.page-contact {
  --ct-gap: clamp(18px, 2.4vw, 36px);
  --ct-pad: clamp(16px, 1.8vw, 24px);
  --ct-sec-gap: clamp(48px, 7vw, 104px);
  --ct-check: #060F18;
  color: var(--body);
  font-family: var(--sans);
  min-width: 0;
  overflow-x: clip;
}

.page-contact > * {
  min-width: 0;
}

.page-contact .mono {
  font-family: var(--mono);
  letter-spacing: .04em;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: var(--ct-gap);
  padding-bottom: clamp(28px, 4vw, 56px);
  border-bottom: var(--line);
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(24px, 4vw, 64px);
  }
}

.page-contact .ct-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--note);
}

.page-contact .ct-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--headline);
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.85;
  color: var(--body);
}

.page-contact .ct-hero__status {
  padding: var(--ct-pad);
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-hero__status-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

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

.page-contact .ct-status__row {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .ct-status__row .dot {
  margin-top: .55em;
}

.page-contact .ct-status__row .mono {
  color: var(--headline);
}

.page-contact .ct-hero__status-note {
  margin: 0;
  padding-top: 14px;
  border-top: var(--line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--note);
}

/* ---------- 通用章节头 ---------- */
.page-contact .ct-sec {
  margin-top: var(--ct-sec-gap);
}

.page-contact .ct-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    "idx note";
  gap: 8px 18px;
  align-items: start;
  padding-bottom: 16px;
  margin-bottom: clamp(22px, 3vw, 38px);
  border-bottom: var(--line-strong);
}

.page-contact .ct-head__index {
  grid-area: idx;
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan);
  padding-top: .35em;
}

.page-contact .ct-head__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(21px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: -.025em;
  color: var(--headline);
}

.page-contact .ct-head__note {
  grid-area: note;
  margin: 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--note);
}

/* ---------- 01 渠道与在线时段 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 980px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "list media"
      "scale media";
    align-items: start;
  }

  .page-contact .ct-channels__col { grid-area: list; }
  .page-contact .ct-channels__scale { grid-area: scale; }
  .page-contact .ct-channels__media { grid-area: media; }
}

.page-contact .ct-channels__col {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .ct-channel {
  display: grid;
  gap: 10px;
  padding: var(--ct-pad);
  background: var(--panel);
  border: var(--line-strong);
  transition: box-shadow var(--t-fast), border-color var(--t-fast);
}

.page-contact .ct-channel:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-mid);
}

.page-contact .ct-channel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .ct-channel__key {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--note-dim);
}

.page-contact .ct-channel__val {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--headline);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.page-contact .ct-channel .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-contact .copy-btn[data-copied] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .ct-channels__scale {
  padding: var(--ct-pad);
  border: var(--line);
  background: var(--panel-2);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-scale__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--note);
}

.page-contact .ct-scale__bar {
  height: 20px;
  border: var(--line-strong);
  background-color: var(--panel);
  background-image: linear-gradient(90deg, var(--cyan) 0 1px, transparent 1px);
  background-size: calc(100% / 9) 100%;
  background-repeat: repeat-x;
  background-position: 1px 0;
}

.page-contact .ct-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--note);
}

.page-contact .ct-scale__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.85;
  color: var(--note);
}

/* ---------- 图片容器 ---------- */
.page-contact .ct-shot {
  margin: 0;
  border: var(--line-strong);
  background: var(--panel-2);
  display: grid;
  align-content: start;
}

.page-contact .ct-shot__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-contact .ct-shot__cap {
  border-top: var(--line);
  padding: 12px var(--ct-pad);
  font-size: 12px;
  line-height: 1.8;
  color: var(--note);
}

/* ---------- 02 准备清单 ---------- */
.page-contact .ct-prepare__grid {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 960px) {
  .page-contact .ct-prepare__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(24px, 3.4vw, 56px);
  }
}

.page-contact .ct-prepare__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-prepare__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-contact .ct-prepare__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body);
}

.page-contact .ct-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .ct-tips__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: var(--line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--body);
}

.page-contact .ct-tips__idx {
  font-size: 12px;
  color: var(--cyan);
  padding-top: .35em;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .ct-check {
  position: relative;
  border-bottom: var(--line);
}

.page-contact .ct-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-contact .ct-check__label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 12px 16px 4px;
  cursor: pointer;
  transition: background-color var(--t-fast);
}

.page-contact .ct-check__label:hover {
  background: var(--panel);
}

.page-contact .ct-check__box {
  position: relative;
  width: 20px;
  height: 20px;
  border: var(--line-strong);
  background: var(--panel-2);
  margin-top: .18em;
  transition: background-color var(--t-fast), border-color var(--t-fast);
}

.page-contact .ct-check__input:focus-visible + .ct-check__label .ct-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-check__input:checked + .ct-check__label .ct-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check__input:checked + .ct-check__label .ct-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 7px;
  height: 11px;
  border-right: 2px solid var(--ct-check);
  border-bottom: 2px solid var(--ct-check);
  transform: rotate(28deg);
}

.page-contact .ct-check__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .ct-check__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--headline);
  transition: color var(--t-fast);
}

.page-contact .ct-check__desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--note);
}

.page-contact .ct-check__input:checked + .ct-check__label .ct-check__title {
  color: var(--note);
  text-decoration: line-through;
  text-decoration-color: var(--note-dim);
}

/* ---------- 字段对照 ---------- */
.page-contact .ct-fields {
  margin-top: clamp(24px, 3vw, 38px);
  display: grid;
  gap: 12px;
}

.page-contact .ct-fields__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .ct-fields__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--note);
}

.page-contact .ct-fields__grid {
  display: grid;
  border-top: var(--line);
  border-left: var(--line);
  background: var(--panel-2);
}

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

.page-contact .ct-field {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px;
  border-right: var(--line);
  border-bottom: var(--line);
  min-width: 0;
}

.page-contact .ct-field__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--note);
}

.page-contact .ct-field__input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--headline);
  background: var(--field);
  border: 1px solid var(--steel);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-contact .ct-field__input::placeholder {
  font-family: var(--sans);
  letter-spacing: 0;
  color: var(--note-dim);
}

.page-contact .ct-field__input:focus {
  outline: none;
  border-color: var(--cyan);
  background: var(--panel);
}

.page-contact .ct-field__input:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .ct-field__input:not(:placeholder-shown):invalid {
  border-color: var(--amber);
}

.page-contact .ct-field__msg {
  display: none;
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--amber);
}

.page-contact .ct-field__input:not(:placeholder-shown):invalid ~ .ct-field__msg {
  display: block;
}

/* ---------- 03 问题分流 ---------- */
.page-contact .ct-router {
  position: relative;
  display: grid;
}

.page-contact .ct-router__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-contact .ct-router__tabs {
  display: flex;
  border: var(--line-strong);
  background: var(--panel-2);
  overflow-x: auto;
}

.page-contact .ct-router__tab {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-right: var(--line);
  font-size: 14px;
  color: var(--body);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--t-fast), color var(--t-fast);
}

.page-contact .ct-router__tab:last-child {
  border-right: 0;
}

.page-contact .ct-router__tab:hover {
  background: var(--panel);
}

.page-contact .ct-router__tab-idx {
  font-size: 12px;
  color: inherit;
  opacity: .65;
}

.page-contact .ct-router__radio:nth-of-type(1):checked ~ .ct-router__tabs .ct-router__tab:nth-of-type(1),
.page-contact .ct-router__radio:nth-of-type(2):checked ~ .ct-router__tabs .ct-router__tab:nth-of-type(2),
.page-contact .ct-router__radio:nth-of-type(3):checked ~ .ct-router__tabs .ct-router__tab:nth-of-type(3),
.page-contact .ct-router__radio:nth-of-type(4):checked ~ .ct-router__tabs .ct-router__tab:nth-of-type(4) {
  background: var(--cyan);
  color: var(--field);
}

.page-contact .ct-router__radio:nth-of-type(1):focus-visible ~ .ct-router__tabs .ct-router__tab:nth-of-type(1),
.page-contact .ct-router__radio:nth-of-type(2):focus-visible ~ .ct-router__tabs .ct-router__tab:nth-of-type(2),
.page-contact .ct-router__radio:nth-of-type(3):focus-visible ~ .ct-router__tabs .ct-router__tab:nth-of-type(3),
.page-contact .ct-router__radio:nth-of-type(4):focus-visible ~ .ct-router__tabs .ct-router__tab:nth-of-type(4) {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .ct-router__panels {
  border: var(--line-strong);
  border-top: 0;
  background: var(--panel);
}

.page-contact .ct-router__panel {
  display: none;
}

.page-contact .ct-router__radio:nth-of-type(1):checked ~ .ct-router__panels .ct-router__panel:nth-of-type(1),
.page-contact .ct-router__radio:nth-of-type(2):checked ~ .ct-router__panels .ct-router__panel:nth-of-type(2),
.page-contact .ct-router__radio:nth-of-type(3):checked ~ .ct-router__panels .ct-router__panel:nth-of-type(3),
.page-contact .ct-router__radio:nth-of-type(4):checked ~ .ct-router__panels .ct-router__panel:nth-of-type(4) {
  display: block;
}

.page-contact .ct-route {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 2.4vw, 32px);
}

@media (min-width: 760px) {
  .page-contact .ct-route {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px 40px;
  }
}

.page-contact .ct-route__body {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .ct-route__case {
  margin: 0;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.75;
  color: var(--headline);
}

.page-contact .ct-route__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-route__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.page-contact .ct-route__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
}

.page-contact .ct-route__cta {
  justify-self: start;
}

/* ---------- 04 渠道边界与信息条 ---------- */
.page-contact .ct-bounds {
  border-top: var(--line-strong);
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-contact .ct-bound {
  display: grid;
  grid-template-columns: minmax(0, 96px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: var(--line);
}

@media (min-width: 760px) {
  .page-contact .ct-bound {
    grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
    gap: 28px;
  }
}

.page-contact .ct-bound__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--violet);
  padding-top: .4em;
}

.page-contact .ct-bound__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.page-contact .ct-infobar {
  display: grid;
  border: var(--line-strong);
  background: var(--panel);
}

@media (min-width: 900px) {
  .page-contact .ct-infobar {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

.page-contact .ct-infobar__media {
  margin: 0;
  position: relative;
  display: grid;
  overflow: hidden;
  min-height: 200px;
  border-bottom: var(--line);
  background: var(--panel-2);
}

@media (min-width: 900px) {
  .page-contact .ct-infobar__media {
    border-bottom: 0;
    border-right: var(--line);
  }
}

.page-contact .ct-infobar__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-contact .ct-infobar__body {
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .ct-infobar__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--note);
}

.page-contact .ct-infobar__addr {
  margin: 0;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.5;
  color: var(--headline);
}

.page-contact .ct-infobar__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--note);
}

.page-contact .ct-infobar__icp {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: var(--line);
  font-size: 12.5px;
  color: var(--cyan);
}

.page-contact .ct-infobar__legal {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--body);
}

.page-contact .ct-infobar__legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
  transition: border-color var(--t-fast);
}

.page-contact .ct-infobar__legal a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
  }
}
</main>