html,
body{
  background:#111827;
  overscroll-behavior:none;
  overflow-x:hidden;
}

:root{
  --bg:#111827;
  --bg-soft:#151d2e;
  --surface:rgba(28,38,56,.82);
  --surface-2:#202b3f;
  --surface-hover:#263249;
  --ink:#f4f7fb;
  --ink-2:#d6e0ee;
  --muted:#9ba9bd;
  --line:rgba(148,163,184,.14);
  --line-strong:rgba(148,163,184,.24);
  --accent:#5b8cff;
  --accent-2:#8b5cf6;
  --accent-strong:#7aa2ff;
  --accent-soft:rgba(91,140,255,.14);
  --gradient-primary:linear-gradient(135deg,#5b8cff 0%,#38bdf8 45%,#8b5cf6 100%);
  --success:#34d399;
  --danger:#f87171;
  --warning:#f59e0b;
  --shadow-sm:0 10px 24px rgba(3,7,18,.16), 0 2px 6px rgba(3,7,18,.16);
  --shadow-md:0 18px 44px rgba(2,6,23,.24), 0 6px 18px rgba(2,6,23,.2);
  --shadow-lg:0 30px 72px rgba(2,6,23,.38), 0 12px 30px rgba(2,6,23,.28);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --nav-h:68px;
  --ease-premium:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html{
  scrollbar-width:thin;
  scrollbar-color:#6f7cf9 #131b2a;
}
*::-webkit-scrollbar{
  width:10px;
  height:10px;
}
*::-webkit-scrollbar-track{
  background:#131b2a;
  border-radius:999px;
}
*::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,#5b8cff 0%,#8b5cf6 100%);
  border-radius:999px;
  border:2px solid #131b2a;
}
*::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,#67e8f9 0%,#8b5cf6 100%);
}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:
    radial-gradient(900px 520px at 5% -10%, rgba(56,189,248,.14), transparent 62%),
    radial-gradient(850px 520px at 100% 0%, rgba(139,92,246,.12), transparent 60%),
    radial-gradient(700px 420px at 50% 100%, rgba(91,140,255,.07), transparent 65%),
    linear-gradient(180deg, #182132 0%, #131b2a 45%, #111827 100%);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.modal-open,
body.mobile-menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{color:inherit}
img,svg{display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
:focus-visible{
  outline:3px solid rgba(56,189,248,.32);
  outline-offset:3px;
}
::selection{
  background:rgba(91,140,255,.28);
  color:#fff;
}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0 0;
}
.nav-shell{
  min-height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:10px 18px;
  border:1px solid rgba(148,163,184,.14);
  border-radius:16px;
  background:linear-gradient(180deg,rgba(30,41,59,.92),rgba(17,24,39,.88));
  box-shadow:0 12px 34px rgba(2,6,23,.20);
  backdrop-filter:saturate(150%) blur(16px);
  position:relative;
}
.nav-shell::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:1px;
  border-radius:16px 16px 0 0;
  background:linear-gradient(90deg,transparent,rgba(91,140,255,.35),rgba(139,92,246,.24),transparent);
  pointer-events:none;
}
.nav-area{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-weight:700;font-size:18px;letter-spacing:-.02em;
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  box-shadow:var(--shadow-sm);
  flex-shrink:0;
}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-copy{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:0;
}
.brand-word{
  display:inline-flex;
  align-items:baseline;
  gap:0;
  color:var(--ink);
  line-height:1;
}
.brand-word-accent{
  background:linear-gradient(135deg,#dce9ff 0%,#91b0ff 42%,#b9a4ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-sub{
  color:var(--muted);
  font-size:11px;
  line-height:1.1;
  letter-spacing:.02em;
}
.site-header .brand{font-size:18px}
.site-header .brand-mark{width:42px;height:42px}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links a{
  position:relative;
  padding:10px 12px 12px;
  border-radius:10px;
  color:var(--ink-2);
  font-size:14px;
  font-weight:500;
  transition:background .26s var(--ease-premium),color .26s var(--ease-premium),border-color .26s var(--ease-premium), transform .26s var(--ease-premium);
}
.nav-links a:hover{
  background:linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.06));
  color:var(--ink);
  transform:translateY(-1px);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:5px;
  height:2px;
  border-radius:999px;
  transform:scaleX(0);
  transform-origin:center;
  background:var(--gradient-primary);
  transition:transform .28s var(--ease-premium), opacity .28s var(--ease-premium);
  opacity:.78;
}
.nav-links a:hover::after{transform:scaleX(1);opacity:1}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-search-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 13px;
  border-radius:12px;
  border:1px solid rgba(148,163,184,.18);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  cursor:pointer;
  transition:border-color .26s var(--ease-premium),background .26s var(--ease-premium),color .26s var(--ease-premium),transform .26s var(--ease-premium),box-shadow .26s var(--ease-premium);
}
.nav-search-btn svg{
  width:16px;
  height:16px;
}
.nav-search-btn:hover{
  color:var(--ink);
  transform:translateY(-1px) scale(1.01);
  border-color:rgba(91,140,255,.28);
  background:linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.06));
  box-shadow:var(--shadow-sm), 0 0 0 1px rgba(91,140,255,.10);
}
.hamburger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(28,38,56,.88);cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  width:18px;height:2px;border-radius:999px;background:var(--ink);display:block;content:"";
  transition:transform .18s ease,opacity .18s ease;
}
.hamburger span{position:relative}
.hamburger span::before{position:absolute;top:-6px;left:0}
.hamburger span::after{position:absolute;top:6px;left:0}
.hamburger[aria-expanded="true"] span{background:transparent}
.hamburger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-menu-overlay,
.mobile-menu{
  display:none;
}

.hero{
  padding:44px 0 26px;
  position:relative;
}
.hero-inner{position:relative;max-width:860px;margin:0 auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:999px;
  background:rgba(28,38,56,.78);border:1px solid var(--line);
  color:var(--muted);font-size:12.5px;font-weight:600;
  box-shadow:var(--shadow-sm);
  margin-bottom:14px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
h1{
  margin:0 0 12px;
  font-size:clamp(30px,5vw,48px);
  line-height:1.06;
  letter-spacing:-.035em;
  color:#f8fbff;
  text-shadow:0 10px 28px rgba(2,6,23,.24);
}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  h1{
    background:linear-gradient(180deg,#ffffff 0%,#dce9ff 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
}
.lead{
  max-width:640px;margin:0 auto 24px;
  color:var(--muted);font-size:16px;
}
.search-shell{
  max-width:620px;margin:0 auto;
  background:rgba(20,29,46,.78);
  border:1px solid rgba(148,163,184,.18);
  box-shadow:var(--shadow-md);
  border-radius:18px;
  padding:14px;
}
.search{
  position:relative;display:flex;align-items:center;
  border:1px solid var(--line-strong);
  border-radius:14px;
  background:rgba(11,18,32,.68);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.search:focus-within{
  border-color:rgba(56,189,248,.56);
  box-shadow:0 0 0 4px rgba(56,189,248,.10);
  background:rgba(10,17,30,.86);
}
.search svg{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--muted);
}
.search input{
  width:100%;border:none;background:transparent;
  padding:15px 110px 15px 45px;color:var(--ink);font-size:15px;
  outline:none;
}
.search input::placeholder{color:rgba(155,169,189,.88)}
.shortcut-hint{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  appearance:none;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:var(--muted);
  cursor:pointer;
  font-size:12px;
  font-weight:600;
  padding:6px 9px;
  line-height:1;
  letter-spacing:.02em;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}
.shortcut-hint:hover{
  color:var(--ink);
  border-color:rgba(91,140,255,.34);
  background:linear-gradient(135deg,rgba(91,140,255,.11),rgba(139,92,246,.07));
  transform:translateY(calc(-50% - 1px));
}
.shortcut-hint:active{
  transform:translateY(-50%);
}
.shortcut-hint:focus-visible{
  outline:none;
  border-color:rgba(56,189,248,.55);
  box-shadow:0 0 0 3px rgba(56,189,248,.11);
}
.shortcut-mobile{display:none}
.quick-tools{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px;
}
.quick-tool{
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:12px;
  padding:11px 12px;
  text-align:left;cursor:pointer;color:var(--ink-2);
  display:flex;align-items:center;gap:10px;
  transition:transform .24s var(--ease-premium), box-shadow .24s var(--ease-premium), border-color .24s var(--ease-premium), background .24s var(--ease-premium), color .24s var(--ease-premium);
}
.quick-tool:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm), 0 0 0 1px rgba(91,140,255,.08), 0 0 24px rgba(91,140,255,.10);
  border-color:rgba(91,140,255,.34);
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.07)),
    var(--surface-hover);
  color:var(--ink);
}
.quick-tool .mini-icon{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);
  flex-shrink:0;
}
.quick-tool strong{font-size:13.5px;letter-spacing:-.01em}

section{padding:24px 0}
.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:14px;
  flex-wrap:wrap;margin-bottom:18px;
}
.section-head h2{
  margin:0;font-size:23px;line-height:1.1;
  letter-spacing:-.025em;
}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}

.recent-wrap{
  display:none;
  margin-top:2px;
}
.recent-wrap + .recent-wrap{
  margin-top:10px;
}
.recent-panel{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 12px;
  background:rgba(28,38,56,.68);
  border:1px solid var(--line);
  border-radius:16px;padding:12px 14px;
  box-shadow:var(--shadow-sm);
}
.recent-title{font-size:13px;font-weight:600;color:var(--muted)}
.recent-list{display:flex;flex-wrap:wrap;gap:8px}
.recent-chip{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:999px;
  padding:8px 12px;cursor:pointer;font-size:13px;font-weight:500;
  color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease, background .18s ease;
}
.recent-chip:hover{
  border-color:rgba(91,140,255,.34);
  color:var(--ink);
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.07)),
    var(--surface-hover);
  transform:translateY(-1px);
}

.trust-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
}
.trust-item{
  background:rgba(28,38,56,.78);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow-sm);
}
.trust-item .mini-icon{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(91,140,255,.22),rgba(56,189,248,.10));
  color:#dce9ff;
  flex-shrink:0;
}
.trust-item strong{
  display:block;font-size:14px;letter-spacing:-.01em;
}
.trust-item span{
  display:block;font-size:13px;color:var(--muted);
}

.popular-grid,.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.card-shell{
  position:relative;
  min-width:0;
}
.card{
  --tool-accent:var(--accent);
  --tool-soft:var(--accent-soft);
  width:100%;
  min-height:100%;
  border:1px solid var(--line);
  border-top:3px solid var(--tool-accent);
  border-radius:18px;
  background:var(--surface);
  padding:20px 64px 20px 20px;
  text-align:left;
  display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .26s var(--ease-premium), box-shadow .26s var(--ease-premium), border-color .26s var(--ease-premium), background .26s var(--ease-premium), filter .26s var(--ease-premium);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md), 0 0 0 1px rgba(91,140,255,.08), 0 0 28px rgba(91,140,255,.08);
  border-color:rgba(148,163,184,.30);
  background:
    linear-gradient(145deg,rgba(91,140,255,.045),rgba(139,92,246,.025)),
    var(--surface-hover);
}
.card-top{display:flex;align-items:flex-start;gap:12px}
.icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--tool-soft);
  color:var(--tool-accent);
  flex-shrink:0;
}
.icon svg{width:20px;height:20px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 9px;border-radius:999px;
  background:var(--tool-soft);color:var(--tool-accent);
  font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  margin-bottom:8px;
}
.card h3{
  margin:0;font-size:17px;line-height:1.2;
  letter-spacing:-.02em;
}
.card h3 mark{
  background:rgba(91,140,255,.16);
  color:inherit;
  border-radius:5px;
  padding:0 .08em;
}
.card p{
  margin:0;color:var(--muted);font-size:14px;
  flex:1;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;
}
.card-meta{font-size:12.5px;color:var(--muted)}
.open-btn{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--ink);font-size:13.5px;font-weight:600;
}
.open-btn svg{width:16px;height:16px}
.card[aria-pressed="true"]{border-color:var(--tool-accent)}
.favorite-btn{
  position:absolute;
  top:14px;
  right:14px;
  width:34px;
  height:34px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(15,23,42,.72);
  color:var(--muted);
  display:grid;
  place-items:center;
  font-size:18px;
  line-height:1;
  cursor:pointer;
  z-index:2;
  transition:border-color .24s var(--ease-premium),color .24s var(--ease-premium),background .24s var(--ease-premium),transform .24s var(--ease-premium), box-shadow .24s var(--ease-premium);
}
.favorite-btn:hover{
  border-color:rgba(91,140,255,.34);
  color:var(--ink);
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.07)),
    var(--surface-hover);
  transform:translateY(-1px);
  box-shadow:0 10px 20px rgba(2,6,23,.16);
}
.favorite-btn.active{
  color:#dce9ff;
  border-color:rgba(91,140,255,.34);
  background:
    linear-gradient(135deg,rgba(91,140,255,.16),rgba(139,92,246,.10)),
    rgba(15,23,42,.82);
}
.favorite-btn:focus-visible{
  outline:2px solid rgba(91,140,255,.55);
  outline-offset:2px;
}

.cats{
  display:flex;flex-wrap:wrap;gap:10px;
}
.cat{
  border:1px solid var(--line);
  background:rgba(28,38,56,.7);
  border-radius:999px;
  padding:10px 15px;cursor:pointer;font-size:14px;font-weight:500;
  color:var(--ink-2);
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color .18s ease,background .18s ease,color .18s ease, box-shadow .18s ease;
}
.cat .count{
  border-radius:999px;background:rgba(255,255,255,.06);padding:2px 8px;
  color:var(--muted);font-size:12px;font-weight:600;
}
.cat:not(.active):hover{
  border-color:rgba(91,140,255,.30);
  background:
    linear-gradient(135deg,rgba(91,140,255,.09),rgba(139,92,246,.06)),
    rgba(32,43,63,.88);
  color:var(--ink);
}
.cat.active{
  background:var(--gradient-primary);
  color:#fff;border-color:transparent;
  box-shadow:0 12px 30px rgba(91,140,255,.18);
}
.cat.active .count{background:rgba(255,255,255,.18);color:#fff}

.empty{
  display:none;
  background:rgba(28,38,56,.72);
  border:1px dashed rgba(148,163,184,.28);
  border-radius:18px;padding:28px 24px;text-align:center;
}
.empty h3{margin:0 0 6px;font-size:18px;letter-spacing:-.02em}
.empty p{margin:0;color:var(--muted);font-size:14px}
.suggest-list{
  display:flex;justify-content:center;flex-wrap:wrap;gap:8px;
  margin-top:16px;
}
.suggest-chip{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  border-radius:999px;padding:8px 12px;font-size:13px;font-weight:500;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.suggest-chip:hover{
  border-color:rgba(91,140,255,.34);
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.07)),
    var(--surface-hover);
  color:var(--ink);
  transform:translateY(-1px);
}

.site-footer{
  position:relative;
  margin-top:38px;
  padding:30px 0 18px;
  background:
    radial-gradient(540px 240px at 12% 0%, rgba(56,189,248,.06), transparent 70%),
    linear-gradient(180deg,rgba(17,24,39,.72),rgba(9,14,26,.96));
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(91,140,255,.45),rgba(139,92,246,.35),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr repeat(3,minmax(0,1fr));
  gap:24px 20px;
  padding:8px 0 24px;
}
.footer-brand{
  max-width:320px;
}
.site-footer .brand{
  font-size:17px;
  align-items:flex-start;
}
.site-footer .brand-mark{
  width:40px;
  height:40px;
}
.footer-lead{
  margin:14px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
}
.footer-column h3{
  margin:0 0 12px;
  font-size:13px;
  color:var(--ink);
  letter-spacing:.01em;
}
.footer-column{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-column a,
.footer-column span{
  color:var(--muted);
  font-size:13.5px;
  line-height:1.45;
}
.footer-column a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:color .18s ease,transform .18s ease;
}
.footer-column a::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:linear-gradient(135deg,rgba(91,140,255,.68),rgba(139,92,246,.56));
  opacity:.6;
  transition:opacity .18s ease,transform .18s ease;
}
.footer-column a:hover{
  color:var(--ink);
  transform:translateX(2px);
}
.footer-column a:hover::before{
  opacity:1;
  transform:scale(1.05);
}
.footer-info span{
  position:relative;
  padding-left:14px;
}
.footer-info span::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:5px;
  height:5px;
  border-radius:50%;
  background:rgba(91,140,255,.7);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:16px;
  border-top:1px solid rgba(148,163,184,.12);
  color:var(--muted);
  font-size:12.5px;
}

.modal{
  position:fixed;inset:0;z-index:100;
  display:none;align-items:center;justify-content:center;
  padding:24px 16px;
  background:rgba(2,6,23,.72);
  backdrop-filter:blur(10px);
  overflow-y:auto;
}
.modal.open{display:flex}
.modal-card{
  width:100%;max-width:720px;
  max-height:calc(100vh - 48px);
  background:linear-gradient(180deg,rgba(32,43,63,.98),rgba(28,38,56,.98));
  border:1px solid rgba(148,163,184,.16);
  border-radius:24px;
  box-shadow:var(--shadow-lg);
  overflow-y:auto;
  transform-origin:center center;
  animation:modalIn 200ms cubic-bezier(0.22,1,0.36,1);
}
@keyframes modalIn{
  from{opacity:0;transform:scale(.975)}
  to{opacity:1;transform:scale(1)}
}
.modal-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:22px 24px;border-bottom:1px solid var(--line);
}
.modal-head h3{margin:0;font-size:22px;letter-spacing:-.03em}
.modal-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.close-btn{
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;
  display:grid;place-items:center;color:var(--muted);flex-shrink:0;
}
.close-btn:hover{
  border-color:rgba(91,140,255,.34);
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(139,92,246,.07)),
    var(--surface-hover);
  color:var(--ink);
  transform:translateY(-1px);
}
.modal-body{padding:22px 24px 24px}
.alert{
  display:none;margin-bottom:14px;
  border:1px solid rgba(248,113,113,.28);
  background:rgba(127,29,29,.26);
  color:#fecaca;
  border-radius:12px;padding:12px 14px;font-size:13.5px;
}
.alert.show{display:block}
.form-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px;
}
.field.full{grid-column:1 / -1}
.field label{
  display:block;margin-bottom:7px;
  color:var(--ink-2);font-size:13px;font-weight:600;
}
.field input,.field select{
  width:100%;padding:13px 14px;
  border-radius:12px;border:1px solid var(--line-strong);
  background:#111827;color:var(--ink);font-size:14.5px;
  outline:none;
  color-scheme:dark;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field input::placeholder{color:rgba(155,169,189,.78)}
.field input:focus,.field select:focus{
  border-color:rgba(56,189,248,.58);
  box-shadow:0 0 0 3px rgba(56,189,248,.11);
  background:#0f1727;
}
.actions{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;
}
.btn{
  border:none;border-radius:12px;padding:12px 18px;
  cursor:pointer;font-size:14px;font-weight:600;
  transition:transform .26s var(--ease-premium),background .26s var(--ease-premium),border-color .26s var(--ease-premium),color .26s var(--ease-premium), box-shadow .26s var(--ease-premium), background-position .36s var(--ease-premium);
}
.btn:hover{transform:translateY(-1px) scale(1.015)}
.btn-primary{
  position:relative;
  overflow:hidden;
  color:#fff;
  background:linear-gradient(135deg,#4f73d9 0%,#557edb 55%,#7056c7 100%);
  background-size:160% 160%;
  box-shadow:0 8px 20px rgba(32,63,140,.18);
}
.btn-primary:hover{
  transform:translateY(-1px) scale(1.015);
  background-position:100% 50%;
  box-shadow:
    0 12px 26px rgba(40,73,160,.25),
    0 0 0 1px rgba(139,92,246,.12),
    0 0 24px rgba(91,140,255,.10);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  color:var(--ink-2);
}
.btn-ghost:hover{
  background:
    linear-gradient(135deg,rgba(91,140,255,.08),rgba(139,92,246,.05)),
    rgba(255,255,255,.07);
  border-color:rgba(91,140,255,.24);
  color:var(--ink);
  box-shadow:0 10px 22px rgba(2,6,23,.12);
}
.result{
  margin-top:18px;padding:0 18px;
  border:1px solid rgba(91,140,255,.18);
  border-radius:18px;
  background:linear-gradient(180deg,rgba(91,140,255,.12),rgba(28,38,56,.76));
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .28s ease,opacity .22s ease,padding .22s ease;
}
.result.show{
  max-height:520px;opacity:1;padding:18px;
}
.result h4{
  margin:0 0 12px;font-size:12px;color:rgba(220,233,255,.72);
  text-transform:uppercase;letter-spacing:.08em;font-weight:700;
}
.result-rows{display:flex;flex-direction:column;gap:10px}
.result-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  font-size:14px;
}
.result-row .v{font-weight:600;color:var(--ink);text-align:right}
.result-row.main{
  margin-top:4px;padding-top:12px;border-top:1px solid rgba(91,140,255,.16);
  font-size:15px;
}
.result-row.main .v{
  color:#cfe1ff;font-size:20px;letter-spacing:-.02em;
}
.copy-btn{
  margin-top:14px;border:none;background:none;padding:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:#a9c4ff;
}

.about-page .hero{
  padding-bottom:18px;
}
.about-hero-shell{
  max-width:740px;
  padding:18px;
}
.about-hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.about-stat,
.about-highlight-badge{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(11,18,32,.52);
  box-shadow:var(--shadow-sm);
}
.about-stat{
  padding:18px 14px;
}
.about-stat strong{
  display:block;
  font-size:28px;
  line-height:1;
  letter-spacing:-.03em;
  color:#f8fbff;
}
.about-stat span{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--muted);
}
.about-section{
  padding:18px 0 26px;
}
.about-copy{
  background:rgba(28,38,56,.68);
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:var(--shadow-sm);
}
.prose-block p + p{
  margin-top:16px;
}
.about-highlight{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:22px;
  background:
    linear-gradient(135deg,rgba(91,140,255,.10),rgba(34,197,94,.08)),
    rgba(28,38,56,.76);
  box-shadow:var(--shadow-md);
}
.about-highlight h2,
.about-cta h2,
.about-seo-card h3,
.about-mini-card h3{
  margin:0 0 8px;
}
.about-highlight p,
.about-cta p,
.about-seo-card p{
  margin:0;
  color:var(--muted);
}
.about-highlight-badge{
  padding:16px 18px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  color:#dce9ff;
  white-space:nowrap;
}
.about-category-grid,
.about-tools-grid,
.about-benefit-grid{
  align-items:stretch;
}
.about-category-card,
.about-tool-card,
.about-mini-card{
  min-height:100%;
}
.about-category-card .icon{
  font-weight:800;
  font-size:18px;
}
.about-tool-card{
  text-decoration:none;
}
.about-tool-card .open-btn{
  white-space:nowrap;
}
.about-seo-stack{
  display:grid;
  gap:16px;
}
.about-seo-card{
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:20px;
  background:rgba(28,38,56,.72);
  box-shadow:var(--shadow-sm);
}
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(28,38,56,.74);
  box-shadow:var(--shadow-sm);
  padding:0 18px;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 0;
  font-weight:700;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item p{
  margin:0;
  padding:0 0 18px;
  color:var(--muted);
}
.about-cta-section{
  padding-bottom:38px;
}
.about-cta{
  text-align:center;
  padding:30px 24px;
  border:1px solid var(--line);
  border-radius:24px;
  background:
    radial-gradient(420px 180px at 50% 0%, rgba(91,140,255,.18), transparent 70%),
    linear-gradient(180deg,rgba(28,38,56,.88),rgba(20,29,46,.84));
  box-shadow:var(--shadow-md);
}
.about-cta .btn{
  margin-top:18px;
}

.contact-grid{
    max-width:900px;
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
}

@media (max-width:980px){
  .popular-grid,.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-band{grid-template-columns:1fr}
  .quick-tools{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{max-width:none}
  .about-hero-stats{grid-template-columns:1fr}
  .about-highlight{grid-template-columns:1fr}
}
@media (max-width:760px){
  .container{padding:0 18px}
  .site-header{padding-top:10px}
  .nav-shell{
    padding:10px 14px;
    gap:14px;
  }
  .site-header .brand-mark{width:40px;height:40px}
  .brand-sub{font-size:10.5px}
  .nav-area{gap:10px}
  .nav-links{display:none}
  .nav-search-btn{display:none}
  .hamburger{display:flex}
  .mobile-menu-overlay{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(3,8,20,.52);
    backdrop-filter:blur(12px) saturate(120%);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s var(--ease-premium);
    z-index:80;
  }
  .mobile-menu{
    display:block;
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:90;
  }
  .mobile-menu-panel{
    position:absolute;
    top:0;
    right:0;
    width:min(300px,85vw);
    max-width:85vw;
    height:100vh;
    padding:18px 16px 18px;
    display:flex;
    flex-direction:column;
    gap:18px;
    background:
      linear-gradient(180deg,rgba(21,31,49,.82),rgba(12,18,31,.9)),
      rgba(15,23,42,.78);
    border-left:1px solid rgba(148,163,184,.2);
    box-shadow:-18px 0 40px rgba(2,6,23,.34);
    backdrop-filter:blur(22px) saturate(135%);
    transform:translateX(104%);
    transition:transform .3s var(--ease-premium), box-shadow .3s var(--ease-premium);
    pointer-events:auto;
  }
  body.mobile-menu-open .mobile-menu-overlay{
    opacity:1;
    pointer-events:auto;
  }
  body.mobile-menu-open .mobile-menu-panel{
    transform:translateX(0);
  }
  .mobile-menu-head{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:14px;
    padding-bottom:14px;
    border-bottom:1px solid rgba(148,163,184,.14);
  }
  .mobile-menu-brand{
    display:grid;
    gap:12px;
  }
  .mobile-menu-brand .brand{
    width:100%;
  }
  .mobile-menu-brand strong{
    font-size:20px;
    line-height:1.1;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  .mobile-menu-close{
    border:1px solid rgba(148,163,184,.16);
    background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
    color:var(--ink);
    width:42px;
    height:42px;
    border-radius:14px;
    display:grid;
    place-items:center;
    box-shadow:0 12px 24px rgba(2,6,23,.18);
  }
  .mobile-menu-close svg{
    width:18px;
    height:18px;
  }
  .mobile-menu-links{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .mobile-menu-links a{
    display:flex;
    align-items:center;
    gap:12px;
    width:100%;
    padding:14px 15px;
    border-radius:16px;
    border:1px solid rgba(148,163,184,.12);
    color:var(--ink);
    text-decoration:none;
    background:
      linear-gradient(135deg,rgba(91,140,255,.14),rgba(139,92,246,.08)),
      rgba(255,255,255,.03);
    box-shadow:0 10px 24px rgba(2,6,23,.12);
    transition:transform .28s var(--ease-premium), border-color .28s var(--ease-premium), background .28s var(--ease-premium), box-shadow .28s var(--ease-premium);
  }
  .mobile-menu-links a:hover{
    transform:translateX(6px);
    border-color:rgba(103,232,249,.2);
    background:
      linear-gradient(135deg,rgba(91,140,255,.18),rgba(139,92,246,.12)),
      rgba(255,255,255,.05);
    box-shadow:0 12px 28px rgba(2,6,23,.14), 0 0 0 1px rgba(91,140,255,.08);
  }
  .mobile-menu-link-icon{
    width:40px;
    height:40px;
    border-radius:12px;
    display:grid;
    place-items:center;
    color:#dce9ff;
    background:linear-gradient(135deg,rgba(91,140,255,.24),rgba(139,92,246,.16));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    flex-shrink:0;
  }
  .mobile-menu-link-icon svg{
    width:18px;
    height:18px;
  }
  .mobile-menu-note{
    margin-top:auto;
    padding:16px;
    border-radius:18px;
    border:1px solid rgba(148,163,184,.12);
    background:
      linear-gradient(135deg,rgba(103,232,249,.1),rgba(91,140,255,.08)),
      rgba(255,255,255,.03);
    box-shadow:0 12px 28px rgba(2,6,23,.16);
  }
  .mobile-menu-note strong{
    display:block;
    margin-bottom:6px;
    color:var(--ink);
    font-size:16px;
  }
  .mobile-menu-note p{
    margin:0;
    color:var(--muted);
    font-size:13px;
    line-height:1.5;
  }
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero{padding:30px 0 20px}
  .search-shell{padding:12px}
  .shortcut-hint{font-size:11px;padding:5px 8px}
  .modal-head,.modal-body{padding-left:18px;padding-right:18px}
  .about-copy,
  .about-highlight,
  .about-seo-card,
  .about-cta{padding:20px 18px}
}
@media (max-width:620px){
  .popular-grid,.grid,.quick-tools{grid-template-columns:1fr}
  .section-head h2{font-size:21px}
  .search input{padding-right:92px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .shortcut-desktop{display:none}
  .shortcut-mobile{display:inline}
  .nav-shell{
    border-radius:14px;
    padding:9px 12px;
  }
  .site-header .brand{font-size:17px}
  .site-header .brand-mark{width:38px;height:38px}
  .modal{
    align-items:center;
    padding:16px 12px;
  }
  .modal-card{max-height:calc(100vh - 32px)}
  .about-stat strong{font-size:24px}
  .about-highlight-badge{font-size:16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body{opacity:1;animation:none}
  *,*::before,*::after{
    animation:none !important;
    transition:none !important;
  }
}