.page-contact {
  background: var(--ink);
  color: var(--text-on-dark);
  overflow-x: clip;
}

.page-contact .page-sec {
  padding-block: 60px;
}

.page-contact .section-index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .section-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .section-sub {
  margin: 14px 0 0;
  max-width: 48em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-on-dark-dim);
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--ink-deep);
  overflow: hidden;
}

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

.page-contact .contact-figure__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 12px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink);
  background: var(--cyan);
}

/* ---------- 01 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: calc(var(--header-h) + 30px);
  padding-bottom: 56px;
  background:
    radial-gradient(125% 95% at 84% -10%, rgba(53, 240, 208, .16), transparent 62%),
    radial-gradient(90% 80% at 6% 100%, rgba(255, 139, 61, .12), transparent 66%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 82%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  line-height: .98;
  letter-spacing: -.025em;
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
}

.page-contact .contact-hero__meta {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__figure {
  box-shadow: var(--shadow-hard-lg);
  border-color: rgba(53, 240, 208, .38);
}

/* ---------- 02 联系卡片 ---------- */
.page-contact .contact-channels {
  position: relative;
  background: linear-gradient(180deg, var(--indigo) 0%, var(--ink) 100%);
  border-top: 2px solid var(--line-dark);
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 22%, var(--orange) 22%, var(--orange) 34%, transparent 34%);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 22px;
  margin-top: 38px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 30px;
  background: rgba(9, 15, 38, .58);
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
}

.page-contact .contact-card--mail {
  border-color: rgba(53, 240, 208, .72);
  background: rgba(6, 50, 46, .42);
}

.page-contact .contact-card--phone {
  border-color: rgba(255, 139, 61, .5);
}

.page-contact .contact-card__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .contact-card__value {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .contact-card--phone .contact-card__value {
  color: var(--orange);
}

.page-contact .contact-card--addr .contact-card__value {
  font-size: 15px;
  color: var(--mist);
}

.page-contact .contact-card__desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-on-dark-dim);
}

.page-contact .contact-card__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--line-dark);
  padding-top: 16px;
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--text-on-dark);
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-card--phone .contact-card__list li::before {
  background: var(--orange);
}

/* ---------- 03 适用场景 ---------- */
.page-contact .contact-scenes {
  background: var(--mist);
  color: var(--graphite);
}

.page-contact .contact-scenes .section-index,
.page-contact .contact-prep .section-index {
  color: var(--teal);
}

.page-contact .contact-scenes .section-title,
.page-contact .contact-prep .section-title {
  color: var(--ink);
}

.page-contact .contact-scenes .section-sub,
.page-contact .contact-prep .section-sub {
  color: rgba(42, 47, 61, .84);
}

.page-contact .contact-scenes__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-scenes__tip {
  margin-top: 26px;
  padding: 18px 20px;
  background: #fff;
  border: 2px solid var(--line-light);
  border-left: 6px solid var(--cyan-deep);
  border-radius: var(--radius);
}

.page-contact .contact-scenes__tip p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .contact-scenes__tip a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .scene-item {
  padding: 18px 20px;
  background: #fff;
  border: 2px solid var(--line-light);
  border-left: 6px solid var(--indigo);
  border-radius: var(--radius);
}

.page-contact .scene-item--warm {
  border-left-color: var(--orange);
}

.page-contact .scene-item__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .scene-item__text {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 04 对接流程 ---------- */
.page-contact .contact-steps {
  background: linear-gradient(180deg, var(--indigo) 0%, #170F3A 100%);
  border-top: 2px solid var(--line-dark);
}

.page-contact .contact-steps__wrap {
  margin-top: 36px;
}

.page-contact .contact-steps__wrap .accordion__item {
  position: relative;
  margin-bottom: 14px;
  background: rgba(9, 15, 38, .55);
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
}

.page-contact .contact-steps__wrap .accordion__item:last-child {
  margin-bottom: 0;
}

.page-contact .contact-steps__wrap .accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .contact-steps__wrap .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 44px;
  padding: 18px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: #fff;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
}

.page-contact .contact-steps__wrap .accordion__trigger[aria-expanded="true"] {
  color: var(--cyan);
}

.page-contact .contact-steps__wrap .accordion__icon {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-left: auto;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .2s var(--ease-out);
}

.page-contact .contact-steps__wrap .accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(-135deg);
}

.page-contact .step-num {
  flex: 0 0 auto;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid rgba(53, 240, 208, .45);
  border-radius: var(--radius-pill);
}

.page-contact .contact-steps__wrap .accordion__panel {
  border-top: 2px solid var(--line-dark);
}

.page-contact .contact-steps__wrap .accordion__body {
  padding: 18px 18px 22px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-on-dark-dim);
}

.page-contact .contact-steps__wrap .accordion__body p {
  margin: 0 0 10px;
}

.page-contact .contact-steps__wrap .accordion__body p:last-child {
  margin-bottom: 0;
}

.page-contact .step-note {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--radius-pill);
}

.page-contact .step-faq {
  padding-left: 14px;
  border-left: 3px solid rgba(255, 139, 61, .65);
  font-size: 14px;
  color: rgba(245, 247, 252, .72);
}

/* ---------- 05 提问准备 ---------- */
.page-contact .contact-prep {
  background: var(--mist);
  color: var(--graphite);
}

.page-contact .prep-grid {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-contact .prep-item {
  padding: 20px;
  background: #fff;
  border: 2px solid var(--line-light);
  border-radius: var(--radius);
}

.page-contact .prep-item--accent {
  border-color: var(--orange);
  background: #FFF6EE;
}

.page-contact .prep-item__k {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .prep-item--accent .prep-item__k {
  color: var(--orange-deep);
}

.page-contact .prep-item__v {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 06 响应时效 ---------- */
.page-contact .contact-sla {
  background: var(--teal);
  border-top: 2px solid var(--line-dark);
}

.page-contact .sla-bar {
  margin-top: 36px;
}

.page-contact .sla-bar__track {
  position: relative;
  height: 46px;
  background: rgba(9, 15, 38, .68);
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .sla-bar__window {
  position: absolute;
  top: 0;
  left: 37.5%;
  width: 37.5%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, rgba(53, 240, 208, .9), rgba(53, 240, 208, .62));
  color: var(--ink);
  cursor: default;
  transition: background .2s var(--ease-out);
}

.page-contact .sla-bar__window:hover,
.page-contact .sla-bar__window:focus-visible {
  background: var(--cyan);
}

.page-contact .sla-bar__caption {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-contact .sla-bar__scale {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-on-dark-dim);
}

.page-contact .sla-stats {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.page-contact .sla-stat {
  padding: 22px 20px;
  background: rgba(9, 15, 38, .5);
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
}

.page-contact .sla-stat__num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
  font-size: clamp(30px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
}

.page-contact .sla-stat__unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-on-dark-dim);
}

.page-contact .sla-stat__cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-on-dark-dim);
}

.page-contact .sla-notes {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .sla-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-on-dark);
}

.page-contact .sla-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 07 区域与备案 ---------- */
.page-contact .contact-region {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-contact .contact-region__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-region__figure {
  border-color: rgba(255, 139, 61, .4);
}

.page-contact .region-facts {
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--line-dark);
}

.page-contact .region-facts__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .region-facts__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-on-dark-dim);
}

.page-contact .region-facts__v {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 尾部指路 ---------- */
.page-contact .contact-next {
  padding-block: 48px 60px;
  background: var(--ink-deep);
  border-top: 2px solid var(--line-dark);
}

.page-contact .contact-next__inner {
  display: grid;
  gap: 20px;
}

.page-contact .contact-next__lead {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

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

.page-contact .contact-next__list a {
  display: inline-block;
  min-height: 44px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 焦点态 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact [tabindex="0"]:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 520px) {
  .page-contact .contact-card {
    padding: 22px 18px 26px;
  }

  .page-contact .contact-steps__wrap .accordion__trigger {
    gap: 10px;
    padding: 16px 14px;
    font-size: 16px;
  }

  .page-contact .contact-steps__wrap .accordion__body {
    padding: 16px 14px 20px;
  }

  .page-contact .sla-bar__caption {
    font-size: 11px;
    letter-spacing: .02em;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .page-sec {
    padding-block: 76px;
  }

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

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

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 32px;
  }

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

  .page-contact .region-facts__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .page-sec {
    padding-block: 96px;
  }

  .page-contact .contact-hero {
    padding-bottom: 76px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .contact-card:nth-child(2) {
    margin-top: 36px;
  }

  .page-contact .contact-card:nth-child(3) {
    margin-top: 72px;
  }

  .page-contact .contact-scenes__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .scene-list {
    gap: 16px;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-region__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .contact-region__figure {
    margin-top: 12px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1240px) {
  .page-contact .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-steps__wrap .accordion__icon,
  .page-contact .sla-bar__window {
    transition: none;
  }
}