.page-contact {
  --contact-edge: rgba(35, 39, 46, .85);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--iron);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(255, 122, 24, .16), transparent 58%),
    radial-gradient(90% 70% at 6% 100%, rgba(31, 214, 232, .10), transparent 62%),
    var(--ink);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__band {
  position: absolute;
  left: -8%;
  bottom: -56px;
  width: 260px;
  height: 150px;
  opacity: .13;
  transform: rotate(-9deg);
  border-radius: 42% 58% 30% 70% / 62% 38% 62% 38%;
  pointer-events: none;
  z-index: 1;
}

.page-contact .contact-hero__plate {
  margin: clamp(18px, 3vw, 28px) 0 14px;
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--text);
  text-wrap: balance;
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 96px;
  height: 4px;
  margin-top: 18px;
  border-radius: 4px;
  background: var(--tiger);
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
}

.page-contact .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--gold);
}

.page-contact .fact-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 通用区块节奏 ---------- */
.page-contact .section {
  padding: clamp(38px, 6vw, 76px) 0;
}

.page-contact .section__head {
  max-width: 62ch;
}

.page-contact .section__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .section__desc {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 服务台双栏 ---------- */
.page-contact .contact-desk {
  background: var(--ink);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

/* 自助折叠组 */
.page-contact .contact-self__item {
  position: relative;
  border-top: 1px solid var(--iron);
}

.page-contact .contact-self__item:last-of-type {
  border-bottom: 1px solid var(--iron);
}

.page-contact .contact-self__trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 46px 18px 2px;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: inherit;
  font-size: clamp(15px, 1.7vw, 17.5px);
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color .2s ease;
}

.page-contact .contact-self__trigger:hover,
.page-contact .contact-self__trigger:focus-visible {
  color: var(--orange);
}

.page-contact .contact-self__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .contact-self__name {
  display: block;
}

.page-contact .disclosure__sign {
  position: absolute;
  top: 22px;
  right: 4px;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-contact .disclosure__sign::before,
.page-contact .disclosure__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .25s ease, opacity .25s ease;
}

.page-contact .disclosure__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-contact .disclosure__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-contact .disclosure[data-open] .disclosure__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .disclosure__body {
  padding: 0 2px 22px;
}

.page-contact .disclosure__body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 联系信息卡 */
.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(180deg, var(--panel), rgba(11, 12, 14, .92));
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--tiger);
}

.page-contact .contact-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.3;
  color: var(--text);
}

.page-contact .contact-card__sub {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-card__media {
  margin: 18px 0 4px;
}

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

.page-contact .contact-card__row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 14px 0;
  border-top: 1px solid var(--iron);
}

.page-contact .contact-card__row:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-contact .contact-card__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .contact-card__key {
  grid-column: 2;
  grid-row: 1;
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-card__val {
  grid-column: 2;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
  user-select: all;
}

.page-contact .contact-card__val--addr {
  font-size: 13.5px;
  line-height: 1.95;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--iron);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow {
  background:
    linear-gradient(180deg, rgba(21, 23, 27, .9), rgba(11, 12, 14, .2)),
    var(--ink);
  border-top: 1px solid var(--iron);
  border-bottom: 1px solid var(--iron);
}

.page-contact .flow {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .flow__step {
  position: relative;
  padding: 28px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--iron);
}

.page-contact .flow__step--a::before { background: var(--orange); }
.page-contact .flow__step--b::before { background: var(--gold); }
.page-contact .flow__step--c::before { background: var(--cyan); }
.page-contact .flow__step--d::before { background: var(--green); }

.page-contact .flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .flow__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-flow__figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-contact .contact-flow__figure .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问题分类 ---------- */
.page-contact .type-grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .type-card {
  position: relative;
  padding: 20px 20px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
}

.page-contact .type-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--cat-color, var(--iron));
}

.page-contact .type-card--login { --cat-color: var(--cyan); }
.page-contact .type-card--download { --cat-color: var(--green); }
.page-contact .type-card--server { --cat-color: var(--gold); }
.page-contact .type-card--fix { --cat-color: var(--muted); }

.page-contact .type-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 800;
  color: var(--text);
}

.page-contact .type-card__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .type-card__rate {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--contact-edge);
  font-size: 13px;
  line-height: 1.72;
  color: var(--cyan);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  background:
    radial-gradient(90% 70% at 92% 0%, rgba(255, 194, 74, .10), transparent 60%),
    var(--ink);
}

.page-contact .contact-coop__grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
}

.page-contact .coop-card__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .coop-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 800;
  color: var(--text);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-coop__foot {
  margin: clamp(22px, 3.5vw, 32px) 0 20px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit {
  background: var(--ink);
  border-top: 1px solid var(--iron);
}

.page-contact .contact-visit__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(22px, 4vw, 40px);
  background: linear-gradient(135deg, rgba(255, 122, 24, .11), rgba(31, 214, 232, .07) 68%, rgba(11, 12, 14, 0) 100%);
  border: 1px solid var(--iron);
  border-radius: var(--radius-lg);
}

.page-contact .contact-visit__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.28;
  color: var(--text);
}

.page-contact .contact-visit__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-contact .contact-visit__addr {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  font-style: normal;
  background: var(--ink);
  border: 1px dashed var(--iron);
  border-radius: var(--radius);
}

.page-contact .contact-visit__addr-label {
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-visit__addr-line {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .contact-visit__addr-note {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--iron);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .page-contact .flow__step {
    border-radius: 0;
    border-left: 0;
  }

  .page-contact .flow__step:nth-child(1) { border-radius: var(--radius-lg) 0 0 0; }
  .page-contact .flow__step:nth-child(2) { border-radius: 0 var(--radius-lg) 0 0; }
  .page-contact .flow__step:nth-child(3) { border-radius: 0 0 0 var(--radius-lg); }
  .page-contact .flow__step:nth-child(4) { border-radius: 0 0 var(--radius-lg) 0; }
}

@media (min-width: 900px) {
  .page-contact .contact-visit__panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    gap: 34px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .flow__step:nth-child(2) {
    border-radius: 0;
  }

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

@media (min-width: 960px) and (min-height: 780px) {
  .page-contact .contact-desk__side {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .disclosure__sign::before,
  .page-contact .disclosure__sign::after,
  .page-contact .contact-self__trigger {
    transition: none;
  }
}