:root{
  --bg:#ffffff;
  --bg-2:#f6f7fb;
  --bg-3:#eef0f7;
  --line:#e4e6ef;
  --text:#0d0f1a;
  --sub:#6b7080;
  --violet:#7b5cff;
  --pink:#ff5ea8;
  --blue:#3b82f6;
  --cyan:#22d3ee;
  --radius:16px;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:14px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
ul,ol{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.topbar{
  background:#0d0f1a;color:#b8bccc;font-size:12px;
  border-bottom:2px solid var(--violet);
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#b8bccc}
.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:16px;align-items:center}
.topbar .tb-left em{
  font-style:normal;font-weight:700;
  background:linear-gradient(90deg,var(--violet),var(--pink),var(--blue));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.topbar .tb-notice b{color:#fff}
.topbar .tb-right{display:flex;gap:16px}

.site-head{background:#fff;border-bottom:1px solid var(--line)}
.head-inner{
  display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  padding:22px 24px;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--violet),var(--pink),var(--blue));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:800;
  box-shadow:0 10px 24px rgba(123,92,255,.3);
}
.logo-txt b{display:block;font-size:22px;font-weight:800;letter-spacing:2px;color:var(--text)}
.logo-txt span{display:block;font-size:11px;color:var(--sub);letter-spacing:4px;margin-top:2px}

.head-search{
  display:flex;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  max-width:480px;background:var(--bg-2);
  transition:box-shadow .3s;
}
.head-search:focus-within{
  box-shadow:0 0 0 3px rgba(123,92,255,.18);
  border-color:var(--violet);
}
.head-search input{
  flex:1;height:44px;border:none;background:transparent;padding:0 20px;
  font-size:14px;outline:none;color:var(--text);
}
.head-search input::placeholder{color:var(--sub)}
.head-search button{
  width:88px;border:none;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  border-radius:22px;margin:3px;
  transition:filter .3s;
}
.head-search button:hover{filter:brightness(1.05)}

.head-hot{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--sub)}
.head-hot a{
  color:var(--violet);font-weight:600;
}
.head-hot a:hover{color:var(--pink)}

.site-nav{background:#fff;border-top:1px solid var(--line)}
.site-nav .wrap{display:flex;align-items:center;height:52px;position:relative}
.site-nav a{
  color:var(--text);font-size:15px;font-weight:600;padding:0 24px;height:52px;
  display:inline-flex;align-items:center;
  transition:color .3s;position:relative;
}
.site-nav a:hover{color:var(--violet)}
.site-nav a:hover::after{
  content:"";position:absolute;left:24px;right:24px;bottom:12px;height:2px;
  background:linear-gradient(90deg,var(--violet),var(--pink));
  border-radius:2px;
}
.menu-toggle{display:none}

.hero{
  background:
    radial-gradient(circle at 15% 20%,rgba(123,92,255,.10),transparent 40%),
    radial-gradient(circle at 85% 80%,rgba(255,94,168,.10),transparent 45%),
    radial-gradient(circle at 50% 50%,rgba(59,130,246,.08),transparent 60%),
    #fff;
  padding:60px 0;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.hero-left .kicker{
  display:inline-block;font-size:12px;letter-spacing:4px;font-weight:700;
  color:var(--violet);
  border-bottom:2px solid transparent;
  background:linear-gradient(90deg,var(--violet),var(--pink)) left bottom / 60px 2px no-repeat;
  padding-bottom:8px;margin-bottom:22px;
}
.hero-left h1{
  font-size:48px;line-height:1.25;font-weight:800;letter-spacing:1px;
  color:var(--text);
}
.hero-left h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--violet),var(--pink),var(--blue));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-left p{
  font-size:15px;line-height:2;color:var(--sub);margin-top:22px;max-width:32em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  padding:6px 16px;font-size:12.5px;font-weight:600;
  color:var(--violet);
  background:rgba(123,92,255,.08);
  border:1px solid rgba(123,92,255,.22);
  border-radius:20px;
  transition:all .3s;
}
.hero-tags span:hover{
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;border-color:transparent;transform:translateY(-2px);
}
.hero-stats{display:flex;gap:40px;margin-top:30px}
.hero-stats .st b{
  display:block;font-size:28px;font-weight:800;line-height:1.2;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-stats .st span{font-size:12px;color:var(--sub);letter-spacing:1px}

.hero-card{
  display:block;position:relative;overflow:hidden;border-radius:20px;
  aspect-ratio:4/3;background:var(--bg-2);
  box-shadow:0 30px 70px rgba(123,92,255,.22);
  transform:perspective(1200px) rotateX(2deg) rotateY(-3deg);
  transition:transform .6s ease;
}
.hero-card:hover{transform:perspective(1200px) rotateX(0) rotateY(0)}
.hero-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .8s;
}
.hero-card:hover img{transform:scale(1.05)}
.hero-card .cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  background:linear-gradient(transparent,rgba(13,15,26,.92));
  color:#fff;padding:60px 26px 26px;
}
.hero-card .cap .tag{
  display:inline-block;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;font-size:11px;font-weight:800;
  padding:4px 12px;border-radius:4px;margin-bottom:12px;letter-spacing:1px;
}
.hero-card .cap h3{font-size:20px;line-height:1.5;font-weight:800}
.hero-card .cap p{font-size:13px;opacity:.82;margin-top:10px;line-height:1.7}

.bento{
  background:var(--bg-2);
  padding:60px 0;
  border-bottom:1px solid var(--line);
}
.sec-title{
  display:flex;align-items:baseline;gap:14px;
  padding-bottom:16px;margin-bottom:28px;
  border-bottom:2px solid var(--line);
}
.sec-title h2{
  font-size:24px;font-weight:800;color:var(--text);letter-spacing:1px;
}
.sec-title span{
  font-size:12px;color:var(--sub);letter-spacing:4px;font-weight:600;
}

.bento-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:minmax(220px,auto);
  gap:20px;
}
.bento-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  transition:all .4s ease;
  position:relative;
  overflow:hidden;
  display:flex;flex-direction:column;
}
.bento-card::before{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--radius);
  padding:1px;
  background:linear-gradient(135deg,var(--violet),var(--pink),var(--blue));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
          mask-composite:exclude;
  opacity:0;transition:opacity .4s;
  pointer-events:none;
}
.bento-card:hover::before{opacity:1}
.bento-card:hover{
  transform:translateY(-6px);
  box-shadow:0 24px 50px rgba(123,92,255,.15);
}
.bento-card h3{
  font-size:18px;font-weight:800;color:var(--text);
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px dashed var(--line);
  position:relative;
}
.bento-card h3::after{
  content:"";position:absolute;left:0;bottom:-1px;width:32px;height:2px;
  background:linear-gradient(90deg,var(--violet),var(--pink));
}
.bento-card p{
  font-size:13px;color:var(--sub);line-height:1.9;
  margin-bottom:14px;flex:1;
}
.bento-link{
  display:flex;gap:12px;align-items:center;
  padding:10px 0;border-top:1px dashed var(--line);
}
.bento-link img{
  width:72px;height:52px;border-radius:8px;object-fit:cover;flex-shrink:0;
}
.bento-link span{
  font-size:13px;line-height:1.6;color:var(--text);font-weight:500;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bento-link:hover span{color:var(--violet)}

.bc-2x2{grid-column:span 2;grid-row:span 2}
.bc-2x1{grid-column:span 2}

.main-cols{
  display:grid;grid-template-columns:1fr 340px;gap:30px;
  padding:50px 0;align-items:start;
}
.bbs-sec{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin-bottom:24px;
  transition:box-shadow .4s;
}
.bbs-sec:hover{box-shadow:0 16px 40px rgba(123,92,255,.08)}
.thread-list{display:flex;flex-direction:column}
.thread-item{
  display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);
  transition:transform .3s;
}
.thread-item:last-child{border-bottom:none}
.thread-item:hover{transform:translateX(4px)}
.thread-item .thumb{
  width:160px;height:106px;flex-shrink:0;border-radius:10px;overflow:hidden;
  background:var(--bg-2);display:block;
}
.thread-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.thread-item:hover .thumb img{transform:scale(1.06)}
.thread-item .txt{flex:1;min-width:0}
.thread-item .txt h4{
  font-size:15.5px;line-height:1.6;font-weight:700;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.thread-item:hover .txt h4{color:var(--violet)}
.thread-item .txt p{
  font-size:13px;color:var(--sub);line-height:1.8;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.thread-item .txt .m{font-size:12px;color:var(--sub);margin-top:8px}

.main-right{display:flex;flex-direction:column;gap:22px}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .3s;
}
.side-box:hover{box-shadow:0 16px 40px rgba(123,92,255,.08)}
.side-head{
  padding:16px 20px;
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,var(--violet),var(--pink),var(--blue)) 1;
  background:var(--bg-2);
}
.side-head h3{
  font-size:15px;font-weight:800;color:var(--text);letter-spacing:1px;
}
.bbs-stats{padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bbs-stats .item{
  text-align:center;padding:14px 8px;
  background:var(--bg-2);border-radius:10px;
  transition:all .3s;
}
.bbs-stats .item:hover{
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;
}
.bbs-stats .item b{
  display:block;font-size:22px;font-weight:800;line-height:1.2;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.bbs-stats .item:hover b{
  background:#fff;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.bbs-stats .item span{font-size:11.5px;color:var(--sub)}
.bbs-stats .item:hover span{color:rgba(255,255,255,.85)}

.rank-list{padding:10px 20px 18px}
.rank-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:none}
.rank-list li .no{
  flex-shrink:0;width:22px;height:22px;line-height:22px;text-align:center;
  background:var(--bg-2);color:var(--sub);font-size:11px;font-weight:800;
  border-radius:6px;
}
.rank-list li:nth-child(1) .no{background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff}
.rank-list li:nth-child(2) .no{background:linear-gradient(135deg,var(--pink),var(--blue));color:#fff}
.rank-list li:nth-child(3) .no{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff}
.rank-list li a{
  font-size:13.5px;line-height:1.6;color:var(--text);font-weight:500;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-list li a:hover{color:var(--violet)}

.pic-list{padding:10px 20px 18px}
.pic-list a{
  display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);
}
.pic-list a:last-child{border-bottom:none}
.pic-list a .thumb{
  width:92px;height:66px;flex-shrink:0;border-radius:10px;overflow:hidden;background:var(--bg-2);
}
.pic-list a .thumb img{width:100%;height:100%;object-fit:cover}
.pic-list a .txt{flex:1;min-width:0}
.pic-list a .txt h4{
  font-size:13px;line-height:1.6;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pic-list a .txt .m{font-size:11.5px;color:var(--sub);margin-top:6px}

.tag-list{padding:14px 20px 20px;display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{
  display:inline-block;padding:6px 14px;
  background:var(--bg-2);border:1px solid var(--line);
  font-size:12.5px;color:var(--sub);border-radius:16px;
  transition:all .3s;
}
.tag-list a:hover{
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;border-color:transparent;transform:translateY(-2px);
}

.site-foot{
  background:#0d0f1a;color:#b8bccc;margin-top:60px;
  padding:50px 0 0;
  border-top:3px solid transparent;
  border-image:linear-gradient(90deg,var(--violet),var(--pink),var(--blue)) 1;
}
.foot-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand b{
  display:block;color:#fff;font-size:20px;letter-spacing:2px;margin-bottom:14px;
}
.foot-brand p{font-size:12.5px;line-height:2;color:#b8bccc;max-width:32em}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
.foot-col ul li{font-size:12.5px;line-height:2.2;color:#b8bccc}
.foot-bottom{
  margin-top:36px;border-top:1px solid #1f2233;padding:20px 0;
  font-size:12px;color:#6b7080;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.foot-bottom .fb-right{
  background:linear-gradient(90deg,var(--violet),var(--pink),var(--blue));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-weight:600;
}

.crumb{font-size:12.5px;color:var(--sub);padding:18px 0}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.list-grid .li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  display:block;overflow:hidden;transition:all .4s ease;
}
.list-grid .li:hover{
  border-color:transparent;
  box-shadow:0 24px 50px rgba(123,92,255,.15);
  transform:translateY(-6px);
}
.list-grid .li .thumb{width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.list-grid .li .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.list-grid .li:hover .thumb img{transform:scale(1.06)}
.list-grid .li .body{padding:18px 20px 20px}
.list-grid .li .cat{
  font-size:12px;font-weight:600;
  background:linear-gradient(90deg,var(--violet),var(--pink));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:8px;display:inline-block;
}
.list-grid .li h3{font-size:16px;line-height:1.6;font-weight:700;min-height:52px;color:var(--text)}
.list-grid .li:hover h3{color:var(--violet)}
.list-grid .li p{
  font-size:13px;color:var(--sub);margin-top:10px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-grid .li .m{
  font-size:12px;color:var(--sub);margin-top:12px;
  display:flex;justify-content:space-between;
}
.pager{display:flex;justify-content:center;gap:10px;padding:44px 0}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--sub);border-radius:12px;
  transition:all .3s;
}
.pager a:hover{
  border-color:transparent;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  color:#fff;transform:translateY(-2px);
}

.article-wrap{max-width:900px;margin:0 auto;padding:36px 24px}
.article-box{
  background:#fff;padding:46px 56px 52px;border-radius:var(--radius);
  border:1px solid var(--line);
  position:relative;overflow:hidden;
}
.article-box::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--violet),var(--pink),var(--blue));
}
.article-box h1{font-size:28px;line-height:1.5;font-weight:800;color:var(--text);letter-spacing:.5px}
.article-meta{
  font-size:12.5px;color:var(--sub);margin-top:18px;
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.article-meta span{margin-right:24px}
.article-body{font-size:16px;line-height:2.1;color:#2a2c38;margin-top:30px}
.article-body p{margin-bottom:24px}
.article-body h2{
  font-size:20px;margin:40px 0 20px;font-weight:800;color:var(--text);
  padding-left:16px;
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,var(--violet),var(--pink)) 1;
}
.article-body h3{font-size:17px;margin:30px 0 14px;font-weight:700;color:var(--text)}
.article-body img{margin:24px 0;border-radius:12px}
.article-body blockquote{
  background:var(--bg-2);
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,var(--violet),var(--pink)) 1;
  padding:18px 24px;margin:26px 0;color:var(--violet);font-size:15px;
  border-radius:0 12px 12px 0;
}
.article-nav{
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--sub);
}
.article-nav a:hover{color:var(--violet)}

.article-reco{
  margin-top:30px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
}
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.reco-item{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:all .4s;background:var(--bg-2);
}
.reco-item:hover{
  border-color:transparent;transform:translateY(-4px);
  box-shadow:0 16px 36px rgba(123,92,255,.16);
}
.reco-item .thumb{width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.reco-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.reco-item:hover .thumb img{transform:scale(1.06)}
.reco-item .txt{padding:12px 14px}
.reco-item .txt h4{
  font-size:13.5px;line-height:1.6;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.reco-item:hover .txt h4{color:var(--violet)}
.reco-item .txt .m{font-size:11.5px;color:var(--sub);margin-top:6px}

@media(max-width:1240px){
  .bento-grid{grid-template-columns:repeat(3,1fr)}
  .main-cols{grid-template-columns:1fr 300px}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .article-box{padding:36px 36px 42px}
}
@media(max-width:1024px){
  .head-hot{display:none}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-left h1{font-size:36px}
  .bento-grid{grid-template-columns:repeat(2,1fr)}
  .main-cols{grid-template-columns:1fr}
  .reco-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .topbar{display:none}
  .head-inner{grid-template-columns:1fr;gap:14px;padding:16px 20px}
  .logo-mark{width:46px;height:46px;font-size:22px}
  .logo-txt b{font-size:19px;letter-spacing:1px}
  .head-search{max-width:100%}
  .site-nav .wrap{height:auto;flex-direction:column;align-items:stretch;display:none}
  .site-nav .wrap.open{display:flex}
  .site-nav a{padding:14px 20px;height:auto;border-bottom:1px solid var(--line);font-size:14px}
  .site-nav a:hover::after{display:none}
  .menu-toggle{
    display:block;position:absolute;right:16px;top:8px;
    width:38px;height:38px;
    background:linear-gradient(135deg,var(--violet),var(--pink));
    border:none;cursor:pointer;border-radius:10px;
  }
  .menu-toggle span{position:absolute;left:10px;right:10px;height:2px;background:#fff}
  .menu-toggle span:nth-child(1){top:12px}
  .menu-toggle span:nth-child(2){top:18px}
  .menu-toggle span:nth-child(3){top:24px}

  .hero{padding:34px 0}
  .hero-left h1{font-size:28px}
  .hero-left p{font-size:13px;margin-top:14px}
  .hero-stats{gap:22px;margin-top:20px}
  .hero-stats .st b{font-size:20px}
  .hero-card{transform:none}
  .hero-card .cap h3{font-size:16px}

  .bento{padding:34px 0}
  .bento-grid{grid-template-columns:1fr;grid-auto-rows:auto}
  .bc-2x2,.bc-2x1{grid-column:span 1;grid-row:span 1}
  .bento-card{padding:18px}
  .bento-card p{margin-bottom:10px}

  .thread-item .thumb{width:120px;height:80px}
  .thread-item .txt h4{font-size:14px}
  .list-grid{grid-template-columns:1fr}
  .reco-grid{grid-template-columns:1fr}
  .article-wrap{padding:16px}
  .article-box{padding:24px 18px 28px}
  .article-box h1{font-size:20px}
  .article-body{font-size:15px}
  .foot-cols{grid-template-columns:1fr;gap:22px}
  .site-foot{padding:32px 0 0}
  .foot-bottom{flex-direction:column;text-align:center}
}