*,
*::before,
*::after {
  box-sizing: border-box;
}

@font-face {
  font-family: "Ubuntu";
  font-style: normal;
  font-weight: 300;
  src: url("vendors/fonts/Ubuntu-all-300.eee7feff9b75.woff2") format("woff2"),
    url("vendors/fonts/Ubuntu-all-300.e9afb0242c00.woff") format("woff");
  font-display: swap;
}

html {
  scroll-behavior: smooth;
}

body {
  --ft-page-title-size: 38px;
  --ft-auth-title-size: 36px;
  min-width: 320px;
  overflow-x: clip;
}

img,
svg,
canvas,
video {
  max-width: 100%;
}

.spirit_wrapper,
.spirit {
  min-height: 100vh;
  background: transparent;
}

.layout,
.ft-wide-shell {
  width: var(--ft-container);
  max-width: var(--ft-container);
  margin: 0 auto;
  min-width: 0;
}

.layout {
  padding-bottom: 40px;
}

.ft-wide-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ft-wide-main {
  flex: 1;
  width: 100%;
  min-width: 0;
  padding: 0;
}

.layout__article,
.ft-wide-article,
.ft-account-shell {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 24px 0 48px;
  min-width: 0;
}

.layout__header {
  width: 100%;
  max-width: 100%;
  margin: 16px auto 16px;
}

.layout__article.ft-wide-article,
.layout__article.ft-advanced-shell,
.layout__article.ft-forum-wide {
  width: 100%;
  max-width: 100%;
}

.ft-result-topic-detail {
  display: grid;
  gap: 20px;
}

.ft-result-topic-hero,
.ft-result-topic-warning,
.ft-result-topic-discussion {
  padding: 20px;
}

.ft-result-topic-hero {
  display: grid;
  gap: 16px;
  border-color: rgba(43, 127, 147, 0.2);
  background:
    linear-gradient(135deg, rgba(43, 127, 147, 0.08), rgba(255, 255, 255, 0) 58%),
    var(--ft-color-surface);
}

.ft-result-topic-hero__main,
.ft-result-topic-discussion__head {
  display: grid;
  gap: 10px;
}

.ft-result-topic-hero__eyebrow {
  color: var(--ft-color-cyan);
  font-family: var(--ft-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ft-result-topic-hero__lead,
.ft-result-topic-discussion__head p,
.ft-result-topic-warning p {
  margin: 0;
  color: var(--ft-color-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.ft-result-topic-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ft-result-topic-warning h2,
.ft-result-topic-discussion__head h2 {
  margin: 0;
  color: var(--ft-color-text);
}

.ft-result-topic-discussion {
  display: grid;
  gap: 18px;
}

.ft-result-topic-report {
  position: relative;
  overflow: hidden;
  padding: 0;
  min-height: 420px;
}

.ft-result-topic-report__loading {
  display: grid;
  gap: 12px;
  padding: 24px;
  min-height: 220px;
  align-content: center;
  background:
    linear-gradient(135deg, rgba(43, 127, 147, 0.08), rgba(255, 255, 255, 0) 58%),
    var(--ft-color-surface);
}

[hidden] {
  display: none !important;
}

.ft-result-topic-report__loading h2,
.ft-result-topic-report__loading p {
  margin: 0;
}

.ft-result-topic-report__frame {
  display: block;
  width: 100%;
  min-height: 420px;
  border: 0;
  background: transparent;
  opacity: 0;
  transition: opacity var(--ft-transition);
}

.ft-result-topic-report__frame.is-ready {
  opacity: 1;
}

.ft-result-topic-report-unavailable {
  margin: 0;
  padding: 24px;
}

.ft-result-topic-report .ft-result-report {
  padding-top: 0;
}

.layout__footer {
  margin-top: 32px;
}

.ft-site-header {
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background:
    linear-gradient(90deg, rgba(43, 127, 147, 0.05), transparent 42%),
    rgba(255, 255, 255, 0.92);
  box-shadow: var(--ft-shadow-soft);
}

.ft-site-header__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px 16px;
}

.ft-site-brand-wrap,
.ft-site-brand__text,
.ft-header-nav {
  min-width: 0;
}

.ft-site-brand {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  color: var(--ft-color-text);
}

.ft-site-brand__mark {
  display: block;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  background: transparent;
  transition: border-color var(--ft-transition), background-color var(--ft-transition), filter var(--ft-transition);
}

.ft-site-brand__mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ft-site-brand:hover .ft-site-brand__mark,
.ft-site-brand:focus-visible .ft-site-brand__mark {
  border-color: rgba(43, 127, 147, 0.16);
  background: rgba(43, 127, 147, 0.05);
  filter: drop-shadow(0 8px 18px rgba(22, 40, 50, 0.08));
}

.ft-site-brand__title {
  display: block;
  color: var(--ft-color-text);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.ft-site-brand__meta {
  display: block;
  margin-top: 3px;
  color: var(--ft-color-text-soft);
  font-size: 12px;
}

.ft-header-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ft-header-tabs a,
.ft-header-login,
.ft-header-vip,
.ft-header-language {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--ft-radius-sm);
  color: var(--ft-color-text-soft);
  font-weight: 500;
  transition: all var(--ft-transition);
}

.ft-header-vip {
  border-color: var(--ft-color-line);
  background: var(--ft-color-bg);
  color: var(--ft-color-text);
  font-weight: 600;
  white-space: nowrap;
}

.ft-header-tabs a:hover,
.ft-header-login:hover {
  color: var(--ft-color-cyan);
  background: var(--ft-color-cyan-soft);
}

.ft-header-language {
  color: var(--ft-color-text-faint);
  padding: 0;
}

.ft-header-language span {
  display: none;
}

.ft-header-language select {
  min-height: 34px;
  width: auto;
  padding: 6px 28px 6px 10px;
  font-size: 12px;
}

.ft-header-panels {
  position: relative;
}

.ft-header-dropdown {
  position: absolute;
  right: 8px;
  top: 8px;
  z-index: 40;
  min-width: 220px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-modal);
  padding: 8px;
}

.menu_list,
.nav__tabs,
.comment__actions,
.breadcrumb_nav,
.paginator,
.comment__footer__share__menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu_list__link,
.admin-quick-link,
.ft-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  padding: 9px 10px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: rgba(248, 250, 251, 0.82);
  color: var(--ft-color-text-soft);
}

.menu_list__link:hover,
.admin-quick-link:hover,
.ft-menu-link:hover {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
  background: rgba(43, 127, 147, 0.05);
}

/* Account center menu grid */
.ft-menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.ft-menu-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 20px 18px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: rgba(248, 250, 251, 0.82);
  color: var(--ft-color-text-soft);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.ft-menu-card:hover {
  border-color: var(--ft-color-cyan);
  box-shadow: 0 2px 8px rgba(43, 127, 147, 0.1);
  transform: translateY(-1px);
}

.ft-menu-card__icon {
  font-size: 1.4rem;
  color: var(--ft-color-cyan);
  margin-bottom: 4px;
}

.ft-menu-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ft-color-text);
}

.ft-menu-card__desc {
  font-size: 0.8rem;
  color: var(--ft-color-text-faint);
  line-height: 1.3;
}

.ft-menu-card--admin {
  border-color: rgba(220, 53, 69, 0.25);
}

.ft-menu-card--admin .ft-menu-card__icon {
  color: #dc3545;
}

.ft-menu-card--admin:hover {
  border-color: #dc3545;
  box-shadow: 0 2px 8px rgba(220, 53, 69, 0.1);
}

.ft-menu-panel--hub {
  padding: 24px;
}

.ft-menu-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ft-color-line);
}

.ft-btn--logout {
  color: var(--ft-color-text-faint);
}

.ft-btn--logout:hover {
  color: #dc3545;
}

@media (max-width: 640px) {
  .ft-menu-grid {
    grid-template-columns: 1fr;
  }
  .ft-menu-panel--hub {
    padding: 16px;
  }
}

/* 用户下拉菜单中的积分展示行 */
.ft-user-credit-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--ft-color-line);
}
.ft-user-credit-line__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ft-color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ft-user-credit-line__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--ft-color-cyan);
  font-family: var(--ft-font-mono);
  text-decoration: none;
}
.ft-user-credit-line__value:hover {
  color: var(--ft-color-cyan-strong);
}

.ft-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding: 16px 0 32px;
  color: var(--ft-color-text-faint);
  font-size: 12px;
}

.ft-footer a {
  color: var(--ft-color-text-soft);
}

.ft-footer a:hover {
  color: var(--ft-color-cyan);
}

.messages-toast-container {
  position: fixed;
  top: 72px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 320px;
  max-width: calc(100vw - 40px);
  pointer-events: none;
}

.messages-toast {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--ft-color-line);
  border-left: 3px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  pointer-events: auto;
  animation: ft-toast-in 220ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.messages-toast--info {
  border-left-color: var(--ft-color-cyan);
}

.messages-toast--error {
  border-left-color: var(--ft-color-danger);
}

.messages-toast__text {
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ft-color-text-soft);
}

.messages-toast--error .messages-toast__text {
  color: var(--ft-color-danger);
}

.messages-toast__close {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ft-color-text-faint);
  font-size: 13px;
  line-height: 1;
  padding: 0;
  opacity: 0.55;
  transition: opacity 200ms;
}

.messages-toast__close:hover {
  opacity: 1;
}

@keyframes ft-toast-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.layout__topics {
  display: grid;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  overflow: hidden;
}

.layout__topics__topic {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ft-color-line);
  min-width: 0;
}

.layout__topics__topic:last-child {
  border-bottom: 0;
}

.layout__topics__topic:hover {
  background: rgba(43, 127, 147, 0.04);
}

.topic__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ft-color-text);
  flex-wrap: wrap;
}

.topic__title .fa { color: var(--ft-color-text-soft); font-size: 13px; }

.topic__link {
  color: var(--ft-color-cyan-strong);
  font-weight: 600;
  text-decoration: none;
}
.topic__link:hover { text-decoration: underline; }

.topic__link.is-visited { color: #6a4ea3; }

.topic__snippet {
  margin: 0;
  color: var(--ft-color-text-soft);
  font-size: 13.5px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  color: var(--ft-color-text-soft);
  font-family: var(--ft-font-mono);
  font-size: 12px;
}

.topic__meta a {
  color: inherit;
  text-decoration: none;
}
.topic__meta a:hover { color: var(--ft-color-cyan); }

.topic__meta-sep {
  color: var(--ft-color-line-strong);
  font-family: var(--ft-font-mono);
}

.topic__category,
.topic__comments,
.topic__date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.js-comment-is-new,
.is-new {
  color: var(--ft-color-cyan);
}

.breadcrumb_nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--ft-color-text-soft);
  font-size: 12px;
}

.headline,
.ft-page-title {
  margin: 0 0 18px;
  color: var(--ft-color-text);
  font-size: var(--ft-page-title-size);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: 0;
}

.topic_edit_link {
  margin-left: 12px;
  font-size: 13px;
}

.layout__menu,
.comments__footer_menu,
.comments__reply,
.comments__move,
.profile__info,
.profile__img,
.profile__profile_preferences,
.profile__private_message,
.ft-menu-panel,
.auth-card,
.ft-share-panel,
.ft-share-media-frame,
.ft-page-hero {
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-soft);
}

.ft-page-hero {
  padding: 36px 40px;
  margin-bottom: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(43, 127, 147, 0.08), transparent 30%),
    var(--ft-color-surface);
}

.ft-page-hero__eyebrow,
.auth-card__eyebrow,
.admin-hero__eyebrow {
  margin: 0 0 10px;
  color: var(--ft-color-cyan);
  font-family: var(--ft-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.auth-card__eyebrow {
  text-shadow: 0 0 14px rgba(43, 127, 147, 0.22);
}

.ft-page-intro,
.ft-page-copy,
.auth-card__lede,
.admin-page-intro {
  margin: 0;
  color: var(--ft-color-text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.ft-page-intro {
  font-size: 16px;
  max-width: 640px;
}

.ft-service-platform h2,
.ft-service-platform__copy {
  margin: 0;
}

.ft-service-platform {
  gap: 10px;
}

.ft-service-platform__copy {
  color: var(--ft-color-text-soft);
  line-height: 1.55;
}

.comments_list {
  display: grid;
  gap: 16px;
}

.comments_list__comment,
.comments_list__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px 14px;
  padding: 16px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-soft);
}

.comment__img {
  grid-row: span 3;
}

.comment__img img,
.profile__img__avatar,
.no-pic {
  width: 36px;
  height: 36px;
  border-radius: var(--ft-radius-sm);
  object-fit: cover;
}

.no-pic {
  display: grid;
  place-items: center;
  color: var(--ft-color-surface);
  font-weight: 600;
}

.comment__info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--ft-color-text-soft);
  font-size: 12px;
}

.comment__info__username__link {
  color: var(--ft-color-text);
  font-weight: 600;
}

.comment__info__date,
.comment__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--ft-color-text-soft);
  font-size: 12px;
}

.comment__text {
  color: var(--ft-color-text);
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.comment__text blockquote,
.comment__text pre,
.comment__footer__share,
.comments__move,
.comments__reply {
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface-soft);
}

.comment__footer {
  display: grid;
  gap: 10px;
}

.comment__footer__share__url {
  margin-bottom: 10px;
}

.comment__footer__share__menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.comments__footer_menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 18px 0;
  padding: 14px;
}

.comments__reply {
  display: grid;
  grid-template-columns: 40px minmax(120px, 0.25fr) minmax(0, 1fr);
  align-items: start;
}

.auth-portal {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding: 32px 0;
}

.auth-portal--split {
  grid-template-columns: minmax(260px, 0.78fr) minmax(320px, 420px);
  gap: 24px;
  align-items: stretch;
}

.auth-card {
  padding: 24px;
}

.auth-card--hero {
  display: grid;
  align-content: end;
  background:
    radial-gradient(circle at 16% 0%, rgba(43, 127, 147, 0.06), transparent 30%),
    var(--ft-color-surface);
}

.auth-card--surface {
  border-top: 2px solid var(--ft-color-cyan);
}

.auth-trial-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid rgba(43, 127, 147, 0.28);
  border-radius: var(--ft-radius-md);
  background: rgba(43, 127, 147, 0.06);
}

.auth-trial-note__badge {
  flex: 0 0 auto;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--ft-color-cyan);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.auth-trial-note__text {
  margin: 0;
  color: var(--ft-color-text-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

.auth-card__title {
  margin: 0 0 12px;
  color: var(--ft-color-text);
  font-size: var(--ft-auth-title-size);
  line-height: 1.08;
  font-weight: 600;
}

.auth-card__form {
  display: grid;
  gap: 14px;
}

.auth-card__divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  color: var(--ft-color-text-faint);
  font-size: 12px;
}

.auth-card__divider::before,
.auth-card__divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--ft-color-line);
}

.auth-social-button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  color: var(--ft-color-text);
}

.auth-social-button__icon {
  width: 18px;
  height: 18px;
}

.auth-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.auth-card__legal {
  margin: 16px 0 0;
  color: var(--ft-color-text-faint);
  font-size: 12px;
  line-height: 1.6;
}

.auth-math {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface-soft);
}

.profile__img,
.profile__info,
.profile__profile_preferences,
.profile__private_message {
  padding: 16px;
  margin-bottom: 12px;
}

.profile__img {
  display: flex;
  align-items: center;
  gap: 12px;
}

.profile__img__username {
  color: var(--ft-color-text);
  font-weight: 600;
}

.profile__info ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile__info li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ft-color-line);
}

.profile__info__title {
  color: var(--ft-color-text-soft);
}

.profile__info__date {
  color: var(--ft-color-text);
  font-family: var(--ft-font-mono);
}

.nav__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.nav__tabs__link {
  display: inline-flex;
  padding: 8px 10px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  color: var(--ft-color-text-soft);
}

.nav__tabs__link.is-selected {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
  background: var(--ft-color-cyan-soft);
}

.ft-floating-tools {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 999;
  display: grid;
  justify-items: end;
  gap: 10px;
}

.ft-floating-request,
.ft-floating-support {
  position: relative;
  width: 54px;
  min-height: 54px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 8px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ft-color-text);
  text-align: center;
  font-size: 11px;
  font-weight: 600;
}

.ft-floating-request:hover,
.ft-floating-support:hover {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
  background: rgba(43, 127, 147, 0.05);
}

.ft-floating-request__icon,
.ft-floating-support__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  color: var(--ft-color-cyan);
  font-size: 16px;
}

.ft-floating-request__label,
.ft-floating-request__meta,
.ft-floating-support__label,
.ft-floating-support__meta {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.ft-floating-request__meta,
.ft-floating-support__meta {
  color: var(--ft-color-text-faint);
  font-family: var(--ft-font-mono);
  font-size: 10px;
}

.ft-floating-support__badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 20px;
  min-height: 20px;
  border-radius: 999px;
  background: var(--ft-color-danger);
  color: var(--ft-color-surface);
  display: grid;
  place-items: center;
  font-size: 10px;
}

.ft-support-widget {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: min(390px, calc(100vw - 24px));
  /* Fixed-ish height so the panel can't grow tall enough to clip the
     header off-screen; only the message thread scrolls. */
  height: min(560px, calc(100vh - 100px));
  max-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-modal);
  overflow: hidden;
}

.ft-support-widget[hidden] {
  display: none;
}

/* All blocks except the thread keep their natural height; the thread
   takes whatever's left and is the only scrollable area. */
.ft-support-widget__header,
.ft-support-widget__intro,
.ft-support-widget__status,
.ft-support-widget__identity,
.ft-support-widget__composer {
  flex: 0 0 auto;
}

.ft-support-widget__header,
.ft-support-widget__intro,
.ft-support-widget__identity,
.ft-support-widget__thread,
.ft-support-widget__composer,
.ft-support-widget__status {
  padding: 14px;
}

/* Status / language-hint blocks only take vertical space when there's
   actual text to surface (set by support-widget.js); otherwise collapse. */
.ft-support-widget__status:empty {
  display: none;
  padding: 0;
}
.ft-support-widget__composer .ft-support-widget__status {
  padding: 8px 14px 0;
}

.ft-support-widget__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ft-color-line);
}

.ft-support-widget__eyebrow {
  margin: 0 0 4px;
  color: var(--ft-color-cyan);
  font-family: var(--ft-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ft-support-widget__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.ft-support-widget__meta,
.ft-support-widget__intro,
.ft-support-widget__status {
  color: var(--ft-color-text-soft);
  font-size: 12px;
  line-height: 1.6;
}

.ft-support-widget__close {
  min-height: 32px;
  width: 32px;
  padding: 0;
}

.ft-support-widget__identity {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ft-support-widget__thread {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  gap: 10px;
}

.ft-support-widget__empty,
.ft-support-widget__bubble {
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface-soft);
  color: var(--ft-color-text-soft);
  font-size: 13px;
  line-height: 1.6;
}

.ft-support-widget__bubble-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--ft-color-text-faint);
  font-size: 11px;
}

.ft-support-widget__bubble-meta strong {
  color: var(--ft-color-text);
}

.ft-support-widget__actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.ft-share-shell {
  display: grid;
  gap: 16px;
}

.ft-share-shell__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 420px);
  gap: 16px;
  align-items: start;
}

.ft-share-main,
.ft-share-side {
  display: grid;
  gap: 16px;
}

.ft-share-panel {
  padding: 16px;
}

.ft-share-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.ft-share-section-head {
  display: grid;
  gap: 8px;
}

.ft-share-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.ft-share-stat__value {
  display: block;
  margin-top: 6px;
  color: var(--ft-color-text);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.ft-share-device-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ft-share-rule-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--ft-color-text-soft);
  line-height: 1.7;
}

.ft-share-rule-list li {
  margin: 0;
}

.ft-share-panel__title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
}

.ft-share-panel__copy {
  margin: 0;
  color: var(--ft-color-text-soft);
  line-height: 1.7;
}

.ft-social-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ft-social-button {
  border-color: var(--ft-color-line-strong);
  background: var(--ft-color-surface);
  color: var(--ft-color-text);
  box-shadow: none;
}

.ft-social-button:hover,
.ft-social-button:focus-visible {
  border-color: rgba(43, 127, 147, 0.24);
  background: rgba(43, 127, 147, 0.08);
  color: var(--ft-color-cyan-strong);
  box-shadow: none;
  transform: none;
}

.ft-social-button.is-active {
  border-color: rgba(43, 127, 147, 0.32);
  background: rgba(43, 127, 147, 0.12);
  color: var(--ft-color-text);
}

.ft-highlight-note {
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: rgba(43, 127, 147, 0.05);
  color: var(--ft-color-text-soft);
}

.ft-highlight-note--status {
  background: rgba(43, 127, 147, 0.08);
  border-color: rgba(43, 127, 147, 0.2);
  color: var(--ft-color-text);
}

.ft-share-copy-panel {
  display: grid;
  gap: 10px;
}

.ft-share-copy-panel__label {
  margin: 0;
  color: var(--ft-color-text);
  font-size: 13px;
  font-weight: 600;
}

.ft-share-copy-panel__text {
  min-height: 132px;
  resize: vertical;
  line-height: 1.65;
}

.ft-share-helper {
  margin: 0;
  color: var(--ft-color-text-faint);
  font-size: 12px;
  line-height: 1.6;
}

.ft-share-events {
  display: grid;
  gap: 10px;
}

.ft-share-event {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface-soft);
}

.ft-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.68);
}

.ft-modal__panel {
  width: min(360px, 100%);
  padding: 24px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-modal);
}

.ft-modal.is-visible,
.ft-modal[aria-hidden="false"] {
  display: flex;
}

.ft-modal__head,
.ft-dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.ft-modal__title,
.ft-dialog-title {
  margin: 0;
  color: var(--ft-color-text);
  font-size: 18px;
  font-weight: 600;
}

.ft-copy-row,
.ft-inline-actions,
.ft-page-actions,
.ft-form-card__actions,
.ft-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.ft-copy-row {
  align-items: stretch;
}

.ft-copy-row input {
  flex: 1 1 220px;
}

.ft-copy-row button.is-copied::after {
  margin-left: 6px;
  color: var(--ft-color-bg);
  font-size: 11px;
}

.ft-notice,
.ft-alert,
.ft-empty-state,
.ft-message,
.ft-page-panel,
.ft-form-card,
.ft-account-card,
.ft-status-card,
.ft-task-card,
.ft-tools-section {
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-soft);
}

.ft-page-shell,
.ft-article-shell,
.ft-form-shell,
.ft-form-card,
.ft-account-card,
.ft-page-panel,
.ft-status-card,
.ft-task-card,
.ft-tools-section {
  display: grid;
  gap: 16px;
}

.ft-page-shell {
  gap: 24px;
}

.ft-page-panel,
.ft-form-card,
.ft-account-card,
.ft-status-card,
.ft-task-card,
.ft-tools-section,
.ft-notice,
.ft-alert,
.ft-empty-state {
  padding: 16px;
}

.ft-page-panel {
  padding: 28px 32px;
}

.ft-page-panel h2 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ft-color-text);
  letter-spacing: -0.01em;
}

.ft-page-panel p {
  margin: 0 0 12px;
  line-height: 1.75;
}

.ft-page-panel p:last-child {
  margin-bottom: 0;
}

.ft-notice,
.ft-alert {
  color: var(--ft-color-text-soft);
  line-height: 1.7;
}

.ft-notice ul,
.ft-alert ul,
.ft-page-copy ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ft-notice li,
.ft-alert li,
.ft-page-copy li {
  padding-left: 12px;
  border-left: 2px solid var(--ft-color-cyan);
}

.ft-form-grid,
.ft-account-grid,
.ft-card-grid,
.ft-pricing-grid {
  display: grid;
  gap: 16px;
}

.ft-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ft-form-grid--wide,
.ft-form-grid--full {
  grid-template-columns: 1fr;
}

.ft-account-grid {
  grid-template-columns: 1fr;
}

/* 需要侧边栏的两列布局（如余额页、充值页） */
.ft-account-grid--side {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
}

.ft-account-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 1.75rem;
}

.ft-account-nav-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--ft-color-cyan, #2b7f93);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-cyan, #2b7f93);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s, transform 0.1s;
  font-family: inherit;
}

.ft-account-nav-card i {
  font-size: 0.95rem;
}

.ft-account-nav-card:hover {
  opacity: 0.9;
  box-shadow: 0 4px 16px rgba(43, 127, 147, 0.25);
  transform: translateY(-1px);
  color: #fff;
}

.ft-account-nav-card--active {
  box-shadow: 0 0 0 3px rgba(43, 127, 147, 0.25);
  font-weight: 700;
}

@media (max-width: 760px) {
  .ft-account-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
}

@media (max-width: 420px) {
  .ft-account-nav {
    grid-template-columns: 1fr;
  }
}

.ft-card-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ft-card-grid--3,
.ft-pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ft-data-table,
.ft-table {
  min-width: 720px;
  font-size: 13px;
}

.ft-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-bg);
}

.ft-data-table tr:hover,
.ft-table tr:hover {
  background: var(--ft-color-surface);
}

.ft-data-table .is-numeric,
.ft-table .is-numeric {
  text-align: right;
  font-family: var(--ft-font-mono);
}

.ft-badge,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: transparent;
  color: var(--ft-color-text-soft);
  font-family: var(--ft-font-mono);
  font-size: 11px;
}

.ft-badge--success,
.bg-success {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
}

.ft-badge--running,
.bg-primary,
.bg-warning {
  border-color: var(--ft-color-cyan-strong);
  color: var(--ft-color-cyan-strong);
}

.ft-badge--danger,
.bg-danger {
  border-color: var(--ft-color-danger);
  color: var(--ft-color-danger);
}

.bg-secondary,
.ft-badge--neutral {
  border-color: var(--ft-color-line);
  color: var(--ft-color-text-soft);
}

.ft-progress,
.progress {
  height: 6px;
  overflow: hidden;
  border-radius: 0;
  background: var(--ft-color-line);
}

.ft-progress__bar,
.progress-bar {
  height: 100%;
  background: var(--ft-color-cyan);
}

.ft-spinner,
.loading-circle {
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 2px solid var(--ft-color-line);
  border-top-color: var(--ft-color-cyan);
  border-radius: 50%;
  animation: ft-spin 900ms linear infinite;
}

@keyframes ft-spin {
  to {
    transform: rotate(360deg);
  }
}

.ft-share-qr {
  display: grid;
  place-items: center;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface-soft);
}

.ft-share-qr svg {
  width: 220px;
  height: 220px;
}

.paginator,
.paginator__button,
.paginator__page {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.paginator {
  justify-content: center;
  margin: 18px 0;
}

.paginator a,
.paginator__page {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  color: var(--ft-color-text-soft);
}

.paginator a:hover {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
}

.ft-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 16px 0;
  padding: 14px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
}

.ft-filter-row select {
  width: auto;
  min-width: 210px;
}

.discussion-area {
  margin: 18px 0 10px;
}

.discussion-title {
  margin: 0 0 8px;
  color: var(--ft-color-text);
  font-size: 20px;
  font-weight: 600;
}

.ft-topic-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ft-math-captcha {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--ft-color-line);
  border-left: 2px solid var(--ft-color-cyan);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-surface);
  color: var(--ft-color-cyan);
}

.ft-btn-redirect {
  border-color: var(--ft-color-line);
  background: transparent;
  color: var(--ft-color-cyan);
}

.ft-btn-redirect:hover {
  border-color: var(--ft-color-cyan);
  background: transparent;
  color: var(--ft-color-text);
}

.ft-body--iframe-full,
.ft-body--iframe-full .spirit_wrapper,
.ft-body--iframe-full .spirit,
.ft-body--iframe-full .layout,
.ft-body--iframe-full .layout__article,
.ft-body--iframe-full .ft-result-iframe-shell {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  min-width: 0;
  min-height: 0;
}

.ft-captcha-answer {
  max-width: 100px;
}

@media (max-width: 980px) {
  .ft-site-header__main,
  .auth-portal--split,
  .ft-share-shell__layout,
  .ft-share-device-grid,
  .ft-share-stats,
  .comments__reply {
    grid-template-columns: 1fr;
  }

  .ft-site-header__main {
    display: grid;
  }

  .ft-header-tabs {
    justify-content: flex-start;
  }

  .layout__topics__topic {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 640px) {
  body {
    --ft-page-title-size: 30px;
    --ft-auth-title-size: 30px;
  }

  .ft-page-hero {
    padding: 24px 20px;
  }

  .ft-page-panel {
    padding: 20px;
  }

  .ft-page-shell {
    gap: 16px;
  }

  .layout,
  .ft-wide-shell {
    width: calc(100% - 20px);
    max-width: calc(100% - 20px);
  }

  .layout__article,
  .ft-wide-article,
  .ft-account-shell {
    width: 100%;
    max-width: 100%;
  }

  .ft-site-brand {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .ft-site-brand__mark {
    width: 40px;
    height: 40px;
  }

  .ft-site-brand__title {
    font-size: 17px;
  }

  .ft-site-brand__meta {
    font-size: 11px;
  }

  .ft-site-header__main {
    gap: 14px;
    min-height: 0;
    padding: 12px;
  }

  .ft-header-tabs {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

  .ft-header-tabs li {
    flex: 0 0 auto;
    min-width: 0;
  }

  .ft-header-language form,
  .ft-header-language select {
    width: auto;
  }

  .ft-header-tabs a,
  .ft-header-login,
  .ft-header-vip,
  .ft-header-language {
    justify-content: center;
    width: auto;
    min-height: 36px;
    padding: 7px 8px;
    font-size: 14px;
    text-align: center;
    white-space: nowrap;
  }

  .ft-header-language select {
    min-height: 36px;
    min-width: 140px;
    font-size: 14px;
  }

  .ft-social-grid {
    grid-template-columns: 1fr;
  }

  .ft-share-event {
    align-items: flex-start;
    flex-direction: column;
  }

  .ft-floating-tools {
    position: relative;
    grid-auto-flow: column;
    display: flex;
    align-items: end;
    justify-content: center;
    right: auto;
    bottom: auto;
    width: calc(100% - 20px);
    margin: 16px auto 20px;
    gap: 8px;
  }

  .ft-floating-request,
  .ft-floating-support {
    width: 44px;
    min-height: 44px;
    padding: 6px;
    border-radius: var(--ft-radius-sm);
  }

  .ft-floating-request__icon,
  .ft-floating-support__icon {
    width: 28px;
    height: 28px;
    border: 0;
    font-size: 15px;
  }

  .ft-floating-request__label,
  .ft-floating-request__meta,
  .ft-floating-support__label,
  .ft-floating-support__meta {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    white-space: nowrap;
    clip-path: inset(50%);
  }

  .ft-support-widget {
    right: -12px;
    width: calc(100vw - 24px);
  }
}

/* ========================================================================
   Campaign / invitation-code entry point
   A highly visible floating button + modal, distinct from the support tools.
   ======================================================================== */

.ft-campaign-entry {
  position: fixed;
  right: 18px;
  bottom: 150px;
  z-index: 998;
}

/* ---- Floating button ---- */
.ft-campaign-btn {
  display: none;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 54px;
  min-height: 80px;
  padding: 10px 8px;
  border: none;
  border-radius: var(--ft-radius-sm);
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 60%, #b45309 100%);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  font-family: inherit;
  text-decoration: none;
}

.ft-campaign-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
}

.ft-campaign-btn:active {
  transform: scale(0.97);
}

.ft-campaign-btn__pulse {
  position: absolute;
  inset: 0;
  border-radius: var(--ft-radius-sm);
  animation: ft-campaign-pulse 2.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ft-campaign-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.ft-campaign-btn__icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  font-size: 14px;
  flex-shrink: 0;
}

.ft-campaign-btn__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
}

.ft-campaign-btn__title {
  font-size: 12px;
  font-weight: 700;
  max-width: 50px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.02em;
  writing-mode: horizontal-tb;
}

.ft-campaign-btn__sub {
  font-size: 10px;
  font-weight: 500;
  opacity: 0.85;
}

/* ---- Overlay & modal ---- */
.ft-campaign-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  padding: 20px;
  animation: ft-campaign-fadein 0.25s ease-out;
}

@keyframes ft-campaign-fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ft-campaign-modal {
  position: relative;
  width: min(440px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: ft-campaign-slideup 0.3s ease-out;
}

@keyframes ft-campaign-slideup {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.ft-campaign-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: #666;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.15s;
}

.ft-campaign-modal__close:hover {
  background: rgba(0, 0, 0, 0.12);
  color: #333;
}

.ft-campaign-modal__header {
  padding: 36px 32px 24px;
  text-align: center;
}

.ft-campaign-modal__badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.ft-campaign-modal__title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 800;
  color: #162832;
  line-height: 1.3;
}

.ft-campaign-modal__desc {
  margin: 0;
  font-size: 14px;
  color: #6a7d88;
  line-height: 1.5;
}

.ft-campaign-modal__body {
  padding: 0 32px 32px;
}

/* ---- Form ---- */
.ft-campaign-form__field {
  margin-bottom: 16px;
}

.ft-campaign-form__label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #162832;
}

.ft-campaign-form__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(22, 40, 50, 0.14);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 700;
  font-family: "Ubuntu", "SF Mono", monospace;
  letter-spacing: 0.12em;
  text-align: center;
  color: #162832;
  background: #f8fafb;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  text-transform: uppercase;
}

.ft-campaign-form__input:focus {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
  background: #fff;
}

.ft-campaign-form__input::placeholder {
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #a0b3be;
  font-size: 14px;
}

.ft-campaign-form__hint {
  margin: 0 0 16px;
  font-size: 13px;
  color: #6a7d88;
  min-height: 1.4em;
}

.ft-campaign-form__submit {
  width: 100%;
  padding: 13px 24px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
}

.ft-campaign-form__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
}

.ft-campaign-form__submit:active {
  transform: translateY(0);
}

.ft-campaign-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---- Spinner ---- */
.ft-campaign-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ft-campaign-spin 0.6s linear infinite;
}

@keyframes ft-campaign-spin {
  to { transform: rotate(360deg); }
}

/* ---- Success ---- */
.ft-campaign-success {
  text-align: center;
  padding: 16px 0;
}

.ft-campaign-success__icon {
  font-size: 56px;
  color: #22c55e;
  margin-bottom: 12px;
}

.ft-campaign-success__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: #162832;
}

.ft-campaign-success__msg {
  margin: 0;
  font-size: 14px;
  color: #6a7d88;
}

/* ---- Credential display ---- */
.ft-campaign-credentials__save-hint {
  margin: 0 0 16px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fef3c7;
  border: 1px solid #fbbf24;
  font-size: 13px;
  font-weight: 600;
  color: #92400e;
  text-align: center;
}

.ft-campaign-credentials {
  background: #f8fafb;
  border: 1px solid rgba(22, 40, 50, 0.08);
  border-radius: 10px;
  overflow: hidden;
}

.ft-campaign-credentials__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
}

.ft-campaign-credentials__row + .ft-campaign-credentials__row {
  border-top: 1px solid rgba(22, 40, 50, 0.06);
}

.ft-campaign-credentials__label {
  font-size: 12px;
  font-weight: 600;
  color: #6a7d88;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-width: 72px;
  flex-shrink: 0;
}

.ft-campaign-credentials__value {
  flex: 1;
  font-family: "Ubuntu", "SF Mono", monospace;
  font-size: 15px;
  font-weight: 700;
  color: #162832;
  word-break: break-all;
  padding: 2px 8px;
  background: #fff;
  border-radius: 4px;
  border: 1px solid rgba(22, 40, 50, 0.06);
}

.ft-campaign-credentials__meta {
  font-size: 14px;
  color: #162832;
  font-weight: 600;
}

.ft-campaign-credentials__copy {
  flex-shrink: 0;
  padding: 4px 12px;
  border: 1px solid var(--ft-color-cyan);
  border-radius: 6px;
  background: transparent;
  color: var(--ft-color-cyan);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}

.ft-campaign-credentials__copy:hover {
  background: var(--ft-color-cyan);
  color: #fff;
}

.ft-campaign-credentials__copied {
  text-align: center;
  margin: 8px 0 0;
  font-size: 12px;
  color: #22c55e;
  font-weight: 600;
}

/* ---- Error ---- */
.ft-campaign-error {
  text-align: center;
  padding: 16px 0;
}

.ft-campaign-error__icon {
  font-size: 48px;
  color: #ef4444;
  margin-bottom: 12px;
}

.ft-campaign-error__msg {
  margin: 0;
  font-size: 14px;
  color: #6a7d88;
}

/* ---- Info cards ---- */
.ft-campaign-info-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.ft-campaign-info-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: #f8fafb;
  border: 1px solid rgba(22, 40, 50, 0.06);
  border-radius: 10px;
  transition: background 0.15s;
}

.ft-campaign-info-card:hover {
  background: #f1f5f7;
}

.ft-campaign-info-card__icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #b45309;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.ft-campaign-info-card__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: #6a7d88;
  line-height: 1.45;
}

.ft-campaign-info-card__text strong {
  font-size: 13px;
  color: #162832;
  font-weight: 600;
}

/* ---- Share CTA section ---- */
.ft-campaign-share-cta {
  margin-top: 24px;
}

.ft-campaign-share-cta__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 12px;
  color: #8a9ba6;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ft-campaign-share-cta__divider::before,
.ft-campaign-share-cta__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(22, 40, 50, 0.1);
}

.ft-campaign-share-cta__desc {
  margin: 0 0 14px;
  font-size: 13px;
  color: #6a7d88;
  line-height: 1.5;
  text-align: center;
}

.ft-campaign-share-cta__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 20px;
  border: 2px solid rgba(22, 40, 50, 0.12);
  border-radius: 10px;
  background: #fff;
  color: #162832;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  font-family: inherit;
}

.ft-campaign-share-cta__link:hover {
  border-color: var(--ft-color-cyan);
  background: rgba(8, 145, 178, 0.04);
  color: var(--ft-color-cyan);
  transform: translateY(-1px);
}

.ft-campaign-share-cta__link:active {
  transform: translateY(0);
}

.ft-campaign-institution-contact {
  margin: 20px 0 0;
  font-size: 13px;
  color: #6a7d88;
  line-height: 1.5;
  text-align: center;
}

/* ---- Mobile responsive ---- */
@media (max-width: 640px) {
  .ft-campaign-entry {
    right: 10px;
    bottom: 130px;
  }

  .ft-campaign-btn {
    width: 44px;
    min-height: 68px;
    padding: 8px 6px;
    gap: 4px;
  }

  .ft-campaign-btn__icon {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .ft-campaign-btn__title {
    font-size: 10px;
  }

  .ft-campaign-btn__sub {
    font-size: 9px;
  }

  .ft-campaign-modal__header {
    padding: 28px 20px 20px;
  }

  .ft-campaign-modal__body {
    padding: 0 20px 24px;
  }

  .ft-campaign-modal__title {
    font-size: 19px;
  }

  .ft-campaign-form__input {
    font-size: 16px;
  }
}

/* ── MCP/Skill 平台审核背书栏 ────────────────────────────────── */
.ft-platforms {
  border-top: 1px solid var(--ft-color-line);
  padding: 28px 0 12px;
  margin-bottom: 4px;
  width: 100%;
  min-width: 0;
}

/* 首页中的平台滚动栏 — 无边线上间距，融入页面流 */
.ft-platforms--home {
  border-top: 0;
  padding: 0 0 16px;
  margin-bottom: 0;
}

.ft-platforms__label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ft-color-text-faint);
  margin-bottom: 16px;
  text-align: center;
  font-weight: 600;
}

.ft-platforms__label strong {
  color: var(--ft-color-cyan);
  font-weight: 700;
}

.ft-platforms__track-wrap {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.ft-platforms__track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: ft-marquee 32s linear infinite;
}

.ft-platforms__track:hover {
  animation-play-state: paused;
}

@keyframes ft-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ft-platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--ft-color-line);
  border-radius: 20px;
  background: var(--ft-color-surface);
  white-space: nowrap;
  text-decoration: none;
  color: var(--ft-color-text-soft);
  font-size: 13px;
  font-weight: 500;
  transition: border-color var(--ft-transition), box-shadow var(--ft-transition), color var(--ft-transition), transform var(--ft-transition);
  cursor: default;
}

.ft-platform-badge[href] {
  cursor: pointer;
}

.ft-platform-badge[href]:hover {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
  box-shadow: 0 2px 12px rgba(43, 127, 147, 0.12);
  transform: translateY(-1px);
}

/* 已审核通过的大平台徽章 — 视觉上更强 */
.ft-platform-badge--verified {
  border-color: rgba(34, 197, 94, 0.3);
  background: rgba(34, 197, 94, 0.04);
}

.ft-platform-badge--verified:hover {
  border-color: #22c55e;
  box-shadow: 0 2px 12px rgba(34, 197, 94, 0.12);
}

.ft-platform-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.ft-platform-badge__dot--pending {
  background: var(--ft-color-warning);
  box-shadow: 0 0 0 2px rgba(200, 105, 60, 0.2);
}

.ft-platform-badge__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ft-platform-badge__icon svg {
  width: 18px;
  height: 18px;
}

/* 平台背书分隔符 */
.ft-platforms__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--ft-color-text-faint);
}

.ft-platforms__divider::before,
.ft-platforms__divider::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--ft-color-line);
}

@media (max-width: 640px) {
  .ft-platforms__label {
    font-size: 10px;
  }
  .ft-platform-badge {
    font-size: 11px;
    padding: 5px 10px;
    gap: 5px;
  }
  .ft-platform-badge__icon {
    width: 15px;
    height: 15px;
  }
  .ft-platform-badge__icon svg {
    width: 15px;
    height: 15px;
  }
}