.page-contact {
  --ct-side-w: 306px;
  --ct-gap: clamp(28px, 4.5vw, 64px);
  --ct-block-gap: clamp(56px, 7vw, 104px);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(48px, 6vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb-wrap {
  padding-top: clamp(20px, 3vw, 34px);
}
.page-contact .ct-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.page-contact .ct-crumb li {
  display: flex;
  align-items: center;
  color: var(--grey);
}
.page-contact .ct-crumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(154, 163, 174, .5);
}
.page-contact .ct-crumb a {
  color: var(--grey);
  text-decoration: none;
  transition: color .2s ease;
}
.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--flame);
}
.page-contact .ct-crumb .fx-breadcrumb__item[aria-current="page"] {
  color: var(--flame);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 72px) 0 clamp(48px, 6vw, 92px);
}
.page-contact .ct-hero__slant {
  position: absolute;
  inset: 0;
  background: linear-gradient(210deg, rgba(255, 95, 31, .18) 0%, rgba(255, 95, 31, .04) 42%, rgba(255, 95, 31, 0) 66%);
  clip-path: polygon(56% 0, 100% 0, 100% 100%, 30% 100%);
  pointer-events: none;
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
  align-items: center;
}
.page-contact .ct-hero__text .fx-eyebrow {
  display: inline-block;
  margin: 0 0 18px;
}
.page-contact .ct-hero__text .fx-h1 {
  margin: 0 0 20px;
}
.page-contact .ct-hero__text .fx-lead {
  margin: 0;
  max-width: 40ch;
}
.page-contact .ct-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.page-contact .ct-hero__media {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--panel-deep);
}
.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 主布局 ---------- */
.page-contact .ct-layout {
  display: grid;
  gap: var(--ct-gap);
  padding-top: clamp(8px, 2vw, 24px);
}
.page-contact .ct-side {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-contact .ct-main {
  display: grid;
  gap: var(--ct-block-gap);
  min-width: 0;
}

/* ---------- 联系卡片 ---------- */
.page-contact .ct-card {
  position: relative;
  overflow: hidden;
  padding: 22px 22px 24px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255, 95, 31, .07) 0%, rgba(26, 28, 34, 0) 62%),
    var(--panel);
}
.page-contact .ct-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--flame);
}
.page-contact .ct-card--tel::before {
  background: var(--cyan);
}
.page-contact .ct-card--geo::before {
  background: var(--ember);
}
.page-contact .ct-card--geo {
  background: var(--panel-deep);
}
.page-contact .ct-card__label {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--grey);
}
.page-contact .ct-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--white);
  word-break: break-all;
}
.page-contact .ct-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--grey);
}
.page-contact .ct-seal {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 14px;
  border: 1px dashed rgba(255, 95, 31, .55);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--flame-soft);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-block {
  position: relative;
  min-width: 0;
}
.page-contact .ct-block .fx-chapter {
  margin-bottom: 22px;
}
.page-contact .ct-intro {
  max-width: 46ch;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--grey);
}
.page-contact .ct-note {
  margin: 24px 0 0;
  padding-left: 15px;
  border-left: 2px solid var(--ember);
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}
.page-contact .ct-inline {
  margin: 18px 0 0;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(42, 240, 208, .08);
  border: 1px solid rgba(42, 240, 208, .22);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 列表 ---------- */
.page-contact .ct-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}
.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--cyan);
  opacity: .85;
}
.page-contact .ct-list li strong {
  color: var(--white);
  font-weight: 600;
}
.page-contact .ct-list--tight {
  gap: 9px;
  margin-top: 16px;
}
.page-contact .ct-list--tight li {
  font-size: 14.5px;
  color: var(--grey);
}
.page-contact .ct-list--tight li::before {
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flame);
}

/* ---------- 反馈类型切换 ---------- */
.page-contact .ct-type {
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(200deg, rgba(255, 95, 31, .08) 0%, rgba(21, 23, 29, 0) 55%),
    var(--panel-deep);
}
.page-contact .ct-type__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.page-contact .ct-type__tab {
  display: inline-block;
  padding: 9px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  font-size: 14px;
  color: var(--grey);
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.page-contact .ct-type__tab:hover {
  color: var(--white);
  border-color: var(--flame);
}
.page-contact .ct-type__panel {
  display: none;
}
.page-contact .ct-type__input:nth-of-type(1):checked ~ .ct-type__tabs .ct-type__tab:nth-child(1),
.page-contact .ct-type__input:nth-of-type(2):checked ~ .ct-type__tabs .ct-type__tab:nth-child(2),
.page-contact .ct-type__input:nth-of-type(3):checked ~ .ct-type__tabs .ct-type__tab:nth-child(3) {
  color: var(--ink);
  background: linear-gradient(120deg, var(--flame), var(--flame-soft));
  border-color: var(--flame);
  font-weight: 600;
}
.page-contact .ct-type__input:nth-of-type(1):checked ~ .ct-type__panels > .ct-type__panel:nth-child(1),
.page-contact .ct-type__input:nth-of-type(2):checked ~ .ct-type__panels > .ct-type__panel:nth-child(2),
.page-contact .ct-type__input:nth-of-type(3):checked ~ .ct-type__panels > .ct-type__panel:nth-child(3) {
  display: block;
  animation: ct-panel-in .26s ease-out both;
}
@keyframes ct-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-rhythm {
  border-top: 1px solid var(--line-soft);
}
.page-contact .ct-rhythm__row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .ct-rhythm__key {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--flame);
}
.page-contact .ct-rhythm__row p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--grey);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: 18px;
}
.page-contact .ct-coop__item {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: border-color .24s ease, transform .24s ease;
}
.page-contact .ct-coop__item:hover {
  border-color: rgba(255, 95, 31, .55);
  transform: translateY(-3px);
}
.page-contact .ct-coop__idx {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--flame);
}
.page-contact .ct-coop__name {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--white);
}
.page-contact .ct-coop__item > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 地址区（暖纸色） ---------- */
.page-contact .ct-block--paper {
  padding: clamp(28px, 4.2vw, 54px);
  border-radius: var(--radius-xl);
  background: var(--paper);
  color: var(--paper-ink);
}
.page-contact .ct-block--paper .fx-chapter {
  margin-bottom: 26px;
}
.page-contact .ct-block--paper .fx-chapter__num {
  color: var(--ember);
}
.page-contact .ct-block--paper .fx-chapter__title {
  color: var(--paper-ink);
}
.page-contact .ct-address {
  display: grid;
  gap: 24px;
  margin-bottom: 30px;
}
.page-contact .ct-address__box {
  margin: 0;
  padding: 20px 22px;
  border-left: 3px solid var(--flame);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(255, 95, 31, .12);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.9;
  font-style: normal;
}
.page-contact .ct-address__tag {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ember);
}
.page-contact .ct-address__line {
  margin: 0;
  color: var(--paper-ink);
  word-break: break-word;
}
.page-contact .ct-address__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-ink);
}
.page-contact .ct-address__body p:last-child {
  margin-bottom: 0;
}
.page-contact .ct-address__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-deep);
}
.page-contact .ct-address__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-contact .ct-address__media .fx-media__cap {
  background: var(--panel-deep);
  color: var(--grey);
}

/* ---------- 反馈实例 ---------- */
.page-contact .ct-samples {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-sample;
}
.page-contact .ct-sample {
  display: grid;
  gap: 12px;
  padding: 24px 24px 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(200deg, rgba(42, 240, 208, .06) 0%, rgba(26, 28, 34, 0) 58%),
    var(--panel);
}
.page-contact .ct-sample__tag {
  justify-self: start;
  padding: 5px 14px;
  border-radius: var(--pill);
  background: rgba(255, 95, 31, .16);
  border: 1px solid rgba(255, 95, 31, .42);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--flame-soft);
}
.page-contact .ct-sample__good {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
}
.page-contact .ct-sample__why {
  margin: 0;
  padding-left: 15px;
  border-left: 2px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.78;
  color: var(--grey);
}

/* ---------- 收尾火焰线 ---------- */
.page-contact .ct-flare {
  display: block;
  height: 2px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, rgba(255, 95, 31, 0), var(--flame) 22%, var(--cyan) 68%, rgba(42, 240, 208, 0));
  opacity: .85;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-rhythm__row {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
    padding: 24px 0;
  }
  .page-contact .ct-address {
    grid-template-columns: minmax(230px, 292px) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
  .page-contact .ct-coop {
    grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
  .page-contact .ct-hero__media {
    transform: translateY(14px);
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-layout {
    grid-template-columns: var(--ct-side-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .ct-side {
    position: sticky;
    top: 104px;
  }
}

@media (max-width: 640px) {
  .page-contact .ct-hero__slant {
    clip-path: polygon(40% 0, 100% 0, 100% 100%, 12% 100%);
  }
  .page-contact .ct-type__tab {
    padding: 8px 15px;
    font-size: 13.5px;
  }
  .page-contact .ct-block--paper {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
  }
  .page-contact .ct-card {
    padding: 20px 18px 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-type__input:nth-of-type(1):checked ~ .ct-type__panels > .ct-type__panel:nth-child(1),
  .page-contact .ct-type__input:nth-of-type(2):checked ~ .ct-type__panels > .ct-type__panel:nth-child(2),
  .page-contact .ct-type__input:nth-of-type(3):checked ~ .ct-type__panels > .ct-type__panel:nth-child(3) {
    animation: none;
  }
  .page-contact .ct-coop__item:hover {
    transform: none;
  }
}
<<<END>>>