:root {
  --bg: #f5f7fb;
  --bg-deep: #eef3f8;
  --card: #ffffff;
  --card-soft: #f8fbff;
  --line: #e5ebf3;
  --line-strong: #d7e1ee;
  --text: #24364d;
  --text-strong: #132238;
  --text-soft: #6e8098;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --primary-soft: #edf4ff;
  --success: #0f9d68;
  --success-soft: #eefaf5;
  --warning: #d97706;
  --warning-soft: #fff7ed;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 24px rgba(15, 23, 42, 0.05);
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font: 15px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fc 0%, #f4f7fb 100%);
}

body.modal-open {
  overflow: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
}

.site-bg,
.site-grid {
  display: none;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 16px 40px;
}

.page-shell {
  display: grid;
  gap: 24px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-strong);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand-copy em {
  font-style: normal;
  font-size: 13px;
  color: var(--text-soft);
}

.site-header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: #40556f;
  font-size: 14px;
  font-weight: 600;
}

.header-link:hover,
.header-link.active {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.site-header-actions {
  margin-left: auto;
}

.site-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--primary-strong);
  color: #fff;
  font-weight: 700;
}

.site-footer {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding: 22px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.footer-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.footer-head strong {
  color: var(--text-strong);
}

.footer-head span,
.site-footer .muted {
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #45607f;
}

.card,
.hero,
.query-hero,
.doc-hero,
.payment-top-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.card,
.query-hero,
.doc-hero,
.payment-top-card {
  padding: 24px;
}

.hero {
  padding: 28px;
}

.stack {
  display: grid;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.merchant-admin-grid {
  display: grid;
  grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.merchant-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.merchant-panel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.merchant-switcher {
  display: grid;
  gap: 14px;
}

.merchant-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mini-stat {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--card-soft);
  border: 1px solid var(--line);
  display: grid;
  gap: 4px;
}

.mini-stat span {
  font-size: 12px;
  color: var(--text-soft);
}

.mini-stat strong {
  color: var(--text-strong);
  font-size: 22px;
}

.merchant-record-list {
  display: grid;
  gap: 10px;
  max-height: 560px;
  overflow: auto;
  padding-right: 2px;
}

.merchant-record {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card-soft);
  color: var(--text);
}

.merchant-record-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.merchant-record strong {
  font-size: 14px;
  color: var(--text-strong);
}

.merchant-record-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: var(--text-soft);
}

.merchant-record-meta {
  font-size: 12px;
  color: #51657f;
  overflow-wrap: anywhere;
}

.merchant-state {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.merchant-state.is-on {
  background: #eefaf5;
  color: #0f9d68;
}

.merchant-state.is-off {
  background: #f8fafc;
  color: #64748b;
}

.merchant-record.active,
.merchant-record:hover {
  border-color: #bdd0f7;
  background: #edf4ff;
}

.merchant-editor-panel {
  min-width: 0;
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.section-gap {
  margin-top: 4px;
}

.title {
  margin: 0;
  color: var(--text-strong);
  font-size: 42px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-title {
  margin: 0;
  color: var(--text-strong);
  font-size: 24px;
  line-height: 1.35;
}

.subtitle,
.section-desc {
  margin: 0;
  color: var(--text-soft);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid #dbe8ff;
  color: var(--primary-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.small {
  font-size: 13px;
}

.muted,
.muted-light {
  color: var(--text-soft);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  word-break: break-all;
}

.center {
  text-align: center;
}

.right {
  justify-content: flex-end;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--primary-strong);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.btn.secondary {
  background: #f4f7fb;
  color: #325073;
  border-color: var(--line);
}

.btn.ghost,
.btn.secondary.light {
  background: #fff;
  color: #325073;
  border-color: var(--line-strong);
}

.btn.success {
  background: var(--success);
}

.btn.big {
  min-height: 50px;
  padding: 0 22px;
}

.btn[disabled] {
  opacity: 0.56;
  cursor: not-allowed;
}

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid.two {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 13px;
  font-weight: 700;
  color: #46607d;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  font: inherit;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: #8eb3f8;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.empty-box {
  padding: 22px;
  border-radius: 16px;
  background: #fff8eb;
  border: 1px solid #f2d7ad;
  color: #8c5a10;
}

.notice,
.success-box,
.error-box {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
}

.notice {
  background: #f7faff;
  border-color: #dbe7f7;
  color: #315072;
}

.success-box {
  background: var(--success-soft);
  border-color: #cfeedd;
  color: #0d7b52;
}

.error-box {
  background: var(--warning-soft);
  border-color: #fed7aa;
  color: #9a5c0a;
}

.info-list {
  display: grid;
  gap: 10px;
}

.info-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.info-key {
  color: var(--text-soft);
}

.info-val {
  color: var(--text-strong);
}

.steps-list {
  display: grid;
  gap: 12px;
}

.step-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.step-no {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 28px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 13px;
  font-weight: 800;
}

.feature-card {
  background: #fff;
}

.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 800;
}

.mini-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mini-chip,
.endpoint-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid #dbe8ff;
  color: var(--primary-strong);
  font-size: 12px;
  font-weight: 700;
}

.mini-chip.success {
  background: var(--success-soft);
  border-color: #caebd4;
  color: #118257;
}

.marketing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.marketing-hero-main {
  align-content: start;
}

.marketing-hero-side {
  align-content: start;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.kpi-card {
  padding: 16px;
  border-radius: 16px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.kpi-card span {
  display: block;
  font-size: 12px;
  color: var(--text-soft);
}

.kpi-card strong {
  display: block;
  margin-top: 8px;
  color: var(--text-strong);
  font-size: 18px;
}

.summary-panel,
.code-panel {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid #e6edf6;
  background: var(--card-soft);
}

.summary-head,
.code-panel-head,
.method-strip-head,
.hero-side-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.summary-head strong,
.code-panel-head strong,
.method-strip-head strong,
.hero-side-head strong {
  color: var(--text-strong);
}

.summary-head span,
.code-panel-head a,
.method-strip-head span,
.hero-side-head span {
  font-size: 13px;
  color: var(--text-soft);
}

.summary-list,
.merchant-capability-list,
.merchant-grid,
.doc-grid,
.paper-grid,
.api-overview-grid,
.mini-method-grid,
.buyer-tips {
  display: grid;
  gap: 12px;
}

.summary-item,
.merchant-capability-item,
.merchant-case,
.doc-card,
.api-overview-card,
.mini-method-card,
.buyer-tip {
  padding: 16px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid #e6edf6;
}

.summary-item strong,
.merchant-capability-item strong,
.merchant-case strong,
.doc-card strong,
.api-overview-card strong,
.mini-method-card strong,
.buyer-tip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-strong);
}

.summary-item span,
.merchant-capability-item span,
.merchant-case span,
.doc-card span,
.api-overview-card p,
.mini-method-card span,
.buyer-tip .small {
  color: var(--text-soft);
  line-height: 1.7;
}

.merchant-grid,
.doc-grid,
.paper-grid,
.api-overview-grid,
.mini-method-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.mini-method-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.quiet-note {
  box-shadow: none;
  background: var(--card-soft);
}

.code-panel.slim .code-block {
  padding: 16px;
}

.code-block-wrap {
  overflow: auto;
}

.code-block {
  margin: 0;
  padding: 18px;
  border-radius: 16px;
  background: #0f172a;
  color: #dbeafe;
  font: 13px/1.8 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.doc-hero,
.query-hero {
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}

.endpoint-box {
  display: flex;
}

.table-like {
  display: grid;
  gap: 10px;
}

.table-like > div {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.table-like strong {
  color: var(--text-strong);
}

.table-like span {
  color: var(--text-soft);
}

.small-title {
  margin: 0;
  font-size: 16px;
  color: var(--text-strong);
}

.query-result {
  display: grid;
  gap: 18px;
}

.query-form {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.query-actions {
  align-self: end;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.option-card {
  padding: 16px;
  border-radius: 16px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.option-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.option-name {
  color: var(--text-strong);
  font-weight: 700;
}

.option-meta {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 13px;
}

.option-amount {
  margin-top: 12px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-strong);
}

.option-address,
.pay-address-box {
  margin-top: 12px;
  padding: 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #dfe7f1;
  color: #29415f;
}

.payment-top-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 18px;
  align-items: center;
}

.guarantee-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid #f2d4a5;
  background: linear-gradient(180deg, #fffaf0 0%, #fff5df 100%);
}

.guarantee-banner-main {
  display: grid;
  gap: 8px;
}

.guarantee-banner-main strong {
  color: #8a4b00;
  font-size: 24px;
  line-height: 1.45;
}

.guarantee-banner-main span,
.guarantee-banner-side {
  color: #8a5a1c;
}

.guarantee-banner-side {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.72);
  border: 1px solid #efd5a8;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
}

.payment-status-box {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 18px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.payment-status-box strong {
  color: var(--text-strong);
  font-size: 24px;
}

.payment-status-box span {
  color: var(--text-soft);
  font-size: 13px;
}

.payment-status-box.ok {
  background: var(--success-soft);
  border-color: #cfeedd;
}

.payment-status-box.warn {
  background: var(--warning-soft);
  border-color: #fed7aa;
}

.payment-status-box.wait {
  background: #f7faff;
  border-color: #dbe7f7;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #dbe7f7;
  color: var(--text-strong);
  font-size: 12px;
  font-weight: 700;
}

.method-strip-card {
  padding: 18px 22px;
}

.method-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.method-tab {
  min-width: 108px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.method-tab strong {
  display: block;
  color: var(--text-strong);
}

.method-tab span {
  display: block;
  margin-top: 2px;
  color: var(--text-soft);
  font-size: 13px;
}

.method-tab.active {
  border-color: #9fbefb;
  background: var(--primary-soft);
}

.payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 320px;
  gap: 18px;
  align-items: start;
}

.payment-main-column,
.payment-side-column {
  display: grid;
  gap: 18px;
}

.payment-side-column {
  position: sticky;
  top: 92px;
}

.payment-main-card,
.order-side-card,
.success-summary-card {
  display: grid;
  gap: 18px;
}

.pay-main-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.amount-title {
  margin: 6px 0 0;
  color: var(--text-strong);
  font-size: 40px;
  line-height: 1.15;
}

.amount-subline {
  margin-top: 6px;
  color: #3e5878;
}

.payment-actions-inline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.payment-core-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 18px;
  align-items: start;
}

.address-area,
.qr-area {
  display: grid;
  gap: 12px;
}

.panel-label {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.address-meta,
.qr-tip {
  color: var(--text-soft);
  font-size: 13px;
}

.pay-rule-box {
  display: grid;
  gap: 10px;
}

.pay-rule-item {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.pay-rule-item strong {
  display: block;
  color: var(--text-strong);
  margin-bottom: 4px;
}

.pay-rule-item span {
  color: var(--text-soft);
  font-size: 13px;
}

.pay-qr-box {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #dfe7f1;
}

.pay-qr-box img {
  width: 240px;
  height: 240px;
  object-fit: contain;
  border-radius: 12px;
}

.pay-qr-placeholder {
  color: var(--text-soft);
  text-align: center;
}

.order-meta-list {
  display: grid;
  gap: 10px;
}

.order-meta-list > div {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.order-meta-list span {
  display: block;
  color: var(--text-soft);
  font-size: 13px;
}

.order-meta-list strong {
  display: block;
  margin-top: 6px;
  color: var(--text-strong);
}

.side-status-value {
  color: var(--text-strong);
  font-size: 28px;
  font-weight: 800;
}

.side-block {
  display: grid;
  gap: 12px;
}

.pay-step-list {
  gap: 10px;
}

.mini-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--card-soft);
  border: 1px solid #e6edf6;
}

.mini-step strong {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 12px;
}

.mini-step span {
  color: var(--text);
  font-size: 14px;
}

.pay-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  transform: translate(-50%, 12px);
  min-width: 220px;
  max-width: min(92vw, 420px);
  padding: 12px 16px;
  border-radius: 12px;
  background: #132238;
  color: #fff;
  text-align: center;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.18);
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.pay-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.simple-empty-card {
  max-width: 760px;
}

@media (max-width: 1080px) {
  .marketing-hero,
  .payment-layout,
  .payment-core-grid,
  .payment-top-card,
  .guarantee-banner {
    grid-template-columns: 1fr;
  }

  .payment-side-column {
    position: static;
  }
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    flex-wrap: wrap;
  }

  .site-header-nav {
    width: 100%;
    order: 3;
  }

  .site-header-actions {
    margin-left: 0;
  }

  .query-form,
  .table-like > div,
  .pay-main-top,
  .payment-actions-inline {
    grid-template-columns: 1fr;
    justify-content: flex-start;
  }

  .pay-main-top {
    display: grid;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 14px 12px 28px;
  }

  .hero,
  .card,
  .doc-hero,
  .query-hero,
  .payment-top-card {
    padding: 20px;
  }

  .title {
    font-size: 30px;
  }

  .section-title {
    font-size: 22px;
  }

  .site-header-cta,
  .actions .btn,
  .payment-actions-inline .btn,
  .compact-actions .btn {
    width: 100%;
  }

  .trust-strip,
  .merchant-grid,
  .doc-grid,
  .paper-grid,
  .api-overview-grid,
  .mini-method-grid,
  .option-grid {
    grid-template-columns: 1fr;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .method-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .amount-title {
    font-size: 32px;
  }

  .pay-qr-box img {
    width: 220px;
    height: 220px;
  }
}