.page-contact {
  --ct-edge-soft: rgba(111, 180, 206, .28);
  --ct-panel-bg: #ffffff;
  --ct-line: rgba(14, 92, 124, .18);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(72% 58% at 84% 6%, var(--ct-edge-soft), transparent 62%),
    radial-gradient(46% 42% at 8% 98%, rgba(255, 106, 69, .16), transparent 70%),
    var(--ocean-950);
  color: var(--sand-100);
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .022) 0 1px, transparent 1px 42px);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .wh-crumbs ol {
  color: rgba(246, 241, 231, .6);
}

.page-contact .ct-hero .wh-crumbs a {
  color: rgba(246, 241, 231, .82);
}

.page-contact .ct-hero__eyebrow {
  color: var(--coral-500);
}

.page-contact .ct-hero__title {
  margin: 10px 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: var(--step-5);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #fff;
}

.page-contact .ct-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 62ch;
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(246, 241, 231, .84);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-hero__media {
  position: relative;
  z-index: 1;
  margin: clamp(28px, 4.4vw, 52px) 0 0;
}

.page-contact .ct-hero__media .wh-figure__cap {
  color: rgba(246, 241, 231, .66);
}

.page-contact .ct-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: clamp(18px, 2.6vw, 26px) 0 0;
  list-style: none;
  border-top: 1px solid rgba(111, 180, 206, .28);
}

.page-contact .ct-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .ct-stats__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--coral-500);
  line-height: 1.1;
}

.page-contact .ct-stats__label {
  font-size: var(--step--1);
  color: rgba(246, 241, 231, .7);
  letter-spacing: .02em;
}

/* ---------- 两栏对峙 ---------- */
.page-contact .ct-deck {
  position: relative;
  padding: clamp(40px, 7vw, 88px) 0 clamp(30px, 5vw, 60px);
  background: linear-gradient(180deg, var(--ocean-950) 0%, var(--sand-100) 32%, var(--sand-100) 100%);
}

.page-contact .ct-deck__grid {
  position: relative;
}

.page-contact .ct-deck__grid::before {
  content: "";
  position: absolute;
  top: -6%;
  bottom: -6%;
  left: -4%;
  right: -4%;
  background: linear-gradient(108deg,
    transparent 30%,
    rgba(255, 106, 69, .1) 30.4%,
    rgba(255, 106, 69, .06) 41%,
    transparent 41.6%);
  pointer-events: none;
}

.page-contact .ct-deck__aside,
.page-contact .ct-deck__main {
  position: relative;
}

.page-contact .ct-deck__main {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
  margin-top: clamp(30px, 5vw, 0px);
}

.page-contact .ct-deck__aside { margin-top: 0; }

/* 联系卡片 */
.page-contact .ct-card {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--ocean-900) 0%, var(--ocean-950) 100%);
  color: var(--sand-100);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 180, 206, .34), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-card__eyebrow {
  color: var(--coral-500);
}

.page-contact .ct-card__title {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-3);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .ct-lines {
  margin: clamp(20px, 3vw, 28px) 0 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-line {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(111, 180, 206, .24);
}

.page-contact .ct-line:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-line__key {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step--1);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ocean-300);
}

.page-contact .ct-line__val {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 0;
}

.page-contact .ct-line__addr {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-1);
  color: #fff;
  word-break: break-all;
}

.page-contact .ct-line__addr--text {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.6;
  word-break: normal;
}

.page-contact .ct-copy {
  flex: none;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 69, .6);
  background: rgba(255, 106, 69, .12);
  color: var(--coral-500);
  font-size: var(--step--1);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--speed) ease, color var(--speed) ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--coral-500);
  color: var(--ocean-950);
}

.page-contact .ct-copy.is-copied {
  background: var(--grass-500);
  border-color: var(--grass-500);
  color: #fff;
}

.page-contact .ct-line__note {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.65;
  color: rgba(246, 241, 231, .68);
}

.page-contact .ct-hours {
  margin-top: clamp(20px, 3vw, 26px);
  padding: clamp(16px, 2.4vw, 20px);
  border-radius: var(--radius);
  background: rgba(111, 180, 206, .14);
  border: 1px solid rgba(111, 180, 206, .3);
}

.page-contact .ct-hours__label {
  margin: 0;
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--ocean-300);
}

.page-contact .ct-hours__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-1);
  color: var(--coral-500);
}

.page-contact .ct-hours__note {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.6;
  color: rgba(246, 241, 231, .72);
}

.page-contact .ct-card__foot {
  margin: clamp(20px, 3vw, 26px) 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: rgba(246, 241, 231, .76);
}

.page-contact .ct-card__foot a {
  color: var(--ocean-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  position: relative;
}

.page-contact .ct-section__title {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-4);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ocean-950);
}

.page-contact .ct-section__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 合作类型切换 ---------- */
.page-contact .ct-switch {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-switch__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-switch__tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-contact .ct-switch__tab {
  flex: none;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--ct-line);
  background: rgba(255, 255, 255, .66);
  color: var(--ocean-700);
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step--1);
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--speed) ease, color var(--speed) ease, border-color var(--speed) ease;
  white-space: nowrap;
}

.page-contact .ct-switch__tab:hover {
  border-color: var(--ocean-600);
  color: var(--ocean-600);
}

.page-contact #ctp-sub:checked ~ .ct-switch__tabs .ct-switch__tab[for="ctp-sub"],
.page-contact #ctp-media:checked ~ .ct-switch__tabs .ct-switch__tab[for="ctp-media"],
.page-contact #ctp-youth:checked ~ .ct-switch__tabs .ct-switch__tab[for="ctp-youth"],
.page-contact #ctp-api:checked ~ .ct-switch__tabs .ct-switch__tab[for="ctp-api"] {
  background: var(--ocean-600);
  border-color: var(--ocean-600);
  color: #fff;
}

.page-contact .ct-switch__panel {
  display: none;
  margin-top: 16px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-lg);
  background: var(--ct-panel-bg);
  border: 1px solid var(--ct-line);
  box-shadow: var(--shadow-soft);
  animation: ct-fade .3s ease both;
}

.page-contact #ctp-sub:checked ~ .ct-switch__panels .ct-switch__panel:nth-of-type(1),
.page-contact #ctp-media:checked ~ .ct-switch__panels .ct-switch__panel:nth-of-type(2),
.page-contact #ctp-youth:checked ~ .ct-switch__panels .ct-switch__panel:nth-of-type(3),
.page-contact #ctp-api:checked ~ .ct-switch__panels .ct-switch__panel:nth-of-type(4) {
  display: block;
}

@keyframes ct-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-contact .ct-switch__name {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step-2);
  letter-spacing: .01em;
  color: var(--ocean-950);
}

.page-contact .ct-switch__who {
  margin: 12px 0 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--coral-600);
  font-weight: 500;
}

.page-contact .ct-switch__what {
  margin: 10px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-needs {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--ocean-050);
}

.page-contact .ct-needs__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step--1);
  letter-spacing: .14em;
  color: var(--ocean-600);
}

.page-contact .ct-needs__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-needs__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--step--1);
  line-height: 1.65;
  color: var(--ink-900);
}

.page-contact .ct-needs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grass-500);
}

/* ---------- 咨询流程 ---------- */
.page-contact .ct-section--process {
  padding-top: clamp(6px, 1.4vw, 16px);
}

.page-contact .ct-rail {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-contact .ct-steps {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .ct-step {
  padding: clamp(16px, 2.4vw, 20px);
  border-radius: var(--radius);
  border: 1px solid var(--ct-line);
  background: rgba(255, 255, 255, .7);
  border-left: 3px solid var(--ocean-600);
}

.page-contact .ct-step:last-child {
  border-left-color: var(--grass-500);
}

.page-contact .ct-step__no {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--coral-600);
}

.page-contact .ct-step__name {
  margin: 6px 0 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--ocean-950);
}

.page-contact .ct-step__text {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-process__media {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
}

/* ---------- 纠错与版本反馈 ---------- */
.page-contact .ct-fix {
  padding: clamp(40px, 7vw, 84px) 0;
  background: var(--sand-100);
  position: relative;
}

.page-contact .ct-fix::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(15, 20, 24, .05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(15, 20, 24, .04) 0 1px, transparent 1px 56px);
  pointer-events: none;
}

.page-contact .ct-fix__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-fix__cta {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 56ch;
}

.page-contact .ct-fix__cta a {
  color: var(--ocean-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-fix__side {
  display: grid;
  gap: 14px;
}

.page-contact .ct-fix__block {
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--radius);
  border: 1px solid rgba(14, 92, 124, .16);
}

.page-contact .ct-fix__block-title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step-0);
  letter-spacing: .02em;
  color: var(--ocean-950);
}

.page-contact .ct-fix__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-fix__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--step--1);
  line-height: 1.65;
  color: var(--ink-900);
}

.page-contact .ct-fix__mark {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--coral-500);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 22px;
  text-align: center;
}

.page-contact .ct-fix__text {
  margin: 10px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 常见合作问题 ---------- */
.page-contact .ct-faq {
  padding: clamp(40px, 7vw, 84px) 0;
  background: var(--ocean-950);
}

.page-contact .ct-faq .wh-eyebrow {
  color: var(--coral-500);
}

.page-contact .ct-faq .ct-section__title {
  color: #fff;
}

.page-contact .ct-faq .ct-section__lede {
  color: rgba(246, 241, 231, .74);
}

.page-contact .ct-faq__list {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-faq__item {
  border: 1px solid rgba(111, 180, 206, .26);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .05);
  overflow: hidden;
}

.page-contact .ct-faq__item[data-open] {
  border-color: rgba(255, 106, 69, .5);
  background: rgba(255, 106, 69, .08);
}

.page-contact .ct-faq__head {
  margin: 0;
}

.page-contact .ct-faq__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: clamp(15px, 2.2vw, 19px) clamp(16px, 2.4vw, 22px);
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step-1);
  color: #fff;
  cursor: pointer;
}

.page-contact .ct-faq__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-contact .ct-faq__icon::before,
.page-contact .ct-faq__icon::after {
  content: "";
  position: absolute;
  background: var(--ocean-300);
  transition: transform var(--speed) ease, background var(--speed) ease;
}

.page-contact .ct-faq__icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-contact .ct-faq__icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-contact .ct-faq__trigger[aria-expanded="true"] .ct-faq__icon::after {
  transform: translateY(7px) scaleY(0);
}

.page-contact .ct-faq__trigger[aria-expanded="true"] .ct-faq__icon::before {
  background: var(--coral-500);
}

.page-contact .ct-faq__panel {
  padding: 0 clamp(16px, 2.4vw, 22px) clamp(16px, 2.4vw, 20px);
}

.page-contact .ct-faq__panel p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(246, 241, 231, .8);
}

/* ---------- 服务地区与响应节奏 ---------- */
.page-contact .ct-region {
  padding: clamp(40px, 7vw, 88px) 0 clamp(44px, 7vw, 90px);
  background: linear-gradient(160deg, var(--ocean-050) 0%, var(--sand-100) 78%);
}

.page-contact .ct-region__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-region__cards {
  display: grid;
  gap: 14px;
}

.page-contact .ct-region__card {
  padding: clamp(18px, 2.6vw, 24px);
  border-left: 3px solid var(--ocean-600);
}

.page-contact .ct-region__card:nth-child(2) { border-left-color: var(--coral-500); }
.page-contact .ct-region__card:nth-child(3) { border-left-color: var(--grass-500); }

.page-contact .ct-region__label {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--ocean-600);
}

.page-contact .ct-region__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-1);
  color: var(--ocean-950);
}

.page-contact .ct-region__note {
  margin: 10px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-region__foot {
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-region__foot-text {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-2);
  color: var(--ocean-950);
}

.page-contact .ct-region__foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .ct-region__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__title {
    max-width: 22ch;
  }

  .page-contact .ct-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .ct-deck__grid {
    display: grid;
    grid-template-columns: minmax(300px, 5fr) 7fr;
    gap: clamp(32px, 4.6vw, 64px);
    align-items: start;
  }

  .page-contact .ct-deck__aside {
    position: sticky;
    top: 104px;
  }

  .page-contact .ct-deck__main {
    margin-top: 0;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-step {
    border-left: 1px solid var(--ct-line);
    border-top: 3px solid var(--ocean-600);
  }

  .page-contact .ct-step:last-child {
    border-left-color: var(--ct-line);
    border-top-color: var(--grass-500);
  }

  .page-contact .ct-fix__grid {
    grid-template-columns: 6fr 6fr;
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .ct-region__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .ct-region__foot {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-deck__grid {
    grid-template-columns: minmax(320px, 4fr) 8fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-switch__panel {
    animation: none;
  }

  .page-contact .ct-copy,
  .page-contact .ct-switch__tab,
  .page-contact .ct-faq__icon::before,
  .page-contact .ct-faq__icon::after {
    transition: none;
  }
}