.page-contact {
  --ct-cut: 18px;
  --ct-line: rgba(14, 21, 36, .12);
  --ct-shadow: 0 22px 46px -32px rgba(16, 27, 51, .5);
  display: block;
  background: var(--mist);
  color: var(--black);
  font-family: var(--f-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(22px, 4vw, 48px) 0 clamp(52px, 7vw, 96px);
  background:
    radial-gradient(120% 88% at 86% 0%, rgba(46, 196, 182, .2) 0%, transparent 58%),
    radial-gradient(90% 70% at 6% 100%, rgba(255, 107, 53, .16) 0%, transparent 62%),
    linear-gradient(168deg, #22355d 0%, var(--ink) 40%, var(--ink-deep) 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(88% 72% at 72% 8%, #000 0%, transparent 76%);
  mask-image: radial-gradient(88% 72% at 72% 8%, #000 0%, transparent 76%);
  pointer-events: none;
}

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

.page-contact .ct-hero__frame {
  border: 1px solid var(--rule-light);
  padding: clamp(20px, 3vw, 38px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  background: rgba(255, 255, 255, .02);
}

.page-contact .ct-hero .crumb {
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-hero .crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-hero .crumb__item a {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
}

.page-contact .ct-hero .crumb__item a:hover,
.page-contact .ct-hero .crumb__item a:focus-visible {
  color: var(--orange-soft);
}

.page-contact .ct-hero .crumb__item + .crumb__item::before {
  content: "/";
  display: inline-block;
  margin: 0 8px;
  color: rgba(255, 255, 255, .3);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 52px);
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--jade);
}

.page-contact .ct-hero__title {
  margin: 0 0 20px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(36px, 7.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .ct-hero__sub {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, .76);
}

.page-contact .ct-hero__route {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-light);
  max-width: 520px;
}

.page-contact .ct-hero__route-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--rule-light);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .ct-hero__route-when {
  color: rgba(255, 255, 255, .7);
}

.page-contact .ct-hero__route-go {
  position: relative;
  padding-right: 18px;
  color: var(--orange);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.page-contact .ct-hero__route-go::after {
  content: "→";
  position: absolute;
  right: 0;
  transition: transform .24s var(--ease);
}

.page-contact .ct-hero__route-go:hover::after,
.page-contact .ct-hero__route-go:focus-visible::after {
  transform: translateX(4px);
}

.page-contact .ct-hero__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--rule-light);
  background: rgba(255, 255, 255, .03);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

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

/* ---------- 章节通用 ---------- */

.page-contact .ct-sec {
  padding: clamp(52px, 7.5vw, 100px) 0;
}

.page-contact .ct-sechead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .ct-sechead__num {
  font-family: var(--f-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-contact .ct-sechead__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .ct-sechead__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

@media (min-width: 760px) {
  .page-contact .ct-sechead {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 22px;
    align-items: start;
  }

  .page-contact .ct-sechead__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 10px;
  }

  .page-contact .ct-sechead__title,
  .page-contact .ct-sechead__desc {
    grid-column: 2;
  }
}

/* ---------- 渠道卡 ---------- */

.page-contact .ct-channels {
  background: var(--mist);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

@media (min-width: 880px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 26px;
    align-items: start;
  }
}

.page-contact .ct-chan {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--ct-line);
  box-shadow: var(--ct-shadow);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

.page-contact .ct-chan::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-contact .ct-chan--mail::before {
  background: linear-gradient(90deg, var(--jade), var(--jade-deep));
}

.page-contact .ct-chan--call::before {
  background: linear-gradient(90deg, var(--orange), var(--orange-soft));
}

.page-contact .ct-chan__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 24px clamp(18px, 3vw, 28px);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-chan__summary:focus-visible {
  outline: 2px solid var(--jade-deep);
  outline-offset: -3px;
}

.page-contact .ct-chan__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid var(--ct-line);
  border-radius: 4px;
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .ct-chan--mail .ct-chan__icon {
  color: var(--jade-deep);
  background: var(--tint-jade);
  border-color: rgba(46, 196, 182, .38);
}

.page-contact .ct-chan--call .ct-chan__icon {
  color: var(--orange);
  background: var(--tint-orange);
  border-color: rgba(255, 107, 53, .38);
}

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

.page-contact .ct-chan__name {
  font-family: var(--f-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-chan__hint {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--grey);
}

.page-contact .ct-chan__caret {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
}

.page-contact .ct-chan__caret::before,
.page-contact .ct-chan__caret::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--grey);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.page-contact .ct-chan__caret::before {
  width: 13px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-contact .ct-chan__caret::after {
  width: 2px;
  height: 13px;
  transform: translate(-50%, -50%);
}

.page-contact .ct-chan[open] .ct-chan__caret::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-contact .ct-chan__body {
  padding: 0 clamp(18px, 3vw, 28px) 26px;
}

.page-contact .ct-chan__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--black);
}

.page-contact .ct-chan__value {
  margin: 0 0 6px;
  font-family: var(--f-num);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  letter-spacing: .01em;
  word-break: break-all;
}

.page-contact .ct-chan--mail .ct-chan__value {
  color: var(--jade-deep);
}

.page-contact .ct-chan--call .ct-chan__value {
  color: var(--orange);
}

.page-contact .ct-chan__value-note {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .ct-chan__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .ct-chan__list li {
  position: relative;
  padding-left: 19px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--black);
}

.page-contact .ct-chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--orange-soft);
}

.page-contact .ct-chan--mail .ct-chan__list li::before {
  background: var(--jade);
}

.page-contact .ct-chan__meta {
  margin: 0;
  padding: 11px 14px;
  background: var(--mist);
  border-left: 3px solid var(--orange);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 地址 ---------- */

.page-contact .ct-address__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

@media (min-width: 900px) {
  .page-contact .ct-address__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 28px;
    align-items: stretch;
  }
}

.page-contact .ct-address__panel {
  position: relative;
  padding: clamp(28px, 4vw, 48px);
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .ct-address__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(90% 90% at 82% 18%, #000 0%, transparent 78%);
  mask-image: radial-gradient(90% 90% at 82% 18%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-contact .ct-address__panel > * {
  position: relative;
  z-index: 1;
}

.page-contact .ct-address__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--jade);
}

.page-contact .ct-address__line {
  margin: 0 0 18px;
  font-family: var(--f-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .ct-address__note {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .74);
}

.page-contact .ct-address__icp {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
  font-family: var(--f-num);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .58);
}

.page-contact .ct-address__side {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-address__side-item {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--jade);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .ct-address__side-k {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--jade-deep);
}

.page-contact .ct-address__side-v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 合作 ---------- */

.page-contact .ct-partner {
  background: var(--paper);
}

.page-contact .ct-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 900px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-contact .ct-partner__intro p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--black);
}

.page-contact .ct-partner__link {
  display: inline-block;
  margin-top: 6px;
  padding-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-soft);
  transition: border-color .24s var(--ease), color .24s var(--ease);
}

.page-contact .ct-partner__link:hover,
.page-contact .ct-partner__link:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

.page-contact .ct-partner__check {
  padding: clamp(20px, 3vw, 30px);
  background: var(--mist);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

.page-contact .ct-partner__checktitle {
  margin: 0 0 18px;
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--black);
}

.page-contact .ct-checklist li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: .18em;
  font-size: 12px;
  font-weight: 700;
  color: var(--jade-deep);
  background: var(--tint-jade);
  border: 1.5px solid var(--jade);
  border-radius: 3px;
}

/* ---------- 反馈 ---------- */

.page-contact .ct-feedback {
  background: var(--mist);
}

.page-contact .ct-report {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-report__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ct-line);
}

@media (min-width: 640px) {
  .page-contact .ct-report__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-contact .ct-report__k {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-contact .ct-report__v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
}

.page-contact .ct-feedback__tip {
  margin: 24px 0 0;
  padding: 14px 18px;
  background: var(--tint-orange);
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 处理流程 ---------- */

.page-contact .ct-flow {
  background: var(--paper);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 900px) {
  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, .62fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 22px;
  padding-bottom: 32px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 46px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--rule-ink), rgba(14, 21, 36, .04));
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--ink);
  box-shadow: inset 3px 0 0 var(--orange);
  color: var(--paper);
  font-family: var(--f-num);
  font-size: 16px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-contact .ct-step__body {
  padding-top: 2px;
}

.page-contact .ct-step__title {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-step__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-contact .ct-flow__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

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

@media (min-width: 900px) {
  .page-contact .ct-flow__fig {
    position: sticky;
    top: 132px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero__route-go::after,
  .page-contact .ct-chan__caret::before,
  .page-contact .ct-chan__caret::after,
  .page-contact .ct-partner__link {
    transition: none;
  }
}