/* ===== 联系页 · 页面专属样式 ===== */
.page-contact {
  --contact-radius: .5rem;
  --contact-gap: 1rem;
  --contact-pad: 1.5rem;
  background: var(--paper);
  color: var(--graphite);
  overflow-x: hidden;
}

.page-contact .tif-breadcrumb {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  padding-top: 1.5rem;
  margin-bottom: 0;
  font-size: .875rem;
}
.page-contact .tif-breadcrumb a { color: var(--steel); text-decoration: none; transition: color .2s ease; }
.page-contact .tif-breadcrumb a:hover { color: var(--red); }
.page-contact .tif-breadcrumb span[aria-current="page"] { color: var(--ink); font-weight: 600; }

.page-contact .contact-page-head {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(1rem, 3vw, 2rem);
}
.page-contact .contact-page-head::before {
  content: "";
  position: absolute;
  top: -4rem;
  right: -4rem;
  width: 40%;
  height: 120%;
  background: linear-gradient(135deg, rgba(212, 0, 0, .14), transparent 65%);
  transform: skewX(-14deg);
  z-index: 0;
  pointer-events: none;
}
.page-contact .contact-page-head .tif-container { position: relative; z-index: 1; }
.page-contact .contact-page-head h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.12;
  color: var(--ink);
  max-width: 24ch;
  margin-bottom: 1rem;
  letter-spacing: -.02em;
}
.page-contact .contact-page-head .tif-lead {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.7;
  max-width: 52rem;
  color: var(--graphite);
}

.page-contact .contact-main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: 1rem;
}
.page-contact .contact-primary-col,
.page-contact .contact-secondary-col {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vw, 3rem);
  min-width: 0;
}

.page-contact .contact-panel { padding: 0; }
.page-contact .tif-section-head { margin-bottom: 1.5rem; }

/* ===== 01 联系卡片 ===== */
.page-contact .contact-cards-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}
.page-contact .contact-glass-card,
.page-contact .contact-address-card {
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--soft);
  border-radius: var(--contact-radius);
  box-shadow: 0 1rem 2.4rem rgba(26, 27, 28, .05);
  padding: clamp(1.25rem, 3vw, 2rem);
  position: relative;
  min-width: 0;
}
.page-contact .contact-dark-card {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--contact-radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  position: relative;
  box-shadow: 0 1rem 2.4rem rgba(26, 27, 28, .18);
  min-width: 0;
}
.page-contact .contact-tile-num {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .875rem;
  letter-spacing: .08em;
  color: rgba(26, 27, 28, .25);
}
.page-contact .contact-dark-card .contact-tile-num { color: rgba(255, 255, 255, .3); }
.page-contact .contact-card-title {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-size: .875rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.page-contact .contact-card-value {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 1rem;
  word-break: break-word;
}
.page-contact .contact-dark-card .contact-card-value { color: var(--white); }
.page-contact .contact-card-note {
  font-size: .8125rem;
  color: var(--steel);
  margin: .75rem 0 0;
  line-height: 1.6;
}
.page-contact .contact-dark-card .contact-card-note { color: rgba(255, 255, 255, .62); }
.page-contact .contact-address-figure {
  margin: 1.25rem 0 0;
  border-radius: calc(var(--contact-radius) - .25rem);
  overflow: hidden;
  aspect-ratio: 8 / 5;
  background: var(--soft);
}
.page-contact .contact-address-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 02 地图面板 ===== */
.page-contact .contact-map-panel {
  background: var(--ink);
  border-radius: var(--contact-radius);
  padding: clamp(.75rem, 2vw, 1.25rem);
  box-shadow: 0 1.4rem 3rem rgba(26, 27, 28, .16);
}
.page-contact .contact-map-canvas {
  position: relative;
  border-radius: calc(var(--contact-radius) - .25rem);
  overflow: hidden;
}
.page-contact .contact-map-svg { display: block; width: 100%; height: auto; }
.page-contact .contact-map-marker circle:first-child {
  transform-origin: 860px 330px;
  animation: contact-map-pulse 3s ease-out infinite;
}
@keyframes contact-map-pulse {
  0% { transform: scale(.85); opacity: .9; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(.85); opacity: .9; }
}
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-map-marker circle:first-child { animation: none; }
}
.page-contact .contact-map-pin {
  position: absolute;
  left: 71.7%;
  top: 51.6%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  pointer-events: none;
}
.page-contact .contact-map-pin__dot {
  width: .5rem;
  height: .5rem;
  border: 2px solid var(--white);
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 0 .35rem rgba(212, 0, 0, .35);
}
.page-contact .contact-map-pin__label {
  background: var(--white);
  color: var(--ink);
  font-size: .6875rem;
  font-weight: 700;
  padding: .375rem .75rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .3);
  opacity: 0;
  transform: translateY(.25rem);
  transition: opacity .25s ease, transform .25s ease;
}
.page-contact .contact-map-canvas:hover .contact-map-pin__label,
.page-contact .contact-map-canvas:focus-within .contact-map-pin__label {
  opacity: 1;
  transform: translateY(0);
}
.page-contact .contact-map-hint {
  position: absolute;
  right: .75rem;
  bottom: .75rem;
  color: rgba(255, 255, 255, .65);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.page-contact .contact-map-meta {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  align-items: flex-start;
  padding: 1rem .25rem 0;
}
.page-contact .contact-map-address {
  margin: 0;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--white);
}
.page-contact .contact-map-note {
  margin: 0;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .58);
}
.page-contact .contact-map-meta .tif-btn--ghost {
  border-color: rgba(255, 255, 255, .4);
  color: var(--white);
  margin-top: .25rem;
}
.page-contact .contact-map-meta .tif-btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

/* ===== 03 反馈表单 ===== */
.page-contact .contact-form-panel {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
}
.page-contact .contact-form {
  background: var(--white);
  border: 1px solid var(--soft);
  border-radius: var(--contact-radius);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  box-shadow: 0 1.5rem 4rem rgba(26, 27, 28, .08);
  display: grid;
  gap: 1.25rem;
  align-content: start;
}
.page-contact .contact-form-field {
  display: grid;
  gap: .5rem;
  min-width: 0;
}
.page-contact .contact-form-field label {
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--graphite);
}
.page-contact .contact-form-field input,
.page-contact .contact-form-field select,
.page-contact .contact-form-field textarea {
  width: 100%;
  border: 1px solid rgba(212, 0, 0, .35);
  border-radius: .375rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: .8125rem .9375rem;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.page-contact .contact-form-field textarea { resize: vertical; min-height: 7.5rem; }
.page-contact .contact-form-field input:focus,
.page-contact .contact-form-field select:focus,
.page-contact .contact-form-field textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(212, 0, 0, .14);
  background: var(--white);
}
.page-contact .contact-form-field input::placeholder,
.page-contact .contact-form-field textarea::placeholder { color: #a69d8e; }
.page-contact .contact-form-field input:invalid:not(:placeholder-shown),
.page-contact .contact-form-field textarea:invalid:not(:placeholder-shown) {
  border-color: var(--red);
  background: #fff8f8;
}
.page-contact .contact-form-field select:invalid { border-color: var(--red); }
.page-contact .contact-form-field input:valid:not(:placeholder-shown),
.page-contact .contact-form-field textarea:valid:not(:placeholder-shown) {
  border-color: rgba(201, 160, 99, .7);
}
.page-contact .contact-form-field select:valid { border-color: rgba(201, 160, 99, .7); }
.page-contact .contact-form-error {
  display: none;
  margin: 0;
  font-size: .75rem;
  color: var(--red-dark);
}
.page-contact .contact-form-field input:invalid:not(:placeholder-shown) + .contact-form-error,
.page-contact .contact-form-field textarea:invalid:not(:placeholder-shown) + .contact-form-error {
  display: block;
}
.page-contact .contact-form-submit { justify-self: start; }
.page-contact .contact-form-note {
  margin: 0;
  font-size: .8125rem;
  color: var(--steel);
  line-height: 1.6;
}

/* ===== 03 右侧辅助卡片 ===== */
.page-contact .contact-aside {
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--soft);
  border-radius: var(--contact-radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: .875rem;
}
.page-contact .contact-support-visual {
  border-radius: calc(var(--contact-radius) - .25rem);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--soft);
}
.page-contact .contact-support-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .contact-aside .tif-chip { margin-right: auto; }
.page-contact .contact-aside-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
}
.page-contact .contact-aside-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--graphite);
}
.page-contact .contact-support-stats {
  list-style: none;
  margin: .25rem 0 0;
  padding: .85rem 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  border-top: 1px solid rgba(26, 27, 28, .08);
  border-bottom: 1px solid rgba(26, 27, 28, .08);
}
.page-contact .contact-support-stats strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--red);
}
.page-contact .contact-support-stats span {
  display: block;
  font-size: .75rem;
  color: var(--steel);
  margin-top: .25rem;
}
.page-contact .contact-aside-divider { height: 1px; background: var(--soft); }
.page-contact .contact-aside-steps {
  list-style: none;
  margin: 0 0 .25rem;
  padding: 0;
  display: grid;
  gap: .8125rem;
}
.page-contact .contact-aside-steps li {
  display: flex;
  gap: .75rem;
  align-items: baseline;
  color: var(--graphite);
  font-size: .9375rem;
}
.page-contact .contact-aside-steps span {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--red);
}
.page-contact .contact-aside-tip {
  margin: .375rem 0 0;
  padding: .9375rem 1rem;
  background: rgba(201, 160, 99, .18);
  border-left: 3px solid var(--gold);
  color: var(--graphite);
  font-size: .875rem;
  line-height: 1.6;
}
.page-contact .contact-aside-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .25rem;
}

/* ===== 响应式栅格 ===== */
@media (min-width: 40rem) {
  .page-contact .contact-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-address-card {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    column-gap: 1.5rem;
    align-items: center;
  }
  .page-contact .contact-address-card .contact-address-figure {
    grid-column: 2 / 3;
    grid-row: 1 / 4;
    margin: 0;
  }
}

@media (min-width: 62.5rem) {
  .page-contact .contact-main-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .contact-form-wrap {
    grid-template-columns: 1fr;
  }
}