:root {
  --bg: #050816;
  --bg-soft: #081024;
  --panel: rgba(10, 22, 45, .76);
  --line: rgba(134, 190, 255, .16);
  --line-bright: rgba(86, 231, 244, .4);
  --text: #f4f8ff;
  --muted: #91a1ba;
  --cyan: #67edf3;
  --blue: #5388ff;
  --violet: #9b6dff;
  --green: #54e5a7;
  --danger: #ff7d9f;
  --container: min(1180px, calc(100% - 48px));
  color-scheme: dark;
  font-family: "Microsoft YaHei UI", "PingFang SC", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); overflow-x: hidden; overscroll-behavior-x: none; }
body { width: 100%; max-width: 100%; margin: 0; overflow-x: hidden; overscroll-behavior-x: none; color: var(--text); background: var(--bg); }
body::selection { color: #03101e; background: var(--cyan); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img, video { max-width: 100%; }
.container { width: var(--container); max-width: 100%; margin-inline: auto; }
.section-pad[id] { scroll-margin-top: 96px; }
.hero-grid > * { min-width: 0; }
.section-pad { position: relative; padding: 116px 0; }
.section-dark { background: linear-gradient(180deg, rgba(7, 14, 31, .82), rgba(5, 8, 22, .96)); border-block: 1px solid var(--line); }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 14px; transform: translateY(-150%); color: #00111a; background: var(--cyan); border-radius: 8px; }
.skip-link:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.ambient { position: fixed; z-index: -3; border-radius: 50%; filter: blur(10px); pointer-events: none; }
.ambient-one { width: 620px; height: 620px; top: -280px; right: -180px; background: radial-gradient(circle, rgba(70, 94, 255, .2), transparent 68%); }
.ambient-two { width: 580px; height: 580px; bottom: -260px; left: -210px; background: radial-gradient(circle, rgba(126, 70, 255, .13), transparent 70%); }
.grid-layer { position: fixed; z-index: -4; inset: 0; opacity: .24; pointer-events: none; background-image: linear-gradient(rgba(99, 177, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(99, 177, 255, .06) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 86%); }

.site-header { position: fixed; z-index: 100; top: 0; width: 100%; border-bottom: 1px solid transparent; transition: .25s ease; }
.site-header.scrolled { background: rgba(5, 8, 22, .86); border-color: var(--line); backdrop-filter: blur(18px); }
.nav-shell { min-height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { filter: drop-shadow(0 0 16px rgba(83, 232, 244, .25)); }
.brand > span { font-size: 19px; letter-spacing: -.03em; }
.brand strong { font-weight: 800; }
.brand em { margin-left: 4px; padding-left: 14px; border-left: 1px solid var(--line); color: #73849f; font-size: 9px; font-style: normal; letter-spacing: .18em; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { position: relative; color: #aab8cc; font-size: 13px; transition: color .2s; }
.main-nav a:not(.nav-admin)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--cyan); transition: right .2s; }
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { right: 0; }
.main-nav .nav-admin { padding: 10px 16px; color: var(--cyan); border: 1px solid var(--line-bright); border-radius: 999px; background: rgba(77, 224, 239, .06); }
.nav-toggle { display: none; width: 42px; height: 42px; place-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 12px; color: #fff; background: rgba(255,255,255,.03); }
.nav-toggle span { width: 19px; height: 1px; display: block; background: currentColor; transition: .2s; }

.hero { min-height: 850px; padding-top: 184px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 820px; height: 820px; top: -100px; right: -170px; border: 1px solid rgba(78, 191, 255, .08); border-radius: 50%; box-shadow: 0 0 0 100px rgba(93, 116, 255, .025), 0 0 0 200px rgba(93, 116, 255, .018); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.eyebrow, .section-index { display: flex; align-items: center; gap: 11px; color: var(--cyan); font: 600 11px/1.2 Consolas, monospace; letter-spacing: .18em; }
.eyebrow span { width: 28px; height: 1px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hero h1 { margin: 27px 0 25px; font-size: clamp(46px, 6vw, 78px); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 span { color: transparent; background: linear-gradient(100deg, #f5fbff, var(--cyan) 48%, #9284ff); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 650px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 36px; }
.button { min-height: 49px; display: inline-flex; align-items: center; justify-content: center; gap: 13px; padding: 0 23px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 700; cursor: pointer; transition: .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #03101d; background: linear-gradient(110deg, #69f2f3, #5ea1ff); box-shadow: 0 14px 35px rgba(70, 206, 242, .16); }
.button-primary:hover { box-shadow: 0 18px 44px rgba(70, 206, 242, .27); }
.button-ghost { color: #dbe7f8; border-color: var(--line); background: rgba(255,255,255,.025); }
.button-ghost:hover { border-color: var(--line-bright); background: rgba(88, 230, 243, .06); }
.play-dot { width: 25px; height: 25px; display: grid; place-content: center; border: 1px solid rgba(102, 237, 243, .45); border-radius: 50%; color: var(--cyan); font-size: 8px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 25px; margin-top: 34px; color: #708198; font-size: 11px; }
.hero-trust span { display: flex; align-items: center; gap: 8px; }
.hero-trust i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }

.hero-visual { position: relative; min-height: 510px; display: grid; place-items: center; }
.core-panel { position: relative; z-index: 2; width: 330px; height: 390px; padding: 22px; overflow: hidden; border: 1px solid var(--line-bright); border-radius: 28px; background: linear-gradient(160deg, rgba(13, 31, 62, .89), rgba(8, 13, 34, .9)); box-shadow: inset 0 0 60px rgba(45, 161, 255, .06), 0 40px 90px rgba(0,0,0,.34), 0 0 50px rgba(55, 214, 238, .08); backdrop-filter: blur(10px); }
.core-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 20%, rgba(108, 242, 246, .08) 49%, transparent 52%); transform: translateX(-100%); animation: panelSweep 5s infinite; }
.panel-top { display: flex; align-items: center; gap: 8px; color: #6f829f; font: 10px Consolas, monospace; letter-spacing: .1em; }
.panel-top b { margin-left: auto; color: var(--green); font-weight: 500; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.core-symbol { width: 185px; height: 185px; display: grid; place-items: center; margin: 34px auto 20px; border: 1px solid rgba(98, 227, 245, .16); border-radius: 50%; background: radial-gradient(circle, rgba(74, 191, 255, .13), transparent 66%); box-shadow: inset 0 0 30px rgba(78, 188, 255, .06), 0 0 0 18px rgba(90, 118, 255, .025); animation: corePulse 4s ease-in-out infinite; }
.core-symbol img { filter: drop-shadow(0 0 22px rgba(93, 235, 245, .4)); }
.signal-bars { height: 30px; display: flex; align-items: end; gap: 5px; padding: 0 14px; }
.signal-bars span { flex: 1; height: 30%; border-radius: 2px 2px 0 0; background: linear-gradient(to top, rgba(87, 139, 255, .18), var(--cyan)); animation: signal 1.8s ease-in-out infinite alternate; }
.signal-bars span:nth-child(2) { height: 72%; animation-delay: -.5s; }
.signal-bars span:nth-child(3) { height: 45%; animation-delay: -.9s; }
.signal-bars span:nth-child(4) { height: 90%; animation-delay: -.3s; }
.signal-bars span:nth-child(5) { height: 58%; animation-delay: -1.1s; }
.core-data { display: flex; align-items: end; justify-content: space-between; margin: 17px 14px 0; }
.core-data span { color: #5f708a; font: 9px Consolas, monospace; letter-spacing: .12em; }
.core-data strong { font: 600 12px Consolas, monospace; color: var(--cyan); }
.orbit { position: absolute; border: 1px solid rgba(88, 210, 244, .12); border-radius: 50%; animation: orbitSpin 20s linear infinite; }
.orbit::before { content: ""; position: absolute; top: 50%; left: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.orbit-a { width: 440px; height: 440px; transform: rotate(23deg); }
.orbit-b { width: 510px; height: 250px; transform: rotate(-17deg); animation-duration: 15s; animation-direction: reverse; }
.float-card { position: absolute; z-index: 3; min-width: 175px; padding: 15px 17px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8, 17, 37, .82); box-shadow: 0 18px 50px rgba(0,0,0,.25); backdrop-filter: blur(12px); animation: floatCard 4s ease-in-out infinite; }
.float-card small { display: block; margin-bottom: 7px; color: #60728c; font: 9px Consolas, monospace; letter-spacing: .13em; }
.float-card strong { font: 600 11px Consolas, monospace; color: #dce8f8; }
.card-one { top: 62px; left: -20px; }
.card-two { right: -34px; bottom: 62px; animation-delay: -1.7s; }
.card-three { left: 13px; bottom: 6px; min-width: 145px; animation-delay: -.8s; }
.mini-line { display: block; width: 100%; height: 3px; margin-top: 11px; border-radius: 3px; background: linear-gradient(90deg, var(--cyan) 68%, rgba(255,255,255,.08) 68%); }
.mini-dots { display: block; margin-top: 9px; color: var(--green); letter-spacing: 6px; }
.metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 100px; border-block: 1px solid var(--line); }
.metric-strip > div { padding: 28px 24px; border-right: 1px solid var(--line); }
.metric-strip > div:last-child { border: 0; }
.metric-strip strong { display: block; margin-bottom: 8px; color: #eaf6ff; font: 600 20px Consolas, monospace; }
.metric-strip span { color: #65758d; font-size: 11px; }

.section-heading { max-width: 730px; margin-bottom: 58px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .section-index { justify-content: center; }
.section-heading h2, .split-heading h2, .advantage-copy h2, .apply-copy h2 { margin: 17px 0 18px; font-size: clamp(35px, 5vw, 55px); line-height: 1.15; letter-spacing: -.045em; }
.section-heading p, .split-heading p, .advantage-copy > p, .apply-copy > p { color: var(--muted); font-size: 15px; line-height: 1.9; }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; margin-bottom: 48px; }
.split-heading > p { max-width: 540px; margin: 0 0 9px; }
.demo-frame { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--line-bright); border-radius: 24px; background: #030610; box-shadow: 0 45px 100px rgba(0,0,0,.38), 0 0 60px rgba(78, 210, 250, .07); }
.demo-toolbar { height: 49px; display: flex; align-items: center; gap: 8px; padding: 0 20px; border-bottom: 1px solid var(--line); background: #0a1123; }
.demo-toolbar span { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: #33415a; }
.demo-toolbar span:first-child { background: #ef6683; }
.demo-toolbar span:nth-child(2) { background: #efb75d; }
.demo-toolbar span:nth-child(3) { background: #53d7aa; }
.demo-toolbar b { min-width: 0; margin-left: 8px; overflow: hidden; color: #65758e; font: 9px Consolas, monospace; letter-spacing: .12em; text-overflow: ellipsis; white-space: nowrap; }
.demo-media { position: relative; width: 100%; min-width: 0; aspect-ratio: 16/9; overflow: hidden; background: #02040b; }
.demo-media [hidden] { display: none !important; }
.demo-frame video { width: 100%; height: 100%; display: block; object-fit: contain; background: #02040b; }
.video-tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; padding: 16px; border-top: 1px solid var(--line); background: rgba(7, 14, 30, .92); }
.video-tabs:empty { display: none; }
.video-tab { min-width: 0; display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 11px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: rgba(11, 24, 48, .72); text-align: left; cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.video-tab:hover { border-color: var(--line-bright); transform: translateY(-2px); }
.video-tab.active { border-color: var(--cyan); background: linear-gradient(135deg, rgba(31, 101, 127, .36), rgba(22, 30, 71, .72)); box-shadow: 0 0 0 1px rgba(102, 237, 243, .14), 0 10px 28px rgba(0, 0, 0, .2); }
.video-tab-thumb { position: relative; width: 88px; aspect-ratio: 16/9; overflow: hidden; border-radius: 8px; background: linear-gradient(135deg, #0e2342, #17204f); }
.video-tab-thumb img { width: 100%; height: 100%; display: block; object-fit: cover; }
.video-tab-thumb::after { content: "▶"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 15px; background: rgba(2, 7, 18, .22); text-shadow: 0 1px 8px #000; }
.video-tab-copy { min-width: 0; }
.video-tab-copy strong, .video-tab-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.video-tab-copy strong { color: #f2fbff; font-size: 12px; }
.video-tab-copy small { margin-top: 5px; color: var(--muted); font-size: 10px; }
.video-placeholder { position: absolute; inset: 0; min-width: 0; min-height: 0; display: grid; place-content: center; justify-items: center; gap: 12px; padding: 24px; overflow: hidden; color: var(--muted); text-align: center; }
.video-placeholder > span { width: 70px; height: 70px; display: grid; place-content: center; border: 1px solid var(--line-bright); border-radius: 50%; color: var(--cyan); }
.video-placeholder strong { color: #fff; }
.video-placeholder small { max-width: 100%; overflow-wrap: anywhere; font-family: Consolas, monospace; }
.scan-line { position: absolute; z-index: 2; left: 0; right: 0; top: 0; height: 1px; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(102, 237, 243, .6), transparent); box-shadow: 0 0 12px var(--cyan); animation: scan 7s linear infinite; }

.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tool-card { position: relative; min-height: 250px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(145deg, rgba(13, 25, 50, .72), rgba(6, 12, 28, .58)); transition: .25s; }
.tool-card::after { content: ""; position: absolute; width: 160px; height: 160px; right: -90px; top: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(93, 211, 250, .16), transparent 70%); transition: transform .3s; }
.tool-card:hover { transform: translateY(-5px); border-color: var(--line-bright); box-shadow: 0 25px 65px rgba(0,0,0,.24); }
.tool-card:hover::after { transform: scale(1.3); }
.tool-card.feature-card { grid-row: span 2; min-height: 516px; background: linear-gradient(155deg, rgba(20, 58, 80, .62), rgba(9, 18, 39, .82)); }
.tool-card.cloud-card { grid-column: span 2; background: linear-gradient(110deg, rgba(18, 53, 76, .58), rgba(27, 16, 67, .48)); }
.tool-code { width: 47px; height: 47px; display: grid; place-content: center; border: 1px solid var(--line-bright); border-radius: 13px; color: var(--cyan); background: rgba(81, 226, 240, .06); font: 700 17px Consolas, monospace; }
.tool-card h3 { margin: 25px 0 10px; font-size: 20px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.tool-card em { margin-top: 25px; color: #4f6079; font: 9px Consolas, monospace; letter-spacing: .16em; }

.advantage-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; }
.advantage-copy { position: sticky; top: 130px; align-self: start; }
.text-link { display: inline-flex; gap: 14px; margin-top: 22px; color: var(--cyan); font-size: 13px; }
.text-link span { transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.advantage-list { border-top: 1px solid var(--line); }
.advantage-item { display: grid; grid-template-columns: 72px 1fr; gap: 23px; padding: 33px 0; border-bottom: 1px solid var(--line); }
.advantage-item > span { color: var(--cyan); font: 11px Consolas, monospace; }
.advantage-item h3 { margin: -5px 0 10px; font-size: 21px; }
.advantage-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

.pricing-grid { max-width: 930px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-inline: auto; }
.price-card { position: relative; padding: 38px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(150deg, rgba(12, 24, 49, .72), rgba(6, 12, 28, .82)); }
.price-card.primary { border-color: rgba(98, 232, 243, .42); box-shadow: 0 30px 90px rgba(38, 175, 227, .1); }
.popular { position: absolute; top: 18px; right: 18px; padding: 7px 10px; border-radius: 999px; color: #04131e; background: var(--cyan); font: 700 8px Consolas, monospace; letter-spacing: .1em; }
.price-head { display: flex; align-items: center; gap: 12px; }
.price-head span { color: var(--cyan); font: 10px Consolas, monospace; letter-spacing: .14em; }
.price-head b { color: #586a83; font-size: 11px; font-weight: 400; }
.price-card h3 { margin: 29px 0 7px; font-size: 27px; }
.price { display: flex; align-items: end; gap: 10px; margin: 17px 0 4px; }
.price strong { font: 700 55px/1 Consolas, monospace; letter-spacing: -.06em; }
.price span { margin-bottom: 7px; color: var(--cyan); font: 11px Consolas, monospace; }
.price-card > p { margin: 8px 0 27px; color: var(--muted); font-size: 12px; }
.price-card ul { display: grid; gap: 13px; margin: 0 0 31px; padding: 25px 0 0; border-top: 1px solid var(--line); list-style: none; }
.price-card li { color: #a7b5c9; font-size: 13px; }
.price-card li::before { content: "✓"; margin-right: 10px; color: var(--green); }
.plan-button { width: 100%; }
.compliance-note { max-width: 860px; margin-top: 28px; color: #65758c; font-size: 11px; line-height: 1.75; text-align: center; }

.download-table-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: rgba(8, 16, 35, .64); }
.download-table { width: 100%; border-collapse: collapse; }
.download-table th { padding: 18px 24px; color: #63748e; background: rgba(255,255,255,.018); font: 9px Consolas, monospace; letter-spacing: .14em; text-align: left; }
.download-table td { padding: 23px 24px; border-top: 1px solid var(--line); color: #9dafc6; font-size: 13px; }
.download-table td strong { margin-right: 9px; color: #fff; font: 600 14px Consolas, monospace; }
.stable { padding: 4px 7px; border: 1px solid rgba(82, 225, 166, .25); border-radius: 999px; color: var(--green); font: 8px Consolas, monospace; }
.download-link { display: inline-flex; align-items: center; gap: 9px; color: var(--cyan); font-weight: 700; }
.download-link span { transition: transform .2s; }
.download-link:hover span { transform: translateY(3px); }
.empty-row { text-align: center; }

.apply-section { overflow: hidden; background: radial-gradient(circle at 82% 44%, rgba(79, 77, 220, .13), transparent 32%); }
.apply-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.contact-block { margin-top: 46px; padding-left: 18px; border-left: 1px solid var(--cyan); }
.contact-block > span { display: block; margin-bottom: 12px; color: #5f718c; font: 9px Consolas, monospace; letter-spacing: .15em; }
.contact-block strong { display: block; margin-bottom: 8px; font-size: 16px; }
.contact-block p { margin: 6px 0; color: var(--muted); font-size: 12px; }
.contact-block a { color: var(--cyan); font-size: 12px; }
.contact-unset { color: #65758d; font-size: 12px; }
.application-panel { padding: 37px; border: 1px solid var(--line-bright); border-radius: 26px; background: linear-gradient(145deg, rgba(13, 27, 55, .87), rgba(7, 12, 29, .9)); box-shadow: 0 35px 100px rgba(0,0,0,.3); }
.form-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 27px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.form-head span { color: var(--cyan); font: 9px Consolas, monospace; letter-spacing: .15em; }
.form-head b { font-size: 15px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 8px; }
.field-wide { grid-column: 1 / -1; }
.field > span { color: #8292aa; font-size: 11px; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 11px; outline: 0; color: #eef6ff; background: rgba(2, 7, 18, .56); transition: .2s; }
.field input, .field select { height: 48px; padding: 0 14px; }
.field textarea { min-height: 112px; padding: 13px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(100, 236, 244, .58); box-shadow: 0 0 0 3px rgba(87, 225, 241, .08); }
.field input::placeholder, .field textarea::placeholder { color: #46566e; }
.honey { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.check-field { display: flex; align-items: flex-start; gap: 10px; color: #71829a; font-size: 11px; line-height: 1.6; }
.check-field input { flex: 0 0 auto; margin-top: 2px; accent-color: var(--cyan); }
.submit-button { width: 100%; margin-top: 23px; border: 0; }
.submit-button:disabled { cursor: wait; opacity: .58; transform: none; }
.form-message { min-height: 20px; margin-top: 14px; color: #8fa1b8; font-size: 12px; line-height: 1.6; text-align: center; }
.form-message.success { color: var(--green); }
.form-message.error { color: var(--danger); }

.faq-section { padding-top: 86px; border-top: 1px solid var(--line); }
.faq-list { max-width: 880px; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 17px; background: rgba(8, 17, 36, .58); }
.faq-item summary { display: flex; justify-content: space-between; padding: 21px 23px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { color: var(--cyan); font-size: 19px; transition: transform .2s; }
.faq-item[open] summary span { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 23px 22px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.site-footer { padding: 50px 0 25px; border-top: 1px solid var(--line); background: #03050d; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 45px; }
.footer-grid > div:first-child p { margin: 15px 0 0; color: #52627a; font-size: 11px; }
.footer-grid > div:not(:first-child) { display: grid; align-content: start; gap: 10px; }
.footer-grid > div:not(:first-child) strong { margin-bottom: 3px; color: #d8e6f7; font-size: 12px; }
.footer-grid > div:not(:first-child) a { color: #71829a; font-size: 11px; }
.footer-grid > div:not(:first-child) a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 21px; border-top: 1px solid var(--line); color: #485871; font: 9px Consolas, monospace; letter-spacing: .08em; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes panelSweep { 0%,55% { transform: translateX(-110%); } 80%,100% { transform: translateX(110%); } }
@keyframes corePulse { 50% { box-shadow: inset 0 0 40px rgba(78,188,255,.12), 0 0 0 24px rgba(90,118,255,.02); } }
@keyframes signal { to { height: 100%; opacity: .45; } }
@keyframes orbitSpin { to { rotate: 360deg; } }
@keyframes floatCard { 50% { translate: 0 -8px; } }
@keyframes scan { from { top: 0; } to { top: 100%; } }

@media (max-width: 1050px) {
  .main-nav { gap: 18px; }
  .main-nav a { font-size: 12px; }
  .hero-grid { gap: 25px; }
  .hero-visual { transform: scale(.88); }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-card.feature-card { grid-row: auto; min-height: 250px; }
  .tool-card.cloud-card { grid-column: span 2; }
  .advantage-layout, .apply-grid { gap: 55px; }
}

@media (max-width: 820px) {
  :root { --container: min(1180px, calc(100% - 32px)); }
  .section-pad { padding: 86px 0; }
  .nav-shell { min-height: 70px; }
  .brand em { display: none; }
  .nav-toggle { display: grid; }
  .main-nav { position: absolute; top: 70px; left: 16px; right: 16px; display: grid; gap: 0; padding: 10px; visibility: hidden; opacity: 0; transform: translateY(-10px); border: 1px solid var(--line); border-radius: 16px; background: rgba(6, 12, 28, .96); box-shadow: 0 20px 50px rgba(0,0,0,.35); backdrop-filter: blur(18px); transition: .2s; }
  .main-nav.open { visibility: visible; opacity: 1; transform: none; }
  .main-nav a { padding: 13px 12px; }
  .main-nav .nav-admin { margin-top: 6px; text-align: center; }
  .nav-toggle.open span:first-child { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:last-child { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: auto; padding-top: 130px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 470px; transform: scale(.9); }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .hero-trust { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); margin-top: 45px; }
  .metric-strip > div:nth-child(2) { border-right: 0; }
  .metric-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .split-heading, .advantage-layout, .apply-grid { grid-template-columns: 1fr; gap: 35px; }
  .advantage-copy { position: static; }
  .pricing-grid { max-width: 580px; grid-template-columns: 1fr; }
  .download-table-wrap { overflow-x: auto; }
  .download-table { min-width: 760px; }
  .application-panel { padding: 28px; }
}

@media (max-width: 560px) {
  :root { --container: min(1180px, calc(100% - 24px)); }
  .section-pad { padding: 72px 0; }
  .hero { padding-top: 112px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 14px; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 390px; transform: scale(.73); margin: -25px 0; }
  .metric-strip > div { padding: 21px 13px; }
  .metric-strip strong { font-size: 16px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card.cloud-card { grid-column: auto; }
  .tool-card { min-height: 225px; }
  .split-heading h2, .section-heading h2, .advantage-copy h2, .apply-copy h2 { font-size: 37px; }
  .demo-frame { border-radius: 15px; }
  .demo-toolbar { height: 44px; padding: 0 12px; }
  .demo-toolbar b { margin-left: 4px; letter-spacing: .08em; }
  .video-placeholder { gap: 9px; padding: 18px 12px; }
  .video-placeholder > span { width: 52px; height: 52px; }
  .video-placeholder small { font-size: 9px; }
  .video-tabs { grid-template-columns: 1fr; padding: 10px; }
  .price-card { padding: 30px 25px; }
  .price strong { font-size: 48px; }
  .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .application-panel { padding: 24px 19px; }
  .form-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}