/* ===== 反馈通道 / page-contact ===== */
.page-contact {
  --pc-shadow: 6px 6px 0 var(--orange);
  --pc-shadow-sm: 4px 4px 0 var(--orange);
  --pc-fade: rgba(248, 250, 252, .75);
  --pc-fade-soft: rgba(248, 250, 252, .62);
  --pc-hair: rgba(248, 250, 252, .16);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact a {
  color: inherit;
}

/* --- 面包屑 --- */
.page-contact__crumbs {
  padding: clamp(22px, 4vw, 42px) 0 clamp(8px, 2vw, 16px);
}

.page-contact__crumbs .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--sand);
}

.page-contact__crumbs .breadcrumb a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-contact__crumbs .breadcrumb a:hover,
.page-contact__crumbs .breadcrumb a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact__crumbs .breadcrumb__sep {
  color: rgba(244, 231, 211, .45);
}

/* --- 首屏 --- */
.page-contact__hero {
  padding-top: clamp(20px, 3.5vw, 44px);
  padding-bottom: clamp(40px, 6vw, 78px);
}

.page-contact__hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  align-items: start;
}

.page-contact__hero-main {
  min-width: 0;
}

.page-contact .eyebrow {
  display: inline-block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--data);
}

.page-contact h1 {
  position: relative;
  margin: 20px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(33px, 6vw, 68px);
  line-height: 1.06;
  letter-spacing: .012em;
  color: var(--white);
}

.page-contact h1::before {
  content: "";
  display: block;
  width: 76px;
  height: 8px;
  margin-bottom: 24px;
  background: var(--orange);
  box-shadow: 12px 0 0 var(--teal);
}

.page-contact__lead {
  max-width: 56ch;
  margin: 24px 0 0;
  font-size: clamp(16px, 1.55vw, 18.5px);
  line-height: 1.8;
  color: var(--pc-fade);
}

.page-contact__quicklist {
  display: grid;
  gap: 10px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact__quicklist li {
  padding: 14px 16px;
  border: 2px solid var(--teal);
  background: rgba(11, 59, 58, .42);
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--pc-fade-soft);
}

.page-contact__quicklist .mono {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-contact__hero-side {
  min-width: 0;
}

.page-contact__hero-shot {
  margin: 0;
  border: var(--frame) solid var(--teal);
  box-shadow: var(--pc-shadow);
}

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

/* --- 章节标题 --- */
.page-contact__section {
  padding-top: clamp(44px, 6.5vw, 92px);
}

.page-contact__head {
  max-width: 780px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact__head--compact {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact__num {
  display: inline-block;
  margin-bottom: 16px;
  padding: 3px 11px;
  border: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-contact__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.14;
  letter-spacing: .012em;
  color: var(--white);
}

.page-contact__head-text {
  margin: 16px 0 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--pc-fade-soft);
}

.page-contact__head-text a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 155, 214, .5);
  transition: color .18s ease, border-color .18s ease;
}

.page-contact__head-text a:hover,
.page-contact__head-text a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* --- 反馈分类：标签页 --- */
.page-contact__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 3px solid var(--teal);
}

.page-contact__tabs .tabs__tab {
  padding: 11px 17px;
  border: 2px solid var(--teal);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.page-contact__tabs .tabs__tab:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact__tabs .tabs__tab[aria-selected="true"],
.page-contact__tabs .tabs__tab.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--brown);
  box-shadow: 4px 4px 0 rgba(28, 21, 17, .8);
}

.page-contact__tabs .tabs__tab:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.page-contact__tabs .tabs__panel {
  padding-top: 4px;
}

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

.page-contact__panel-body {
  min-width: 0;
}

.page-contact__panel-body h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.26;
  color: var(--white);
}

.page-contact__panel-body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-fade);
}

.page-contact__panel-body .btn {
  margin-top: 6px;
}

.page-contact__prep {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--cream);
  color: var(--brown);
  border: var(--frame) solid var(--brown);
  box-shadow: var(--pc-shadow);
}

.page-contact__prep-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--teal);
}

.page-contact__prep-list {
  counter-reset: prep;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact__prep-list li {
  position: relative;
  padding-left: 30px;
  counter-increment: prep;
  font-size: 15.5px;
  line-height: 1.66;
  color: var(--brown);
}

.page-contact__prep-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--orange);
}

/* --- 联系方式 + 处理流程 --- */
.page-contact__split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact__contact-card {
  padding: clamp(22px, 3vw, 34px);
  background: var(--cream);
  color: var(--brown);
  border: var(--frame) solid var(--brown);
  box-shadow: var(--pc-shadow);
}

.page-contact__card-tag {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--teal);
}

.page-contact__contact-row {
  padding: 18px 0 4px;
  border-top: 2px solid rgba(28, 21, 17, .2);
}

.page-contact__contact-row:first-of-type {
  border-top: 0;
  padding-top: 14px;
}

.page-contact__contact-label {
  margin: 0 0 7px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-contact__contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--brown);
  overflow-wrap: anywhere;
}

.page-contact__contact-note {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(28, 21, 17, .68);
}

.page-contact__flow-wrap {
  min-width: 0;
}

.page-contact__flow-title {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  color: var(--white);
}

.page-contact__flow {
  display: grid;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-contact__flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 26px;
}

.page-contact__flow-step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 56px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange), rgba(11, 59, 58, 0));
}

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

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

.page-contact__flow-num {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 3px solid var(--orange);
  background: rgba(255, 106, 42, .08);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.page-contact__flow-step:hover .page-contact__flow-num,
.page-contact__flow-step:focus-within .page-contact__flow-num {
  transform: translate(3px, -3px);
  background: var(--orange);
  color: var(--brown);
  box-shadow: 4px 4px 0 rgba(28, 21, 17, .85);
}

.page-contact__flow-body {
  min-width: 0;
}

.page-contact__flow-body h4 {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--white);
}

.page-contact__flow-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pc-fade-soft);
}

.page-contact__flow-shot {
  margin: 0;
  border: var(--frame) solid var(--teal);
  box-shadow: var(--pc-shadow);
}

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

/* --- 适用场景 --- */
.page-contact__scope {
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact__scope-card {
  min-width: 0;
  padding: clamp(22px, 2.6vw, 30px);
  border: 3px solid var(--teal);
  background: rgba(11, 59, 58, .34);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-contact__scope-card:hover {
  transform: translate(3px, -3px);
  border-color: var(--orange);
  box-shadow: 5px 5px 0 rgba(255, 106, 42, .5);
}

.page-contact__scope-card .card__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--data);
}

.page-contact__scope-card .card__title {
  margin: 12px 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.26;
  color: var(--white);
}

.page-contact__scope-card .card__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-fade);
}

/* --- 联系信息与备案 --- */
.page-contact__legal-section {
  padding-bottom: clamp(50px, 7vw, 96px);
}

.page-contact__legal {
  display: grid;
  gap: 14px;
}

.page-contact__legal-card {
  min-width: 0;
  padding: 18px 20px;
  border: 2px solid var(--sand);
  background: rgba(201, 164, 92, .09);
}

.page-contact__legal-label {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--sand);
}

.page-contact__legal-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact__legal-foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--pc-fade-soft);
}

.page-contact__legal-foot a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 155, 214, .5);
  transition: color .18s ease, border-color .18s ease;
}

.page-contact__legal-foot a:hover,
.page-contact__legal-foot a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* --- 响应式 --- */
@media (min-width: 620px) {
  .page-contact__quicklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 840px) {
  .page-contact__panel-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact__hero-side {
    margin-top: 38px;
  }
}

@media (min-width: 1000px) {
  .page-contact__split {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  }
}

@media (min-width: 760px) {
  .page-contact__legal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact__legal-card--wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .page-contact__hero-shot,
  .page-contact__prep,
  .page-contact__contact-card,
  .page-contact__flow-shot {
    box-shadow: var(--pc-shadow-sm);
  }

  .page-contact__flow-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact__flow-num {
    width: 44px;
    height: 44px;
    font-size: 13.5px;
  }

  .page-contact__flow-step::before {
    left: 21px;
    top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-contact__scope-card:hover,
  .page-contact__flow-step:hover .page-contact__flow-num,
  .page-contact__flow-step:focus-within .page-contact__flow-num {
    transform: none;
  }
}