.page-contact {
  --pc-pad: clamp(18px, 2.8vw, 32px);
  --pc-gap: clamp(18px, 2.6vw, 34px);
}

/* ---------- 面包屑微调 ---------- */
.page-contact .breadcrumb {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mute);
}
.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover {
  color: var(--cyan-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4.4vw, 52px) clamp(28px, 5vw, 62px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -26%;
  right: -20%;
  width: 80%;
  height: 92%;
  background: linear-gradient(200deg, rgba(34, 227, 210, 0.17), rgba(34, 227, 210, 0) 64%);
  transform: rotate(-9deg);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  bottom: -34%;
  left: -16%;
  width: 56%;
  height: 76%;
  background: linear-gradient(20deg, rgba(255, 61, 138, 0.13), rgba(255, 61, 138, 0) 70%);
  transform: rotate(7deg);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  max-width: 17ch;
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 64ch;
  margin: 0 0 clamp(22px, 3.4vw, 38px);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.76;
  color: var(--mute);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

/* 邮箱大字号卡 */
.page-contact .mail-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(20, 28, 36, 0.94), rgba(12, 26, 38, 0.9));
}
.page-contact .mail-card__label {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.page-contact .mail-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 27px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.005em;
  color: var(--paper);
  word-break: break-all;
  overflow-wrap: anywhere;
}
.page-contact .mail-card .copy-chip {
  justify-self: start;
  cursor: pointer;
}

/* 响应时效徽标 */
.page-contact .sla-badge {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: var(--pc-pad);
  border: 1px solid rgba(255, 180, 84, 0.38);
  background: linear-gradient(155deg, rgba(255, 180, 84, 0.14), rgba(255, 180, 84, 0.02) 72%);
}
.page-contact .sla-badge__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(52px, 9vw, 92px);
  font-weight: 600;
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--amber);
}
.page-contact .sla-badge__unit {
  margin-left: 0.28em;
  font-size: 0.3em;
  letter-spacing: 0.08em;
  color: var(--paper);
}
.page-contact .sla-badge__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .contact-hero__art {
  margin: 0;
  border: 1px solid var(--line);
}

/* ---------- 区块统一节奏 ---------- */
.page-contact .channels,
.page-contact .addr,
.page-contact .sla,
.page-contact .region {
  padding-block: clamp(30px, 5vw, 62px);
}

.page-contact .section-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}
.page-contact .section-head__main {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.24;
  color: var(--paper);
}
.page-contact .section-head__meta {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 三类请求 ---------- */
.page-contact .channels {
  background: linear-gradient(180deg, rgba(12, 26, 38, 0.9), rgba(6, 14, 22, 0));
}
.page-contact .filter-bar {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}
.page-contact .channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .channel-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--canvas);
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-contact .channel-card:nth-child(2) {
  border-left-color: var(--magenta);
}
.page-contact .channel-card:nth-child(3) {
  border-left-color: var(--amber);
}
.page-contact .channel-card:hover {
  transform: translateY(-2px);
}
.page-contact .channel-card[hidden] {
  display: none;
}
.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .channel-card:nth-child(2) .channel-card__tag {
  color: var(--magenta);
}
.page-contact .channel-card:nth-child(3) .channel-card__tag {
  color: var(--amber);
}
.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.36;
  color: var(--paper);
}
.page-contact .channel-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
}
.page-contact .channel-card__need {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 5px;
}
.page-contact .channel-card__need dt {
  font-family: var(--font-cond);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.page-contact .channel-card__need dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cyan-soft);
  word-break: break-word;
}

/* ---------- 客服热线 ---------- */
.page-contact .hotline {
  padding-block: clamp(30px, 5vw, 62px);
  background: var(--canvas);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .hotline__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
}
.page-contact .hotline__lead {
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-contact .hotline__label {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.page-contact .hotline__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.6vw, 56px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-all;
}
.page-contact .hotline__lead .copy-chip {
  justify-self: start;
  cursor: pointer;
}

.page-contact .hotline__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .hotline__col {
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--layer);
  border: 1px solid var(--line);
  border-top-width: 2px;
}
.page-contact .hotline__col--call {
  border-top-color: var(--cyan);
}
.page-contact .hotline__col--mail {
  border-top-color: var(--amber);
}
.page-contact .hotline__col h3 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(15.5px, 1.8vw, 18px);
  color: var(--paper);
}
.page-contact .hotline__col ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .hotline__col li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mute);
}
.page-contact .hotline__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}
.page-contact .hotline__col--mail li::before {
  background: var(--amber);
}

/* ---------- 联系地址 ---------- */
.page-contact .addr__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 28px);
}
.page-contact .addr__block {
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--layer);
  font-style: normal;
}
.page-contact .addr__name {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--paper);
}
.page-contact .addr__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--mute);
}
.page-contact .addr__uses {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .addr__use {
  position: relative;
  padding: 16px 0 16px clamp(34px, 5vw, 50px);
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
}
.page-contact .addr__use:first-child {
  border-top: 1px solid var(--line);
}
.page-contact .addr__use-key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-cond);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-contact .addr__use::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 18px;
  height: 1px;
  background: var(--line);
}

/* ---------- 响应与跟进 ---------- */
.page-contact .sla__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: sla;
}
.page-contact .sla__list li {
  position: relative;
  counter-increment: sla;
  padding: clamp(14px, 2vw, 20px) 0 clamp(14px, 2vw, 20px) clamp(34px, 4.6vw, 52px);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}
.page-contact .sla__list li:first-child {
  border-top: 1px solid var(--line);
}
.page-contact .sla__list li::before {
  content: "0" counter(sla);
  position: absolute;
  left: 0;
  top: clamp(16px, 2.2vw, 23px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .region {
  background: linear-gradient(180deg, rgba(12, 26, 38, 0.86), rgba(6, 14, 22, 0));
}
.page-contact .region__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 36px);
}
.page-contact .region__art {
  margin: 0;
  border: 1px solid var(--line);
}
.page-contact .region__body {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .region__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  color: var(--paper);
}
.page-contact .region__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .region__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

/* ---------- 自助查询 ---------- */
.page-contact .more {
  padding-block: clamp(30px, 5vw, 60px) clamp(44px, 6vw, 82px);
}
.page-contact .more__inner {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}
.page-contact .more__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1.28;
  color: var(--paper);
}
.page-contact .more__body {
  max-width: 68ch;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .more__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .more__note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
}
.page-contact .more__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, 0.35);
}
.page-contact .more__note a:hover {
  color: var(--cyan-soft);
}

/* ---------- 响应式栅格 ---------- */
@media (min-width: 640px) {
  .page-contact .hotline__split {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 16px;
  }
  .page-contact .addr__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 900px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-contact .hotline__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
  .page-contact .region__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }
  .page-contact .channel-card:hover {
    transform: none;
  }
}