.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  padding-top: clamp(18px, 4vw, 34px);
}
.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}
.page-contact .crumb-list a {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}
.page-contact .crumb-list a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.page-contact .crumb-sep {
  color: var(--silver);
}
.page-contact .crumb-current {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(30px, 6vw, 70px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px);
  background-size: 100% 48px;
}
.page-contact .ct-hero-cols {
  display: flex;
  gap: clamp(16px, 4vw, 48px);
  align-items: flex-start;
  justify-content: space-between;
}
.page-contact .ct-hero-title {
  margin: 14px 0 0;
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20em;
}
.page-contact .ct-hero-lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--graphite);
}
.page-contact .ct-hero-note {
  display: none;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--clay);
  padding-top: 6px;
  white-space: nowrap;
}

/* ---------- 区块通用头 ---------- */
.page-contact .ct-sec {
  padding-top: clamp(42px, 7vw, 86px);
}
.page-contact .ct-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding-bottom: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(24px, 4vw, 46px);
}
.page-contact .ct-head-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--orange);
  padding-top: 6px;
}
.page-contact .ct-head-title {
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
}
.page-contact .ct-head-desc {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-contact .ct-head-desc a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 92, 255, 0.35);
}
.page-contact .ct-head-desc a:hover {
  border-bottom-color: var(--blue);
}

/* ---------- 01 价格区间 ---------- */
.page-contact .ct-tiers {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-tier {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(20px, 3.2vw, 32px) 0;
  border-top: 1px solid var(--line);
}
.page-contact .ct-tier:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-tier-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-contact .ct-tier-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}
.page-contact .ct-tier-name {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -0.01em;
}
.page-contact .ct-tier-body {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-contact .ct-tier-bar {
  position: relative;
  height: 6px;
  background: var(--stone);
  overflow: hidden;
}
.page-contact .ct-tier-fill {
  display: block;
  height: 100%;
  width: 40%;
  transition: width var(--dur) ease;
}
.page-contact .ct-tier--silver .ct-tier-fill {
  width: 34%;
  background: var(--silver);
}
.page-contact .ct-tier--blue .ct-tier-fill {
  width: 66%;
  background: var(--blue);
}
.page-contact .ct-tier--orange .ct-tier-fill {
  width: 92%;
  background: var(--orange);
}
.page-contact .ct-tier-facts {
  display: grid;
  gap: 14px;
  margin: 0;
}
.page-contact .ct-fact dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--graphite);
}
.page-contact .ct-fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 02 档位与询价 ---------- */
.page-contact .ct-quote {
  position: relative;
  border: 1px solid var(--line);
  background: var(--white);
  padding: clamp(14px, 2.4vw, 28px);
}
.page-contact .ct-tier-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}
.page-contact .ct-switch {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(18px, 3vw, 28px);
}
.page-contact .ct-switch-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  background: var(--stone);
  cursor: pointer;
  transition: background var(--dur) ease, color var(--dur) ease;
}
.page-contact .ct-switch-item:hover {
  background: #DDD8CD;
}
.page-contact .ct-switch-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  opacity: 0.7;
}
.page-contact .ct-switch-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.page-contact #ct-tier-1:checked ~ .ct-switch .ct-switch-item--1 {
  background: var(--ink);
  color: var(--paper);
}
.page-contact #ct-tier-2:checked ~ .ct-switch .ct-switch-item--2 {
  background: var(--blue);
  color: var(--white);
}
.page-contact #ct-tier-3:checked ~ .ct-switch .ct-switch-item--3 {
  background: var(--orange);
  color: var(--white);
}
.page-contact #ct-tier-1:focus-visible ~ .ct-switch .ct-switch-item--1,
.page-contact #ct-tier-2:focus-visible ~ .ct-switch .ct-switch-item--2,
.page-contact #ct-tier-3:focus-visible ~ .ct-switch .ct-switch-item--3 {
  outline: 2px solid var(--blue);
  outline-offset: -3px;
}

.page-contact .ct-quote-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.6vw, 40px);
}
.page-contact .ct-form-col {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-contact .ct-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--stone);
}
.page-contact .ct-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .ct-shot figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--graphite);
  border-top: 1px solid var(--line);
}
.page-contact .ct-shot--wide {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}
.page-contact .ct-mini-title {
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 900;
  letter-spacing: -0.005em;
}
.page-contact .ct-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .ct-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink);
}
.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--orange);
}
.page-contact .ct-cta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--blue);
  border: 1px solid var(--blue);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(26, 92, 255, 0.22);
  transition: transform var(--dur) ease, box-shadow var(--dur) ease;
}
.page-contact .ct-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(26, 92, 255, 0.3);
}

.page-contact .ct-out-col {
  display: grid;
  align-content: start;
}
.page-contact .ct-out {
  display: none;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--stone);
  border-left: 3px solid var(--silver);
}
.page-contact #ct-tier-1:checked ~ .ct-quote-split .ct-out--1,
.page-contact #ct-tier-2:checked ~ .ct-quote-split .ct-out--2,
.page-contact #ct-tier-3:checked ~ .ct-quote-split .ct-out--3 {
  display: block;
}
.page-contact .ct-out--2 {
  border-left-color: var(--blue);
}
.page-contact .ct-out--3 {
  border-left-color: var(--orange);
}
.page-contact .ct-out-tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--graphite);
}
.page-contact .ct-out-title {
  margin: 0 0 18px;
  font-size: var(--fs-h4);
  font-weight: 900;
  line-height: 1.3;
}
.page-contact .ct-out-facts {
  margin: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-out-fact {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}
.page-contact .ct-out-fact:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-contact .ct-out-fact dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}
.page-contact .ct-out-fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 03 响应节奏 ---------- */
.page-contact .ct-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-contact .ct-flow-item {
  padding: clamp(20px, 3vw, 30px);
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
}
.page-contact .ct-flow-time {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.page-contact .ct-flow-title {
  margin: 0 0 8px;
  font-size: var(--fs-h4);
  font-weight: 900;
}
.page-contact .ct-flow-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 04 合作方式 ---------- */
.page-contact .ct-partners {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .ct-partner {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--white);
  border-top: 3px solid var(--silver);
}
.page-contact .ct-partner--blue {
  border-top-color: var(--blue);
}
.page-contact .ct-partner--orange {
  border-top-color: var(--orange);
}
.page-contact .ct-partner-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}
.page-contact .ct-partner-name {
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 900;
  line-height: 1.35;
}
.page-contact .ct-partner-facts {
  margin: 0;
  display: grid;
  gap: 12px;
}
.page-contact .ct-pf dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--graphite);
}
.page-contact .ct-pf dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 05 客服渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .ct-channel {
  padding: clamp(20px, 3vw, 28px);
  background: var(--white);
}
.page-contact .ct-channel-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}
.page-contact .ct-channel-value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .ct-channel-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-switch {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-hero-note {
    display: block;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-tier-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 26px;
  }
  .page-contact .ct-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 10px 28px;
  }
  .page-contact .ct-tier {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 18px 44px;
  }
  .page-contact .ct-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-contact .ct-quote {
    padding: clamp(22px, 2.6vw, 34px);
  }
  .page-contact .ct-quote-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tier-fill,
  .page-contact .ct-switch-item,
  .page-contact .ct-cta {
    transition: none;
  }
  .page-contact .ct-cta:hover {
    transform: none;
  }
}
<<<END>>>