* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: #1A1B1E; scroll-behavior: smooth; }
body {
  background: #1A1B1E; color: #f4f4f5;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  min-width: 1200px; font-size: 14px; line-height: 1.5;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }
.container { width: 1200px; margin: 0 auto; }

/* 头部 */
.header { background: #000; position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; align-items: center; height: 70px; }
.header .logo { width: 140px; height: 40px; object-fit: contain; }
.header .nav { display: flex; gap: 30px; margin-left: 40px; }
.header .nav a { color: #c0c0c0; font-size: 16px; line-height: 36px; transition: color .2s; }
.header .nav a:hover, .header .nav a.active { color: #fff; }
.header .nav a.active { position: relative; }
.header .nav a.active::after {
  content: ''; position: absolute; left: 50%; bottom: -2px;
  width: 16px; height: 2px; background: #fc7203; border-radius: 1px; transform: translateX(-50%);
}
.header .login {
  margin-left: auto; height: 36px; padding: 0 20px; border-radius: 8px;
  border: 1px solid #444e51; background: rgba(0,0,0,.4); color: #fff;
  font-size: 14px; display: flex; align-items: center; cursor: pointer;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 36px; border-radius: 26px; font-size: 18px;
  font-weight: 600; cursor: pointer; transition: opacity .2s, transform .2s; border: none;
}
.btn:hover { opacity: .9; transform: translateY(-2px); }
.btn-primary { background: #fc7203; color: #fff; }
.btn-outline { background: transparent; color: #fff; border: 1px solid #444e51; }
.btn svg { width: 22px; height: 22px; flex-shrink: 0; }

/* 下载区 */
.download { padding: 60px 0; background: #111; margin-top: 64px; }
.download-inner { display: flex; align-items: center; justify-content: center; gap: 80px; }
.download-qr { text-align: center; }
.download-qr img { width: 160px; height: 160px; border-radius: 12px; background: #fff; padding: 8px; }
.download-qr p { margin-top: 12px; font-size: 14px; color: #b0b1b3; }
.download-info h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.download-info p { font-size: 16px; color: #b0b1b3; margin-bottom: 28px; }
.download-btns { display: flex; gap: 16px; }
.download-btns .btn { height: 56px; padding: 0 32px; font-size: 17px; }

/* 底部 */
.footer { background: #000; padding: 40px 0 30px; text-align: center; }
.footer .logo { width: 112px; height: 40px; object-fit: contain; margin: 0 auto 20px; }
.footer .slogan { font-size: 16px; font-weight: 700; color: #f1f1f1; margin-bottom: 24px; }
.footer .links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px 40px; margin-bottom: 24px; }
.footer .links a { font-size: 15px; color: #fff; transition: color .2s; }
.footer .links a:hover { color: #d2cab5; }
.footer .copyright {
  font-size: 14px; color: #999; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.footer .copyright a { color: #999; }
.footer .copyright a:hover { color: #fff; }

/* 内容页通用 */
.page { padding: 40px 0 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 16px; margin-bottom: 30px; color: #b0b1b3; }
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { color: #fc7203; }
.page-title { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 24px; }
.content-card { background: #27282d; border: 1px solid #35363c; border-radius: 10px; padding: 32px 36px; }
.rich { color: #b0b1b3; font-size: 16px; line-height: 1.9; word-break: break-word; }
.rich h2 { color: #fff; font-size: 20px; font-weight: 700; margin: 24px 0 12px; }
.rich h2:first-child { margin-top: 0; }
.rich h3 { color: #fff; font-size: 17px; font-weight: 700; margin: 20px 0 10px; }
.rich p { margin: 10px 0; }
.rich ul { padding-left: 20px; margin: 10px 0; }
.rich li { margin: 6px 0; }
.rich strong { color: #f1f1f1; }

/* 卡片列表（首页 / 分类共用） */
.card-list { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px 26px; }
.card { display: block; cursor: pointer; }
.card-cover {
  position: relative; width: 100%; aspect-ratio: 157/272;
  border-radius: 4px; overflow: hidden; background: #232430;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card:hover .card-cover img { transform: scale(1.08); }
.card-title {
  margin-top: 6px; font-size: 15px; color: #f1f1f1;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-heat { font-size: 13px; color: #999; margin-top: 2px; }
/* ============ Hero（首页专用） ============ */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, #000 0%, #1A1B1E 100%);
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.hero h1 span { color: #fc7203; }
.hero p {
  font-size: 18px;
  color: #b0b1b3;
  margin-bottom: 40px;
}
.hero .btns {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* ============ 版块锚点（首页专用） ============ */
.section-block {
  scroll-margin-top: 90px;
  padding-top: 48px;
}
.section-block:first-of-type { padding-top: 32px; }

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.block-head h2 {
  font-size: 28px;
  font-weight: 600;
  color: #f1f1f1;
  padding-left: 12px;
  border-left: 4px solid #fc7203;
  line-height: 32px;
}
.block-head a { font-size: 15px; color: #c0c0c0; }
.block-head a:hover { color: #fff; }