/* =========================================================
   意见反馈页 /feedback/  —  页面作用域 .page-contact
   ========================================================= */

.page-contact {
  --fc-card: rgba(18, 41, 74, .58);
  --fc-hair-soft: rgba(143, 163, 191, .2);
  --fc-ink-cyan: #0B6069;
  overflow-x: clip;
  padding-top: clamp(86px, 13vw, 130px);
  padding-bottom: clamp(52px, 9vw, 100px);
  color: var(--xy-white);
}

/* ---------- 栏目路径 ---------- */
.page-contact .fc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: clamp(24px, 5vw, 44px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--xy-mist);
}

.page-contact .fc-crumbs a {
  color: var(--xy-cyan);
  text-decoration: none;
}

.page-contact .fc-crumbs a:hover,
.page-contact .fc-crumbs a:focus-visible {
  text-decoration: underline;
}

.page-contact .fc-crumbs [aria-current="page"] {
  color: var(--xy-white);
}

.page-contact .fc-crumbs__sep {
  color: var(--xy-rule);
}

/* ---------- 首屏 ---------- */
.page-contact .fc-hero__inner {
  position: relative;
  padding-block: clamp(4px, 2vw, 16px) clamp(34px, 7vw, 62px);
}

.page-contact .fc-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(58% 78% at 4% 36%, rgba(44, 229, 210, .17), transparent 70%),
    radial-gradient(46% 66% at 94% 2%, rgba(255, 107, 69, .13), transparent 72%);
}

.page-contact .fc-hero__inner > * {
  position: relative;
  z-index: 1;
}

.page-contact .fc-hero__title {
  max-width: 20ch;
  margin-bottom: clamp(16px, 3vw, 24px);
}

.page-contact .fc-hero__lead {
  max-width: 62ch;
}

.page-contact .fc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .fc-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--xy-pill);
  border: 1px solid rgba(143, 163, 191, .28);
  background: rgba(18, 41, 74, .5);
  font-size: 13px;
  color: rgba(234, 241, 248, .82);
}

.page-contact .fc-hero__meta b {
  font-family: var(--xy-mono);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--xy-cyan);
}

/* ---------- 置顶帖 ---------- */
.page-contact .fc-pin {
  padding-block: clamp(10px, 2vw, 22px) clamp(36px, 7vw, 68px);
}

.page-contact .fc-pin__card {
  position: relative;
  display: grid;
  gap: clamp(20px, 4vw, 34px);
  padding: clamp(24px, 4.4vw, 40px) clamp(20px, 4vw, 38px) clamp(24px, 4.4vw, 40px) clamp(30px, 5.4vw, 52px);
  border: 1px solid rgba(247, 183, 51, .55);
  border-radius: var(--xy-r-l);
  background:
    linear-gradient(140deg, rgba(247, 183, 51, .16), rgba(18, 41, 74, .92) 42%, rgba(10, 26, 47, .97));
  box-shadow: var(--xy-shadow-card);
  overflow: hidden;
}

.page-contact .fc-pin__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  background: linear-gradient(180deg, var(--xy-coral), var(--xy-gold));
}

.page-contact .fc-pin__label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--xy-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--xy-gold);
}

.page-contact .fc-pin__label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--xy-coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 69, .18);
}

.page-contact .fc-pin__title {
  max-width: 24ch;
  margin-bottom: clamp(14px, 2.6vw, 20px);
}

.page-contact .fc-pin__ver {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin: 0 0 16px;
}

.page-contact .fc-pin__ver strong {
  font-family: var(--xy-mono);
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--xy-gold);
}

.page-contact .fc-pin__ver span {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--xy-mist);
}

.page-contact .fc-pin__text {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(234, 241, 248, .86);
}

.page-contact .fc-pin__more {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--fc-hair-soft);
}

.page-contact .fc-pin__more summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--xy-cyan);
}

.page-contact .fc-pin__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .fc-pin__more summary::after {
  content: "+";
  font-family: var(--xy-mono);
  font-size: 17px;
  line-height: 1;
  transition: transform .24s var(--xy-ease);
}

.page-contact .fc-pin__more[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .fc-pin__more summary:focus-visible {
  outline: 2px solid var(--xy-cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-contact .fc-pin__points {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .fc-pin__points li {
  display: flex;
  gap: 11px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(234, 241, 248, .84);
}

.page-contact .fc-pin__points li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: .66em;
  border-radius: 50%;
  background: var(--xy-cyan);
}

.page-contact .fc-pin__figure {
  margin: 0;
  border-radius: var(--xy-r-m);
  overflow: hidden;
  border: 1px solid rgba(247, 183, 51, .3);
  background: rgba(10, 26, 47, .6);
}

.page-contact .fc-pin__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 通用小节头 ---------- */
.page-contact .fc-sec__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 4vw, 32px);
}

.page-contact .fc-sec__head .xy-h2 {
  margin-bottom: 12px;
}

.page-contact .fc-sec__eyebrow {
  margin: 0 0 10px;
  font-family: var(--xy-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--xy-cyan);
}

/* ---------- 三类反馈 ---------- */
.page-contact .fc-types {
  padding-block: clamp(36px, 7vw, 68px);
}

.page-contact .fc-types__figure {
  margin: 0 0 clamp(22px, 4vw, 34px);
  border-radius: var(--xy-r-l);
  overflow: hidden;
  border: 1px solid var(--fc-hair-soft);
  background: linear-gradient(120deg, rgba(44, 229, 210, .1), rgba(18, 41, 74, .62));
}

.page-contact .fc-types__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .fc-types__grid {
  display: grid;
  gap: clamp(14px, 3vw, 22px);
}

.page-contact .fc-type {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3.4vw, 28px);
  border-radius: var(--xy-r-m);
  border: 1px solid var(--fc-hair-soft);
  border-top: 3px solid var(--xy-cyan);
  background: var(--fc-card);
}

.page-contact .fc-type--coral {
  border-top-color: var(--xy-coral);
}

.page-contact .fc-type--gold {
  border-top-color: var(--xy-gold);
}

.page-contact .fc-type__tag {
  align-self: flex-start;
  padding: 6px 15px;
  border-radius: var(--xy-pill);
  border: 1px solid currentColor;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--xy-cyan);
}

.page-contact .fc-type--coral .fc-type__tag {
  color: var(--xy-coral);
}

.page-contact .fc-type--gold .fc-type__tag {
  color: var(--xy-gold);
}

.page-contact .fc-type p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(234, 241, 248, .8);
}

.page-contact .fc-type__need {
  margin-top: auto !important;
  padding: 12px 14px;
  border-radius: var(--xy-r-s);
  border-left: 3px solid rgba(44, 229, 210, .55);
  background: rgba(10, 26, 47, .72);
  font-size: 13.5px !important;
  color: rgba(234, 241, 248, .88) !important;
}

/* ---------- 联系渠道 ---------- */
.page-contact .fc-reach {
  padding-block: clamp(36px, 7vw, 68px);
}

.page-contact .fc-reach__panel {
  padding: clamp(24px, 5vw, 48px);
  border-radius: var(--xy-r-l);
  background: var(--xy-fog);
  color: var(--xy-deep);
}

.page-contact .fc-reach__head {
  max-width: 64ch;
}

.page-contact .fc-reach__eyebrow {
  margin: 0 0 10px;
  font-family: var(--xy-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--fc-ink-cyan);
}

.page-contact .fc-reach__panel .xy-h2 {
  margin-bottom: 12px;
  color: var(--xy-deep);
}

.page-contact .fc-reach__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(6, 16, 31, .7);
}

.page-contact .fc-reach__list {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 3vw, 20px);
}

.page-contact .fc-reach__item {
  padding: 20px 20px 22px;
  border-radius: var(--xy-r-m);
  background: var(--xy-white);
  border: 1px solid rgba(6, 16, 31, .1);
  box-shadow: 0 20px 44px -34px rgba(6, 16, 31, .85);
}

.page-contact .fc-reach__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--xy-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fc-ink-cyan);
}

.page-contact .fc-reach__item .xy-h3 {
  margin-bottom: 8px;
  color: var(--xy-deep);
}

.page-contact .fc-reach__value {
  margin: 0;
  font-family: var(--xy-mono);
  font-size: clamp(13.5px, 3.4vw, 15px);
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--xy-deep);
  word-break: break-word;
  user-select: all;
}

.page-contact .fc-reach__desc {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(6, 16, 31, .68);
}

/* ---------- 处理节奏 ---------- */
.page-contact .fc-flow {
  padding-block: clamp(36px, 7vw, 68px);
}

.page-contact .fc-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fc-hair-soft);
}

.page-contact .fc-flow__item {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 3.4vw, 26px) 0;
  border-bottom: 1px solid var(--fc-hair-soft);
}

.page-contact .fc-flow__step {
  font-family: var(--xy-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--xy-gold);
}

.page-contact .fc-flow__item .xy-h3 {
  margin-bottom: 8px;
}

.page-contact .fc-flow__item p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 241, 248, .8);
}

/* ---------- 提交前自查 ---------- */
.page-contact .fc-check {
  padding-block: clamp(36px, 7vw, 68px);
}

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

.page-contact .fc-check__item {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--xy-r-m);
  background: rgba(18, 41, 74, .5);
  border: 1px dashed rgba(143, 163, 191, .34);
}

.page-contact .fc-check__num {
  flex: 0 0 auto;
  font-family: var(--xy-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--xy-cyan);
}

.page-contact .fc-check__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(234, 241, 248, .82);
}

/* ---------- 相关页面 ---------- */
.page-contact .fc-next {
  padding-block: clamp(30px, 6vw, 56px) 0;
}

.page-contact .fc-next__box {
  padding: clamp(24px, 4.4vw, 40px);
  border-radius: var(--xy-r-l);
  border: 1px solid var(--fc-hair-soft);
  background: linear-gradient(115deg, rgba(44, 229, 210, .1), rgba(10, 26, 47, .32) 62%);
}

.page-contact .fc-next__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 241, 248, .8);
}

.page-contact .fc-next__links {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .fc-next__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--xy-r-s);
  border: 1px solid rgba(44, 229, 210, .3);
  color: var(--xy-white);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: background .22s var(--xy-ease), border-color .22s var(--xy-ease), transform .22s var(--xy-ease);
}

.page-contact .fc-next__links a:hover,
.page-contact .fc-next__links a:focus-visible {
  background: rgba(44, 229, 210, .12);
  border-color: var(--xy-cyan);
  transform: translateX(4px);
}

.page-contact .fc-next__idx {
  font-family: var(--xy-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--xy-cyan);
}

.page-contact .fc-next__back {
  margin: clamp(18px, 3vw, 24px) 0 0;
  font-size: 14px;
}

.page-contact .fc-next__back a {
  color: var(--xy-coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 69, .45);
  padding-bottom: 2px;
}

.page-contact .fc-next__back a:hover,
.page-contact .fc-next__back a:focus-visible {
  border-bottom-color: var(--xy-coral);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-contact .fc-types__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fc-check__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fc-flow__item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-contact .fc-pin__card {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: center;
  }

  .page-contact .fc-reach__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 偏好减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .fc-next__links a,
  .page-contact .fc-pin__more summary::after {
    transition: none;
  }

  .page-contact .fc-next__links a:hover,
  .page-contact .fc-next__links a:focus-visible {
    transform: none;
  }
}