.page-contact {
  --pc-line: var(--ink-3);
  --pc-panel: var(--ink-2);
  --pc-gap: clamp(18px, 2.6vw, 32px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .lead {
  padding: clamp(22px, 4vw, 52px) 0 clamp(26px, 4vw, 44px);
}

.page-contact .lead__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .lead__title {
  margin: 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 92px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .lead__text {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-contact .lead {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    grid-template-areas:
      "eyebrow ."
      "title   text";
    column-gap: clamp(28px, 4.5vw, 72px);
    align-items: end;
  }
  .page-contact .lead__eyebrow { grid-area: eyebrow; }
  .page-contact .lead__title { grid-area: title; }
  .page-contact .lead__text {
    grid-area: text;
    margin: 0;
    padding-bottom: 12px;
  }
}

/* ---------- 三条通道概览 ---------- */
.page-contact .paths {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--pc-line);
  display: grid;
  gap: 16px;
}

.page-contact .path {
  --dot: var(--orange);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num note";
  column-gap: 12px;
  row-gap: 3px;
  align-items: baseline;
}

.page-contact .path--phone { --dot: var(--paper); }
.page-contact .path--rail { --dot: var(--green); }

.page-contact .path__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--dot);
  letter-spacing: 0.06em;
}

.page-contact .path__name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .path__note {
  grid-area: note;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    border-top: 0;
    padding-top: 24px;
    position: relative;
  }
  .page-contact .paths::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange) 0%, rgba(243, 246, 248, 0.16) 48%, var(--green) 100%);
  }
}

/* ---------- 首图 ---------- */
.page-contact .contact-shot {
  margin: 0 0 clamp(34px, 5vw, 68px);
}

.page-contact .contact-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 章节 ---------- */
.page-contact .chapter {
  position: relative;
  padding: clamp(42px, 6vw, 80px) 0;
  border-top: 1px solid var(--pc-line);
  scroll-margin-top: 96px;
}

.page-contact .chapter--last {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .chapter__number {
  position: absolute;
  top: clamp(24px, 4vw, 44px);
  right: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(62px, 13vw, 132px);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--wine);
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-contact .chapter__head {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  padding-right: clamp(38px, 10vw, 108px);
}

.page-contact .chapter__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 46px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .chapter__lede {
  margin: 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 通道卡片 ---------- */
.page-contact .channels {
  margin-top: clamp(24px, 3.4vw, 42px);
  display: grid;
  gap: 16px;
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr) minmax(0, 1.32fr);
    gap: 18px;
    align-items: stretch;
  }
}

.page-contact .chan {
  --chan-accent: var(--orange);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--chan-accent);
}

.page-contact .chan--mail { --chan-accent: var(--orange); }
.page-contact .chan--phone { --chan-accent: var(--paper); }
.page-contact .chan--rail { --chan-accent: var(--green); }

.page-contact .chan__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--chan-accent);
}

.page-contact .chan__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .chan__value {
  margin: 0;
  padding: 11px 13px;
  border: 1px dashed var(--pc-line);
  border-radius: var(--radius-sm);
  background: rgba(11, 27, 43, 0.72);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .chan__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .chan__list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--pc-line);
  display: grid;
  gap: 8px;
}

.page-contact .chan__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--chan-accent);
  opacity: 0.9;
}

.page-contact .chan__track {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--pc-line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-contact .chan__node {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
}

.page-contact .chan__node::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--green);
  background: transparent;
}

.page-contact .chan__node[data-visible="true"] {
  color: var(--green-soft);
}

.page-contact .chan__node[data-visible="true"]::before {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(47, 224, 138, 0.16);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  margin-top: clamp(22px, 3.2vw, 38px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: linear-gradient(125deg, rgba(18, 41, 63, 0.94) 0%, rgba(11, 27, 43, 0.94) 68%);
  display: grid;
  gap: 22px;
}

@media (min-width: 840px) {
  .page-contact .hours {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    column-gap: clamp(24px, 4vw, 56px);
  }
}

.page-contact .hours__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green-soft);
}

.page-contact .hours__clock {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 50px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hours__dash {
  color: var(--green);
  font-size: 0.7em;
}

.page-contact .hours__days {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .hours__tip {
  margin: 0 0 14px;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(47, 224, 138, 0.07);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .hours__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 邮件要素清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: clamp(22px, 3.2vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  padding: 17px 4px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .checklist__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--orange);
  border-radius: 6px;
  background: rgba(255, 138, 61, 0.08);
  flex: none;
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: rotate(42deg);
}

.page-contact .checklist__body {
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .checklist__body strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .mail-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 197, 155, 0.45);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 合作协作 ---------- */
.page-contact .coop {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: 16px;
}

@media (min-width: 820px) {
  .page-contact .coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-contact .coop__item {
  padding: 22px 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(74, 61, 142, 0.16);
}

.page-contact .coop__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-contact .coop__materials {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px dashed var(--pc-line);
  border-radius: var(--radius);
  background: rgba(18, 41, 63, 0.6);
}

.page-contact .coop__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-contact .coop__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .coop__link-line {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 地址与备案 ---------- */
.page-contact .addr {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--pc-panel);
}

@media (min-width: 860px) {
  .page-contact .addr {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.38fr);
  }
}

.page-contact .addr__main {
  padding: clamp(24px, 3.6vw, 44px);
}

.page-contact .addr__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sand);
}

.page-contact .addr__line {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 24ch;
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .addr__meta {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .addr__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pc-line);
}

@media (min-width: 560px) {
  .page-contact .addr__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

.page-contact .addr__row dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .addr__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .addr__region {
  display: block;
  width: min(20%, 160px);
  height: 6px;
  margin-top: clamp(20px, 3vw, 30px);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sand) 0%, rgba(232, 183, 122, 0) 100%);
}

.page-contact .addr__fig {
  margin: 0;
  min-height: 180px;
  background: linear-gradient(160deg, rgba(232, 183, 122, 0.24) 0%, rgba(74, 61, 142, 0.3) 100%);
}

.page-contact .addr__fig img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.86);
}

/* ---------- 常见疑问 ---------- */
.page-contact .qa {
  margin-top: clamp(22px, 3.2vw, 36px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}

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

.page-contact .qa__q {
  cursor: pointer;
  list-style: none;
  padding: 18px 34px 18px 4px;
  position: relative;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-contact .qa__q::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 19px;
  color: var(--green);
}

.page-contact .qa__item[open] .qa__q::after {
  content: "–";
  color: var(--orange);
}

.page-contact .qa__a {
  margin: 0;
  padding: 0 4px 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .closing {
  margin-top: clamp(38px, 5vw, 64px);
  padding: clamp(26px, 3.8vw, 44px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: radial-gradient(120% 160% at 0% 0%, rgba(255, 138, 61, 0.14) 0%, rgba(11, 27, 43, 0) 62%);
  display: grid;
  gap: 20px;
}

@media (min-width: 820px) {
  .page-contact .closing {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: clamp(24px, 4vw, 56px);
  }
}

.page-contact .closing__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper);
}