.page-contact {
  --c-cut: 16px;
  --c-cyan-wash: rgba(56, 242, 200, 0.08);
  --c-amber-wash: rgba(242, 169, 59, 0.10);
  --c-amber-line: rgba(242, 169, 59, 0.26);
  --c-panel-soft: rgba(18, 59, 50, 0.55);
  padding-inline: var(--pad);
  padding-bottom: clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .contact-hero,
.page-contact .contact-desk,
.page-contact .contact-prep,
.page-contact .contact-reach,
.page-contact .contact-surge {
  max-width: var(--maxw);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(26px, 6vw, 64px);
}

.page-contact .contact-hero__frame {
  position: relative;
  padding: clamp(18px, 2.5vw, 32px) clamp(16px, 2.5vw, 30px) clamp(26px, 4vw, 44px);
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-right-color: transparent;
  border-bottom-color: transparent;
  pointer-events: none;
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36%;
  height: 1px;
  background: var(--cyan-deep);
  opacity: 0.6;
}

.page-contact .contact-hero__title {
  margin: 0.24em 0 0.4em;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 7.6vw, 78px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__title span {
  color: var(--cyan);
}

.page-contact .contact-hero .se-lead {
  max-width: 33em;
  margin: 0 0 1.7em;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(7, 31, 26, 0.74), rgba(7, 31, 26, 0.04) 52%, rgba(242, 169, 59, 0.16));
  pointer-events: none;
}

/* ---------- 双通道分屏 ---------- */
.page-contact .contact-desk {
  position: relative;
  display: grid;
  margin-top: clamp(48px, 8vw, 96px);
}

.page-contact .contact-desk::after {
  content: "";
  position: absolute;
  top: 7%;
  bottom: 7%;
  left: 51%;
  width: 2px;
  transform: rotate(2.4deg);
  background: repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 20px);
  display: none;
  pointer-events: none;
}

.page-contact .contact-lane {
  position: relative;
  padding: clamp(20px, 3.4vw, 40px);
}

.page-contact .contact-lane--cyan {
  background: linear-gradient(158deg, var(--c-cyan-wash), rgba(7, 31, 26, 0.92) 62%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--c-cut)));
}

.page-contact .contact-lane--amber {
  background: linear-gradient(150deg, var(--c-amber-wash), rgba(12, 46, 39, 0.95) 58%);
  border: 1px solid var(--c-amber-line);
  clip-path: polygon(0 var(--c-cut), 100% 0, 100% 100%, 0 100%);
  margin-top: -2px;
}

.page-contact .contact-lane__head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-lane__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .contact-lane__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 选项卡 */
.page-contact .contact-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-tab {
  display: block;
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.3;
  color: var(--paper);
  text-decoration: none;
  background: rgba(4, 18, 14, 0.6);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 11px 100%);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .contact-tab:hover {
  color: var(--cyan);
  border-color: var(--line);
}

.page-contact .contact-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact:has(#ticket-home:target) .contact-tab[href="#ticket-home"],
.page-contact:has(#ticket-mobile:target) .contact-tab[href="#ticket-mobile"],
.page-contact:has(#ticket-download:target) .contact-tab[href="#ticket-download"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(56, 242, 200, 0.12);
}

/* 面板 */
.page-contact .contact-stage {
  position: relative;
}

.page-contact .contact-panel {
  display: none;
  padding: 18px 18px 20px;
  background: var(--c-panel-soft);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), 0 100%);
}

.page-contact .contact-panel--default {
  display: block;
}

.page-contact .contact-panel:target {
  display: block;
}

.page-contact .contact-stage:has(.contact-panel:target) .contact-panel--default:not(:target) {
  display: none;
}

.page-contact .contact-panel__label {
  margin: 14px 0 5px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
}

.page-contact .contact-panel__label:first-child {
  margin-top: 0;
}

.page-contact .contact-panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-panel ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-panel .contact-panel__tail {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-contact .contact-panel .contact-panel__eta {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 16px 0 0;
  padding: 8px 14px;
  font-size: 13.5px;
  color: var(--cyan);
  background: rgba(56, 242, 200, 0.10);
  border-left: 2px solid var(--cyan);
}

.page-contact .contact-panel__eta .se-mono {
  font-size: 15px;
  letter-spacing: 0.04em;
}

/* 流程 */
.page-contact .contact-scale {
  display: block;
  width: 100%;
  max-width: 240px;
  height: 12px;
  margin-bottom: 14px;
  color: var(--amber);
  opacity: 0.55;
}

.page-contact .contact-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 2px 14px;
  padding: 13px 10px 13px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 200ms var(--ease);
}

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

.page-contact .contact-step:hover {
  background: rgba(242, 169, 59, 0.07);
}

.page-contact .contact-step__no {
  grid-row: 1 / 3;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-contact .contact-step__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .contact-step__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 数字 */
.page-contact .contact-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--c-amber-line);
}

.page-contact .contact-figures .se-stat {
  display: block;
}

.page-contact .contact-figures .se-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.1;
  color: var(--amber);
}

.page-contact .contact-figures .se-stat__label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 提交前准备 ---------- */
.page-contact .contact-prep {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(48px, 8vw, 96px);
}

.page-contact .contact-prep__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .contact-prep__lead {
  margin: 0 0 12px;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-prep__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-prep__note a,
.page-contact .contact-reach__note a,
.page-contact .contact-surge a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prep__note a:hover,
.page-contact .contact-reach__note a:hover,
.page-contact .contact-surge a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-check {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-check__label {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .contact-check__label:hover {
  border-color: var(--line);
  background: rgba(18, 59, 50, 0.85);
}

.page-contact .contact-check__label input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .contact-check__box {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--cyan-deep);
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .contact-check__label input:checked ~ .contact-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-check__label input:checked ~ .contact-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg);
}

.page-contact .contact-check__label input:focus-visible ~ .contact-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-check__body {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-check__body strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 500;
  font-size: 14.5px;
  color: var(--paper);
}

.page-contact .contact-check__hint {
  display: none;
  margin: 16px 0 0;
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--cyan);
  background: rgba(56, 242, 200, 0.07);
  border-left: 2px solid var(--cyan);
}

.page-contact .contact-check:not(:has(input:not(:checked))) + .contact-check__hint {
  display: block;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(48px, 8vw, 96px);
}

.page-contact .contact-reach__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .contact-reach__copy > p {
  margin: 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-hours {
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .contact-hours__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hours__row dt {
  font-size: 13.5px;
  color: var(--muted);
}

.page-contact .contact-hours__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  color: var(--paper);
  text-align: right;
}

.page-contact .contact-reach__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-card {
  padding: 22px;
  background: linear-gradient(165deg, rgba(242, 169, 59, 0.14), rgba(12, 46, 39, 0.9) 72%);
  border: 1px solid var(--c-amber-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
}

.page-contact .contact-card__hint {
  margin: 12px 0 6px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-card__mail,
.page-contact .contact-card__tel {
  display: block;
  padding: 9px 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 16.5px);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  word-break: break-all;
  transition: color 160ms var(--ease);
}

.page-contact .contact-card__mail:hover,
.page-contact .contact-card__tel:hover {
  color: var(--amber);
}

.page-contact .contact-card__mail:focus-visible,
.page-contact .contact-card__tel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-card__addr {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-card__addr span {
  display: block;
  margin-bottom: 3px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .contact-reach__media {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 20px));
}

.page-contact .contact-reach__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}

/* ---------- 冲段期 ---------- */
.page-contact .contact-surge {
  margin-top: clamp(48px, 8vw, 96px);
  padding: clamp(22px, 4vw, 48px);
  background: linear-gradient(105deg, rgba(242, 169, 59, 0.13), rgba(7, 31, 26, 0.92) 60%);
  border: 1px solid var(--c-amber-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-contact .contact-surge__title {
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .contact-surge p {
  margin: 0 0 10px;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-surge p:last-child {
  margin-bottom: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-contact .contact-prep {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .page-contact .contact-check__hint {
    grid-column: 1 / -1;
  }

  .page-contact .contact-reach {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    grid-template-areas:
      "copy card"
      "copy media";
    align-items: start;
    column-gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-reach__copy {
    grid-area: copy;
  }

  .page-contact .contact-card {
    grid-area: card;
  }

  .page-contact .contact-reach__media {
    grid-area: media;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-desk {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }

  .page-contact .contact-desk::after {
    display: block;
  }

  .page-contact .contact-lane--amber {
    margin-top: 0;
    clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%);
    padding-left: clamp(34px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tab,
  .page-contact .contact-step,
  .page-contact .contact-check__label,
  .page-contact .contact-check__box,
  .page-contact .contact-card__mail,
  .page-contact .contact-card__tel {
    transition: none;
  }
}