/* ============================================
   页面专属：contact
   作用域：.page-contact
   ============================================ */

.page-contact {
  --pc-ink: var(--qsu-ink);
  --pc-primary: var(--qsu-primary);
  --pc-accent: var(--qsu-accent);
  --pc-gold: var(--qsu-gold);
  --pc-paper: var(--qsu-paper);
  --pc-muted: var(--qsu-muted);
  --pc-line: var(--qsu-line);
  --pc-body: var(--qsu-font-body);
  --pc-data: var(--qsu-font-data);
  background-color: #fff;
  color: var(--pc-ink);
  overflow-x: hidden;
}

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

/* ── Hero ── */

.pc-hero {
  position: relative;
  padding: 2.2rem 0 3.6rem;
  background:
    radial-gradient(circle at 84% 16%, rgba(0, 194, 168, 0.22), transparent 38%),
    linear-gradient(122deg, #07182f 0%, #0a2c5e 48%, #14538d 100%);
  color: #fff;
  overflow: hidden;
}

.pc-hero::before {
  content: "";
  position: absolute;
  top: 58%;
  right: -18%;
  width: 56%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--pc-gold) 45%, var(--pc-accent));
  transform: rotate(-16deg);
  opacity: 0.72;
  pointer-events: none;
}

.pc-crumb {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--pc-data);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 2.8rem;
}

.pc-crumb__link {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.2s ease;
}

.pc-crumb__link:hover {
  color: var(--pc-gold);
}

.pc-crumb__sep {
  color: rgba(255, 255, 255, 0.36);
}

.pc-crumb__current {
  color: #fff;
}

.pc-hero__content {
  max-width: 820px;
}

.pc-hero h1 {
  font-family: var(--qsu-font-head);
  font-size: clamp(2.5rem, 7.2vw, 4.1rem);
  line-height: 1.04;
  margin: 0.5rem 0 0.35rem;
  color: #fff;
  letter-spacing: 0.02em;
}

.pc-hero__sub {
  font-family: var(--pc-data);
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  color: var(--pc-accent);
  margin: 0 0 1.1rem;
}

.pc-hero__lead {
  color: var(--qsu-on-dark);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 54ch;
  margin-bottom: 1.5rem;
}

.pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.pc-hero__chip {
  font-family: var(--pc-data);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ── 左右分屏区 ── */

.pc-board {
  background: linear-gradient(180deg, #ffffff 0%, var(--pc-paper) 100%);
  padding: 3.2rem 0 2.6rem;
}

.pc-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .pc-board__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 2.2rem;
  }
}

/* ── 直接联系卡片 ── */

.pc-contact {
  background: #fff;
  border: 1px solid var(--pc-line);
  border-radius: 1.4rem;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(10, 31, 68, 0.09);
}

.pc-contact__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--pc-primary);
}

.pc-contact__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pc-contact__badge {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  font-family: var(--pc-data);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #fff;
  background: rgba(10, 31, 68, 0.78);
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.pc-contact__pulse {
  position: absolute;
  right: 1.2rem;
  bottom: 1.1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pc-accent);
}

.pc-contact__pulse::before,
.pc-contact__pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--pc-accent);
}

.pc-contact__pulse::before {
  animation: pc-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.pc-contact__pulse::after {
  animation: pc-ping 2s cubic-bezier(0, 0, 0.2, 1) 0.5s infinite;
}

@keyframes pc-ping {
  0% {
    transform: scale(0.7);
    opacity: 0.8;
  }
  75%,
  100% {
    transform: scale(2.6);
    opacity: 0;
  }
}

.pc-contact__body {
  padding: 1.5rem 1.3rem 1.4rem;
}

.pc-contact__body h2 {
  font-family: var(--qsu-font-head);
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0.25rem 0 0.45rem;
  color: var(--pc-ink);
}

.pc-contact__desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pc-muted);
  margin: 0 0 1rem;
}

.pc-contactlist {
  margin: 0;
}

.pc-contactlist__row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--pc-line);
}

.pc-contactlist__row:first-child {
  border-top: 1px solid var(--pc-line);
}

.pc-contactlist__row dt {
  flex: 0 0 4.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pc-muted);
  line-height: 1.5;
}

.pc-contactlist__row dd {
  margin: 0;
  min-width: 0;
}

.pc-contactlist__row code {
  font-family: var(--pc-data);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--pc-ink);
  word-break: break-all;
}

.pc-contactlist__row address {
  font-style: normal;
  font-family: var(--pc-data);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--pc-ink);
}

.pc-contact__notice {
  margin: 1.1rem 0 0;
  padding: 0.75rem 0.9rem;
  background: #f4f7fc;
  border-left: 3px solid var(--pc-gold);
  border-radius: 0 0.6rem 0.6rem 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--pc-muted);
}

/* ── 发送反馈卡片 ── */

.pc-feedback {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--pc-line);
  border-radius: 1.4rem;
  padding: 1.3rem;
  box-shadow: 0 14px 36px rgba(10, 31, 68, 0.07);
}

.pc-feedback__head h2 {
  font-family: var(--qsu-font-head);
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0.25rem 0 0.4rem;
  color: var(--pc-ink);
}

.pc-feedback__head p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pc-muted);
  margin: 0 0 1rem;
}

.pc-feedback__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 0.85rem;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  margin-bottom: 1rem;
  background: #dfe9f5;
}

.pc-feedback__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pc-feedback__cap {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  font-family: var(--pc-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(15, 52, 96, 0.82);
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
}

.pc-feedback__tpl {
  background: var(--pc-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.85rem;
  padding: 0.9rem 0.9rem;
  margin-bottom: 1.1rem;
}

.pc-feedback__tpltitle {
  font-family: var(--pc-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pc-gold);
  margin: 0 0 0.55rem;
}

.pc-feedback__tplrow {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.42rem 0;
}

.pc-feedback__tplrow span {
  flex: 0 0 3rem;
  font-family: var(--pc-data);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 0.32rem;
}

.pc-feedback__tplrow code {
  flex: 1;
  min-width: 0;
  font-family: var(--pc-data);
  font-size: 0.78rem;
  line-height: 1.45;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.4rem;
  padding: 0.34rem 0.55rem;
  word-break: break-all;
}

.pc-feedback__steps h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pc-ink);
  margin: 0 0 0.55rem;
}

.pc-feedback__list {
  list-style: none;
  margin: 0 0 0.2rem;
  padding: 0;
  counter-reset: pc-fb;
}

.pc-feedback__list li {
  counter-increment: pc-fb;
  position: relative;
  padding: 0.45rem 0 0.45rem 1.9rem;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--pc-ink);
  border-bottom: 1px dashed var(--pc-line);
}

.pc-feedback__list li:last-child {
  border-bottom: 0;
}

.pc-feedback__list li::before {
  content: counter(pc-fb, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.45rem;
  font-family: var(--pc-data);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pc-accent);
}

.pc-feedback__action {
  margin-top: auto;
  padding-top: 1.1rem;
}

.pc-feedback__action .qsu-btn {
  width: 100%;
  text-align: center;
}

@media (min-width: 500px) {
  .pc-feedback__action .qsu-btn {
    width: auto;
  }
}

/* ── 常见联系原因 ── */

.pc-reasons {
  background: #fff;
  padding: 2.6rem 0 3.4rem;
}

.pc-reasons__head {
  margin-bottom: 1.6rem;
}

.pc-reasons__head h2 {
  font-family: var(--qsu-font-head);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 1.15;
  margin: 0.3rem 0 0.5rem;
  color: var(--pc-ink);
}

.pc-reasons__head p {
  max-width: 60ch;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pc-muted);
  margin: 0;
}

.pc-reasons__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

@media (min-width: 720px) {
  .pc-reasons__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

.pc-reason {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  background: var(--pc-paper);
  border: 1px solid var(--pc-line);
  border-radius: 1rem;
  padding: 1.15rem 1rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.pc-reason:hover {
  border-color: var(--pc-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(10, 31, 68, 0.1);
}

.pc-reason__badge {
  flex: 0 0 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--pc-primary);
  color: var(--pc-gold);
  font-family: var(--pc-data);
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

.pc-reason__content {
  min-width: 0;
}

.pc-reason h3 {
  font-size: 1rem;
  line-height: 1.4;
  margin: 0 0 0.45rem;
  color: var(--pc-ink);
}

.pc-reason p {
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--pc-muted);
  margin: 0 0 0.7rem;
}

.pc-reason__time {
  display: inline-block;
  font-family: var(--pc-data);
  font-size: 0.72rem;
  color: var(--pc-accent);
  background: rgba(0, 194, 168, 0.08);
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
}

.pc-reason__more {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--qsu-cobalt);
  text-decoration: none;
}

.pc-reason__more::after {
  content: "→";
  display: inline-block;
  margin-left: 0.28rem;
}

/* ── 帮助文档与快速导航 ── */

.pc-help {
  background: linear-gradient(180deg, #ffffff 0%, var(--pc-paper) 100%);
  border-top: 2px solid var(--pc-line);
  padding: 1.8rem 0 3.6rem;
}

.pc-help__row {
  display: grid;
  gap: 1.3rem;
  align-items: center;
}

@media (min-width: 720px) {
  .pc-help__row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
  }
}

.pc-help__text h2 {
  font-family: var(--qsu-font-head);
  font-size: 1.7rem;
  line-height: 1.2;
  margin: 0.3rem 0 0.5rem;
  color: var(--pc-ink);
}

.pc-help__text p {
  max-width: 56ch;
  font-size: 0.89rem;
  line-height: 1.65;
  color: var(--pc-muted);
  margin: 0;
}

.pc-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ── 减弱动效 ── */

@media (prefers-reduced-motion: reduce) {
  .pc-contact__pulse::before,
  .pc-contact__pulse::after {
    animation: none;
  }

  .pc-reason {
    transition: none;
  }

  .pc-reason:hover {
    transform: none;
  }
}