/* ==========================================================================
   QuickQ Download Center 鈥?premium landing page
   Author: original design / no external UI dependencies
   ========================================================================== */

/* ---------- 1. Reset & tokens ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "SF Pro Display", -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 620px at 96% -120px, rgba(91, 200, 255, 0.09), transparent 60%),
    radial-gradient(900px 540px at -8% 0%, rgba(19, 142, 248, 0.08), transparent 58%),
    var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

:root {
  --bg: #f5f7fb;
  --bg-soft: #eef2f8;
  --surface: #ffffff;
  --ink: #0b1728;
  --ink-2: #273950;
  --muted: #5e7088;
  --muted-2: #8a98aa;
  --line: rgba(11, 23, 40, 0.08);
  --line-strong: rgba(11, 23, 40, 0.14);
  --brand: #138EF8;
  --brand-dark: #0B6FD6;
  --brand-soft: rgba(19, 142, 248, 0.1);
  --mint: #5BC8FF;
  --cyan: #2bb8ff;
  --violet: #8FB6FF;
  --amber: #4FA8FF;
  --navy: #071321;
  --navy-2: #0b1b2f;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow-sm: 0 1px 2px rgba(11, 23, 40, 0.03), 0 18px 40px -28px rgba(11, 23, 40, 0.2);
  --shadow-lg: 0 40px 90px -38px rgba(11, 23, 40, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-mono: "SFMono-Regular", ui-monospace, "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

::selection { background: rgba(19, 142, 248, 0.24); color: var(--ink); }

[hidden] { display: none !important; }

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol, p, h1, h2, h3, h4, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: 800; letter-spacing: -0.035em; text-wrap: balance; }
p { text-wrap: pretty; }

:focus-visible {
  outline: 3px solid rgba(19, 142, 248, 0.5);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 2. Utilities ---------- */
.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.icon-xs { width: 0.9em; height: 0.9em; }

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.section {
  position: relative;
  padding: 112px 0;
}

.section-head {
  max-width: 700px;
  margin-bottom: 54px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.section-head.center .eyebrow { margin-inline: auto; }
.section-head h2 { margin-top: 20px; }

.section h2 {
  font-size: clamp(34px, 4.1vw, 52px);
  line-height: 1.15;
}

.section-sub {
  margin-top: 18px;
  max-width: 610px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.85;
}
.center .section-sub { margin-inline: auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 12px 6px;
  border: 1px solid rgba(19, 142, 248, 0.18);
  border-radius: 999px;
  background: rgba(19, 142, 248, 0.07);
  color: var(--brand-dark);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(19, 142, 248, 0.12);
}
.eyebrow-dark {
  color: #a7c0d6;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.055);
}
.eyebrow-small { padding: 5px 10px 4px; font-size: 9.5px; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 21px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.005em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease),
    background-color 0.35s var(--ease),
    border-color 0.35s var(--ease),
    color 0.35s var(--ease);
}
.btn .icon { width: 1.05em; height: 1.05em; }
.btn-sm { height: 42px; padding: 0 16px; border-radius: 12px; font-size: 13px; }
.btn-lg { height: 56px; padding: 0 26px; border-radius: 16px; font-size: 14.5px; }
.btn-block { width: 100%; }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #0a1728 0%, #132c48 100%);
  box-shadow:
    0 16px 32px -14px rgba(11, 23, 40, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 20%, rgba(255, 255, 255, 0.2) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform 0.7s var(--ease);
}
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 22px 42px -16px rgba(11, 23, 40, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-primary:hover::after { transform: translateX(130%); }

.btn-ghost {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(19, 142, 248, 0.34);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-light {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.55);
}
.btn-light:hover { transform: translateY(-2px); background: #f4fffb; }

.btn-outline-light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.04);
}
.btn-outline-light:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  border-bottom: 1px solid rgba(19, 142, 248, 0.55);
  padding-bottom: 3px;
  transition: color 0.25s ease, gap 0.25s ease;
}
.text-link .icon { width: 1em; height: 1em; color: var(--brand-dark); }
.text-link:hover { color: var(--brand-dark); gap: 12px; }

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.dot-mint { background: var(--brand); box-shadow: 0 0 0 3px rgba(19, 142, 248, 0.14); }
.dot-blue { background: var(--cyan); box-shadow: 0 0 0 3px rgba(91, 200, 255, 0.14); }

/* ---------- 3. Announcement ---------- */
.topbar {
  position: relative;
  z-index: 90;
  color: #bdcada;
  background:
    radial-gradient(700px 80px at 20% 0%, rgba(19, 142, 248, 0.14), transparent 70%),
    linear-gradient(90deg, #071321, #0d2238 58%, #071321);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 38px;
}
.topbar-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.topbar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(91, 200, 255, 0.12);
  animation: softPulse 2.4s ease-in-out infinite;
}
.topbar-sep { color: rgba(255, 255, 255, 0.25); }
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 650;
  color: #e8f7f1;
  transition: color 0.2s ease;
}
.topbar-link .icon { width: 0.95em; height: 0.95em; transition: transform 0.2s ease; }
.topbar-link:hover { color: var(--mint); }
.topbar-link:hover .icon { transform: translateX(3px); }

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(245, 247, 251, 0.76);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: var(--line);
  box-shadow: 0 14px 36px -30px rgba(11, 23, 40, 0.45);
}
.nav {
  display: flex;
  align-items: center;
  gap: 38px;
  height: 78px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
}
.brand img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 8px 14px rgba(19, 142, 248, 0.22));
}
.brand-word {
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.055em;
  color: var(--ink);
  line-height: 1;
}
.brand-word span { color: var(--brand-dark); }
.brand-tag {
  margin-left: 2px;
  padding: 4px 6px 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted-2);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 8px 0;
  color: #40526a;
  font-size: 13.5px;
  font-weight: 650;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-login {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #40526a;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-login .icon { width: 0.9em; height: 0.9em; }
.nav-login:hover { color: var(--brand-dark); }
.menu-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}
.menu-toggle .icon { width: 20px; height: 20px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-menu { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-menu { display: none; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: 74px 0 0;
  overflow: hidden;
  isolation: isolate;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(11, 23, 40, 0.038) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 23, 40, 0.038) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 68% at 58% 38%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 80% 68% at 58% 38%, #000 10%, transparent 72%);
}
.hero-orb {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}
.hero-orb-a {
  top: 40px;
  right: -120px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(19, 142, 248, 0.24), transparent 66%);
  animation: drift 14s ease-in-out infinite alternate;
}
.hero-orb-b {
  top: 300px;
  left: -180px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(91, 200, 255, 0.16), transparent 68%);
  animation: drift 18s ease-in-out infinite alternate-reverse;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
  gap: 58px;
  min-height: 610px;
}
.hero-copy { position: relative; z-index: 2; }
.hero h1 {
  margin-top: 24px;
  font-size: clamp(48px, 5.7vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}
.hero h1 .grad {
  display: inline-block;
  padding-bottom: 4px;
  background: linear-gradient(100deg, #0B6FD6 0%, #1f9fda 48%, #62C8FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 570px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.9;
  line-break: strict;
}
.nowrap { white-space: nowrap; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  margin-top: 22px;
  color: #53657c;
  font-size: 12.5px;
  font-weight: 600;
}
.hero-points span { display: inline-flex; align-items: center; gap: 6px; }
.hero-points .icon { width: 14px; height: 14px; color: var(--brand-dark); }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-stats dt {
  color: var(--ink);
  font-size: 30px;
  font-weight: 850;
  letter-spacing: -0.045em;
  line-height: 1;
}
.hero-stats dt span { color: var(--brand-dark); font-size: 0.58em; margin-left: 1px; }
.hero-stats dd {
  margin-top: 8px;
  color: var(--muted-2);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Hero product mockup */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 590px;
  z-index: 1;
}
.hero-visual::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(19, 142, 248, 0.18), rgba(91, 200, 255, 0.08) 42%, transparent 70%);
  filter: blur(6px);
}
.hero-rings { position: absolute; inset: 0; pointer-events: none; }
.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(11, 23, 40, 0.09);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.ring-1 {
  width: 500px;
  height: 500px;
  border-style: dashed;
  border-color: rgba(19, 142, 248, 0.2);
  animation: spin 44s linear infinite;
}
.ring-2 {
  width: 650px;
  height: 650px;
  border-color: rgba(91, 200, 255, 0.1);
  animation: spin 80s linear infinite reverse;
}
.ring-3 {
  width: 390px;
  height: 390px;
  border-color: rgba(11, 23, 40, 0.08);
}
.ring-2::before,
.ring-2::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(91, 200, 255, 0.12), 0 0 20px rgba(91, 200, 255, 0.7);
}
.ring-2::before { top: 17%; left: 14%; }
.ring-2::after { right: 12%; bottom: 20%; background: var(--mint); box-shadow: 0 0 0 5px rgba(91, 200, 255, 0.12), 0 0 20px rgba(91, 200, 255, 0.7); }

.app-window {
  position: relative;
  z-index: 3;
  width: min(404px, 92%);
  padding: 21px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 30px;
  color: #fff;
  background:
    radial-gradient(120% 110% at 85% 0%, rgba(91, 200, 255, 0.14), transparent 45%),
    radial-gradient(100% 90% at 0% 100%, rgba(19, 142, 248, 0.1), transparent 48%),
    linear-gradient(155deg, #0c1e33 0%, #071321 58%, #0a1e32 100%);
  box-shadow:
    0 55px 100px -32px rgba(7, 19, 33, 0.58),
    inset 0 1px 0 rgba(255, 255, 255, 0.13);
  transform: rotate(-1.3deg);
}
.app-window::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.08), transparent 30%);
  mask-image: linear-gradient(#000, transparent 45%);
  -webkit-mask-image: linear-gradient(#000, transparent 45%);
}
.app-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.app-brand img { width: 27px; height: 27px; border-radius: 8px; }
.app-brand em {
  padding: 3px 5px 2px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  color: #8fa6bd;
  font-size: 7px;
  font-style: normal;
  letter-spacing: 0.1em;
}
.app-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: 1px solid rgba(91, 200, 255, 0.2);
  border-radius: 999px;
  color: #0b6fd6;
  background: rgba(91, 200, 255, 0.08);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.app-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(91, 200, 255, 0.14);
  animation: softPulse 2s ease-in-out infinite;
}
.dial-wrap {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 8px auto 2px;
}
.dial { width: 100%; height: 100%; }
.dial-ticks {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, rgba(255, 255, 255, 0.3) 0deg 1deg, transparent 1deg 7.5deg);
  mask: radial-gradient(circle, transparent 0 70%, #000 71% 73%, transparent 74%);
  -webkit-mask: radial-gradient(circle, transparent 0 70%, #000 71% 73%, transparent 74%);
  opacity: 0.55;
}
.dial-progress {
  animation: dialIn 1.7s var(--ease) 0.35s both;
}
.dial-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  transform: translate(-50%, -50%);
}
.dial-copy span {
  color: #8299b1;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dial-copy strong {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.1;
}
.dial-copy em {
  margin-top: 1px;
  color: #0b6fd6;
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.server-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
}
.server-code {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(91, 200, 255, 0.2);
  border-radius: 9px;
  color: #0b6fd6;
  background: rgba(91, 200, 255, 0.09);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
}
.server-name { display: flex; flex-direction: column; line-height: 1.35; }
.server-name span { color: #7e93aa; font-size: 8.5px; }
.server-name strong { font-size: 11.5px; font-weight: 700; }
.server-ping {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  color: #a6b9cb;
  font-family: var(--font-mono);
  font-size: 9px;
}
.server-ping i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}
.server-chevron { width: 15px; height: 15px; color: #6d839a; }
.app-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}
.app-metric { display: flex; flex-direction: column; line-height: 1.3; }
.app-metric span { color: #71879e; font-size: 8px; }
.app-metric strong { font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
.app-metric small { color: #71879e; font-size: 7px; font-weight: 500; }
.app-power {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #06261c;
  background: linear-gradient(145deg, #5BC8FF, #0B6FD6);
  box-shadow: 0 0 0 5px rgba(91, 200, 255, 0.08), 0 8px 18px rgba(19, 142, 248, 0.28);
}
.app-power .icon { width: 17px; height: 17px; fill: currentColor; stroke: none; }

.float-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px 11px 11px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 22px 50px -22px rgba(11, 23, 40, 0.35);
  backdrop-filter: blur(14px);
  animation: float 7s ease-in-out infinite;
}
.float-card div { display: flex; flex-direction: column; line-height: 1.35; }
.float-card strong { color: var(--ink); font-size: 11px; font-weight: 800; }
.float-card div span { color: var(--muted); font-size: 9px; }
.float-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(145deg, #138EF8, #62C8FF);
}
.float-icon-mint { background: linear-gradient(145deg, #138EF8, #0B6FD6); }
.float-icon .icon { width: 16px; height: 16px; }
.float-card-a { top: 5.5%; left: -3%; }
.float-card-b { right: -4%; bottom: 12%; animation-delay: -3.2s; }
.float-pill {
  position: absolute;
  bottom: 1%;
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  color: #40526a;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 16px 34px -22px rgba(11, 23, 40, 0.4);
  font-family: var(--font-mono);
  font-size: 9px;
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
  white-space: nowrap;
}
.pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(19, 142, 248, 0.14);
  animation: softPulse 2s ease-in-out infinite;
}

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 34px;
  padding: 23px 0 28px;
  border-top: 1px solid var(--line);
}
.trust-strip > p {
  color: var(--muted-2);
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  align-items: center;
  gap: 32px;
}
.trust-logos span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #7b8a9d;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  opacity: 0.82;
}
.trust-logos .icon { width: 16px; height: 16px; }

/* ---------- 6. Bento features ---------- */
.features {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.62) 48%, rgba(255, 255, 255, 0) 100%);
}
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.bento-card {
  position: relative;
  grid-column: span 4;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
  transition: translate 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}
.bento-card:hover {
  translate: 0 -4px;
  border-color: rgba(19, 142, 248, 0.18);
  box-shadow: 0 30px 60px -36px rgba(11, 23, 40, 0.28);
}
.bento-main {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 24px;
  grid-column: span 7;
  padding: 32px;
  background:
    radial-gradient(90% 120% at 100% 100%, rgba(19, 142, 248, 0.07), transparent 50%),
    linear-gradient(145deg, #ffffff, #f8fcfb);
}
.bento-oneclick {
  grid-column: span 5;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(120% 100% at 90% 0%, rgba(91, 200, 255, 0.16), transparent 48%),
    radial-gradient(90% 90% at 0% 100%, rgba(19, 142, 248, 0.12), transparent 52%),
    linear-gradient(150deg, #0b1b2f, #102b46);
  box-shadow: 0 26px 50px -30px rgba(7, 19, 33, 0.55);
}
.bento-oneclick:hover { border-color: rgba(91, 200, 255, 0.22); }
.bento h3 {
  margin-top: 19px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.03em;
}
.bento-card > p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}
.bento-oneclick h3 { margin-top: 19px; color: #fff; }
.bento-oneclick > p { color: #a7bbce; }
.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(19, 142, 248, 0.13);
  border-radius: 14px;
  color: var(--brand-dark);
  background: linear-gradient(145deg, rgba(19, 142, 248, 0.14), rgba(19, 142, 248, 0.05));
}
.feature-icon .icon { width: 21px; height: 21px; }
.feature-icon-cyan {
  color: #0c87c9;
  border-color: rgba(91, 200, 255, 0.15);
  background: linear-gradient(145deg, rgba(91, 200, 255, 0.14), rgba(91, 200, 255, 0.05));
}
.feature-icon-violet {
  color: #6554e8;
  border-color: rgba(143, 182, 255, 0.15);
  background: linear-gradient(145deg, rgba(143, 182, 255, 0.14), rgba(143, 182, 255, 0.05));
}
.feature-icon-amber {
  color: #0B6FD6;
  border-color: rgba(245, 165, 36, 0.18);
  background: linear-gradient(145deg, rgba(245, 165, 36, 0.16), rgba(245, 165, 36, 0.05));
}
.bento-oneclick .feature-icon {
  color: #0b6fd6;
  border-color: rgba(91, 200, 255, 0.18);
  background: rgba(91, 200, 255, 0.09);
}
.card-tag,
.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 18px;
  padding: 4px 7px 3px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted-2);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.mini-badge { margin-top: 18px; }
.mini-badge .icon { width: 10px; height: 10px; color: var(--brand-dark); }

.latency-visual {
  padding: 15px 15px 13px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 34px -28px rgba(11, 23, 40, 0.3);
}
.latency-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 7px;
  color: var(--muted-2);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.latency-head em {
  color: var(--brand-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}
.latency-visual svg { width: 100%; height: 105px; overflow: visible; }
.latency-foot {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 5px;
  color: var(--muted-2);
  font-size: 8px;
}
.latency-foot span { display: inline-flex; align-items: center; gap: 4px; }
.latency-live {
  margin-left: auto;
  color: var(--brand-dark) !important;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.toggle-visual {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.toggle-track {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, #138ef8, #62c8ff);
  box-shadow: 0 0 0 4px rgba(91, 200, 255, 0.08);
}
.toggle-track i {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.18);
}
.toggle-label { color: #0b6fd6; font-size: 9.5px; font-weight: 700; }
.toggle-line { flex: 1; height: 1px; background: rgba(255, 255, 255, 0.1); }
.toggle-speed {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
}
.toggle-speed small { color: #758da4; font-size: 8px; }

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 18px;
  padding: 23px 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
}
.feature-band > div { display: flex; align-items: center; gap: 12px; }
.band-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 12px;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.09);
}
.band-icon .icon { width: 18px; height: 18px; }
.feature-band strong { display: block; color: var(--ink); font-size: 13px; font-weight: 800; }
.feature-band span:not(.band-icon) { display: block; margin-top: 2px; color: var(--muted); font-size: 11.5px; line-height: 1.5; }

/* ---------- 7. Global network ---------- */
.network {
  padding: 122px 0 106px;
  color: #fff;
  background:
    radial-gradient(900px 620px at 86% 40%, rgba(91, 200, 255, 0.12), transparent 60%),
    radial-gradient(700px 560px at 4% 80%, rgba(19, 142, 248, 0.1), transparent 60%),
    #071321;
  overflow: hidden;
}
.network-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 78% 72% at 55% 45%, #000 5%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 78% 72% at 55% 45%, #000 5%, transparent 75%);
}
.network-glow {
  position: absolute;
  top: 7%;
  right: -10%;
  width: 660px;
  height: 660px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(19, 142, 248, 0.16), transparent 65%);
  filter: blur(30px);
  pointer-events: none;
}
.network-layout {
  position: relative;
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  align-items: center;
  gap: 42px;
}
.network-copy { position: relative; z-index: 2; }
.network h2 {
  margin-top: 20px;
  color: #fff;
  font-size: clamp(36px, 4.3vw, 54px);
}
.network .section-sub { color: #9aafc4; max-width: 540px; }
.region-tabs {
  display: inline-flex;
  gap: 4px;
  margin-top: 30px;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.045);
}
.region-tab {
  padding: 8px 14px;
  border: 0;
  border-radius: 9px;
  color: #91a6bb;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}
.region-tab:hover { color: #fff; }
.region-tab.is-active {
  color: #06251c;
  background: linear-gradient(135deg, #138ef8, #138ef8);
  box-shadow: 0 6px 16px -6px rgba(19, 142, 248, 0.5);
}
.region-panel { min-height: 222px; margin-top: 25px; }
.region-list { display: grid; gap: 12px; }
.region-row {
  display: grid;
  grid-template-columns: 56px 1fr 54px;
  align-items: center;
  gap: 12px;
}
.region-city { color: #dbe7f1; font-size: 12.5px; font-weight: 650; }
.region-line { height: 3px; overflow: hidden; border-radius: 3px; background: rgba(255, 255, 255, 0.08); }
.region-line i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5BC8FF, #38c6ff);
  box-shadow: 0 0 12px rgba(91, 200, 255, 0.35);
  animation: barIn 0.85s var(--ease) both;
}
.region-ping {
  color: #8fa6bb;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-align: right;
}
.region-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 17px;
  color: #6f8499;
  font-size: 10px;
  line-height: 1.6;
}
.region-note .icon { width: 12px; height: 12px; margin-top: 1px; }
.network .btn-light { margin-top: 26px; height: 48px; }

.globe-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 0;
}
.globe-img {
  width: min(100%, 620px);
  height: auto;
  filter: drop-shadow(0 30px 80px rgba(0, 0, 0, 0.35));
  animation: globeFloat 12s ease-in-out infinite;
}
.node-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 9px;
  color: #c7d9e8;
  background: rgba(9, 26, 45, 0.78);
  box-shadow: 0 12px 30px -14px rgba(0, 0, 0, 0.7);
  font-size: 8.5px;
  font-weight: 650;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
  white-space: nowrap;
}
.node-chip strong {
  color: #0b6fd6;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 600;
}
.node-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(91, 200, 255, 0.14), 0 0 11px rgba(91, 200, 255, 0.8);
}
.node-chip-1 { top: 22%; left: 1%; }
.node-chip-2 { top: 17%; right: 8%; }
.node-chip-3 { right: 1%; bottom: 27%; }
.node-chip-4 { bottom: 18%; left: 5%; }

.network-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 62px;
  padding-top: 38px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.network-stats div { display: flex; flex-direction: column; gap: 6px; }
.network-stats strong {
  color: #fff;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
}
.network-stats span { color: #8399ae; font-size: 11px; font-weight: 600; letter-spacing: 0.03em; }

/* ---------- 8. Speed ---------- */
.speed {
  background:
    radial-gradient(700px 500px at 100% 20%, rgba(91, 200, 255, 0.07), transparent 60%),
    linear-gradient(180deg, #f6f8fb, #fbfcfe);
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 84px;
}
.split-copy h2 { margin-top: 20px; }
.split-copy .section-sub { max-width: 520px; }
.check-list {
  display: grid;
  gap: 20px;
  margin-top: 33px;
}
.check-list li { display: flex; align-items: flex-start; gap: 12px; }
.check-list li > span {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  flex: none;
  margin-top: 1px;
  border-radius: 50%;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.1);
}
.check-list li > span .icon { width: 13px; height: 13px; stroke-width: 2.2; }
.check-list strong { display: block; color: var(--ink); font-size: 14.5px; font-weight: 800; }
.check-list p { margin-top: 4px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.split-media {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(11, 23, 40, 0.06);
  border-radius: 32px;
  background:
    radial-gradient(100% 90% at 100% 0%, rgba(91, 200, 255, 0.15), transparent 55%),
    radial-gradient(90% 80% at 0% 100%, rgba(19, 142, 248, 0.16), transparent 55%),
    linear-gradient(150deg, #eafaf4, #edf6ff 55%, #f2efff);
  box-shadow: 0 36px 80px -44px rgba(11, 23, 40, 0.3);
}
.speed-console {
  position: relative;
  z-index: 2;
  padding: 23px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 23px;
  color: #fff;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(91, 200, 255, 0.17), transparent 48%),
    linear-gradient(155deg, #0b1b2f, #071321 62%, #0a1e32);
  box-shadow: 0 30px 60px -30px rgba(7, 19, 33, 0.55);
}
.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #9bb0c4;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.05em;
}
.console-head span { display: inline-flex; align-items: center; gap: 6px; }
.console-head em {
  padding: 3px 6px 2px;
  border: 1px solid rgba(91, 200, 255, 0.22);
  border-radius: 4px;
  color: #0b6fd6;
  font-family: var(--font-mono);
  font-size: 8px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.09em;
}
.console-main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-top: 19px;
}
.console-value { display: flex; align-items: baseline; gap: 7px; }
.console-value strong {
  font-family: var(--font-mono);
  font-size: clamp(42px, 5vw, 53px);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 1;
}
.console-value span { color: #7f95aa; font-size: 10px; font-weight: 600; }
.console-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 5px;
  padding: 5px 8px;
  border: 1px solid rgba(91, 200, 255, 0.17);
  border-radius: 999px;
  color: #0b6fd6;
  background: rgba(91, 200, 255, 0.06);
  font-size: 8.5px;
  font-weight: 700;
}
.console-badge .icon { width: 11px; height: 11px; fill: currentColor; stroke: none; }
.console-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 96px;
  margin-top: 19px;
  padding: 0 1px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.console-chart span {
  flex: 1;
  height: var(--h);
  min-height: 5px;
  border-radius: 3px 3px 1px 1px;
  background: linear-gradient(180deg, rgba(91, 200, 255, 0.9), rgba(91, 200, 255, 0.15));
  transform-origin: bottom;
  animation: barGrow 1s var(--ease) both;
}
.console-chart span:nth-child(2n) { background: linear-gradient(180deg, rgba(56, 198, 255, 0.85), rgba(56, 198, 255, 0.12)); }
.console-chart span:nth-child(3n) { animation-delay: 0.1s; }
.console-chart span:nth-child(4n) { animation-delay: 0.2s; }
.console-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.console-grid div { display: flex; flex-direction: column; gap: 2px; }
.console-grid span { color: #748ba1; font-size: 8px; }
.console-grid strong { font-family: var(--font-mono); font-size: 15px; font-weight: 600; }
.console-grid small { color: #748ba1; font-size: 7.5px; font-weight: 400; }
.console-server {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 14px;
}
.console-server > div { display: flex; flex-direction: column; line-height: 1.35; }
.console-server > div span { color: #748ba1; font-size: 8px; }
.console-server > div strong { font-size: 10.5px; }
.console-status { margin-left: auto; color: #0b6fd6; font-size: 8.5px; font-weight: 700; }
.media-note {
  position: absolute;
  top: 17px;
  right: 19px;
  z-index: 3;
  color: rgba(11, 23, 40, 0.38);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.media-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 38px -22px rgba(11, 23, 40, 0.35);
  backdrop-filter: blur(10px);
  animation: float 6.5s ease-in-out infinite;
}
.media-chip .icon { width: 16px; height: 16px; color: var(--brand-dark); }
.media-chip div { display: flex; flex-direction: column; line-height: 1.35; }
.media-chip strong { font-size: 10px; font-weight: 800; }
.media-chip span { color: var(--muted); font-size: 8px; }
.media-chip-a { top: -18px; left: 28px; }
.media-chip-b { right: 28px; bottom: -18px; animation-delay: -3s; }

/* ---------- 9. Security ---------- */
.security {
  background:
    radial-gradient(840px 580px at 94% 50%, rgba(19, 142, 248, 0.11), transparent 65%),
    linear-gradient(180deg, #f7fbf9, #f4f7fb);
}
.split-reverse { grid-template-columns: 1.02fr 0.98fr; }
.security-media {
  padding: 24px;
  border-radius: 32px;
  background:
    radial-gradient(100% 100% at 0% 0%, rgba(19, 142, 248, 0.2), transparent 50%),
    linear-gradient(150deg, #e9fbf5, #eef6ff 60%, #f1eeff);
}
.security-media img {
  width: 100%;
  border-radius: 21px;
  box-shadow: 0 30px 65px -28px rgba(7, 19, 33, 0.5);
}
.security-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 9px;
  color: #20344c;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 34px -20px rgba(11, 23, 40, 0.4);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(12px);
  animation: float 8s ease-in-out infinite;
}
.security-chip .icon { width: 12px; height: 12px; color: var(--brand-dark); }
.security-chip-1 { top: 10%; left: -18px; }
.security-chip-2 { top: 44%; right: -16px; animation-delay: -2s; }
.security-chip-3 { bottom: 9%; left: 10%; animation-delay: -4s; }
.security h2 { margin-top: 20px; }
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 31px;
}
.security-item {
  padding: 17px;
  border: 1px solid rgba(11, 23, 40, 0.06);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}
.security-item > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.09);
}
.security-item .icon { width: 15px; height: 15px; }
.security-item strong { display: block; margin-top: 11px; color: var(--ink); font-size: 12.5px; font-weight: 800; }
.security-item p { margin-top: 3px; color: var(--muted); font-size: 10.5px; line-height: 1.6; }
.fineprint {
  margin-top: 19px;
  color: var(--muted-2);
  font-size: 10.5px;
  line-height: 1.6;
}

/* ---------- 10. Download ---------- */
.download {
  background: #fff;
  border-top: 1px solid rgba(11, 23, 40, 0.04);
  border-bottom: 1px solid rgba(11, 23, 40, 0.04);
}
.detect-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding: 7px 12px;
  border: 1px solid rgba(19, 142, 248, 0.18);
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.07);
  font-size: 11px;
  font-weight: 650;
}
.detect-note .icon { width: 12px; height: 12px; }
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 42px;
}
.platform-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(160deg, #ffffff, #fbfcfe);
  box-shadow: var(--shadow-sm);
  transition: translate 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.platform-card:hover {
  translate: 0 -4px;
  border-color: rgba(19, 142, 248, 0.22);
  box-shadow: 0 28px 55px -34px rgba(11, 23, 40, 0.3);
}
.platform-card.is-detected {
  border-color: rgba(19, 142, 248, 0.4);
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(19, 142, 248, 0.1), transparent 55%),
    linear-gradient(160deg, #ffffff, #f7fffb);
  box-shadow: 0 28px 55px -32px rgba(19, 142, 248, 0.26);
}
.platform-top { display: flex; align-items: flex-start; justify-content: space-between; }
.platform-icon {
  display: grid;
  place-items: center;
  width: 53px;
  height: 53px;
  border-radius: 16px;
}
.platform-icon .icon { width: 25px; height: 25px; }
.platform-windows { color: #2674e8; background: #eaf2ff; }
.platform-macos { color: #202735; background: #eef0f4; }
.platform-android { color: #0b6fd6; background: #e8fbf2; }
.platform-ios { color: #4b5bd6; background: #eef1ff; }
.platform-badge {
  padding: 4px 7px 3px;
  border: 1px solid rgba(19, 142, 248, 0.2);
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.08);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-3px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.platform-card.is-detected .platform-badge { opacity: 1; visibility: visible; transform: none; }
.platform-card h3 { margin-top: 21px; font-size: 21px; letter-spacing: -0.03em; }
.platform-version { margin-top: 4px; color: var(--muted-2); font-size: 11.5px; }
.platform-meta {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.platform-meta li {
  position: relative;
  padding-left: 13px;
  color: var(--muted);
  font-size: 11.5px;
}
.platform-meta li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brand);
}
.platform-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 800;
  transition: color 0.25s ease;
}
.platform-link .icon { width: 15px; height: 15px; color: var(--brand-dark); transition: transform 0.25s ease; }
.platform-link:hover { color: var(--brand-dark); }
.platform-link:hover .icon { transform: translateY(2px); }

.download-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  margin-top: 22px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(80% 100% at 0% 0%, rgba(19, 142, 248, 0.06), transparent 50%),
    #f8fafc;
}
.download-info-copy h3 { margin-top: 14px; font-size: 24px; line-height: 1.35; }
.download-info-copy > p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.download-info-copy .text-link { margin-top: 17px; font-size: 12.5px; }
.download-info-list { display: grid; gap: 13px; align-content: center; }
.download-info-list > div { display: flex; align-items: flex-start; gap: 10px; }
.download-info-list > div > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 9px;
  color: var(--brand-dark);
  background: #fff;
  box-shadow: 0 1px 2px rgba(11, 23, 40, 0.04);
}
.download-info-list .icon { width: 15px; height: 15px; }
.download-info-list strong { display: block; font-size: 12.5px; font-weight: 800; }
.download-info-list p { margin-top: 2px; color: var(--muted); font-size: 11px; line-height: 1.55; }

.steps {
  margin-top: 22px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.steps-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.steps-head h3 { font-size: 21px; letter-spacing: -0.03em; }
.steps-head > span { color: var(--muted-2); font-size: 10.5px; font-weight: 650; letter-spacing: 0.05em; }
.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 28px;
}
.steps-list li {
  position: relative;
  display: grid;
  grid-template-columns: 27px 40px minmax(0, 1fr);
  align-items: start;
  gap: 11px;
  padding-right: 20px;
}
.steps-list li:not(:last-child)::after { display: none; }
.step-num {
  padding-top: 11px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}
.step-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 12px;
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.08);
}
.steps-list li > div { grid-column: 3; padding-top: 1px; }
.step-icon .icon { width: 18px; height: 18px; }
.steps-list strong { display: block; font-size: 13px; font-weight: 800; }
.steps-list p { margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.6; }

/* ---------- 11. Scenes ---------- */
.scenes { background: var(--bg); }
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.scene-card {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-sm);
  transition: translate 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.scene-card:hover { translate: 0 -4px; box-shadow: 0 30px 60px -38px rgba(11, 23, 40, 0.28); }
.scene-head { display: flex; align-items: center; gap: 10px; }
.avatar {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 8px 18px -10px rgba(11, 23, 40, 0.4);
}
.avatar-a { background: linear-gradient(145deg, #138ef8, #0b6fd6); }
.avatar-b { background: linear-gradient(145deg, #4b9fff, #5a5be6); }
.avatar-c { background: linear-gradient(145deg, #a17bff, #e65a9e); }
.scene-head div { display: flex; flex-direction: column; line-height: 1.4; }
.scene-head strong { font-size: 12px; font-weight: 800; }
.scene-head div span { color: var(--muted-2); font-size: 9.5px; }
.quote-icon {
  width: 22px;
  height: 22px;
  margin-left: auto;
  color: rgba(19, 142, 248, 0.26);
  fill: currentColor;
  stroke: none;
}
.scene-card blockquote {
  margin-top: 17px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.85;
}
.scene-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.scene-tags span {
  padding: 4px 8px 3px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted-2);
  background: rgba(255, 255, 255, 0.6);
  font-size: 8.5px;
  font-weight: 650;
}
.scene-note {
  margin-top: 20px;
  color: var(--muted-2);
  font-size: 10.5px;
  text-align: center;
}

/* ---------- 12. Guides ---------- */
.guides {
  background: #fff;
  border-top: 1px solid rgba(11, 23, 40, 0.04);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.guide-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: translate 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.guide-card:hover {
  translate: 0 -4px;
  border-color: rgba(19, 142, 248, 0.18);
  box-shadow: 0 30px 60px -38px rgba(11, 23, 40, 0.3);
}
.guide-image {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eef4f8;
}
.guide-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.65s var(--ease); }
.guide-card:hover .guide-image img { transform: scale(1.035); }
.guide-arrow {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 24px -10px rgba(11, 23, 40, 0.3);
  backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), background-color 0.3s ease;
}
.guide-arrow .icon { width: 15px; height: 15px; }
.guide-card:hover .guide-arrow { transform: rotate(-35deg); background: #fff; }
.guide-body { padding: 22px; }
.guide-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-2);
  font-size: 9.5px;
  font-weight: 650;
}
.guide-meta span:first-child { color: var(--brand-dark); }
.guide-meta span + span { position: relative; padding-left: 12px; }
.guide-meta span + span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--muted-2);
  transform: translateY(-50%);
}
.guide-body h3 { margin-top: 11px; font-size: 16.5px; line-height: 1.55; letter-spacing: -0.02em; }
.guide-body h3 a { transition: color 0.2s ease; }
.guide-body h3 a:hover { color: var(--brand-dark); }
.guide-body p { margin-top: 7px; color: var(--muted); font-size: 11.5px; line-height: 1.7; }

/* ---------- 13. FAQ ---------- */
.faq { background: var(--bg); }
.faq-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: start;
  gap: 72px;
}
.faq-aside { position: sticky; top: 116px; }
.faq-aside h2 { margin-top: 20px; }
.faq-aside .section-sub { max-width: 390px; }
.faq-aside .btn { margin-top: 26px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 21px 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.faq-q > span:first-child {
  color: var(--ink);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}
.faq-q:hover > span:first-child { color: var(--brand-dark); }
.faq-icon {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
  transition: transform 0.35s var(--ease), color 0.25s ease, background-color 0.25s ease;
}
.faq-icon .icon { width: 14px; height: 14px; }
.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--brand-dark);
  background: rgba(19, 142, 248, 0.07);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-inner p {
  max-width: 92%;
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

/* ---------- 14. Final CTA ---------- */
.cta-section { padding: 20px 0 104px; background: var(--bg); }
.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 46px;
  overflow: hidden;
  padding: 58px 62px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(700px 400px at 88% 10%, rgba(91, 200, 255, 0.18), transparent 60%),
    radial-gradient(620px 420px at 8% 100%, rgba(19, 142, 248, 0.2), transparent 60%),
    linear-gradient(135deg, #081525, #0b2036 60%, #071321);
  box-shadow: 0 40px 90px -44px rgba(7, 19, 33, 0.6);
}
.cta-rings { position: absolute; inset: 0; pointer-events: none; }
.cta-rings span {
  position: absolute;
  top: 50%;
  right: 4%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  transform: translateY(-50%);
}
.cta-rings span:nth-child(1) { width: 330px; height: 330px; }
.cta-rings span:nth-child(2) { width: 460px; height: 460px; border-color: rgba(91, 200, 255, 0.1); }
.cta-rings span:nth-child(3) { width: 600px; height: 600px; border-style: dashed; border-color: rgba(91, 200, 255, 0.09); }
.cta-copy { position: relative; z-index: 2; max-width: 560px; }
.cta-copy > img { width: 62px; height: 62px; margin-bottom: 18px; filter: drop-shadow(0 12px 24px rgba(19, 142, 248, 0.3)); }
.cta-copy h2 { margin-top: 17px; color: #fff; font-size: clamp(32px, 3.7vw, 45px); }
.cta-copy > p:last-child { margin-top: 13px; color: #a8bbce; font-size: 14px; line-height: 1.8; }
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 11px;
  min-width: 215px;
}
.cta-actions .btn { width: 100%; }

/* ---------- 15. Footer ---------- */
.site-footer {
  position: relative;
  padding: 66px 0 28px;
  color: #a2b3c6;
  background:
    radial-gradient(800px 300px at 15% 0%, rgba(19, 142, 248, 0.08), transparent 65%),
    #060f1b;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.55fr 0.6fr 0.6fr 0.6fr;
  gap: 46px;
}
.brand-footer .brand-word { color: #fff; }
.brand-footer .brand-word span { color: #138ef8; }
.footer-brand > p {
  max-width: 320px;
  margin-top: 17px;
  color: #7e91a6;
  font-size: 12px;
  line-height: 1.8;
}
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer-badges span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #8da2b7;
  font-size: 9px;
  font-weight: 650;
}
.footer-badges .icon { width: 12px; height: 12px; color: #62c8ff; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; }
.footer-col h2 {
  margin-bottom: 11px;
  color: #64798f;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 0;
  color: #9eafc2;
  font-size: 12px;
  transition: color 0.2s ease, transform 0.2s ease;
}
.footer-col a:hover { color: #fff; transform: translateX(2px); }
.footer-disclaimer {
  margin-top: 42px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-disclaimer p {
  max-width: 980px;
  color: #61758a;
  font-size: 10px;
  line-height: 1.85;
}
.footer-disclaimer p + p { margin-top: 6px; }
.footer-disclaimer strong { color: #8297ac; font-weight: 700; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 22px;
  color: #60748a;
  font-size: 10px;
}
.footer-bottom-links { display: flex; align-items: center; gap: 16px; }
.footer-bottom-links a { transition: color 0.2s ease; }
.footer-bottom-links a:hover { color: #fff; }
.footer-bottom-links span { color: #43566b; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.04em; }

/* ---------- 16. Floating UI ---------- */
.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 70;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 34px -18px rgba(11, 23, 40, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s var(--ease), background-color 0.2s ease;
}
.back-to-top .icon { width: 17px; height: 17px; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: #fff; transform: translateY(-2px); }

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  z-index: 200;
  max-width: min(90vw, 460px);
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: #eaf7f2;
  background: rgba(7, 19, 33, 0.94);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  font-size: 11.5px;
  line-height: 1.5;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  backdrop-filter: blur(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.35s var(--ease);
}
.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ---------- 17. Motion ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@keyframes dialIn {
  from { stroke-dashoffset: 641; }
  to { stroke-dashoffset: 128; }
}
@keyframes softPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.42; }
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-26px, 18px, 0) scale(1.06); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes spin {
  to { rotate: 360deg; }
}
@keyframes globeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes barIn {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}
@keyframes barGrow {
  from { transform: scaleY(0.05); opacity: 0.2; }
  to { transform: scaleY(1); opacity: 1; }
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 1120px) {
  .nav { gap: 26px; }
  .nav-links { gap: 22px; }
  .hero-inner { gap: 30px; }
  .hero h1 { font-size: clamp(46px, 5.4vw, 66px); }
  .float-card-a { left: -1%; }
  .float-card-b { right: -1%; }
  .split { gap: 58px; }
  .faq-layout { gap: 48px; }
  .cta-panel { padding: 48px 46px; }
}

@media (max-width: 960px) {
  .section { padding: 90px 0; }
  .nav-links,
  .nav-login { display: none; }
  .nav-actions { margin-left: auto; }
  .menu-toggle { display: grid; }
  .nav { height: 70px; }

  .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    padding: 14px 24px 24px;
    border-bottom: 1px solid var(--line);
    background: #ffffff;
    box-shadow: 0 30px 50px -30px rgba(11, 23, 40, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.28s ease, visibility 0.28s ease, transform 0.3s var(--ease);
  }
  .mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
  .mobile-menu nav { display: grid; }
  .mobile-menu nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 2px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
  }
  .mobile-menu nav .icon { width: 16px; height: 16px; color: var(--muted-2); }
  .mobile-menu .btn { margin-top: 18px; }
  .mobile-menu-note {
    margin-top: 10px;
    color: var(--muted-2);
    font-size: 10px;
    text-align: center;
    letter-spacing: 0.04em;
  }

  .hero { padding-top: 54px; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; min-height: 0; }
  .hero-copy { max-width: 660px; }
  .hero h1 { font-size: clamp(44px, 7.2vw, 66px); }
  .hero-sub { max-width: 600px; }
  .hero-visual { min-height: 560px; margin-top: 6px; }
  .trust-strip { margin-top: 10px; }
  .trust-logos { gap: 22px; }

  .bento-card { grid-column: span 6; }
  .bento-main,
  .bento-oneclick,
  .bento-card:nth-child(5) { grid-column: span 12; }
  .feature-band { grid-template-columns: 1fr; gap: 14px; }

  .network { padding: 94px 0 86px; }
  .network-layout { grid-template-columns: 1fr; gap: 30px; }
  .network-copy { max-width: 680px; }
  .globe-wrap { max-width: 600px; margin: 0 auto; width: 100%; }
  .network-stats { margin-top: 44px; }

  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-media { max-width: 620px; width: 100%; }
  .security .split-media { order: 2; }
  .security .split-copy { order: 1; }

  .platform-grid { grid-template-columns: 1fr 1fr; }
  .download-info { grid-template-columns: 1fr; gap: 26px; }
  .steps-list { grid-template-columns: 1fr; gap: 22px; }
  .steps-list li { padding-right: 0; }
  .steps-list li:not(:last-child)::after {
    top: auto;
    bottom: -13px;
    left: 19px;
    width: 1px;
    height: 16px;
    border-top: 0;
    border-left: 1px dashed rgba(11, 23, 40, 0.16);
  }
  .step-num { right: 0; }

  .scene-grid,
  .guide-grid { grid-template-columns: 1fr 1fr; }
  .scene-grid .scene-card:last-child,
  .guide-grid .guide-card:last-child { grid-column: span 2; }
  .guide-grid .guide-card:last-child { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
  .guide-grid .guide-card:last-child .guide-image { height: 100%; }
  .guide-grid .guide-card:last-child .guide-body { align-self: center; }

  .faq-layout { grid-template-columns: 1fr; gap: 34px; }
  .faq-aside { position: static; max-width: 620px; }
  .faq-aside .section-sub { max-width: 540px; }

  .cta-panel { flex-direction: column; align-items: flex-start; gap: 30px; padding: 44px 38px; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; min-width: 0; }
  .cta-actions .btn { width: auto; }

  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-brand { grid-column: span 3; }
  .footer-brand > p { max-width: 520px; }
}

@media (max-width: 720px) {
  .container { width: calc(100% - 32px); }
  .topbar-inner { height: 36px; }
  .topbar-note {
    max-width: 100%;
    overflow: hidden;
    font-size: 10.5px;
    text-overflow: ellipsis;
  }
  .topbar-link { display: none; }
  .nav { height: 66px; gap: 12px; }
  .brand img { width: 36px; height: 36px; }
  .brand-word { font-size: 20px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-actions .btn-sm { height: 40px; padding: 0 13px; font-size: 12px; }
  .nav-actions .btn-sm .icon { display: none; }
  .menu-toggle { width: 40px; height: 40px; }

  .section { padding: 78px 0; }
  .section-head { margin-bottom: 38px; }
  .section h2 { font-size: clamp(30px, 7.4vw, 40px); }
  .section-sub { font-size: 14.5px; line-height: 1.8; }
  .br-desktop { display: none; }

  .hero { padding-top: 42px; }
  .hero h1 { margin-top: 20px; font-size: clamp(39px, 10.5vw, 54px); }
  .hero-sub { margin-top: 19px; font-size: 14.5px; line-height: 1.85; }
  .hero-actions { margin-top: 27px; }
  .hero-points { gap: 8px 14px; font-size: 11.5px; }
  .hero-stats { gap: 26px; margin-top: 32px; padding-top: 22px; }
  .hero-stats dt { font-size: 25px; }
  .hero-stats dd { font-size: 10px; }
  .hero-visual { min-height: 500px; }
  .app-window { transform: none; padding: 17px; border-radius: 25px; }
  .dial-wrap { width: 222px; height: 222px; }
  .dial-copy strong { font-size: 38px; }
  .float-card { padding: 9px 11px 9px 9px; }
  .float-card-a { top: 2%; left: 0; }
  .float-card-b { right: 0; bottom: 8%; }
  .float-pill { bottom: 0; font-size: 8px; }
  .ring-1 { width: 390px; height: 390px; }
  .ring-2 { width: 510px; height: 510px; }
  .ring-3 { width: 310px; height: 310px; }
  .trust-strip { flex-direction: column; align-items: flex-start; gap: 13px; }
  .trust-logos { gap: 17px; flex-wrap: wrap; }
  .trust-logos span { font-size: 11px; }

  .bento-card,
  .bento-main,
  .bento-oneclick,
  .bento-card:nth-child(5) { grid-column: span 12; }
  .bento-main { grid-template-columns: 1fr; padding: 26px; }
  .bento-card { padding: 24px; }
  .latency-visual { margin-top: 4px; }
  .bento h3 { font-size: 18.5px; }
  .feature-band { padding: 20px; }

  .network { padding: 78px 0 72px; }
  .region-tabs { width: 100%; justify-content: space-between; }
  .region-tab { flex: 1; padding: 8px 6px; }
  .region-panel { min-height: 236px; }
  .node-chip { font-size: 7.5px; padding: 6px 8px; }
  .node-chip strong { display: none; }
  .node-chip-1 { top: 17%; left: 0; }
  .node-chip-2 { top: 12%; right: 1%; }
  .node-chip-3 { right: 0; bottom: 24%; }
  .node-chip-4 { bottom: 13%; left: 1%; }
  .network-stats { grid-template-columns: 1fr 1fr; gap: 22px 18px; }
  .network-stats strong { font-size: 29px; }

  .split { gap: 34px; }
  .split-media { padding: 20px; border-radius: 25px; }
  .speed-console { padding: 18px; border-radius: 19px; }
  .console-chart { height: 76px; }
  .media-note { display: none; }
  .media-chip-a { top: -14px; left: 6px; bottom: auto; }
  .media-chip-b { right: 6px; bottom: -14px; top: auto; }
  .security-media { padding: 16px; }
  .security-chip-1 { left: -5px; }
  .security-chip-2 { right: -5px; }
  .security-grid { gap: 10px; }
  .security-item { padding: 14px; }

  .platform-grid { grid-template-columns: 1fr; gap: 12px; }
  .platform-card { padding: 21px; }
  .download-info { padding: 24px; }
  .steps { padding: 24px; }
  .steps-head { flex-direction: column; gap: 3px; }

  .scene-grid,
  .guide-grid { grid-template-columns: 1fr; }
  .scene-grid .scene-card:last-child,
  .guide-grid .guide-card:last-child { grid-column: auto; }
  .guide-grid .guide-card:last-child { display: block; }
  .guide-grid .guide-card:last-child .guide-image { height: auto; }

  .faq-layout { gap: 26px; }
  .faq-q { padding: 18px 0; }
  .faq-q > span:first-child { font-size: 14px; }
  .faq-a-inner p { max-width: 100%; font-size: 12.5px; }

  .cta-section { padding: 4px 0 78px; }
  .cta-panel { padding: 34px 24px; border-radius: 26px; }
  .cta-copy > img { width: 52px; height: 52px; }
  .cta-copy h2 { font-size: 32px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; min-width: 150px; }
  .cta-rings span:nth-child(1) { width: 250px; height: 250px; }
  .cta-rings span:nth-child(2) { width: 350px; height: 350px; }
  .cta-rings span:nth-child(3) { width: 460px; height: 460px; }

  .site-footer { padding-top: 48px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .footer-brand { grid-column: span 2; }
  .footer-disclaimer { margin-top: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .back-to-top { right: 16px; bottom: 16px; width: 40px; height: 40px; }
}

@media (max-width: 460px) {
  .hero h1 { font-size: 38px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 10px; }
  .hero-stats div:last-child { grid-column: auto; }
  .hero-stats dt { font-size: 23px; }
  .hero-stats dd { font-size: 9.5px; letter-spacing: 0; }
  .hero-visual { min-height: 465px; }
  .float-card-b { display: none; }
  .float-pill { display: none; }
  .dial-wrap { width: 205px; height: 205px; }
  .server-row { padding: 9px 10px; }
  .app-bottom { margin-top: 11px; }
  .trust-logos { gap: 13px; }
  .trust-logos span { font-size: 10px; }
  .bento-main { padding: 22px; }
  .latency-visual { padding: 12px; }
  .latency-visual svg { height: 88px; }
  .security-grid { grid-template-columns: 1fr; }
  .console-main { gap: 8px; }
  .console-badge { display: none; }
  .media-chip { display: none; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { flex: none; width: 100%; height: 52px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-col:last-child { grid-column: span 2; }
  .service-select { width: 100%; }
  .footer-badges { max-width: 100%; }
  .footer-bottom-links span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Light-blue visual system 鈥?official QuickQ blue (#138EF8)
   ========================================================================== */

:root {
  --bg: #f2f8ff;
  --bg-soft: #e8f3ff;
  --surface: #ffffff;
  --ink: #082b50;
  --ink-2: #1d4b74;
  --muted: #5c7b99;
  --muted-2: #7b94ad;
  --line: rgba(12, 91, 168, 0.1);
  --line-strong: rgba(12, 91, 168, 0.18);
  --brand: #138ef8;
  --brand-dark: #0b6fd6;
  --brand-soft: rgba(19, 142, 248, 0.1);
  --mint: #5bc8ff;
  --cyan: #62c8ff;
  --violet: #8fb6ff;
  --amber: #4fa8ff;
  --navy: #0b2f55;
  --navy-2: #124a7a;
  --shadow-sm: 0 1px 2px rgba(14, 64, 120, 0.03), 0 18px 40px -28px rgba(14, 64, 120, 0.16);
  --shadow-lg: 0 40px 90px -38px rgba(14, 64, 120, 0.26);
}

body {
  background:
    radial-gradient(1100px 640px at 96% -120px, rgba(19, 142, 248, 0.13), transparent 60%),
    radial-gradient(900px 560px at -8% 0%, rgba(98, 200, 255, 0.13), transparent 58%),
    var(--bg);
}

/* ---------- global accents ---------- */
::selection { background: rgba(19, 142, 248, 0.2); }

.topbar {
  color: #2d5b85;
  background:
    radial-gradient(700px 80px at 20% 0%, rgba(19, 142, 248, 0.12), transparent 70%),
    linear-gradient(90deg, #e2f0ff, #eef8ff 58%, #e2f0ff);
  border-bottom-color: rgba(19, 142, 248, 0.12);
}
.topbar-dot { background: var(--brand); box-shadow: 0 0 0 4px rgba(19, 142, 248, 0.12); }
.topbar-sep { color: rgba(8, 43, 80, 0.25); }
.topbar-link { color: var(--brand-dark); }
.topbar-link:hover { color: var(--brand); }

.site-header { background: rgba(244, 250, 255, 0.78); }
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.93);
  border-bottom-color: var(--line);
  box-shadow: 0 14px 36px -30px rgba(14, 64, 120, 0.28);
}
.brand img { filter: drop-shadow(0 8px 14px rgba(19, 142, 248, 0.18)); }
.brand-word { color: var(--ink); }
.brand-word span { color: var(--brand); }
.brand-tag { color: #6f8da8; border-color: var(--line); }
.nav-links a, .nav-login { color: #365d80; }
.nav-links a:hover, .nav-login:hover { color: var(--brand-dark); }
.nav-links a::after { background: linear-gradient(90deg, var(--brand), var(--cyan)); }
.menu-toggle { background: #fff; border-color: var(--line); }
.mobile-menu { background: #fff; border-bottom-color: var(--line); }
.mobile-menu nav a { border-bottom-color: var(--line); }
.mobile-menu nav .icon { color: var(--muted-2); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #138ef8 0%, #0b6fd6 100%);
  box-shadow:
    0 16px 32px -14px rgba(19, 142, 248, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn-primary:hover {
  box-shadow:
    0 22px 42px -16px rgba(19, 142, 248, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.btn-ghost {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(255, 255, 255, 0.8);
}
.btn-ghost:hover { border-color: rgba(19, 142, 248, 0.4); background: #fff; }
.btn-light { color: var(--brand-dark); background: #fff; }
.btn-light:hover { background: #f4faff; }
.skip-link { background: var(--brand-dark); }

.eyebrow {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.07);
}
.eyebrow-dot { background: var(--brand); box-shadow: 0 0 0 4px rgba(19, 142, 248, 0.1); }
.eyebrow-dark {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.07);
}
.text-link { border-bottom-color: rgba(19, 142, 248, 0.45); }
.text-link .icon { color: var(--brand-dark); }
.text-link:hover { color: var(--brand-dark); }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(900px 540px at 78% 8%, rgba(19, 142, 248, 0.08), transparent 62%),
    linear-gradient(180deg, #edf7ff 0%, #f2f8ff 64%, #f7fbff 100%);
}
.hero-grid-bg {
  background-image:
    linear-gradient(rgba(19, 142, 248, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 142, 248, 0.055) 1px, transparent 1px);
}
.hero-orb-a { background: radial-gradient(circle, rgba(19, 142, 248, 0.2), transparent 66%); }
.hero-orb-b { background: radial-gradient(circle, rgba(98, 200, 255, 0.2), transparent 68%); }
.hero h1 .grad {
  background: linear-gradient(100deg, #0b6fd6 0%, #138ef8 46%, #62c8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--muted); }
.hero-points { color: #456b8e; }
.hero-points .icon { color: var(--brand-dark); }
.hero-stats { border-top-color: var(--line); }
.hero-stats dt { color: var(--ink); }
.hero-stats dt span { color: var(--brand); }
.hero-stats dd { color: var(--muted-2); }
.ring-1 { border-color: rgba(19, 142, 248, 0.2); }
.ring-2 { border-color: rgba(98, 200, 255, 0.24); }
.ring-3 { border-color: rgba(19, 142, 248, 0.1); }
.ring-2::before { background: var(--cyan); box-shadow: 0 0 0 5px rgba(98, 200, 255, 0.12), 0 0 20px rgba(98, 200, 255, 0.65); }
.ring-2::after { background: var(--brand); box-shadow: 0 0 0 5px rgba(19, 142, 248, 0.12), 0 0 20px rgba(19, 142, 248, 0.6); }
.hero-visual::before { background: radial-gradient(circle, rgba(19, 142, 248, 0.16), rgba(98, 200, 255, 0.09) 42%, transparent 70%); }

.app-window {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.16);
  background:
    radial-gradient(120% 110% at 85% 0%, rgba(19, 142, 248, 0.1), transparent 45%),
    radial-gradient(100% 90% at 0% 100%, rgba(98, 200, 255, 0.12), transparent 48%),
    linear-gradient(155deg, #ffffff 0%, #f5fbff 58%, #eaf5ff 100%);
  box-shadow:
    0 55px 100px -32px rgba(14, 83, 148, 0.28),
    inset 0 1px 0 #ffffff;
}
.app-window::after {
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.55), transparent 30%);
  mask-image: linear-gradient(#000, transparent 45%);
  -webkit-mask-image: linear-gradient(#000, transparent 45%);
}
.app-brand { color: var(--ink); }
.app-brand em { color: #6f8da8; border-color: rgba(19, 142, 248, 0.15); }
.app-status {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.08);
}
.app-status i { background: var(--brand); box-shadow: 0 0 0 3px rgba(19, 142, 248, 0.12); }
.dial-ticks {
  background: repeating-conic-gradient(from -90deg, rgba(11, 47, 85, 0.22) 0deg 1deg, transparent 1deg 7.5deg);
  opacity: 0.5;
}
.dial-copy span { color: #6f8da8; }
.dial-copy strong { color: var(--ink); }
.dial-copy em { color: var(--brand-dark); }
.server-row { background: rgba(19, 142, 248, 0.06); border-color: rgba(19, 142, 248, 0.1); }
.server-code {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.1);
}
.server-name span { color: #6f8da8; }
.server-name strong { color: var(--ink); }
.server-ping { color: #4c7598; }
.server-ping i { background: var(--brand); }
.server-chevron { color: #7c95ae; }
.app-metric span, .app-metric small { color: #6f8da8; }
.app-metric strong { color: var(--ink); }
.app-power {
  color: #fff;
  background: linear-gradient(145deg, #62c8ff, #0b6fd6);
  box-shadow: 0 0 0 5px rgba(19, 142, 248, 0.1), 0 8px 18px rgba(19, 142, 248, 0.28);
}
.float-card { border-color: rgba(19, 142, 248, 0.14); background: rgba(255, 255, 255, 0.92); }
.float-card div span { color: var(--muted); }
.float-icon { background: linear-gradient(145deg, #138ef8, #62c8ff); }
.float-pill { color: var(--ink-2); border-color: rgba(19, 142, 248, 0.14); background: rgba(255, 255, 255, 0.86); }
.pulse-dot { background: var(--brand); box-shadow: 0 0 0 3px rgba(19, 142, 248, 0.12); }

.trust-strip { border-top-color: var(--line); }
.trust-strip > p { color: var(--muted-2); }
.trust-logos span { color: #6f8da8; }

/* ---------- feature bento ---------- */
.features {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 48%, rgba(255, 255, 255, 0) 100%);
}
.bento-card {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-sm);
}
.bento-card:hover { border-color: rgba(19, 142, 248, 0.22); box-shadow: 0 30px 60px -36px rgba(14, 64, 120, 0.25); }
.bento-main {
  background:
    radial-gradient(90% 120% at 100% 100%, rgba(19, 142, 248, 0.07), transparent 50%),
    linear-gradient(145deg, #ffffff, #f7fcff);
}
.bento-oneclick {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.24);
  background:
    radial-gradient(120% 100% at 90% 0%, rgba(19, 142, 248, 0.2), transparent 48%),
    radial-gradient(90% 90% at 0% 100%, rgba(98, 200, 255, 0.2), transparent 52%),
    linear-gradient(150deg, #eaf6ff, #d3eaff);
  box-shadow: 0 26px 50px -30px rgba(14, 83, 148, 0.24);
}
.bento-oneclick:hover { border-color: rgba(19, 142, 248, 0.28); }
.bento h3, .bento-oneclick h3 { color: var(--ink); }
.bento-card > p, .bento-oneclick > p { color: var(--muted); }
.feature-icon,
.feature-icon-cyan,
.feature-icon-violet,
.feature-icon-amber {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.15);
  background: linear-gradient(145deg, rgba(19, 142, 248, 0.14), rgba(19, 142, 248, 0.04));
}
.bento-oneclick .feature-icon {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.09);
}
.card-tag, .mini-badge { color: var(--muted-2); border-color: var(--line); }
.mini-badge .icon { color: var(--brand-dark); }
.latency-visual { border-color: var(--line); background: rgba(255, 255, 255, 0.86); }
.latency-head em, .latency-live { color: var(--brand-dark) !important; }
.toggle-track { background: linear-gradient(90deg, var(--brand), var(--cyan)); box-shadow: 0 0 0 4px rgba(19, 142, 248, 0.08); }
.toggle-label { color: var(--brand-dark); }
.toggle-line { background: rgba(11, 47, 85, 0.1); }
.toggle-speed { color: var(--ink); }
.toggle-speed small { color: var(--muted-2); }
.feature-band { border-color: var(--line); background: rgba(255, 255, 255, 0.76); }
.band-icon { color: var(--brand-dark); background: rgba(19, 142, 248, 0.09); }
.feature-band strong { color: var(--ink); }
.feature-band span:not(.band-icon) { color: var(--muted); }

/* ---------- global network (light) ---------- */
.network {
  color: var(--ink);
  background:
    radial-gradient(900px 620px at 86% 40%, rgba(19, 142, 248, 0.13), transparent 60%),
    radial-gradient(700px 560px at 4% 80%, rgba(98, 200, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #e8f4ff 0%, #f0f8ff 55%, #eaf5ff 100%);
}
.network-grid-bg {
  background-image:
    linear-gradient(rgba(19, 142, 248, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 142, 248, 0.055) 1px, transparent 1px);
}
.network-glow { background: radial-gradient(circle, rgba(19, 142, 248, 0.16), transparent 65%); }
.network h2 { color: var(--ink); }
.network .section-sub { color: var(--muted); }
.region-tabs { border-color: rgba(19, 142, 248, 0.13); background: rgba(255, 255, 255, 0.7); }
.region-tab { color: #4c7598; }
.region-tab:hover { color: var(--ink); }
.region-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, #138ef8, #0b6fd6);
  box-shadow: 0 6px 16px -6px rgba(19, 142, 248, 0.5);
}
.region-city { color: var(--ink-2); }
.region-line { background: rgba(19, 142, 248, 0.12); }
.region-line i { background: linear-gradient(90deg, #138ef8, #62c8ff); box-shadow: 0 0 12px rgba(19, 142, 248, 0.28); }
.region-ping { color: #5e7e9c; }
.region-note { color: #7590a8; }
.network .btn-light {
  color: var(--brand-dark);
  border: 1px solid rgba(19, 142, 248, 0.18);
  background: #fff;
  box-shadow: 0 18px 40px -24px rgba(14, 83, 148, 0.25);
}
.network .btn-light:hover { background: #f4faff; }
.node-chip {
  color: #1e4b72;
  border-color: rgba(19, 142, 248, 0.14);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 30px -16px rgba(14, 83, 148, 0.3);
}
.node-chip strong { color: var(--brand-dark); }
.node-dot { background: var(--brand); box-shadow: 0 0 0 3px rgba(19, 142, 248, 0.12), 0 0 11px rgba(19, 142, 248, 0.6); }
.network-stats { border-top-color: rgba(19, 142, 248, 0.14); }
.network-stats strong { color: var(--ink); }
.network-stats span { color: var(--muted-2); }

/* ---------- speed console (light) ---------- */
.speed {
  background:
    radial-gradient(700px 500px at 100% 20%, rgba(19, 142, 248, 0.07), transparent 60%),
    linear-gradient(180deg, #f5faff, #ffffff);
}
.speed-console {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.14);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(19, 142, 248, 0.1), transparent 48%),
    linear-gradient(155deg, #ffffff, #f1f9ff);
  box-shadow: 0 30px 60px -30px rgba(14, 83, 148, 0.24);
}
.console-head { color: #6887a4; }
.console-head em {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.2);
}
.console-value strong { color: var(--ink); }
.console-value span { color: #6f8da8; }
.console-badge {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.07);
}
.console-chart { border-bottom-color: rgba(19, 142, 248, 0.1); }
.console-chart span { background: linear-gradient(180deg, rgba(19, 142, 248, 0.9), rgba(98, 200, 255, 0.15)); }
.console-chart span:nth-child(2n) { background: linear-gradient(180deg, rgba(98, 200, 255, 0.9), rgba(19, 142, 248, 0.12)); }
.console-grid {
  border-bottom-color: rgba(19, 142, 248, 0.1);
}
.console-grid span, .console-grid small { color: #6f8da8; }
.console-grid strong { color: var(--ink); }
.console-server > div span { color: #6f8da8; }
.console-server > div strong { color: var(--ink); }
.console-status { color: var(--brand-dark); }
.media-note { color: rgba(8, 43, 80, 0.38); }
.media-chip { border-color: rgba(19, 142, 248, 0.14); background: rgba(255, 255, 255, 0.92); }
.media-chip .icon { color: var(--brand-dark); }
.media-chip strong { color: var(--ink); }
.media-chip span { color: var(--muted); }
.split-media { border-color: rgba(19, 142, 248, 0.1); }
.security-media { background: radial-gradient(100% 100% at 0% 0%, rgba(19, 142, 248, 0.16), transparent 50%), linear-gradient(150deg, #effaff, #e8f4ff 60%, #f2f8ff); }
.security-chip { color: var(--ink-2); border-color: rgba(19, 142, 248, 0.14); background: rgba(255, 255, 255, 0.92); }
.security-chip .icon { color: var(--brand-dark); }

/* ---------- security ---------- */
.security {
  background:
    radial-gradient(840px 580px at 94% 50%, rgba(19, 142, 248, 0.1), transparent 65%),
    linear-gradient(180deg, #eff9ff, #f4faff);
}
.security-item {
  border-color: rgba(12, 91, 168, 0.13);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 34px -30px rgba(14, 83, 148, 0.25);
}
.security-item > span { color: var(--brand-dark); background: rgba(19, 142, 248, 0.09); }
.security-item strong { color: var(--ink); }
.security-item p { color: var(--muted); }

/* ---------- download ---------- */
.download { background: linear-gradient(180deg, #ffffff, #f7fbff); }
.detect-note {
  color: var(--brand-dark);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(19, 142, 248, 0.07);
}
.platform-card {
  border-color: var(--line);
  background: linear-gradient(160deg, #ffffff, #fafdff);
}
.platform-card:hover, .platform-card.is-detected {
  border-color: rgba(19, 142, 248, 0.35);
  box-shadow: 0 28px 55px -32px rgba(19, 142, 248, 0.24);
}
.platform-card.is-detected {
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(19, 142, 248, 0.09), transparent 55%),
    linear-gradient(160deg, #ffffff, #f6fbff);
}
.platform-windows { color: #138ef8; background: #e8f4ff; }
.platform-macos { color: #1f5f99; background: #eef7ff; }
.platform-android { color: #0b6fd6; background: #e8f4ff; }
.platform-ios { color: #4f7fe0; background: #eff4ff; }
.platform-badge { color: var(--brand-dark); border-color: rgba(19, 142, 248, 0.2); background: rgba(19, 142, 248, 0.08); }
.platform-version { color: var(--muted-2); }
.platform-meta { border-top-color: var(--line); }
.platform-meta li { color: var(--muted); }
.platform-meta li::before { background: var(--brand); }
.platform-link { color: var(--ink); border-top-color: var(--line); }
.platform-link .icon { color: var(--brand-dark); }
.platform-link:hover { color: var(--brand-dark); }
.download-info {
  border-color: var(--line);
  background:
    radial-gradient(80% 100% at 0% 0%, rgba(19, 142, 248, 0.07), transparent 50%),
    #f3f9ff;
}
.download-info-list > div > span { color: var(--brand-dark); background: #fff; }
.download-info-list p { color: var(--muted); }
.steps { border-color: var(--line); background: #fff; }
.steps-head > span { color: var(--muted-2); }
.step-icon { color: var(--brand-dark); background: rgba(19, 142, 248, 0.08); }
.steps-list p { color: var(--muted); }
.step-num { color: var(--muted-2); }

/* ---------- scenes ---------- */
.scenes { background: var(--bg); }
.scene-card { border-color: var(--line); background: rgba(255, 255, 255, 0.86); }
.avatar-a { background: linear-gradient(145deg, #62c8ff, #0b6fd6); }
.avatar-b { background: linear-gradient(145deg, #8fb6ff, #138ef8); }
.avatar-c { background: linear-gradient(145deg, #4fa8ff, #84a9ff); }
.scene-head div span { color: var(--muted-2); }
.quote-icon { color: rgba(19, 142, 248, 0.28); }
.scene-card blockquote { color: var(--ink-2); }
.scene-tags span { color: var(--muted-2); border-color: var(--line); background: rgba(255, 255, 255, 0.7); }
.scene-note { color: var(--muted-2); }

/* ---------- guides ---------- */
.guides { background: #f7fbff; }
.guide-card { border-color: var(--line); background: #fff; }
.guide-card:hover { border-color: rgba(19, 142, 248, 0.2); }
.guide-image { background: #eaf5ff; }
.guide-arrow { border-color: rgba(19, 142, 248, 0.14); color: var(--brand-dark); background: rgba(255, 255, 255, 0.9); }
.guide-meta { color: var(--muted-2); }
.guide-meta span:first-child { color: var(--brand-dark); }
.guide-body p { color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { background: var(--bg); }
.faq-list { border-top-color: var(--line); }
.faq-item { border-bottom-color: var(--line); }
.faq-q > span:first-child { color: var(--ink); }
.faq-q:hover > span:first-child { color: var(--brand-dark); }
.faq-icon { border-color: var(--line); color: var(--muted); background: rgba(255, 255, 255, 0.72); }
.faq-item.is-open .faq-icon { color: var(--brand-dark); background: rgba(19, 142, 248, 0.07); }
.faq-a-inner p { color: var(--muted); }

/* ---------- final CTA (light blue) ---------- */
.cta-section { background: var(--bg); }
.cta-panel {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.16);
  background:
    radial-gradient(700px 400px at 88% 10%, rgba(19, 142, 248, 0.2), transparent 60%),
    radial-gradient(620px 420px at 8% 100%, rgba(98, 200, 255, 0.2), transparent 60%),
    linear-gradient(135deg, #dceeff, #f0f9ff 60%, #d6ebff);
  box-shadow: 0 40px 90px -44px rgba(14, 83, 148, 0.3);
}
.cta-rings span { border-color: rgba(19, 142, 248, 0.12); }
.cta-rings span:nth-child(2) { border-color: rgba(19, 142, 248, 0.16); }
.cta-rings span:nth-child(3) { border-color: rgba(19, 142, 248, 0.1); }
.cta-copy > img { border-radius: 16px; filter: drop-shadow(0 12px 24px rgba(19, 142, 248, 0.2)); }
.cta-copy h2 { color: var(--ink); }
.cta-copy > p:last-child { color: var(--muted); }
.cta-panel .btn-light {
  color: #fff;
  background: linear-gradient(135deg, #138ef8, #0b6fd6);
  box-shadow: 0 18px 40px -22px rgba(19, 142, 248, 0.55);
}
.cta-panel .btn-light:hover { background: linear-gradient(135deg, #2b9cff, #0b6fd6); }
.cta-panel .btn-outline-light {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.24);
  background: rgba(255, 255, 255, 0.56);
}
.cta-panel .btn-outline-light:hover { border-color: rgba(19, 142, 248, 0.45); background: rgba(255, 255, 255, 0.82); }

/* ---------- footer (light) ---------- */
.site-footer {
  color: var(--muted);
  border-top: 1px solid rgba(19, 142, 248, 0.1);
  background:
    radial-gradient(800px 300px at 15% 0%, rgba(19, 142, 248, 0.1), transparent 65%),
    #eaf4ff;
}
.brand-footer .brand-word { color: var(--ink); }
.brand-footer .brand-word span { color: var(--brand); }
.footer-brand > p { color: var(--muted); }
.footer-badges span { color: #4c7598; border-color: rgba(19, 142, 248, 0.14); background: rgba(255, 255, 255, 0.52); }
.footer-badges .icon { color: var(--brand-dark); }
.footer-col h2 { color: #5d7b99; }
.footer-col a { color: #4c6f90; }
.footer-col a:hover { color: var(--brand-dark); }
.footer-disclaimer { border-top-color: rgba(19, 142, 248, 0.12); border-bottom-color: rgba(19, 142, 248, 0.12); }
.footer-disclaimer p { color: #6b89a5; }
.footer-disclaimer strong { color: #3c668c; }
.footer-bottom { color: #6b89a5; }
.footer-bottom-links a:hover { color: var(--brand-dark); }
.footer-bottom-links span { color: #8ea8c0; }

.back-to-top { color: var(--brand-dark); background: rgba(255, 255, 255, 0.94); border-color: var(--line); }
.back-to-top:hover { background: #fff; }
.toast {
  color: var(--ink);
  border-color: rgba(19, 142, 248, 0.18);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 20px 50px -20px rgba(14, 64, 120, 0.28);
}