/* =========================================================
   咨询通道 · /inquiry/  作用域：.page-contact
   ========================================================= */

.page-contact {
  --ct-rule: 1px solid var(--hair);
  --ct-soft: rgba(14, 17, 20, .68);
  --ct-soft-light: rgba(245, 240, 230, .76);
  --ct-gap: clamp(1.25rem, 3vw, 2.25rem);
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 通用：区块与标题 ---------- */
.page-contact .ct-sec {
  padding-block: clamp(2.75rem, 7vw, 5rem);
}

.page-contact .ct-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
}

.page-contact .ct-sec-head--mt {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}

.page-contact .ct-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  line-height: 1;
  color: var(--blue);
  border: var(--ct-rule);
  padding: .24rem .48rem;
  flex: none;
}

.page-contact .ct-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.8vw, 2.05rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

.page-contact .ct-sec-head--light .ct-num {
  color: var(--lime);
  border-color: rgba(245, 240, 230, .38);
}

.page-contact .ct-sec-head--light .ct-h2 {
  color: var(--paper);
}

.page-contact .ct-body-text {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
  max-width: 42em;
  margin: 0 0 1rem;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  background-color: var(--deep);
  background-image:
    linear-gradient(rgba(245, 240, 230, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, .045) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--paper);
}

.page-contact .ct-hero-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(1.75rem, 4vw, 2.75rem) var(--gutter) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-crumbs {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ct-soft-light);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-crumbs li + li::before {
  content: "/";
  margin-right: .5rem;
  color: rgba(245, 240, 230, .4);
}

.page-contact .ct-crumbs a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 240, 230, .38);
}

.page-contact .ct-hero-cols {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 900px) {
  .page-contact .ct-hero-cols {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-contact .ct-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--lime);
  margin: 0 0 1rem;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6.5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: 0 0 1.25rem;
}

.page-contact .ct-hero-lede {
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ct-soft-light);
  margin: 0;
}

.page-contact .ct-hero-panel {
  position: relative;
  background: linear-gradient(155deg, var(--blue) 0%, #0b3ecb 58%, var(--bronze) 100%);
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.5rem, 3vw, 2.25rem) clamp(2.2rem, 4vw, 2.8rem);
  overflow: hidden;
}

.page-contact .ct-hero-panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(245, 240, 230, .45) 0 1px,
    transparent 1px 14px
  );
  opacity: .7;
}

.page-contact .ct-panel-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: rgba(245, 240, 230, .88);
  margin: 0 0 .85rem;
}

.page-contact .ct-panel-num {
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 11vw, 6rem);
  line-height: .85;
  letter-spacing: -.04em;
  color: var(--paper);
  display: block;
  margin: 0;
}

.page-contact .ct-panel-unit {
  display: block;
  font-weight: 700;
  font-size: clamp(.95rem, 1.8vw, 1.15rem);
  color: var(--paper);
  margin: .4rem 0 .95rem;
}

.page-contact .ct-panel-note {
  font-size: .86rem;
  line-height: 1.78;
  color: rgba(245, 240, 230, .88);
  margin: 0;
  max-width: 30em;
}

/* ---------- 联系渠道 + 流程 主栅格 ---------- */
.page-contact .ct-grid {
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.5rem);
}

@media (min-width: 1024px) {
  .page-contact .ct-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2.5rem, 4.5vw, 4.5rem);
    align-items: start;
  }

  .page-contact .ct-col-flow {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .ct-col-channels {
    grid-column: 2;
    grid-row: 1;
  }
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
}

.page-contact .ct-channel {
  border-top: var(--ct-rule);
  padding: 1.35rem 0 1.6rem;
}

.page-contact .ct-channel:last-child {
  border-bottom: var(--ct-rule);
}

.page-contact .ct-channel-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--bronze);
  margin: 0 0 .65rem;
}

.page-contact .ct-channel-value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel-actions {
  display: flex;
  gap: .6rem;
  margin: .7rem 0 0;
}

.page-contact .ct-copy {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  line-height: 1;
  color: var(--blue);
  border: 1px solid currentColor;
  padding: .3rem .58rem;
}

.page-contact .ct-channel-use {
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ct-soft);
  margin: .9rem 0 0;
  max-width: 40em;
}

/* ---------- 来函节奏 ---------- */
.page-contact .ct-letter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .ct-letter-list li {
  border-left: 3px solid var(--hair);
  padding: .5rem 0 .5rem .95rem;
}

.page-contact .ct-letter-list li:nth-child(1) { border-left-color: var(--bronze); }
.page-contact .ct-letter-list li:nth-child(2) { border-left-color: var(--orange); }
.page-contact .ct-letter-list li:nth-child(3) { border-left-color: var(--blue); }

.page-contact .ct-letter-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--brick);
  margin-bottom: .4rem;
}

.page-contact .ct-letter-list p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ct-soft);
}

/* ---------- 邮件标题选择器 ---------- */
.page-contact .ct-picker {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  border: var(--ct-rule);
  background: rgba(255, 255, 255, .42);
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.page-contact .ct-picker-title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--brick);
  margin: 0 0 .95rem;
}

.page-contact .ct-seg {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  justify-content: start;
}

.page-contact .segmented-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .segmented-option {
  display: block;
  text-align: center;
  font-size: .86rem;
  line-height: 1.2;
  padding: .6rem .4rem;
  border: 1px solid var(--hair);
  background: var(--paper);
  color: var(--brick);
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-contact .segmented-input:checked + .segmented-option {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}

.page-contact .segmented-input:focus-visible + .segmented-option {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .ct-hint {
  display: none;
  grid-column: 1 / -1;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--hair);
}

.page-contact #ct-t1:checked ~ #ct-hint-1,
.page-contact #ct-t2:checked ~ #ct-hint-2,
.page-contact #ct-t3:checked ~ #ct-hint-3 {
  display: block;
}

.page-contact .ct-hint-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-contact .ct-hint-list li {
  display: grid;
  gap: .2rem;
}

@media (min-width: 560px) {
  .page-contact .ct-hint-list li {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

.page-contact .ct-hint-key {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-contact .ct-hint-val {
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 对接流程刻度 ---------- */
.page-contact .ct-scale {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.35rem;
  border-left: 2px solid var(--hair);
}

.page-contact .ct-scale-item {
  position: relative;
}

.page-contact .ct-scale-item::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 1.15rem;
  width: 1.35rem;
  height: 1px;
  background: var(--hair);
}

.page-contact .ct-step {
  border: 0;
  border-bottom: var(--ct-rule);
}

.page-contact .ct-scale-item:last-child .ct-step {
  border-bottom: 0;
}

.page-contact .ct-step-sum {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .8rem 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-step-sum::-webkit-details-marker { display: none; }
.page-contact .ct-step-sum::marker { content: ""; }

.page-contact .ct-step-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  line-height: 1;
  color: var(--blue);
  border: var(--ct-rule);
  padding: .22rem .44rem;
  flex: none;
}

.page-contact .ct-step-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.14rem);
  letter-spacing: .01em;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-contact .ct-step[open] .ct-step-name {
  color: var(--blue);
}

.page-contact .ct-step-body {
  padding: 0 0 1.1rem;
}

.page-contact .ct-step-body p {
  margin: 0 0 .55rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ct-soft);
  max-width: 40em;
}

.page-contact .ct-step-body .ct-meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--bronze);
  margin: 0;
}

.page-contact .ct-flow-fig {
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
}

.page-contact .ct-flow-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--ct-rule);
  filter: saturate(.85) contrast(1.05);
}

.page-contact .ct-flow-fig .media-cap {
  margin-top: .6rem;
}

/* ---------- 交付周期 ---------- */
.page-contact .ct-delivery {
  border-top: var(--ct-rule);
  background: linear-gradient(180deg, rgba(19, 88, 255, .06), transparent 62%);
}

.page-contact .ct-delivery-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

@media (min-width: 820px) {
  .page-contact .ct-delivery-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .ct-big-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 13vw, 8.5rem);
  line-height: .84;
  letter-spacing: -.05em;
  color: var(--blue);
  margin: 0;
}

.page-contact .ct-big-unit {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  color: var(--ink);
  margin: .45rem 0 .55rem;
}

.page-contact .ct-delivery-sub {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--bronze);
  margin: 0;
}

.page-contact .ct-checks {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .ct-checks li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ct-soft);
}

.page-contact .ct-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--blue);
}

/* ---------- 服务区域 ---------- */
.page-contact .ct-region {
  position: relative;
  overflow: hidden;
  background: var(--brick);
  color: var(--paper);
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-region-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  filter: grayscale(1) contrast(1.1);
  opacity: .18;
}

.page-contact .ct-region-inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter);
}

.page-contact .ct-region-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 820px) {
  .page-contact .ct-region-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .ct-region-lede {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.8;
  color: var(--paper);
  margin: 0;
  max-width: 30em;
}

.page-contact .ct-region-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .95rem;
}

.page-contact .ct-region-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ct-soft-light);
}

.page-contact .ct-region-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .65rem;
  height: 2px;
  background: var(--lime);
}

.page-contact .ct-region-list a,
.page-contact .ct-region-lede a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 255, 63, .5);
}

/* ---------- 备案信息 ---------- */
.page-contact .ct-base {
  position: relative;
  background: var(--deep);
  color: var(--paper);
  margin-top: clamp(3rem, 7vw, 5.5rem);
}

.page-contact .ct-base::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -26px;
  height: 26px;
  background: var(--deep);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-base-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(2.25rem, 5vw, 3.5rem) var(--gutter) clamp(2.25rem, 5vw, 3.25rem);
}

.page-contact .ct-base-rule {
  height: 22px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(245, 240, 230, .35) 0 1px,
    transparent 1px 18px
  );
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .ct-base-list {
  margin: 0;
  display: grid;
  gap: .9rem;
}

@media (min-width: 720px) {
  .page-contact .ct-base-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 3rem;
  }
}

.page-contact .ct-base-row {
  display: grid;
  gap: .25rem;
  border-top: 1px solid rgba(245, 240, 230, .16);
  padding-top: .75rem;
}

@media (min-width: 480px) {
  .page-contact .ct-base-row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: .8rem;
    align-items: baseline;
  }
}

.page-contact .ct-base-row dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: rgba(245, 240, 230, .62);
  margin: 0;
}

.page-contact .ct-base-row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 降级动画 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .segmented-option,
  .page-contact .ct-step-name {
    transition: none;
  }
}