/* ============ 意见反馈页 ============ */
.page-contact {
  --fb-rail-w: 15.5rem;
  --fb-hair: rgba(201, 210, 206, 0.22);
  background: var(--c-night);
  color: var(--c-paper);
  overflow-x: clip;
  padding-bottom: 0;
}

.page-contact .mono-label {
  margin: 0 0 0.55rem;
  color: var(--c-amber);
  letter-spacing: 0.16em;
}

/* ---------- 面包屑 ---------- */
.page-contact .fb-crumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
  padding-bottom: clamp(0.5rem, 2vw, 0.75rem);
}

.page-contact .breadcrumb__link,
.page-contact .breadcrumb__item {
  color: var(--c-mist);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--c-neon);
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 160% at 88% 0%, rgba(23, 194, 106, 0.2), rgba(11, 26, 43, 0) 58%),
    linear-gradient(158deg, var(--c-night) 0%, var(--c-stand) 100%);
  padding: clamp(2.2rem, 6vw, 4rem) 0 clamp(2.4rem, 6vw, 4.2rem);
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-turf), rgba(23, 194, 106, 0) 62%);
}

.page-contact .fb-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: 44%;
  height: 170%;
  background: linear-gradient(200deg, rgba(245, 165, 36, 0.2), rgba(11, 26, 43, 0) 70%);
  transform: rotate(13deg);
  pointer-events: none;
}

.page-contact .fb-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .fb-hero__lead {
  min-width: 0;
}

.page-contact .fb-hero__title {
  margin: 0.55rem 0 0;
  font-size: clamp(2.3rem, 6.4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-contact .fb-hero__intro {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(244, 241, 233, 0.82);
}

.page-contact .fb-hero__actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-contact .btn--ghost {
  border: 1px solid var(--fb-hair);
  background: transparent;
  color: var(--c-paper);
}

.page-contact .btn--ghost:hover,
.page-contact .btn--ghost:focus-visible {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.page-contact .fb-hero__board {
  border: 1px solid var(--fb-hair);
  border-radius: var(--radius-l);
  padding: 1.1rem 1.2rem 1.2rem;
  background: rgba(11, 26, 43, 0.55);
}

.page-contact .fb-board__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-contact .fb-board__time {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5.5vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-turf);
}

.page-contact .fb-board__dash {
  margin: 0 0.15em;
  color: var(--c-mist);
  font-size: 0.72em;
}

.page-contact .fb-board__zone {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-paper);
}

.page-contact .fb-board__note {
  margin: 0.7rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--fb-hair);
  font-size: 0.85rem;
  color: rgba(244, 241, 233, 0.75);
}

@media (min-width: 940px) {
  .page-contact .fb-hero__inner {
    grid-template-columns: minmax(0, 1fr) 17rem;
    align-items: end;
  }
}

/* ---------- 双栏骨架 ---------- */
.page-contact .fb-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(2.2rem, 5vw, 3.25rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .fb-main {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-contact .fb-layout {
    grid-template-columns: var(--fb-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .fb-rail {
    position: sticky;
    top: 5.5rem;
  }
}

/* ---------- 左窄栏 ---------- */
.page-contact .fb-rail {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.page-contact .fb-rail .rail__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .fb-rail__links {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .fb-rail__links .rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--fb-hair);
  border-radius: 999px;
  font-size: 0.85rem;
  color: rgba(244, 241, 233, 0.86);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .fb-rail__links .rail__link:hover,
.page-contact .fb-rail__links .rail__link:focus-visible {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.page-contact .fb-rail__idx {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-amber);
}

.page-contact .fb-rail__clock {
  border: 1px solid var(--fb-hair);
  border-radius: var(--radius-m);
  padding: 0.9rem 1rem 0.8rem;
  background: rgba(14, 46, 42, 0.5);
}

.page-contact .fb-clock {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .fb-clock rect {
  cursor: default;
  transition: opacity var(--t-fast) var(--ease);
}

.page-contact .fb-clock rect:hover {
  opacity: 0.72;
}

.page-contact .fb-clock__off {
  fill: rgba(110, 139, 147, 0.4);
}

.page-contact .fb-clock__on {
  fill: var(--c-turf);
}

.page-contact .fb-clock__tick {
  stroke: rgba(244, 241, 233, 0.6);
  stroke-width: 1.5;
}

.page-contact .fb-clock text {
  fill: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

@media (min-width: 1000px) {
  .page-contact .fb-rail__links {
    flex-direction: column;
    gap: 0.1rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .fb-rail__links .rail__link {
    border: none;
    border-left: 2px solid var(--fb-hair);
    border-radius: 0;
    padding: 0.4rem 0 0.4rem 0.85rem;
    white-space: normal;
  }

  .page-contact .fb-rail__links .rail__link:hover,
  .page-contact .fb-rail__links .rail__link:focus-visible {
    border-left-color: var(--c-neon);
  }
}

/* ---------- 区块共通 ---------- */
.page-contact .fb-block + .fb-block {
  margin-top: clamp(2.4rem, 5.5vw, 3.8rem);
}

.page-contact .section__title {
  color: var(--c-paper);
}

.page-contact .section__lead {
  max-width: 56ch;
  color: rgba(244, 241, 233, 0.76);
}

/* ---------- 反馈前准备 ---------- */
.page-contact .fb-prep {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-prep__item {
  padding: 1.1rem 1.15rem 1.25rem;
  border-top: 2px solid var(--c-turf);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  background: rgba(14, 46, 42, 0.42);
}

.page-contact .fb-prep__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--c-turf);
}

.page-contact .fb-prep__title {
  margin: 0.5rem 0 0.4rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--c-paper);
}

.page-contact .fb-prep__item p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.74);
}

@media (min-width: 760px) {
  .page-contact .fb-prep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 联系渠道 ---------- */
.page-contact .fb-channels {
  margin-top: 1.6rem;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-channel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-contact .fb-channel .card__title {
  margin: 0;
  color: var(--c-paper);
}

.page-contact .fb-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.9vw, 0.98rem);
  letter-spacing: 0.02em;
  color: var(--c-neon);
  word-break: break-all;
}

.page-contact .fb-channel__value--text {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--c-paper);
  word-break: normal;
}

.page-contact .fb-channel__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.74);
}

.page-contact .fb-channel .card__meta {
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px solid var(--fb-hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-contact .fb-channels__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l);
  aspect-ratio: 10 / 7;
  background: linear-gradient(160deg, var(--c-stand), var(--c-night));
}

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

.page-contact .fb-channels__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 43, 0.05), rgba(11, 26, 43, 0.6));
  pointer-events: none;
}

@media (min-width: 760px) {
  .page-contact .fb-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .fb-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fb-channels__figure {
    order: -1;
    grid-row: span 2;
  }

  .page-contact .fb-channel--addr {
    grid-column: span 2;
  }
}

/* ---------- 处理时段 ---------- */
.page-contact .fb-hours__grid {
  margin-top: 1.6rem;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-hours__grid .stat {
  padding-top: 1rem;
  border-top: 1px solid var(--fb-hair);
}

.page-contact .fb-hours__grid .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-turf);
}

.page-contact .fb-hours__grid .stat__label {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(244, 241, 233, 0.7);
}

@media (min-width: 760px) {
  .page-contact .fb-hours__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 处理路径 ---------- */
.page-contact .fb-block .filter-bar {
  margin-top: 1.5rem;
}

.page-contact .filter-btn {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--fb-hair);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(244, 241, 233, 0.78);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.page-contact .filter-btn[aria-pressed="true"] {
  border-color: var(--c-amber);
  background: rgba(245, 165, 36, 0.12);
  color: var(--c-amber);
}

.page-contact .fb-paths {
  margin-top: 1.25rem;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-path {
  display: flex;
  flex-direction: column;
}

.page-contact .fb-path .tag {
  align-self: flex-start;
}

.page-contact .fb-path .card__title {
  margin: 0.75rem 0 0.6rem;
  font-size: clamp(1.02rem, 2.2vw, 1.15rem);
  line-height: 1.5;
  color: var(--c-paper);
}

.page-contact .fb-path__case {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.72);
}

.page-contact .fb-path__steps {
  list-style: none;
  counter-reset: fbstep;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .fb-path__steps li {
  position: relative;
  counter-increment: fbstep;
  padding-left: 2.3rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(244, 241, 233, 0.82);
}

.page-contact .fb-path__steps li::before {
  content: counter(fbstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.2rem;
  padding: 0.05rem 0.3rem;
  border: 1px solid rgba(245, 165, 36, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.25;
  letter-spacing: 0.06em;
  color: var(--c-amber);
}

@media (min-width: 900px) {
  .page-contact .fb-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 服务范围 ---------- */
.page-contact .fb-coverage {
  margin-top: 1.6rem;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-coverage__panel {
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border: 1px solid var(--fb-hair);
  border-radius: var(--radius-l);
}

.page-contact .fb-coverage__panel--local {
  background: linear-gradient(158deg, var(--c-indigo), var(--c-night));
}

.page-contact .fb-coverage__panel--wide {
  background: linear-gradient(158deg, var(--c-stand), var(--c-night));
}

.page-contact .fb-coverage__figure {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-turf);
}

.page-contact .fb-coverage__panel--wide .fb-coverage__figure {
  color: var(--c-amber);
}

.page-contact .fb-coverage__unit {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .fb-coverage__title {
  margin: 1rem 0 0.55rem;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--c-paper);
}

.page-contact .fb-coverage__panel p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(244, 241, 233, 0.76);
}

@media (min-width: 860px) {
  .page-contact .fb-coverage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }
}

/* ---------- 资料与合规 ---------- */
.page-contact .fb-docs {
  margin-top: 1.6rem;
  display: grid;
  gap: 1rem;
}

.page-contact .fb-doc {
  display: block;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .fb-doc:hover,
.page-contact .fb-doc:focus-visible {
  border-color: var(--c-neon);
  transform: translateY(-2px);
}

.page-contact .fb-doc .card__title {
  margin: 0.5rem 0;
  color: var(--c-paper);
}

.page-contact .fb-doc p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.74);
}

.page-contact .fb-doc .fb-doc__go {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-neon);
}

.page-contact .fb-inline-links {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 241, 233, 0.72);
}

.page-contact .fb-inline-links a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .fb-inline-links a:hover,
.page-contact .fb-inline-links a:focus-visible {
  color: var(--c-neon);
}

@media (min-width: 760px) {
  .page-contact .fb-docs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 页尾本地信息带 ---------- */
.page-contact .fb-belt {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--fb-hair);
  background: var(--c-night);
}

.page-contact .fb-belt__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.55) brightness(0.85);
}

.page-contact .fb-belt::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 43, 0.72), rgba(14, 46, 42, 0.88));
  pointer-events: none;
}

.page-contact .fb-belt__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(2.5rem, 6vw, 3.8rem);
  padding-bottom: clamp(2.5rem, 6vw, 3.8rem);
}

.page-contact .fb-belt__title {
  margin: 0.5rem 0 0;
  max-width: 30ch;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .fb-belt__text {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(244, 241, 233, 0.78);
}

.page-contact .fb-belt__foot {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--fb-hair);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-turf);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-btn,
  .page-contact .fb-doc,
  .page-contact .fb-rail__links .rail__link,
  .page-contact .fb-clock rect {
    transition: none;
  }
}