:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #eef2f8;
  --ink: #172033;
  --muted: #667085;
  --line: #dde3ec;
  --primary: #1769e0;
  --primary-dark: #0e4fae;
  --success: #16794d;
  --danger: #bb2d3b;
  --warning: #a56100;
  --shadow: 0 18px 50px rgba(23, 32, 51, 0.09);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface-alt);
  word-break: break-all;
}
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.container.narrow { max-width: 760px; }
.container.wide { max-width: 1280px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(221, 227, 236, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 750; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, #1769e0, #44a2ff);
}
.nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.nav a, .link-button { color: var(--muted); }
.nav a:hover, .link-button:hover { color: var(--ink); }
.nav-cta {
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--primary) !important;
  background: #eaf2ff;
}
.inline-form { display: inline; }
.link-button { border: 0; background: transparent; padding: 0; }
.hero {
  padding: 96px 0 82px;
  background:
    radial-gradient(circle at 78% 18%, rgba(68, 162, 255, 0.18), transparent 28%),
    radial-gradient(circle at 20% 8%, rgba(23, 105, 224, 0.1), transparent 26%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: clamp(36px, 5vw, 62px); line-height: 1.08; letter-spacing: -0.04em; }
h2 { margin-bottom: 14px; font-size: clamp(26px, 3vw, 38px); line-height: 1.16; letter-spacing: -0.03em; }
h3 { margin-bottom: 8px; font-size: 20px; }
.hero-copy { max-width: 680px; margin-bottom: 28px; color: var(--muted); font-size: 18px; }
.hero-actions, .payment-actions, .order-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-weight: 700;
  transition: 0.18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--primary); }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { color: var(--ink); border-color: var(--line); background: var(--surface); }
.button-danger { color: #fff; background: var(--danger); }
.button-small { min-height: 34px; padding: 6px 10px; font-size: 13px; }
.button-wide { width: 100%; }
.status-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}
.status-card p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.status-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: #23a26d;
  box-shadow: 0 0 0 6px rgba(35, 162, 109, 0.13);
}
.section { padding: 74px 0; }
.section-alt { background: var(--surface-alt); }
.section-heading, .page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}
.section-heading > p { max-width: 420px; margin-bottom: 6px; color: var(--muted); }
.page-heading { align-items: center; }
.page-heading h1 { margin-bottom: 0; font-size: clamp(32px, 4vw, 48px); }
.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}
.plan-card, .panel, .detail-card, .payment-card, .order-card, .auth-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 26px rgba(23, 32, 51, 0.04);
}
.plan-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border-radius: 17px;
}
.plan-card.featured { border-color: #8cb9ff; box-shadow: 0 14px 36px rgba(23, 105, 224, 0.11); }
.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 4px 9px;
  border-radius: 99px;
  color: var(--primary-dark);
  background: #e7f0ff;
  font-size: 12px;
  font-weight: 750;
}
.plan-card-heading { padding-right: 48px; }
.plan-kicker {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
}
.plan-card-heading h3 { margin: 5px 0 5px; font-size: 22px; }
.plan-description { min-height: 43px; margin-bottom: 0; color: var(--muted); font-size: 13px; }
.price { display: flex; align-items: baseline; margin: 17px 0 13px; }
.currency { font-size: 22px; font-weight: 700; }
.amount { font-size: 43px; font-weight: 800; letter-spacing: -0.05em; }
.period { margin-left: 6px; color: var(--muted); }
.plan-separator {
  height: 1px;
  margin-bottom: 14px;
  background: var(--line);
}
.plan-benefit-list, .plan-restriction-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.plan-benefit-list li, .plan-restriction-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 5px 0;
  font-size: 13.5px;
  line-height: 1.45;
}
.plan-benefit-list li { color: #475467; }
.plan-restriction-list { margin-top: 7px; }
.plan-restriction-list li { color: #8a909b; }
.plan-ok, .plan-no { font-size: 18px; font-weight: 800; line-height: 1.15; }
.plan-ok { color: #20b486; }
.plan-no { color: #ef6a6a; }
.plan-monthly-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 15px 0 17px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: #356df0;
  font-size: 13px;
  line-height: 1.45;
}
.plan-monthly-note strong { font-weight: 750; }
.plan-info {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: grid;
  place-items: center;
  border: 2px solid #356df0;
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 12px;
  font-weight: 800;
}
.payment-actions { margin-top: auto; }
.payment-actions form { flex: 1; }
.payment-actions .button { width: 100%; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.feature-grid article { padding: 26px; border-radius: var(--radius); background: var(--surface); }
.feature-grid p { margin-bottom: 0; color: var(--muted); }
.feature-number { color: var(--primary); font-size: 13px; font-weight: 800; }
.flash-stack { position: relative; z-index: 30; padding-top: 20px; }
.flash { max-width: 760px; margin: 0 auto 10px; padding: 12px 16px; border-radius: 10px; }
.flash-error { color: #7f1420; background: #ffe8eb; }
.flash-success { color: #0c5d3b; background: #def7ea; }
.auth-section { min-height: calc(100vh - 180px); display: grid; place-items: center; padding: 70px 20px; }
.auth-card { width: min(440px, 100%); }
.auth-card h1 { font-size: 38px; }
.auth-switch { margin: 20px 0 0; color: var(--muted); text-align: center; }
.form-stack { display: grid; gap: 16px; }
.form-stack.compact { max-width: 520px; margin: 26px auto 0; }
label { display: grid; gap: 7px; color: #344054; font-size: 14px; font-weight: 650; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="file"] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #cfd6e2;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
}
input:focus { outline: 3px solid rgba(23, 105, 224, 0.14); border-color: var(--primary); }
.verification-code-input {
  font-size: 25px !important;
  font-weight: 750;
  letter-spacing: 0.35em;
  text-align: center;
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.checkbox-row { display: flex; align-items: center; gap: 9px; }
.checkbox-row input { width: auto; }
.muted { color: var(--muted); }
.empty-state {
  padding: 56px 28px;
  border: 1px dashed #c9d2df;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.64);
  text-align: center;
}
.empty-state p { color: var(--muted); }
.order-stack { display: grid; gap: 18px; }
.order-main { display: flex; align-items: start; justify-content: space-between; gap: 24px; }
.order-main h2 { margin: 12px 0 4px; font-size: 24px; }
.order-main p { margin-bottom: 0; }
.order-amount { font-size: 26px; font-weight: 800; }
.order-metrics { display: flex; gap: 8px; margin: 22px 0; }
.order-metrics span { padding: 6px 10px; border-radius: 99px; background: var(--surface-alt); font-size: 13px; }
.status {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 750;
}
.status-pending_payment { color: var(--warning); background: #fff2d8; }
.status-submitted { color: var(--primary-dark); background: #e5efff; }
.status-active { color: var(--success); background: #dff6e9; }
.status-rejected { color: var(--danger); background: #ffe7ea; }
.subscription-box { display: grid; gap: 12px; margin: 22px 0; padding: 20px; border-radius: 14px; background: #f7f9fd; }
.subscription-center {
  margin: 22px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.subscription-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 24px 18px;
}
.subscription-heading h2 { margin: 0; font-size: 25px; }
.subscription-heading .muted { margin: 0; font-size: 13px; }
.device-tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
}
.device-tab {
  padding: 13px 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  background: transparent;
  font-weight: 700;
}
.device-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.device-panel { display: none; padding: 6px 24px; }
.device-panel.active { display: block; }
.client-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 10px;
  border-bottom: 1px solid var(--surface-alt);
}
.client-row:last-child { border-bottom: 0; }
.client-main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.client-main p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.client-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: -0.04em;
}
.client-icon-1 { background: linear-gradient(135deg, #1674ef, #1d4dab); }
.client-icon-2 { background: linear-gradient(135deg, #109e88, #087261); }
.client-icon-3 { background: linear-gradient(135deg, #f48525, #d55414); }
.client-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.subscription-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 34px;
  border-top: 1px solid var(--line);
  background: #fbfcff;
}
.text-danger-action {
  padding: 8px 0;
  border: 0;
  color: var(--danger);
  background: transparent;
  font-weight: 650;
}
.subscription-warning {
  margin: 0;
  padding: 13px 34px 18px;
  color: var(--muted);
  background: #fbfcff;
  font-size: 12px;
}
.usage-label { display: flex; justify-content: space-between; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.progress { height: 8px; overflow: hidden; border-radius: 99px; background: #dfe5ef; }
.progress span { display: block; height: 100%; border-radius: inherit; background: var(--primary); }
.detail-list { display: grid; gap: 0; margin: 0; }
.detail-list > div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--surface-alt); }
.detail-list dt { color: var(--muted); }
.detail-list dd { margin: 0; text-align: right; }
.detail-list .emphasis { color: var(--primary); font-size: 22px; font-weight: 800; }
.payment-card { margin-top: 18px; text-align: center; }
.payment-qr { width: min(280px, 86%); display: block; margin: 22px auto; border-radius: 12px; }
.empty-inline, .qr-placeholder { padding: 28px; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); background: #fafbfd; }
.wallet { margin-top: 18px; }
.notice { margin: 18px 0; padding: 24px; border-radius: var(--radius); }
.notice-info { background: #eaf2ff; }
.notice-success { color: #0d5f3d; background: #e0f7eb; }
.notice-error { color: #7f1420; background: #ffe8eb; }
.back-link { display: inline-block; margin-top: 24px; }
.admin-nav { display: flex; gap: 8px; }
.admin-nav a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filter { padding: 7px 12px; border-radius: 9px; color: var(--muted); background: var(--surface); }
.filter.active { color: #fff; background: var(--primary); }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); background: #f8fafc; font-size: 12px; text-transform: uppercase; }
td small { display: block; margin-top: 4px; color: var(--muted); }
.transaction { max-width: 180px; word-break: break-all; }
.table-actions { min-width: 200px; }
.table-actions form { display: inline-block; margin: 4px 4px 0 0; }
.small-link { display: inline-block; margin-top: 7px; }
.split-layout { display: grid; grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr); gap: 22px; }
.compact-list { display: grid; gap: 0; }
.compact-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--surface-alt); }
.compact-row p { margin: 2px 0 0; color: var(--muted); }
.settings-form { display: grid; gap: 18px; }
.payment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.payment-setting { padding: 16px; border: 1px solid var(--line); border-radius: 14px; }
.settings-qr { width: 100%; max-height: 220px; object-fit: contain; margin: 12px 0; background: #fff; }
.fund-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.compact-summary { margin-bottom: 22px; }
.fund-summary {
  display: grid;
  gap: 3px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
}
.fund-summary span, .fund-summary small { color: var(--muted); font-size: 13px; }
.fund-summary strong { color: var(--ink); font-size: 25px; letter-spacing: -0.03em; }
.fund-summary-link:hover { border-color: #8cb9ff; }
.notice-warning { color: #6f4300; background: #fff3d8; }
.panel-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.panel-heading h2 { margin-bottom: 0; font-size: 26px; }
.referral-grid { align-items: start; }
.inline-action { margin: 18px 0; }
.inline-note {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 11px;
  color: #31527a;
  background: #eaf2ff;
}
.code-list { display: grid; gap: 10px; }
.code-row {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.code-row.disabled { opacity: 0.58; }
.code-row small { display: block; color: var(--muted); }
.code-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; align-items: center; }
.code-actions form { margin: 0; }
.pending-hold {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid #efc66b;
  border-radius: 12px;
  background: #fff9e8;
}
.pending-hold p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.fund-operation { padding: 22px 0; border-top: 1px solid var(--line); }
.compact-inline { max-width: 430px; }
.danger-copy { margin: 12px 0 0; color: var(--danger); font-size: 13px; font-weight: 650; }
.confirmation-check { padding: 14px; border: 1px solid #f0b7be; border-radius: 11px; background: #fff5f6; }
.form-cancel { margin-top: 16px; }
.table-panel { margin-top: 22px; }
.amount-positive { color: var(--success); font-weight: 750; }
.amount-negative { color: var(--danger); font-weight: 750; }
.referral-bind-card { margin-top: 18px; }
.admin-withdrawal-actions { min-width: 290px; }
.admin-withdrawal-actions form { margin: 0 0 8px; }
.stacked-form { display: grid; gap: 7px; }
.docs-hero {
  padding: 82px 0 58px;
  background:
    radial-gradient(circle at 82% 22%, rgba(68, 162, 255, 0.2), transparent 28%),
    linear-gradient(180deg, #f8fbff, var(--bg));
}
.docs-hero h1 { max-width: 760px; }
.docs-hero > .container > p {
  max-width: 760px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 18px;
}
.docs-hero-links { display: flex; flex-wrap: wrap; gap: 10px; }
.docs-section { padding-top: 44px; }
.docs-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}
.docs-sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}
.docs-sidebar strong { margin-bottom: 8px; }
.docs-sidebar a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}
.docs-sidebar a:hover { color: var(--primary-dark); background: #edf4ff; }
.docs-content { min-width: 0; }
.docs-library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.docs-library a {
  display: grid;
  gap: 2px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  transition: 0.18s ease;
}
.docs-library a:hover {
  border-color: #8cb9ff;
  box-shadow: 0 9px 24px rgba(23, 105, 224, 0.08);
  transform: translateY(-1px);
}
.docs-library span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.docs-library strong { font-size: 17px; }
.docs-library small { color: var(--muted); font-size: 13px; }
.docs-block {
  scroll-margin-top: 96px;
  margin-bottom: 28px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.docs-block h2 { font-size: clamp(25px, 3vw, 34px); }
.docs-block h3 { margin-top: 20px; }
.doc-steps { display: grid; gap: 12px; margin-top: 24px; }
.doc-steps article { display: flex; gap: 15px; padding: 16px; border-radius: 13px; background: #f8faff; }
.doc-steps article > span {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: var(--primary);
  font-weight: 800;
}
.doc-steps h3 { margin: 0 0 3px; font-size: 17px; }
.doc-steps p { margin: 0; color: var(--muted); }
.doc-note, .doc-warning {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 12px;
}
.doc-note { color: #24527c; background: #eaf4ff; }
.doc-warning { color: #704200; background: #fff3d8; }
.doc-note p { margin: 4px 0 0; }
.format-grid, .rules-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.format-grid article, .rules-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.format-grid p, .rules-grid p { margin-bottom: 0; color: var(--muted); }
.format-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 99px;
  color: var(--primary-dark);
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 750;
}
.doc-accordion {
  margin: 12px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
}
.doc-accordion summary {
  padding: 16px 18px;
  cursor: pointer;
  background: #f8fafc;
  font-weight: 750;
}
.doc-accordion[open] summary { border-bottom: 1px solid var(--line); }
.doc-accordion-body { padding: 10px 20px 20px; }
.doc-accordion-body :last-child { margin-bottom: 0; }
.doc-accordion-body ol, .doc-accordion-body ul { padding-left: 22px; }
.doc-accordion-body li { margin: 7px 0; }
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 20px;
}
.download-grid a {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-weight: 650;
}
.download-grid a:hover { border-color: #8cb9ff; background: #f5f9ff; }
.small-print { margin: 12px 0 0; font-size: 13px; }
.doc-list { padding-left: 22px; }
.doc-list li { margin: 8px 0; }
.doc-list.numbered { padding-left: 24px; }
.check-list { list-style: none; padding-left: 0; }
.check-list li::before { content: "✓"; margin-right: 9px; color: var(--success); font-weight: 800; }
.doc-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.doc-contact span { opacity: 0.84; font-size: 14px; }
.error-code { display: block; color: var(--primary); font-size: 72px; font-weight: 900; line-height: 1; }
.site-footer { padding: 38px 0; border-top: 1px solid var(--line); color: var(--muted); background: #fff; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; }
.site-footer p { margin: 4px 0 0; font-size: 13px; }
.footer-meta { display: grid; gap: 4px; text-align: right; font-size: 13px; }

@media (max-width: 1100px) {
  .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero-grid, .feature-grid, .split-layout, .payment-grid,
  .fund-summary-grid, .docs-layout, .format-grid, .rules-grid { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; }
  .plan-description { min-height: 0; }
  .section-heading, .page-heading { align-items: start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 24px, 1120px); }
  .header-inner { min-height: 64px; }
  .nav { gap: 12px; }
  .nav a:not(.nav-cta) { display: none; }
  .hero { padding: 64px 0; }
  .section { padding: 52px 0; }
  .plan-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .code-actions { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .docs-block { padding: 21px; }
  .docs-library { grid-template-columns: 1fr; }
  .doc-contact { align-items: start; flex-direction: column; }
  .order-main { flex-direction: column; }
  .subscription-heading, .subscription-footer { align-items: stretch; flex-direction: column; }
  .client-row { align-items: stretch; flex-direction: column; }
  .client-actions { justify-content: stretch; }
  .client-actions .button { flex: 1; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}