/* ===== 基础重置与变量 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0a0e17;
  --color-bg-dark: #060912;
  --color-bg-card: #111827;
  --color-primary: #00c853;
  --color-primary-dark: #00a844;
  --color-accent: #ff6d00;
  --color-text: #e0e6ed;
  --color-text-muted: #8892a4;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-main: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --header-height: 64px;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 700;
}

.logo-icon {
  font-size: 1.4rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-menu a {
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.nav-menu a:hover {
  color: var(--color-primary);
  background: rgba(0, 200, 83, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #00e676, var(--color-primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 200, 83, 0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

/* ===== 英雄区 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10, 14, 23, 0.85) 0%, rgba(10, 14, 23, 0.6) 50%, rgba(0, 200, 83, 0.08) 100%),
    radial-gradient(ellipse at 70% 30%, rgba(0, 200, 83, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 109, 0, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, #0d1520 0%, #0a0e17 40%, #060912 100%);
  z-index: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 83, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 83, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: 4px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--color-text-muted);
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
}

.hero-tags li {
  padding: 8px 20px;
  background: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.25);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* ===== 通用区块 ===== */
.section {
  padding: 100px 0;
}

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

.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-title-left::after {
  margin-left: 0;
}

.section-desc {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 60px;
  font-size: 1.05rem;
}

/* ===== 截图画廊 ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.gallery-img {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.gallery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.gallery-item:hover .gallery-img img {
  transform: scale(1.05);
}

.gallery-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.6));
  pointer-events: none;
}

.gallery-info {
  padding: 20px;
}

.gallery-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.gallery-info p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===== 特色卡片 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(0, 200, 83, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===== 战斗系统 ===== */
.combat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.combat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.combat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.combat-number {
  font-size: 3rem;
  font-weight: 800;
  color: rgba(0, 200, 83, 0.12);
  position: absolute;
  top: 16px;
  right: 24px;
}

.combat-card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.combat-card > p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.combat-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.combat-list li {
  padding: 6px 14px;
  background: rgba(0, 200, 83, 0.08);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ===== 关于我们 ===== */
.about-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 2rem;
  color: var(--color-primary);
  font-weight: 800;
}

.stat-item strong span {
  font-size: 1.2rem;
}

.stat-item > span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.about-badge {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 3px solid rgba(0, 200, 83, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

.badge-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
}

.badge-sub {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.2); }
  50% { box-shadow: 0 0 0 20px rgba(0, 200, 83, 0); }
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.contact-card-highlight {
  border-color: rgba(0, 200, 83, 0.3);
  background: linear-gradient(135deg, rgba(0, 200, 83, 0.05), var(--color-bg-card));
}

.contact-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-card p {
  color: var(--color-text-muted);
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.contact-card a {
  word-break: break-all;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
}

.footer-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ===== 弹窗 ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 48px 40px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--transition);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.modal-content h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.modal-content p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-wrap {
    grid-template-columns: 1fr;
  }

  .about-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-menu a {
    display: block;
    padding: 12px 16px;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .combat-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    justify-content: center;
  }

  .section {
    padding: 70px 0;
  }
}