.page-contact {
  background: var(--ink);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 34px;
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(43, 54, 65, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 54, 65, 0.6) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  opacity: 0.75;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .crumbs {
  margin-bottom: 26px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  color: var(--white);
}

.page-contact .contact-hero .lead {
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__mark svg {
  display: block;
  width: 100%;
  max-width: 190px;
  margin-left: auto;
  aspect-ratio: 1 / 1;
}

.page-contact .contact-hero__mark line {
  stroke: var(--grid);
  stroke-width: 1;
}

.page-contact .contact-hero__mark line:nth-child(2) {
  stroke: var(--neon);
  opacity: 0.55;
}

.page-contact .contact-hero__mark circle {
  fill: var(--neon);
}

/* ---------- 流程示意 ---------- */
.page-contact .contact-flow {
  padding: 32px 0 0;
}

.page-contact .contact-flow__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 16 / 9;
}

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

@media (min-width: 720px) {
  .page-contact .contact-flow__figure {
    aspect-ratio: 2 / 1;
  }
}

/* ---------- 渠道分流 ---------- */
.page-contact .contact-routing {
  padding: 56px 0 0;
}

.page-contact .contact-routing__head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-contact .contact-routing__head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
  color: var(--white);
}

.page-contact .contact-routing__sub {
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-routing__split {
  display: grid;
  gap: 18px;
}

.page-contact .contact-routing__channels {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .contact-routing__detail {
  display: grid;
  gap: 16px;
}

@media (min-width: 960px) {
  .page-contact .contact-routing__split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
}

/* 渠道卡 */
.page-contact .channel-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc";
  align-items: baseline;
  column-gap: 14px;
  row-gap: 6px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  text-align: left;
  font: inherit;
  color: var(--white);
  background: var(--ink-2);
  border: 1px solid var(--grid);
  border-left: 4px solid var(--grid);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

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

.page-contact .channel-card[aria-selected="true"] {
  border-left-color: var(--neon);
  background: #11160c;
}

.page-contact .channel-card__num {
  grid-area: num;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-contact .channel-card[aria-selected="true"] .channel-card__num {
  color: var(--neon);
}

.page-contact .channel-card__name {
  grid-area: name;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.3;
}

.page-contact .channel-card__desc {
  grid-area: desc;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--silver);
}

@media (hover: hover) and (min-width: 960px) {
  .page-contact .channel-card:hover {
    border-color: var(--silver);
    transform: translateX(2px);
  }

  .page-contact .channel-card[aria-selected="true"]:hover {
    border-left-color: var(--neon);
  }
}

/* 渠道面板 */
.page-contact .channel-panel {
  padding: 22px 20px 24px;
  background: linear-gradient(180deg, #101514 0%, var(--ink) 100%);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
}

.page-contact .channel-panel__who {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grid);
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .channel-panel__who a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-panel__who b {
  font-weight: 500;
  color: var(--neon);
}

.page-contact .channel-panel__who-key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .channel-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--white);
}

/* 清单 */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 30px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--ink);
  border: 1px solid var(--grid);
  border-radius: 1px;
}

.page-contact .checklist li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--neon);
  border-bottom: 2px solid var(--neon);
  transform: rotate(-45deg);
  opacity: 0.85;
}

/* ---------- 邮件 / 电话 ---------- */
.page-contact .contact-lines {
  padding: 56px 0 0;
}

.page-contact .contact-lines__grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 880px) {
  .page-contact .contact-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .contact-lines__panel {
  background: var(--ink-2);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
}

.page-contact .contact-lines__panel .panel__body {
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-lines__panel .panel__body p + p {
  margin-top: 12px;
}

.page-contact .contact-lines__panel .panel__body a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-lines__addr {
  display: block;
  margin: 0 0 16px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--grid);
  font-size: var(--fs-20);
  letter-spacing: 0.02em;
  color: var(--white);
  word-break: break-all;
}

.page-contact .subject-list {
  list-style: none;
  margin: 12px 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .subject-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  font-size: var(--fs-14);
  color: var(--mist);
  background: var(--ink);
  border-left: 2px solid var(--orange);
}

.page-contact .subject-list .mono {
  color: var(--orange);
}

/* ---------- 联系信息 ---------- */
.page-contact .contact-facts-section {
  padding: 56px 0 0;
}

.page-contact .contact-facts-section .eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-facts {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 780px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .contact-facts__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px;
  background: var(--ink-2);
}

.page-contact .contact-facts__key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .contact-facts__val {
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-facts__note {
  margin: 14px 0 0;
  font-size: var(--fs-12);
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-strip {
  position: relative;
  margin-top: 56px;
  overflow: hidden;
  background: var(--ink-2);
  border-top: 1px solid var(--grid);
}

.page-contact .contact-strip__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(60%);
  pointer-events: none;
}

.page-contact .contact-strip__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(100deg, rgba(10, 12, 11, 0.96) 0%, rgba(10, 12, 11, 0.8) 55%, rgba(10, 12, 11, 0.58) 100%);
}

.page-contact .contact-strip__inner {
  position: relative;
  z-index: 1;
  padding-top: 30px;
  padding-bottom: 30px;
}

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

@media (min-width: 840px) {
  .page-contact .contact-strip__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .contact-strip__list li {
  display: grid;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--neon);
}

.page-contact .contact-strip__list span {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .contact-strip__list b {
  font-weight: 500;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}