/* Personalized recommendation: hero, three-step indicator, one-question cards, result cards. */
.rec-hero { max-width: 760px; margin: 8px 0 26px; }
.rec-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--brand); background: var(--soft); border-radius: 999px; padding: 4px 12px; margin-bottom: 14px; }
.rec-eyebrow .icon svg { width: 14px; height: 14px; }
.rec-hero h1 { font-size: 32px; line-height: 1.35; }
.rec-hero .lead { max-width: 680px; }
.rec-steps { list-style: none; padding: 0; margin: 0 0 22px; display: flex; gap: 8px; max-width: 760px; }
.rec-steps li { flex: 1; display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sub); padding-bottom: 10px; border-bottom: 3px solid var(--line); }
.rec-steps li span { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--soft); color: var(--sub); }
.rec-steps li.done { color: var(--ink); border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.rec-steps li.done span { background: color-mix(in srgb, var(--brand) 25%, var(--soft)); color: var(--brand); }
.rec-steps li.active { color: var(--brand); font-weight: 600; border-color: var(--brand); }
.rec-steps li.active span { background: var(--brand); color: var(--on); }
.recommend-app { max-width: 760px; }
.rec-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px 26px; box-shadow: 0 1px 2px #0000000a, 0 8px 24px -16px #00000026; }
.rec-q-title { display: block; font-size: 19px; font-weight: 650; line-height: 1.55; color: var(--ink); padding: 0; margin: 0 0 6px; }
.rec-q-hint { font-size: 13px; color: var(--sub); margin: 0 0 12px; }
.rec-card textarea { display: block; width: 100%; margin: 12px 0 14px; padding: 14px 16px; font: inherit; font-size: 15px; line-height: 1.7; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: inherit; resize: vertical; }
.rec-card textarea:focus { border-color: var(--brand); outline: 2px solid color-mix(in srgb, var(--brand) 25%, transparent); outline-offset: 0; }
.rec-examples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 18px; font-size: 13px; color: var(--sub); }
.rec-examples .chip { font-size: 13px; padding: 5px 11px; border-radius: 999px; background: var(--paper); color: var(--ink); cursor: pointer; }
.rec-examples .chip:hover { border-color: var(--brand); color: var(--brand); }
.rec-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }
.rec-actions .primary, .rec-actions .secondary { font-size: 15px; padding: 10px 18px; border-radius: 10px; cursor: pointer; }
.rec-actions .primary .icon svg { width: 16px; height: 16px; }
.rec-hint { font-size: 13px; color: var(--sub); }
.rec-privacy { display: flex; gap: 8px; align-items: flex-start; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.75; color: var(--sub); }
.rec-privacy .icon { margin-top: 2px; color: var(--brand); }
.rec-privacy .icon svg { width: 14px; height: 14px; }
.rec-privacy a { text-decoration: underline; }
.rec-status:empty { display: none; }
.rec-loading { display: grid; justify-items: center; text-align: center; padding: 40px 24px; gap: 6px; }
.rec-spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--soft); border-top-color: var(--brand); animation: rec-spin .9s linear infinite; margin-bottom: 8px; }
@keyframes rec-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .rec-spinner { animation-duration: 3s; } }
.rec-loading-title { font-size: 16px; font-weight: 600; }
.rec-loading-sub { font-size: 13px; color: var(--sub); }
.rec-problem p { font-size: 15px; }
.rec-progress { display: grid; gap: 8px; margin-bottom: 18px; font-size: 13px; color: var(--sub); }
.rec-bar { height: 6px; border-radius: 999px; background: var(--soft); overflow: hidden; }
.rec-bar i { display: block; height: 100%; background: var(--brand); border-radius: 999px; transition: width .25s; }
.rec-goal-echo { font-size: 13px; color: var(--sub); margin: -6px 0 16px; overflow-wrap: anywhere; }
.rec-question fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.rec-options { display: grid; gap: 10px; margin-top: 14px; }
.rec-option { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); cursor: pointer; font-size: 15px; line-height: 1.6; transition: border-color .12s, background .12s; }
.rec-option:hover { border-color: color-mix(in srgb, var(--brand) 50%, var(--line)); }
.rec-option:has(input:checked) { border-color: var(--brand); background: var(--soft); color: var(--brand); font-weight: 600; }
.rec-option input { accent-color: var(--brand); width: 18px; height: 18px; flex: 0 0 18px; margin: 0; }
.rec-review { margin-top: 6px; }
.rec-review summary { cursor: pointer; font-size: 14px; color: var(--brand); padding: 6px 0; }
.rec-summary { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.rec-summary li { display: grid; gap: 2px; font-size: 13px; padding: 8px 12px; background: var(--paper); border-radius: 8px; }
.rec-summary span { color: var(--sub); }
.rec-result-head { margin-bottom: 16px; }
.rec-result-head h2 { font-size: 24px; font-weight: 650; }
.rec-result-sub { font-size: 14px; color: var(--sub); margin-top: 6px; }
.rec-answer-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.rec-answer-chips span { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--soft); color: var(--sub); max-width: 100%; overflow-wrap: anywhere; }
.rec-result { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; margin: 14px 0; }
.rec-result-top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 10px; }
.rec-rank { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 700; background: var(--brand); color: var(--on); }
.rec-source { font-size: 12px; font-weight: 600; border-radius: 999px; padding: 2px 10px; }
.rec-source.lib { background: var(--soft); color: var(--brand); }
.rec-source.ext { background: var(--warmbg); color: var(--warm); }
.rec-meta { font-size: 12px; color: var(--sub); }
.rec-result h3 { font-size: 20px; line-height: 1.45; font-weight: 650; overflow-wrap: anywhere; }
.rec-reason { font-size: 15px; line-height: 1.8; margin-top: 8px; }
.rec-start { margin-top: 14px; padding: 12px 16px; border-radius: 12px; background: var(--paper); border-left: 3px solid var(--brand); }
.rec-start b { font-size: 13px; color: var(--brand); }
.rec-start p { font-size: 14px; line-height: 1.75; margin-top: 2px; }
.rec-notes { margin: 12px 0 0; padding-left: 18px; font-size: 13px; line-height: 1.75; color: var(--sub); }
.rec-result .rec-actions { margin-top: 16px; }
.rec-result a { overflow-wrap: anywhere; }
.rec-warning { font-size: 13px; color: var(--sub); margin: 8px 0; }
.rec-adjust { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.rec-adjust-title { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.rec-adjust-row { display: flex; flex-wrap: wrap; gap: 8px; }
.rec-adjust-row .chip { cursor: pointer; border-radius: 999px; padding: 7px 14px; font-size: 14px; }
.rec-adjust-row .chip:hover { border-color: var(--brand); color: var(--brand); }
.rec-adjust-row .chip-accent { border-color: var(--brand); color: var(--brand); background: var(--soft); }
.rec-foot { max-width: 760px; margin: 22px 0 0; }
.rec-foot .link { font-size: 14px; }
.recommend-app button:disabled { opacity: .6; cursor: wait; }
@media (max-width: 610px) {
  .rec-hero h1 { font-size: 25px; }
  .rec-hero h1 br { display: none; }
  .rec-card { padding: 18px 16px; border-radius: 14px; }
  .rec-result { padding: 18px 16px; }
  .rec-steps li { font-size: 12px; gap: 6px; }
  .rec-q-title { font-size: 17px; }
  .rec-actions .primary, .rec-actions .secondary { flex: 1 1 auto; justify-content: center; }
}
/* Homepage entry */
.rec-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: center; margin: 4px 0 26px; padding: 20px 22px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--line)); background: linear-gradient(135deg, var(--soft), var(--surface) 70%); }
.rec-entry-copy h2 { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 650; }
.rec-entry-copy h2 .icon { color: var(--brand); }
.rec-entry-copy p { font-size: 13px; color: var(--sub); margin-top: 4px; line-height: 1.7; }
.rec-entry-form { display: flex; gap: 8px; min-width: 0; width: min(420px, 100%); }
.rec-entry-form input { flex: 1; min-width: 0; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.rec-entry-form button { white-space: nowrap; font-size: 14px; padding: 10px 16px; border-radius: 10px; cursor: pointer; }
.rec-entry [data-entry-status] { grid-column: 1 / -1; font-size: 13px; color: var(--sub); margin-top: -8px; }
.rec-entry [data-entry-status]:empty { display: none; }
@media (max-width: 900px) { .rec-entry { grid-template-columns: 1fr; gap: 12px; } .rec-entry-form { width: 100%; } }

/* 模型配置: the visitor's own model and search services, kept in this browser. */
.svc-card { margin-bottom: 18px; }
.svc-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.svc-head h2 { display: inline-flex; align-items: center; gap: 7px; font-size: 16px; margin: 0; }
.svc-head h2 .icon { color: var(--brand); }
.svc-summary { flex: 1 1 320px; margin: 0; font-size: 13px; color: var(--sub); }
.svc-head-actions { gap: 10px; }
.svc-form { margin-top: 16px; }
.svc-form[hidden] { display: none; }
.svc-form fieldset { border: 0; padding: 0; margin: 0 0 18px; display: grid; align-items: start; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
.svc-form legend { grid-column: 1 / -1; display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.svc-field { display: grid; gap: 5px; min-width: 0; }
.svc-field[hidden] { display: none; }
.svc-field label { font-size: 13px; color: var(--ink); }
.svc-field input, .svc-field select { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 9px 11px; font-size: 13px; }
.svc-inline { display: flex; align-items: center; gap: 8px; min-width: 0; }
.svc-inline > input, .svc-inline > select { flex: 1; }
.svc-inline .link { white-space: nowrap; font-size: 12px; }
.svc-hint, .svc-explain { margin: 0; font-size: 12px; line-height: 1.7; color: var(--sub); }
.svc-explain { grid-column: 1 / -1; margin-top: -4px; }
.svc-remember { display: flex; align-items: center; gap: 8px; font-size: 13px; margin: 0 0 12px; }
.svc-privacy { display: flex; gap: 8px; align-items: flex-start; font-size: 12px; line-height: 1.75; color: var(--sub); margin: 0 0 14px; }
.svc-privacy .icon { margin-top: 2px; color: var(--brand); }
.svc-privacy .icon svg { width: 14px; height: 14px; }
.svc-status { font-size: 13px; color: var(--sub); }
.svc-tip { position: relative; display: inline-flex; align-items: center; color: var(--sub); cursor: help; font-weight: 400; }
.svc-tip[hidden] { display: none; }
.svc-tip .icon svg { width: 14px; height: 14px; }
.svc-tip:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 50%; }
.svc-tip-text { display: none; position: absolute; left: 50%; top: calc(100% + 8px); transform: translateX(-50%); z-index: 20; width: max-content; max-width: min(320px, 80vw); white-space: normal; background: var(--ink); color: var(--paper); font-size: 12px; font-weight: 400; line-height: 1.6; padding: 8px 10px; border-radius: 6px; box-shadow: 0 4px 14px #0000002a; }
.svc-tip:hover .svc-tip-text, .svc-tip:focus .svc-tip-text { display: block; }
@media (max-width: 640px) { .svc-form fieldset { grid-template-columns: minmax(0, 1fr); } .svc-tip-text { left: 0; transform: none; } }
.svc-custom { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; align-items: start; padding: 14px; border: 1px dashed var(--line); border-radius: 10px; }
.svc-custom[hidden] { display: none; }
.svc-custom .svc-explain { grid-column: 1 / -1; margin: 0; }
@media (max-width: 640px) { .svc-custom { grid-template-columns: minmax(0, 1fr); } }
.svc-advanced { grid-column: 1 / -1; font-size: 13px; }
.svc-advanced summary { cursor: pointer; color: var(--sub); }
.svc-advanced .svc-field { margin-top: 10px; }
.svc-advanced textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 9px 11px; font: 12px/1.6 Consolas, monospace; resize: vertical; }
.recommend-app button[data-next]:disabled { opacity: .45; cursor: not-allowed; }