.page-contact {
  position: relative;
  overflow-x: hidden;
  color: var(--white-100);
}

.page-contact .container {
  position: relative;
  z-index: 1;
}

/* ---------- 通用排版 ---------- */
.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.2vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--white-100);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-600);
}

.page-contact .breadcrumb a {
  color: var(--cyan-400);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--pale-200);
}

.page-contact .contact-lede {
  max-width: 46ch;
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .prose {
  max-width: 46ch;
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: 32px 52px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  left: 50%;
  width: min(1280px, 130vw);
  height: 660px;
  transform: translateX(-50%);
  background:
    radial-gradient(50% 55% at 22% 32%, var(--cyan-a18), transparent 68%),
    radial-gradient(38% 46% at 84% 16%, var(--amber-a12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 8vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--white-100);
}

.page-contact .contact-hero__lede {
  max-width: 44ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .hero-status {
  padding: 18px 18px 6px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(155deg, var(--ink-800), var(--ink-900));
}

.page-contact .hero-status__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-400);
}

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

.page-contact .hero-status__row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  grid-template-areas:
    "dot name"
    "dot val";
  gap: 3px 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23, 69, 92, 0.6);
}

.page-contact .hero-status__row:last-child {
  padding-bottom: 12px;
  border-bottom: 0;
}

.page-contact .status-dot {
  grid-area: dot;
  align-self: center;
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-contact .status-dot--green {
  background: var(--green-400);
  box-shadow: 0 0 0 4px var(--green-a12);
}

.page-contact .status-dot--coral {
  background: var(--coral-400);
  box-shadow: 0 0 0 4px var(--coral-a12);
}

.page-contact .hero-status__name {
  grid-area: name;
  font-size: 1rem;
  color: var(--white-100);
}

.page-contact .hero-status__val {
  grid-area: val;
  font-size: 12px;
  color: var(--mist-400);
}

.page-contact .hero-flow {
  padding: 16px 18px 18px;
  border: 1px dashed var(--line-600);
  border-radius: var(--radius-m);
}

.page-contact .hero-flow__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-contact .hero-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--mist-400);
}

.page-contact .hero-flow__list li {
  display: flex;
  gap: 10px;
}

.page-contact .hero-flow__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  padding-top: 3px;
  color: var(--amber-400);
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-figure {
  margin: 0;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-850);
}

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

.page-contact .contact-figure__cap {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
  border-top: 1px solid var(--line-600);
  background: var(--ink-900);
}

/* ---------- 提交步骤 ---------- */
.page-contact .contact-submit {
  padding-block: 52px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
}

.page-contact .contact-submit__grid {
  display: grid;
  gap: 34px;
}

.page-contact .step-track {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .step-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(165deg, var(--ink-850), var(--ink-900));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .step-card:hover,
.page-contact .step-card:focus-within {
  border-color: var(--cyan-a18);
  transform: translateY(-2px);
}

.page-contact .step-card__num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--cyan-400);
  color: var(--ink-950);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .step-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white-100);
}

.page-contact .step-card > p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .pill-row {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pill-row li {
  padding: 5px 11px;
  border: 1px solid var(--line-600);
  border-radius: 999px;
  background: var(--cyan-a10);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--cyan-400);
}

.page-contact .step-sample {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--amber-400);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: var(--amber-a12);
}

.page-contact .step-sample__key {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-contact .step-sample p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--white-100);
}

.page-contact .contact-submit__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .side-note {
  padding: 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-850);
}

.page-contact .side-note__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--coral-400);
}

.page-contact .side-note__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .side-note__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .side-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-600);
}

/* ---------- 处理进度 ---------- */
.page-contact .contact-stages {
  padding-block: 52px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
  background: linear-gradient(180deg, rgba(12, 38, 55, 0.38), transparent 46%);
}

.page-contact .contact-stages__grid {
  display: grid;
  gap: 34px;
}

.page-contact .stage-timeline {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .stage {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-contact .stage::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 18px;
  bottom: 0;
  width: 2px;
  background: var(--line-600);
}

.page-contact .stage:last-child {
  padding-bottom: 0;
}

.page-contact .stage:last-child::before {
  display: none;
}

.page-contact .stage__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 2px solid var(--line-600);
}

.page-contact .stage--cyan .stage__dot {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 4px var(--cyan-a10);
}

.page-contact .stage--amber .stage__dot {
  border-color: var(--amber-400);
  box-shadow: 0 0 0 4px var(--amber-a12);
}

.page-contact .stage--coral .stage__dot {
  border-color: var(--coral-400);
  box-shadow: 0 0 0 4px var(--coral-a12);
}

.page-contact .stage--green .stage__dot {
  border-color: var(--green-400);
  box-shadow: 0 0 0 4px var(--green-a12);
}

.page-contact .stage__state {
  display: inline-block;
  margin: 0 0 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .stage--cyan .stage__state {
  color: var(--cyan-400);
  background: var(--cyan-a10);
}

.page-contact .stage--amber .stage__state {
  color: var(--amber-400);
  background: var(--amber-a12);
}

.page-contact .stage--coral .stage__state {
  color: var(--coral-400);
  background: var(--coral-a12);
}

.page-contact .stage--green .stage__state {
  color: var(--green-400);
  background: var(--green-a12);
}

.page-contact .stage__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white-100);
}

.page-contact .stage__desc {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist-400);
}

/* ---------- 客服渠道 ---------- */
.page-contact .contact-channels {
  padding-block: 52px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
}

.page-contact .section-head .lede {
  max-width: 48ch;
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-850);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--cyan-a18);
}

.page-contact .channel-card--primary {
  border-color: var(--cyan-a18);
  background: linear-gradient(160deg, var(--cyan-a10), var(--ink-850) 62%);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-400);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--white-100);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--primary .channel-card__value {
  color: var(--cyan-400);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-issues {
  padding-block: 52px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
}

.page-contact .section-head--split {
  display: grid;
  gap: 12px;
}

.page-contact .section-head--split .lede {
  max-width: 46ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .issue-grid {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .issue-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-850);
  border-top-width: 3px;
  border-top-style: solid;
  border-top-color: var(--line-600);
  transition: transform var(--dur) var(--ease);
}

.page-contact .issue-card:hover {
  transform: translateY(-2px);
}

.page-contact .issue-card--cyan { border-top-color: var(--cyan-400); }
.page-contact .issue-card--amber { border-top-color: var(--amber-400); }
.page-contact .issue-card--coral { border-top-color: var(--coral-400); }
.page-contact .issue-card--green { border-top-color: var(--green-400); }

.page-contact .issue-card__code {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

.page-contact .issue-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white-100);
}

.page-contact .issue-card p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .issue-card .issue-card__path {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

/* ---------- 答复时长 ---------- */
.page-contact .contact-timing {
  padding-block: 52px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
  background: linear-gradient(180deg, transparent, rgba(12, 38, 55, 0.5));
}

.page-contact .timing-inner {
  display: grid;
  gap: 30px;
}

.page-contact .timing-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .timing-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(23, 69, 92, 0.7);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .timing-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .timing-list .mono {
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-400);
}

.page-contact .timing-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--line-600);
}

.page-contact .timing-band > div {
  padding: 18px 16px;
  background: var(--ink-900);
}

.page-contact .timing-band .data-value {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.6vw, 1.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--amber-400);
}

.page-contact .timing-band .data-label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist-400);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-next {
  padding-block: 48px 60px;
  border-top: 1px solid rgba(23, 69, 92, 0.55);
}

.page-contact .next-grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .next-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-850);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  border-color: var(--cyan-a18);
  transform: translateY(-2px);
}

.page-contact .next-card__title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white-100);
}

.page-contact .next-card__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .next-card__arrow {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .timing-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .section-head--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: 44px 72px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-hero__aside {
    padding-top: 26px;
  }

  .page-contact .contact-submit,
  .page-contact .contact-stages,
  .page-contact .contact-channels,
  .page-contact .contact-issues,
  .page-contact .contact-timing {
    padding-block: 68px;
  }

  .page-contact .contact-submit__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-submit__side {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-stages__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-stages__grid > figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .timing-inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-next {
    padding-block: 60px 76px;
  }
}

@media (min-width: 1040px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}