.page-contact {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs-wrap {
  margin-bottom: clamp(20px, 4vw, 40px);
}
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-contact .crumbs__item {
  display: inline-flex;
  align-items: center;
}
.page-contact .crumbs__item + .crumbs__item::before {
  content: "／";
  margin: 0 8px;
  color: var(--line);
}
.page-contact .crumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}
.page-contact .crumbs a:hover {
  color: var(--paper);
  border-bottom-color: var(--pulse);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(58px, 9vw, 124px);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.72) contrast(1.06);
}
.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 14, 19, 0.82) 0%, rgba(10, 14, 19, 0.94) 60%, var(--ink) 100%),
    radial-gradient(120% 92% at 84% 10%, rgba(70, 194, 240, 0.24), transparent 62%),
    radial-gradient(86% 74% at 6% 90%, rgba(255, 122, 26, 0.18), transparent 60%);
}
.page-contact .contact-hero__inner {
  position: relative;
}
.page-contact .contact-hero__kicker {
  color: var(--muted);
  margin: 0;
}
.page-contact .contact-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 7.6vw, 92px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.page-contact .contact-hero__title-slant {
  display: block;
  transform: skewX(-6deg);
  transform-origin: left bottom;
  background: linear-gradient(96deg, var(--spring) 0%, var(--summer) 40%, var(--autumn) 66%, var(--winter) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.page-contact .contact-hero__lede {
  margin: 24px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(241, 234, 224, 0.78);
}
.page-contact .contact-hero__facts {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  max-width: 760px;
  border-top: 1px solid var(--line);
}
.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-contact .contact-hero__facts .mono {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* ---------- 分区标题 ---------- */
.page-contact .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800;
  font-style: italic;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .section__note {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .section--paper .section__title {
  color: var(--ink);
}
.page-contact .section--paper .section__note {
  color: rgba(10, 14, 19, 0.62);
}

/* ---------- 联络通道卡组 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(28px, 5vw, 52px);
}
.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px clamp(18px, 2.4vw, 28px) 30px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(19, 26, 34, 0.96) 0%, rgba(10, 14, 19, 0.84) 100%);
  transition: transform 0.34s var(--ease), border-color 0.34s var(--ease), box-shadow 0.34s var(--ease);
}
.page-contact .channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  height: 3px;
  background: var(--cc, var(--pulse));
}
.page-contact .channel-card--spring { --cc: var(--spring); }
.page-contact .channel-card--summer { --cc: var(--summer); }
.page-contact .channel-card--winter { --cc: var(--winter); }
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-8px);
  border-color: var(--cc, var(--pulse));
  box-shadow: 0 24px 48px -30px rgba(0, 0, 0, 0.95);
}
.page-contact .channel-card__k {
  margin: 0;
  color: var(--muted);
}
.page-contact .channel-card__valueLink {
  align-self: flex-start;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--cc, var(--pulse));
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .channel-card__valueLink:hover,
.page-contact .channel-card__valueLink:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}
.page-contact .channel-card__valueLink--phone {
  font-size: clamp(26px, 3.6vw, 36px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
}
.page-contact .channel-card__desc {
  margin: 2px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(241, 234, 224, 0.72);
}
.page-contact .channel-card__meta {
  list-style: none;
  margin: auto 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.page-contact .channel-card__meta li::before {
  content: "· ";
  color: var(--cc, var(--pulse));
}

/* ---------- 使用边界 ---------- */
.page-contact .scope-grid {
  display: grid;
  gap: 0;
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line-paper);
}
.page-contact .scope-col {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line-paper);
}
.page-contact .scope-col__k {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: rgba(10, 14, 19, 0.6);
}
.page-contact .scope-col__k::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sc, var(--ink));
}
.page-contact .scope-col--spring { --sc: var(--spring); }
.page-contact .scope-col--summer { --sc: var(--summer); }
.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}
.page-contact .scope-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(10, 14, 19, 0.82);
}
.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.84em;
  width: 13px;
  height: 1px;
  background: rgba(10, 14, 19, 0.42);
}
.page-contact .section--paper a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--summer);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.page-contact .scope-note {
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid rgba(10, 14, 19, 0.16);
  background: rgba(10, 14, 19, 0.04);
}
.page-contact .scope-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(10, 14, 19, 0.76);
}

/* ---------- 商务协作 ---------- */
.page-contact .biz-layout {
  display: grid;
  gap: 32px;
}
.page-contact .biz-intro__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(241, 234, 224, 0.74);
}
.page-contact .biz-fields {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  counter-reset: biz;
}
.page-contact .biz-field {
  counter-increment: biz;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 9px;
}
.page-contact .biz-field__k {
  margin: 0;
  color: var(--muted);
}
.page-contact .biz-field__k::before {
  content: counter(biz, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0;
  color: var(--autumn);
  margin-right: 10px;
}
.page-contact .biz-field__v {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(241, 234, 224, 0.8);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 48px);
}
.page-contact .flow-step {
  border: 1px solid var(--line);
  background: rgba(19, 26, 34, 0.72);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.page-contact .flow-step[open] {
  border-color: rgba(184, 255, 61, 0.42);
  background: rgba(19, 26, 34, 0.94);
}
.page-contact .flow-step__sum {
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 12px;
  padding: 18px 18px 20px;
}
.page-contact .flow-step__sum::-webkit-details-marker {
  display: none;
}
.page-contact .flow-step__sum:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: -3px;
}
.page-contact .flow-step__idx {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-contact .flow-step__name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(241, 234, 224, 0.9);
}
.page-contact .flow-step__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--spring), var(--summer), var(--autumn), var(--winter));
  opacity: 0.45;
}
.page-contact .flow-step__body {
  margin: 0;
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.88;
  color: var(--muted);
}
.page-contact .flow-media {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

/* ---------- 地址与备案 ---------- */
.page-contact .where-layout {
  display: grid;
  gap: 32px;
}
.page-contact .where-text__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(10, 14, 19, 0.72);
}
.page-contact .where-dl {
  margin: 26px 0 0;
  display: grid;
  border-top: 1px solid var(--line-paper);
}
.page-contact .where-dl__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-paper);
}
.page-contact .where-dl dt {
  margin: 0;
  color: rgba(10, 14, 19, 0.55);
}
.page-contact .where-dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .where-text__note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--summer);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(10, 14, 19, 0.72);
}
.page-contact .where-graphic {
  padding: 20px;
  border: 1px solid var(--line-paper);
  background:
    repeating-linear-gradient(90deg, rgba(10, 14, 19, 0.05) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(10, 14, 19, 0.05) 0 1px, transparent 1px 48px);
}
.page-contact .where-graphic svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-contact .wg-grid line {
  stroke: rgba(10, 14, 19, 0.12);
  stroke-width: 1;
}
.page-contact .wg-ridge {
  fill: none;
  stroke: rgba(10, 14, 19, 0.62);
  stroke-width: 1.4;
  stroke-linejoin: round;
}
.page-contact .wg-ridge-alt {
  fill: none;
  stroke: rgba(10, 14, 19, 0.26);
  stroke-width: 1;
  stroke-dasharray: 5 4;
}
.page-contact .wg-node {
  fill: var(--summer);
}
.page-contact .where-graphic__cap {
  margin: 16px 0 0;
  color: rgba(10, 14, 19, 0.5);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-more {
  padding: 26px 0 36px;
  border-top: 1px solid var(--line);
  background: var(--ink);
}
.page-contact .contact-more__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
}
.page-contact .contact-more__inner > .label {
  color: var(--muted);
}
.page-contact .contact-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.page-contact .contact-more__list a {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .contact-more__list a:hover,
.page-contact .contact-more__list a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 24px;
  }
  .page-contact .where-dl__row {
    grid-template-columns: 112px 1fr;
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 780px) {
  .page-contact .scope-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .scope-col {
    padding: 30px 34px 34px 0;
    border-bottom: 0;
  }
  .page-contact .scope-col + .scope-col {
    padding-left: 34px;
    border-left: 1px solid var(--line-paper);
  }
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    align-items: start;
  }
  .page-contact .channel-card:nth-child(1) { margin-top: 0; }
  .page-contact .channel-card:nth-child(2) { margin-top: 42px; }
  .page-contact .channel-card:nth-child(3) { margin-top: 84px; }
}

@media (min-width: 900px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .biz-layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: start;
  }
  .page-contact .where-layout {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 60px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__valueLink,
  .page-contact .flow-step,
  .page-contact .contact-more__list a {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}