.page-contact {
  --fb-panel-bg: var(--ink-2);
  --fb-panel-bg-2: var(--ink-3);
}

.page-contact .section {
  padding-block: clamp(34px, 6vw, 70px);
}

.page-contact h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.2;
  color: var(--paper);
}

.page-contact p {
  margin: 0;
}

.page-contact .link-ice {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 212, 255, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .link-ice:hover {
  color: var(--flare);
  border-color: var(--flare);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-block: 20px 4px;
}

/* ---------- 首屏与联络台 ---------- */
.page-contact .contact-hero {
  padding-top: 4px;
}

.page-contact .contact-hero__head {
  display: grid;
  gap: 16px;
  padding-block: 6px 30px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 19ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-contact .contact-hero .lead {
  max-width: var(--measure);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-points__item {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--moss);
  background: rgba(14, 42, 34, 0.55);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 22px;
  align-items: start;
}

/* ---------- 表单卡片 ---------- */
.page-contact .contact-form {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(45, 156, 255, 0.16), transparent 60%),
    linear-gradient(180deg, var(--ink-3), var(--ink-2));
  box-shadow: var(--shadow);
}

.page-contact .contact-form::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--flare), var(--flare-soft));
}

.page-contact .contact-form__head {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.page-contact .contact-form__sub {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--moss);
}

.page-contact .field {
  display: grid;
  gap: 7px;
  margin-bottom: 18px;
}

.page-contact .field > label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 13px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(11, 15, 14, 0.62);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .field textarea {
  min-height: 132px;
  border-radius: var(--r-lg);
  resize: vertical;
}

.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: rgba(138, 163, 154, 0.85);
}

.page-contact .field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ice) 50%), linear-gradient(135deg, var(--ice) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 46px;
}

.page-contact .field select option {
  background: var(--ink-2);
  color: var(--paper);
}

.page-contact .field input:focus-visible,
.page-contact .field select:focus-visible,
.page-contact .field textarea:focus-visible {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(45, 156, 255, 0.22);
}

.page-contact .field input:not(:placeholder-shown):invalid {
  border-color: var(--flare);
  box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.18);
}

.page-contact .field__hint {
  padding-left: 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--moss);
}

.page-contact .field__hint--warn {
  color: var(--amber);
}

.page-contact .contact-form__submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 15px 34px;
  border: 0;
  border-radius: var(--r-pill);
  background: var(--flare);
  color: #0B0F0E;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-form__submit:hover {
  background: var(--flare-soft);
  transform: translateY(-2px);
}

.page-contact .contact-form__submit:focus-visible {
  outline: 3px solid var(--ice);
  outline-offset: 3px;
}

.page-contact .contact-form__foot {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 信息牌 ---------- */
.page-contact .contact-side {
  display: grid;
  gap: 18px;
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--fb-panel-bg);
}

.page-contact .contact-card__title {
  margin-bottom: 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 23px);
  color: var(--paper);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-card__value--mail {
  color: var(--ice);
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-body);
  font-weight: 600;
  word-break: normal;
}

.page-contact .contact-card__note {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--moss);
}

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

.page-contact figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 类型切换 ---------- */
.page-contact .fb-switch {
  position: relative;
}

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

.page-contact .fb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-contact .fb-chip {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--fb-panel-bg);
  color: var(--paper);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .fb-chip:hover {
  border-color: var(--flare);
  color: var(--flare);
}

.page-contact #fb-check:checked ~ .fb-chips label[for="fb-check"],
.page-contact #fb-data:checked ~ .fb-chips label[for="fb-data"],
.page-contact #fb-file:checked ~ .fb-chips label[for="fb-file"],
.page-contact #fb-coop:checked ~ .fb-chips label[for="fb-coop"] {
  background: var(--flare);
  border-color: var(--flare);
  color: #0B0F0E;
}

.page-contact .fb-panel {
  display: none;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--fb-panel-bg-2), var(--fb-panel-bg));
}

.page-contact #fb-check:checked ~ .fb-panels .fb-panel--check,
.page-contact #fb-data:checked ~ .fb-panels .fb-panel--data,
.page-contact #fb-file:checked ~ .fb-panels .fb-panel--file,
.page-contact #fb-coop:checked ~ .fb-panels .fb-panel--coop {
  display: block;
}

.page-contact .fb-panel__grid {
  display: grid;
  gap: 22px;
}

.page-contact .fb-panel__main {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .fb-panel__main p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.88;
}

.page-contact .fb-panel__side {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 18px;
  border-radius: var(--r-md);
  background: rgba(11, 15, 14, 0.5);
  border-left: 3px solid var(--blue);
}

.page-contact .fb-panel__side-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-contact .fb-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .fb-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .fb-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ice);
}

.page-contact .fb-panel__process {
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
}

/* ---------- 回复节奏 ---------- */
.page-contact .cadence {
  display: grid;
  gap: 16px;
}

.page-contact .cadence__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--fb-panel-bg);
}

.page-contact .cadence__card--flare {
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  border-color: rgba(255, 77, 46, 0.45);
}

.page-contact .cadence__title {
  font-size: clamp(17px, 2.2vw, 21px);
}

.page-contact .cadence__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
  word-break: break-all;
}

.page-contact .cadence__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .clock {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.page-contact .clock__sep {
  color: var(--flare);
}

.page-contact .cadence__foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 通信与到访 ---------- */
.page-contact .visit {
  display: grid;
  gap: 24px;
  align-items: center;
}

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

.page-contact .visit__body {
  display: grid;
  gap: 14px;
}

.page-contact .visit__body p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .visit__addr {
  display: grid;
  gap: 6px;
  margin: 4px 0 0;
  padding: 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--flare);
  background: var(--fb-panel-bg);
  font-style: normal;
}

.page-contact .visit__addr-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .visit__addr-value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .visit__links {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit__links li {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  display: grid;
  gap: 14px;
}

.page-contact .faq-item h3 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(15.5px, 2vw, 18px);
  color: var(--paper);
}

.page-contact .faq-item .drawer__btn {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.page-contact .faq-item .mono {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--flare);
}

.page-contact .drawer__body p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .faq-foot {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 700px) {
  .page-contact .fb-panel__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
  }
}

@media (min-width: 860px) {
  .page-contact .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .visit {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 28px;
  }

  .page-contact .contact-hero__head {
    padding-block: 10px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-form__submit,
  .page-contact .fb-chip,
  .page-contact .link-ice {
    transition: none;
  }

  .page-contact .contact-form__submit:hover {
    transform: none;
  }
}
</main>