/* ===== 反馈通道 /feedback/ ===== */
.page-contact {
  --ct-tint: #F2F6FA;
  --ct-error-bg: #FDF1E9;
}

.page-contact .breadcrumb {
  padding: 26px 0 2px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: 8px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 18px;
  max-width: 16em;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-contact .contact-hero .lead {
  max-width: 660px;
  color: var(--ink);
}

.page-contact .hero-facts {
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 20px;
}

.page-contact .hero-facts__num {
  display: block;
  margin-bottom: 4px;
  font-size: 22px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.01em;
}

.page-contact .hero-facts li:first-child .hero-facts__num {
  color: var(--orange);
}

.page-contact .hero-facts__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 双栏骨架 ---------- */
.page-contact .feedback-layout {
  display: grid;
  gap: 44px;
}

.page-contact .feedback-main {
  min-width: 0;
}

/* ---------- 左栏：渠道 ---------- */
.page-contact .rail-title {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .rail-sub {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .channel {
  position: relative;
  margin-bottom: 14px;
  padding: 18px 20px 18px 22px;
  background: var(--card);
  border: 1px solid var(--rule);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  right: auto;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--blue-2);
}

.page-contact .channel--mail::before {
  background: var(--orange);
}

.page-contact .channel:hover {
  border-color: var(--rule-strong);
}

.page-contact .channel__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .channel__value {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

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

/* ---------- 左栏：在线时段 ---------- */
.page-contact .hours {
  margin-top: 26px;
  padding: 20px 20px 22px;
  background: var(--blue);
  border: 1px solid var(--blue-2);
}

.page-contact .hours__title {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
}

.page-contact .hours__rail {
  position: relative;
  height: 6px;
  background: rgba(255, 255, 255, 0.18);
}

.page-contact .hours__window {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--teal);
}

.page-contact .hours__ends {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .hours__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 左栏：回复节奏 ---------- */
.page-contact .rhythm {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .rhythm li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .rhythm__step {
  display: block;
  padding: 3px 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--orange-ink);
  background: var(--orange-soft);
}

.page-contact .rhythm li p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 右栏：表单 ---------- */
.page-contact .panel-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .panel-sub {
  margin: 8px 0 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .form-preview {
  margin: 0 0 26px;
}

.page-contact .fbform {
  padding: 26px 22px 24px;
  background: var(--card);
  border: 1px solid var(--rule);
}

.page-contact .field {
  margin-bottom: 22px;
}

.page-contact .field:last-of-type {
  margin-bottom: 24px;
}

.page-contact .field__label {
  display: block;
  margin: 0 0 6px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .field__hint {
  margin: 0 0 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .field__control {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 12px 13px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--ct-tint);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  appearance: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .field__control:focus {
  outline: none;
  background: var(--card);
  border-color: var(--orange);
  box-shadow: inset 0 0 0 1px var(--orange);
}

.page-contact .field__control:not(:placeholder-shown):invalid {
  background: var(--ct-error-bg);
  border-color: var(--orange);
  box-shadow: inset 0 0 0 1px var(--orange);
}

.page-contact .field__control--area {
  min-height: 128px;
  line-height: 1.7;
  resize: vertical;
}

.page-contact .field__error {
  display: none;
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--orange-ink);
}

.page-contact .field:has(.field__control:not(:placeholder-shown):invalid) .field__error {
  display: block;
}

/* ---------- 类别标签 ---------- */
.page-contact .cats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 8px;
}

.page-contact .cat {
  position: relative;
  display: block;
  cursor: pointer;
}

.page-contact .cat input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .cat span {
  display: block;
  padding: 9px 10px;
  font-size: 13.5px;
  line-height: 1.4;
  text-align: center;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .cat:hover span {
  border-color: var(--rule-strong);
}

.page-contact .cat input:checked + span {
  color: var(--teal-ink);
  background: var(--teal-soft);
  border-color: var(--teal);
  font-weight: 700;
}

.page-contact .cat input:focus-visible + span {
  outline: 2px solid var(--orange);
  outline-offset: 1px;
}

.page-contact .feedback-submit {
  width: 100%;
  margin-top: 4px;
}

.page-contact .submit-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 自查三条 ---------- */
.page-contact .selfcheck-head {
  margin-bottom: 26px;
}

.page-contact .selfcheck-head h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .selfcheck-head p {
  margin: 0;
  max-width: 560px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .selfcheck__item {
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.page-contact .selfcheck__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .selfcheck__no {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .selfcheck__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .selfcheck__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .selfcheck__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--orange-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-contact .selfcheck__link:hover {
  color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .closing {
  padding-bottom: 10px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .hero-facts li + li {
    padding-left: 28px;
    border-left: 1px solid var(--rule);
  }
}

@media (min-width: 880px) {
  .page-contact .selfcheck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .selfcheck__item {
    padding: 4px 30px 6px;
    border-top: 0;
    border-left: 1px solid var(--rule);
  }

  .page-contact .selfcheck__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .selfcheck__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 1000px) {
  .page-contact .feedback-layout {
    grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.3fr);
    gap: 56px;
    align-items: start;
  }
}