.page-contact {
  --ct-shadow: 0 28px 64px rgba(0, 0, 0, .48);
  --ct-ink-line: rgba(23, 18, 14, .14);
  background: var(--gx-void);
  color: var(--gx-silver);
}

.page-contact .gx-section {
  padding: clamp(60px, 9vw, 124px) 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--gx-header-h) + clamp(36px, 6vw, 72px));
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -8% -18% auto -18%;
  height: 76%;
  background:
    radial-gradient(50% 62% at 20% 14%, rgba(53, 224, 208, .15), transparent 68%),
    radial-gradient(44% 56% at 90% 2%, rgba(255, 107, 44, .11), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-hero__head h1 {
  margin: 16px 0 20px;
  max-width: 15em;
  font-size: clamp(2rem, 7vw, 4.15rem);
  line-height: 1.14;
  letter-spacing: .07em;
  color: var(--gx-paper);
}

.page-contact .contact-hero .gx-lede {
  max-width: 44em;
  color: var(--gx-silver);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(34px, 5vw, 56px);
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 40px) clamp(22px, 4vw, 52px);
  border-radius: var(--gx-radius);
  box-shadow: var(--ct-shadow);
  color: var(--gx-ink);
}

.page-contact .contact-card__row {
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--ct-ink-line);
}

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

.page-contact .contact-card__label {
  margin: 0 0 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .34em;
  color: var(--gx-red);
}

.page-contact .contact-card__value {
  margin: 0 0 9px;
  font-size: clamp(1rem, 2.2vw, 1.22rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--gx-ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--mono {
  font-family: var(--gx-mono);
  font-size: clamp(.94rem, 2vw, 1.12rem);
  letter-spacing: .01em;
}

.page-contact .contact-card__value::selection,
.page-contact .contact-card__value *::selection {
  background: var(--gx-flame);
  color: var(--gx-void);
}

.page-contact .contact-card__hint {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(23, 18, 14, .66);
}

.page-contact .contact-rail {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--gx-line-strong);
}

.page-contact .contact-rail__mark {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .34em;
  color: var(--gx-cyan);
}

.page-contact .contact-rail__value {
  margin: 0 0 6px;
  font-family: var(--gx-mono);
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  letter-spacing: .02em;
  color: var(--gx-paper);
}

.page-contact .contact-rail__note {
  margin: 0;
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--gx-slate);
}

.page-contact .contact-hero__band {
  margin: clamp(42px, 7vw, 86px) 0 0;
  padding: 0 var(--gx-gutter);
}

.page-contact .contact-hero__band img {
  display: block;
  width: 100%;
  max-width: var(--gx-shell);
  height: auto;
  max-height: 44vh;
  margin: 0 auto;
  object-fit: cover;
  border-radius: var(--gx-radius);
  opacity: .82;
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: clamp(36px, 6vw, 76px);
    align-items: center;
  }

  .page-contact .contact-rail {
    border-top: 0;
    padding-top: 0;
  }

  .page-contact .contact-rail__mark {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: .42em;
  }
}

/* ---------- 服务时段与处理方式 ---------- */

.page-contact .contact-flow__head .gx-lede {
  max-width: 44em;
  margin-top: 16px;
}

.page-contact .contact-track {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
}

.page-contact .contact-track__step {
  position: relative;
  margin-left: 6px;
  padding: 0 0 34px 28px;
  border-left: 1px solid var(--gx-line-strong);
}

.page-contact .contact-track__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .contact-track__index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--gx-mono);
  font-size: 1.4rem;
  letter-spacing: .06em;
  color: var(--gx-cyan);
}

.page-contact .contact-track__step .gx-h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--gx-paper);
}

.page-contact .contact-track__step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--gx-slate);
}

.page-contact .contact-fold {
  margin-top: clamp(30px, 4vw, 48px);
  border: 1px solid var(--gx-line-strong);
  border-radius: var(--gx-radius);
  background: var(--gx-glass);
  backdrop-filter: blur(10px);
}

.page-contact .contact-fold__summary {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: .95rem;
  letter-spacing: .05em;
  color: var(--gx-paper);
  cursor: pointer;
  list-style: none;
}

.page-contact .contact-fold__summary::-webkit-details-marker { display: none; }

.page-contact .contact-fold__summary::after {
  content: "+";
  font-family: var(--gx-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--gx-cyan);
}

.page-contact .contact-fold[open] .contact-fold__summary::after { content: "–"; }

.page-contact .contact-fold__body {
  margin: 0;
  padding: 0 22px 22px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--gx-slate);
}

@media (min-width: 900px) {
  .page-contact .contact-track {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .contact-track__step {
    margin-left: 0;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(53, 224, 208, .3);
  }

  .page-contact .contact-track__step:last-child {
    border-top-color: rgba(53, 224, 208, .16);
  }

  .page-contact .contact-track__index {
    position: absolute;
    top: -15px;
    left: 0;
    display: inline-block;
    margin: 0;
    padding-right: 14px;
    background: var(--gx-void);
    line-height: 1.1;
  }
}

/* ---------- 访问问题反馈 ---------- */

.page-contact .contact-report__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .contact-report__item {
  border-bottom: 1px solid var(--gx-line);
}

.page-contact .contact-report__item:first-child {
  border-top: 1px solid var(--gx-line);
}

.page-contact .contact-report__summary {
  position: relative;
  padding: 22px 42px 22px 0;
  font-size: clamp(1rem, 2vw, 1.12rem);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--gx-paper);
  cursor: pointer;
  list-style: none;
}

.page-contact .contact-report__summary::-webkit-details-marker { display: none; }

.page-contact .contact-report__summary::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gx-cyan);
  border-bottom: 1px solid var(--gx-cyan);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s ease;
}

.page-contact .contact-report__item[open] .contact-report__summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.page-contact .contact-report__body {
  margin: 0 0 24px;
  padding-right: 26px;
  font-size: .94rem;
  line-height: 1.9;
  color: var(--gx-slate);
}

.page-contact .contact-report__aside {
  align-self: start;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--gx-line-strong);
  border-radius: var(--gx-radius);
  background:
    linear-gradient(158deg, rgba(53, 224, 208, .08), transparent 58%),
    var(--gx-nebula);
}

.page-contact .contact-report__aside .gx-h3 {
  margin: 0 0 18px;
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--gx-paper);
}

.page-contact .contact-report__checklist {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-report__checklist li {
  position: relative;
  padding-left: 24px;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--gx-silver);
}

.page-contact .contact-report__checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 11px;
  height: 1px;
  background: var(--gx-cyan);
}

.page-contact .contact-report__aside-note {
  margin: 0;
  font-size: .86rem;
  line-height: 1.85;
  color: var(--gx-slate);
}

.page-contact .contact-report__aside-note a {
  color: var(--gx-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 940px) {
  .page-contact .contact-report__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

/* ---------- 数据出入反馈 ---------- */

.page-contact .contact-verify__lede {
  max-width: 46em;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gx-slate);
}

.page-contact .contact-verify__lede a {
  color: var(--gx-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .contact-verify__list {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
}

.page-contact .contact-verify__item {
  padding: 26px 0;
  border-top: 1px solid var(--gx-line);
}

.page-contact .contact-verify__index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--gx-mono);
  font-size: .8rem;
  letter-spacing: .22em;
  color: var(--gx-flame);
}

.page-contact .contact-verify__item .gx-h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  letter-spacing: .05em;
  color: var(--gx-paper);
}

.page-contact .contact-verify__item p {
  max-width: 36em;
  margin: 0;
  font-size: .93rem;
  line-height: 1.9;
  color: var(--gx-slate);
}

.page-contact .contact-verify__foot {
  max-width: 42em;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--gx-cyan);
  font-size: .95rem;
  line-height: 1.85;
  color: var(--gx-silver);
}

@media (min-width: 860px) {
  .page-contact .contact-verify__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(32px, 6vw, 88px);
  }

  .page-contact .contact-verify__item {
    padding-top: 30px;
  }

  .page-contact .contact-verify__item:nth-child(even) {
    margin-top: 44px;
  }
}

/* ---------- 合作与内容沟通 ---------- */

.page-contact .contact-partner__inner {
  padding: clamp(30px, 5vw, 64px) clamp(22px, 4vw, 56px);
  border: 1px solid var(--gx-line-strong);
  border-radius: var(--gx-radius);
  background:
    linear-gradient(118deg, rgba(53, 224, 208, .1), rgba(255, 107, 44, .07) 56%, transparent 88%),
    var(--gx-nebula);
}

.page-contact .contact-partner__text {
  max-width: 34em;
  margin: 16px 0 26px;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--gx-silver);
}

.page-contact .contact-partner__item {
  padding: 0 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gx-line);
}

.page-contact .contact-partner__item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-partner__item .gx-h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--gx-paper);
}

.page-contact .contact-partner__item p {
  max-width: 38em;
  margin: 0;
  font-size: .92rem;
  line-height: 1.88;
  color: var(--gx-slate);
}

.page-contact .contact-partner__item a {
  color: var(--gx-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 880px) {
  .page-contact .contact-partner__inner {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(34px, 6vw, 84px);
    align-items: start;
  }
}

/* ---------- 线下联系信息 ---------- */

.page-contact .contact-offline__grid {
  display: grid;
  gap: clamp(30px, 5vw, 64px);
}

.page-contact .contact-offline__text-body {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--gx-slate);
}

.page-contact .contact-offline__addr {
  display: block;
  margin: 24px 0 0;
  padding: 20px 24px;
  font-style: normal;
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--gx-paper);
  background: rgba(242, 236, 223, .05);
  border-left: 2px solid var(--gx-cyan);
  border-radius: 0 var(--gx-radius) var(--gx-radius) 0;
}

.page-contact .contact-offline__meta {
  margin: 16px 0 0;
  font-family: var(--gx-mono);
  font-size: .82rem;
  line-height: 1.9;
  letter-spacing: .01em;
  color: var(--gx-slate);
  overflow-wrap: anywhere;
}

.page-contact .contact-offline__figure {
  margin: 0;
}

.page-contact .contact-offline__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--gx-radius);
  opacity: .88;
}

@media (min-width: 880px) {
  .page-contact .contact-offline__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: center;
  }
}

/* ---------- 写好一条反馈 ---------- */

.page-contact .contact-compose__paper {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--gx-radius);
  box-shadow: var(--ct-shadow);
  color: var(--gx-ink);
  overflow-x: auto;
}

.page-contact .contact-compose__code {
  margin: 0;
  font-family: var(--gx-mono);
  font-size: clamp(.84rem, 2vw, 1rem);
  line-height: 2.15;
  letter-spacing: .01em;
  color: var(--gx-ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .contact-compose__key {
  font-weight: 700;
  color: var(--gx-red);
}

.page-contact .contact-compose__foot {
  max-width: 44em;
  margin: 20px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--gx-slate);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-report__summary::after {
    transition: none;
  }
}