.page-contact {
  --contact-card: rgba(16, 42, 67, .78);
  --contact-card-soft: rgba(16, 42, 67, .5);
  --contact-hair: rgba(94, 234, 212, .2);
  --contact-text: rgba(237, 231, 219, .78);
  --contact-text-dim: rgba(237, 231, 219, .68);
}

/* ---------- 首屏 ---------- */
.page-contact .hero-contact {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(8px, 2vw, 16px);
}

.page-contact .hero-contact__grid {
  row-gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .hero-contact__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .hero-contact__title span {
  display: block;
  color: var(--cyan);
}

.page-contact .hero-contact__lede {
  margin-top: 18px;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--contact-text);
}

.page-contact .hero-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .hero-contact__aside {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-contact .hero-contact__aside-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .hero-contact__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .hero-contact__stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .hero-contact__stats li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .hero-contact__num {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-contact .hero-contact__cap {
  font-size: 14px;
  line-height: 1.7;
  color: var(--contact-text-dim);
}

/* ---------- 三条对接路径 ---------- */
.page-contact .paths {
  position: relative;
  margin-top: clamp(36px, 6vw, 72px);
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.page-contact .paths__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .paths__backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-contact .paths__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(10, 25, 41, .62) 38%, var(--ink) 100%);
}

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

.page-contact .section-head__title {
  color: var(--paper);
}

.page-contact .section-head__desc {
  color: var(--contact-text-dim);
}

.page-contact .path-tabs {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .path-tab {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--contact-card);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}

.page-contact .path-tab:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

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

.page-contact .path-tab[aria-pressed="true"] {
  border-color: var(--amber);
  background: rgba(255, 138, 61, .14);
}

.page-contact .path-tab__no {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .path-tab[aria-pressed="true"] .path-tab__no {
  color: var(--amber);
}

.page-contact .path-tab__body {
  display: grid;
  gap: 6px;
}

.page-contact .path-tab__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .path-tab__who {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--contact-text-dim);
}

.page-contact .path-panels {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.page-contact .path-panel {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--contact-hair);
  border-radius: var(--radius);
  background: var(--contact-card-soft);
}

.page-contact .path-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .path-panel > p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-text);
}

.page-contact .path-panel > p:last-child {
  margin-bottom: 0;
}

.page-contact .path-panel__start {
  color: rgba(237, 231, 219, .92);
}

.page-contact .path-panel__start .mono {
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-contact .path-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.page-contact .path-panel__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .16s ease;
}

.page-contact .path-panel__links a:hover,
.page-contact .path-panel__links a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 接入流程 ---------- */
.page-contact .flow-section {
  padding-top: clamp(44px, 6vw, 84px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

.page-contact .flow__line {
  display: none;
  width: 100%;
  height: auto;
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-contact .flow__steps {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .flow__step {
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(255, 138, 61, .55);
  border-radius: var(--radius);
  background: var(--contact-card-soft);
}

.page-contact .flow__no {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .flow__name {
  margin: 8px 0;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--paper);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-text-dim);
}

/* ---------- 区域服务协作 ---------- */
.page-contact .region {
  padding-top: clamp(44px, 6vw, 84px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

.page-contact .region__grid {
  row-gap: clamp(20px, 3vw, 30px);
  align-items: start;
}

.page-contact .region__text {
  margin: 14px 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-text);
}

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

.page-contact .region__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(27, 58, 91, .42);
  transition: border-color .18s ease, background .18s ease;
}

.page-contact .region__item:hover {
  border-color: var(--line-strong);
  background: rgba(27, 58, 91, .66);
}

.page-contact .region__no {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .region__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(237, 231, 219, .82);
}

/* ---------- 反馈入口 ---------- */
.page-contact .feedback {
  padding-top: clamp(44px, 6vw, 84px);
  padding-bottom: clamp(16px, 3vw, 34px);
}

.page-contact .feedback__grid {
  row-gap: clamp(22px, 3.4vw, 34px);
  align-items: start;
}

.page-contact .feedback__intro {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-text);
}

.page-contact .feedback__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .feedback__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(237, 231, 219, .82);
}

.page-contact .feedback__list .mono {
  font-size: 13px;
  color: var(--amber);
}

.page-contact .feedback__tip {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--contact-hair);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .feedback__media {
  margin: 0;
  align-self: start;
}

/* ---------- 公开渠道 ---------- */
.page-contact .channels {
  padding-top: clamp(36px, 5vw, 68px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .channels__card {
  padding: clamp(22px, 3.4vw, 44px);
  border-radius: var(--radius-lg);
  color: var(--ink);
}

.page-contact .channels__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-contact .channels__head {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  color: #0A1929;
}

.page-contact .channels__list {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-contact .channels__row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid rgba(10, 25, 41, .16);
}

.page-contact .channels__row dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(10, 25, 41, .62);
}

.page-contact .channels__row dd {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 600;
  color: #0A1929;
  overflow-wrap: anywhere;
}

.page-contact .channels__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(10, 25, 41, .76);
}

.page-contact .channels__links {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.page-contact .channels__links a {
  color: #0F5B52;
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 91, 82, .38);
  transition: border-color .16s ease;
}

.page-contact .channels__links a:hover,
.page-contact .channels__links a:focus-visible {
  border-bottom-color: #0F5B52;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .flow__line {
    display: block;
  }

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

  .page-contact .channels__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: center;
  }
}

@media (min-width: 820px) {
  .page-contact .path-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-contact .hero-contact__title {
    max-width: 20ch;
  }
}