:root {
  --ink: #1d2433; --soft: #566074; --line: #dfe3ea; --paper: #ffffff; --tint: #f4f6fa;
  --accent: #0b6b5d; --accent-ink: #ffffff; --accent-soft: #e4f2ef; --warn: #8a4b00; --warn-bg: #fff4e2; --err: #a32020;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); }
.top { border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 20px; }
.logo { width: 24px; height: 24px; border-radius: 6px; background: var(--accent); box-shadow: inset 0 0 0 5px var(--accent), inset 0 0 0 7px #fff; }
.links { display: flex; align-items: center; gap: 16px; font-size: 16px; flex-wrap: wrap; }
.lang { background: none; border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; font: inherit; color: var(--ink); cursor: pointer; }
.hero { text-align: center; padding-top: 44px; padding-bottom: 30px; }
h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.12; margin: 0 0 14px; letter-spacing: -0.02em; }
.lead { font-size: clamp(18px, 2.6vw, 21px); color: var(--soft); max-width: 680px; margin: 0 auto 26px; }
.drop { display: flex; flex-direction: column; gap: 4px; align-items: center; justify-content: center; max-width: 640px; min-height: 180px; margin: 0 auto; padding: 24px; border: 2px dashed #9fb6b1; border-radius: 16px; background: var(--accent-soft); cursor: pointer; transition: background .15s, border-color .15s; }
.drop:hover, .drop.over, .drop:focus-visible { background: #d3ebe6; border-color: var(--accent); outline: none; }
.drop-title { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 12px 26px; border-radius: 10px; font-weight: 650; font-size: 20px; }
.drop-sub { color: var(--soft); font-size: 16px; margin-top: 6px; }
.trust { list-style: none; display: flex; gap: 8px 22px; justify-content: center; flex-wrap: wrap; padding: 0; margin: 18px 0 6px; font-size: 16px; color: var(--soft); }
.trust li::before { content: "\2713"; color: var(--accent); font-weight: 700; margin-right: 6px; }
.sample { margin: 6px 0 0; font-size: 16px; }
.linklike { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; }
.status { min-height: 1.4em; margin: 12px 0 0; color: var(--soft); font-size: 16px; }
.status.error { color: var(--err); font-weight: 600; }
.info { padding-top: 26px; padding-bottom: 36px; border-top: 1px solid var(--line); }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cols h2 { font-size: 19px; margin: 0 0 6px; }
.cols p { margin: 0; font-size: 16px; color: var(--soft); }
.fine { font-size: 15px; color: var(--soft); margin-top: 22px; }
.guide { padding-bottom: 36px; max-width: 760px; }
.guide h2 { font-size: 26px; margin: 8px 0 4px; }
.guide h3 { font-size: 19px; margin: 22px 0 4px; }
.guide p { margin: 0; color: var(--soft); font-size: 17px; }
.viewer { background: var(--tint); border-top: 1px solid var(--line); padding-bottom: 30px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; position: sticky; top: 0; background: var(--tint); z-index: 2; }
.bar-name { min-width: 0; overflow-wrap: anywhere; }
.bar-name span { color: var(--soft); font-size: 15px; margin-left: 8px; }
.bar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
button, .button { font: inherit; font-size: 16px; padding: 9px 16px; border: 1px solid #c4cbd6; border-radius: 9px; background: #fff; color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 650; }
button:disabled { opacity: .5; cursor: default; }
.warn { background: var(--warn-bg); color: var(--warn); border-radius: 10px; padding: 10px 14px; font-size: 15px; }
.pages { display: flex; flex-direction: column; align-items: center; gap: 22px; padding: 8px 12px; }
.page { max-width: 100%; box-shadow: 0 1px 4px rgba(20, 30, 50, .25); background: #fff; line-height: 0; }
.page svg { max-width: 100%; height: auto; }
.upsell { margin-top: 26px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; max-width: 760px; }
.upsell h2 { margin: 0 0 6px; font-size: 22px; }
.upsell p { margin: 0 0 12px; color: var(--soft); font-size: 17px; }
.upsell-cta { margin-bottom: 0; }
.pro { padding-top: 26px; padding-bottom: 26px; border-top: 1px solid var(--line); }
.pro-pick, .pro-opts { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.foot { border-top: 1px solid var(--line); padding: 18px 0 26px; font-size: 14px; color: var(--soft); }
.foot p { margin: 4px 0; }
.article { max-width: 760px; padding-top: 34px; padding-bottom: 40px; }
.article h1 { font-size: clamp(28px, 5vw, 40px); }
.article h2 { font-size: 23px; margin-top: 30px; }
.article .cta { margin: 22px 0; }
.article table { border-collapse: collapse; width: 100%; font-size: 16px; }
.article th, .article td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
@media (max-width: 760px) { body { font-size: 17px; } .cols { grid-template-columns: 1fr; gap: 18px; } .bar { position: static; } }
@media print {
  body { background: #fff; }
  .top, .hero, .info, .foot, .bar, .warn, .upsell, .pro { display: none !important; }
  .viewer { background: #fff; border: 0; padding: 0; }
  .pages { display: block; padding: 0; }
  .page { box-shadow: none; break-after: page; page-break-after: always; max-width: none; }
  .page:last-child { break-after: auto; page-break-after: auto; }
  .page svg { max-width: none; width: 100%; height: auto; }
}