.page-contact {
  --pc-cut: 24px;
  --pc-pad: clamp(40px, 6vw, 78px);
  display: block;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 20px 4px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

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

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(16px, 3vw, 30px) clamp(42px, 7vw, 92px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -16%;
  right: -18%;
  width: min(680px, 86%);
  height: 520px;
  background:
    radial-gradient(circle at 68% 32%, rgba(53, 214, 196, 0.16), transparent 62%),
    radial-gradient(circle at 24% 78%, rgba(255, 194, 75, 0.1), transparent 58%),
    repeating-linear-gradient(115deg, rgba(37, 68, 95, 0.45) 0 1px, transparent 1px 22px);
  transform: skewY(-6deg);
  pointer-events: none;
  opacity: 0.85;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(30px, 4.5vw, 58px);
}

.page-contact .contact-h1 {
  margin: 14px 0 18px;
  max-width: 21ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.8vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .contact-hero__intro {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* 渠道列表 */
.page-contact .channels {
  display: grid;
}

.page-contact .channel {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.page-contact .channel:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height 0.3s var(--ease);
}
.page-contact .channel:hover::before,
.page-contact .channel:focus-visible::before {
  height: 100%;
}
.page-contact .channel:hover {
  background: rgba(16, 43, 69, 0.55);
  padding-left: 16px;
}
.page-contact .channel__label {
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .channel__value {
  font-family: var(--font-numeric);
  font-weight: 600;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .channel--mail .channel__value {
  font-size: clamp(17px, 2.9vw, 27px);
  color: var(--amber);
}
.page-contact .channel__note {
  max-width: 48ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 首屏侧图与响应时段卡 */
.page-contact .contact-hero__aside {
  position: relative;
}
.page-contact .hero-figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}
.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
  opacity: 0.92;
}
.page-contact .hours-card {
  position: relative;
  margin: -36px 0 0 clamp(0px, 4vw, 42px);
  max-width: 300px;
  padding: 18px 22px 20px;
  background: var(--card);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}
.page-contact .hours-card__label {
  margin: 0 0 6px;
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}
.page-contact .hours-card__time {
  margin: 0 0 8px;
  font-family: var(--font-numeric);
  font-weight: 600;
  font-size: 22px;
  color: var(--paper);
}
.page-contact .hours-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 通用章节 */
.page-contact .section {
  position: relative;
  padding-block: var(--pc-pad);
}
.page-contact .section__head {
  max-width: 660px;
  margin-bottom: clamp(24px, 3.2vw, 44px);
}
.page-contact .section__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .section__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* 咨询类型 */
.page-contact .topics {
  display: grid;
}
.page-contact .topic {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.page-contact .topic:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .topic__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.page-contact .topic__index {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-contact .topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 600;
  color: var(--paper);
}
.page-contact .topic__body {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* 咨询准备 */
.page-contact .prep-grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}
.page-contact .prep {
  border-top: 1px solid var(--line);
}
.page-contact .prep__item {
  border-bottom: 1px solid var(--line);
}
.page-contact .prep__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 4px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 600;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}
.page-contact .prep__summary::-webkit-details-marker {
  display: none;
}
.page-contact .prep__summary:hover,
.page-contact .prep__summary:focus-visible {
  color: var(--cyan);
}
.page-contact .prep__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-numeric);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}
.page-contact .prep__item[open] .prep__summary::after {
  content: "\2013";
}
.page-contact .prep__index {
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-contact .prep__body {
  margin: 0;
  padding: 0 4px 20px 36px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* 合作联络 */
.page-contact .collab {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(152deg, var(--card) 0%, var(--ink-2) 64%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}
.page-contact .collab__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.7vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--paper);
}
.page-contact .collab__lead {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .collab__list {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.page-contact .collab__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--chalk);
}
.page-contact .collab__list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--flame);
  transform: rotate(45deg);
}
.page-contact .collab__aside {
  display: grid;
  align-content: start;
  gap: 2px;
}
.page-contact .collab__aside-label {
  margin: 0 0 10px;
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-contact .collab__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.page-contact .collab__stat-num {
  font-family: var(--font-numeric);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1;
  color: var(--amber);
}
.page-contact .collab__stat-note {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* 响应流程 */
.page-contact .flow__head {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(26px, 4vw, 46px);
}
.page-contact .flow__head .section__head {
  margin-bottom: 0;
}
.page-contact .flow__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}
.page-contact .flow__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.68);
  opacity: 0.9;
}
.page-contact .steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .step {
  position: relative;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}
.page-contact .step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}
.page-contact .step__index {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}
.page-contact .step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .step__body {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--mist);
}

/* 地址与服务说明 */
.page-contact .address-grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}
.page-contact .address-card {
  position: relative;
  padding: clamp(24px, 3.4vw, 36px);
  background:
    radial-gradient(circle at 88% 10%, rgba(53, 214, 196, 0.14), transparent 55%),
    var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}
.page-contact .address-card__line {
  margin: 12px 0 10px;
  font-family: var(--font-editorial);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}
.page-contact .address-card__meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .note-block {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.page-contact .note-block__title {
  margin: 10px 0 16px;
  font-family: var(--font-editorial);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}
.page-contact .note-block p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .note-block a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 196, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .note-block a:hover,
.page-contact .note-block a:focus-visible {
  color: var(--cyan-neon);
  border-bottom-color: var(--cyan-neon);
}

/* 响应式 */
@media (min-width: 780px) {
  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 26px);
  }
}

@media (min-width: 860px) {
  .page-contact .topic {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 0 clamp(24px, 4vw, 64px);
    padding: 26px 0;
  }
  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
  .page-contact .prep-grid .section__head {
    margin-bottom: 0;
  }
  .page-contact .flow__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }
  .page-contact .address-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact .collab {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
  .page-contact .collab__aside {
    padding-left: clamp(20px, 3vw, 34px);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}