.page-contact {
  --reveal-delay: 0s;
  overflow-x: hidden;
  background: var(--c-bg);
  color: var(--c-silver);
}
.page-contact .contact-shell {
  width: min(1180px, 100% - 40px);
  margin-inline: auto;
}
.page-contact ::selection {
  background: rgba(122, 90, 248, 0.35);
  color: var(--c-paper);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 36px 0 56px;
  background:
    radial-gradient(circle at 10% 15%, rgba(122, 90, 248, 0.18), transparent 42%),
    linear-gradient(180deg, var(--c-bg-deep) 0%, var(--c-bg) 100%);
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-violet), transparent);
  pointer-events: none;
}
.page-contact .contact-hero__media {
  position: relative;
  max-width: 440px;
  margin: 0 auto 44px;
}
.page-contact .contact-hero__media::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  background: repeating-linear-gradient(135deg, rgba(122, 90, 248, 0.18) 0 1px, transparent 1px 8px);
  clip-path: var(--clip-corner);
  z-index: 0;
  pointer-events: none;
}
.page-contact .contact-hero__img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
  clip-path: var(--clip-corner);
}
.page-contact .contact-hero__ring {
  position: absolute;
  z-index: 2;
  right: -18px;
  top: 22px;
  width: 112px;
  height: 112px;
  opacity: 0.72;
  color: var(--c-gold);
  pointer-events: none;
}
.page-contact .contact-hero__label {
  position: absolute;
  z-index: 2;
  left: 18px;
  bottom: 16px;
  padding: 6px 12px;
  background: var(--c-bg);
  border-left: 3px solid var(--c-red);
  color: var(--c-paper);
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.page-contact .contact-hero__content {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero__content .breadcrumb {
  margin-bottom: 20px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.18;
  color: var(--c-silver);
}
.page-contact .contact-hero__lead {
  margin: 0 0 28px;
  font-size: var(--fs-body);
  line-height: 1.95;
  color: var(--c-silver-dim);
  max-width: 58ch;
}
.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding: 64px 0 72px;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-deep) 100%);
  border-top: 1px solid rgba(224, 230, 237, 0.06);
}
.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 64px;
  background: linear-gradient(180deg, rgba(122, 90, 248, 0.16), transparent 55%);
  pointer-events: none;
}
.page-contact .contact-channels__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 36px;
}
.page-contact .contact-channels__index,
.page-contact .contact-hours__index,
.page-contact .contact-scope__index,
.page-contact .contact-visit__index,
.page-contact .contact-form-section__index {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--c-red);
  flex-shrink: 0;
}
.page-contact .contact-channels h2,
.page-contact .contact-hours h2,
.page-contact .contact-scope h2,
.page-contact .contact-visit h2,
.page-contact .contact-form-section h2 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
  line-height: 1.3;
}
.page-contact .contact-channels h2 {
  color: var(--c-silver);
}
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .channel-card {
  --c-card-bg: #132232;
  position: relative;
  padding: 34px 24px 28px;
  background: linear-gradient(155deg, var(--c-bg-raised) 0%, var(--c-card-bg) 100%);
  border: 1px solid var(--c-teal);
  clip-path: var(--clip-corner);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122, 90, 248, 0.7);
}
.page-contact .channel-card__index {
  position: absolute;
  right: 18px;
  top: 18px;
  font-family: var(--font-index);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: rgba(122, 90, 248, 0.2);
  pointer-events: none;
}
.page-contact .channel-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--c-silver);
  background: rgba(224, 230, 237, 0.06);
  border: 1px solid rgba(224, 230, 237, 0.18);
  clip-path: var(--clip-corner);
}
.page-contact .channel-card__icon svg {
  width: 24px;
  height: 24px;
}
.page-contact .channel-card__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-silver);
}
.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-index);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-violet-glow);
  overflow-wrap: anywhere;
}
.page-contact .channel-card:nth-child(2) .channel-card__value {
  color: var(--c-red);
}
.page-contact .channel-card:nth-child(3) .channel-card__value {
  color: var(--c-gold);
}
.page-contact .channel-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-silver-dim);
}

/* ---------- 工作时间 + 咨询范围 ---------- */
.page-contact .contact-duo {
  padding: 64px 0 72px;
  background: var(--c-bg-deep);
}
.page-contact .contact-duo__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: stretch;
}
.page-contact .contact-hours,
.page-contact .contact-scope {
  padding: 32px 24px;
  clip-path: var(--clip-corner);
}
.page-contact .contact-hours {
  background: linear-gradient(155deg, var(--c-bg-raised) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-teal);
  color: var(--c-silver);
}
.page-contact .contact-hours__index {
  display: block;
  margin-bottom: 12px;
}
.page-contact .contact-hours h2 {
  color: var(--c-silver);
  margin: 0 0 16px;
}
.page-contact .contact-hours__track {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 24px;
}
.page-contact .contact-hours__line {
  position: relative;
  flex: 1;
  height: 4px;
  background: var(--c-teal);
}
.page-contact .contact-hours__line-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--c-violet), var(--c-gold));
}
.page-contact .contact-hours__phase {
  font-family: var(--font-index);
  font-size: 13px;
  color: var(--c-gold);
}
.page-contact .contact-hours__list {
  margin: 0 0 20px;
  padding: 0;
}
.page-contact .contact-hours__item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(224, 230, 237, 0.12);
}
.page-contact .contact-hours__item:last-child {
  border-bottom: none;
}
.page-contact .contact-hours__item dt {
  margin: 0;
  font-size: 13px;
  color: var(--c-silver-dim);
}
.page-contact .contact-hours__item dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-silver);
  text-align: right;
}
.page-contact .contact-hours__note,
.page-contact .contact-scope__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.85;
}
.page-contact .contact-hours__note {
  color: var(--c-silver-dim);
}
.page-contact .contact-scope {
  background:
    repeating-linear-gradient(0deg, rgba(36, 19, 13, 0.03) 0 1px, transparent 1px 6px),
    var(--c-paper);
  color: var(--c-ink);
  border: 1px solid var(--c-paper-deep);
}
.page-contact .contact-scope__index {
  display: block;
  margin-bottom: 12px;
}
.page-contact .contact-scope h2 {
  color: var(--c-ink);
  margin: 0 0 12px;
}
.page-contact .contact-scope__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-scope__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(36, 19, 13, 0.14);
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .contact-scope__list li:last-child {
  border-bottom: none;
}
.page-contact .contact-scope__list .em-num {
  flex-shrink: 0;
  font-family: var(--font-index);
  font-size: 12px;
  color: var(--c-red);
}
.page-contact .contact-scope__note {
  color: var(--c-ink-soft);
  margin-top: 18px;
}

/* ---------- 来访指引 ---------- */
.page-contact .contact-visit {
  position: relative;
  padding: 64px 0 72px;
  background: var(--c-bg);
  border-block: 1px solid rgba(224, 230, 237, 0.06);
  overflow: hidden;
}
.page-contact .contact-visit::before {
  content: "";
  position: absolute;
  right: -80px;
  top: 16%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 90, 248, 0.16), transparent 65%);
  pointer-events: none;
}
.page-contact .contact-visit__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
.page-contact .contact-visit__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner);
}
.page-contact .contact-visit__info {
  position: relative;
  padding: 30px 26px;
  background:
    repeating-linear-gradient(135deg, rgba(36, 19, 13, 0.03) 0 1px, transparent 1px 10px),
    var(--c-paper);
  color: var(--c-ink);
  border: 1px solid var(--c-paper-deep);
  clip-path: var(--clip-corner);
}
.page-contact .contact-visit__index {
  display: block;
  margin-bottom: 12px;
}
.page-contact .contact-visit h2 {
  color: var(--c-ink);
  margin: 0 0 14px;
}
.page-contact .contact-visit__info address {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-style: normal;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.55;
  color: var(--c-ink);
}
.page-contact .contact-visit__notice,
.page-contact .contact-visit__extra {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}
.page-contact .contact-visit__info .btn {
  margin-top: 10px;
}

/* ---------- 表单 ---------- */
.page-contact .contact-form-section {
  position: relative;
  padding: 72px 0 84px;
  background:
    repeating-linear-gradient(0deg, rgba(36, 19, 13, 0.03) 0 1px, transparent 1px 7px),
    var(--c-paper);
}
.page-contact .contact-form-section::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-red) 0 14%, var(--c-gold) 14% 29%, var(--c-ink) 29% 54%, var(--c-violet) 54% 100%);
}
.page-contact .contact-form-section__head {
  max-width: 860px;
  margin-bottom: 28px;
  color: var(--c-ink);
}
.page-contact .contact-form-section__index {
  display: block;
  margin-bottom: 12px;
}
.page-contact .contact-form-section h2 {
  color: var(--c-ink);
  margin: 0 0 8px;
}
.page-contact .contact-form-section__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}
.page-contact .contact-form {
  max-width: 860px;
  padding: 28px 22px;
  background: #fffaf2;
  border: 1px solid var(--c-paper-deep);
  clip-path: var(--clip-corner);
}
.page-contact .contact-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .contact-form__field {
  position: relative;
  margin-bottom: 18px;
}
.page-contact .contact-form__input {
  width: 100%;
  border: 1px solid var(--c-paper-deep);
  border-radius: 0;
  background: #fffaf2;
  padding: 26px 14px 8px;
  font-size: 15px;
  color: var(--c-ink);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.page-contact .contact-form__input:focus {
  outline: none;
  border-color: var(--c-violet);
  box-shadow: 0 0 0 3px rgba(122, 90, 248, 0.16);
}
.page-contact .contact-form__input::placeholder {
  color: transparent;
}
.page-contact .contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}
.page-contact .contact-form__label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--c-ink-soft);
  pointer-events: none;
  transition: top var(--transition-fast), transform var(--transition-fast), font-size var(--transition-fast), color var(--transition-fast);
}
.page-contact .contact-form__textarea + .contact-form__label {
  top: 18px;
  transform: none;
}
.page-contact .contact-form__input:focus + .contact-form__label,
.page-contact .contact-form__input:not(:placeholder-shown) + .contact-form__label {
  top: 10px;
  transform: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-violet);
  font-weight: 600;
}
.page-contact .contact-form__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.page-contact .contact-form__note {
  max-width: 46ch;
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}
.page-contact .contact-form__note a {
  color: var(--c-violet);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .sent-block {
  margin-top: 8px;
}
.page-contact .sent-block summary {
  display: inline-block;
  list-style: none;
  cursor: pointer;
}
.page-contact .sent-block summary::-webkit-details-marker {
  display: none;
}
.page-contact .sent-block summary:hover {
  filter: brightness(1.08);
}
.page-contact .sent-block[open] summary {
  background: var(--c-ink);
  border-color: var(--c-ink);
}
.page-contact .sent-block__msg {
  margin: 12px 0 0;
  padding: 16px 18px;
  background: var(--c-bg);
  color: var(--c-silver);
  border-left: 4px solid var(--c-gold);
  font-size: 13px;
  line-height: 1.9;
  clip-path: var(--clip-corner);
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 760px) {
  .page-contact .channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: start;
  }
  .page-contact .channel-card:nth-child(2) {
    margin-top: 28px;
  }
  .page-contact .channel-card:nth-child(3) {
    margin-top: 56px;
  }
  .page-contact .contact-duo__grid {
    grid-template-columns: 5fr 7fr;
    gap: 26px;
  }
  .page-contact .contact-form__row {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-hero__media {
    margin-bottom: 0;
  }
  .page-contact .contact-form {
    padding: 34px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 56px 0 88px;
  }
  .page-contact .contact-hero .contact-shell {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .contact-hero__media {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }
  .page-contact .contact-hero__content {
    padding-top: 12px;
  }
  .page-contact .contact-channels,
  .page-contact .contact-duo,
  .page-contact .contact-visit {
    padding-top: 80px;
    padding-bottom: 88px;
  }
  .page-contact .contact-visit__inner {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
  }
  .page-contact .contact-form-section {
    padding-top: 88px;
    padding-bottom: 96px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-form__input,
  .page-contact .contact-form__label {
    transition: none !important;
  }
  .page-contact .contact-hero__img,
  .page-contact .contact-visit__media img {
    clip-path: none;
  }
}