.page-contact {
  padding-top: clamp(20px, 3.6vw, 44px);
  padding-bottom: clamp(56px, 9vw, 108px);
}

.page-contact .crumbs {
  margin-bottom: clamp(24px, 4vw, 48px);
}

/* ---------- 首屏：非对称双栏 ---------- */
.page-contact .hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 44px);
  align-items: start;
}

.page-contact .hero__lead {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .hero__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3.2rem, 9vw, 5.6rem);
  line-height: 0.78;
  letter-spacing: 0.02em;
  color: rgba(200, 255, 61, 0.16);
  -webkit-text-stroke: 1px rgba(200, 255, 61, 0.34);
}

.page-contact .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7.4vw, 4.4rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--c-mist);
}

.page-contact .hero__title em {
  font-style: normal;
  color: var(--c-lime);
}

.page-contact .hero-facts {
  margin: 6px 0 0;
  padding: 0;
  border-top: var(--line-strong);
}

.page-contact .hero-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(233, 241, 236, 0.08);
}

.page-contact .hero-facts dt {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gray);
  white-space: nowrap;
}

.page-contact .hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-mist);
  text-align: right;
}

/* ---------- 联系方式铭牌 ---------- */
.page-contact .plate {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(200, 255, 61, 0.45);
  background: var(--c-coal);
  box-shadow: var(--shadow-brut);
  min-width: 0;
}

.page-contact .plate__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .plate__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) brightness(0.72);
}

.page-contact .plate__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(233, 241, 236, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 241, 236, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-contact .plate__body {
  position: relative;
  z-index: 2;
  padding: clamp(20px, 3.6vw, 34px);
}

.page-contact .plate__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: var(--line-strong);
}

.page-contact .plate__title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-contact .plate__meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--c-gray);
}

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

.page-contact .plate__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(233, 241, 236, 0.1);
}

.page-contact .plate__key {
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-contact .plate__val {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 3.6vw, 1.06rem);
  line-height: 1.5;
  color: var(--c-mist);
  overflow-wrap: anywhere;
  min-width: 0;
}

.page-contact .plate__val--lime {
  color: var(--c-lime);
  font-size: clamp(0.98rem, 4.2vw, 1.18rem);
  letter-spacing: 0.01em;
}

.page-contact .plate__val--addr {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(233, 241, 236, 0.86);
  overflow-wrap: break-word;
}

.page-contact .plate__val--icp {
  color: var(--c-steel);
  letter-spacing: 0.04em;
}

.page-contact .plate__note {
  margin: 18px 0 0;
  padding-left: 13px;
  border-left: 1px solid rgba(255, 179, 64, 0.55);
  font-size: 0.75rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--c-gray);
}

/* ---------- 邮件标题规范 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 40px);
  align-items: start;
}

.page-contact .mail-spec {
  min-width: 0;
}

.page-contact .mail-svg {
  display: block;
  width: 100%;
  height: auto;
  background: var(--c-coal);
  border: 1px solid rgba(200, 255, 61, 0.28);
  margin-bottom: 20px;
}

.page-contact .mail-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ms;
}

.page-contact .mail-steps li {
  counter-increment: ms;
  position: relative;
  padding: 13px 0 13px 44px;
  border-top: 1px solid rgba(233, 241, 236, 0.1);
}

.page-contact .mail-steps li::before {
  content: "0" counter(ms);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

.page-contact .mail-steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-mist);
}

.page-contact .mail-steps span {
  display: block;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--c-gray);
  font-weight: 300;
}

.page-contact .mail-figure {
  margin: 0;
  min-width: 0;
}

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

/* ---------- 反馈类型 ---------- */
.page-contact .filter-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-gray);
  border: var(--line);
  padding: 5px 10px;
  white-space: nowrap;
}

.page-contact .fb-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .fb-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(16px, 2.6vw, 22px);
  border: var(--line);
  background: linear-gradient(180deg, rgba(14, 46, 60, 0.52), rgba(11, 15, 16, 0.24));
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .fb-item::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 15px;
  height: 15px;
  border-right: 1px solid rgba(200, 255, 61, 0.5);
  border-bottom: 1px solid rgba(200, 255, 61, 0.5);
  pointer-events: none;
}

.page-contact .fb-item:hover {
  border-color: rgba(233, 241, 236, 0.3);
}

.page-contact .fb-item__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-amber);
  padding-top: 4px;
}

.page-contact .fb-item__body {
  min-width: 0;
}

.page-contact .fb-item__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--c-mist);
}

.page-contact .fb-item__desc {
  margin: 0 0 10px;
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(233, 241, 236, 0.78);
}

.page-contact .fb-item__give {
  margin: 0;
  font-size: 0.77rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .fb-item__give span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--c-steel);
}

.page-contact .fb-item__link {
  margin: 14px 0 0;
}

.page-contact .fb-item__link a {
  font-size: 0.78rem;
  color: var(--c-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 201, 194, 0.42);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .fb-item__link a:hover,
.page-contact .fb-item__link a:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

/* ---------- 服务时间与边界 ---------- */
.page-contact .service {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 48px);
  padding: clamp(20px, 3.4vw, 36px);
  border: var(--line-strong);
  border-left: 3px solid var(--c-amber);
  background: linear-gradient(118deg, rgba(255, 179, 64, 0.08), rgba(11, 15, 16, 0) 58%);
}

.page-contact .service__head {
  min-width: 0;
}

.page-contact .service__head .section-title {
  margin-bottom: 12px;
}

.page-contact .service__list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-contact .service__list li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-top: 1px solid rgba(233, 241, 236, 0.12);
}

.page-contact .service__list li:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .service__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 1px;
  background: var(--c-amber);
}

.page-contact .service__list li:first-child::before {
  top: 12px;
}

.page-contact .service__list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-mist);
}

.page-contact .service__list span {
  display: block;
  font-size: 0.83rem;
  font-weight: 300;
  line-height: 1.78;
  color: var(--c-gray);
}

/* ---------- 备案与条款 ---------- */
.page-contact .legal-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(18px, 3vw, 28px);
  border: var(--line);
  background: rgba(11, 15, 16, 0.5);
}

.page-contact .legal-strip__icp {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-contact .legal-strip__key {
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-contact .legal-strip__val {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 3.6vw, 1.06rem);
  letter-spacing: 0.04em;
  color: var(--c-steel);
  overflow-wrap: anywhere;
}

.page-contact .legal-strip__note {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 300;
  line-height: 1.82;
  color: var(--c-gray);
  max-width: 62ch;
}

.page-contact .legal-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .legal-links a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px dashed rgba(233, 241, 236, 0.24);
  font-size: 0.78rem;
  color: var(--c-teal);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .legal-links a:hover,
.page-contact .legal-links a:focus-visible {
  color: var(--c-lime);
  border-color: rgba(200, 255, 61, 0.6);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .plate__row {
    grid-template-columns: 106px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .legal-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .fb-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .service {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .legal-strip {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr) auto;
    align-items: center;
    gap: 26px;
  }
}

@media (min-width: 1000px) {
  .page-contact .hero {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(32px, 4vw, 68px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-item,
  .page-contact .fb-item__link a,
  .page-contact .legal-links a {
    transition: none;
  }
}