:root {
  color-scheme: dark;
  --bg: #06111f;
  --panel: #0b1b2d;
  --panel-strong: #10263c;
  --line: #1c3b58;
  --text: #eef7ff;
  --muted: #9db1c5;
  --cyan: #45d9d3;
  --blue: #4484ff;
  --danger: #ff8c8c;
  --shadow: 0 20px 55px rgba(0, 0, 0, .24);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--text); background: radial-gradient(circle at 85% 8%, rgba(45, 128, 170, .13), transparent 30rem), var(--bg); line-height: 1.65; }
a { color: inherit; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 32px; padding: 16px clamp(20px, 5vw, 72px); border-bottom: 1px solid rgba(69, 217, 211, .16); background: rgba(6, 17, 31, .92); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: .03em; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 2px solid var(--cyan); border-radius: 50%; color: var(--cyan); box-shadow: inset 0 0 0 5px var(--bg), inset 0 0 0 7px var(--cyan); }
.brand small { color: var(--cyan); font-size: .68em; margin-left: 4px; }
.nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 650; padding: 8px 4px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav-toggle { display: none; }
.top-account { display: flex; align-items: center; gap: 12px; margin-left: auto; color: var(--muted); }
.top-account strong { color: var(--cyan); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--panel-strong); font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; }
.button.primary { border: 0; background: linear-gradient(105deg, #3bcab6, #407bf3); }
.button.ghost { background: transparent; }
.button.danger { color: var(--danger); border-color: rgba(255, 140, 140, .35); }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { padding: clamp(64px, 10vw, 128px) 0 64px; }
.eyebrow, .kicker { color: var(--cyan); text-transform: uppercase; letter-spacing: .18em; font-size: 13px; font-weight: 800; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }
h1 { max-width: 850px; font-size: clamp(42px, 7vw, 76px); letter-spacing: -.045em; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 22px; }
p { color: var(--muted); margin: 0 0 16px; }
.hero p { max-width: 680px; font-size: 19px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.section { padding: 56px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 24px; }
.section-head p { max-width: 520px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid.five { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card, .workspace-card, .notice { border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, rgba(16, 38, 60, .94), rgba(8, 24, 40, .92)); box-shadow: var(--shadow); }
.card { min-height: 210px; padding: 24px; }
.card .card-icon { color: var(--cyan); font-size: 26px; margin-bottom: 22px; }
.card a { text-decoration: none; }
.card a:hover h3 { color: var(--cyan); }
.workspace-card { padding: clamp(20px, 4vw, 36px); }
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--text); font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: var(--text); background: #081727; font: inherit; }
textarea { min-height: 190px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(69, 217, 211, .45); outline-offset: 2px; }
.helper { color: var(--muted); font-size: 14px; }
.policy { color: #c1d4e6; padding: 14px 16px; border-left: 3px solid var(--cyan); background: rgba(69, 217, 211, .07); }
.status { min-height: 24px; color: var(--muted); }
.status.error { color: var(--danger); }
.status.success { color: var(--cyan); }
.feature-list { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.feature-list li { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(5, 17, 29, .44); }
.feature-list strong { display: block; margin-bottom: 4px; }
.tool-card, .news-card { min-height: 250px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 15px 0; }
.tag { padding: 4px 10px; border: 1px solid rgba(69, 217, 211, .35); border-radius: 999px; color: var(--cyan); font-size: 13px; }
.meta { color: var(--muted); font-size: 14px; }
.image-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.image-work { overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: #030b14; }
.image-work img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.image-work-body { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px; }
.image-work-body a, .image-work-body button { color: var(--cyan); font: inherit; font-weight: 700; background: none; border: 0; cursor: pointer; }
.footer { margin-top: 64px; padding: 32px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.copy-row { display: flex; gap: 8px; justify-content: space-between; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-row button { min-height: 38px; padding: 7px 13px; }
.filter-row button.active { border-color: var(--cyan); color: var(--cyan); }
.docs pre { overflow: auto; padding: 18px; border: 1px solid var(--line); border-radius: 12px; color: #c9efff; background: #030b14; }
.docs code { font-family: "Cascadia Code", Consolas, monospace; }
.login-box { max-width: 580px; margin: 50px auto; }
.login-box form { display: grid; gap: 16px; }
.hidden { display: none !important; }
@media (max-width: 980px) { .grid.five { grid-template-columns: repeat(2, minmax(0, 1fr)); } .topbar { gap: 14px; } .nav { gap: 10px; } .nav a { font-size: 14px; } }
@media (max-width: 760px) { .topbar { flex-wrap: wrap; } .nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; } .nav-toggle { display: none; } .top-account { margin-left: auto; } .hero { padding-top: 64px; } .section-head, .split { display: block; } .section-head p { margin-top: 12px; } .grid, .grid.five, .form-grid, .image-grid { grid-template-columns: 1fr; } .field.full { grid-column: auto; } .card, .workspace-card { border-radius: 15px; } h1 { font-size: clamp(38px, 13vw, 58px); } .container { width: min(100% - 28px, 620px); } .top-account small { display: none; } }