.page-contact {
  --ct-gap: clamp(16px, 2vw, 28px);
  --ct-band: clamp(44px, 7vw, 92px);
  display: block;
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  letter-spacing: -.01em;
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 18px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .06em;
}
.page-contact .breadcrumb__item {
  color: var(--dim);
  text-decoration: none;
  transition: color var(--ease);
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "›";
  margin: 0 9px;
  color: var(--line);
}
.page-contact a.breadcrumb__item:hover,
.page-contact a.breadcrumb__item:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 64px) 0 clamp(38px, 6vw, 74px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 92% at 92% 2%, rgba(34, 224, 255, .16), transparent 62%),
    linear-gradient(180deg, var(--panel) 0%, var(--void) 80%);
}
.ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(42, 58, 85, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 85, .55) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .3;
  pointer-events: none;
}
.ct-hero::after {
  content: "";
  position: absolute;
  right: -150px;
  top: -130px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(34, 224, 255, .22);
  box-shadow:
    0 0 0 52px rgba(34, 224, 255, .05),
    0 0 0 116px rgba(255, 106, 26, .035);
  pointer-events: none;
}
.ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
.ct-hero__main {
  min-width: 0;
}
.ct-hero .eyebrow {
  margin: 0 0 14px;
}
.ct-hero__title {
  font-family: var(--font-head);
  font-size: var(--fs-hero);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 0 0 18px;
  max-width: 15ch;
}
.ct-hero__lead {
  margin: 0;
  max-width: 60ch;
  color: var(--dim);
}

.ct-status {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(19, 30, 58, .92), rgba(12, 20, 40, .92));
  padding: clamp(18px, 2.2vw, 24px);
}
.ct-status__head {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sage);
}
.ct-status__state {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: var(--fs-h3);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}
.ct-status__dot {
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 255, .18);
  animation: ct-pulse 2.4s ease-in-out infinite;
}
@keyframes ct-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}
.ct-status__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}
.ct-status__list > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 14px;
  background: var(--panel);
  padding: 11px 14px;
}
.ct-status__list dt {
  color: var(--dim);
  font-size: var(--fs-note);
}
.ct-status__list dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  color: var(--cyan);
  text-align: right;
}

/* ---------- 章节骨架 ---------- */
.ct-section {
  padding: var(--ct-band) 0;
}
.ct-section + .ct-section {
  border-top: 1px solid var(--line);
}
.page-contact .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}
.page-contact .section-num {
  font-family: var(--font-data);
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--line);
  transition: color 260ms ease;
}
.page-contact [data-chapter].is-active .section-num {
  color: var(--pulse);
}
.page-contact .section-title {
  font-family: var(--font-head);
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0;
}
.page-contact .section-lead {
  margin: 0;
  max-width: 64ch;
  color: var(--dim);
}

/* ---------- 刻度条 ---------- */
.ct-scale {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(18px, 2.4vw, 26px);
  margin-bottom: var(--ct-gap);
}
.ct-scale__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.ct-scale__range {
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--text);
}
.ct-scale__track {
  position: relative;
  height: 8px;
  background: var(--lift);
  border: 1px solid var(--line);
}
.ct-scale__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--sage) 42%, var(--pulse) 100%);
}
.ct-scale__marks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  color: var(--dim);
  letter-spacing: .02em;
}

/* ---------- 响应顺序 ---------- */
.ct-order {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ct-order__item {
  background: var(--panel);
  padding: clamp(18px, 2.3vw, 26px);
  transition: background var(--ease);
}
.ct-order__item:hover {
  background: var(--lift);
}
.ct-order__idx {
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .14em;
  color: var(--pulse);
}
.ct-order__title {
  margin: 12px 0 10px;
  font-size: var(--fs-h3);
}
.ct-order__item p {
  margin: 0 0 16px;
  color: var(--dim);
}

.ct-inline-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, .4);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}
.ct-inline-link::after {
  content: "→";
  transition: transform var(--ease);
}
.ct-inline-link:hover,
.ct-inline-link:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}
.ct-inline-link:hover::after,
.ct-inline-link:focus-visible::after {
  transform: translateX(3px);
}

/* ---------- 反馈模板 ---------- */
.ct-template {
  display: grid;
  gap: var(--ct-gap);
}
.ct-template__fields {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ct-field {
  display: grid;
  gap: 6px;
  background: var(--panel);
  padding: 16px 18px;
  transition: background var(--ease);
}
.ct-field:hover {
  background: var(--lift);
}
.ct-field__key {
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .1em;
  color: var(--sage);
}
.ct-field__val {
  margin: 0;
  color: var(--text);
}

.ct-sample {
  border: 1px solid var(--line);
  border-left: 2px solid var(--pulse);
  background: var(--lift);
  padding: clamp(18px, 2.3vw, 24px);
}
.ct-sample__head {
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .14em;
  color: var(--pulse);
}
.ct-sample__body {
  display: grid;
  gap: 9px;
  font-family: var(--font-data);
  font-size: var(--fs-note);
}
.ct-sample__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
}
.ct-sample__key {
  flex: none;
  min-width: 78px;
  color: var(--dim);
}
.ct-sample__val {
  color: var(--cyan);
  word-break: break-word;
}
.ct-sample__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-note);
  color: var(--dim);
}

/* ---------- 合作与内容 ---------- */
.ct-coop {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ct-coop__item {
  background: var(--panel);
  padding: clamp(20px, 2.5vw, 30px);
  transition: background var(--ease);
}
.ct-coop__item:hover {
  background: var(--lift);
}
.ct-coop__tag {
  font-family: var(--font-data);
  font-size: var(--fs-note);
  letter-spacing: .1em;
  color: var(--cyan);
}
.ct-coop__title {
  margin: 12px 0 10px;
  font-size: var(--fs-h3);
  line-height: 1.3;
}
.ct-coop__item p {
  margin: 0 0 14px;
  color: var(--dim);
}
.ct-coop__item p:last-child {
  margin-bottom: 0;
}

/* ---------- 渠道 ---------- */
.ct-channel-visual {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}
.ct-channel-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.ct-channel-visual figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: var(--fs-note);
  color: var(--dim);
}

.ct-channels {
  display: grid;
  gap: var(--ct-gap);
}
.ct-channel {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(20px, 2.6vw, 30px);
  transition: border-color var(--ease), background var(--ease);
}
.ct-channel:hover {
  border-color: var(--cyan);
  background: var(--lift);
}
.ct-channel--primary {
  border-color: rgba(255, 106, 26, .5);
}
.ct-channel--primary::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 54px;
  height: 2px;
  background: var(--pulse);
}
.ct-channel__name {
  margin: 14px 0 16px;
  font-size: var(--fs-h3);
}
.ct-channel__value {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: clamp(15px, 1.35vw, 20px);
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}
.ct-channel__value--addr {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  letter-spacing: .01em;
}
.ct-channel__fit {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--dim);
}

/* ---------- 归属与备案 ---------- */
.ct-region {
  display: grid;
  gap: var(--ct-gap);
}
.ct-region__text {
  display: grid;
  align-content: start;
  gap: 20px;
}
.ct-region__lead {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 1.7vw, 23px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--text);
}
.ct-region__facts {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ct-region__facts > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 16px;
  background: var(--panel);
  padding: 13px 16px;
}
.ct-region__facts dt {
  color: var(--dim);
  font-size: var(--fs-note);
}
.ct-region__facts dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-note);
  color: var(--text);
  overflow-wrap: anywhere;
}
.ct-region__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}
.ct-region__media img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
}

/* ---------- 收尾 ---------- */
.ct-outro {
  border-top: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(255, 106, 26, .12) 0%, rgba(34, 224, 255, .07) 55%, rgba(5, 7, 14, 0) 100%);
}
.ct-outro__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(28px, 4vw, 48px);
}
.ct-outro__text {
  margin: 0;
  max-width: 48ch;
  font-family: var(--font-head);
  font-size: var(--fs-h3);
  line-height: 1.4;
  letter-spacing: -.01em;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .ct-hero::after {
    display: none;
  }
  .ct-scale__marks span:nth-child(2),
  .ct-scale__marks span:nth-child(4) {
    display: none;
  }
}

@media (min-width: 640px) {
  .ct-field {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
  }
}

@media (min-width: 760px) {
  .ct-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .ct-order {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .section-head {
    grid-template-columns: 76px minmax(0, 1fr);
    column-gap: 28px;
  }
  .page-contact .section-num {
    grid-row: 1 / span 2;
  }
}

@media (min-width: 900px) {
  .ct-template {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
  .ct-region {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .ct-region__media {
    display: flex;
  }
}

@media (min-width: 940px) {
  .ct-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: end;
  }
  .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>