.page-contact {
  --ct-gap: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(8px, 2vw, 24px);
}

.page-contact .tb-section {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-contact .ct-mark {
  color: var(--cyan);
  position: relative;
  white-space: nowrap;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: clamp(20px, 3vw, 34px) 0 clamp(6px, 1.5vw, 14px);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  color: var(--ink);
}

.page-contact .ct-hero .tb-lead {
  max-width: 60ch;
}

.page-contact .ct-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 24px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .ct-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding-right: 20px;
  border-right: 1px solid var(--line-soft);
}

.page-contact .ct-hero__meta li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-contact .ct-hero__meta .tb-num {
  font-size: 21px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .ct-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 48px;
    padding: clamp(32px, 4vw, 56px) 0 clamp(12px, 2vw, 24px);
  }
}

/* ---------- 两个联系入口 ---------- */
.page-contact .ct-channels__lead {
  max-width: 62ch;
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: 28px;
}

@media (min-width: 880px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 120ms ease;
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .ct-card--phone::before {
  background: var(--orange);
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, var(--cyan-soft), transparent 58%);
  opacity: 0;
  transition: opacity 120ms ease;
  pointer-events: none;
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  border-color: var(--cyan);
}

.page-contact .ct-card:hover::after,
.page-contact .ct-card:focus-within::after {
  opacity: 1;
}

.page-contact .ct-card__head {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .ct-hours {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .ct-hours__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 209, 102, 0.16);
  flex: 0 0 auto;
}

.page-contact .ct-card__value {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1.24;
}

.page-contact .ct-card--mail .ct-card__value {
  font-size: clamp(16px, 2.6vw, 25px);
}

.page-contact .ct-card--phone .ct-card__value {
  font-size: clamp(30px, 5.4vw, 46px);
}

.page-contact .ct-card__value a {
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  transition: color 120ms ease;
}

.page-contact .ct-card__value a:hover,
.page-contact .ct-card__value a:focus-visible {
  color: var(--cyan);
}

.page-contact .ct-card__desc {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-card__foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 6px;
}

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

.page-contact .ct-copy {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

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

.page-contact .ct-copy.is-copied {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--deep);
}

.page-contact .ct-copy.is-copied .ct-copy__label {
  display: none;
}

.page-contact .ct-copy.is-copied .ct-copy__done {
  display: inline;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: 24px;
}

@media (min-width: 900px) {
  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 44px;
  }
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .ct-checklist > li {
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-checklist > li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-check {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 10px;
  cursor: pointer;
  transition: background-color 120ms ease;
}

.page-contact .ct-check:hover {
  background: var(--cyan-soft);
}

.page-contact .ct-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-check__box {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--muted);
  border-radius: 2px;
  display: grid;
  place-items: center;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.page-contact .ct-check__box::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid var(--bg);
  border-bottom: 2px solid var(--bg);
  transform: rotate(-45deg) translate(1px, -1px);
  opacity: 0;
  transition: opacity 120ms ease;
}

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

.page-contact .ct-check input:checked + .ct-check__box::after {
  opacity: 1;
}

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

.page-contact .ct-check__body {
  display: grid;
  gap: 5px;
}

.page-contact .ct-check__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: color 120ms ease;
}

.page-contact .ct-check input:checked ~ .ct-check__body .ct-check__title {
  color: var(--cyan);
}

.page-contact .ct-check__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-contact .ct-prep__side .tb-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-contact .ct-prep__time {
  margin: 0;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--amber);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-prep__time strong {
  color: var(--ink);
  font-family: var(--font-mono);
}

.page-contact .ct-prep__time a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

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

/* ---------- 问题类型切换 ---------- */
.page-contact .ct-tabs {
  margin-top: 28px;
}

.page-contact .ct-tab__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-tab__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-tab__label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 9px 18px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  background: transparent;
  transition: color 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.page-contact .ct-tab__label:hover {
  color: var(--ink);
  border-color: var(--cyan);
}

.page-contact #ct-tab-1:checked ~ .ct-tab__labels .ct-tab__label[for="ct-tab-1"],
.page-contact #ct-tab-2:checked ~ .ct-tab__labels .ct-tab__label[for="ct-tab-2"],
.page-contact #ct-tab-3:checked ~ .ct-tab__labels .ct-tab__label[for="ct-tab-3"] {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-contact #ct-tab-1:focus-visible ~ .ct-tab__labels .ct-tab__label[for="ct-tab-1"],
.page-contact #ct-tab-2:focus-visible ~ .ct-tab__labels .ct-tab__label[for="ct-tab-2"],
.page-contact #ct-tab-3:focus-visible ~ .ct-tab__labels .ct-tab__label[for="ct-tab-3"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-tab__panel {
  display: none;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  padding-top: 28px;
}

.page-contact #ct-tab-1:checked ~ .ct-tab__panels .ct-tab__panel--1,
.page-contact #ct-tab-2:checked ~ .ct-tab__panels .ct-tab__panel--2,
.page-contact #ct-tab-3:checked ~ .ct-tab__panels .ct-tab__panel--3 {
  display: grid;
}

@media (min-width: 800px) {
  .page-contact .ct-tab__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
  }
}

.page-contact .ct-tab__col h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .ct-tab__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-tab__col a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .ct-tab__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ct-step;
}

.page-contact .ct-tab__steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .ct-tab__steps li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-tab__k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 3px;
}

/* ---------- 自助解决 ---------- */
.page-contact .ct-self__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

@media (min-width: 760px) {
  .page-contact .ct-self__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }
}

.page-contact .ct-self__item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
  transition: background-color 120ms ease;
}

.page-contact .ct-self__list li:last-child .ct-self__item,
.page-contact .ct-self__list li:nth-last-child(2) .ct-self__item {
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 760px) {
  .page-contact .ct-self__list li:nth-last-child(2) .ct-self__item {
    border-bottom: 1px solid var(--line-soft);
  }
}

.page-contact .ct-self__item:hover {
  background: var(--cyan-soft);
}

.page-contact .ct-self__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color 120ms ease;
}

.page-contact .ct-self__item:hover .ct-self__q,
.page-contact .ct-self__item:focus-visible .ct-self__q {
  color: var(--cyan);
}

.page-contact .ct-self__a {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-self__more {
  margin: 30px 0 0;
}

/* ---------- 底部信息带 ---------- */
.page-contact .ct-strip {
  margin-top: clamp(36px, 6vw, 68px);
  padding: clamp(24px, 4vw, 40px) 0;
  background: var(--deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-strip__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 760px) {
  .page-contact .ct-strip__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }
}

.page-contact .ct-strip__k {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .ct-strip__v {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-strip__v--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-card::after,
  .page-contact .ct-check,
  .page-contact .ct-check__box,
  .page-contact .ct-tab__label,
  .page-contact .ct-self__item {
    transition: none;
  }
}