:root {
    --bg: #050713;
    --bg-soft: #090d1e;
    --panel: rgba(13, 18, 39, 0.72);
    --panel-solid: #0d1227;
    --line: rgba(134, 160, 255, 0.16);
    --line-bright: rgba(103, 235, 255, 0.38);
    --text: #f2f6ff;
    --muted: #9da9c3;
    --muted-dark: #72809f;
    --cyan: #63e9ff;
    --blue: #527cff;
    --purple: #a56dff;
    --green: #73f4bc;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    line-height: 1.7;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.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;
}
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.site-background {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(circle at 50% -10%, rgba(47, 68, 163, 0.2), transparent 34%), var(--bg);
}
.nebula {
    position: absolute;
    width: 650px;
    height: 650px;
    border-radius: 50%;
    filter: blur(95px);
    opacity: 0.22;
}
.nebula-one { top: -180px; right: -150px; background: #2446ff; }
.nebula-two { bottom: 5%; left: -300px; background: #681dce; opacity: 0.15; }
.grid-plane {
    position: absolute;
    inset: 0;
    opacity: 0.34;
    background-image: linear-gradient(rgba(103, 140, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(103, 140, 255, 0.07) 1px, transparent 1px);
    background-size: 74px 74px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 20;
    border-bottom: 1px solid transparent;
    transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}
.site-header.is-scrolled {
    border-color: var(--line);
    background: rgba(5, 7, 19, 0.76);
    backdrop-filter: blur(18px);
}
.header-inner { display: flex; min-height: 78px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { position: relative; display: inline-grid; width: 31px; height: 31px; place-items: center; }
.brand-core {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    box-shadow: 0 0 20px var(--cyan);
}
.brand-orbit {
    position: absolute;
    width: 30px;
    height: 16px;
    border: 1px solid rgba(125, 239, 255, 0.82);
    border-radius: 50%;
    transform: rotate(-32deg);
}
.brand-name { color: #f8fbff; font-size: 17px; font-weight: 800; letter-spacing: 0.24em; }
.brand-name span { color: var(--cyan); }
.site-nav { display: flex; align-items: center; gap: 31px; }
.site-nav a {
    color: var(--muted);
    font-size: 14px;
    transition: color 180ms ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--cyan); }
.site-nav .nav-cta {
    padding: 8px 18px;
    border: 1px solid rgba(99, 233, 255, 0.46);
    border-radius: 99px;
    color: var(--text);
    background: rgba(99, 233, 255, 0.07);
}
.menu-toggle { display: none; }
.section-shell { position: relative; }
.hero { min-height: 810px; padding: 156px 0 86px; }
.hero-grid { display: grid; min-height: 600px; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 40px; }
.eyebrow {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 0 0 20px;
    color: var(--cyan);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.22em;
}
.eyebrow span { display: inline-block; width: 32px; height: 1px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
h1, h2, h3, p { margin-top: 0; }
h1 {
    margin-bottom: 24px;
    font-size: clamp(53px, 6vw, 76px);
    font-weight: 700;
    letter-spacing: -0.07em;
    line-height: 1.12;
}
h1 strong, h2 strong {
    color: transparent;
    background: linear-gradient(100deg, #f2f8ff 5%, var(--cyan) 52%, #8290ff);
    background-clip: text;
    -webkit-background-clip: text;
    font-weight: inherit;
}
.hero-description { max-width: 610px; color: var(--muted); font-size: 17px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 13px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #03111a; background: linear-gradient(110deg, var(--cyan), #8da6ff); box-shadow: 0 0 30px rgba(99, 233, 255, 0.16); }
.button-primary:hover { box-shadow: 0 0 34px rgba(99, 233, 255, 0.34); }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.button-ghost { border-color: var(--line); color: var(--text); background: rgba(120, 148, 255, 0.04); }
.button-ghost:hover { border-color: var(--line-bright); background: rgba(99, 233, 255, 0.06); }
.hero-proof { display: flex; gap: 34px; margin-top: 66px; }
.hero-proof div { display: grid; gap: 1px; padding-right: 34px; border-right: 1px solid var(--line); }
.hero-proof div:last-child { border-right: 0; }
.hero-proof strong { color: var(--cyan); font-size: 22px; font-weight: 700; letter-spacing: -0.04em; }
.hero-proof span { color: var(--muted-dark); font-size: 11px; letter-spacing: 0.1em; }
.hero-visual { position: relative; min-height: 565px; }
.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(56, 71, 255, 0.27);
    filter: blur(70px);
    transform: translate(-50%, -50%);
}
.orbit { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(124, 178, 255, 0.19); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit i { position: absolute; display: block; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.orbit-outer { width: 500px; height: 500px; animation: spin 22s linear infinite; }
.orbit-outer i:first-child { top: 41px; left: 92px; }
.orbit-outer i:nth-child(2) { right: 11px; bottom: 153px; width: 4px; height: 4px; }
.orbit-outer i:nth-child(3) { bottom: 20px; left: 155px; width: 4px; height: 4px; background: var(--purple); }
.orbit-middle { width: 378px; height: 378px; border-color: rgba(132, 111, 255, 0.3); animation: spin-reverse 16s linear infinite; }
.orbit-middle i:first-child { top: 5px; right: 101px; width: 5px; height: 5px; background: #8a70ff; }
.orbit-middle i:nth-child(2) { bottom: 52px; left: 39px; width: 5px; height: 5px; }
.orbit-inner { width: 282px; height: 282px; border-color: rgba(99, 233, 255, 0.24); border-style: dashed; animation: spin 35s linear infinite; }
.planet {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 206px;
    height: 206px;
    overflow: hidden;
    border: 1px solid rgba(131, 225, 255, 0.58);
    border-radius: 50%;
    background: radial-gradient(circle at 34% 29%, rgba(115, 238, 255, 0.85), rgba(50, 73, 205, 0.83) 32%, rgba(13, 19, 67, 0.96) 78%);
    box-shadow: inset -34px -22px 54px rgba(0, 0, 0, 0.3), 0 0 50px rgba(57, 135, 255, 0.46);
    transform: translate(-50%, -50%);
}
.planet-shade { position: absolute; inset: -30% -24% 5% 38%; border-radius: 50%; background: rgba(3, 9, 37, 0.42); filter: blur(13px); }
.planet-line { position: absolute; width: 160%; height: 42px; border: 1px solid rgba(165, 236, 255, 0.18); border-radius: 50%; transform: rotate(-18deg); }
.line-one { top: 31px; left: -54px; }.line-two { top: 83px; left: -51px; }.line-three { top: 135px; left: -49px; }
.signal-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border: 1px solid rgba(129, 180, 255, 0.24);
    border-radius: 6px;
    background: rgba(8, 14, 37, 0.7);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}
.signal-card small { display: block; color: var(--muted-dark); font-size: 9px; letter-spacing: 0.16em; }
.signal-card strong { display: block; color: #e9f8ff; font-size: 13px; }
.signal-card-top { top: 119px; right: 0; }
.signal-card-bottom { bottom: 105px; left: 4px; display: block; min-width: 138px; }
.signal-card-bottom strong { margin: 2px 0 4px; color: var(--cyan); font-size: 25px; }
.signal-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 15px var(--green); }
.mini-chart { display: flex; height: 23px; align-items: end; gap: 5px; }
.mini-chart i { display: block; width: 4px; background: linear-gradient(to top, #3751bf, var(--cyan)); }
.mini-chart i:nth-child(1) { height: 7px; }.mini-chart i:nth-child(2) { height: 13px; }.mini-chart i:nth-child(3) { height: 10px; }.mini-chart i:nth-child(4) { height: 18px; }.mini-chart i:nth-child(5) { height: 23px; }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; display: flex; align-items: center; gap: 12px; color: var(--muted-dark); font-size: 8px; letter-spacing: 0.25em; transform: translateX(-50%); }
.hero-scroll span { display: block; width: 1px; height: 42px; background: linear-gradient(to bottom, var(--cyan), transparent); }
.section { padding: 126px 0; border-top: 1px solid rgba(104, 132, 225, 0.08); }
.section-intro { background: rgba(8, 11, 28, 0.42); }
.section-heading { max-width: 690px; margin-bottom: 56px; }
h2 { margin-bottom: 19px; color: #f1f5ff; font-size: clamp(34px, 4vw, 50px); letter-spacing: -0.065em; line-height: 1.22; }
.section-heading > p:last-child { max-width: 620px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.solution-card {
    position: relative;
    min-height: 324px;
    overflow: hidden;
    padding: 28px 24px 24px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: linear-gradient(150deg, rgba(17, 25, 57, 0.85), rgba(10, 14, 33, 0.6));
    transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}
.solution-card::after { position: absolute; right: -35px; bottom: -35px; width: 110px; height: 110px; border-radius: 50%; background: var(--cyan); content: ""; filter: blur(60px); opacity: 0; transition: opacity 220ms ease; }
.solution-card:hover { border-color: rgba(99, 233, 255, 0.43); background: linear-gradient(150deg, rgba(20, 36, 69, 0.94), rgba(10, 17, 39, 0.74)); transform: translateY(-7px); }
.solution-card:hover::after { opacity: 0.18; }
.card-number { position: absolute; top: 22px; right: 24px; color: rgba(138, 159, 217, 0.28); font-size: 15px; letter-spacing: 0.12em; }
.icon-box { display: grid; width: 52px; height: 52px; margin-bottom: 30px; place-items: center; border: 1px solid rgba(99, 233, 255, 0.26); border-radius: 4px; background: rgba(99, 233, 255, 0.06); }
.icon-box svg { width: 31px; height: 31px; fill: none; stroke: var(--cyan); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.4; }
.solution-card h3, .advantage-item h3, .process-step h3, .scenario-card h3 { margin-bottom: 10px; font-size: 19px; font-weight: 600; }
.solution-card p, .advantage-item p, .process-step p, .scenario-card p { color: var(--muted); font-size: 13px; line-height: 1.85; }
.card-link { position: absolute; bottom: 22px; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; }
.card-link i { padding-left: 4px; font-style: normal; transition: padding 180ms ease; }
.solution-card:hover .card-link i { padding-left: 9px; }
.advantage-section { background: linear-gradient(90deg, rgba(13, 20, 50, 0.6), transparent); }
.advantage-grid { display: grid; grid-template-columns: 1fr 0.98fr; align-items: center; gap: 72px; }
.data-window { overflow: hidden; border: 1px solid rgba(109, 157, 255, 0.23); border-radius: 6px; background: rgba(8, 14, 34, 0.82); box-shadow: var(--shadow), 0 0 70px rgba(55, 90, 255, 0.12); }
.window-bar { display: flex; height: 41px; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid var(--line); background: rgba(99, 131, 255, 0.04); }
.window-bar i { width: 6px; height: 6px; border-radius: 50%; background: #3c4a73; }
.window-bar i:first-child { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.window-bar span { margin-left: auto; color: #657292; font-size: 8px; letter-spacing: 0.16em; }
.window-grid { display: grid; min-height: 380px; grid-template-columns: 1fr 1fr; padding: 15px; gap: 11px; }
.window-grid > div { padding: 16px; border: 1px solid rgba(121, 150, 229, 0.12); border-radius: 3px; background: rgba(21, 31, 65, 0.42); }
.window-grid small { color: #8290ae; font-size: 10px; letter-spacing: 0.06em; }
.window-stat strong { display: block; margin-top: 18px; color: var(--cyan); font-size: 42px; letter-spacing: -0.08em; }
.window-stat strong span { font-size: 22px; }.window-stat em { color: var(--green); font-size: 11px; font-style: normal; }
.radar { position: relative; overflow: hidden; }
.radar-ring { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(99, 233, 255, 0.22); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-a { width: 55px; height: 55px; }.ring-b { width: 102px; height: 102px; }.ring-c { width: 154px; height: 154px; }
.radar-sweep { position: absolute; top: 50%; left: 50%; width: 76px; height: 76px; border-top: 1px solid var(--cyan); background: linear-gradient(35deg, transparent 53%, rgba(99, 233, 255, 0.12)); transform-origin: top left; animation: radar 6s linear infinite; }
.radar-point { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.point-a { top: 32%; left: 37%; }.point-b { top: 59%; left: 68%; }.point-c { top: 71%; left: 29%; }
.bars { display: flex; height: 120px; align-items: end; gap: 10px; padding-top: 18px; }
.bars i { flex: 1; background: linear-gradient(to top, rgba(80, 103, 246, 0.4), var(--cyan)); }
.bars i:nth-child(1) { height: 31%; }.bars i:nth-child(2) { height: 47%; }.bars i:nth-child(3) { height: 41%; }.bars i:nth-child(4) { height: 63%; }.bars i:nth-child(5) { height: 58%; }.bars i:nth-child(6) { height: 76%; }.bars i:nth-child(7) { height: 91%; }
.activity span { display: flex; align-items: center; gap: 8px; margin-top: 18px; color: #a7b7d4; font-size: 10px; letter-spacing: 0.12em; }
.activity i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.advantage-copy .section-heading { margin-bottom: 32px; }
.advantage-list { display: grid; gap: 11px; }
.advantage-item { display: flex; gap: 19px; padding: 17px 0; border-top: 1px solid var(--line); }
.advantage-item > strong { padding-top: 2px; color: var(--cyan); font-size: 13px; letter-spacing: 0.12em; }
.advantage-item h3 { margin-bottom: 4px; }.advantage-item p { margin-bottom: 0; }
.process-section { background: rgba(8, 12, 28, 0.48); }
.section-heading-centered { max-width: 760px; margin-right: auto; margin-left: auto; text-align: center; }
.section-heading-centered .eyebrow { justify-content: center; }
.section-heading-centered > p:last-child { margin-right: auto; margin-left: auto; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.process-step { position: relative; padding-right: 30px; }
.step-index { display: grid; width: 65px; height: 65px; margin-bottom: 27px; place-items: center; border: 1px solid var(--line-bright); border-radius: 50%; color: var(--cyan); background: rgba(99, 233, 255, 0.04); box-shadow: inset 0 0 25px rgba(99, 233, 255, 0.05), 0 0 20px rgba(99, 233, 255, 0.07); font-size: 15px; letter-spacing: 0.1em; }
.step-line { position: absolute; top: 32px; left: 82px; width: calc(100% - 95px); height: 1px; background: linear-gradient(to right, var(--line-bright), var(--line)); }
.process-step p { max-width: 215px; }
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.scenario-card { min-height: 176px; padding: 27px 27px 24px; border: 1px solid var(--line); border-radius: 4px; background: linear-gradient(115deg, rgba(19, 28, 60, 0.72), rgba(8, 13, 31, 0.55)); transition: border-color 180ms ease, transform 180ms ease; }
.scenario-card:hover { border-color: var(--line-bright); transform: translateY(-4px); }
.scenario-card span { color: var(--cyan); font-size: 10px; letter-spacing: 0.14em; }
.scenario-card h3 { margin-top: 17px; margin-bottom: 6px; }.scenario-card p { max-width: 460px; margin-bottom: 0; }
.contact-section { position: relative; overflow: hidden; background: radial-gradient(circle at 10% 80%, rgba(71, 50, 199, 0.19), transparent 40%), rgba(7, 11, 28, 0.72); }
.contact-section::after { position: absolute; top: -80px; right: -120px; width: 480px; height: 480px; border: 1px solid rgba(99, 233, 255, 0.08); border-radius: 50%; content: ""; box-shadow: 0 0 0 62px rgba(99, 233, 255, 0.014), 0 0 0 124px rgba(99, 233, 255, 0.01); }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 83px; }
.contact-copy > p:not(.eyebrow) { max-width: 505px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.contact-note { display: flex; align-items: center; gap: 14px; margin-top: 35px; }
.contact-note > span { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--line-bright); border-radius: 50%; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; }
.contact-note strong, .contact-note small { display: block; }.contact-note strong { font-size: 14px; }.contact-note small { color: var(--muted-dark); font-size: 12px; }
.form-panel { padding: 29px; border: 1px solid rgba(116, 157, 255, 0.24); border-radius: 6px; background: rgba(9, 15, 37, 0.82); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-field { margin-bottom: 15px; }
.form-field label { display: block; margin-bottom: 7px; color: #c5d0e5; font-size: 12px; font-weight: 600; letter-spacing: 0.05em; }
.form-field input, .form-field select, .form-field textarea {
    display: block;
    width: 100%;
    border: 1px solid rgba(121, 148, 215, 0.21);
    border-radius: 3px;
    outline: none;
    color: var(--text);
    background: rgba(5, 10, 26, 0.74);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}
.form-field input, .form-field select { height: 44px; padding: 0 12px; }
.form-field textarea { min-height: 112px; padding: 10px 12px; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #56617b; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(99, 233, 255, 0.08); }
.submit-button { width: 100%; border: 0; }
.form-footnote { margin: 12px 0 0; color: #65718e; font-size: 10px; text-align: center; }
.form-message { margin-bottom: 16px; padding: 10px 12px; border-radius: 3px; font-size: 12px; }
.form-message-success { border: 1px solid rgba(115, 244, 188, 0.3); color: #abf8d8; background: rgba(115, 244, 188, 0.08); }
.form-message-error { border: 1px solid rgba(255, 124, 143, 0.3); color: #ffb4c0; background: rgba(255, 124, 143, 0.08); }
.field-error { display: block; margin-top: 4px; color: #ff9bad; font-size: 11px; }
.site-footer { border-top: 1px solid var(--line); background: rgba(4, 6, 15, 0.82); }
.footer-inner { display: flex; min-height: 92px; align-items: center; gap: 25px; }
.footer-inner p { margin: 0; color: var(--muted-dark); font-size: 12px; }
.footer-inner small { margin-left: auto; color: #5d6984; font-size: 11px; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes spin-reverse { to { transform: translate(-50%, -50%) rotate(-360deg); } }
@keyframes radar { to { transform: rotate(360deg); } }
@media (max-width: 1040px) {
    .hero-grid { grid-template-columns: 1fr 0.8fr; }
    .hero-visual { min-height: 500px; transform: scale(0.88); transform-origin: center; }
    .solution-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { gap: 44px; }
    .contact-grid { gap: 45px; }
}
@media (max-width: 820px) {
    .container { width: min(calc(100% - 34px), var(--container)); }
    .header-inner { min-height: 69px; }
    .menu-toggle { display: grid; width: 40px; height: 40px; place-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 4px; color: white; background: rgba(10, 16, 36, 0.65); }
    .menu-toggle span:not(.sr-only) { display: block; width: 18px; height: 1px; background: var(--text); transition: transform 180ms ease, opacity 180ms ease; }
    .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(6px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
    .menu-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-6px) rotate(-45deg); }
    .site-nav {
        position: fixed;
        top: 69px;
        right: 0;
        left: 0;
        display: grid;
        gap: 0;
        padding: 11px 17px 20px;
        border-bottom: 1px solid var(--line);
        background: rgba(5, 8, 20, 0.96);
        backdrop-filter: blur(20px);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 180ms ease, transform 180ms ease;
    }
    .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
    .site-nav a { padding: 13px 7px; }
    .site-nav .nav-cta { margin-top: 8px; padding: 10px 15px; text-align: center; }
    .hero { min-height: auto; padding: 142px 0 93px; }
    .hero-grid { display: block; min-height: auto; }
    h1 { font-size: clamp(47px, 12vw, 66px); }
    .hero-description { font-size: 15px; }
    .hero-proof { gap: 16px; margin-top: 50px; }
    .hero-proof div { padding-right: 16px; }
    .hero-proof strong { font-size: 19px; }
    .hero-visual { display: none; }
    .hero-scroll { display: none; }
    .section { padding: 89px 0; }
    h2 { font-size: clamp(33px, 8vw, 46px); }
    .section-heading { margin-bottom: 38px; }
    .advantage-grid, .contact-grid { grid-template-columns: 1fr; }
    .advantage-grid { gap: 48px; }
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 12px; }
    .step-line { display: none; }
    .contact-grid { gap: 39px; }
    .footer-inner { min-height: 126px; flex-wrap: wrap; align-content: center; gap: 7px 18px; padding: 20px 0; }
    .footer-inner p { width: 100%; order: 3; }
    .footer-inner small { margin-left: auto; }
}
@media (max-width: 560px) {
    .solution-grid, .scenario-grid, .form-row { grid-template-columns: 1fr; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .hero-proof { gap: 10px; justify-content: space-between; }
    .hero-proof div { padding-right: 10px; }
    .hero-proof strong { font-size: 18px; }
    .hero-proof span { font-size: 9px; }
    .solution-card { min-height: 294px; }
    .advantage-visual { margin: 0 -8px; }
    .window-grid { min-height: 344px; padding: 9px; gap: 7px; }
    .window-grid > div { padding: 11px; }
    .window-stat strong { font-size: 32px; }
    .bars { gap: 6px; }
    .activity span { gap: 5px; margin-top: 15px; font-size: 8px; letter-spacing: 0.05em; }
    .process-step { padding-right: 9px; }
    .step-index { width: 53px; height: 53px; margin-bottom: 20px; }
    .process-step h3 { font-size: 17px; }
    .process-step p { font-size: 12px; }
    .form-panel { padding: 19px; }
    .footer-inner small { width: 100%; margin-left: 0; order: 2; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
}