.page-contact {
  --ct-cut: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  --ct-cut-sm: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  --ct-line: rgba(42, 69, 112, 0.62);
  --ct-line-hot: rgba(40, 224, 224, 0.42);
  --ct-panel-bg: linear-gradient(155deg, rgba(18, 48, 92, 0.92), rgba(7, 26, 56, 0.97));
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: 28px 0 46px;
  background:
    radial-gradient(115% 88% at 102% -6%, rgba(255, 77, 28, 0.24), transparent 56%),
    radial-gradient(95% 80% at -8% 108%, rgba(40, 224, 224, 0.17), transparent 60%),
    var(--sea-900);
}

.page-contact .ct-hero__inner {
  position: relative;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero h1 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 66px);
  line-height: 1.06;
  color: var(--foam);
  overflow-wrap: break-word;
}

.page-contact .ct-hero .lede {
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-hero__points {
  margin-top: 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-hero__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-dim-2);
}

.page-contact .ct-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .ct-hero__aside {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(12, 34, 70, 0.6);
}

.page-contact .ct-hero__aside-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-contact .ct-jump {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px;
  color: var(--foam);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 69, 112, 0.5);
  transition: background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .ct-jump:last-child {
  border-bottom: 0;
}

.page-contact .ct-jump:hover,
.page-contact .ct-jump:focus-visible {
  background: rgba(40, 224, 224, 0.12);
  transform: translateX(4px);
}

.page-contact .ct-jump__idx {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-soft);
}

.page-contact .ct-jump__label {
  font-size: 15px;
  line-height: 1.45;
}

/* ---------- 通道对比 ---------- */

.page-contact .ct-channels-sec .lede {
  max-width: 62ch;
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 20px 22px;
  background: var(--ct-panel-bg);
  box-shadow: inset 0 0 0 1px var(--ct-line);
  clip-path: var(--ct-cut);
}

.page-contact .ct-channel--hot {
  box-shadow: inset 0 0 0 1px var(--ct-line-hot);
  background:
    linear-gradient(155deg, rgba(255, 77, 28, 0.14), transparent 42%),
    var(--ct-panel-bg);
}

.page-contact .ct-channel__top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--foam);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-contact .ct-channel__rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-channel__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(42, 69, 112, 0.45);
}

.page-contact .ct-channel__row dt {
  font-size: 13px;
  color: var(--text-dim-2);
}

.page-contact .ct-channel__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--foam);
}

.page-contact .ct-channel__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px dashed rgba(42, 69, 112, 0.7);
}

.page-contact .ct-mail {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-copy {
  flex: none;
}

.page-contact .ct-figure {
  position: relative;
  margin: 26px 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: rgba(12, 34, 70, 0.7);
  clip-path: var(--ct-cut-sm);
}

.page-contact .ct-figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .ct-figure__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--foam);
  background: rgba(7, 26, 56, 0.86);
  border-left: 3px solid var(--orange);
}

/* ---------- 工单材料 ---------- */

.page-contact .ct-tickets .lede {
  max-width: 60ch;
}

.page-contact .ct-desk {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-contact .ct-pad {
  padding: 22px 20px;
  background: var(--ct-panel-bg);
  box-shadow: inset 0 0 0 1px var(--ct-line);
  clip-path: var(--ct-cut);
}

.page-contact .ct-pad__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-contact .ct-pad__body {
  display: grid;
  gap: 11px;
  padding: 16px 14px;
  background: rgba(7, 26, 56, 0.72);
  border-left: 2px solid var(--orange);
}

.page-contact .ct-pad__line {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--foam);
  white-space: normal;
}

.page-contact .ct-pad__dash {
  display: inline-block;
  width: 46%;
  height: 1px;
  vertical-align: middle;
  border-bottom: 1px dashed rgba(159, 182, 214, 0.55);
}

.page-contact .ct-pad__copy {
  margin-top: 16px;
}

.page-contact .ct-desk__hint {
  margin: 12px 2px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim-2);
}

.page-contact .ct-material {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-material__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name flag"
    "num text text";
  gap: 6px 14px;
  padding: 16px 18px;
  background: rgba(12, 34, 70, 0.55);
  border-left: 3px solid var(--mist);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .ct-material__item:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 48, 92, 0.7);
}

.page-contact .ct-material__num {
  grid-area: num;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--neon);
  line-height: 1.1;
}

.page-contact .ct-material__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--foam);
}

.page-contact .ct-material__flag {
  grid-area: flag;
  justify-self: start;
  align-self: center;
}

.page-contact .ct-material__flag--opt {
  background: rgba(42, 69, 112, 0.8);
  color: var(--text-dim);
}

.page-contact .ct-material__text {
  grid-area: text;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 换设备 ---------- */

.page-contact .ct-device__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-device .section-title {
  color: var(--ink);
}

.page-contact .ct-device .eyebrow {
  color: var(--orange);
}

.page-contact .ct-device__lead .section-title {
  margin: 10px 0 14px;
}

.page-contact .ct-device__text {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-device__card {
  padding: 24px 22px;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(7, 26, 56, 0.08), inset 0 0 0 1px rgba(42, 69, 112, 0.18);
  clip-path: var(--ct-cut);
}

.page-contact .ct-device__card-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .ct-device__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-device__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .ct-device__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--neon);
}

.page-contact .ct-device__txt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .ct-device__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(42, 69, 112, 0.35);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 自助入口 ---------- */

.page-contact .ct-help__grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .ct-help__card {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  text-decoration: none;
  background: var(--ct-panel-bg);
  box-shadow: inset 0 0 0 1px var(--ct-line);
  clip-path: var(--ct-cut);
}

.page-contact .ct-help__num {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: rgba(40, 224, 224, 0.55);
}

.page-contact .ct-help__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--foam);
}

.page-contact .ct-help__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-help__go {
  margin-top: 4px;
  font-size: 13px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(40, 224, 224, 0.4);
  justify-self: start;
}

.page-contact .ct-help__card:hover .ct-help__go,
.page-contact .ct-help__card:focus-visible .ct-help__go {
  border-bottom-color: var(--cyan);
}

/* ---------- 联系方式 ---------- */

.page-contact .ct-contact .section-title {
  color: var(--ink);
}

.page-contact .ct-contact .eyebrow {
  color: var(--orange);
}

.page-contact .ct-contact .lede {
  max-width: 58ch;
  color: var(--ink-soft);
}

.page-contact .ct-contact__grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .ct-contact__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(7, 26, 56, 0.08), inset 0 0 0 1px rgba(42, 69, 112, 0.18);
  clip-path: var(--ct-cut);
}

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

.page-contact .ct-contact__val {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-contact .ct-contact__val--mail {
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--bridge);
}

.page-contact .ct-contact__val--num {
  font-family: var(--font-num);
  font-size: 24px;
  letter-spacing: 0.04em;
}

.page-contact .ct-contact__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .ct-contact__card .copy-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 响应节奏 ---------- */

.page-contact .ct-response .lede {
  max-width: 58ch;
}

.page-contact .ct-scale {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 24px 20px;
  background: rgba(12, 34, 70, 0.55);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-scale__row {
  display: grid;
  gap: 8px;
}

.page-contact .ct-scale__label {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--foam);
}

.page-contact .ct-scale__bar {
  position: relative;
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(42, 69, 112, 0.6);
  overflow: hidden;
}

.page-contact .ct-scale__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--neon), var(--orange));
}

.page-contact .ct-scale__fill--a { width: 84%; }
.page-contact .ct-scale__fill--b { width: 58%; }
.page-contact .ct-scale__fill--c { width: 38%; }
.page-contact .ct-scale__fill--d { width: 22%; }

.page-contact .ct-scale__val {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim-2);
}

.page-contact .ct-response__tips {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .ct-response__tips p {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-response__tips p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 520px) {
  .page-contact .ct-channel__row {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .page-contact .ct-material__item {
    grid-template-areas:
      "num name"
      "num flag"
      "num text";
  }

  .page-contact .ct-material__flag {
    justify-self: start;
  }

  .page-contact .ct-pad__dash {
    width: 38%;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 760px) {
  .page-contact .ct-hero {
    padding: 40px 0 60px;
  }

  .page-contact .ct-hero__aside {
    padding: 22px 20px;
  }

  .page-contact .ct-channel-grid,
  .page-contact .ct-help__grid,
  .page-contact .ct-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-channel-grid {
    gap: 22px;
  }

  .page-contact .ct-device__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 40px;
  }

  .page-contact .ct-scale__row {
    grid-template-columns: 210px minmax(0, 1fr) 190px;
    align-items: center;
    gap: 18px;
  }

  .page-contact .ct-scale__val {
    text-align: right;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.82fr);
    align-items: end;
    gap: 56px;
  }

  .page-contact .ct-hero__aside {
    margin-top: 84px;
  }

  .page-contact .ct-channel {
    padding: 30px 26px 26px;
  }

  .page-contact .ct-figure {
    margin-top: 34px;
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-desk {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.35fr);
    align-items: start;
    gap: 40px;
  }

  .page-contact .ct-desk__side {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-contact .ct-figure--wide {
    margin-top: 0;
  }

  .page-contact .ct-material {
    margin-top: 18px;
  }

  .page-contact .ct-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-jump,
  .page-contact .ct-material__item {
    transition: none;
  }
}