:root {
    --bg: #07080d;
    --panel: #0e1018;
    --panel-soft: #151722;
    --line: rgba(255,255,255,.12);
    --text: #f4f6ff;
    --muted: #a8afc2;
    --blue: #002FA7;
    --blue-light: #3f71ff;
    --green: #b9ff2d;
    --gray: #d8dbe5;
    --shadow: 0 24px 80px rgba(0,0,0,.35);
    --radius: 26px;
    --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 8%, rgba(0,47,167,.35), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(185,255,45,.12), transparent 28%),
        linear-gradient(180deg, #07080d 0%, #10121b 52%, #07080d 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 18px clamp(18px, 4vw, 54px);
    background: rgba(7,8,13,.78);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 190px; }
.brand-mark {
    width: 48px; height: 48px; border-radius: 16px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--blue), #050914 64%, var(--green));
    border: 1px solid rgba(255,255,255,.16);
    font-weight: 900; letter-spacing: -.05em;
}
.brand-copy strong { display: block; font-size: 20px; letter-spacing: .08em; }
.brand-copy em { display: block; font-style: normal; color: var(--muted); font-size: 12px; margin-top: -4px; }
.site-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a {
    padding: 9px 13px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--text); border-color: rgba(255,255,255,.16); background: rgba(255,255,255,.06); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.nav-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--text); }
main { min-height: 72vh; }
.section, .hero, .page-hero { width: min(var(--max), calc(100% - 36px)); margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(330px, .96fr); gap: 44px; align-items: center; padding: 72px 0 42px; }
.eyebrow { color: var(--green); letter-spacing: .2em; text-transform: uppercase; font-size: 13px; font-weight: 800; }
h1, h2, h3 { line-height: 1.16; margin: 0 0 16px; letter-spacing: -.03em; }
h1 { font-size: clamp(42px, 7vw, 82px); max-width: 830px; }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 23px; }
p { margin: 0 0 18px; color: var(--muted); }
.lead { font-size: clamp(17px, 2vw, 21px); max-width: 760px; color: #d9ddea; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 48px; padding: 0 20px;
    border-radius: 999px; border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.06); color: var(--text); font-weight: 800;
}
.btn.primary { background: linear-gradient(135deg, var(--blue-light), var(--blue)); border-color: rgba(255,255,255,.12); box-shadow: 0 18px 40px rgba(0,47,167,.34); }
.btn.ghost { color: var(--gray); }
.hero-visual, .visual-card, .page-visual {
    position: relative;
    border-radius: var(--radius);
    padding: 18px;
    background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.04));
    border: 1px solid rgba(255,255,255,.16);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.hero-visual:before, .page-visual:before {
    content: ""; position: absolute; inset: -40% 10% auto auto; width: 220px; height: 220px;
    background: rgba(185,255,45,.18); filter: blur(45px); border-radius: 50%;
}
.hero-visual img, .page-visual img, .visual-card img { position: relative; border-radius: 18px; width: 100%; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; }
.stat { padding: 18px; border: 1px solid var(--line); background: rgba(255,255,255,.05); border-radius: 18px; }
.stat strong { display: block; font-size: 29px; }
.stat span { color: var(--muted); font-size: 13px; }
.section { padding: 72px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-head p { max-width: 620px; }
.grid { display: grid; gap: 20px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,.055);
    box-shadow: 0 14px 44px rgba(0,0,0,.18);
}
.card:hover { border-color: rgba(185,255,45,.4); transform: translateY(-2px); transition: .25s ease; }
.icon { width: 58px; height: 58px; margin-bottom: 18px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.badge { border: 1px solid rgba(255,255,255,.16); color: var(--gray); padding: 7px 12px; border-radius: 999px; font-size: 13px; background: rgba(255,255,255,.04); }
.work-masonry { columns: 3 260px; column-gap: 20px; }
.work-card {
    break-inside: avoid; margin: 0 0 20px; overflow: hidden;
    border-radius: 24px; border: 1px solid var(--line); background: rgba(255,255,255,.06);
}
.work-card img { width: 100%; }
.work-card div { padding: 20px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.timeline:before { content: ""; position: absolute; left: 8%; right: 8%; top: 34px; height: 1px; background: linear-gradient(90deg, transparent, var(--blue-light), var(--green), transparent); }
.step { position: relative; padding: 78px 22px 24px; border: 1px solid var(--line); background: rgba(255,255,255,.05); border-radius: 22px; }
.step:before { content: attr(data-step); position: absolute; top: 18px; left: 22px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: white; font-weight: 900; border: 2px solid rgba(255,255,255,.35); }
.panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
    padding: clamp(24px, 4vw, 44px);
}
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 32px; align-items: center; }
.page-hero { display: grid; grid-template-columns: 1fr .72fr; gap: 36px; align-items: center; padding: 68px 0 34px; }
.page-hero h1 { font-size: clamp(38px, 5vw, 66px); }
.kicker { display: inline-flex; padding: 6px 12px; border-radius: 999px; color: var(--green); background: rgba(185,255,45,.08); border: 1px solid rgba(185,255,45,.24); margin-bottom: 16px; font-weight: 800; }
.service-row { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; }
.service-row + .service-row { margin-top: 18px; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.video-card { border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: rgba(255,255,255,.06); }
.video-frame { aspect-ratio: 16/9; display: grid; place-items: center; background: radial-gradient(circle at 50% 40%, rgba(63,113,255,.4), rgba(255,255,255,.05)); position: relative; }
.play { width: 66px; height: 66px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25); }
.play:before { content: ""; border-left: 18px solid var(--green); border-top: 11px solid transparent; border-bottom: 11px solid transparent; margin-left: 4px; }
.video-card div:last-child { padding: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; color: var(--gray); }
.field.full { grid-column: 1 / -1; }
input, textarea, select {
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 16px;
    background: rgba(255,255,255,.07);
    color: var(--text);
    padding: 14px 15px;
    outline: none;
}
textarea { min-height: 150px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--green); }
.notice { margin-top: 14px; color: var(--green); min-height: 26px; }
.faq details { border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; background: rgba(255,255,255,.05); }
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 900; }
.faq p { margin-top: 12px; margin-bottom: 0; }
.site-footer { margin-top: 72px; border-top: 1px solid var(--line); background: rgba(0,0,0,.22); }
.footer-grid { width: min(var(--max), calc(100% - 36px)); margin: 0 auto; padding: 34px 0; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.footer-grid strong { font-size: 22px; }
.footer-grid span { color: var(--green); font-size: 13px; letter-spacing: .1em; }
.footer-grid p { margin: 8px 0 0; font-size: 14px; }
.mini-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.mini-list li { border-left: 3px solid var(--green); padding-left: 12px; color: var(--muted); }
.callout { background: linear-gradient(135deg, rgba(0,47,167,.55), rgba(185,255,45,.1)); border: 1px solid rgba(255,255,255,.16); border-radius: 28px; padding: clamp(26px, 5vw, 52px); }
@media (max-width: 940px) {
    .nav-toggle { display: block; }
    .site-nav { display: none; position: absolute; left: 18px; right: 18px; top: 78px; padding: 14px; background: rgba(7,8,13,.96); border: 1px solid var(--line); border-radius: 22px; justify-content: flex-start; }
    .site-nav.is-open { display: flex; }
    .hero, .page-hero, .split, .service-row { grid-template-columns: 1fr; }
    .grid.three, .grid.four, .video-grid, .timeline, .footer-grid { grid-template-columns: 1fr 1fr; }
    .timeline:before { display: none; }
}
@media (max-width: 640px) {
    .site-header { padding: 14px 18px; }
    .brand-copy em { display: none; }
    .hero, .page-hero { padding-top: 44px; }
    .section { padding: 48px 0; }
    .section-head { display: block; }
    .grid.three, .grid.four, .grid.two, .video-grid, .timeline, .footer-grid, .form-grid, .stats { grid-template-columns: 1fr; }
    h1 { font-size: 42px; }
}