/* ============ layout.css — 顶栏 / hero / 布局骨架 / 面板 / 弹层 ============ */
/* Style: Swiss Minimalist — 0 圆角 / 无阴影 / 严格网格 / 左边框标记 */

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:2px solid var(--ink);
}
.header-row{
  max-width:1460px;margin:0 auto;padding:12px 28px;
  display:flex;align-items:center;gap:22px;
}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:0;background:var(--ink);color:#FFFFFF;
  font-family:var(--font-body);font-weight:700;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--font-body);font-size:16.5px;font-weight:700;letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3)}

.nav-tabs{display:flex;gap:2px;flex:none}
.nav-tab{
  border:none;background:transparent;border-radius:0;padding:9px 15px;
  font-size:13.5px;font-weight:600;color:var(--ink-2);cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;transition:.16s;
  border-bottom:2px solid transparent;
}
.nav-tab:hover{background:var(--paper-2);color:var(--ink)}
.nav-tab.active{background:transparent;color:var(--ink);border-bottom:2px solid var(--accent)}
.nav-count{font-size:10.5px;font-weight:700;background:var(--paper-2);color:var(--ink-2);border-radius:0;padding:1.5px 7px}
.nav-tab.active .nav-count{background:var(--accent);color:#FFFFFF}
.nav-badge{min-width:17px;height:17px;border-radius:0;background:var(--accent);color:#FFFFFF;font-size:10.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}

.header-search{position:relative;flex:1;max-width:540px;margin-left:auto}
.hs-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
#globalSearch{
  width:100%;height:42px;border:1px solid var(--line-2);border-radius:0;
  background:var(--card);padding:0 76px 0 42px;font-size:14px;font-family:inherit;color:var(--ink);
  transition:border-color .18s;
}
#globalSearch:focus{outline:none;border-color:var(--ink);box-shadow:none}
#globalSearch::placeholder{color:var(--ink-3)}
.hs-kbd{position:absolute;right:14px;top:50%;transform:translateY(-50%)}
.hs-clear{
  position:absolute;right:38px;top:50%;transform:translateY(-50%);
  border:none;background:var(--paper-2);color:var(--ink-2);width:20px;height:20px;border-radius:0;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.hs-clear:hover{background:var(--line-2);color:var(--ink)}

.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.progress-chip{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);
  background:var(--card);border-radius:0;padding:6px 13px 6px 7px;cursor:pointer;
  font-size:12.5px;font-weight:700;color:var(--ink-2);transition:.18s;
}
.progress-chip:hover{border-color:var(--ink);color:var(--ink);transform:none}

/* 搜索建议 */
.suggest{
  position:absolute;top:calc(100% + 9px);left:0;right:0;
  background:var(--card);border:1px solid var(--line-2);border-radius:0;
  box-shadow:none;overflow:hidden;z-index:70;
}
.sg-item{
  display:flex;align-items:center;gap:11px;width:100%;padding:10px 14px;
  border:none;background:transparent;cursor:pointer;text-align:left;transition:background .12s;
}
.sg-item:hover,.sg-item.active{background:var(--paper-2)}
.sg-title{font-size:13.5px;font-weight:600;flex:1;min-width:0}
.sg-cat{font-size:11.5px;color:var(--ink-3);flex:none}
.sg-foot{display:flex;justify-content:space-between;padding:7px 14px;border-top:1px solid var(--line);font-size:11.5px;color:var(--ink-3)}

/* ---------- 主区域 ---------- */
.main{max-width:1460px;margin:0 auto;padding:0 28px 70px;min-height:62vh}

/* ---------- Hero ---------- */
.hero{padding:64px 0 8px;border-left:4px solid var(--accent);margin-left:28px;padding-left:24px}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(36px,4.4vw,58px);line-height:1.14;font-weight:700;letter-spacing:-.03em}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:54ch}
.hero-stats{display:flex;gap:38px;margin-top:34px;flex-wrap:wrap}
.hero-stats b{display:block;font-family:var(--font-body);font-size:29px;font-weight:700;line-height:1.1}
.hero-stats span{font-size:12px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.hero-cats{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.hero-art{max-width:470px;width:100%;margin:0 auto}
.hero-art svg{width:100%;height:auto}
@media (prefers-reduced-motion:no-preference){
  .hero-art svg{animation:drift 26s ease-in-out infinite alternate}
  @keyframes drift{from{transform:rotate(-.8deg) scale(1)}to{transform:rotate(.8deg) scale(1.015)}}
}

/* ---------- 通用区块 ---------- */
.section{margin-top:58px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;border-left:4px solid var(--accent);padding-left:12px}
.sec-head h2{font-size:24px}
.sec-head p{color:var(--ink-3);font-size:13px}

/* ---------- 资源库 ---------- */
.library{display:grid;grid-template-columns:244px 1fr;gap:34px;align-items:start;padding-top:34px}
.facets{position:sticky;top:86px}
.facets-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.facets-head h3{font-size:15px}
.facet-group{border-top:1px solid var(--line);padding:14px 0 6px}
.facet-group h4{font-family:var(--font-body);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.facet-row{
  display:flex;align-items:center;gap:10px;width:100%;padding:7px 9px;border:none;border-radius:0;
  background:transparent;cursor:pointer;font-size:13.5px;color:var(--ink-2);transition:.13s;text-align:left;
  border-left:2px solid transparent;
}
.facet-row:hover{background:var(--paper-2);color:var(--ink)}
.facet-row .fbox{
  width:17px;height:17px;border-radius:0;border:1.5px solid var(--line-2);flex:none;
  display:flex;align-items:center;justify-content:center;color:#FFFFFF;transition:.13s;
}
.facet-row .fbox svg{opacity:0;transform:scale(.5);transition:.13s}
.facet-row.on{color:var(--ink);font-weight:600;border-left:2px solid var(--accent)}
.facet-row.on .fbox{background:var(--ink);border-color:var(--ink)}
.facet-row.on .fbox svg{opacity:1;transform:none}
.fname{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.fdot{width:8px;height:8px;border-radius:0;flex:none}
.fcount{font-size:11.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.facet-note{margin-top:14px;padding:11px 13px;background:var(--paper-2);border-radius:var(--radius-s);border-left:4px solid var(--accent);font-size:12px;color:var(--ink-2);line-height:1.5}

.lib-main{min-width:0}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.tb-left{display:flex;align-items:center;gap:12px;min-width:0}
.tb-left h2{font-size:20px}
.query-chip{
  display:inline-flex;align-items:center;gap:7px;background:var(--paper-2);color:var(--ink);
  border-radius:0;padding:5px 8px 5px 13px;font-size:12.5px;font-weight:600;max-width:320px;
  border-left:4px solid var(--accent);
}
.query-chip .clamp1{max-width:200px}
.query-chip button{border:none;background:none;cursor:pointer;color:inherit;display:flex;padding:2px;border-radius:0}
.query-chip button:hover{color:var(--accent)}
.tb-right{display:flex;align-items:center;gap:10px}
.view-toggle{display:flex;border:1px solid var(--line-2);border-radius:0;overflow:hidden;background:var(--card)}
.view-toggle button{
  border:none;background:transparent;padding:7px 11px;cursor:pointer;color:var(--ink-3);
  display:flex;align-items:center;transition:.14s;
}
.view-toggle button.on{background:var(--ink);color:var(--paper)}
.view-toggle button + button{border-left:1px solid var(--line-2)}

.show-more{display:flex;margin:26px auto 0}

/* ---------- 面板（滑出层） ---------- */
.overlay{position:fixed;inset:0;background:rgba(10,10,10,.4);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:90;animation:fadeIn .22s}
.panel{
  position:fixed;top:0;right:0;height:100dvh;width:min(580px,94vw);
  background:var(--card);border-left:4px solid var(--accent);box-shadow:none;
  overflow-y:auto;z-index:95;animation:slideIn .3s cubic-bezier(.32,.72,0,1);
}
.panel + .panel{box-shadow:none}

/* ---------- 空态 ---------- */
.empty{padding:64px 24px;text-align:center;color:var(--ink-3)}
.empty-ic{
  width:76px;height:76px;border-radius:0;background:var(--paper-2);color:var(--ink-3);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;
  border-left:4px solid var(--accent);
}
.empty h3{font-size:19px;color:var(--ink);margin-bottom:8px}
.empty p{font-size:13.5px;max-width:40ch;margin:0 auto 20px}

/* ---------- Toast ---------- */
#toastRoot{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:9px;align-items:center;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:9px;background:var(--ink);color:var(--paper);
  border-radius:0;padding:10px 20px;font-size:13.5px;font-weight:600;box-shadow:none;
  border-left:4px solid var(--accent);
  opacity:0;transform:translate(-50%,14px);transition:.28s cubic-bezier(.32,.72,0,1);
  animation:toastIn .28s cubic-bezier(.32,.72,0,1) forwards;
}
.toast svg{color:#FFFFFF}
.toast.hide{opacity:0;transform:translate(-50%,10px)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:2px solid var(--ink);padding:24px 28px 34px}
.footer-inner{
  max-width:1460px;margin:0 auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}
.f-brand{font-weight:700;color:var(--ink-2)}
.f-sep{opacity:.5}
.f-keys{margin-left:auto;display:flex;align-items:center;gap:6px}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .library{grid-template-columns:1fr}
  .facets{position:static;display:flex;flex-wrap:wrap;gap:8px 26px}
  .facets-head{width:100%}
  .facet-group{border-top:none;padding:0;min-width:200px}
  .facet-note{display:none}
  .hero-inner{grid-template-columns:1fr}
  .hero-art{max-width:400px}
  .hero{margin-left:0;padding-left:16px}
}
@media (max-width:900px){
  .header-row{flex-wrap:wrap;gap:12px;padding:12px 18px}
  .header-search{order:3;flex-basis:100%;max-width:none;margin-left:0}
  .nav-tabs{order:2}
  .header-actions{margin-left:auto}
  .main{padding:0 18px 56px}
  .hero{padding-top:40px}
  .hero-stats{gap:24px}
  .res-row-hide{display:none}
  .f-keys{display:none}
}