:root {
--c-bg: #0a0e1a;
--c-surface: #111827;
--c-surface2: #1a2235;
--c-surface3: #1f2d45;
--c-border: rgba(99,130,190,0.18);
--c-border-hover: rgba(99,178,255,0.4);
--c-accent: #3b82f6;
--c-accent2: #06b6d4;
--c-accent3: #8b5cf6;
--c-text: #e8edf8;
--c-muted: #7a90b4;
--c-dim: #3d526e;
--c-white: #ffffff;
--c-green: #10b981;
--c-amber: #f59e0b;
--c-rose: #f43f5e;
--font-head: 'Syne', sans-serif;
--font-body: 'DM Sans', sans-serif;
--radius: 12px;
--radius-lg: 18px;
--radius-xl: 24px;
--nav-h: 64px;
--shadow: 0 2px 20px rgba(0,0,0,0.35);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
font-family: var(--font-body);
background: var(--c-bg);
color: var(--c-text);
line-height: 1.65;
font-size: 16px;
overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; }
  #cookie-banner {
position: fixed; bottom: 0; left: 0; right: 0;
background: var(--c-surface);
border-top: 1px solid var(--c-border);
padding: 14px 24px;
display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
z-index: 9999;
font-size: 13.5px; color: var(--c-muted);
  }
  #cookie-banner span { flex: 1; min-width: 220px; }
  #cookie-banner a { color: var(--c-accent); text-decoration: underline; }
  #cookie-dismiss {
background: var(--c-accent); color: #fff; border: none;
padding: 8px 20px; border-radius: 8px; cursor: pointer;
font-size: 13px; font-family: var(--font-body); font-weight: 500;
white-space: nowrap; flex-shrink: 0;
  }
  #cookie-dismiss:hover { background: #2563eb; }
  #cookie-banner.hidden { display: none; }
  nav {
position: sticky; top: 0; z-index: 900;
background: rgba(10,14,26,0.92);
backdrop-filter: blur(14px);
border-bottom: 1px solid var(--c-border);
height: var(--nav-h);
display: flex; align-items: center;
  }
  .nav-inner {
max-width: 1280px; margin: 0 auto;
padding: 0 24px;
display: flex; align-items: center; gap: 4px;
width: 100%;
  }
  .nav-logo {
font-family: var(--font-head); font-size: 17px; font-weight: 700;
color: var(--c-white); margin-right: 12px; white-space: nowrap; flex-shrink: 0;
display: flex; align-items: center; gap: 8px;
  }
  .nav-logo-icon {
width: 30px; height: 30px; border-radius: 8px;
background: linear-gradient(135deg, var(--c-accent), var(--c-accent3));
display: flex; align-items: center; justify-content: center;
font-size: 15px;
  }
  .nav-links { display: flex; align-items: center; gap: 2px; flex: 1; }
  .nav-item { position: relative; }
  .nav-item > a, .nav-btn {
padding: 7px 12px; border-radius: 8px; font-size: 13.5px;
color: var(--c-muted); cursor: pointer;
display: flex; align-items: center; gap: 5px;
transition: background .15s, color .15s;
background: none; border: none; font-family: var(--font-body);
white-space: nowrap;
  }
  .nav-item > a:hover, .nav-btn:hover { background: var(--c-surface); color: var(--c-text); }
  .nav-btn svg { width: 11px; height: 11px; opacity: .6; transition: transform .2s; }
  .nav-item:hover .nav-btn svg { transform: rotate(180deg); }
  .dropdown {
position: absolute; top: calc(100% + 8px); left: 0;
background: var(--c-surface); border: 1px solid var(--c-border);
border-radius: var(--radius); padding: 8px;
min-width: 480px; opacity: 0; visibility: hidden;
transform: translateY(-6px); transition: all .18s;
box-shadow: var(--shadow);
  }
  .nav-item:hover .dropdown,
  .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
  .dropdown-grid {
display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  }
  .dropdown-item {
display: flex; align-items: flex-start; gap: 10px;
padding: 9px 12px; border-radius: 8px; font-size: 13px;
transition: background .12s;
  }
  .dropdown-item:hover { background: var(--c-surface2); }
  .di-icon {
width: 28px; height: 28px; border-radius: 7px; flex-shrink: 0;
display: flex; align-items: center; justify-content: center; font-size: 13px;
background: var(--c-surface3);
  }
  .di-text { line-height: 1.3; }
  .di-title { font-size: 12.5px; color: var(--c-text); font-weight: 500; }
  .di-sub { font-size: 11px; color: var(--c-muted); }
  .nav-cta {
margin-left: auto;
display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  }
  .nav-cta-btn {
padding: 7px 14px; border-radius: 8px; font-size: 12.5px; font-weight: 500;
border: 1px solid var(--c-border); color: var(--c-muted);
background: transparent; cursor: pointer; transition: all .15s;
font-family: var(--font-body); white-space: nowrap;
  }
  .nav-cta-btn:hover { border-color: var(--c-border-hover); color: var(--c-text); background: var(--c-surface); }
  .ham { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
  .ham span { display: block; width: 20px; height: 1.5px; background: var(--c-muted); margin: 5px 0; transition: all .2s; }
  .mobile-menu {
display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
background: var(--c-bg); z-index: 800; overflow-y: auto; padding: 16px;
  }
  .mobile-menu.open { display: block; }
  .mobile-section { margin-bottom: 20px; }
  .mobile-section h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--c-dim); padding: 8px 12px; }
  .mobile-link { display: block; padding: 10px 12px; border-radius: 8px; color: var(--c-muted); font-size: 14px; }
  .mobile-link:hover { background: var(--c-surface); color: var(--c-text); }
  .hero {
position: relative; overflow: hidden;
padding: 96px 24px 80px;
text-align: center;
  }
  .hero-bg {
position: absolute; inset: 0; pointer-events: none; z-index: 0;
background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.15) 0%, transparent 70%),
radial-gradient(ellipse 50% 40% at 80% 60%, rgba(139,92,246,0.08) 0%, transparent 60%);
  }
  .hero-grid-lines {
position: absolute; inset: 0; z-index: 0; opacity: .04;
background-image: linear-gradient(var(--c-accent) 1px, transparent 1px),
  linear-gradient(90deg, var(--c-accent) 1px, transparent 1px);
background-size: 48px 48px;
  }
  .hero-inner { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
  .hero-badge {
display: inline-flex; align-items: center; gap: 7px;
background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3);
border-radius: 99px; padding: 5px 14px;
font-size: 12px; color: var(--c-accent); margin-bottom: 24px; letter-spacing: .03em;
  }
  .hero-badge-dot { width: 6px; height: 6px; background: var(--c-accent); border-radius: 50%; animation: pulse 2s infinite; }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
  .hero h1 {
font-family: var(--font-head); font-size: clamp(32px, 5vw, 58px); font-weight: 800;
line-height: 1.1; letter-spacing: -.02em; color: var(--c-white); margin-bottom: 20px;
  }
  .hero h1 span { background: linear-gradient(90deg, var(--c-accent), var(--c-accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
  .hero-sub { font-size: 17px; color: var(--c-muted); max-width: 580px; margin: 0 auto 36px; line-height: 1.7; font-weight: 300; }
  .hero-stats {
display: flex; align-items: center; justify-content: center; gap: 36px;
flex-wrap: wrap; margin-top: 40px;
  }
  .hero-stat { text-align: center; }
  .hero-stat-val { font-family: var(--font-head); font-size: 26px; font-weight: 700; color: var(--c-white); }
  .hero-stat-lbl { font-size: 12px; color: var(--c-muted); margin-top: 2px; }
  .hero-stat-sep { width: 1px; height: 36px; background: var(--c-border); }
  .section { padding: 72px 24px; max-width: 1280px; margin: 0 auto; }
  .section-title {
font-family: var(--font-head); font-size: clamp(22px, 3vw, 30px); font-weight: 700;
color: var(--c-white); margin-bottom: 8px;
  }
  .section-sub { color: var(--c-muted); font-size: 15px; margin-bottom: 36px; }
  .section-divider { width: 40px; height: 3px; border-radius: 2px; background: var(--c-accent); margin-bottom: 16px; }
  .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
  .feature-card {
background: var(--c-surface); border: 1px solid var(--c-border);
border-radius: var(--radius-lg); padding: 24px; transition: border-color .2s, transform .2s;
  }
  .feature-card:hover { border-color: var(--c-border-hover); transform: translateY(-2px); }
  .feature-icon {
width: 44px; height: 44px; border-radius: 12px; margin-bottom: 14px;
display: flex; align-items: center; justify-content: center; font-size: 20px;
  }
  .feature-card h3 { font-size: 15px; font-weight: 600; color: var(--c-white); margin-bottom: 6px; }
  .feature-card p { font-size: 13.5px; color: var(--c-muted); line-height: 1.6; }
  .filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
  .filter-btn {
padding: 7px 16px; border-radius: 99px; font-size: 13px;
border: 1px solid var(--c-border); color: var(--c-muted);
background: transparent; cursor: pointer; font-family: var(--font-body);
transition: all .15s;
  }
  .filter-btn:hover, .filter-btn.active {
background: var(--c-accent); border-color: var(--c-accent);
color: #fff;
  }
  .tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
  .tool-card {
background: var(--c-surface); border: 1px solid var(--c-border);
border-radius: var(--radius-lg); overflow: hidden;
transition: border-color .2s, transform .2s, box-shadow .2s;
display: flex; flex-direction: column;
  }
  .tool-card:hover {
border-color: var(--c-border-hover);
transform: translateY(-3px);
box-shadow: 0 8px 32px rgba(59,130,246,0.1);
  }
  .tool-card-header {
padding: 20px 20px 0;
display: flex; align-items: center; gap: 14px;
  }
  .tool-thumb {
width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0;
display: flex; align-items: center; justify-content: center; font-size: 22px;
position: relative; overflow: hidden;
  }
  .tool-thumb-bg {
position: absolute; inset: 0; opacity: .15;
  }
  .tool-thumb-icon { position: relative; z-index: 1; }
  .tool-card-meta { flex: 1; min-width: 0; }
  .tool-badge {
font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
padding: 2px 8px; border-radius: 99px; display: inline-block; margin-bottom: 4px;
  }
  .badge-editor { background: rgba(139,92,246,0.15); color: #a78bfa; }
  .badge-convert { background: rgba(6,182,212,0.15); color: #22d3ee; }
  .badge-modern { background: rgba(16,185,129,0.15); color: #34d399; }
  .badge-legacy { background: rgba(245,158,11,0.15); color: #fbbf24; }
  .badge-raw { background: rgba(244,63,94,0.15); color: #fb7185; }
  .badge-compress { background: rgba(59,130,246,0.15); color: #60a5fa; }
  .badge-social { background: rgba(236,72,153,0.15); color: #f472b6; }
  .badge-seo { background: rgba(52,211,153,0.15); color: #34d399; }
  .badge-pdf { background: rgba(251,146,60,0.15); color: #fb923c; }
  .badge-3d { background: rgba(167,139,250,0.15); color: #a78bfa; }
  .tool-card h3 {
font-size: 14px; font-weight: 600; color: var(--c-white); white-space: nowrap;
overflow: hidden; text-overflow: ellipsis;
  }
  .tool-card-body { padding: 12px 20px 20px; flex: 1; display: flex; flex-direction: column; }
  .tool-desc { font-size: 13px; color: var(--c-muted); line-height: 1.6; flex: 1; margin-bottom: 16px; }
  .tool-link {
display: inline-flex; align-items: center; gap: 6px;
background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.25);
color: var(--c-accent); padding: 8px 16px; border-radius: 8px;
font-size: 13px; font-weight: 500; transition: all .15s;
align-self: flex-start;
  }
  .tool-link:hover { background: rgba(59,130,246,0.2); border-color: rgba(59,130,246,0.5); }
  .tool-link svg { width: 13px; height: 13px; }
  .tool-card[data-cat="hidden"] { display: none; }
  .cta-strip {
background: var(--c-surface); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border);
padding: 48px 24px;
  }
  .cta-inner { max-width: 1280px; margin: 0 auto; }
  .cta-inner h2 { font-family: var(--font-head); font-size: clamp(20px, 3vw, 28px); font-weight: 700; color: var(--c-white); margin-bottom: 8px; }
  .cta-inner p { color: var(--c-muted); margin-bottom: 24px; }
  .cta-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
  .cta-btn {
display: inline-flex; align-items: center; gap: 7px;
padding: 10px 18px; border-radius: var(--radius); font-size: 13.5px; font-weight: 500;
border: 1px solid var(--c-border); color: var(--c-muted);
background: var(--c-surface2); cursor: pointer; transition: all .15s;
font-family: var(--font-body);
  }
  .cta-btn:hover { border-color: var(--c-border-hover); color: var(--c-text); background: var(--c-surface3); }
  .cta-btn.primary { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
  .cta-btn.primary:hover { background: #2563eb; }
  .cta-btn-icon { font-size: 15px; }
  .seo-article {
background: var(--c-surface); border-radius: var(--radius-xl);
padding: 40px; border: 1px solid var(--c-border);
margin-bottom: 0;
  }
  .seo-article h2 { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--c-white); margin-bottom: 14px; }
  .seo-article p { font-size: 15px; color: var(--c-muted); line-height: 1.8; margin-bottom: 14px; }
  .seo-article p:last-child { margin-bottom: 0; }
  .seo-article strong { color: var(--c-text); font-weight: 500; }
  .disclaimer {
background: rgba(245,158,11,0.06); border: 1px solid rgba(245,158,11,0.2);
border-radius: var(--radius); padding: 16px 20px; font-size: 13px; color: var(--c-muted);
line-height: 1.6;
  }
  footer {
background: var(--c-surface); border-top: 1px solid var(--c-border);
padding: 56px 24px 24px;
  }
  .footer-inner { max-width: 1280px; margin: 0 auto; }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-logo {
font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--c-white);
display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  }
  .footer-desc { font-size: 13.5px; color: var(--c-muted); line-height: 1.7; max-width: 280px; }
  .footer-col h4 {
font-size: 12px; text-transform: uppercase; letter-spacing: .07em;
color: var(--c-dim); margin-bottom: 14px; font-weight: 600;
  }
  .footer-col a { display: block; font-size: 13.5px; color: var(--c-muted); padding: 4px 0; transition: color .15s; }
  .footer-col a:hover { color: var(--c-accent); }
  .footer-tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 16px; }
  .footer-bottom {
border-top: 1px solid var(--c-border); padding-top: 20px;
display: flex; align-items: center; justify-content: space-between;
flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--c-dim);
  }
  .loading-spinner {
display: flex; justify-content: center; padding: 40px;
color: var(--c-muted); font-size: 14px;
  }
  .loading-spinner::after {
content: ''; width: 24px; height: 24px; margin-left: 12px;
border: 2px solid var(--c-border); border-top-color: var(--c-accent);
border-radius: 50%; animation: spin 0.8s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  @media (max-width: 900px) {
.nav-links { display: none; }
.nav-cta { display: none; }
.ham { display: block; margin-left: auto; }
.footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 600px) {
.hero { padding: 64px 16px 56px; }
.section { padding: 48px 16px; }
.hero-stats { gap: 20px; }
.hero-stat-sep { display: none; }
.footer-grid { grid-template-columns: 1fr; }
.seo-article { padding: 24px; }
.tools-grid { grid-template-columns: 1fr; }
  }