/* Keep the original desktop geometry; allow the static page to scroll normally. */
body { overflow: visible; }
html { scroll-padding-top: 72px; scroll-behavior: smooth; }
.list_box .biankuang, .ser_box .biankuang { transition: width .3s, height .3s; }
.list_box:hover .biankuang_1, .list_box:hover .biankuang_3 { height: 150px; }
.list_box:hover .biankuang_2, .list_box:hover .biankuang_4 { width: 590px; }
.ser_box:hover .biankuangs_1, .ser_box:hover .biankuangs_3 { height: 392px; }
.ser_box:hover .biankuangs_2, .ser_box:hover .biankuangs_4 { width: 227px; }
.ban_jump { bottom: 10px; animation: home-jump 1.2s ease-in-out infinite alternate; }
@keyframes home-jump { to { bottom: 30px; opacity: .4; } }
a:focus-visible, input:focus-visible, [role="button"]:focus-visible { outline: 2px solid #ff7426; outline-offset: 4px; }
.nav a.j_color, .nav a.j_color.h_color { color: #ff7426; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Company profile uses the verified information from zhanjuzhe.cn. */
#about { height: auto; padding-bottom: 60px; }
#about .intro_top { height: auto; }
#about .intro_line { float: none; margin-top: 0; }
#about .intro_top_r { width: auto; height: auto; padding: 24px 44px 36px; }
footer { background: #1c1c1c; }
.ft_di { height: auto; min-height: 77px; margin-top: 0; }
.ft_di .w1125 { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px 36px; padding: 24px 0; }
.ft_di span { width: auto; height: auto; line-height: 28px; margin-right: 0; }

/* Local text wordmark replaces the former company logo image. */
.logo { width: 160px; height: 60px; box-sizing: border-box; line-height: normal; }
.brand-name { display: block; color: #1686bd; font-size: 26px; font-weight: 700; letter-spacing: 2px; line-height: 30px; }
.brand-caption { display: block; color: #1686bd; font-size: 9px; letter-spacing: .5px; line-height: 14px; }

/* Center the navigation independently of the left-aligned wordmark. */
.header_nav { position: relative; height: 72px; }
.header_nav .nav_box { float: none; position: absolute; top: 0; left: 50%; width: max-content; height: 72px; transform: translateX(-50%); }