:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --ink: #101522;
    --muted: #667085;
    --line: #dfe4ea;
    --blue: #3157ff;
    --blue-dark: #2140cf;
    --dark: #0b1020;
    --lime: #c8ff45;
    --radius: 22px;
    --shadow: 0 24px 70px rgba(20, 28, 48, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(244,246,248,.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(20,28,48,.06);
}
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; letter-spacing: -.04em; }
.brand-mark { width: 34px; height: 34px; display: grid; grid-template-columns: repeat(3,1fr); align-items: end; gap: 3px; padding: 7px; background: var(--dark); border-radius: 10px; }
.brand-mark span { display:block; background: var(--lime); border-radius: 2px; }
.brand-mark span:nth-child(1){height: 35%}.brand-mark span:nth-child(2){height: 72%}.brand-mark span:nth-child(3){height: 100%}
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 650; }
.main-nav a { color: #4a5262; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav .nav-login { padding: 11px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); }
.nav-toggle { display:none; border:0; background:none; padding:10px; }

.hero { padding: 86px 0 70px; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns: 1.12fr .88fr; gap: 70px; align-items:center; }
.eyebrow, .kicker { display:inline-flex; align-items:center; gap:10px; color: var(--blue); text-transform:uppercase; letter-spacing:.14em; font-size:12px; font-weight:800; }
.eyebrow span { width:8px; height:8px; border-radius:50%; background:var(--blue); box-shadow:0 0 0 6px rgba(49,87,255,.12); }
.hero h1, .page-hero h1, .track-page h1 { font-size: clamp(48px, 7vw, 88px); line-height:.98; letter-spacing:-.065em; margin:24px 0; max-width:800px; }
.hero h1 em { color:var(--blue); font-style:normal; }
.hero-lead, .page-hero p, .track-page p { color:var(--muted); font-size:19px; max-width:680px; }
.hero-actions { display:flex; gap:14px; margin:34px 0; flex-wrap:wrap; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:52px; padding:0 24px; border-radius:14px; border:1px solid transparent; font-weight:800; cursor:pointer; }
.button-primary { background:var(--blue); color:#fff; box-shadow:0 12px 28px rgba(49,87,255,.25); }
.button-primary:hover { background:var(--blue-dark); transform:translateY(-1px); }
.button-ghost { border-color:var(--line); background:rgba(255,255,255,.6); }
.button-light { background:#fff; color:var(--dark); }
.button-wide { width:100%; }
.trust-line { display:flex; gap:22px; flex-wrap:wrap; color:#586171; font-size:13px; }
.trust-line b { color:var(--ink); margin-right:5px; }

.hero-panel { position:relative; background:var(--dark); color:#fff; border-radius:30px; padding:24px; box-shadow:0 35px 90px rgba(11,16,32,.28); }
.hero-panel:before { content:""; position:absolute; inset:-18px 28px 50%; border-radius:30px; background:linear-gradient(135deg,#3157ff,#c8ff45); z-index:-1; filter:blur(25px); opacity:.28; }
.panel-top { display:flex; align-items:center; gap:10px; font-size:12px; color:#b7bfd1; padding-bottom:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.status-dot { width:9px; height:9px; background:var(--lime); border-radius:50%; box-shadow:0 0 0 6px rgba(200,255,69,.12); display:inline-block; }
.panel-id { margin-left:auto; font-family:monospace; }
.diagnostic-card { margin:24px 0; padding:20px; background:#151c31; border:1px solid rgba(255,255,255,.08); border-radius:20px; display:flex; gap:16px; }
.diagnostic-icon { width:48px; height:48px; display:grid; place-items:center; border-radius:15px; color:var(--lime); background:rgba(200,255,69,.08); font-size:30px; }
.diagnostic-card p { margin:5px 0 0; color:#9ba5bb; font-size:14px; }
.signal-list > div { display:flex; justify-content:space-between; gap:20px; padding:15px 0; border-top:1px solid rgba(255,255,255,.08); font-size:13px; }
.signal-list span { color:#7f899f; }
.signal-list b { text-align:right; }
.panel-link { margin-top:18px; display:flex; justify-content:space-between; align-items:center; padding:17px 18px; background:var(--lime); color:var(--dark); border-radius:15px; font-weight:850; }

.section { padding:90px 0; }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:30px; margin-bottom:38px; }
.section-heading h2, .split-feature h2 { font-size:clamp(36px,5vw,62px); line-height:1.02; letter-spacing:-.055em; margin:10px 0 0; }
.section-heading p { color:var(--muted); max-width:460px; }
.category-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.category-card { position:relative; min-height:300px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:24px; transition:.25s; }
.category-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); border-color:transparent; }
.category-num { font-size:12px; color:#9aa3b2; }
.category-icon { margin:42px 0 25px; width:48px; height:48px; display:grid; place-items:center; border-radius:15px; background:#eef1ff; color:var(--blue); font-size:25px; }
.category-card h3 { font-size:22px; margin:0 0 10px; letter-spacing:-.03em; }
.category-card p { color:var(--muted); font-size:14px; }
.card-arrow { position:absolute; right:22px; bottom:20px; font-size:22px; color:var(--blue); }

.section-dark { background:var(--dark); color:#fff; }
.kicker-light { color:var(--lime); }
.split-feature { display:grid; grid-template-columns:1fr 1fr; gap:90px; align-items:center; }
.split-feature > div > p { color:#a8b0c0; font-size:18px; max-width:560px; margin-bottom:28px; }
.steps > div { display:grid; grid-template-columns:58px 1fr; gap:18px; padding:22px 0; border-bottom:1px solid rgba(255,255,255,.1); }
.steps span { color:var(--lime); font-family:monospace; }
.steps p { margin:0; color:#a8b0c0; }
.steps b { color:#fff; }

.article-grid { display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:16px; }
.article-card { min-height:280px; display:flex; flex-direction:column; background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:24px; }
.article-featured { background:#e9edff; }
.article-meta { display:flex; justify-content:space-between; color:#7a8495; font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
.article-card h3 { font-size:24px; line-height:1.12; letter-spacing:-.035em; margin:48px 0 12px; }
.article-card p { color:var(--muted); font-size:14px; }
.read-more { margin-top:auto; color:var(--blue); font-weight:800; font-size:14px; }
.text-link { color:var(--blue); font-weight:800; }

.page-hero { padding:90px 0 55px; }
.page-hero.compact { padding-bottom:30px; }
.search-box { margin-top:36px; max-width:720px; background:#fff; border:1px solid var(--line); border-radius:18px; padding:8px; display:flex; box-shadow:var(--shadow); }
.search-box input { flex:1; min-width:0; border:0; outline:0; padding:12px 16px; background:transparent; }
.search-box button { border:0; border-radius:12px; padding:0 24px; background:var(--dark); color:#fff; font-weight:800; }

.filter-row { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px; }
.filter-chip { border:1px solid var(--line); background:#fff; border-radius:999px; padding:10px 16px; cursor:pointer; }
.filter-chip.active { background:var(--dark); color:#fff; border-color:var(--dark); }
.guide-list { border-top:1px solid var(--line); }
.guide-row { display:grid; grid-template-columns:70px 1fr 120px; gap:20px; padding:28px 4px; border-bottom:1px solid var(--line); align-items:start; }
.guide-row:hover h2 { color:var(--blue); }
.guide-index { color:#9ba4b3; font-family:monospace; }
.guide-category { color:var(--blue); font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.1em; }
.guide-row h2 { font-size:24px; margin:8px 0 6px; letter-spacing:-.035em; }
.guide-row p { margin:0; color:var(--muted); }
.guide-tail { display:flex; justify-content:space-between; color:#8a93a3; font-size:13px; }

.article-header { padding:80px 0 50px; }
.article-breadcrumbs { display:flex; gap:8px; color:#8c95a4; font-size:13px; margin-bottom:36px; }
.article-header h1 { font-size:clamp(44px,6vw,74px); line-height:1.02; letter-spacing:-.06em; margin:18px 0; }
.article-intro { font-size:20px; color:var(--muted); }
.article-note { margin-top:35px; padding:22px; border-left:4px solid var(--blue); background:#e9edff; border-radius:0 16px 16px 0; }
.article-note p { margin:5px 0 0; }
.article-layout { display:grid; grid-template-columns:230px 1fr; gap:70px; padding-bottom:100px; }
.article-toc { position:sticky; top:105px; align-self:start; display:flex; flex-direction:column; gap:12px; font-size:13px; }
.article-toc > span { font-weight:850; margin-bottom:8px; }
.article-toc a { color:var(--muted); }
.article-content { max-width:760px; }
.article-content section { padding:20px 0 48px; border-bottom:1px solid var(--line); }
.step-label { color:var(--blue); font-size:12px; font-weight:850; text-transform:uppercase; letter-spacing:.12em; }
.article-content h2 { font-size:32px; letter-spacing:-.04em; margin:10px 0 14px; }
.article-content p { color:#4f596a; font-size:17px; }
.inline-tip { background:#fff; border:1px solid var(--line); border-radius:16px; padding:18px; margin-top:20px; }
.article-cta { margin-top:50px; padding:30px; border-radius:24px; background:var(--dark); color:#fff; display:flex; justify-content:space-between; align-items:center; gap:25px; }
.article-cta h2 { margin:8px 0; }
.article-cta p { margin:0; color:#aab2c2; }

.form-section { padding-top:35px; }
.form-layout { display:grid; grid-template-columns:minmax(0,1fr) 330px; gap:35px; align-items:start; }
.request-form { background:#fff; border:1px solid var(--line); border-radius:26px; padding:30px; }
.form-block { padding:8px 0 32px; border-bottom:1px solid var(--line); margin-bottom:28px; }
.form-block-title { display:flex; gap:12px; align-items:center; margin-bottom:22px; }
.form-block-title span, .aside-num { color:var(--blue); font-family:monospace; font-size:13px; }
.form-block-title h2 { font-size:22px; margin:0; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
label { display:block; margin-bottom:16px; }
label > span { display:block; margin-bottom:8px; font-size:13px; font-weight:750; }
input, textarea { width:100%; border:1px solid var(--line); background:#f8f9fb; border-radius:13px; padding:14px 15px; outline:none; color:var(--ink); }
input:focus, textarea:focus { border-color:var(--blue); box-shadow:0 0 0 4px rgba(49,87,255,.1); }
.file-drop { border:1.5px dashed #bec6d1; border-radius:18px; min-height:150px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; cursor:pointer; background:#fafbfc; }
.file-drop input { display:none; }
.file-icon { font-size:28px; color:var(--blue); margin:0 0 5px; }
.file-drop small, .form-hint { color:#8a93a2; }
.consent { display:flex; gap:10px; align-items:flex-start; font-size:13px; color:#5e6777; }
.consent input { width:auto; margin-top:3px; }
.form-aside { display:grid; gap:15px; }
.aside-card { background:#fff; border:1px solid var(--line); border-radius:20px; padding:22px; }
.aside-card.dark { background:var(--dark); color:#fff; }
.aside-card h3 { margin:14px 0 7px; }
.aside-card p { color:#7c8595; font-size:14px; margin:0; }
.aside-card.dark p { color:#a7afbf; }

.track-page { min-height:70vh; display:flex; align-items:center; padding:80px 0; }
.track-grid { display:grid; grid-template-columns:1fr 430px; gap:80px; align-items:center; }
.track-card { background:#fff; border:1px solid var(--line); border-radius:26px; padding:28px; box-shadow:var(--shadow); }
.ticket-input { display:flex; align-items:center; border:1px solid var(--line); border-radius:14px; overflow:hidden; background:#f8f9fb; }
.ticket-input b { padding:0 15px; border-right:1px solid var(--line); color:var(--blue); }
.ticket-input input { border:0; border-radius:0; background:transparent; }
.track-card small { color:#8c95a4; display:block; margin-top:12px; }

.admin-page { min-height:75vh; background:var(--dark); padding:70px 20px; display:grid; place-items:center; }
.admin-shell { width:min(1040px,100%); display:grid; grid-template-columns:1fr 430px; gap:70px; align-items:center; }
.admin-intro { color:#fff; }
.admin-intro h1 { font-size:clamp(44px,6vw,72px); line-height:1; letter-spacing:-.06em; margin:20px 0; }
.admin-intro > p { color:#aab2c2; font-size:18px; }
.admin-stats { display:flex; gap:40px; margin-top:40px; }
.admin-stats div { display:flex; flex-direction:column; }
.admin-stats b { font-size:32px; color:var(--lime); }
.admin-stats span { color:#8993a7; font-size:13px; }
.login-card { background:#fff; border-radius:26px; padding:30px; }
.login-label { color:var(--blue); font-size:12px; font-weight:850; text-transform:uppercase; letter-spacing:.12em; }
.login-card h2 { font-size:32px; letter-spacing:-.04em; margin:10px 0 25px; }
.login-card small { display:block; color:#8c95a4; margin-top:13px; }

.site-footer { background:#e9edf1; border-top:1px solid var(--line); padding:50px 0; }
.footer-grid { display:grid; grid-template-columns:1fr auto auto; gap:60px; align-items:start; }
.footer-brand { margin-bottom:12px; }
.footer-grid p, .footer-meta { color:#7e8796; font-size:13px; }
.footer-links { display:flex; flex-direction:column; gap:9px; font-size:14px; }
.footer-meta { display:flex; flex-direction:column; gap:7px; }

@media (max-width: 920px) {
    .hero-grid, .split-feature, .track-grid, .admin-shell { grid-template-columns:1fr; }
    .hero-grid { gap:45px; }
    .category-grid { grid-template-columns:repeat(2,1fr); }
    .article-grid { grid-template-columns:1fr 1fr; }
    .article-featured { grid-column:1/-1; }
    .form-layout { grid-template-columns:1fr; }
    .form-aside { grid-template-columns:repeat(3,1fr); }
    .article-layout { grid-template-columns:1fr; }
    .article-toc { display:none; }
}
@media (max-width: 720px) {
    .container, .narrow { width:min(100% - 28px,1180px); }
    .header-inner { height:68px; }
    .nav-toggle { display:block; }
    .nav-toggle span:not(.sr-only) { display:block; width:24px; height:2px; background:var(--ink); margin:5px; }
    .main-nav { position:absolute; left:14px; right:14px; top:75px; display:none; flex-direction:column; align-items:stretch; gap:0; padding:12px; background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow); }
    .main-nav.open { display:flex; }
    .main-nav a { padding:13px; }
    .hero { padding:55px 0; }
    .hero h1, .page-hero h1, .track-page h1 { font-size:48px; }
    .hero-lead, .page-hero p, .track-page p { font-size:17px; }
    .trust-line { flex-direction:column; gap:8px; }
    .section { padding:65px 0; }
    .section-heading { align-items:start; flex-direction:column; margin-bottom:25px; }
    .category-grid, .article-grid, .form-aside { grid-template-columns:1fr; }
    .category-card { min-height:240px; }
    .article-featured { grid-column:auto; }
    .signal-list > div { flex-direction:column; gap:4px; }
    .signal-list b { text-align:left; }
    .guide-row { grid-template-columns:42px 1fr; }
    .guide-tail { display:none; }
    .form-grid { grid-template-columns:1fr; }
    .request-form { padding:20px; }
    .article-header { padding-top:50px; }
    .article-header h1 { font-size:42px; }
    .article-content h2 { font-size:28px; }
    .article-cta { flex-direction:column; align-items:flex-start; }
    .track-page { padding:55px 0; }
    .track-grid { gap:35px; }
    .admin-page { padding:45px 14px; }
    .login-card { padding:22px; }
    .footer-grid { grid-template-columns:1fr; gap:28px; }
}