.page-contact .contact-head {
  padding: clamp(26px, 5vw, 52px) 0 clamp(16px, 2.5vw, 26px);
  max-width: 880px;
}

.page-contact .contact-head .plate {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-head h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 0 0 18px;
}

.page-contact .contact-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}

/* ---------- 首屏主视觉 ---------- */
.page-contact .contact-hero {
  margin: clamp(20px, 3.5vw, 42px) 0 clamp(38px, 6vw, 82px);
}

.page-contact .contact-hero .media__caption {
  margin-top: 12px;
}

/* ---------- 反向分屏 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(38px, 6vw, 78px);
  border-bottom: var(--rule);
}

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }
}

/* ---------- 左栏：联系信息卡 ---------- */
.page-contact .contact-card {
  position: relative;
  background: var(--ink-2);
  border: var(--rule);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--amber);
}

.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0 0 8px;
}

.page-contact .contact-card__note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 22px;
}

.page-contact .contact-line {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 12px;
  padding: 14px 0;
  border-top: var(--rule);
}

.page-contact .contact-line__label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
  white-space: nowrap;
}

.page-contact .contact-line__value {
  font-size: 14.5px;
  color: var(--mist);
  word-break: break-all;
  letter-spacing: 0.02em;
}

.page-contact .copy-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-card .copy-btn {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  background: transparent;
  border: 1px solid var(--line);
  padding: 6px 11px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .contact-card .copy-btn:hover,
.page-contact .contact-card .copy-btn:focus-visible {
  border-color: var(--teal);
}

.page-contact .contact-card .copy-status {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--teal);
  letter-spacing: 0.02em;
}

.page-contact .contact-card__addr {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 8px 12px;
  align-items: baseline;
  margin: 0;
  padding: 14px 0;
  border-top: var(--rule);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 工作时间刻度条 ---------- */
.page-contact .contact-hours {
  padding: 16px 0 0;
  border-top: var(--rule);
}

.page-contact .hour-ruler {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin: 10px 0 9px;
  font-size: 11.5px;
  color: var(--muted);
}

.page-contact .hour-ruler__bar {
  position: relative;
  display: block;
  height: 10px;
  background: var(--ink);
  border: 1px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

.page-contact .hour-ruler__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    var(--amber-deep) 0 1px,
    transparent 1px 11.111%
  );
}

.page-contact .contact-hours:hover .hour-ruler__bar,
.page-contact .contact-hours:focus-within .hour-ruler__bar {
  border-color: var(--teal);
}

.page-contact .contact-hours__hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  transition: color 0.24s var(--ease);
}

.page-contact .contact-hours:hover .contact-hours__hint {
  color: var(--teal);
}

.page-contact .contact-urgent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: var(--rule);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-urgent .dot {
  flex: none;
  margin-top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--alert);
}

/* ---------- 右栏：四类问题 ---------- */
.page-contact .contact-types__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0 0 8px;
}

.page-contact .contact-types__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 18px;
}

.page-contact .type-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .type-item {
  border-bottom: var(--rule);
}

.page-contact .type-item .drawer__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .type-item .drawer__head::-webkit-details-marker {
  display: none;
}

.page-contact .type-item .drawer__idx {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber-deep);
}

.page-contact .type-item__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--mist);
  transition: color 0.24s var(--ease);
}

.page-contact .type-item .drawer__head:hover .type-item__name,
.page-contact .type-item details[open] .type-item__name {
  color: var(--amber);
}

.page-contact .type-item .drawer__mark {
  position: relative;
  width: 14px;
  height: 14px;
  color: var(--teal);
}

.page-contact .type-item .drawer__mark::before,
.page-contact .type-item .drawer__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-contact .type-item .drawer__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.24s var(--ease);
}

.page-contact .type-item details[open] .drawer__mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-contact .type-item .drawer__body {
  padding: 0 0 20px 32px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .type-item .drawer__body p {
  margin: 0;
}

.page-contact .type-item__need {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-contact .type-item__need li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .type-item__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--amber-deep);
}

.page-contact .type-item__eta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--teal);
}

.page-contact .contact-types__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-types__jump {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease);
}

.page-contact .contact-types__jump:hover {
  border-bottom-color: var(--teal);
}

/* ---------- 纠错指引 ---------- */
.page-contact .contact-fix {
  padding: clamp(38px, 6vw, 82px) 0;
  border-bottom: var(--rule);
}

.page-contact .contact-fix__head,
.page-contact .contact-coop__head,
.page-contact .contact-self__head {
  max-width: 700px;
}

.page-contact .contact-fix__title,
.page-contact .contact-coop__title,
.page-contact .contact-self__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 10px 0 12px;
}

.page-contact .contact-fix__note,
.page-contact .contact-coop__note,
.page-contact .contact-self__note {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

.page-contact .fix-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: var(--rule);
  transition: padding-left 0.24s var(--ease);
}

.page-contact .fix-step:hover {
  padding-left: 10px;
}

.page-contact .fix-step__idx {
  font-size: 20px;
  line-height: 1;
  padding-top: 3px;
  color: var(--amber-deep);
  letter-spacing: 0.02em;
}

.page-contact .fix-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0 0 6px;
}

.page-contact .fix-step p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 64ch;
}

/* ---------- 合作互认 ---------- */
.page-contact .contact-coop {
  padding: clamp(38px, 6vw, 82px) 0;
  border-bottom: var(--rule);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 36px);
}

@media (min-width: 900px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

.page-contact .coop-figure .media__caption {
  margin-top: 12px;
}

.page-contact .coop-body h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0 0 10px;
}

.page-contact .coop-body h3 + p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 24px;
}

.page-contact .coop-body .mono {
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-contact .coop-steps {
  list-style: none;
  counter-reset: coop;
  margin: 0 0 22px;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .coop-steps li {
  position: relative;
  counter-increment: coop;
  padding: 14px 0 14px 40px;
  border-bottom: var(--rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-steps li::before {
  content: counter(coop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-contact .coop-tail {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-contact .coop-tail a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease);
}

.page-contact .coop-tail a:hover {
  border-bottom-color: var(--teal);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-self {
  padding: clamp(38px, 6vw, 82px) 0 clamp(48px, 8vw, 100px);
}

.page-contact .self-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--rule);
}

.page-contact .self-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 22px;
  padding: 16px clamp(16px, 2.2vw, 26px);
  background: var(--ink-2);
  transition: background 0.2s var(--ease);
}

.page-contact .self-item:hover {
  background: var(--ink);
}

.page-contact .self-item__q {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .self-item__go {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease);
}

.page-contact .self-item__go:hover {
  border-bottom-color: var(--teal);
}

.page-contact .contact-self__tail {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .contact-self__tail a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-contact .contact-self__tail a:hover {
  border-bottom-color: var(--teal);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 560px) {
  .page-contact .contact-line {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "label label"
      "value copy";
    align-items: center;
  }

  .page-contact .contact-line__label {
    grid-area: label;
  }

  .page-contact .contact-line__value {
    grid-area: value;
  }

  .page-contact .copy-wrap {
    grid-area: copy;
  }

  .page-contact .contact-card__addr {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-contact .self-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-contact .fix-step {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 0 12px;
  }

  .page-contact .fix-step__idx {
    font-size: 17px;
  }

  .page-contact .type-item .drawer__body {
    padding-left: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fix-step,
  .page-contact .self-item,
  .page-contact .copy-btn,
  .page-contact .hour-ruler__bar,
  .page-contact .type-item .drawer__mark::after {
    transition: none;
  }

  .page-contact .fix-step:hover {
    padding-left: 0;
  }
}