/* ============================================================
   SKV5 · 蓝图设计系统
   ============================================================ */
:root{
  --bg:#061320;
  --bg-deep:#040d17;
  --panel:rgba(8,26,44,.42);
  --grid:rgba(96,172,255,.05);
  --grid2:rgba(96,172,255,.10);
  --line:rgba(140,205,255,.30);
  --line-soft:rgba(140,205,255,.13);
  --cyan:#6fdcff;
  --ink:#d8e8f8;
  --dim:#7e9ab6;
  --red:#ff6a4d;
  --amber:#ffc46b;
  --mono:"JetBrains Mono","Cascadia Code",Consolas,"PingFang SC","Microsoft YaHei",monospace;
  --song:"FangSong","仿宋","STFangsong","Songti SC",SimSun,serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-y:scroll}
body{
  background:var(--bg);color:var(--ink);font-family:var(--mono);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.7;
}
a{color:inherit}
::selection{background:rgba(111,220,255,.25);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* 图纸底 */
.paper{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px),
    linear-gradient(var(--grid2) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid2) 1px,transparent 1px);
  background-size:24px 24px,24px 24px,120px 120px,120px 120px;
}
.paper::after{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 75% 65% at 50% 38%,transparent 25%,rgba(4,12,22,.75) 100%)}

/* 顶栏 */
.topbar{position:fixed;top:0;left:0;right:0;z-index:80;display:flex;justify-content:space-between;align-items:center;
  gap:20px;padding:10px 26px 10px 56px;font-size:11px;letter-spacing:1.5px;color:var(--dim);
  background:linear-gradient(rgba(6,19,32,.94),rgba(6,19,32,.55));
  border-bottom:1px solid var(--line-soft);backdrop-filter:blur(8px)}
.topbar b{color:var(--cyan);font-weight:400}
.topbar .tb-r{display:flex;gap:20px;flex:1 1 0;justify-content:flex-end;white-space:nowrap}
.topbar .tb-r span::before{content:"· ";color:var(--red)}
.topbar .tb-nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;gap:18px;white-space:nowrap}
.topbar .tb-nav a{color:var(--dim);text-decoration:none;transition:.2s}
.topbar .tb-nav a:hover,.topbar .tb-nav a.on{color:var(--cyan)}

/* 左侧标尺 */
.ruler{position:fixed;left:0;top:0;bottom:0;width:38px;z-index:5;pointer-events:none;
  border-right:1px solid var(--line-soft);
  background:
    repeating-linear-gradient(to bottom,var(--line-soft) 0 1px,transparent 1px 24px) top left/10px 100% no-repeat,
    repeating-linear-gradient(to bottom,rgba(140,205,255,.42) 0 1px,transparent 1px 120px) top left/6px 100% no-repeat;
  opacity:.8}

/* 容器 */
.wrap{max-width:1280px;margin:0 auto;padding:0 32px 0 76px;position:relative;z-index:10}

/* 首屏 */
.hero{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;
  min-height:100vh;padding:104px 0 54px}
.kicker{font-size:11px;letter-spacing:3px;color:var(--cyan);margin-bottom:24px}
.kicker span{color:var(--line)}
h1{font-family:var(--song);font-size:clamp(54px,7.6vw,96px);line-height:1;font-weight:400;
  letter-spacing:.05em;color:#eff9ff;text-shadow:0 0 44px rgba(111,220,255,.18)}
h1 .stamp{display:inline-block;margin-left:16px;padding:5px 10px;border:2px solid var(--red);color:var(--red);
  font-family:var(--mono);font-size:13px;letter-spacing:3px;transform:rotate(-3deg) translateY(-12px);
  vertical-align:super;opacity:.92}
.role{margin-top:18px;font-size:12px;letter-spacing:5px;color:var(--dim)}
.role b{color:var(--ink);font-weight:400}
.lede{margin-top:26px;max-width:520px;font-size:15px;line-height:2.05;color:#b7cbe0}
.lede .hl{color:var(--cyan)}
.lede .num{color:var(--amber)}
.actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:13px 26px;font-size:13px;
  letter-spacing:2px;text-decoration:none;color:var(--ink);border:1px solid var(--line);
  background:rgba(111,220,255,.03);transition:.25s}
.btn:hover{background:rgba(111,220,255,.12);border-color:var(--cyan);color:#fff;box-shadow:0 0 26px rgba(111,220,255,.16)}
.btn.primary{border-color:var(--cyan);color:var(--cyan)}
.btn.primary::after{content:"";position:absolute;inset:3px;border:1px solid rgba(111,220,255,.18);pointer-events:none}

/* 模型视口 */
.viewport{position:relative;border:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;
  height:min(640px,72vh);min-height:460px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.viewport::before,.viewport::after{content:"";position:absolute;width:12px;height:12px;border:1px solid var(--cyan);opacity:.7;z-index:3}
.viewport::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.viewport::after{right:-1px;bottom:-1px;border-left:0;border-top:0}
.vp-bar{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line-soft);
  font-size:10px;letter-spacing:1.5px;color:var(--dim);background:rgba(10,30,50,.5);flex-wrap:wrap}
.vp-bar b{color:var(--cyan);font-weight:400}
.vp-bar .tag{border:1px solid var(--line-soft);padding:1px 6px;font-size:9px;color:var(--dim)}
.vp-actions{margin-left:auto;display:flex;gap:6px}
.vp-actions button{font:inherit;font-size:9.5px;letter-spacing:1px;color:var(--dim);cursor:pointer;
  background:rgba(111,220,255,.05);border:1px solid var(--line-soft);padding:4px 8px;transition:.2s}
.vp-actions button:hover{color:var(--cyan);border-color:var(--cyan)}
.vp-actions button[aria-pressed="true"]{color:var(--cyan);border-color:rgba(111,220,255,.5)}
.viewport canvas{flex:1;width:100%;display:block;cursor:grab}
.viewport canvas:active{cursor:grabbing}
.vp-foot{display:flex;justify-content:space-between;gap:12px;padding:7px 12px;border-top:1px solid var(--line-soft);
  font-size:9px;letter-spacing:1.5px;color:rgba(126,154,182,.75);background:rgba(10,30,50,.35)}

/* 章节 */
.block{padding-top:104px}
.sheet-head{display:flex;align-items:flex-end;gap:18px;border-bottom:1px solid var(--line);
  padding-bottom:14px;margin-bottom:38px}
.sheet-head .no{font-size:42px;line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(111,220,255,.42);letter-spacing:2px}
.sheet-head h2{font-size:22px;font-weight:400;letter-spacing:4px}
.sheet-head .meta{margin-left:auto;font-size:10px;letter-spacing:2px;color:var(--dim);padding-bottom:4px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{position:relative;display:block;padding:26px 26px 18px;border:1px solid var(--line-soft);
  background:rgba(10,30,50,.32);text-decoration:none;color:inherit;transition:.3s;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(111,220,255,.08),transparent 45%);
  opacity:0;transition:.3s}
.card:hover{border-color:rgba(111,220,255,.5);transform:translateY(-4px)}
.card:hover::before{opacity:1}
.card .cno{font-size:10px;letter-spacing:2px;color:var(--red)}
.card h3{font-size:19px;font-weight:400;letter-spacing:1px;margin:12px 0 10px}
.card p{font-size:13px;line-height:1.9;color:var(--dim)}
.card .cfoot{margin-top:18px;padding-top:12px;border-top:1px dashed var(--line-soft);
  display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.5px;color:var(--dim)}
.card:hover .cfoot{color:var(--cyan)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-soft);margin-top:22px}
.stat{padding:20px 22px;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:30px;font-weight:400;color:var(--cyan);letter-spacing:1px}
.stat span{font-size:11px;letter-spacing:1px;color:var(--dim)}

/* 手记列表 */
.posts{border-top:1px solid var(--line-soft)}
.post{display:grid;grid-template-columns:118px 1fr auto;gap:20px;align-items:baseline;padding:19px 4px;
  border-bottom:1px solid var(--line-soft);text-decoration:none;color:inherit;transition:.25s}
.post:hover{padding-left:14px;background:rgba(111,220,255,.035)}
.post .d{font-size:11px;color:var(--dim);letter-spacing:1px}
.post .t{font-size:15.5px}
.post:hover .t{color:var(--cyan)}
.post .g{font-size:10px;color:var(--red);border:1px solid rgba(255,106,77,.38);padding:2px 8px;letter-spacing:2px}

/* 页脚 */
.foot{margin-top:110px;padding:22px 0 46px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:10px;letter-spacing:1.5px;color:var(--dim)}
.foot .sig{font-family:var(--song);font-size:24px;letter-spacing:4px;color:#cfe6f7;display:block;margin-bottom:8px}
.foot a{color:var(--dim);text-decoration:none}
.foot a:hover{color:var(--cyan)}

/* ---------- 内页通用 ---------- */
.page-head{padding:132px 0 0}
.page-head .kicker{font-size:11px;letter-spacing:3px;color:var(--cyan);margin-bottom:18px}
.page-head h1{font-family:var(--song);font-size:clamp(44px,6vw,76px);letter-spacing:.06em;line-height:1.05}
.page-head .sub{margin-top:16px;font-size:14px;color:var(--dim);max-width:620px;line-height:1.9}
.page-head .rule{width:64px;height:2px;background:var(--red);margin-top:22px;opacity:.8}

/* ---------- 作品 ---------- */
.work-sheet{position:relative;display:grid;grid-template-columns:150px 1fr;gap:26px;
  border:1px solid var(--line);background:var(--panel);padding:30px 30px 24px;margin-bottom:20px;transition:.3s}
.work-sheet:hover{border-color:rgba(111,220,255,.45)}
.work-sheet .idx{font-size:44px;line-height:1;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(111,220,255,.45);letter-spacing:2px}
.work-sheet .idx small{display:block;margin-top:10px;font-size:10px;letter-spacing:2px;color:var(--red);-webkit-text-stroke:0;color:var(--red)}
.work-sheet h2{font-size:24px;font-weight:400;letter-spacing:2px;margin-bottom:10px}
.work-sheet .desc{font-size:13.5px;line-height:1.9;color:var(--dim);max-width:640px}
.work-sheet .feat{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:7px 24px;margin-top:18px;font-size:12.5px;color:#b7cbe0}
.work-sheet .feat li::before{content:"— ";color:var(--red)}
.work-sheet .go{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:11px;letter-spacing:2px;
  color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(111,220,255,.35);padding-bottom:3px}
.work-sheet .go:hover{border-bottom-style:solid}
.table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}
.table th{text-align:left;font-weight:400;color:var(--dim);font-size:10px;letter-spacing:2px;
  border-bottom:1px solid var(--line);padding:10px 8px}
.table td{border-bottom:1px solid var(--line-soft);padding:12px 8px;color:#b7cbe0}
.table tr:hover td{background:rgba(111,220,255,.03)}
.table td:last-child,.table th:last-child{text-align:right;color:var(--dim)}

/* ---------- 关于 ---------- */
.spec{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line-soft);margin:26px 0 10px}
.spec div{padding:16px 18px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.spec div:nth-child(4n){border-right:0}
.spec b{display:block;font-size:9.5px;letter-spacing:2px;color:var(--dim);margin-bottom:6px;font-weight:400}
.spec span{font-size:13.5px;color:var(--ink)}
.story{margin-top:34px;max-width:720px;font-size:15px;line-height:2.05;color:#b7cbe0}
.story p{margin-bottom:18px}
.story em{font-style:normal;color:var(--cyan)}
.timeline{border-left:1px solid var(--line);padding-left:28px;margin-top:16px}
.tl{position:relative;padding-bottom:28px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-33px;top:7px;width:9px;height:9px;border:1px solid var(--cyan);
  background:var(--bg);transform:rotate(45deg)}
.tl .y{font-size:11px;color:var(--amber);letter-spacing:2px}
.tl h3{font-size:17px;font-weight:400;margin:5px 0 6px;letter-spacing:1px}
.tl p{font-size:13px;color:var(--dim);max-width:600px;line-height:1.8}

/* ---------- Blog ---------- */
.note-list{border-top:1px solid var(--line);margin-top:8px}
.note{display:grid;grid-template-columns:132px 1fr auto;gap:24px;align-items:start;
  padding:24px 4px;border-bottom:1px solid var(--line-soft);text-decoration:none;color:inherit;transition:.25s}
.note:hover{background:rgba(111,220,255,.035);padding-left:14px}
.note time{font-size:11px;color:var(--dim);letter-spacing:1px;padding-top:4px}
.note h2{font-size:19px;font-weight:400;letter-spacing:.5px}
.note:hover h2{color:var(--cyan)}
.note p{font-size:13px;line-height:1.8;color:var(--dim);margin-top:7px;max-width:620px}
.note .g{font-size:10px;color:var(--red);border:1px solid rgba(255,106,77,.38);padding:2px 8px;letter-spacing:2px;white-space:nowrap}
.note-empty{padding:60px 0;color:var(--dim);font-size:13px}

/* ---------- 文章 ---------- */
.article{max-width:780px;margin:0 auto;padding:128px 0 40px}
.article .meta{display:flex;gap:16px;flex-wrap:wrap;align-items:center;font-size:11px;color:var(--dim);letter-spacing:1.5px}
.article .meta .tag{color:var(--red);border:1px solid rgba(255,106,77,.38);padding:1px 7px;font-size:10px}
.article h1{font-family:var(--mono);font-size:clamp(26px,3.6vw,38px);line-height:1.45;letter-spacing:0;
  margin:18px 0 8px;font-weight:500;color:#eff9ff}
.article .lede2{font-size:14px;color:var(--dim);line-height:1.9;margin-top:10px}
.prose{margin-top:44px;font-size:16px;line-height:2.05;color:#c3d4e6}
.prose h2{font-size:20px;font-weight:500;margin:40px 0 14px;padding-left:14px;border-left:2px solid var(--cyan);letter-spacing:1px}
.prose h3{font-size:16.5px;font-weight:500;margin:28px 0 10px;color:var(--cyan)}
.prose p{margin:0 0 20px}
.prose a{color:var(--cyan);text-decoration:none;border-bottom:1px solid rgba(111,220,255,.3)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose ul,.prose ol{margin:0 0 20px 22px}
.prose li{margin-bottom:8px}
.prose blockquote{margin:24px 0;padding:4px 0 4px 18px;border-left:2px solid var(--red);color:var(--dim);font-style:normal}
.prose code{background:rgba(111,220,255,.09);padding:2px 6px;font-size:.9em;color:#9fe8ff}
.prose pre{background:rgba(3,9,17,.85);border:1px solid var(--line-soft);padding:16px 18px;overflow:auto;margin:24px 0;font-size:13px;line-height:1.8}
.prose pre code{background:none;padding:0;color:#b7cbe0}
.prose img{max-width:100%;border:1px solid var(--line-soft);margin:22px 0}
.prose hr{border:0;border-top:1px dashed var(--line-soft);margin:36px 0}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:13.5px}
.prose th,.prose td{border-bottom:1px solid var(--line-soft);padding:10px 8px;text-align:left}
.prose th{color:var(--dim);font-weight:400;font-size:11px;letter-spacing:1.5px}
.pager{display:flex;justify-content:space-between;gap:20px;margin-top:64px;padding-top:20px;
  border-top:1px solid var(--line-soft);font-size:12.5px}
.pager a{color:var(--dim);text-decoration:none;max-width:46%}
.pager a:hover{color:var(--cyan)}
.pager a span{display:block;font-size:10px;letter-spacing:2px;color:rgba(126,154,182,.7);margin-bottom:4px}
.pager .next{text-align:right;margin-left:auto}
.back{display:inline-block;margin-top:34px;font-size:11px;letter-spacing:2px;color:var(--dim);text-decoration:none}
.back:hover{color:var(--cyan)}

/* ---------- 404 ---------- */
.e404{padding:150px 0 60px;text-align:center}
.e404 .big{font-size:clamp(90px,16vw,180px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(111,220,255,.5);letter-spacing:6px}
.e404 h1{font-family:var(--mono);font-size:18px;font-weight:400;letter-spacing:4px;margin:20px 0 12px}
.e404 p{font-size:13px;color:var(--dim);line-height:1.9}
.e404 .dwg{margin:34px auto 0;width:200px;opacity:.5}


/* 滚动揭示 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s var(--ease)}
.reveal.on{opacity:1;transform:none}

@media(max-width:1080px){
  .hero{grid-template-columns:1fr;gap:30px;padding-top:92px;min-height:0}
  .viewport{height:520px}
  .hero .txt{order:1}.hero .viewport{order:2}
}
@media(max-width:760px){
  .wrap{padding:0 18px}
  .ruler{display:none}
  .topbar{padding:9px 14px;font-size:10px}
  .topbar .tb-r{display:none}
  .hero{padding-top:86px}
  h1{font-size:50px}
  .role{letter-spacing:3px}
  .cards{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat:last-child{border-bottom:0}
  .post{grid-template-columns:1fr auto;gap:6px}
  .post .d{grid-column:1/-1}
  .viewport{height:440px;min-height:380px}
  .vp-bar .tag{display:none}
  .sheet-head .meta{display:none}
  .br-d{display:none}
}
/* 预览辅助 */
body.flat .hero{min-height:0;padding-top:100px;padding-bottom:30px}
body.flat .reveal{opacity:1;transform:none;transition:none}

@media(max-width:760px){
  .work-sheet{grid-template-columns:1fr;gap:12px;padding:22px 18px}
  .work-sheet .idx{font-size:38px}
  .work-sheet .feat{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr 1fr}
  .spec div{border-right:1px solid var(--line-soft)}
  .spec div:nth-child(2n){border-right:0}
  .note{grid-template-columns:1fr auto;gap:6px}
  .note time{grid-column:1/-1;padding-top:0}
  .article{padding-top:100px}
  .prose{font-size:15px;line-height:1.95}
  .page-head{padding-top:104px}
  .e404{padding-top:120px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* �ޱ����飺ֻ���� */
.block.tight{padding-top:56px}


/* ---------- 品牌标识 ---------- */
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:inherit;transition:.2s;flex:1 1 0;min-width:0}
.brand:hover b{color:var(--cyan)}
.brand svg{flex:none;opacity:.9}

/* ---------- 图片画廊 ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gallery figure{margin:0;padding:10px;border:1px solid var(--line-soft);background:rgba(8,24,42,.5)}
.gallery img{width:100%;display:block;border:1px solid var(--line-soft);background:#081827}
.gallery figcaption{margin-top:9px;font-size:11px;letter-spacing:1px;color:var(--dim)}
.gallery figure:hover{border-color:rgba(111,220,255,.45)}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:220px 1fr;gap:34px;align-items:center;
  padding:26px;border:1px solid var(--line-soft);background:rgba(8,24,42,.35)}
.cq{text-align:center}
.cq img{width:180px;height:180px;object-fit:cover;border:1px solid var(--line);background:#fff;padding:6px}
.cq span{display:block;margin-top:9px;font-size:10px;letter-spacing:2px;color:var(--dim)}
.cinfo h3{font-size:22px;font-weight:400;letter-spacing:2px;margin-bottom:12px}
.cinfo p{font-size:13.5px;line-height:1.95;color:var(--dim);max-width:470px}
.clist{display:flex;gap:30px;flex-wrap:wrap;margin-top:20px}
.ci b{display:block;font-size:9.5px;letter-spacing:2px;color:var(--dim);font-weight:400;margin-bottom:3px}
.ci span{font-size:14px;color:var(--ink)}

@media(max-width:760px){
  .gallery{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;gap:20px;text-align:center;padding:20px}
  .cinfo p{margin:0 auto}
  .clist{justify-content:center}
}
.gallery figure:last-child:nth-child(odd){grid-column:1 / -1;max-width:880px;margin:0 auto;width:100%}
.gallery figure:last-child:nth-child(odd) img{max-height:none}

/* ---------- 文章里的图 ---------- */
.prose figure{margin:28px 0}
.prose figure img{margin:0;width:100%;display:block;border:1px solid var(--line-soft)}
.prose figcaption{margin-top:9px;font-size:11.5px;letter-spacing:1px;color:var(--dim);text-align:center}
.prose .cols{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.prose .cols figure{margin:0}
@media(max-width:640px){.prose .cols{grid-template-columns:1fr}}
/* ---------- 文章封面 ---------- */
.post{display:flex;align-items:center;gap:16px}
.post .d{width:118px;flex:none}
.post .t{flex:1}
.post .pt{width:68px;height:46px;flex:none;border:1px solid var(--line-soft);overflow:hidden;background:#081827}
.post .pt img{width:100%;height:100%;object-fit:cover;display:block}
.nbody{display:flex;gap:18px;align-items:flex-start}
.ncover{width:160px;height:100px;flex:none;border:1px solid var(--line-soft);overflow:hidden;background:#081827}
.ncover img{width:100%;height:100%;object-fit:cover;display:block}
.note:hover .ncover{border-color:rgba(111,220,255,.4)}
@media(max-width:760px){
  .post{flex-wrap:wrap;gap:10px}
  .post .d{width:auto}
  .post .pt{width:56px;height:38px}
  .ncover{display:none}
}
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--cyan);color:#03131c;padding:9px 16px;font-size:13px;letter-spacing:1px}
.skip:focus{left:12px;top:12px}

@media(max-width:640px){.bs{display:none}}

@media(max-width:980px){.topbar .tb-r{display:none}}

@media(max-width:520px){.brand b{display:none}}