.page-contact {
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
}

.page-contact .ct-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--graphite);
  margin: 12px 0 14px;
}

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

.page-contact .ct-lede {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(31, 35, 40, 0.78);
  margin: 0;
  max-width: 68ch;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
  padding: 10px 0;
}

.page-contact .ct-crumb .hb-crumbs__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  text-decoration: none;
}

.page-contact .ct-crumb .hb-crumbs__link:hover {
  color: var(--paper);
}

.page-contact .ct-crumb .hb-crumbs__link[aria-current="page"] {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(36px, 5.5vw, 72px);
  border-bottom: 3px solid var(--amber);
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-contact .ct-hero__head {
  max-width: 780px;
}

.page-contact .ct-hero .hb-eyebrow {
  color: var(--amber);
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper-white);
  margin: 12px 0 14px;
}

.page-contact .ct-hero__lede {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
  margin: 0;
  max-width: 64ch;
}

.page-contact .ct-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-contact .ct-index__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 11px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.page-contact .ct-index__link:hover,
.page-contact .ct-index__link[aria-current] {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-contact .ct-hero__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(24px, 4vw, 40px);
}

/* ---------- 反馈登记 ---------- */
.page-contact .ct-form {
  background: var(--ink-panel);
  border: 2px solid var(--line-dark);
  border-left: 6px solid var(--amber);
  border-radius: 2px;
  padding: clamp(16px, 3vw, 28px);
  box-shadow: 10px 10px 0 rgba(217, 154, 43, 0.16);
}

.page-contact .ct-form__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 24px);
  color: var(--paper-white);
  margin: 0 0 6px;
}

.page-contact .ct-form__sub {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0 0 18px;
}

.page-contact .ct-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.page-contact .ct-cat {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 10px;
  align-items: baseline;
  padding: 11px 13px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  background: rgba(242, 232, 216, 0.04);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.page-contact .ct-cat:hover {
  border-color: var(--amber);
}

.page-contact .ct-cat__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .ct-cat__index {
  grid-column: 1;
  grid-row: 1;
  font-size: 11.5px;
  color: var(--slate);
}

.page-contact .ct-cat__name {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper-white);
}

.page-contact .ct-cat__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-contact .ct-cat:has(.ct-cat__input:checked) {
  background: rgba(217, 154, 43, 0.14);
  border-color: var(--amber);
}

.page-contact .ct-cat:has(.ct-cat__input:checked) .ct-cat__index {
  color: var(--amber);
}

.page-contact .ct-cat:has(.ct-cat__input:focus-visible) {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .ct-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-field {
  margin-bottom: 12px;
}

.page-contact .ct-field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--text-soft);
  margin-bottom: 5px;
}

.page-contact .ct-field__input,
.page-contact .ct-field__area {
  display: block;
  width: 100%;
  box-sizing: border-box;
  background: var(--paper-white);
  color: var(--graphite);
  border: 2px solid transparent;
  border-radius: 2px;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .ct-field__area {
  min-height: 96px;
  resize: vertical;
}

.page-contact .ct-field__input::placeholder,
.page-contact .ct-field__area::placeholder {
  color: rgba(31, 35, 40, 0.45);
}

.page-contact .ct-field__input:focus,
.page-contact .ct-field__area:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(217, 154, 43, 0.25);
}

.page-contact .ct-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .ct-form__submit {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border: 2px solid var(--amber);
  border-radius: 2px;
  background: var(--amber);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.38);
  transition: transform 0.15s, box-shadow 0.15s;
}

.page-contact .ct-form__submit:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.38);
}

.page-contact .ct-form__submit:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.38);
}

.page-contact .ct-form__aside {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0;
  flex: 1 1 200px;
}

.page-contact .ct-form__status {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--celadon);
  background: rgba(95, 143, 124, 0.14);
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .ct-priv {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .ct-priv__summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-contact .ct-priv__summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-priv__summary::before {
  content: "+ ";
}

.page-contact .ct-priv[open] .ct-priv__summary::before {
  content: "− ";
}

.page-contact .ct-priv__body {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .ct-priv__body a {
  color: var(--paper-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 右侧说明与图 ---------- */
.page-contact .ct-hero__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-frame {
  margin: 0;
  border: 2px solid var(--line-dark);
  border-radius: 2px;
  background: var(--ink-panel);
  padding: 8px;
}

.page-contact .ct-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-frame__cap {
  margin: 9px 2px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.page-contact .ct-note {
  border: 2px solid var(--line-dark);
  border-top: 4px solid var(--celadon);
  border-radius: 2px;
  padding: 14px 16px;
  background: rgba(95, 143, 124, 0.08);
}

.page-contact .ct-note__k {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

.page-contact .ct-note__v {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 人工通道 ---------- */
.page-contact .ct-channels {
  background: var(--paper);
  padding: var(--section-y) 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .ct-channels__head {
  max-width: 740px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-channels .hb-eyebrow,
.page-contact .ct-address .hb-eyebrow,
.page-contact .ct-coop .hb-eyebrow {
  color: var(--celadon);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .ct-channel {
  background: var(--paper-white);
  border: 2px solid var(--graphite);
  border-top: 6px solid var(--celadon);
  border-radius: 2px;
  padding: 18px;
  box-shadow: 6px 6px 0 var(--grid);
}

.page-contact .ct-channel:nth-child(2) {
  border-top-color: var(--amber);
}

.page-contact .ct-channel:nth-child(3) {
  border-top-color: var(--cinnabar);
}

.page-contact .ct-channel__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .ct-channel__value {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--graphite);
  word-break: break-all;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(31, 35, 40, 0.72);
}

/* ---------- 地址 ---------- */
.page-contact .ct-address {
  background: var(--paper-white);
  border-top: 3px solid var(--graphite);
  padding: var(--section-y) 0;
}

.page-contact .ct-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 44px);
  align-items: start;
}

.page-contact .ct-addr {
  display: block;
  margin: 20px 0 16px;
  padding: 14px 0 14px 18px;
  border-left: 4px solid var(--amber);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .ct-addr__line {
  display: block;
}

.page-contact .ct-address__foot {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(31, 35, 40, 0.7);
  max-width: 56ch;
}

.page-contact .ct-frame--address {
  border-color: var(--graphite);
  background: var(--paper);
}

.page-contact .ct-frame--address .ct-frame__cap {
  color: rgba(31, 35, 40, 0.6);
}

/* ---------- 分流 ---------- */
.page-contact .ct-route {
  background: var(--ink);
  color: var(--paper);
  padding: var(--section-y) 0;
}

.page-contact .ct-route .hb-eyebrow {
  color: var(--amber);
}

.page-contact .ct-route__head {
  max-width: 700px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-route__lede {
  margin: 0;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-route__item {
  display: block;
  text-decoration: none;
  color: var(--paper);
  background: rgba(242, 232, 216, 0.04);
  border: 1px solid var(--line-dark);
  border-left: 5px solid var(--amber);
  border-radius: 2px;
  padding: 16px 18px;
  transition: background 0.2s, transform 0.2s;
}

.page-contact .ct-route__item:hover {
  background: rgba(242, 232, 216, 0.09);
  transform: translateX(2px);
}

.page-contact .ct-route__item--celadon {
  border-left-color: var(--celadon);
}

.page-contact .ct-route__item--amber {
  border-left-color: var(--amber);
}

.page-contact .ct-route__item--cinnabar {
  border-left-color: var(--cinnabar);
}

.page-contact .ct-route__item--slate {
  border-left-color: var(--slate);
}

.page-contact .ct-route__tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.page-contact .ct-route__item h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper-white);
  margin: 0 0 8px;
}

.page-contact .ct-route__item p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-route__go {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-contact .ct-route__go::after {
  content: " →";
}

/* ---------- 合作与培训 ---------- */
.page-contact .ct-coop {
  background: var(--paper);
  padding: var(--section-y) 0;
}

.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: start;
}

.page-contact .ct-coop__list {
  list-style: none;
  margin: 22px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-coop__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(31, 35, 40, 0.82);
}

.page-contact .ct-coop__num {
  font-size: 12px;
  color: var(--celadon);
}

.page-contact .ct-coop__note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(31, 35, 40, 0.72);
  max-width: 60ch;
}

.page-contact .ct-btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--paper-white);
  background: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 2px;
  padding: 12px 22px;
  box-shadow: 5px 5px 0 var(--grid);
  transition: transform 0.15s, box-shadow 0.15s;
}

.page-contact .ct-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 7px 7px 0 var(--grid);
}

.page-contact .ct-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--grid);
}

.page-contact .ct-coop__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-contact .ct-stat {
  background: var(--paper-white);
  border: 2px solid var(--graphite);
  border-radius: 2px;
  padding: 16px 14px;
  box-shadow: 5px 5px 0 var(--grid);
}

.page-contact .ct-stat--wide {
  grid-column: 1 / -1;
  border-left: 6px solid var(--celadon);
}

.page-contact .ct-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1;
  color: var(--graphite);
}

.page-contact .ct-stat__unit {
  margin-left: 4px;
  font-size: 13px;
  color: rgba(31, 35, 40, 0.62);
}

.page-contact .ct-stat__desc {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(31, 35, 40, 0.68);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .ct-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .ct-row .ct-field {
    margin-bottom: 12px;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-route__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }

  .page-contact .ct-address__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-route__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-index__link,
  .page-contact .ct-cat,
  .page-contact .ct-route__item,
  .page-contact .ct-btn,
  .page-contact .ct-form__submit {
    transition: none;
  }

  .page-contact .ct-route__item:hover,
  .page-contact .ct-btn:hover,
  .page-contact .ct-form__submit:hover {
    transform: none;
  }
}
<<<END>>>