.page-contact {
  --contact-cut: 18px;
  --contact-shell-pad: clamp(18px, 4vw, 40px);
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(6px, 1.4vw, 14px);
}

.page-contact .contact-frame {
  padding: var(--contact-shell-pad);
  display: grid;
  gap: clamp(22px, 3.5vw, 34px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(61, 242, 200, 0.08), transparent 55%),
    linear-gradient(180deg, #0E2620 0%, #0B1F1A 100%);
}

.page-contact .contact-frame-body {
  display: grid;
  gap: clamp(22px, 3.2vw, 34px);
}

@media (min-width: 900px) {
  .page-contact .contact-frame-body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .contact-hero h1 {
  font-family: var(--font-narrow);
  font-size: clamp(1.75rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 0 0 0.55em;
  max-width: 18ch;
}

.page-contact .contact-frame-lede .lede {
  max-width: 46ch;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: rgba(216, 227, 222, 0.86);
}

.page-contact .contact-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.page-contact .contact-hero-links a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 200, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-hero-links a:hover,
.page-contact .contact-hero-links a:focus-visible {
  color: var(--pulse-soft);
  border-color: var(--pulse-soft);
}

/* ---------- 快速通道卡 ---------- */
.page-contact .contact-hotline {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  background: linear-gradient(155deg, rgba(18, 51, 43, 0.95), rgba(11, 31, 26, 0.62));
  border: 1px solid var(--line);
  border-left: 3px solid var(--pulse);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .hotline-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .hotline-row {
  display: grid;
  gap: 6px;
  padding: clamp(10px, 1.6vw, 14px) 0;
  border-top: 1px dashed var(--line);
}

.page-contact .hotline-k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .hotline-v {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.9vw, 1.08rem);
  line-height: 1.5;
  color: var(--pulse);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(61, 242, 200, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .hotline-v:hover,
.page-contact .hotline-v:focus-visible {
  color: var(--pulse-soft);
  border-color: var(--pulse-soft);
}

.page-contact .hotline-foot {
  margin: 14px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(216, 227, 222, 0.7);
}

/* ---------- 首屏横幅 ---------- */
.page-contact .contact-banner {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

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

/* ---------- 编号章节公共件 ---------- */
.page-contact .chapter-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-contact .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-contact .chapter-title {
  font-family: var(--font-narrow);
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 0;
}

.page-contact .contact-chapter-note {
  max-width: 54ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(216, 227, 222, 0.76);
}

/* ---------- 01 三条通道 ---------- */
.page-contact .contact-channels-grid {
  align-items: stretch;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: linear-gradient(160deg, rgba(18, 51, 43, 0.9) 0%, rgba(11, 31, 26, 0.72) 100%);
}

.page-contact .contact-card-idx {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ash);
}

.page-contact .contact-card-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pulse-soft);
}

.page-contact .contact-card-v {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(0.88rem, 2vw, 1.06rem);
  line-height: 1.55;
  color: var(--pulse);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .contact-card-v:hover,
.page-contact .contact-card-v:focus-visible {
  color: var(--pulse-soft);
}

.page-contact .contact-card-v--plain {
  color: var(--paper);
  font-size: clamp(0.86rem, 1.9vw, 1rem);
}

.page-contact .contact-card-note {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(216, 227, 222, 0.72);
}

/* ---------- 02 反馈类型 ---------- */
.page-contact .contact-feedback-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

@media (min-width: 940px) {
  .page-contact .contact-feedback-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .contact-disclosure {
  border-top: 1px solid var(--line);
}

.page-contact .contact-disclosure:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-disclosure-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(15px, 2.4vw, 22px) 0;
  background: none;
  border: 0;
  color: var(--paper);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-contact .contact-disclosure-trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--pulse);
}

.page-contact .contact-disclosure-trigger[aria-expanded="true"]::after {
  content: "\2013";
  color: var(--amber);
}

.page-contact .contact-disclosure-trigger:hover,
.page-contact .contact-disclosure-trigger:focus-visible {
  color: var(--pulse-soft);
}

.page-contact .contact-disclosure-trigger:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

.page-contact .contact-disclosure-label {
  font-family: var(--font-narrow);
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  letter-spacing: 0.03em;
}

.page-contact .contact-disclosure-panel {
  padding: 0 0 clamp(18px, 2.4vw, 24px);
}

.page-contact .contact-disclosure-panel p {
  max-width: 52ch;
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(216, 227, 222, 0.78);
}

.page-contact .contact-disclosure-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .contact-disclosure-panel li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-disclosure-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-contact .contact-feedback-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

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

/* ---------- 03 回复时效 ---------- */
.page-contact .contact-sla-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(61, 242, 200, 0.09), transparent 42%),
    var(--ink-2);
  padding: clamp(28px, 5vw, 52px) 0;
}

.page-contact .contact-sla-inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

@media (min-width: 820px) {
  .page-contact .contact-sla-inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.55fr);
    align-items: center;
  }
}

.page-contact .contact-sla-figure {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .contact-sla-figure .kpi {
  font-family: var(--font-mono);
  font-size: clamp(2.9rem, 9vw, 4.4rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--pulse);
}

.page-contact .contact-sla-figure .kpi-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.65;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .contact-sla-copy p {
  max-width: 56ch;
  margin: 0 0 14px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(216, 227, 222, 0.82);
}

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

.page-contact .contact-sla-copy a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 200, 0.35);
  padding-bottom: 1px;
}

.page-contact .contact-sla-copy a:hover,
.page-contact .contact-sla-copy a:focus-visible {
  color: var(--pulse-soft);
  border-color: var(--pulse-soft);
}

/* ---------- 04 到访与邮寄 ---------- */
.page-contact .contact-visit-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .contact-visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

.page-contact .contact-visit-copy p {
  max-width: 50ch;
  margin: 0 0 14px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(216, 227, 222, 0.82);
}

.page-contact .contact-visit-list {
  margin: clamp(18px, 3vw, 26px) 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-visit-list > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-visit-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .contact-visit-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-visit-list dd a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 200, 0.35);
  padding-bottom: 1px;
}

.page-contact .contact-visit-list dd a:hover,
.page-contact .contact-visit-list dd a:focus-visible {
  color: var(--pulse-soft);
  border-color: var(--pulse-soft);
}

.page-contact .contact-visit-map {
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #0E2620, #0B1F1A);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .contact-visit-map svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 页尾指引 ---------- */
.page-contact .contact-tail {
  padding-top: clamp(26px, 4vw, 42px);
}

.page-contact .contact-tail-text {
  max-width: 62ch;
  margin: 0;
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(216, 227, 222, 0.76);
}

.page-contact .contact-tail-text a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 200, 0.35);
  padding-bottom: 1px;
}

.page-contact .contact-tail-text a:hover,
.page-contact .contact-tail-text a:focus-visible {
  color: var(--pulse-soft);
  border-color: var(--pulse-soft);
}

@media (max-width: 480px) {
  .page-contact .contact-hero h1 {
    max-width: none;
  }

  .page-contact .contact-sla-figure .kpi-label {
    letter-spacing: 0.1em;
  }
}