.page-contact {
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 64px;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* 面包屑 */
.page-contact .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cool);
}
.page-contact .crumb a {
  color: var(--cool);
  text-decoration: none;
}
.page-contact .crumb a:hover {
  color: var(--lime);
}
.page-contact .crumb__sep {
  color: var(--pitch);
}
.page-contact .crumb__now {
  color: var(--paper);
}

/* 首屏 */
.page-contact .c-hero {
  padding: 24px 0 36px;
}
.page-contact .c-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .c-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cool);
}
.page-contact .c-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 22px 0 0;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--lime);
}

/* 三种类型刻度带 */
.page-contact .c-types {
  border-top: 1px solid var(--pitch);
  border-bottom: 1px solid var(--pitch);
  padding: 28px 0 30px;
}
.page-contact .c-types__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--lime);
  text-transform: uppercase;
}
.page-contact .c-types__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .c-type {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 5px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-type__no {
  grid-row: 1 / span 3;
  padding-top: 5px;
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--lime);
}
.page-contact .c-type__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-contact .c-type__who {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--orange);
}
.page-contact .c-type__need {
  margin: 3px 0 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--cool);
}

/* 表单区 */
.page-contact .c-work {
  padding: 42px 0 8px;
}
.page-contact .c-work__grid {
  display: grid;
  gap: 30px;
}
.page-contact .c-main h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .c-main__sub {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cool);
}

.page-contact .c-flow {
  margin: 0 0 24px;
  border: 1px solid var(--pitch);
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-contact .c-flow img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .c-flow figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--pitch);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cool);
}

.page-contact .c-form {
  border: 1px solid var(--pitch);
  background: var(--ink-700);
  padding: clamp(16px, 3vw, 28px);
}
.page-contact .c-field + .c-field {
  margin-top: 22px;
}
.page-contact .c-field__label {
  display: block;
  margin: 0 0 9px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--lime);
}
.page-contact .c-input,
.page-contact .c-textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  background: var(--ink-900);
  color: var(--paper);
  border: 1px solid var(--pitch);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.page-contact .c-textarea {
  min-height: 118px;
  resize: vertical;
}
.page-contact .c-input::placeholder,
.page-contact .c-textarea::placeholder {
  color: #55635C;
}
.page-contact .c-input:focus,
.page-contact .c-textarea:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.15);
}
.page-contact .c-input:user-invalid,
.page-contact .c-textarea:user-invalid {
  border-color: var(--orange);
}
.page-contact .c-err {
  display: none;
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--orange);
}
.page-contact .c-input:user-invalid + .c-err,
.page-contact .c-textarea:user-invalid + .c-err {
  display: block;
}
.page-contact .c-hint {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--cool);
}

/* 切角类型按钮组 */
.page-contact .c-kinds {
  display: grid;
  gap: 10px;
}
.page-contact .c-kind {
  position: relative;
}
.page-contact .c-kind input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .c-kind label {
  display: block;
  padding: 11px 16px 13px;
  background: var(--ink-900);
  border: 1px solid var(--pitch);
  color: var(--cool);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 100%, 0 100%);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .c-kind label:hover {
  border-color: var(--lime);
  color: var(--paper);
}
.page-contact .c-kind input:checked + label {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-900);
}
.page-contact .c-kind input:focus-visible + label {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .c-form__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pitch);
  font-size: 14px;
  line-height: 1.78;
  color: var(--cool);
}
.page-contact .c-form__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--pitch);
}
.page-contact .c-form__note a:hover {
  border-bottom-color: var(--lime);
}

/* 右侧联系卡 */
.page-contact .c-card {
  border: 1px solid var(--pitch);
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-contact .c-card__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-900);
}
.page-contact .c-card__body {
  padding: 20px 20px 26px;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-contact .c-info {
  margin: 0;
  display: grid;
  gap: 0;
}
.page-contact .c-info__row {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-info__row:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-contact .c-info__key {
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool);
}
.page-contact .c-info__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}
.page-contact .c-info__val--num {
  font-family: var(--font-num);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--lime);
}
.page-contact .c-card__foot {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.66;
  color: var(--cool);
}

/* 处理节奏 */
.page-contact .c-steps {
  margin-top: 42px;
  padding: 32px 0 8px;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-steps__title {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--lime);
}
.page-contact .c-steps__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .c-step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-step__no {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--orange);
}
.page-contact .c-step__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-contact .c-step__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

/* 教程分流（暖纸区） */
.page-contact .c-guide {
  margin-top: 46px;
  padding: 38px 0 42px;
  background: var(--paper);
  color: var(--ink-text);
}
.page-contact .c-guide__tag {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ember);
}
.page-contact .c-guide h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-text);
}
.page-contact .c-guide p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-text);
}
.page-contact .c-guide__links {
  margin-top: 24px;
  border-top: 1px solid var(--paper-line);
}
.page-contact .c-guide__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
  text-decoration: none;
  color: var(--ink-text);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.18s var(--ease), color 0.18s var(--ease);
}
.page-contact .c-guide__link:hover {
  transform: translateX(4px);
  color: var(--ember);
}
.page-contact .c-guide__arrow {
  font-family: var(--font-num);
  color: var(--ember);
}

/* 备案与服务地区 */
.page-contact .c-id {
  padding: 36px 0 0;
}
.page-contact .c-id__inner {
  display: grid;
  gap: 24px;
}
.page-contact .c-id h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-contact .c-id__lead p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--cool);
}
.page-contact .c-id__lead a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--pitch);
}
.page-contact .c-id__lead a:hover {
  border-bottom-color: var(--lime);
}
.page-contact .c-id__list {
  margin: 0;
  border-top: 1px solid var(--pitch);
}
.page-contact .c-id__row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pitch);
}
.page-contact .c-id__row dt {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cool);
}
.page-contact .c-id__row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 13.5px;
  color: var(--lime);
  word-break: break-word;
}

/* 平板及以上 */
@media (min-width: 560px) {
  .page-contact .c-kinds {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 780px) {
  .page-contact .c-types__list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .c-type {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 4px 26px 4px 24px;
    border-top: 0;
    border-left: 1px solid var(--pitch);
  }
  .page-contact .c-type:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .page-contact .c-type__no {
    grid-row: auto;
    padding-top: 0;
  }
  .page-contact .c-step {
    grid-template-columns: 52px 1fr;
    gap: 20px;
  }
}

@media (min-width: 880px) {
  .page-contact .c-guide__inner {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 56px;
    align-items: start;
  }
  .page-contact .c-guide__links {
    margin-top: 0;
  }
  .page-contact .c-id__inner {
    grid-template-columns: 1.3fr 0.7fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .c-work__grid {
    grid-template-columns: 1.55fr 1fr;
    gap: 44px;
    align-items: start;
  }
  .page-contact .c-card {
    position: sticky;
    top: calc(var(--header-h, 96px) + 24px);
  }
}

@media (min-width: 1120px) {
  .page-contact .c-work {
    padding-top: 52px;
  }
  .page-contact .c-main__sub {
    margin-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-kind label,
  .page-contact .c-guide__link,
  .page-contact .c-input,
  .page-contact .c-textarea {
    transition: none;
  }
  .page-contact .c-guide__link:hover {
    transform: none;
  }
}
<<<END>>>