; left: -60px; }
.cta-band::after { bottom: -110px; right: -50px; animation-delay: 2s; }

.cta-band h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 2px;
  position: relative;
}

.cta-band h2 em {
  font-style: normal;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-band p {
  color: var(--text-sub);
  max-width: 560px;
  margin: 0 auto 36px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, transparent, rgba(5, 8, 15, 0.9));
  padding: 80px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 56px;
}

.footer .logo { margin-bottom: 20px; }

.footer-about p {
  color: var(--text-sub);
  font-size: 14px;
  max-width: 300px;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  font-size: 17px;
  color: var(--text-sub);
  transition: all 0.35s;
  background: rgba(255, 255, 255, 0.03);
}

.footer-social a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
}

.footer h4 {
  font-size: 15px;
  letter-spacing: 3px;
  margin-bottom: 22px;
  color: var(--text-main);
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  color: var(--text-sub);
  font-size: 14px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: "›";
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.3s;
}

.footer-links a:hover { color: var(--cyan); }
.footer-links a:hover::before { opacity: 1; transform: translateX(0); }

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: 14px;
}

.footer-contact .c-icon { color: var(--cyan); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
}

.footer-bottom a { color: var(--text-sub); }
.footer-bottom a:hover { color: var(--cyan); }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: 190px 0 110px;
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 70% at 50% 0%, rgba(0, 212, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 40% 60% at 80% 20%, rgba(123, 47, 247, 0.12), transparent 60%);
  z-index: -1;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 18px;
}

.page-hero h1 em {
  font-style: normal;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero p {
  color: var(--text-sub);
  max-width: 620px;
  margin: 0 auto;
  font-size: 16px;
}

.breadcrumb {
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.breadcrumb a { color: var(--cyan); }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.about-visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.about-visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.about-visual .float-card {
  position: absolute;
  bottom: 22px;
  left: 22px;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 16px 22px;
  animation: floatY 3s ease-in-out infinite;
}

.float-card b {
  font-size: 26px;
  font-family: var(--font-en);
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.float-card span {
  display: block;
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 2px;
}

.about-text h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.35;
}

.about-text h2 em {
  font-style: normal;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-text p { color: var(--text-sub); margin-bottom: 18px; }

.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }

.about-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 16px;
}

.about-points .pt {
  color: var(--cyan);
  font-size: 12px;
}

/* 发展历程时间线 */
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 44px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--purple), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 46px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.6);
}

.timeline-item .t-year {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.timeline-item h3 { font-size: 18px; margin-bottom: 8px; }

.timeline-item p { color: var(--text-sub); font-size: 14.5px; }

/* 团队卡片 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.team-card {
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 34px 24px;
  text-align: center;
  transition: all 0.4s;
}

.team-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.team-avatar {
  width: 84px;
  height: 84px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--grad-main);
  display: grid;
  place-items: center;
  font-size: 32px;
  box-shadow: 0 0 26px rgba(0, 212, 255, 0.35);
  position: relative;
}

.team-card h3 { font-size: 17px; margin-bottom: 4px; }

.team-card .role {
  font-size: 12.5px;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.team-card p { font-size: 13.5px; color: var(--text-sub); }

/* ---------- 游戏页 ---------- */
.games-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.filter-btn {
  padding: 10px 26px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-sub);
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.3s;
  background: rgba(255, 255, 255, 0.03);
}

.filter-btn:hover { color: var(--text-main); border-color: var(--cyan); }

.filter-btn.active {
  background: var(--grad-main);
  border-color: transparent;
  color: #04121f;
  font-weight: 700;
  box-shadow: 0 0 22px rgba(0, 212, 255, 0.35);
}

.game-card.hide { display: none; }

/* 游戏详情弹窗 */
.cover-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-size: 74px;
  position: relative;
}

.cover-fallback::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 25%, rgba(0, 212, 255, 0.28), transparent 55%),
    radial-gradient(circle at 75% 75%, rgba(123, 47, 247, 0.32), transparent 55%),
    linear-gradient(155deg, #16203c 0%, #0b1224 100%);
}

.cover-fallback::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px dashed rgba(0, 212, 255, 0.3);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}

.cover-fallback .fb-icon {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 22px rgba(0, 212, 255, 0.6));
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.open { display: flex; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(4, 7, 14, 0.82);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

.modal-box {
  position: relative;
  width: min(760px, 100%);
  max-height: 86vh;
  overflow-y: auto;
  background: linear-gradient(165deg, #121b31, #0a0f1e);
  border: 1px solid var(--border-glow);
  border-radius: 22px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  animation: modalIn 0.4s ease;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(7, 11, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  font-size: 18px;
  display: grid;
  place-items: center;
  transition: all 0.3s;
}

.modal-close:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: rotate(90deg);
}

.modal-cover { position: relative; height: 300px; }

.modal-cover img { width: 100%; height: 100%; object-fit: cover; }

.modal-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, #0a0f1e);
}

.modal-cover .modal-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(255, 45, 120, 0.9);
  font-size: 12px;
  letter-spacing: 2px;
}

.modal-body { padding: 30px 34px 38px; }

.modal-body h3 { font-size: 26px; margin-bottom: 8px; }

.modal-body .m-meta {
  color: var(--text-sub);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.modal-body .m-meta b { color: var(--cyan); }

.modal-body p { color: var(--text-sub); font-size: 15px; margin-bottom: 24px; }

.modal-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.modal-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 12px 14px;
}

.modal-features .mf { color: var(--cyan); }

/* ---------- AI 技术页 ---------- */
.tech-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.tech-card {
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 38px 30px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.tech-card::after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12), transparent 70%);
  top: -40px;
  right: -40px;
  transition: all 0.4s;
}

.tech-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.tech-card:hover::after { transform: scale(1.6); }

.tech-card .t-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-glow);
  display: grid;
  place-items: center;
  font-size: 27px;
  color: var(--cyan);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.12);
}

.tech-card h3 { font-size: 19px; margin-bottom: 12px; letter-spacing: 1px; }

.tech-card p { color: var(--text-sub); font-size: 14.5px; }

/* 技术指标条 */
.ai-progress-wrap { display: flex; flex-direction: column; gap: 30px; }

.ai-progress .ap-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14.5px;
}

.ai-progress .ap-head b { color: var(--cyan); font-family: var(--font-en); }

.ai-progress .ap-bar {
  height: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  position: relative;
}

.ai-progress .ap-fill {
  height: 100%;
  border-radius: 10px;
  background: var(--grad-main);
  width: 0;
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.5);
  position: relative;
}

.ai-progress .ap-fill::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45));
  animation: shimmer 2.2s infinite;
}

/* 专利/荣誉 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.honor-card {
  text-align: center;
  padding: 34px 20px;
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  transition: all 0.4s;
}

.honor-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}

.honor-card .h-icon { font-size: 34px; margin-bottom: 16px; }

.honor-card h3 { font-size: 16px; margin-bottom: 6px; }

.honor-card p { font-size: 13px; color: var(--text-sub); }

/* ---------- 新闻页 ---------- */
.news-list { display: flex; flex-direction: column; gap: 22px; max-width: 900px; margin: 0 auto; }

.news-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 20px;
  transition: all 0.4s;
  cursor: pointer;
  align-items: center;
}

.news-row:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateX(8px);
}

.news-row .n-thumb {
  height: 140px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.news-row .n-thumb img { width: 100%; height: 100%; object-fit: cover; }

.news-row .n-date {
  position: absolute;
  left: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(123, 47, 247, 0.92), rgba(0, 212, 255, 0.92));
  color: #fff;
  font-size: 12px;
  padding: 5px 14px;
  border-top-right-radius: 10px;
  letter-spacing: 1px;
}

.news-row h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.5;
  transition: color 0.3s;
}

.news-row:hover h3 { color: var(--cyan); }

.news-row .n-cat {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--violet);
  margin-bottom: 6px;
}

.news-row p {
  color: var(--text-sub);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 56px;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-sub);
  font-size: 14px;
  display: grid;
  place-items: center;
  transition: all 0.3s;
}

.page-btn:hover { color: var(--cyan); border-color: var(--cyan); }

.page-btn.active {
  background: var(--grad-main);
  color: #04121f;
  border-color: transparent;
  font-weight: 700;
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.9), rgba(10, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 22px 24px;
  transition: all 0.35s;
}

.contact-item:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.contact-item .c-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 13px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-glow);
  display: grid;
  place-items: center;
  font-size: 20px;
  color: var(--cyan);
}

.contact-item h3 { font-size: 15px; margin-bottom: 4px; }

.contact-item p, .contact-item a {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.contact-item a:hover { color: var(--cyan); }

.contact-form {
  background: linear-gradient(160deg, rgba(14, 21, 38, 0.92), rgba(10, 15, 30, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  padding: 40px 38px;
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.contact-form .form-sub {
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: 30px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--text-sub);
  margin-bottom: 9px;
}

.form-group label i { color: var(--pink); font-style: normal; }

.form-control {
  width: 100%;
  background: rgba(5, 8, 15, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14.5px;
  outline: none;
  transition: all 0.3s;
}

.form-control:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

textarea.form-control { resize: vertical; min-height: 130px; }

.form-tip {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 14px;
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(34px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(1.06); }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(400%); }
}

/* 滚动显现 */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4, .games-grid, .team-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ai-showcase { grid-template-columns: 1fr; padding: 40px; }
  .ai-visual { max-width: 360px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(18px);
    padding: 18px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border-glow);
    transform: translateY(-130%);
    transition: transform 0.4s ease;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-links a { padding: 13px 18px; font-size: 16px; }

  .nav-links .nav-cta { margin: 10px 0 0; }

  .hero { min-height: auto; padding-bottom: 80px; }

  .hero-stats { flex-wrap: wrap; gap: 20px 0; }
  .hero-stat { padding: 0 24px; }
  .hero-stat:first-child { padding-left: 0; }

  .grid-2, .grid-3, .about-grid { grid-template-columns: 1fr; }
  .games-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .news-grid { grid-template-columns: 1fr; }
  .tech-strip { grid-template-columns: repeat(2, 1fr); }
  .tech-strip .t-item { border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
  .tech-strip .t-item:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .cta-band { padding: 60px 30px; }
  .form-row { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 1fr; }
  .news-row .n-thumb { height: 180px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .about-points { grid-template-columns: 1fr; }
  .modal-features { grid-template-columns: 1fr; }
  .modal-cover { height: 220px; }
}

@media (max-width: 480px) {
  .games-grid, .team-grid, .honor-grid, .tech-cards { grid-template-columns: 1fr; }
  .hero-stat { padding: 0 14px; }
  .ai-showcase { padding: 30px 22px; }
}

/* ---------- 游戏卡片静态描述(SEO可抓取) ---------- */
.game-seo {
  padding: 16px 18px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.game-seo h4 {
  font-size: 15px;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: var(--cyan);
}

.game-seo p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.game-seo ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.game-seo li {
  font-size: 12.5px;
  color: var(--text-sub);
  padding: 3px 0;
}

.game-seo li::before {
  content: "✦ ";
  color: var(--cyan);
}

@media (max-width: 768px) {
  .game-seo { padding: 14px 16px 16px; }
}

/* ---------- 新闻详情页 ---------- */
.art-date {
  color: var(--text-sub);
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.article-body {
  max-width: 860px;
  margin: 0 auto;
}

.article-body p {
  font-size: 15.5px;
  line-height: 2;
  color: var(--text-sub);
  margin-bottom: 18px;
}

.article-body h2 {
  font-size: 22px;
  margin: 34px 0 16px;
  letter-spacing: 1px;
}

.article-body h2 em {
  color: var(--cyan);
  font-style: normal;
}

.article-body .art-quote {
  border-left: 3px solid var(--cyan);
  padding: 10px 18px;
  background: rgba(0, 212, 255, 0.06);
  border-radius: 0 10px 10px 0;
  margin: 22px 0;
  font-size: 14.5px;
  color: var(--text-sub);
}

.article-nav {
  display: flex;
  gap: 14px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.related-news {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.related-news a {
  display: block;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  background: var(--bg-panel);
  font-size: 13.5px;
  color: var(--text-main);
  line-height: 1.7;
  transition: all 0.3s ease;
}

.related-news a:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.related-news .r-date {
  display: block;
  font-size: 11.5px;
  color: var(--text-sub);
  margin-top: 6px;
}

@media (max-width: 768px) {
  .related-news { grid-template-columns: 1fr; }
}
