.page-contact {
  --contact-icon-size: 46px;
  --contact-card-pad: clamp(28px, 4vw, 44px);
  background: var(--color-bg-light);
  overflow-x: hidden;
}

/* Hero 首屏区域 */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(40px, 7vw, 80px) 0 clamp(32px, 5vw, 56px);
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.07) 0%, transparent 42%),
    var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .contact-hero__heading h1 {
  font-family: var(--font-display);
  font-size: clamp(50px, 9vw, 100px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-transform: uppercase;
  margin: 0 0 20px;
}

.page-contact .contact-hero__heading h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 6px;
  margin-top: 18px;
  background: var(--color-accent);
  transform: skewX(-32deg);
}

.page-contact .contact-hero__lead {
  max-width: 56ch;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}

.page-contact .contact-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 2px solid var(--color-gold);
  padding-left: 20px;
}

.page-contact .contact-hero__num {
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  color: var(--color-primary-muted);
}

.page-contact .contact-hero__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}

/* 联系方式与反馈表单区域 */
.page-contact .contact-primary {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(48px, 7vw, 84px);
}

.page-contact .contact-primary__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

.page-contact .contact-primary__info {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

/* 深蓝联系方式卡 */
.page-contact .contact-card {
  position: relative;
  background: var(--color-primary);
  color: #fff;
  padding: var(--contact-card-pad);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 60%);
}

.page-contact .contact-card__header {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
}

.page-contact .contact-card__index,
.page-contact .contact-form-card__index {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: var(--color-accent);
}

.page-contact .contact-card__header h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin: 0;
  color: #fff;
}

.page-contact .contact-card__intro {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.66);
}

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

.page-contact .contact-card__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-contact .contact-card__item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-contact .contact-card__icon {
  flex: 0 0 var(--contact-icon-size);
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  display: inline-grid;
  place-items: center;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.35);
}

.page-contact .contact-card__icon svg {
  width: 22px;
  height: 22px;
}

.page-contact .contact-card__content {
  min-width: 0;
  flex: 1;
  display: grid;
  gap: 5px;
}

.page-contact .contact-card__label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-contact .contact-card__value {
  font-size: 17px;
  line-height: 1.5;
  color: #fff;
  text-decoration: none;
  overflow-wrap: break-word;
  word-break: break-word;
  transition: color 0.2s ease;
}

.page-contact .contact-card__value:hover {
  color: var(--color-accent);
}

.page-contact .contact-card__value--tel {
  font-family: var(--font-display);
  font-size: 23px;
  letter-spacing: 0.04em;
  color: var(--color-gold);
}

.page-contact .contact-card__hint {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.page-contact .contact-card__tag {
  flex-shrink: 0;
  align-self: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-gold);
  padding: 6px 12px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

/* 城市天际线图片 */
.page-contact .contact-primary__photo {
  position: relative;
  margin: 0;
  box-shadow: var(--shadow-sm);
  line-height: 0;
}

.page-contact .contact-primary__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 31, 68, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 31, 68, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-contact .contact-primary__photo img {
  width: 100%;
  height: auto;
  display: block;
}

/* 反馈表单 */
.page-contact .contact-primary__form-wrap {
  min-width: 0;
}

.page-contact .contact-form-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: var(--contact-card-pad);
  box-shadow: var(--shadow-sm);
}

.page-contact .contact-form-card__header {
  display: grid;
  gap: 6px;
  margin-bottom: 28px;
}

.page-contact .contact-form-card__header h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text);
}

.page-contact .contact-form-card__intro {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-contact .contact-form {
  display: grid;
  gap: 22px;
}

.page-contact .contact-form__field {
  margin: 0;
}

.page-contact .contact-form__field label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-contact .contact-form__field input,
.page-contact .contact-form__field select,
.page-contact .contact-form__field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--color-line);
  border-radius: 0;
  padding: 12px 2px 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-form__field select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-text) 50%),
    linear-gradient(135deg, var(--color-text) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.page-contact .contact-form__field textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

.page-contact .contact-form__field input::placeholder,
.page-contact .contact-form__field textarea::placeholder {
  color: #9AA5B1;
}

.page-contact .contact-form__field input:focus,
.page-contact .contact-form__field select:focus,
.page-contact .contact-form__field textarea:focus {
  outline: none;
  border-bottom-color: var(--color-gold);
  box-shadow: 0 1px 0 var(--color-gold);
}

.page-contact .contact-form__submit {
  width: 100%;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* 访问问题处理 */
.page-contact .access-issue {
  position: relative;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    var(--color-primary);
  background-size: 40px 40px, 40px 40px, auto;
  color: #fff;
  padding-top: clamp(56px, 8vw, 88px);
  padding-bottom: clamp(56px, 8vw, 88px);
}

.page-contact .access-issue__heading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 20px;
  row-gap: 10px;
  margin-bottom: 40px;
}

.page-contact .access-issue__index {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  color: var(--color-gold);
}

.page-contact .access-issue__heading h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: 0.02em;
  margin: 0;
  color: #fff;
}

.page-contact .access-issue__heading p {
  grid-column: 1 / -1;
  max-width: 54ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .access-issue__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .access-issue__step {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 32px 28px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-contact .access-issue__step:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.page-contact .access-issue__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 50px;
  background: var(--color-accent);
}

.page-contact .access-issue__num {
  display: block;
  font-family: var(--font-display);
  font-size: 52px;
  line-height: 1;
  color: var(--color-gold);
  margin-bottom: 16px;
  opacity: 0.9;
}

.page-contact .access-issue__step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  color: #fff;
}

.page-contact .access-issue__step p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
  margin: 0;
}

.page-contact .access-issue__step a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 700;
}

.page-contact .access-issue__notice {
  margin-top: 32px;
  padding: 18px 24px;
  border: 1px dashed rgba(255, 215, 0, 0.42);
  background: rgba(255, 215, 0, 0.06);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.84);
}

/* 响应承诺 */
.page-contact .response-promise {
  background: var(--color-surface);
  padding-top: clamp(56px, 8vw, 88px);
  padding-bottom: clamp(56px, 8vw, 88px);
}

.page-contact .response-promise__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.page-contact .response-promise__index {
  display: block;
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-contact .response-promise h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin: 0 0 20px;
}

.page-contact .response-promise__lead {
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}

.page-contact .promise-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-line);
}

.page-contact .promise-stats .stat:nth-child(3) {
  grid-column: 1 / -1;
}

.page-contact .promise-stats .stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1;
  color: var(--color-primary);
}

.page-contact .promise-stats .stat:first-child .stat__number {
  color: var(--color-accent);
}

.page-contact .promise-stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.page-contact .response-promise__note {
  margin-top: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-contact .response-promise__note a {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.4);
}

.page-contact .response-promise__photo {
  position: relative;
  margin: 0;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-md);
  line-height: 0;
}

.page-contact .response-promise__photo img {
  width: 100%;
  height: auto;
  display: block;
}

/* 响应式增强 */
@media (min-width: 720px) {
  .page-contact .access-issue__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .access-issue__step:last-child {
    grid-column: 1 / -1;
  }

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

  .page-contact .promise-stats .stat:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .contact-form__submit {
    width: auto;
    justify-self: start;
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
  }

  .page-contact .contact-hero__aside {
    justify-self: end;
    max-width: 280px;
  }

  .page-contact .contact-primary__info {
    gap: 28px;
  }

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

  .page-contact .access-issue__step:last-child {
    grid-column: auto;
  }

  .page-contact .response-promise__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    gap: 64px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-primary__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
}