:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --surface2: #232d3a;
  --border: #2f3d4d;
  --text: #e8eef4;
  --muted: #9aacbc;
  --accent: #3d9ee5;
  --accent-dim: #2a6fa8;
  --ok: #4ecf8a;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a2a3d 0%, transparent 50%),
    radial-gradient(900px 500px at 100% 0%, #1a2f2a 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}
[v-cloak] {
  display: none !important;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.layout {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem max(1.25rem, env(safe-area-inset-left)) 2.5rem
    max(1.25rem, env(safe-area-inset-right));
}
.site-top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(15 20 25 / 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  margin: -1rem 0 1rem;
  padding: 0.65rem max(1.25rem, env(safe-area-inset-left, 0px)) 0.65rem
    max(1.25rem, env(safe-area-inset-right, 0px));
}
.site-top__inner {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem 1rem;
}
.site-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  line-height: 1.3;
  padding: 0.2rem 0;
  min-width: 0;
}
.site-logo:hover {
  color: var(--accent);
  text-decoration: none;
}
.nav-toggle {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  flex-shrink: 0;
  min-height: 2.5rem;
}
.site-nav {
  grid-column: 1 / -1;
  width: 100%;
  display: none;
  padding: 0.35rem 0 0.25rem;
  border-top: 1px solid var(--border);
  margin-top: 0.35rem;
}
.site-nav.is-open {
  display: block;
}
.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0 0;
}
.site-nav__list > li {
  margin: 0;
  border-bottom: 1px solid var(--border);
}
.site-nav__list > li:last-child {
  border-bottom: none;
}
.site-nav__list > li > a {
  display: block;
  padding: 0.65rem 0.15rem;
  color: var(--text);
  font-size: 0.95rem;
}
.site-nav__list > li > a:hover {
  color: var(--accent);
}
.site-nav__group {
  padding: 0.15rem 0 0.35rem;
  border-bottom: none;
}
.site-nav__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0;
  padding: 0.65rem 0.15rem;
  border: none;
  background: #fff0;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  border-radius: 6px;
}
.site-nav__trigger::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  margin-left: 0.5rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.site-nav__group.is-open .site-nav__trigger::after {
  transform: rotate(-135deg);
  margin-top: 0.15rem;
}
.site-nav__trigger:hover,
.site-nav__trigger:focus-visible {
  color: var(--text);
  outline: none;
}
.site-nav__trigger:focus-visible {
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.site-nav__sub {
  list-style: none;
  margin: 0;
  padding: 0.15rem 0 0.35rem 0.85rem;
  border-left: 2px solid var(--border);
  margin-left: 0.35rem;
}
.site-nav__sub a {
  display: block;
  padding: 0.5rem 0.15rem;
  color: var(--accent);
  font-size: 0.92rem;
}
.site-nav__sub li {
  margin: 0;
}
@media (max-width: 767px) {
  .site-nav__group .site-nav__sub {
    display: block;
  }
  .site-nav__trigger::after {
    display: none;
  }
  .site-nav__trigger {
    pointer-events: none;
    cursor: default;
  }
}
@media (min-width: 768px) {
  .site-top {
    margin: -1rem 0 1.25rem;
    padding: 0.65rem max(1.25rem, env(safe-area-inset-left, 0px)) 0.65rem
      max(1.25rem, env(safe-area-inset-right, 0px));
  }
  .site-top__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.5rem;
  }
  .nav-toggle {
    display: none;
  }
  .site-nav {
    display: block !important;
    grid-column: auto;
    width: auto;
    padding: 0;
    border-top: none;
    margin-top: 0;
  }
  .site-nav__list {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1rem 1.5rem;
    padding: 0;
  }
  .site-nav__list > li {
    border-bottom: none;
    padding: 0;
  }
  .site-nav__list > li > a {
    display: inline-block;
    padding: 0.35rem 0;
    font-size: inherit;
  }
  .site-nav__group {
    position: relative;
    padding: 0;
  }
  .site-nav__trigger {
    display: inline-flex;
    width: auto;
    padding: 0.35rem 1.6rem 0.35rem 0;
    font-size: inherit;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    color: var(--accent);
    pointer-events: auto;
    cursor: pointer;
  }
  .site-nav__trigger::after {
    display: none;
  }
  .site-nav__trigger:hover,
  .site-nav__trigger:focus-visible {
    color: var(--text);
  }
  .site-nav__group.is-open .site-nav__trigger {
    color: var(--text);
  }
  .site-nav__sub {
    position: absolute;
    left: 0;
    top: calc(100% + 0.2rem);
    min-width: 15.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.4rem 0.5rem;
    margin: 0;
    margin-left: 0;
    box-shadow: 0 10px 28px rgb(0 0 0 / 0.4);
    z-index: 60;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition:
      opacity 0.18s ease,
      transform 0.18s ease,
      visibility 0.18s;
  }
  .site-nav__group.is-open .site-nav__sub {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .site-nav__group:last-child .site-nav__sub {
    left: auto;
    right: 0;
  }
  .site-nav__sub a {
    padding: 0.45rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
  }
  .site-nav__sub a:hover {
    background: var(--surface2);
    text-decoration: none;
  }
}
.site-header {
  margin-bottom: 1.5rem;
}
.brand h1 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  margin-top: 1.25rem;
}
.tabs button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  transition:
    background 0.15s,
    border-color 0.15s,
    color 0.15s;
}
.tabs button:hover {
  background: var(--surface2);
  border-color: var(--accent-dim);
}
.tabs button[aria-selected="true"],
.tabs button.active {
  background: linear-gradient(160deg, var(--accent-dim), var(--accent));
  border-color: #fff0;
  color: #fff;
}
.main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem 1.5rem;
  box-shadow: 0 12px 40px rgb(0 0 0 / 0.25);
}
.panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 650;
}
.lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.field.span-2 {
  grid-column: 1 / -1;
}
.field span:first-child {
  font-size: 0.85rem;
  color: var(--muted);
}
.hint {
  font-size: 0.8rem;
  color: var(--muted);
}
.field input[type="number"],
.field input[type="text"],
.field select,
select.field-select {
  font: inherit;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.field input:focus,
.field select:focus,
select.field-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.field select,
select.field-select {
  cursor: pointer;
}
fieldset.field {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 0;
}
fieldset.field legend {
  padding: 0 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}
label.inline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.35rem 0.75rem 0.35rem 0;
  font-size: 0.9rem;
  cursor: pointer;
}
label.checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.6rem;
}
label.checkbox input {
  margin-top: 0.2rem;
}
.result {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.result h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}
.kv {
  list-style: none;
  margin: 0;
  padding: 0;
}
.kv li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.kv li span {
  color: var(--muted);
}
.kv li strong {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.kv li.total {
  margin-top: 0.35rem;
  padding-top: 0.65rem;
  border-bottom: none;
  font-size: 1.05rem;
}
.kv li.total span {
  color: var(--text);
}
.kv li.total strong {
  color: var(--ok);
  font-size: 1.1rem;
}
.note {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}
.step-block {
  margin-top: 1rem;
  padding: 1rem 1rem 1.1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.step-block h4 {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}
.step-list {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.55;
}
.step-list li {
  margin-bottom: 0.45rem;
}
.cta-strip {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: var(--surface2);
}
.cta-strip p {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}
.cta-links a {
  font-size: 0.88rem;
  font-weight: 500;
}
.article-clt {
  margin-top: 2rem;
  padding: 1.25rem 1rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgb(0 0 0 / 0.2);
}
.article-clt h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 650;
}
.article-clt h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
}
.article-clt p {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
}
.article-clt ul {
  margin: 0 0 0.75rem;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.article-clt li {
  margin-bottom: 0.35rem;
}
.article-clt ol {
  margin: 0 0 0.75rem;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.dsr-formula-list {
  margin-bottom: 0.75rem;
}
.dsr-formula-block {
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
  background: var(--surface2);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  font-size: 0.9rem;
  color: var(--text);
}
.dsr-op {
  color: var(--accent);
  font-weight: 600;
}
.dsr-examples {
  display: grid;
  gap: 1rem;
  margin: 0 0 0.75rem;
}
@media (min-width: 640px) {
  .dsr-examples {
    grid-template-columns: 1fr 1fr;
  }
}
.dsr-example {
  padding: 0.85rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.dsr-example h4 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.dsr-example p {
  margin: 0 0 0.5rem;
}
.dsr-example ul {
  margin: 0;
  padding-left: 1.1rem;
}
.article-dsr__note {
  margin-bottom: 0 !important;
  font-size: 0.88rem;
}
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1.25rem 0;
}
.faq-details {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.faq-summary {
  cursor: pointer;
  list-style: none;
  padding: 0.9rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.4;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}
.faq-details[open] .faq-summary::after {
  content: "−";
}
.faq-answer {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border);
}
.faq-answer p {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
}
.faq-footer-note {
  margin-top: 1.5rem;
}
.article-clt strong,
.page-article strong {
  color: var(--text);
  font-weight: 600;
}
.page-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}
.page-article .note {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0.75rem 0;
}
.page-article h1 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.page-article .lead {
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
}
.page-article h2 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.12rem;
}
.page-article p,
.page-article li {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
}
.page-article code {
  font-size: 0.88em;
  padding: 0.12rem 0.35rem;
  background: var(--surface2);
  border-radius: 4px;
  border: 1px solid var(--border);
}
.page-article ul,
.page-article ol {
  padding-left: 1.25rem;
}
.breadcrumb {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.breadcrumb a {
  color: var(--accent);
}
.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
  margin: 1rem 0;
}
body.has-cookie-banner {
  padding-bottom: 6rem;
}
@media (min-width: 480px) {
  body.has-cookie-banner {
    padding-bottom: 5rem;
  }
}
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgb(26 34 44 / 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 0.85rem max(1.25rem, env(safe-area-inset-left))
    calc(0.85rem + env(safe-area-inset-bottom, 0px))
    max(1.25rem, env(safe-area-inset-right, 0px));
  box-shadow: 0 -10px 40px rgb(0 0 0 / 0.35);
}
.cookie-banner__inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cookie-banner__text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1 1 16rem;
}
.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  flex-shrink: 0;
}
.cookie-banner__btn {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1.15rem;
  font-weight: 600;
  font-size: 0.9rem;
  background: linear-gradient(160deg, var(--accent-dim), var(--accent));
  color: #fff;
}
.cookie-banner__btn:hover {
  filter: brightness(1.06);
}
.cookie-banner__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.cookie-banner__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
}
.site-footer {
  box-sizing: border-box;
  max-width: 920px;
  margin: 2rem auto 0;
  padding: 0 1rem 2rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
  text-align: center;
}
.site-footer p {
  margin: 0 auto;
  max-width: 42rem;
}
.site-footer__links {
  margin-top: 0.5rem;
}
.site-footer__links a {
  white-space: nowrap;
}
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.25rem;
  -webkit-overflow-scrolling: touch;
}
.table-legal {
  width: 100%;
  min-width: 280px;
  border-collapse: collapse;
  font-size: 0.86rem;
  color: var(--text);
}
.table-legal caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  padding: 0 0 0.5rem;
}
.table-legal th,
.table-legal td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.55rem;
  text-align: left;
  vertical-align: top;
}
.table-legal thead th {
  background: var(--surface2);
  color: var(--muted);
  font-weight: 600;
}
.table-legal--compare .table-legal__group {
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.table-legal--compare .table-legal__base {
  vertical-align: middle;
  min-width: 10.5rem;
}
.table-legal--compare tbody td {
  vertical-align: top;
}
.table-legal tbody tr:nth-child(even) {
  background: rgb(0 0 0 / 0.12);
}
.note a,
.page-article .table-legal a,
.article-clt a {
  color: var(--accent);
}
@media (min-width: 640px) {
  .layout {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .main {
    padding: 1.5rem 1.5rem 1.65rem;
  }
  .article-clt {
    padding: 1.5rem 1.35rem 1.65rem;
  }
}