/* 联系销售：左文案 + 右表单卡。颜色跟全站 token，按钮用参考稿的蓝。 */
.cs-page {
  background:
    radial-gradient(ellipse at 16% 42%, rgba(80, 140, 255, .10), transparent 42%),
    color-mix(in srgb, var(--paper) 92%, #eef3fb);
}
.cs-shell {
  flex: 1 0 auto;
  width: min(1080px, calc(100% - 2.4rem));
  margin: 0 auto;
  padding: clamp(2.2rem, 6vh, 4.2rem) 0 3rem;
}
.cs-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.6rem;
  font-weight: 750;
  font-size: 15px;
}
.cs-brand img { width: 28px; height: 28px; }
.cs-brand small {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .06em;
}
.cs-grid {
  display: grid;
  grid-template-columns: minmax(260px, 380px) minmax(320px, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.cs-copy h1 {
  margin: 0 0 .7rem;
  font-size: clamp(1.8rem, 3.4vw, 2.35rem);
  font-weight: 760;
  letter-spacing: -.02em;
}
.cs-sub {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
}
.cs-kicker {
  margin: 2rem 0 .85rem;
  font-size: .82rem;
  font-weight: 650;
  color: var(--muted);
}
.cs-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.cs-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .92rem;
  line-height: 1.45;
}
.cs-points svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin-top: 1px;
  color: #2f6bff;
}
.cs-trust {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cs-trust li {
  padding: 6px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .02em;
}
.cs-card {
  background: var(--panel);
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, .06);
  padding: 1.7rem 1.7rem 1.35rem;
}
.cs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.cs-field { margin-top: 14px; }
.cs-row .cs-field { margin-top: 0; }
.cs-card label {
  display: block;
  margin: 0 0 7px;
  font-size: .82rem;
  font-weight: 650;
  color: var(--ink);
}
.cs-card label i {
  color: #ef4444;
  font-style: normal;
  margin-right: 2px;
}
.cs-card input,
.cs-card select,
.cs-card textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid transparent;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ink) 5%, var(--paper));
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}
.cs-card input,
.cs-card select { height: 44px; padding: 0 14px; }
.cs-card textarea {
  min-height: 96px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.55;
}
.cs-card input::placeholder,
.cs-card textarea::placeholder { color: var(--soft, #9aa3b2); }
.cs-card input:focus,
.cs-card select:focus,
.cs-card textarea:focus {
  outline: none;
  border-color: #2f6bff;
  box-shadow: 0 0 0 3px rgba(47, 107, 255, .16);
  background: var(--panel);
}
.cs-phone {
  display: flex;
  align-items: center;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ink) 5%, var(--paper));
  border: 1px solid transparent;
}
.cs-phone:focus-within {
  border-color: #2f6bff;
  box-shadow: 0 0 0 3px rgba(47, 107, 255, .16);
  background: var(--panel);
}
.cs-phone select {
  width: auto;
  height: 42px;
  padding: 0 8px 0 12px;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 12px 0 0 12px;
  color: var(--ink);
}
.cs-phone input {
  height: 42px;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0 12px 12px 0;
}
.cs-phone select:focus,
.cs-phone input:focus { box-shadow: none; border-color: transparent; background: transparent; }
.cs-phone .cs-split {
  width: 1px;
  align-self: stretch;
  margin: 10px 0;
  background: color-mix(in srgb, var(--ink) 12%, transparent);
}
.cs-submit {
  width: 100%;
  margin-top: 18px;
  height: 48px;
  border: 0;
  border-radius: 12px;
  background: #2f6bff;
  color: #fff;
  font: 650 15px/1 inherit;
  letter-spacing: .04em;
  cursor: pointer;
}
.cs-submit:hover { background: #2457db; }
.cs-submit:disabled { opacity: .65; cursor: wait; }
.cs-msg {
  min-height: 1.2em;
  margin: 10px 0 0;
  font-size: .8rem;
  text-align: center;
  color: #dc2626;
}
.cs-msg.ok { color: #15803d; }
.cs-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.cs-ok { text-align: center; padding: 1.4rem .4rem 1rem; }
.cs-ok h2 { margin: 0 0 .5rem; font-size: 1.25rem; }
.cs-ok p { margin: 0 0 1.1rem; color: var(--muted); font-size: .92rem; line-height: 1.7; }
.cs-ok .cs-submit { width: auto; min-width: 8rem; padding: 0 1.2rem; }
@media (max-width: 899px) {
  .cs-shell {
    width: auto;
    margin-left: 1rem;
    margin-right: 4.2rem;
  }
}
@media (max-width: 860px) {
  .cs-grid { grid-template-columns: 1fr; }
  .cs-form-col { order: -1; }
  .cs-shell { padding-bottom: 6rem; }
}
@media (max-width: 560px) {
  .cs-row { grid-template-columns: 1fr; gap: 14px; }
  .cs-row .cs-field + .cs-field { margin-top: 0; }
  .cs-card { padding: 1.2rem 1rem 1rem; }
}