/* 独立提示词库 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.prompt-library-page .nav-inner,
.prompt-library-page .library-section > .wrap,
.prompt-library-page .foot > .wrap {
  width: min(100%, 1560px);
  max-width: 1560px;
  padding-left: 2rem;
  padding-right: 2rem;
}

.nav-links .is-current { color: var(--c-text); }
.nav-links .is-current::after {
  content: ''; display: block; width: 100%; height: 1px;
  margin-top: 3px; background: currentColor;
}

.prompt-hero {
  padding: calc(var(--nav-h) + 5.5rem) 0 3.25rem;
  text-align: center;
}
.prompt-hero-inner { max-width: 760px; }
.prompt-eyebrow {
  color: var(--c-text-3); font-size: .7rem; font-weight: 650;
  letter-spacing: .22em; margin-bottom: 1rem;
}
.prompt-hero h1 {
  font-family: var(--f-disp); font-size: clamp(2.5rem, 7vw, 4.6rem);
  font-weight: 400; line-height: 1.1; letter-spacing: .02em;
}
.prompt-hero > .wrap > p:not(.prompt-eyebrow) {
  max-width: 620px; margin: 1.15rem auto 0; color: var(--c-text-2);
  font-size: clamp(.95rem, 2vw, 1.08rem); line-height: 1.85;
}
.prompt-summary {
  display: flex; justify-content: center; flex-wrap: wrap; gap: .65rem;
  margin-top: 1.8rem;
}
.prompt-summary span {
  padding: 5px 13px; border: 1px solid var(--c-card-border);
  border-radius: 999px; background: var(--c-card); color: var(--c-text-2);
  font-size: .76rem; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.prompt-summary strong { color: var(--c-text); font-weight: 650; }

.library-section { padding: 1.5rem 0 6rem; }
.library-toolbar {
  position: sticky; top: calc(var(--nav-h) + 12px); z-index: 30;
  padding: .85rem; margin-bottom: 1.1rem;
}
.library-toolbar:hover { transform: none; box-shadow: 0 8px 32px rgba(0,0,0,.06); }
.prompt-search {
  min-height: 48px; display: flex; align-items: center; gap: .75rem;
  padding: 0 .9rem; background: rgba(var(--c-ground-rgb), .58);
  border: 1px solid var(--c-card-border); border-radius: 11px;
}
.prompt-search > span { color: var(--c-text-3); font-size: 1.35rem; line-height: 1; }
.prompt-search input {
  min-width: 0; flex: 1; border: 0; outline: 0; background: transparent;
  color: var(--c-text); font: inherit; font-size: .9rem;
}
.prompt-search input::placeholder { color: var(--c-text-3); }
.prompt-search kbd {
  border: 1px solid var(--c-card-border); border-bottom-width: 2px;
  border-radius: 6px; padding: 2px 7px; color: var(--c-text-3);
  background: var(--c-card); font: 500 .68rem var(--f-body);
}
.category-tabs {
  display: flex; gap: .5rem; overflow-x: auto; margin-top: .75rem;
  padding: 1px 1px 4px; scrollbar-width: thin;
}
.category-tab {
  flex: 0 0 auto; border: 1px solid var(--c-card-border);
  border-radius: 999px; background: transparent; color: var(--c-text-2);
  padding: 6px 13px; font-size: .76rem; transition: all .2s;
}
.category-tab:hover { color: var(--c-text); background: var(--c-card); }
.category-tab.is-active {
  color: var(--c-ground); background: var(--c-accent); border-color: var(--c-accent);
}

.library-meta {
  min-height: 30px; display: flex; align-items: center;
  justify-content: space-between; gap: 1rem; margin-bottom: .75rem;
}
.library-meta p { color: var(--c-text-3); font-size: .78rem; }
.clear-filter {
  border: 0; background: transparent; color: var(--c-text-2);
  font-size: .76rem; text-decoration: underline; text-underline-offset: 3px;
}

.library-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch; gap: 1.25rem;
}
.library-card {
  min-width: 0; display: flex; flex-direction: column; padding: 0;
  overflow: hidden; cursor: zoom-in;
}
.library-card:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(0,0,0,.1); }
.library-card:focus-visible { outline: 2px solid var(--c-text); outline-offset: 3px; }
.library-compare {
  position: relative; aspect-ratio: 3 / 2; overflow: hidden;
  background: rgba(127,127,127,.1); border-bottom: 1px solid var(--c-card-border);
}
.library-compare img {
  width: 100%; height: 100%; display: block; object-fit: cover;
  transition: transform .45s ease;
}
.library-card:hover .library-compare img { transform: scale(1.012); }
.library-open-hint {
  position: absolute; top: .65rem; right: .65rem; z-index: 2;
  padding: 5px 9px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px;
  background: rgba(17,17,17,.54); color: #fff; font-size: .62rem;
  box-shadow: 0 4px 14px rgba(0,0,0,.14); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.compare-labels {
  position: absolute; inset: auto .65rem .65rem; display: grid;
  grid-template-columns: 1fr 1fr; gap: .5rem; pointer-events: none;
}
.compare-labels span {
  width: max-content; padding: 4px 9px; border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px; background: rgba(17,17,17,.58); color: #fff;
  font-size: .64rem; font-weight: 620; letter-spacing: .04em;
  box-shadow: 0 4px 14px rgba(0,0,0,.14); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.compare-labels span:last-child { justify-self: end; }
.library-card-body {
  min-height: 0; flex: 1; display: flex; flex-direction: column;
  padding: 1.15rem 1.2rem 1.1rem;
}
.library-card-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
}
.library-card-title { min-width: 0; }
.library-card-title h3 {
  margin-top: .48rem; font-size: 1rem; font-weight: 620; line-height: 1.45;
}
.library-category {
  display: inline-flex; align-items: center; min-height: 22px;
  padding: 2px 9px; border-radius: 999px; background: rgba(127,127,127,.1);
  color: var(--c-text-2); font-size: .67rem; letter-spacing: .03em;
}
.library-index {
  flex: 0 0 auto; color: var(--c-text-3); font: 400 .75rem var(--f-disp);
}
.library-recommendation {
  display: flex; align-items: center; justify-content: space-between; gap: .65rem;
  margin-top: .85rem; padding: .58rem .7rem; border: 1px solid var(--c-card-border);
  border-radius: 9px; background: rgba(var(--c-ground-rgb), .48);
}
.model-name {
  min-width: 0; color: var(--c-text); font-size: .72rem; font-weight: 650;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.model-name::before {
  content: '推荐模型'; margin-right: .45rem; color: var(--c-text-3);
  font-size: .64rem; font-weight: 500;
}
.model-scope {
  flex: 0 0 auto; padding: 3px 7px; border-radius: 999px;
  background: rgba(127,127,127,.11); color: var(--c-text-2); font-size: .62rem;
}
.library-prompt {
  flex: 1; margin: .9rem 0 1rem; padding: .82rem .88rem;
  border-left: 2px solid var(--c-card-border); background: rgba(127,127,127,.045);
  color: var(--c-text-2); font-size: .8rem; line-height: 1.76; white-space: pre-line;
}
.library-card-foot {
  padding-top: .85rem; border-top: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
}
.library-tags {
  min-width: 0; display: flex; flex-wrap: wrap; gap: .35rem .5rem;
}
.library-tags span {
  flex: 0 0 auto; color: var(--c-text-3); font-size: .66rem;
}
.library-tags span::before { content: '#'; opacity: .6; }
.copy-prompt {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: .38rem;
  min-height: 34px; padding: 6px 12px; border: 1px solid var(--c-card-border);
  border-radius: 999px; background: var(--c-card); color: var(--c-text);
  font-size: .74rem; transition: all .2s;
}
.copy-prompt:hover { border-color: var(--c-text); transform: translateY(-1px); }
.copy-prompt.is-copied { background: var(--c-accent); color: var(--c-ground); }

body.modal-open { overflow: hidden; }
.prompt-modal {
  position: fixed; inset: 0; margin: auto;
  width: min(94vw, 1680px); max-width: none; max-height: 92vh;
  padding: 0; border: 1px solid rgba(255,255,255,.18); border-radius: 18px;
  overflow: visible; background: transparent; color: var(--c-text);
  box-shadow: 0 26px 80px rgba(0,0,0,.34);
}
.prompt-modal::backdrop {
  background: rgba(12,12,14,.72); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.prompt-modal-shell {
  position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(340px, 3fr);
  min-height: min(82vh, 880px); max-height: 90vh; overflow: hidden;
  border-radius: 17px; background: var(--c-ground);
}
.prompt-modal-close {
  position: absolute; top: .85rem; right: .85rem; z-index: 10;
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--c-card-border); border-radius: 50%;
  background: rgba(var(--c-ground-rgb),.82); color: var(--c-text);
  font-size: 1.35rem; line-height: 1; box-shadow: 0 6px 20px rgba(0,0,0,.12);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.prompt-modal-close:hover { transform: rotate(4deg); border-color: var(--c-text); }
.prompt-modal-visual {
  position: relative; min-width: 0; display: grid; place-items: center;
  padding: 0; overflow: hidden; background: var(--c-ground);
}
.prompt-modal-visual img {
  width: 100%; height: 100%; max-height: none; display: block;
  object-fit: cover; border-radius: 0; box-shadow: none;
}
.modal-compare-labels {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; pointer-events: none;
}
.modal-compare-labels span {
  width: max-content; padding: 6px 12px; border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px; background: rgba(0,0,0,.62); color: #fff;
  font-size: .72rem; font-weight: 650; backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}
.modal-compare-labels span:last-child { justify-self: end; }
.modal-image-note {
  position: absolute; top: 1rem; left: 1rem; color: rgba(255,255,255,.78);
  font-size: .65rem; letter-spacing: .08em;
}
.prompt-modal-detail {
  min-width: 0; padding: 3.3rem 2rem 2rem; overflow-y: auto;
  border-left: 1px solid var(--c-card-border); background: var(--c-ground);
}
.prompt-modal-meta { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.prompt-modal-detail h2 {
  margin-top: 1rem; font-family: var(--f-disp); font-size: clamp(1.65rem, 2.4vw, 2.35rem);
  font-weight: 450; line-height: 1.25;
}
.modal-recommendation { margin-top: 1.35rem; }
.modal-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.modal-tags span {
  padding: 5px 9px; border-radius: 999px; background: rgba(127,127,127,.1);
  color: var(--c-text-2); font-size: .68rem;
}
.modal-tags span::before { content: '#'; margin-right: 2px; opacity: .6; }
.modal-prompt-block { margin-top: 1.45rem; }
.modal-prompt-block > span {
  color: var(--c-text-3); font-size: .68rem; font-weight: 650; letter-spacing: .08em;
}
.modal-prompt-block p {
  margin-top: .65rem; padding: 1rem 1.05rem; border-left: 2px solid var(--c-card-border);
  background: rgba(127,127,127,.05); color: var(--c-text-2);
  font-size: .84rem; line-height: 1.86; white-space: pre-line;
}
.modal-copy {
  width: 100%; min-height: 46px; display: inline-flex; align-items: center;
  justify-content: center; gap: .45rem; margin-top: 1.4rem;
  border: 0; border-radius: 999px; background: var(--c-accent); color: var(--c-ground);
  font-size: .78rem; font-weight: 650; transition: transform .2s, opacity .2s;
}
.modal-copy:hover { transform: translateY(-1px); }
.modal-copy.is-copied { opacity: .72; }

.empty-state {
  max-width: 560px; margin: 2rem auto 0; padding: 3.5rem 1.5rem; text-align: center;
}
.empty-state:hover { transform: none; }
.empty-state > span { display: block; font-size: 1rem; font-weight: 600; }
.empty-state p { color: var(--c-text-3); font-size: .82rem; margin-top: .4rem; }
.empty-state button {
  margin-top: 1.2rem; border: 0; border-radius: 999px; padding: 8px 18px;
  background: var(--c-accent); color: var(--c-ground); font-size: .78rem;
}

.copy-toast {
  position: fixed; left: 50%; bottom: 1.6rem; z-index: 200;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  padding: 9px 18px; border-radius: 999px; background: var(--c-accent);
  color: var(--c-ground); font-size: .78rem; box-shadow: 0 10px 30px rgba(0,0,0,.18);
  transition: opacity .2s, transform .2s;
}
.copy-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 760px) {
  .prompt-hero { padding-top: calc(var(--nav-h) + 3.8rem); }
  .prompt-hero > .wrap > p:not(.prompt-eyebrow) br { display: none; }
  .library-section { padding-top: .5rem; }
  .prompt-library-page .nav-inner,
  .prompt-library-page .library-section > .wrap,
  .prompt-library-page .foot > .wrap { padding-left: 1rem; padding-right: 1rem; }
  .library-grid { grid-template-columns: 1fr; }
  .library-toolbar { top: calc(var(--nav-h) + 7px); margin-left: -.35rem; margin-right: -.35rem; }
  .prompt-search kbd { display: none; }
  .library-card-body { padding: 1.05rem; }
  .prompt-modal {
    width: calc(100vw - 1rem); max-height: calc(100dvh - 1rem); border-radius: 14px;
  }
  .prompt-modal-shell {
    grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr);
    min-height: 0; height: calc(100dvh - 1rem); max-height: calc(100dvh - 1rem);
    border-radius: 13px;
  }
  .prompt-modal-visual { aspect-ratio: 3 / 2; padding: .55rem; }
  .prompt-modal-visual img { width: 100%; height: 100%; max-height: none; border-radius: 8px; }
  .modal-compare-labels { left: 1rem; right: 1rem; bottom: 1rem; }
  .modal-image-note { top: 1rem; left: 1rem; }
  .prompt-modal-detail { padding: 1.25rem 1.1rem 1.4rem; border-left: 0; border-top: 1px solid var(--c-card-border); }
  .prompt-modal-detail h2 { padding-right: 2.7rem; font-size: 1.65rem; }
  .prompt-modal-close { top: calc(66.666vw + .2rem); right: 1rem; width: 34px; height: 34px; }
}

@media (min-width: 761px) and (max-width: 1180px) {
  .library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .nav-inner { padding: 0 1rem; }
  .nav-links { gap: .9rem; }
  .nav-links a[href="/#community"] { display: none; }
  .wrap { padding-left: 1rem; padding-right: 1rem; }
  .prompt-summary { gap: .4rem; }
  .prompt-summary span { font-size: .7rem; padding: 4px 10px; }
  .library-card-foot { align-items: flex-end; }
  .library-tags { flex-wrap: wrap; max-height: 2.4em; }
}

@media (prefers-reduced-motion: reduce) {
  .copy-toast, .copy-prompt, .library-compare img, .modal-copy { transition: none; }
}