:root {
  --bg: #1c1308;
  --bg2: #2e1f0d;
  --gold: #ffc83d;
  --gold-deep: #e8a317;
  --gold-soft: #ffe6a8;
  --cream: #fff6e6;
  --muted: #c9b48c;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  width: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px; /* 吸顶导航不遮挡锚点 */
}
html, body {
  width: 100%;
  background: var(--bg);
  color: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* 容器：随屏幕自适应拓宽，桌面不再显窄 */
.container-x { width: 100%; max-width: 1180px; margin: 0 auto; }

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

/* ===== 微信遮罩 ===== */
.wx-mask {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, .72);
  text-align: right;
  padding: 16px 22px;
}
.wx-mask-arrow {
  font-size: 60px;
  color: var(--gold);
  line-height: 1;
  animation: bounce 1s infinite;
}
.wx-mask-tip {
  color: var(--cream);
  font-size: 17px;
  line-height: 1.6;
  margin-top: 8px;
}
@keyframes bounce {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(6px, -8px); }
}

/* ===== 导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(28, 19, 8, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 200, 61, .18);
}
.nav-logo, .logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 1px;
}
.nav-links { display: flex; gap: 18px; }
.nav-links a {
  font-size: 15px;
  color: var(--cream);
  opacity: .85;
}
.nav-links a:hover { color: var(--gold); opacity: 1; }

/* ===== 首屏 ===== */
.hero {
  position: relative;
  text-align: center;
  padding: 70px 20px 60px;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-image: url('../img/hero_bg.jpg');
  background-size: cover;
  background-position: center 20%;
  background-repeat: no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(0, 0, 0, .35), transparent 65%),
    linear-gradient(180deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .15) 45%, rgba(0, 0, 0, .55) 100%);
  z-index: 1;
}
.hero > * { position: relative; z-index: 2; }
.hero-badge {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid rgba(255, 200, 61, .85);
  border-radius: 999px;
  color: var(--gold);
  font-size: 13px;
  margin-bottom: 18px;
  background: rgba(0, 0, 0, .35);
  backdrop-filter: blur(4px);
}
.hero-title {
  font-size: 58px;
  font-weight: 900;
  background: linear-gradient(180deg, #fff3cf, var(--gold) 60%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 4px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .45);
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, .35));
}
.hero-sub {
  margin-top: 14px;
  font-size: 18px;
  color: var(--cream);
  text-shadow: 0 2px 12px rgba(0, 0, 0, .6);
}
.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-wx {
  margin: 40px auto 0;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(0, 0, 0, .45);
  border: 1px solid rgba(255, 200, 61, .35);
  border-radius: var(--radius);
  padding: 16px;
  text-align: left;
  backdrop-filter: blur(6px);
}
.hero-wx-title { font-size: 16px; color: var(--gold); font-weight: 700; }
.hero-wx-id { font-size: 15px; margin-top: 6px; color: var(--cream); }
.hero-wx-id b { color: var(--gold); }
.hero-wx-note { font-size: 12px; margin-top: 6px; color: var(--gold-soft); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  color: #2a1c06;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-ico {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
}
.btn-big .btn-ico { width: 26px; height: 26px; }
.btn-android {
  background: linear-gradient(180deg, var(--gold-soft), var(--gold));
  box-shadow: 0 8px 22px rgba(255, 200, 61, .35);
}
.btn-ios {
  background: linear-gradient(180deg, #fff, #e9e3d4);
  box-shadow: 0 8px 22px rgba(255, 255, 255, .15);
}
.btn-big { font-size: 19px; padding: 16px 40px; }

/* ===== 通用区块 ===== */
.section { padding: 56px 24px; width: 100%; max-width: 1080px; margin: 0 auto; }
.section-title {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 28px;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 12px auto 0;
  background: var(--gold);
  border-radius: 2px;
}
.section-title.light { color: var(--gold); }

.card {
  background: rgba(255, 200, 61, .06);
  border: 1px solid rgba(255, 200, 61, .2);
  border-radius: var(--radius);
  padding: 28px;
}
.about-text { font-size: 16px; line-height: 1.9; color: var(--cream); }
.stats {
  display: flex;
  justify-content: space-around;
  margin-top: 26px;
  flex-wrap: wrap;
  gap: 16px;
}
.stat { text-align: center; }
.stat b {
  display: block;
  font-size: 30px;
  color: var(--gold);
  font-weight: 900;
}
.stat span { font-size: 13px; color: var(--muted); }

/* ===== 游戏网格 ===== */
.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.game-card {
  background: rgba(255, 200, 61, .06);
  border: 1px solid rgba(255, 200, 61, .18);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.game-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .35);
}
.game-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #3a2a12, #5a3f17);
  object-fit: cover;
  display: block;
}
.game-thumb.g1 { background: linear-gradient(135deg, #ff7a59, #ffb347); }
.game-thumb.g2 { background: linear-gradient(135deg, #ff5d8f, #ffc83d); }
.game-thumb.g3 { background: linear-gradient(135deg, #7b5cff, #ff8a3d); }
.game-thumb.g4 { background: linear-gradient(135deg, #2dd4bf, #ffc83d); }
.game-card p { font-size: 15px; color: var(--cream); font-weight: 600; }

/* ===== 软件预览 ===== */
.preview {
  background:
    radial-gradient(100% 80% at 50% 0%, rgba(255, 200, 61, .1), transparent 60%);
}
.preview-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.preview-item {
  background: rgba(255, 200, 61, .06);
  border: 1px solid rgba(255, 200, 61, .2);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}
.preview-item img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
}
.preview-item p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
}

@media (max-width: 768px) {
  .preview-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 下载区 ===== */
.download {
  text-align: center;
  background:
    radial-gradient(100% 70% at 50% 100%, rgba(255, 200, 61, .14), transparent 60%);
}
.download-box { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.download-tip { font-size: 13px; color: var(--muted); margin-top: -4px; }

/* ===== 联系 ===== */
.contact-card {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.contact-info p { font-size: 16px; margin: 8px 0; color: var(--cream); }
.contact-info b { color: var(--gold); }

/* ===== 二维码占位 ===== */
.qr-box {
  width: 110px;
  height: 110px;
  border-radius: 12px;
  background: #fff;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 12px;
  text-align: center;
  border: 3px solid var(--gold);
}
.qr-box.big { width: 140px; height: 140px; font-size: 13px; }

/* ===== 招商合作 ===== */
.cooperation {
  background: radial-gradient(100% 70% at 50% 0%, rgba(255,200,61,.08), transparent 55%);
}
.coop-card { text-align: center; position: relative; overflow: hidden; }
.coop-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-soft), var(--gold), var(--gold-deep));
}
.coop-intro {
  font-size: 22px;
  line-height: 1.5;
  color: var(--cream);
  margin-bottom: 4px;
  font-weight: 800;
  letter-spacing: 2px;
}
.coop-sub {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 32px;
  color: #1c1308;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold) 60%, var(--gold-deep));
  box-shadow: 0 6px 24px rgba(255,200,61,.35);
}
.coop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 34px;
  margin-top: 30px;
}
/* 手机端一律单列，图标居上、文字横排 */
@media (max-width: 768px) {
  .coop-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 4px;
  }
  /* 手机端卡片：纵向布局，图标顶部居中 */
  .coop-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 26px 20px 24px;
    gap: 14px;
    background: linear-gradient(160deg, rgba(255,200,61,.14), rgba(255,200,61,.04));
    border-color: rgba(255,200,61,.35);
  }
  /* 隐藏左侧装饰线（手机端不需要） */
  .coop-item::before { display: none; }
  /* 手机端图标更大更醒目（提高优先级覆盖 base 规则） */
  .coop-item .coop-ico {
    width: 64px; height: 64px; min-width: 64px;
    font-size: 30px;
    background: linear-gradient(145deg, var(--gold), var(--gold-deep));
    border: none;
    box-shadow: 0 6px 20px rgba(255,200,61,.4), 0 0 28px rgba(255,200,61,.25);

  }
  /* 手机端标题字号适中 + 金色渐变 */
  .coop-item h3 {
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 1px;
    background: linear-gradient(180deg, var(--gold-soft), var(--gold) 70%, var(--gold-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .coop-cta { margin-top: 18px; }
  .coop-cta .btn {
    padding-left: 32px; padding-right: 32px;
    font-size: 15px;
  }
}
.coop-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(145deg, rgba(255,200,61,.1), rgba(255,200,61,.03));
  border: 1px solid rgba(255,200,61,.25);
  border-radius: var(--radius);
  padding: 20px 20px;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
  overflow: hidden;
}
/* 卡片左侧金色装饰线 */
.coop-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold-soft), var(--gold), var(--gold-deep));
  border-radius: 3px 0 0 3px;
}
.coop-item:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 12px 36px rgba(0,0,0,.35), 0 0 0 1px rgba(255,200,61,.15);
}
.coop-ico {
  width: 52px; height: 52px; min-width: 52px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255,200,61,.15), rgba(255,200,61,.05));
  border: 1.5px solid rgba(255,200,61,.3);
  box-shadow: 0 0 16px rgba(255,200,61,.12);
}
.coop-item h3 {
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 4px;
  font-weight: 800;
  line-height: 1.5;
}
.coop-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.coop-cta { margin-top: 6px; }
.coop-cta .btn { padding-left: 44px; padding-right: 44px; letter-spacing: 1px; }
.coop-tip {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
  opacity: .85;
}
.coop-tip b { color: var(--gold); }
@media (min-width: 768px) {
  .coop-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .coop-intro { font-size: 24px; }
  .coop-sub { font-size: 22px; }
}

/* ===== 导航高亮态 ===== */
.nav-links a.active { color: var(--gold); opacity: 1; }

/* ===== 招商合作详情页 zshz ===== */
.zshz-hero {
  position: relative;
  text-align: center;
  padding: 64px 20px 52px;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255, 200, 61, .12), transparent 60%),
    linear-gradient(180deg, rgba(0, 0, 0, .25), transparent);
  border-bottom: 1px solid rgba(255, 200, 61, .15);
}
.zshz-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../img/hero_bg.jpg');
  background-size: cover;
  background-position: center 20%;
  opacity: .16;
  z-index: 0;
}
.zshz-hero > * { position: relative; z-index: 1; }
.zshz-badge {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid rgba(255, 200, 61, .85);
  border-radius: 999px;
  color: var(--gold);
  font-size: 14px;
  margin-bottom: 16px;
  background: rgba(0, 0, 0, .35);
  backdrop-filter: blur(4px);
}
.zshz-title {
  font-size: 40px;
  font-weight: 900;
  background: linear-gradient(180deg, #fff3cf, var(--gold) 60%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 3px;
}
.zshz-sub {
  margin-top: 14px;
  font-size: 17px;
  color: var(--cream);
  text-shadow: 0 2px 12px rgba(0, 0, 0, .5);
}
.zshz-hero .btn { margin-top: 28px; }
.zshz-tip { margin-top: 16px; font-size: 14px; color: var(--muted); }
.zshz-tip b { color: var(--gold); }

/* 长文文档 */
.doc { max-width: 880px; margin: 0 auto; padding: 24px 20px 6px; }
.doc-block { margin-bottom: 42px; }
.doc-h {
  font-size: 24px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.doc-h::before {
  content: "";
  width: 6px;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
}
.doc-p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--cream);
  margin-bottom: 12px;
}
.doc-list { display: flex; flex-direction: column; gap: 14px; }
.doc-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(255, 200, 61, .05);
  border: 1px solid rgba(255, 200, 61, .18);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: transform .15s ease, border-color .15s ease;
}
.doc-item:hover { transform: translateY(-2px); border-color: var(--gold); }
.doc-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #1c1308;
  font-size: 15px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
}
.doc-item-body { flex: 1; }
.doc-item-body h4 { font-size: 16px; color: var(--gold); margin-bottom: 6px; font-weight: 800; }
.doc-item-body p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* 文档底部 CTA */
.doc-cta {
  text-align: center;
  padding: 8px 0 26px;
  background: radial-gradient(100% 70% at 50% 0%, rgba(255, 200, 61, .08), transparent 60%);
}
.doc-cta .btn { margin-bottom: 14px; }
.doc-cta p { font-size: 15px; color: var(--cream); line-height: 1.8; max-width: 640px; margin: 0 auto; }

@media (max-width: 768px) {
  .zshz-title { font-size: 30px; letter-spacing: 2px; }
  .zshz-sub { font-size: 15px; }
  .doc { padding: 18px 16px 4px; }
  .doc-h { font-size: 21px; }
  .doc-p { font-size: 15px; }
}

/* ===== 招商信息表单 zshz_form ===== */
.form-wrap { max-width: 560px; margin: 0 auto; padding: 26px 20px 40px; }
.form-card {
  background: rgba(255, 200, 61, .06);
  border: 1px solid rgba(255, 200, 61, .2);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.form-h { font-size: 24px; font-weight: 800; color: var(--gold); text-align: center; margin-bottom: 6px; }
.form-sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 24px; line-height: 1.7; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 14px; color: var(--cream); margin-bottom: 8px; }
.form-field label .req { color: #ff7b7b; margin-left: 4px; font-size: 12px; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  background: rgba(0, 0, 0, .25);
  color: var(--cream);
  border: 1px solid rgba(255, 200, 61, .25);
  border-radius: 10px;
  outline: none;
  font-family: inherit;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--gold); }
.form-field textarea { resize: vertical; min-height: 92px; }
.form-btn { width: 100%; justify-content: center; margin-top: 4px; }
.form-tip { margin-top: 14px; text-align: center; font-size: 13px; color: var(--muted); }
.form-tip b { color: var(--gold); }
.form-success { display: none; text-align: center; padding: 18px 4px 6px; }
.form-success.show { display: block; animation: fadein .3s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.form-success .ok-ico { font-size: 50px; }
.form-success h3 { color: var(--gold); font-size: 22px; margin: 12px 0 8px; }
.form-success p { color: var(--cream); font-size: 15px; line-height: 1.85; }
.form-success b { color: var(--gold); }
.form-back { display: inline-block; margin-top: 18px; color: var(--gold); font-size: 14px; text-decoration: none; }
.form-back:hover { opacity: .8; }
@media (max-width: 768px) {
  .form-card { padding: 22px 18px; }
  .form-h { font-size: 21px; }
}

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  padding: 30px 20px 40px;
  border-top: 1px solid rgba(255, 200, 61, .15);
  font-size: 13px;
  color: var(--muted);
}
.footer .beian a, .footer .beian { color: #6fb6ff; text-decoration: underline; }
.footer .copyright { margin-top: 10px; color: var(--muted); }

/* ===== 桌面端优化 ===== */
@media (min-width: 768px) {
  .hero-title { font-size: 72px; }
  .games-grid { grid-template-columns: repeat(4, 1fr); }
  .nav-links { gap: 28px; }
}
/* 大屏进一步拓宽，内容更舒展 */
@media (min-width: 1200px) {
  .section { max-width: 1180px; }
  .hero-title { font-size: 82px; }
  .preview-row { gap: 20px; }
  .games-grid { gap: 20px; }
}

/* ===== 移动端适配 ===== */
html, body { overflow-x: hidden; }
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
  }
  .nav-links a { font-size: 13px; opacity: .9; }
  .hero { padding: 54px 18px 48px; min-height: auto; }
  .hero-title { font-size: 46px; letter-spacing: 2px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 38px 18px; }
  .section-title { font-size: 24px; }
  .about-text, .detail-desc { font-size: 15px; }
  .games-grid { gap: 12px; }
  .game-card p { font-size: 14px; }
  .hero-wx { max-width: 100%; }
  .coop-intro { font-size: 20px; letter-spacing: 1px; }
  .coop-sub { font-size: 18px; letter-spacing: 1px; padding: 10px 22px; }
}
/* 小屏手机：收窄标题字距，避免横向溢出 */
@media (max-width: 380px) {
  .hero-title { font-size: 40px; letter-spacing: 1px; }
  .zshz-title { font-size: 26px; letter-spacing: 1px; }
  .coop-sub { font-size: 16px; letter-spacing: 0; padding: 9px 18px; }
  .nav-links a { font-size: 12px; }
}