.page-contact {
  --fb-slab: #0d1e33;
  --fb-slab-2: #102a35;
  --fb-radius: 14px;
  --fb-bar-track: rgba(42, 66, 88, .55);
}

.page-contact figure {
  margin: 0;
}

.page-contact .fb-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .fb-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(34px, 6vw, 76px) clamp(36px, 6vw, 68px);
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: 48vw;
  height: 48vw;
  max-width: 620px;
  max-height: 620px;
  background: radial-gradient(circle, rgba(43, 227, 167, .14), transparent 68%);
  pointer-events: none;
}

.page-contact .fb-hero__inner {
  position: relative;
}

.page-contact .fb-hero__title {
  margin: 16px 0 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(32px, 5.4vw, 76px);
  line-height: 1.04;
  letter-spacing: .005em;
  color: var(--yx-ice);
  max-width: 20ch;
}

.page-contact .fb-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--yx-mist);
}

.page-contact .fb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .fb-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--yx-line);
}

.page-contact .fb-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px 4px 0;
}

.page-contact .fb-fact__num {
  font-family: var(--yx-font-numeric);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1;
  color: var(--yx-signal);
}

.page-contact .fb-fact__num--sm {
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: -.01em;
}

.page-contact .fb-fact__num--amber {
  color: var(--yx-amber);
}

.page-contact .fb-fact__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--yx-mist);
}

/* ---------- 01 反馈入口 ---------- */

.page-contact .fb-entry__inner {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .fb-entry__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
  color: var(--yx-ice);
}

.page-contact .fb-entry__body {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--yx-mist);
}

.page-contact .fb-entry__card {
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .fb-entry__card-title {
  margin: 0 0 16px;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--yx-signal);
}

.page-contact .fb-entry__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .fb-entry__list li {
  padding: 14px 0;
  border-top: 1px solid var(--yx-line);
}

.page-contact .fb-entry__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .fb-entry__q {
  margin: 0;
  font-size: 15px;
  color: var(--yx-ice);
}

.page-contact .fb-entry__a {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yx-mist);
}

/* ---------- 02 反馈类型与处理时长 ---------- */

.page-contact .fb-types__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .fb-types__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .fb-type {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "num .page-contact time"
    "bar bar bar";
  align-items: start;
  gap: 4px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--yx-line);
}

.page-contact .fb-type:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .fb-type__num {
  grid-area: num;
  font-family: var(--yx-font-numeric);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: .08em;
  color: var(--yx-signal);
}

.page-contact .fb-type__num--amber {
  color: var(--yx-amber);
}

.page-contact .fb-type__body {
  grid-area: body;
}

.page-contact .fb-type__title {
  margin: 0;
  font-family: var(--yx-font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: .01em;
  color: var(--yx-ice);
}

.page-contact .fb-type__desc {
  margin: 8px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-mist);
}

.page-contact .fb-type__time {
  grid-area: time;
  align-self: start;
  justify-self: end;
  white-space: nowrap;
  padding: 4px 12px;
  border: 1px solid var(--yx-line);
  border-radius: 999px;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  color: var(--yx-signal);
}

.page-contact .fb-type__time--amber {
  border-color: var(--yx-amber-dim);
  color: var(--yx-amber);
}

.page-contact .fb-bar {
  grid-area: bar;
  display: block;
  position: relative;
  height: 6px;
  margin-top: 14px;
  border-radius: 3px;
  background: var(--fb-bar-track);
  overflow: hidden;
}

.page-contact .fb-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.page-contact .fb-bar__fill--signal {
  width: 100%;
  background: var(--yx-signal);
}

.page-contact .fb-bar__fill--amber {
  width: 24%;
  background: var(--yx-amber);
}

.page-contact .fb-types__figure {
  align-self: start;
}

.page-contact .fb-types__figure .yx-media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yx-mist);
}

/* ---------- 03 提交前准备 ---------- */

.page-contact .fb-prep__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--yx-line);
  border: 1px solid var(--yx-line);
  border-radius: var(--fb-radius);
  overflow: hidden;
}

.page-contact .fb-prep__list li {
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--fb-slab);
}

.page-contact .fb-prep__num {
  display: block;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--yx-signal);
}

.page-contact .fb-prep__title {
  margin: 12px 0 0;
  font-family: var(--yx-font-display);
  font-weight: 400;
  font-size: 21px;
  color: var(--yx-ice);
}

.page-contact .fb-prep__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yx-mist);
}

/* ---------- 04 提交与联系 ---------- */

.page-contact .fb-submit__figure {
  margin: clamp(22px, 3vw, 36px) 0 0;
}

.page-contact .fb-submit__figure .yx-media__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--yx-mist);
}

.page-contact .fb-submit__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .fb-form {
  padding: clamp(20px, 3vw, 36px);
}

.page-contact .fb-form__title {
  margin: 0 0 22px;
  font-family: var(--yx-font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 28px);
  color: var(--yx-ice);
}

.page-contact .fb-field {
  margin-bottom: 20px;
}

.page-contact .fb-field__label {
  display: block;
  margin: 0 0 9px;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-mist);
}

.page-contact .fb-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .fb-choice {
  position: relative;
  display: inline-flex;
}

.page-contact .fb-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .fb-choice span {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--yx-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--yx-ice);
  cursor: pointer;
  transition: background-color .22s var(--yx-ease), border-color .22s var(--yx-ease), color .22s var(--yx-ease);
}

.page-contact .fb-choice:hover span {
  border-color: var(--yx-signal-dim);
}

.page-contact .fb-choice input:checked + span {
  background: var(--yx-signal);
  border-color: var(--yx-signal);
  color: #04160f;
}

.page-contact .fb-choice input:focus-visible + span {
  outline: 2px solid var(--yx-signal);
  outline-offset: 2px;
}

.page-contact .fb-input,
.page-contact .fb-textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--yx-line);
  border-radius: 8px;
  background: rgba(10, 23, 41, .72);
  color: var(--yx-ice);
  font-family: var(--yx-font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color .22s var(--yx-ease), box-shadow .22s var(--yx-ease);
}

.page-contact .fb-textarea {
  resize: vertical;
  min-height: 118px;
}

.page-contact .fb-input::placeholder,
.page-contact .fb-textarea::placeholder {
  color: rgba(143, 169, 188, .7);
}

.page-contact .fb-input:focus,
.page-contact .fb-textarea:focus {
  border-color: var(--yx-signal);
  outline: none;
  box-shadow: 0 0 0 3px var(--yx-signal-dim);
}

.page-contact .fb-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yx-ice);
  cursor: pointer;
}

.page-contact .fb-check input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  accent-color: var(--yx-signal);
}

.page-contact .fb-form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--yx-line);
}

.page-contact .fb-form__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yx-mist);
}

.page-contact .fb-channel {
  align-self: start;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--yx-line);
  border-radius: var(--fb-radius);
  background: rgba(14, 46, 51, .55);
}

.page-contact .fb-channel__scale {
  display: block;
  height: 10px;
  margin-bottom: 20px;
  background-image: repeating-linear-gradient(90deg, var(--yx-line) 0 1px, transparent 1px 14px);
}

.page-contact .fb-channel__title {
  margin: 0 0 18px;
  font-family: var(--yx-font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--yx-ice);
}

.page-contact .fb-channel__item {
  padding: 16px 0;
  border-top: 1px solid var(--yx-line);
}

.page-contact .fb-channel__item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .fb-channel__key {
  margin: 0;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-mist);
}

.page-contact .fb-channel__value {
  margin: 8px 0 0;
  font-family: var(--yx-font-numeric);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .fb-channel__value a {
  color: var(--yx-signal);
  text-decoration: none;
  border-bottom: 1px solid var(--yx-signal-dim);
}

.page-contact .fb-channel__value a:hover {
  border-bottom-color: var(--yx-signal);
}

.page-contact .fb-channel__value a:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: 3px;
}

.page-contact .fb-channel__value--plain {
  font-family: var(--yx-font-body);
  font-size: 15px;
  color: var(--yx-ice);
  word-break: normal;
}

.page-contact .fb-channel__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--yx-mist);
}

.page-contact .fb-channel__stamp {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--yx-line);
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yx-mist);
}

/* ---------- 05 合作与内容协作 ---------- */

.page-contact .fb-partner__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .fb-partner__item {
  padding-top: 18px;
  border-top: 2px solid var(--yx-signal-dim);
}

.page-contact .fb-partner__title {
  margin: 0;
  font-family: var(--yx-font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 25px);
  color: var(--yx-ice);
}

.page-contact .fb-partner__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-mist);
}

/* ---------- 收束 ---------- */

.page-contact .fb-next {
  padding-block: clamp(36px, 5vw, 64px);
}

.page-contact .fb-next__title {
  margin: 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 36px);
  color: var(--yx-ice);
}

.page-contact .fb-next__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  margin-top: clamp(20px, 3vw, 32px);
  background: var(--yx-line);
  border: 1px solid var(--yx-line);
  border-radius: var(--fb-radius);
  overflow: hidden;
}

.page-contact .fb-next__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--fb-slab-2);
  text-decoration: none;
  transition: background-color .22s var(--yx-ease);
}

.page-contact .fb-next__link:hover {
  background: #143441;
}

.page-contact .fb-next__link:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: -2px;
}

.page-contact .fb-next__label {
  font-family: var(--yx-font-display);
  font-size: 21px;
  color: var(--yx-signal);
}

.page-contact .fb-next__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--yx-mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-contact .fb-entry__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .fb-types__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-contact .fb-submit__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }
}

@media (max-width: 560px) {
  .page-contact .fb-type {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "num time"
      "body body"
      "bar bar";
    gap: 8px 12px;
  }

  .page-contact .fb-type__time {
    justify-self: end;
  }

  .page-contact .fb-hero__facts {
    grid-template-columns: 1fr;
  }

  .page-contact .fb-fact {
    padding-right: 0;
  }

  .page-contact .fb-form__foot {
    align-items: flex-start;
  }

  .page-contact .fb-form__send {
    width: 100%;
  }
}
<<<END>>>