/* ============ 联系与反馈 · 页面专属样式 ============ */

.page-contact {
  --c-radius: 0;
  background: var(--paper);
  color: var(--t-paper);
}

/* ---------- 深色开场 ---------- */
.page-contact .c-hero {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(30, 91, 255, .22), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  position: relative;
  overflow: hidden;
}
.page-contact .c-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 12%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(56, 242, 214, .18);
  border-radius: 50%;
  pointer-events: none;
}
.page-contact .c-hero__inner {
  position: relative;
  z-index: 1;
}
.page-contact .c-head {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0 clamp(48px, 7vw, 84px);
}
.page-contact .c-kicker {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin-bottom: 22px;
}
.page-contact .c-h1 {
  font-size: clamp(44px, 7.4vw, 104px);
  line-height: .98;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--t-ink);
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 12ch;
}
.page-contact .c-lead {
  max-width: 44ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.85;
  color: var(--t-ink);
  opacity: .82;
  margin: 0;
}
.page-contact .c-anno {
  position: absolute;
  right: 0;
  top: clamp(48px, 8vw, 96px);
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  opacity: .68;
}
@media (max-width: 900px) {
  .page-contact .c-anno { display: none; }
}

/* ---------- 01 · 反馈类型 ---------- */
.page-contact .c-types {
  padding-bottom: clamp(48px, 7vw, 88px);
}
.page-contact .c-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.page-contact .c-chip {
  appearance: none;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 13px 20px;
  min-height: 44px;
  border-radius: var(--c-radius);
  border: 1px solid var(--line-c);
  background: transparent;
  color: var(--t-paper);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .c-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.page-contact .c-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .c-chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}
.page-contact .c-chip[aria-pressed="true"]:hover {
  background: var(--orange-hi);
  border-color: var(--orange-hi);
  color: var(--ink);
}
.page-contact .c-hint {
  margin: 20px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

/* ---------- 02 · 表单 + 侧栏 ---------- */
.page-contact .c-form-sec {
  padding-top: 0;
  padding-bottom: clamp(56px, 8vw, 100px);
}
.page-contact .c-form-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-contact .c-form-main .section__head {
  margin-bottom: 26px;
}
.page-contact .c-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border-top: 1px solid var(--line-c);
  padding-top: 26px;
}
.page-contact .c-field {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
}
.page-contact .c-field__label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-contact .c-static {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line-c);
  background: var(--card-bg);
  font-size: 15px;
  font-weight: 600;
  color: var(--t-paper);
}
.page-contact .c-input,
.page-contact .c-textarea {
  appearance: none;
  width: 100%;
  font: inherit;
  font-size: 15px;
  line-height: 1.6;
  padding: 12px 14px;
  border: 1px solid var(--line-c);
  border-radius: var(--c-radius);
  background: var(--paper);
  color: var(--t-paper);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.page-contact .c-textarea {
  min-height: 128px;
  resize: vertical;
}
.page-contact .c-input::placeholder,
.page-contact .c-textarea::placeholder {
  color: var(--stone);
}
.page-contact .c-input:focus,
.page-contact .c-textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 242, 214, .28);
}
.page-contact .c-upload {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 18px;
  border: 1px dashed var(--stone);
  background: var(--paper);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.page-contact .c-upload:hover {
  border-color: var(--cyan);
  background: var(--card-bg);
}
.page-contact .c-upload__mark {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--stone);
  font-size: 18px;
  line-height: 1;
  color: var(--blue);
}
.page-contact .c-mini-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .c-mini-chip {
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1;
  border: 1px solid var(--line-c);
  background: var(--card-bg);
  color: var(--t-paper);
}
.page-contact .c-mini-chip.is-on {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(30, 91, 255, .08);
  font-weight: 600;
}

/* 摘要档案卡 */
.page-contact .c-summary {
  margin-top: 32px;
  border: 1px solid var(--line-c);
  background: var(--card-bg);
}
.page-contact .c-summary__head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-c);
  background: var(--paper);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--t-paper);
}
.page-contact .c-summary__hint {
  color: var(--muted);
  font-size: 11px;
}
.page-contact .c-summary__box {
  margin: 0;
  padding: 18px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--t-paper);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .c-figure {
  margin: 32px 0 0;
}

/* 侧栏 */
.page-contact .c-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-contact .c-card {
  position: relative;
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--t-ink);
  padding: 28px 24px 26px;
  overflow: hidden;
}
.page-contact .c-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--cyan);
}
.page-contact .c-card::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(56, 242, 214, .18);
  border-radius: 50%;
  pointer-events: none;
}
.page-contact .c-card__kicker {
  display: block;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin-bottom: 18px;
}
.page-contact .c-card__phone {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--t-ink);
  word-break: break-all;
}
.page-contact .c-card__note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--t-ink);
  opacity: .78;
  position: relative;
  z-index: 1;
}
.page-contact .c-card__mail {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
  padding-top: 16px;
  border-top: 1px solid var(--line-ink);
  position: relative;
  z-index: 1;
}

/* 侧栏进度轨道 */
.page-contact .c-ptrack {
  border: 1px solid var(--line-c);
  background: var(--card-bg);
  padding: 22px 22px 8px;
}
.page-contact .c-ptrack__head {
  margin: 0 0 18px;
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--muted);
}
.page-contact .c-ptrack__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .c-ptrack__item {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  padding-bottom: 20px;
}
.page-contact .c-ptrack__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: var(--line-c);
}
.page-contact .c-ptrack__dot {
  width: 9px;
  height: 9px;
  margin-top: 5px;
  background: var(--paper);
  border: 1px solid var(--stone);
  position: relative;
  z-index: 1;
}
.page-contact .c-ptrack__item.is-current .c-ptrack__dot {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(56, 242, 214, .22);
}
.page-contact .c-ptrack__code {
  display: block;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 2px;
}
.page-contact .c-ptrack__label {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--t-paper);
}
.page-contact .c-ptrack__item.is-current .c-ptrack__label {
  color: var(--blue);
}

@media (min-width: 600px) {
  .page-contact .c-form {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .c-field--wide {
    grid-column: 1 / -1;
  }
}
@media (min-width: 960px) {
  .page-contact .c-form-layout {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: start;
  }
  .page-contact .c-side {
    position: sticky;
    top: 28px;
  }
}

/* ---------- 03 · 进度与时效 ---------- */
.page-contact .c-detail {
  padding-top: 0;
  padding-bottom: clamp(56px, 8vw, 100px);
}
.page-contact .c-track {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
}
.page-contact .c-track__item {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid var(--line-c);
}
.page-contact .c-track__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.page-contact .c-track__dot {
  position: absolute;
  left: -5px;
  top: 2px;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--stone);
}
.page-contact .c-track__item:nth-child(3) .c-track__dot,
.page-contact .c-track__item:nth-child(4) .c-track__dot {
  background: var(--stone);
  border-color: var(--stone);
}
.page-contact .c-track__item:nth-child(1) .c-track__dot,
.page-contact .c-track__item:nth-child(2) .c-track__dot {
  background: var(--blue);
  border-color: var(--blue);
}
.page-contact .c-track__code {
  display: block;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 6px;
}
.page-contact .c-track__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--t-paper);
  margin: 0 0 8px;
}
.page-contact .c-track__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 34ch;
}
@media (min-width: 760px) {
  .page-contact .c-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding-top: 26px;
    border-top: 1px solid var(--line-c);
  }
  .page-contact .c-track__item {
    padding: 0 24px 0 0;
    border-left: 0;
  }
  .page-contact .c-track__item:last-child {
    padding-right: 0;
  }
  .page-contact .c-track__dot {
    left: 0;
    top: -31px;
  }
  .page-contact .c-track__item:nth-child(1) .c-track__dot,
  .page-contact .c-track__item:nth-child(2) .c-track__dot,
  .page-contact .c-track__item:nth-child(3) .c-track__dot,
  .page-contact .c-track__item:nth-child(4) .c-track__dot {
    box-shadow: 0 0 0 4px var(--paper);
  }
}

/* ---------- 04 · 直接联系 ---------- */
.page-contact .c-direct {
  background: var(--paper);
  padding-top: 0;
  padding-bottom: clamp(56px, 8vw, 100px);
}
.page-contact .c-direct__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-c);
  border: 1px solid var(--line-c);
  margin-top: 32px;
}
.page-contact .c-direct__item {
  background: var(--paper);
  padding: 26px 22px;
  min-width: 0;
}
.page-contact .c-direct__key {
  display: block;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--clay);
  margin-bottom: 14px;
  padding-left: 10px;
  border-left: 2px solid var(--clay);
}
.page-contact .c-direct__val {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--t-paper);
  word-break: break-word;
}
.page-contact .c-direct__val--mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  word-break: break-all;
}
.page-contact .c-direct__val--addr {
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.55;
}
.page-contact .c-direct__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .c-direct__note {
  margin: 22px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
@media (min-width: 720px) {
  .page-contact .c-direct__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 05 · 合作与区域服务 ---------- */
.page-contact .c-partner {
  background: var(--card-bg);
  padding-top: clamp(56px, 8vw, 96px);
  padding-bottom: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line-c);
}
.page-contact .c-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-contact .c-partner__text .section__head {
  margin-bottom: 20px;
}
.page-contact .c-partner__p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--t-paper);
  max-width: 52ch;
}
.page-contact .c-partner__cta {
  margin-top: 10px;
}
.page-contact .c-partner__media {
  margin: 0;
}
@media (min-width: 860px) {
  .page-contact .c-partner__grid {
    grid-template-columns: 8fr 4fr;
    gap: 56px;
  }
}

/* ---------- 紧急收口横带 ---------- */
.page-contact .c-emergency {
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(255, 106, 43, .18), transparent 60%),
    var(--ink);
  color: var(--t-ink);
  padding: clamp(52px, 7vw, 88px) 0;
  border-top: 1px solid var(--line-ink);
}
.page-contact .c-emergency__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: baseline;
}
.page-contact .c-emergency__tag {
  justify-self: start;
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--orange);
  padding: 5px 12px;
  font-weight: 600;
}
.page-contact .c-emergency__text {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--t-ink);
  max-width: 24ch;
}
.page-contact .c-emergency__phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
  word-break: break-all;
}
.page-contact .c-emergency__sub {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--t-ink);
  opacity: .72;
}
.page-contact .c-emergency__sub .link {
  color: var(--cyan);
}
@media (min-width: 820px) {
  .page-contact .c-emergency__inner {
    grid-template-columns: 1fr auto;
    column-gap: 40px;
    row-gap: 10px;
  }
  .page-contact .c-emergency__tag {
    grid-column: 1 / -1;
  }
  .page-contact .c-emergency__text {
    grid-column: 1;
  }
  .page-contact .c-emergency__phone {
    grid-column: 2;
    grid-row: 2;
    text-align: right;
  }
  .page-contact .c-emergency__sub {
    grid-column: 1 / -1;
  }
}

/* 图片通用约束 */
.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}
.page-contact .media {
  overflow: hidden;
}
.page-contact .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
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