:root { --bg:#f7f8fc; --panel:#fff; --ink:#141824; --muted:#5b6478; --line:#e3e6ef; --accent:#4f46e5; --accent-2:#a855f7; --accent-ink:#fff; --r:14px; --sh:0 1px 2px rgba(16,24,40,.06), 0 12px 32px -18px rgba(16,24,40,.25);
  --word:#2563eb; --excel:#16a34a; --pdf:#e11d48; --convert:#9333ea; --cloud:#0891b2; --live:#d97706; }
@media (prefers-color-scheme: dark) { :root { --bg:#0e1016; --panel:#161922; --ink:#e8eaf1; --muted:#9aa3b6; --line:#272c39; --accent:#8b86ff; --accent-ink:#0e1016; --sh:0 1px 2px rgba(0,0,0,.4), 0 12px 32px -18px rgba(0,0,0,.7); --word:#60a5fa; --excel:#4ade80; --pdf:#fb7185; --convert:#c084fc; --cloud:#22d3ee; --live:#fbbf24; } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.section, .hero { scroll-margin-top: 72px; }
body { margin:0; background: radial-gradient(1100px 480px at 50% -160px, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%), var(--bg); color:var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }
.muted { color: var(--muted); }
.fine { color: var(--muted); font-size: 13.5px; margin: 10px 0 0; }
code { background: color-mix(in srgb, var(--ink) 8%, transparent); padding: 1px 6px; border-radius: 6px; font-size: .92em; }

.notice { background: color-mix(in srgb, var(--live) 18%, var(--panel)); border-bottom: 1px solid color-mix(in srgb, var(--live) 40%, var(--line)); text-align: center; padding: 9px 16px; font-size: 14.5px; }

.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 650; font-size: 18px; letter-spacing: -.01em; text-decoration: none; }
.brand.small { font-size: 15px; }
.nav nav { display: flex; gap: 22px; flex: 1; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 15px; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.nav-cta { display: flex; gap: 10px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 9px 20px; font: inherit; font-weight: 550; font-size: 15px; text-decoration: none; cursor: pointer; transition: transform .08s, box-shadow .15s, border-color .15s, background .15s; }
.btn:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); box-shadow: 0 4px 14px -6px rgba(16,24,40,.25); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, var(--accent-2))); color: var(--accent-ink); border-color: transparent; box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn.primary:hover { box-shadow: 0 10px 24px -8px color-mix(in srgb, var(--accent) 75%, transparent); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--ink); box-shadow: none; }
.btn.big { padding: 13px 26px; font-size: 16.5px; }
.btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }

.hero { padding: 72px 0 56px; }
.hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(38px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -.035em; margin: 0 0 18px; }
h2 { font-size: clamp(27px, 3.4vw, 38px); letter-spacing: -.025em; line-height: 1.12; margin: 0 0 10px; }
h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -.01em; }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-art { position: relative; height: 380px; }
.win { position: absolute; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--sh); padding: 18px; }
.win b, .win u, .win i { display: block; height: 8px; border-radius: 4px; background: color-mix(in srgb, var(--ink) 11%, transparent); margin: 10px 0; text-decoration: none; }
.win b.s { width: 62%; }
.win-word { left: 0; top: 10px; width: 62%; height: 300px; transform: rotate(-3deg); border-top: 5px solid var(--word); }
.win-word i { width: 55%; height: 14px; background: color-mix(in srgb, var(--word) 55%, transparent); margin: 6px 0 20px; }
.win-word u { width: 40%; height: 60px; background: color-mix(in srgb, var(--word) 14%, transparent); margin-top: 18px; }
.win-sheet { right: 0; top: 70px; width: 56%; height: 220px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; padding: 14px; transform: rotate(2.5deg); border-top: 5px solid var(--excel); align-content: start; z-index: 2; }
.win-sheet span { height: 22px; border-radius: 4px; background: color-mix(in srgb, var(--ink) 8%, transparent); }
.win-sheet span.h { background: color-mix(in srgb, var(--excel) 35%, transparent); }
.win-sheet span.g { background: color-mix(in srgb, var(--excel) 18%, transparent); }
.win-pdf { left: 22%; bottom: 0; width: 40%; height: 170px; border-top: 5px solid var(--pdf); transform: rotate(-1deg); z-index: 3; }
.win-pdf em { font-style: normal; font-weight: 700; font-size: 13px; color: var(--pdf); letter-spacing: .08em; }

.section { padding: 72px 0; }
.section.alt { background: color-mix(in srgb, var(--ink) 3.5%, var(--bg)); border-block: 1px solid var(--line); }
.sub { color: var(--muted); font-size: 18px; margin: 0 0 34px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 24px 24px 22px; box-shadow: var(--sh); transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-3px); }
.card p { margin: 0; color: var(--muted); }
.card .dot { position: absolute; top: 0; left: 24px; width: 44px; height: 4px; border-radius: 0 0 4px 4px; background: var(--c); }
.c-word { --c: var(--word); } .c-excel { --c: var(--excel); } .c-pdf { --c: var(--pdf); } .c-convert { --c: var(--convert); } .c-cloud { --c: var(--cloud); } .c-live { --c: var(--live); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.way { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--sh); }
.way p { color: var(--muted); margin: 0 0 18px; }
.dl { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.dl .meta { flex: 1; min-width: 200px; }
.dl .meta strong { display: block; }
.dl .meta small { color: var(--muted); display: block; word-break: break-all; font-size: 12.5px; }
.mini { margin: 6px 0 14px; color: var(--muted); font-size: 14.5px; }
.mini summary { cursor: pointer; color: var(--ink); font-weight: 550; }
.mini ol { padding-left: 20px; margin: 10px 0 0; }
.mini li { margin: 6px 0; }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.plan { background: var(--panel); border: 1px solid var(--line); border-top: 4px solid var(--tier, var(--line)); border-radius: var(--r); padding: 22px; box-shadow: var(--sh); }
.plan h3 { margin: 0; }
.plan .price { font-size: 28px; font-weight: 700; letter-spacing: -.02em; margin: 6px 0 12px; }
.plan .btn { margin-top: 16px; width: 100%; }
.plan ul { list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: 14.5px; }
.plan li { padding: 5px 0; border-top: 1px solid var(--line); }
.plan li:first-child { border-top: 0; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 550; font-size: 14.5px; }
.form small { font-weight: 400; color: var(--muted); }
.form input, .form textarea { font: inherit; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); width: 100%; }
.form .btn { justify-self: start; }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details > summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details > p { color: var(--muted); margin: 10px 0 0; }

.foot { border-top: 1px solid var(--line); padding: 28px 0; }
.foot-in { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.foot-in .muted { flex: 1; }

@media (max-width: 860px) {
  .hero-in, .two { grid-template-columns: 1fr; }
  .hero-art { height: 300px; }
  .nav nav { display: none; }
  .nav-in { gap: 12px; } .brand { flex: 1; }
  .nav-cta .ghost { display: none; }
}
@media (max-width: 520px) { .wrap { padding: 0 18px; } .hero { padding-top: 40px; } .btn.big { width: 100%; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

.plan { position: relative; }
.plan.recommended { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan .badge { position: absolute; top: -11px; right: 16px; background: var(--accent); color: var(--accent-ink, #fff); font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px; }
.plan .tagline { margin: 6px 0 4px; }
.news { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; display: grid; gap: 6px; align-content: start; }
.news h3 { margin: 0; font-size: 17px; } .news p { margin: 0; }
.news.promotion { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }