/* ==========================================================================
   Aimactok — Global Design System
   Extracted from aimactok-备份.html · deduplicated + cross-page layout classes
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --cyan: #00f5ff;
  --orange: #ff6600;
  --bg: #000;
  --border-dim: rgba(0, 51, 68, 0.6);
  --border-mid: rgba(0, 245, 255, 0.3);
  --cyan-90: rgba(0, 245, 255, 0.95);
  --orange-30: rgba(255, 102, 0, 0.3);
  --ink-08: rgba(0, 0, 0, 0.85);
  --ink-04: rgba(0, 0, 0, 0.4);
  --nav-h: 64px;
  --max-w: 1280px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--cyan);
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
}
::selection { background: var(--orange); color: #000; }

a { color: inherit; text-decoration: none; }

/* ---------- Scanlines (ambient overlay) ---------- */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
  animation: scanlines 0.1s linear infinite;
}
@keyframes scanlines { 0% { transform: translateY(0) } 100% { transform: translateY(4px) } }

/* ---------- Top Nav ---------- */
.top-nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.top-nav-inner { max-width: var(--max-w); width: 100%; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-family: 'Bebas Neue', cursive; font-size: 1.4rem; letter-spacing: 4px;
  color: var(--cyan); display: flex; align-items: center; gap: 10px;
  text-shadow: 0 0 10px rgba(0,245,255,0.3);
}
.nav-logo .dot { width: 8px; height: 8px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 8px var(--orange); animation: dotPulse 2s ease-in-out infinite; }
@keyframes dotPulse { 0%,100% { opacity: 1; transform: scale(1) } 50% { opacity: 0.5; transform: scale(1.3) } }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-family: 'Chakra Petch', sans-serif; font-size: 0.82rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--cyan-90); transition: color 0.2s ease; position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--cyan); transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--cyan); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta-btn {
  padding: 8px 20px; border: 1px solid var(--cyan); background: transparent;
  color: var(--cyan); font-family: 'Chakra Petch', sans-serif; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; cursor: crosshair;
  transition: all 0.3s ease;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}
.nav-cta-btn:hover { background: rgba(0,245,255,0.1); box-shadow: 0 0 20px rgba(0,245,255,0.3); }
.nav-mobile-toggle {
  display: none; background: transparent; border: 1px solid var(--border-mid);
  color: var(--cyan); padding: 8px 14px; cursor: crosshair;
  font-family: 'Bebas Neue', cursive; letter-spacing: 1px; font-size: 0.9rem;
}

/* ---------- 3D Grid + Scan Beam (hero ambient) ---------- */
.grid-perspective {
  perspective: 800px; perspective-origin: 50% 60%;
  transform-style: preserve-3d; position: absolute; bottom: 0; left: 0; right: 0;
  height: 70%; overflow: hidden;
}
.grid-floor {
  position: absolute; width: 300%; height: 200%; left: -100%; bottom: -20%;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 29px, #003344 29px, #003344 30px),
    repeating-linear-gradient(90deg, transparent, transparent 29px, #003344 29px, #003344 30px);
  background-size: 30px 30px;
  transform: rotateX(65deg) scale(1.8);
  transform-origin: center bottom;
  animation: gridPulse 8s ease-in-out infinite;
  will-change: transform;
}
@keyframes gridPulse { 0%,100% { opacity: 0.6 } 50% { opacity: 0.85 } }
.grid-fade { position: absolute; bottom: 0; left: 0; right: 0; height: 40%; background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.9)); pointer-events: none; }
.grid-horizon { position: absolute; top: 28%; left: 10%; right: 10%; height: 120px; background: radial-gradient(ellipse at center, rgba(0,245,255,0.08) 0%, transparent 70%); pointer-events: none; }
.scan-beam {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,245,255,0.6), var(--cyan), rgba(0,245,255,0.6), transparent);
  box-shadow: 0 0 20px rgba(0,245,255,0.5), 0 0 60px rgba(0,245,255,0.2);
  animation: scanBeam 4s ease-in-out infinite; z-index: 10; pointer-events: none;
}
@keyframes scanBeam { 0% { top: 10% } 50% { top: 75% } 100% { top: 10% } }

/* ---------- Data Packets ---------- */
.data-packet {
  position: absolute; width: 6px; height: 6px;
  background: var(--orange); border-radius: 50%;
  box-shadow: 0 0 8px var(--orange), 0 0 20px var(--orange);
  z-index: 11; pointer-events: none;
}
.data-packet::after {
  content: ''; position: absolute; width: 30px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,102,0,0.5));
  top: 50%; right: 100%; transform: translateY(-50%);
}
.packet-1 { animation: packetMove1 5s ease-in-out infinite; }
.packet-2 { animation: packetMove2 4s ease-in-out infinite; }
.packet-3 { animation: packetMove3 6s ease-in-out infinite; }
.packet-4 { animation: packetMove4 3.5s ease-in-out infinite; }
.packet-5 { animation: packetMove5 5.5s ease-in-out infinite; }
.packet-6 { animation: packetMove6 4.5s ease-in-out infinite; }
.packet-7 { animation: packetMove7 6.5s ease-in-out infinite; }
.packet-8 { animation: packetMove8 3s ease-in-out infinite; }
@keyframes packetMove1 { 0%{left:10%;top:30%;opacity:0} 10%{opacity:1} 40%{left:50%;top:50%} 80%{left:85%;top:40%} 90%{opacity:1} 100%{left:95%;top:35%;opacity:0} }
@keyframes packetMove2 { 0%{left:80%;top:25%;opacity:0} 10%{opacity:1} 40%{left:40%;top:55%} 80%{left:15%;top:35%} 90%{opacity:1} 100%{left:5%;top:30%;opacity:0} }
@keyframes packetMove3 { 0%{left:5%;top:70%;opacity:0} 15%{opacity:1} 50%{left:55%;top:20%} 85%{opacity:1} 100%{left:90%;top:15%;opacity:0} }
@keyframes packetMove4 { 0%{left:70%;top:65%;opacity:0} 10%{opacity:1} 45%{left:25%;top:30%} 85%{opacity:1} 100%{left:10%;top:20%;opacity:0} }
@keyframes packetMove5 { 0%{left:20%;top:80%;opacity:0} 15%{opacity:1} 50%{left:70%;top:15%} 85%{opacity:1} 100%{left:85%;top:10%;opacity:0} }
@keyframes packetMove6 { 0%{left:90%;top:60%;opacity:0} 10%{opacity:1} 40%{left:35%;top:25%} 80%{left:15%;top:45%} 90%{opacity:1} 100%{left:5%;top:40%;opacity:0} }
@keyframes packetMove7 { 0%{left:45%;top:85%;opacity:0} 15%{opacity:1} 50%{left:55%;top:20%} 85%{opacity:1} 100%{left:60%;top:10%;opacity:0} }
@keyframes packetMove8 { 0%{left:75%;top:75%;opacity:0} 10%{opacity:1} 45%{left:20%;top:20%} 85%{opacity:1} 100%{left:5%;top:15%;opacity:0} }

/* ---------- Globe ---------- */
.globe-container { position: absolute; right: 8%; top: 20%; width: 280px; height: 280px; perspective: 600px; z-index: 5; }
.globe { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; animation: globeSpin 20s linear infinite; }
@keyframes globeSpin { 0% { transform: rotateY(0deg) rotateX(15deg) } 100% { transform: rotateY(360deg) rotateX(15deg) } }
.globe-ring { position: absolute; inset: 0; border: 1px solid rgba(0,245,255,0.4); border-radius: 50%; }
.globe-ring:nth-child(1) { box-shadow: 0 0 15px rgba(0,245,255,0.2), inset 0 0 15px rgba(0,245,255,0.1); }
.globe-lat { position: absolute; left: 0; right: 0; border: 1px solid rgba(0,245,255,0.25); border-radius: 50%; }
.globe-lat:nth-child(2) { top: 20%; bottom: 20%; border-color: rgba(0,245,255,0.2); }
.globe-lat:nth-child(3) { top: 35%; bottom: 35%; border-color: rgba(0,245,255,0.3); }
.globe-lat:nth-child(4) { top: 45%; bottom: 45%; border-color: rgba(255,102,0,0.25); }
.globe-lon { position: absolute; top: 0; bottom: 0; border: 1px solid rgba(0,245,255,0.25); border-radius: 50%; }
.globe-lon:nth-child(5) { left: 20%; right: 20%; transform: rotateY(30deg); }
.globe-lon:nth-child(6) { left: 35%; right: 35%; transform: rotateY(-20deg); border-color: rgba(0,245,255,0.2); }
.globe-lon:nth-child(7) { left: 15%; right: 15%; border-color: rgba(255,102,0,0.2); transform: rotateY(60deg); }
.globe-node { position: absolute; width: 5px; height: 5px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 6px var(--orange), 0 0 12px var(--orange); }
.globe-node:nth-child(8) { top: 15%; left: 45%; }
.globe-node:nth-child(9) { top: 35%; left: 70%; }
.globe-node:nth-child(10) { top: 60%; left: 25%; }
.globe-node:nth-child(11) { top: 75%; left: 60%; }

/* ---------- Hero ---------- */
#hero { position: relative; min-height: 100vh; overflow: hidden; display: flex; align-items: center; justify-content: center; padding-top: var(--nav-h); }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 30%, rgba(0,245,255,0.06) 0%, transparent 60%); }
.hero-content { position: relative; z-index: 20; text-align: center; max-width: 900px; padding: 40px 24px; }
.hero-badge {
  display: inline-block; border: 1px solid rgba(0,245,255,0.4);
  padding: 6px 18px; margin-bottom: 32px;
  font-family: 'Chakra Petch', sans-serif; font-size: 0.85rem; font-weight: 700;
  letter-spacing: 4px; text-transform: uppercase; color: rgba(0,245,255,0.98);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  animation: badgeGlow 3s ease-in-out infinite;
}
@keyframes badgeGlow { 0%,100% { box-shadow: 0 0 5px rgba(0,245,255,0.1); border-color: rgba(0,245,255,0.3) } 50% { box-shadow: 0 0 20px rgba(0,245,255,0.3); border-color: rgba(0,245,255,0.6) } }
h1 { font-family: 'Bebas Neue', cursive; font-size: clamp(3rem, 8vw, 7rem); letter-spacing: 8px; line-height: 1; color: var(--cyan); text-shadow: 0 0 40px rgba(0,245,255,0.3), 0 0 80px rgba(0,245,255,0.1); margin-bottom: 12px; }
h1 .accent { color: var(--orange); text-shadow: 0 0 30px rgba(255,102,0,0.4); }
.hero-line { width: 60%; height: 1px; margin: 24px auto; background: linear-gradient(90deg, transparent, rgba(0,245,255,0.6), transparent); position: relative; }
.hero-line::before, .hero-line::after { content: ''; position: absolute; top: -3px; width: 7px; height: 7px; border: 1px solid var(--cyan); transform: rotate(45deg); }
.hero-line::before { left: -2px; } .hero-line::after { right: -2px; }
.subheadline { font-family: 'Chakra Petch', sans-serif; font-size: 1.1rem; font-weight: 500; color: var(--cyan-90); max-width: 600px; margin: 0 auto 40px; letter-spacing: 1px; min-height: 3.2em; }
.hero-stats { display: flex; justify-content: center; gap: 40px; margin-bottom: 48px; flex-wrap: wrap; }
.stat-box { border: 1px solid rgba(0,51,68,0.8); padding: 16px 28px; position: relative; background: rgba(0,0,0,0.6); clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.stat-box::before { content: ''; position: absolute; inset: -1px; border: 1px solid rgba(0,245,255,0.1); clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); pointer-events: none; }
.stat-value { font-family: 'Bebas Neue', cursive; font-size: 2.5rem; color: var(--orange); line-height: 1; text-shadow: 0 0 15px rgba(255,102,0,0.3); }
.stat-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 3px; color: var(--cyan-90); margin-top: 6px; }
.cta-group { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn { font-family: 'Chakra Petch', sans-serif; font-size: 0.9rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; padding: 14px 36px; cursor: crosshair; transition: all 0.3s ease; position: relative; text-decoration: none; display: inline-block; }
.btn-primary { background: transparent; color: var(--cyan); border: 1px solid var(--cyan); clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.btn-primary:hover { background: rgba(0,245,255,0.1); box-shadow: 0 0 30px rgba(0,245,255,0.3), inset 0 0 30px rgba(0,245,255,0.1); }
.btn-secondary { background: transparent; color: var(--orange); border: 1px solid var(--orange); clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.btn-secondary:hover { background: rgba(255,102,0,0.1); box-shadow: 0 0 30px rgba(255,102,0,0.3), inset 0 0 30px rgba(255,102,0,0.1); }

/* ---------- Section Commons ---------- */
.section { position: relative; padding: 100px 24px; overflow: hidden; }
.section-label { font-family: 'Chakra Petch', sans-serif; font-size: 0.75rem; font-weight: 700; letter-spacing: 6px; text-transform: uppercase; color: var(--cyan-90); text-align: center; margin-bottom: 16px; }
.section-title { font-family: 'Bebas Neue', cursive; font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: 4px; text-align: center; color: var(--cyan); margin-bottom: 16px; text-shadow: 0 0 20px rgba(0,245,255,0.2); }
.section-title .accent { color: var(--orange); }
.section-subtitle { text-align: center; color: var(--cyan-90); font-weight: 500; font-size: 1.05rem; max-width: 600px; margin: 0 auto 60px; }
.section::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent, transparent 50px, rgba(0,51,68,0.05) 50px, rgba(0,51,68,0.05) 51px); pointer-events: none; }

/* ---------- Page Header (sub-page hero) ---------- */
.page-header { position: relative; padding: 140px 24px 60px; text-align: center; overflow: hidden; border-bottom: 1px solid var(--border-dim); }
.page-header::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(0,245,255,0.06) 0%, transparent 60%); pointer-events: none; }
.page-header h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); margin-bottom: 12px; }
.page-header p { color: var(--cyan-90); max-width: 640px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { max-width: var(--max-w); margin: 0 auto; padding: 16px 24px; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--cyan-90); letter-spacing: 1px; }
.breadcrumb a { color: var(--cyan-90); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { margin: 0 8px; color: var(--orange); }

/* ---------- How Section (Home) ---------- */
#how { border-top: 1px solid rgba(0,51,68,0.3); border-bottom: 1px solid rgba(0,51,68,0.3); }
.how-cards { display: flex; gap: 32px; max-width: 1100px; margin: 0 auto; flex-wrap: wrap; justify-content: center; position: relative; }
.how-cards::before { content: ''; position: absolute; top: 50%; left: 5%; right: 5%; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,245,255,0.3), rgba(0,245,255,0.6), rgba(0,245,255,0.3), transparent); z-index: 0; }
.flow-dot { width: 4px; height: 4px; background: var(--cyan); border-radius: 50%; position: absolute; top: 50%; transform: translateY(-50%); z-index: 1; animation: flowDot 3s linear infinite; box-shadow: 0 0 6px var(--cyan); }
.flow-dot:nth-child(1) { animation-delay: 0s; } .flow-dot:nth-child(2) { animation-delay: 1s; } .flow-dot:nth-child(3) { animation-delay: 2s; }
@keyframes flowDot { 0% { left: 5%; opacity: 0 } 20% { opacity: 1 } 80% { opacity: 1 } 100% { left: 95%; opacity: 0 } }
.card-wire { flex: 1; min-width: 280px; max-width: 340px; border: 1px solid rgba(0,51,68,0.6); padding: 40px 28px; position: relative; z-index: 1; background: rgba(0,0,0,0.5); clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); transition: all 0.4s ease; transform-style: preserve-3d; }
.card-wire:hover { border-color: rgba(0,245,255,0.4); box-shadow: 0 0 30px rgba(0,245,255,0.1), 0 0 60px rgba(0,245,255,0.05); transform: perspective(600px) rotateY(-3deg) translateZ(10px); }
.card-wire::before { content: ''; position: absolute; inset: -1px; border: 1px solid rgba(0,245,255,0.08); clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 8px) 100%, 0 100%, 0 10px); pointer-events: none; }
.card-wire::after { content: ''; position: absolute; width: 20px; height: 20px; top: -1px; right: -1px; border-top: 2px solid var(--orange); border-right: 2px solid var(--orange); }
.card-wire .corner-tl { position: absolute; width: 20px; height: 20px; top: -1px; left: -1px; border-top: 2px solid var(--orange); border-left: 2px solid var(--orange); }
.card-wire .corner-br { position: absolute; width: 20px; height: 20px; bottom: -1px; right: -1px; border-bottom: 2px solid var(--orange); border-right: 2px solid var(--orange); }
.card-wire .corner-bl { position: absolute; width: 20px; height: 20px; bottom: -1px; left: -1px; border-bottom: 2px solid var(--orange); border-left: 2px solid var(--orange); }
.card-step { font-family: 'Bebas Neue', cursive; font-size: 3rem; color: var(--orange-30); line-height: 1; margin-bottom: 12px; }
.card-title { font-family: 'Bebas Neue', cursive; font-size: 1.6rem; letter-spacing: 2px; color: var(--cyan); margin-bottom: 12px; }
.card-desc { font-size: 0.9rem; font-weight: 500; color: var(--cyan-90); line-height: 1.7; }

/* ---------- Proof / Latency ---------- */
#proof { border-bottom: 1px solid rgba(0,51,68,0.3); }
.latency-grid { display: flex; gap: 40px; max-width: 900px; margin: 0 auto 80px; flex-wrap: wrap; justify-content: center; }
.latency-card { flex: 1; min-width: 240px; max-width: 400px; border: 1px solid rgba(0,51,68,0.5); padding: 32px; position: relative; background: rgba(0,0,0,0.4); clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.latency-card.win { border-color: rgba(0,245,255,0.3); }
.latency-label { font-size: 0.78rem; font-weight: 700; letter-spacing: 4px; text-transform: uppercase; color: var(--cyan-90); margin-bottom: 16px; }
.latency-bar-container { height: 4px; background: rgba(0,51,68,0.3); margin-bottom: 12px; position: relative; overflow: visible; }
.latency-bar { height: 100%; background: var(--cyan); position: relative; transition: width 2s ease; }
.latency-bar.slow { background: var(--orange); width: 85%; }
.latency-bar.fast { background: var(--cyan); width: 28%; box-shadow: 0 0 10px rgba(0,245,255,0.5); }
.latency-value { font-family: 'Bebas Neue', cursive; font-size: 2.2rem; color: var(--cyan); line-height: 1; }
.latency-card.win .latency-value { color: var(--orange); }
.latency-detail { font-size: 0.8rem; font-weight: 600; color: var(--cyan-90); margin-top: 6px; }
.latency-arrow { display: flex; align-items: center; font-size: 2rem; color: rgba(0,245,255,0.3); }
.mcp-section { max-width: 800px; margin: 0 auto 80px; }
.mcp-title { font-family: 'Bebas Neue', cursive; font-size: 2rem; letter-spacing: 3px; text-align: center; color: var(--cyan); margin-bottom: 24px; }
.mcp-code { border: 1px solid rgba(0,51,68,0.6); padding: 28px; background: rgba(0,8,16,0.8); position: relative; overflow: hidden; clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); }
.mcp-code::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,245,255,0.4), transparent); animation: mcpScan 3s ease-in-out infinite; }
@keyframes mcpScan { 0%,100% { top: 0 } 50% { top: calc(100% - 1px) } }
.mcp-code pre { font-family: 'JetBrains Mono', 'Chakra Petch', monospace; font-size: 0.85rem; font-weight: 500; color: var(--cyan-90); white-space: pre-wrap; line-height: 1.8; margin: 0; }
.mcp-code .keyword { color: var(--orange); font-weight: 700; }
.mcp-code .string { color: var(--cyan-90); font-weight: 500; }
.mcp-code .comment { color: rgba(0,245,255,0.7); font-weight: 400; }
.mcp-code .punct { color: rgba(0,245,255,0.85); }
.client-tags { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; max-width: 800px; margin: 0 auto 80px; }
.client-tag { padding: 8px 20px; border: 1px solid rgba(0,51,68,0.5); font-size: 0.8rem; font-weight: 600; letter-spacing: 2px; color: var(--cyan-90); transition: all 0.3s ease; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.client-tag:hover { border-color: var(--orange); color: var(--orange); box-shadow: 0 0 15px rgba(255,102,0,0.2); }

/* ---------- Service Cards (logos) ---------- */
.services-grid { display: flex; gap: 24px; max-width: 1000px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.service-card { flex: 1; min-width: 140px; max-width: 200px; text-align: center; padding: 28px 16px; border: 1px solid rgba(0,51,68,0.4); position: relative; transition: all 0.3s ease; background: rgba(0,0,0,0.3); }
.service-card:hover { border-color: rgba(0,245,255,0.3); box-shadow: 0 0 20px rgba(0,245,255,0.08); }
.service-logo { display: block; width: 48px; height: 48px; margin: 0 auto 16px; color: var(--brand-color, var(--cyan)); fill: var(--brand-color, var(--cyan)); filter: drop-shadow(0 0 8px var(--brand-color, var(--cyan))); transition: transform 0.3s ease, filter 0.3s ease; }
.service-logo svg { width: 100%; height: 100%; display: block; fill: currentColor; color: currentColor; }
.service-card:hover .service-logo { transform: scale(1.15); filter: drop-shadow(0 0 16px var(--brand-color, var(--cyan))); }
.service-logo.brand-deepseek { --brand-color: #4D6BFE; }
.service-logo.brand-qwen { --brand-color: #8B5CF6; }
.service-logo.brand-chatglm { --brand-color: #3B82F6; }
.service-logo.brand-kimi { --brand-color: #FFFFFF; }
.service-logo.brand-doubao { --brand-color: #60A5FA; }
.service-logo.brand-zhipu { --brand-color: #22D3EE; }
.service-name { font-family: 'Bebas Neue', cursive; font-size: 1.2rem; letter-spacing: 2px; color: var(--cyan); margin-bottom: 8px; }
.service-desc { font-size: 0.8rem; font-weight: 600; color: var(--cyan-90); }

/* ---------- Tools Directory ---------- */
.tools-directory { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1200px; margin: 0 auto; }
.tool-tile { background: rgba(0,8,12,0.6); border: 1px solid rgba(0,51,68,0.5); padding: 24px 20px; position: relative; transition: all 0.3s ease; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); cursor: crosshair; }
.tool-tile::before { content: ''; position: absolute; top: 0; left: 0; width: 14px; height: 14px; border-top: 1px solid var(--cyan); border-left: 1px solid var(--cyan); }
.tool-tile::after { content: ''; position: absolute; bottom: 0; right: 0; width: 14px; height: 14px; border-bottom: 1px solid var(--orange); border-right: 1px solid var(--orange); }
.tool-tile:hover { border-color: rgba(0,245,255,0.4); background: rgba(0,245,255,0.04); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,245,255,0.08); }
.tool-tile-icon { width: 36px; height: 36px; margin-bottom: 16px; border: 1px solid rgba(0,245,255,0.4); display: flex; align-items: center; justify-content: center; color: var(--cyan); font-size: 18px; position: relative; transition: all 0.3s ease; }
.tool-tile-icon svg { width: 22px; height: 22px; stroke: currentColor; filter: drop-shadow(0 0 4px rgba(0,245,255,0.4)); }
.tool-tile:hover .tool-tile-icon { border-color: var(--orange); color: var(--orange); }
.tool-tile:hover .tool-tile-icon svg { filter: drop-shadow(0 0 6px rgba(255,107,0,0.6)); }
.tool-tile-name { font-family: 'Bebas Neue', cursive; font-size: 1.4rem; letter-spacing: 2px; color: var(--cyan); margin-bottom: 6px; }
.tool-tile-cat { font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); margin-bottom: 8px; font-weight: 700; }
.tool-tile-desc { font-size: 0.85rem; font-weight: 500; color: var(--cyan-90); line-height: 1.6; }
.tool-tile-badge { position: absolute; top: 8px; right: 8px; font-size: 0.6rem; letter-spacing: 1px; text-transform: uppercase; color: var(--orange); border: 1px solid var(--orange); padding: 2px 6px; }

/* ---------- Testimonials ---------- */
.testimonial-section { margin-top: 80px; padding-top: 80px; border-top: 1px solid rgba(0,51,68,0.3); }
.testimonial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.testimonial-card { border: 1px solid rgba(0,51,68,0.5); padding: 28px; background: rgba(0,0,0,0.4); position: relative; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.testimonial-card::before { content: '"'; position: absolute; top: -10px; left: 20px; font-family: 'Bebas Neue', cursive; font-size: 4rem; color: var(--orange); line-height: 1; opacity: 0.5; }
.testimonial-text { font-size: 0.95rem; font-weight: 500; color: var(--cyan-90); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 36px; height: 36px; border: 1px solid var(--cyan); background: rgba(0,245,255,0.1); display: flex; align-items: center; justify-content: center; font-family: 'Bebas Neue', cursive; color: var(--cyan); font-size: 1rem; }
.testimonial-name { font-family: 'Chakra Petch', sans-serif; font-size: 0.9rem; font-weight: 700; color: var(--cyan); margin-bottom: 2px; }
.testimonial-role { font-size: 0.78rem; font-weight: 600; color: var(--cyan-90); letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Pricing ---------- */
.pricing-section { margin-top: 80px; padding-top: 80px; border-top: 1px solid rgba(0,51,68,0.3); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 1400px; margin: 48px auto 0; }
@media (max-width: 1100px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 760px; } }
@media (max-width: 600px)  { .pricing-grid { grid-template-columns: 1fr; max-width: 380px; } }
.pricing-card { border: 1px solid rgba(0,51,68,0.5); padding: 22px 18px; background: rgba(0,0,0,0.4); position: relative; clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); transition: border-color 0.3s, transform 0.3s; display: flex; flex-direction: column; }
.pricing-card:hover { border-color: rgba(0,245,255,0.5); transform: translateY(-4px); }
.pricing-card.featured { border: 1.5px solid var(--orange); background: rgba(255,102,0,0.04); }
.pricing-card.featured:hover { border-color: var(--orange); }
.pricing-badge { position: absolute; top: -18px; right: 14px; background: var(--orange); color: #000; font-family: 'Bebas Neue', cursive; font-size: 0.7rem; letter-spacing: 2px; padding: 3px 10px; box-shadow: 0 0 12px rgba(255,102,0,0.6); clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%); }
.pricing-name { font-family: 'Bebas Neue', cursive; font-size: 1.3rem; letter-spacing: 3px; color: var(--cyan); margin-bottom: 4px; }
.pricing-card.featured .pricing-name { color: var(--orange); }
.pricing-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 2px; }
.pricing-amount-value { font-family: 'Bebas Neue', cursive; font-size: 2.4rem; color: var(--cyan); line-height: 1; }
.pricing-card.featured .pricing-amount-value { color: var(--orange); text-shadow: 0 0 16px rgba(255,102,0,0.5); }
.pricing-period { font-size: 0.7rem; font-weight: 700; color: var(--cyan-90); letter-spacing: 1.5px; }
.pricing-quota { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 600; color: var(--cyan-90); margin-bottom: 2px; }
.pricing-card.featured .pricing-quota { color: var(--orange); }
.pricing-tagline { font-size: 0.7rem; font-weight: 600; color: var(--cyan-90); letter-spacing: 1px; margin-bottom: 14px; text-transform: uppercase; }
.pricing-features { list-style: none; margin: 0 0 16px; padding: 0; border-top: 1px solid rgba(0,51,68,0.4); flex-grow: 1; }
.pricing-features li { font-size: 0.78rem; font-weight: 500; color: var(--cyan-90); padding: 6px 0; border-bottom: 1px solid rgba(0,51,68,0.3); display: flex; align-items: center; gap: 6px; line-height: 1.3; }
.pricing-features li::before { content: '›'; color: var(--cyan); font-weight: 700; flex-shrink: 0; }
.pricing-card.featured .pricing-features li::before { color: var(--orange); }
.pricing-btn { display: block; width: 100%; text-align: center; padding: 9px 6px; font-family: 'Bebas Neue', cursive; font-size: 0.85rem; letter-spacing: 2px; text-decoration: none; transition: all 0.2s; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.pricing-btn.solid { background: transparent; color: var(--orange); border: 1.5px solid var(--orange); }
.pricing-btn.solid:hover { background: var(--orange); color: #000; box-shadow: 0 0 20px rgba(255,102,0,0.5); }
.pricing-btn.outline { background: transparent; color: var(--cyan); border: 1.5px solid var(--cyan); }
.pricing-btn.outline:hover { background: var(--cyan); color: #000; box-shadow: 0 0 20px rgba(0,245,255,0.5); }
.pricing-note { text-align: center; margin-top: 32px; font-size: 0.85rem; font-weight: 600; color: var(--cyan-90); letter-spacing: 2px; }

/* ---------- Final CTA ---------- */
.final-cta { margin-top: 120px; padding: 80px 24px; text-align: center; border-top: 1px solid rgba(0,51,68,0.4); border-bottom: 1px solid rgba(0,51,68,0.4); position: relative; overflow: hidden; background: radial-gradient(ellipse at center, rgba(0,245,255,0.06) 0%, transparent 70%); }
.final-cta::before, .final-cta::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); border: 1px solid rgba(0,245,255,0.1); border-radius: 50%; pointer-events: none; }
.final-cta::before { width: 600px; height: 600px; border-color: rgba(0,245,255,0.1); animation: ctaPulse 4s ease-in-out infinite; }
.final-cta::after { width: 400px; height: 400px; border-color: rgba(0,245,255,0.15); animation: ctaPulse 4s ease-in-out infinite reverse; }
@keyframes ctaPulse { 0%,100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1) } 50% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.1) } }
.final-cta-title { font-family: 'Bebas Neue', cursive; font-size: clamp(2.4rem, 6vw, 4.5rem); letter-spacing: 6px; color: var(--cyan); margin-bottom: 20px; text-shadow: 0 0 30px rgba(0,245,255,0.6), 0 0 60px rgba(0,245,255,0.3); position: relative; z-index: 2; }
.final-cta-subtitle { font-family: 'JetBrains Mono', monospace; font-size: 1.05rem; font-weight: 600; color: var(--cyan-90); margin-bottom: 40px; letter-spacing: 1px; position: relative; z-index: 2; }
.final-cta-btn { display: inline-block; padding: 20px 64px; font-family: 'Bebas Neue', cursive; font-size: 1.4rem; letter-spacing: 6px; color: var(--cyan); text-decoration: none; border: 1.5px solid var(--cyan); background: transparent; position: relative; z-index: 2; transition: all 0.3s; clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); }
.final-cta-btn:hover { background: var(--cyan); color: #000; box-shadow: 0 0 40px rgba(0,245,255,0.6); transform: translateY(-2px); }
.final-cta-btn::after { content: '→'; margin-left: 12px; }

/* ---------- 2026-07-13 SEO: Latest Articles grid ---------- */
.latest-grid {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0 24px;
}
@media (max-width: 700px) {
  .latest-grid { grid-template-columns: 1fr; }
}
.latest-card {
  display: block;
  padding: 24px;
  background: rgba(0, 18, 24, 0.55);
  border: 1px solid rgba(0, 245, 255, 0.18);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all 0.25s ease;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.latest-card:hover {
  background: rgba(0, 30, 40, 0.7);
  border-color: rgba(0, 245, 255, 0.4);
  transform: translateY(-2px);
  text-decoration: none;
}
.latest-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--orange, #FF7A1A);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.latest-title {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cyan, #00F5FF);
  margin-bottom: 10px;
  line-height: 1.35;
}
.latest-excerpt {
  font-size: 0.88rem;
  color: var(--cyan-90, #B0E8F0);
  line-height: 1.55;
  margin-bottom: 14px;
}
.latest-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: var(--orange, #FF7A1A);
}
.latest-card:hover .latest-link { color: var(--cyan, #00F5FF); }
.latest-all-link {
  display: block;
  width: max-content;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--cyan, #00F5FF);
  text-decoration: none;
  border: 1px solid rgba(0, 245, 255, 0.3);
  padding: 12px 28px;
  margin: 8px auto 0;
  transition: all 0.2s ease;
}
.latest-all-link:hover {
  border-color: var(--cyan, #00F5FF);
  background: rgba(0, 245, 255, 0.08);
  text-decoration: none;
}

/* ---------- Footer ---------- */
footer { border-top: 1px solid rgba(0,51,68,0.3); padding: 40px 24px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 32px; }
.footer-brand .nav-logo { margin-bottom: 12px; display: inline-flex; }
.footer-tagline { font-size: 0.85rem; font-weight: 500; color: var(--cyan-90); line-height: 1.6; max-width: 240px; }
.footer-col h5 { font-family: 'Chakra Petch', sans-serif; font-size: 0.78rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.88rem; font-weight: 500; color: var(--cyan-90); text-decoration: none; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 24px; border-top: 1px solid rgba(0,51,68,0.3); display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; font-weight: 600; color: var(--cyan-90); letter-spacing: 1px; flex-wrap: wrap; gap: 12px; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: var(--cyan-90); font-weight: 700; transition: color 0.2s; text-decoration: none; font-family: 'JetBrains Mono', monospace; font-size: 0.95rem; }
.footer-social a:hover { color: var(--cyan); }

/* ---------- Docs Layout ---------- */
.doc-layout { max-width: var(--max-w); margin: 0 auto; padding: 40px 24px 80px; display: grid; grid-template-columns: 240px 1fr; gap: 48px; }
.doc-sidebar { position: sticky; top: calc(var(--nav-h) + 20px); align-self: start; max-height: calc(100vh - var(--nav-h) - 40px); overflow-y: auto; padding-right: 12px; }
.doc-sidebar-section { margin-bottom: 24px; }
.doc-sidebar-section h6 { font-family: 'Chakra Petch', sans-serif; font-size: 0.72rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--orange); margin-bottom: 12px; }
.doc-sidebar a { display: block; padding: 6px 10px; font-size: 0.88rem; font-weight: 500; color: var(--cyan-90); text-decoration: none; border-left: 2px solid transparent; transition: all 0.2s; margin-bottom: 2px; }
.doc-sidebar a:hover { color: var(--cyan); border-left-color: var(--orange); background: rgba(0,245,255,0.04); }
.doc-sidebar a.active { color: var(--cyan); border-left-color: var(--cyan); background: rgba(0,245,255,0.08); }
.doc-content { max-width: 760px; }
.doc-content h2 { font-family: 'Bebas Neue', cursive; font-size: 2.2rem; letter-spacing: 3px; color: var(--cyan); margin: 48px 0 16px; }
.doc-content h2:first-child { margin-top: 0; }
.doc-content h3 { font-family: 'Bebas Neue', cursive; font-size: 1.4rem; letter-spacing: 2px; color: var(--orange); margin: 32px 0 12px; }
.doc-content p { font-size: 0.95rem; color: var(--cyan-90); margin-bottom: 16px; line-height: 1.8; }
.doc-content pre { border: 1px solid rgba(0,51,68,0.6); padding: 20px; background: rgba(0,8,16,0.8); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--cyan-90); white-space: pre-wrap; line-height: 1.7; margin: 16px 0 24px; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); overflow-x: auto; }
.doc-content code { font-family: 'JetBrains Mono', monospace; color: var(--orange); font-size: 0.88em; }
.doc-content pre code { color: inherit; }
.doc-content ul, .doc-content ol { color: var(--cyan-90); padding-left: 20px; margin-bottom: 16px; }
.doc-content li { margin-bottom: 6px; line-height: 1.7; }
.doc-callout { border: 1px solid var(--orange); background: rgba(255,102,0,0.06); padding: 16px 20px; margin: 16px 0 24px; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.doc-callout .callout-title { font-family: 'Bebas Neue', cursive; font-size: 1.05rem; letter-spacing: 2px; color: var(--orange); margin-bottom: 10px; text-transform: uppercase; }
.doc-callout .callout-title::before { content: '› '; color: var(--cyan); font-weight: 700; }
.doc-callout ol { color: var(--cyan-90); padding-left: 22px; margin: 0; line-height: 1.8; }
.doc-callout ol li { margin-bottom: 4px; font-size: 0.92rem; }
.doc-callout ol li::marker { color: var(--orange); font-weight: 700; }
.doc-callout code { font-family: 'JetBrains Mono', monospace; color: var(--cyan); background: rgba(0,245,255,0.08); padding: 1px 6px; border: 1px solid rgba(0,245,255,0.2); font-size: 0.88em; }
.doc-callout a { color: var(--orange); text-decoration: none; border-bottom: 1px dashed var(--orange); }
.doc-callout a:hover { color: #fff; background: var(--orange); border-bottom-color: var(--orange); }

/* ---------- Blog Layout ---------- */
.blog-grid { max-width: var(--max-w); margin: 0 auto; padding: 40px 24px 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { border: 1px solid rgba(0,51,68,0.5); padding: 28px 24px; background: rgba(0,0,0,0.4); position: relative; transition: all 0.3s; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); display: flex; flex-direction: column; }
.blog-card::before { content: ''; position: absolute; top: -1px; left: -1px; width: 14px; height: 14px; border-top: 1px solid var(--cyan); border-left: 1px solid var(--cyan); }
.blog-card::after { content: ''; position: absolute; bottom: -1px; right: -1px; width: 14px; height: 14px; border-bottom: 1px solid var(--orange); border-right: 1px solid var(--orange); }
.blog-card:hover { border-color: rgba(0,245,255,0.4); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,245,255,0.08); }
.blog-card-cat { font-size: 0.7rem; letter-spacing: 3px; text-transform: uppercase; color: var(--orange); font-weight: 700; margin-bottom: 12px; }
.blog-card-title { font-family: 'Bebas Neue', cursive; font-size: 1.5rem; letter-spacing: 2px; color: var(--cyan); margin-bottom: 12px; line-height: 1.2; }
.blog-card-excerpt { font-size: 0.9rem; color: var(--cyan-90); line-height: 1.6; margin-bottom: 20px; flex: 1; }
.blog-card-meta { display: flex; justify-content: space-between; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--cyan-90); padding-top: 16px; border-top: 1px solid rgba(0,51,68,0.4); }
.blog-card-meta .tag { color: var(--orange); font-weight: 700; letter-spacing: 1px; }

/* ---------- Reveal / Particles ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.particle { position: fixed; width: 1px; height: 1px; background: var(--cyan); pointer-events: none; z-index: 0; }
@keyframes floatUp { 0% { transform: translateY(100vh) scale(0); opacity: 0 } 10% { opacity: 0.8 } 90% { opacity: 0.2 } 100% { transform: translateY(-10vh) scale(1); opacity: 0 } }

/* ---------- Responsive: Tablet ---------- */
@media (max-width: 1024px) {
  .latency-grid { gap: 20px; }
  .how-cards { gap: 20px; }
  .doc-layout { grid-template-columns: 200px 1fr; gap: 32px; }
  .tools-directory { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Responsive: Mobile ---------- */
@media (max-width: 900px) {
  .nav-menu { display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; background: rgba(0,0,0,0.95); flex-direction: column; padding: 24px; gap: 20px; border-bottom: 1px solid var(--border-dim); }
  .nav-menu.open, .nav-menu.is-open { display: flex; }
  .nav-mobile-toggle { display: block; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-sidebar { position: static; max-height: none; padding-right: 0; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border-dim); }
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .grid-perspective { height: 50%; }
  .hero-stats { gap: 16px; }
  .stat-box { padding: 12px 20px; }
  .stat-value { font-size: 1.8rem; }
  h1 { font-size: 2.5rem; }
  .section { padding: 60px 16px; }
  .how-cards { flex-direction: column; align-items: center; }
  .how-cards::before { display: none; }
  .card-wire { max-width: 100%; }
  .pricing-card { max-width: 100%; }
  .latency-grid { flex-direction: column; align-items: center; }
  .latency-arrow { display: none; }
  .services-grid { gap: 16px; }
  .service-card { min-width: 120px; }
  .cta-group { flex-direction: column; align-items: center; }
  .globe-container { right: -40px; top: 10%; width: 180px; height: 180px; opacity: 0.3; }
  .tools-directory { grid-template-columns: 1fr; }
  .page-header { padding: 110px 16px 40px; }
  .doc-content pre { font-size: 0.78rem; padding: 16px; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .top-nav-inner { padding: 0 16px; }
  .nav-logo { font-size: 1.2rem; letter-spacing: 3px; }
  .stat-box { padding: 10px 16px; }
  .stat-value { font-size: 1.5rem; }
  .stat-label { font-size: 0.65rem; letter-spacing: 2px; }
}

/* === TL;DR facts box (AEO-P1.3, 2026-07-13) === */
.tldr-section { padding-top: 40px; padding-bottom: 60px; }
.tldr-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  max-width: 1240px;
  margin: 28px auto 0;
  padding: 0 24px;
}
.tldr-card {
  position: relative;
  background: linear-gradient(180deg, rgba(10,10,15,0.6), rgba(0,245,255,0.04));
  border: 1px solid rgba(0,245,255,0.18);
  padding: 18px 14px 14px;
  text-align: left;
  transition: border-color .2s, background .2s;
}
.tldr-card::before, .tldr-card::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border: 1px solid var(--cyan, #00F5FF);
}
.tldr-card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.tldr-card::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.tldr-card:hover { border-color: var(--cyan, #00F5FF); background: rgba(0,245,255,0.06); }
.tldr-num {
  font-family: 'Orbitron', 'Inter', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--cyan, #00F5FF);
  line-height: 1.1;
  letter-spacing: 0.02em;
}
.tldr-unit { font-size: 0.85rem; color: var(--cyan-90, rgba(0,245,255,0.7)); margin-left: 2px; font-weight: 500; }
.tldr-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange, #FF6B35);
  margin-top: 4px;
}
.tldr-detail {
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.75);
  margin: 8px 0 0;
}
.tldr-card-free { background: linear-gradient(180deg, rgba(255,107,53,0.08), rgba(255,107,53,0.02)); border-color: rgba(255,107,53,0.25); }
.tldr-card-free .tldr-num { color: var(--orange, #FF6B35); }
.tldr-card-free::before, .tldr-card-free::after { border-color: var(--orange, #FF6B35); }

@media (max-width: 1024px) {
  .tldr-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .tldr-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 16px; }
  .tldr-num { font-size: 1.6rem; }
  .tldr-detail { font-size: 0.78rem; }
}
@media (max-width: 420px) {
  .tldr-grid { grid-template-columns: 1fr; }
}
}