:root {
  --ink: #14212b;
  --ink-soft: #5a6b78;
  --paper: #eef3f6;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --accent: #0f766e;
  --accent-2: #0d9488;
  --accent-soft: rgba(15, 118, 110, 0.1);
  --line: rgba(20, 33, 43, 0.1);
  --line-strong: rgba(20, 33, 43, 0.16);
  --danger: #c2410c;
  --ok: #047857;
  --warn: #b45309;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 10px 28px rgba(20, 33, 43, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
  --font-display: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  /* compat aliases used by older markup */
  --bg: transparent;
  --card: var(--surface);
  --text: var(--ink);
  --muted: var(--ink-soft);
  --font: var(--font-body);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -8%, rgba(13, 148, 136, 0.14), transparent 55%),
    radial-gradient(700px 380px at 96% 0%, rgba(56, 118, 168, 0.1), transparent 50%),
    linear-gradient(180deg, #f7fafc 0%, var(--paper) 46%, #e8eef3 100%);
  min-height: 100vh;
  background-attachment: fixed;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(20, 33, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 43, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
}

.shell,
.wrap,
.wrap-wide,
.topbar,
.hero,
.panel,
.form-card,
.stats,
.tabs,
.pay-card,
.site-footer {
  position: relative;
  z-index: 1;
}
.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 3.5rem;
}
.wrap,
.content-narrow {
  width: min(720px, 100%);
  margin: 0 auto;
}
.wrap-wide {
  width: 100%;
}
.content-login {
  width: min(420px, 100%);
  margin: 2.5vh auto 0;
}
main:empty { display: none; }


a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img, video { max-width: 100%; display: block; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent);
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  font-size: 0.88em;
}
pre {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow: auto;
  font-size: 0.82rem;
  color: var(--ink);
}

/* —— site chrome —— */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 1rem;
  margin-bottom: 1.35rem;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--line-strong), transparent) 1;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px) saturate(1.2);
  background: rgba(247, 250, 252, 0.78);
  animation: fade-down 0.45s ease both;
  flex-wrap: nowrap;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand::before {
  content: "";
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent-2), #155e75);
  box-shadow: 0 0 0 3px var(--accent-soft);
  flex-shrink: 0;
}
.nav {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  flex-wrap: nowrap;
  justify-content: flex-end;
}
.nav a {
  color: inherit;
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.nav a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}
.nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}
.nav .btn {
  margin-left: 0.25rem;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}
.page-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}
.page-head .sub {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

/* —— buttons —— */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  background: linear-gradient(180deg, #129184 0%, var(--accent) 100%);
  color: #fff;
  padding: 0.62rem 1.05rem;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.15s ease, opacity 0.15s ease, filter 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  text-decoration: none;
  color: #fff;
}
.btn.secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  filter: none;
}
.btn.secondary:hover {
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--accent);
  filter: none;
}
.btn.danger {
  background: linear-gradient(180deg, #ea580c 0%, var(--danger) 100%);
  color: #fff;
}
.btn.ok {
  background: linear-gradient(180deg, #059669 0%, var(--ok) 100%);
}
.btn.ghost {
  background: var(--accent-soft);
  color: var(--accent);
}
.btn.sm { padding: 0.35rem 0.6rem; font-size: 0.85rem; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  align-items: center;
}

/* —— surfaces —— */
.pay-card,
.panel,
.stat,
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.form-card {
  padding: 1.7rem 1.6rem 1.55rem;
  width: min(420px, 100%);
  margin: 3.2rem auto;
  animation: rise 0.5s ease both;
}
.form-card .login-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}
.form-card .login-mark::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--accent);
}
.form-card h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.pay-card {
  padding: 1.75rem;
  animation: rise 0.5s ease both;
}
.pay-card h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.pay-card .sub {
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}
.panel {
  padding: 1.35rem 1.4rem;
  margin-bottom: 1.05rem;
  animation: rise 0.55s ease both;
}
.panel h2, .panel h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.panel h3 { font-size: 1.05rem; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; }
.panel-lead {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 46rem;
}

.grid { display: grid; gap: 0.95rem; }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 0.95rem;
  margin: 0.15rem 0 1.35rem;
}
.stat {
  padding: 1.05rem 1.15rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
  animation: rise 0.5s ease both;
  overflow: hidden;
  position: relative;
}
.stat::after {
  content: "";
  position: absolute;
  right: -12px;
  top: -12px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-soft);
  pointer-events: none;
}
.stat:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.28);
}
.stat .label {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}
.stat .value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 0.35rem;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  color: var(--ink);
}

/* —— forms / tables —— */
.field { margin: 1rem 0; }
.field label,
label {
  display: block;
  font-size: 0.84rem;
  margin: 0.9rem 0 0.35rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.field label { margin-top: 0; }
.field .value {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
  word-break: break-all;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.92rem;
}
input, select, textarea {
  width: 100%;
  padding: 0.74rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface-solid);
  font: inherit;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 96px; resize: vertical; }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.table th, .table td {
  text-align: left;
  padding: 0.85rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table th {
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.table tbody tr {
  transition: background 0.15s ease;
}
.table tbody tr:hover {
  background: rgba(15, 118, 110, 0.04);
}
.tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.tabs button {
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.tabs button:hover {
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--accent);
}
.tabs button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}

.okmsg { color: var(--ok); margin-top: 0.75rem; font-size: 0.9rem; font-weight: 500; }
.error { color: var(--danger); margin-top: 0.75rem; font-size: 0.9rem; font-weight: 500; }
.muted { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.65; }
.login-box { max-width: 420px; margin: 2.5vh auto 0; width: min(420px, 100%); padding: 0; }

.subnav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: nowrap;
  align-items: center;
  margin: 0 0 1rem;
  padding: 0.35rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  width: fit-content;
  max-width: 100%;
}
.subnav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.subnav a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}
.subnav a.active {
  background: var(--accent);
  color: #fff;
}

.secrets-box {
  margin-top: 1rem;
  background: rgba(180, 83, 9, 0.08);
  border: 1px solid rgba(180, 83, 9, 0.28);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.secrets-box h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-family: var(--font-display);
}

/* —— pay page —— */
.amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.25rem 0 0.15rem;
}
.amount small {
  font-size: 1rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.network {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 650;
  margin-bottom: 1rem;
}
.qr-box { text-align: center; margin: 1.25rem 0; }
.qr-box img {
  width: 180px;
  height: 180px;
  background: #fff;
  padding: 10px;
  border-radius: 12px;
  margin: 0 auto;
  border: 1px solid var(--line);
}
.steps {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
}
.steps li {
  counter-increment: s;
  position: relative;
  padding: 0.55rem 0 0.55rem 2.2rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  border-top: 1px solid var(--line);
}
.steps li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.steps li strong { color: var(--ink); }
.warn {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(180, 83, 9, 0.1);
  color: var(--warn);
  font-size: 0.88rem;
  font-weight: 500;
}
.status {
  margin-top: 1rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}
.status.ok {
  background: rgba(4, 120, 87, 0.1);
  border-color: rgba(4, 120, 87, 0.25);
  color: var(--ok);
}
.status.bad {
  background: rgba(194, 65, 12, 0.1);
  border-color: rgba(194, 65, 12, 0.25);
  color: var(--danger);
}

/* —— home —— */
.hero {
  padding: 0.85rem 0 1.35rem;
  animation: rise 0.55s ease both;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.65rem);
  margin: 0 0 0.5rem;
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.hero p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 50rem;
  line-height: 1.7;
  font-size: 1.02rem;
}
.hero .actions { margin-top: 1rem; }
.home-features {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.home-feature {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}
.home-feature strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}
.home-feature span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}
.home-feature a { color: var(--accent); font-weight: 600; }
.home-feature a:hover { text-decoration: underline; }
.home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  counter-reset: step;
}
.home-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.85rem;
  align-items: start;
  padding: 0.95rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}
.home-steps li::before {
  content: counter(step);
  grid-row: 1 / span 2;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  margin-top: 0.1rem;
}
.home-steps strong {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
.home-steps span {
  grid-column: 2;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes fade-down {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; }
  .hero { padding-top: 0.65rem; }
  .topbar { align-items: center; }
  .nav { justify-content: flex-end; }
  .brand { font-size: 1.05rem; }
  .nav a { padding: 0.3rem 0.4rem; font-size: 0.85rem; }
  .merchant-chip { max-width: 8rem; }
}

/* —— merchant console —— */
.topbar-brand-group {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  flex-wrap: nowrap;
  flex-shrink: 0;
}
.role-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(15, 118, 110, 0.18);
  white-space: nowrap;
  flex-shrink: 0;
}
.merchant-chip {
  display: inline-flex;
  align-items: center;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 650;
  flex-shrink: 0;
}
.merchant-lead {
  margin: 0 0 1.15rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}
.merchant-lead strong { color: var(--ink); }
.panel-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin-bottom: 0.85rem;
}
.panel-head-row h2 { margin: 0; }
.panel-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  max-width: 36rem;
  line-height: 1.5;
}
.toolbar {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.85rem;
}
.table-scroll {
  overflow: auto;
  margin-top: 0.15rem;
}
#section-overview,
#section-orders,
#section-account {
  scroll-margin-top: 5.5rem;
}
.login-points {
  margin: 0 0 1.25rem;
  padding: 0.75rem 0.9rem 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}
.login-points li { margin: 0.15rem 0; }

/* —— site footer / support contacts —— */
.site-footer {
  margin-top: 2.75rem;
  padding-top: 0.25rem;
  animation: rise 0.55s ease both;
}
.site-footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.25rem;
  padding: 1.15rem 1.25rem;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(15, 118, 110, 0.14);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(240, 249, 248, 0.88)),
    radial-gradient(420px 160px at 0% 0%, rgba(13, 148, 136, 0.1), transparent 70%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 12px 32px rgba(20, 33, 43, 0.05);
}
.site-footer-copy { min-width: 8rem; }
.site-footer-kicker {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
}
.site-footer-lead {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.site-footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
  flex: 1 1 auto;
}
.support-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.55rem 0.7rem 0.55rem 0.6rem;
  min-width: min(248px, 100%);
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  font: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.support-btn-tg {
  background: linear-gradient(160deg, #edf8ff 0%, #e8f4fc 100%);
  border-color: rgba(37, 150, 190, 0.22);
  box-shadow: 0 6px 16px rgba(14, 116, 144, 0.08);
}
.support-btn-wa {
  background: linear-gradient(160deg, #edfbf3 0%, #e8f7ee 100%);
  border-color: rgba(22, 163, 74, 0.2);
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.08);
}
.support-btn:hover { transform: translateY(-2px); }
.support-btn-tg:hover {
  border-color: rgba(14, 116, 144, 0.4);
  box-shadow: 0 10px 22px rgba(14, 116, 144, 0.14);
}
.support-btn-wa:hover {
  border-color: rgba(22, 163, 74, 0.4);
  box-shadow: 0 10px 22px rgba(22, 163, 74, 0.14);
}
.support-btn:active { transform: translateY(0); }
.support-btn-icon {
  flex: 0 0 auto;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
}
.support-btn-tg .support-btn-icon {
  background: linear-gradient(145deg, #38bdf8, #0284c7);
}
.support-btn-wa .support-btn-icon {
  background: linear-gradient(145deg, #4ade80, #16a34a);
}
.support-btn-text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}
.support-btn-name {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.support-btn-tg .support-btn-name { color: #0e7490; }
.support-btn-wa .support-btn-name { color: #15803d; }
.support-btn-num {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  word-break: break-all;
  line-height: 1.25;
}
.support-btn-cta {
  flex: 0 0 auto;
  align-self: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(20, 33, 43, 0.06);
  white-space: nowrap;
}
.support-btn:hover .support-btn-cta {
  color: var(--ink);
  background: #fff;
}
.support-toast {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%) translateY(8px);
  z-index: 50;
  background: rgba(20, 33, 43, 0.92);
  color: #fff;
  padding: 0.6rem 1.05rem;
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 12px 32px rgba(20, 33, 43, 0.24);
  pointer-events: none;
  animation: toast-in 0.25s ease both;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(14px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media (max-width: 720px) {
  .site-footer-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .site-footer-actions { justify-content: stretch; }
  .support-btn { min-width: 0; width: 100%; }
}