/* ============================================================
   旅可伴服务交易平台 · 服务详情页（前缀 bk_pd_）
   ============================================================ */
.bk_pd_crumb { background: #fff; border-bottom: 1px solid var(--bk-line); font-size: 13px; color: var(--bk-ink-3); }
.bk_pd_crumb .bk_in { padding-top: 12px; padding-bottom: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk_pd_crumb a { color: var(--bk-ink-2); }
.bk_pd_crumb a:hover { color: var(--bk-indigo); }
.bk_pd_crumb span { margin: 0 8px; opacity: .5; }
.bk_pd_crumb em { font-style: normal; color: var(--bk-ink); }

/* ① 主区 */
.bk_pd_main { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; margin-top: 26px; align-items: start; }
.bk_pd_gallery { position: sticky; top: 92px; }
.bk_pd_big { position: relative; aspect-ratio: 4 / 3; border-radius: var(--bk-radius-lg); overflow: hidden; background: var(--bk-night); }
.bk_pd_big img { width: 100%; height: 100%; object-fit: contain; background: var(--bk-night); }
.bk_pd_big_city, .bk_pd_big_count { position: absolute; top: 14px; height: 30px; padding: 0 12px; border-radius: 999px;
    display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: #fff; background: rgba(27,24,64,.72); backdrop-filter: blur(4px); }
.bk_pd_big_city { left: 14px; }
.bk_pd_big_city i { color: var(--bk-gold-light); }
.bk_pd_big_count { right: 14px; }
.bk_pd_thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.bk_pd_thumb { aspect-ratio: 1 / 1; padding: 0; border: 2px solid transparent; border-radius: 10px; overflow: hidden; background: none; opacity: .72; transition: all .2s; }
.bk_pd_thumb img { width: 100%; height: 100%; object-fit: cover; }
.bk_pd_thumb:hover { opacity: 1; }
.bk_pd_thumb.active { border-color: var(--bk-gold); opacity: 1; }
.bk_pd_photo_note { font-size: 12.5px; color: var(--bk-ink-3); margin: 10px 0 0; }
.bk_pd_photo_note i { color: var(--bk-lav); margin-right: 6px; }

.bk_pd_panel { background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius-lg); padding: 28px 30px; }
.bk_pd_panel_top { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.bk_pd_booked { margin-left: auto; font-size: 12.5px; color: var(--bk-ink-3); }
.bk_pd_name { font-size: 25px; line-height: 1.45; font-weight: 800; margin: 0 0 10px; color: var(--bk-ink); }
.bk_pd_sub { font-size: 14.5px; line-height: 1.85; color: var(--bk-ink-2); margin: 0 0 20px; }

.bk_pd_attrs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 18px; }
.bk_pd_attrs > div { display: grid; grid-template-columns: 34px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center;
    padding: 12px 14px; border-radius: 10px; background: var(--bk-pearl); }
.bk_pd_attrs i { grid-row: 1 / 3; width: 34px; height: 34px; border-radius: 9px; background: #fff; color: var(--bk-indigo);
    display: flex; align-items: center; justify-content: center; font-size: 14px; }
.bk_pd_attrs span { font-size: 12px; color: var(--bk-ink-3); }
.bk_pd_attrs b { font-size: 14px; color: var(--bk-ink); font-weight: 600; }

.bk_pd_price { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; padding: 16px 18px; border-radius: 12px;
    background: var(--bk-lav-tint); border-left: 4px solid var(--bk-indigo); margin-bottom: 20px; }
.bk_pd_price_lb { display: block; font-size: 12.5px; color: var(--bk-ink-2); margin-bottom: 2px; }
.bk_pd_price .bk_price b { font-size: 34px; }
.bk_pd_price .bk_price small { font-size: 17px; }
.bk_pd_price .bk_price em { font-size: 14px; }
.bk_pd_price_link { font-size: 13px; color: var(--bk-indigo); white-space: nowrap; }

.bk_pd_lb { font-size: 13.5px; color: var(--bk-ink-2); width: 72px; flex-shrink: 0; padding-top: 7px; }
.bk_pd_specs { margin-bottom: 8px; }
.bk_pd_spec_group { display: flex; gap: 10px; margin-bottom: 12px; }
.bk_pd_spec_values { display: flex; flex-wrap: wrap; gap: 8px; }
.bk_pd_spec_btn { min-width: 64px; height: 36px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--bk-line);
    background: #fff; color: var(--bk-ink); font-size: 14px; transition: all .15s; }
.bk_pd_spec_btn:hover { border-color: var(--bk-indigo); color: var(--bk-indigo); }
.bk_pd_spec_btn.active { border-color: var(--bk-indigo); background: var(--bk-indigo); color: #fff; }
.bk_pd_spec_tip { font-size: 13px; color: var(--bk-ink-3); padding-left: 82px; margin-bottom: 8px; }
.bk_pd_spec_tip i { margin-right: 6px; }
.bk_pd_spec_tip.is_ok { color: var(--bk-indigo); }
.bk_pd_spec_tip.is_bad { color: var(--bk-rose); }

.bk_pd_qty_row { display: flex; align-items: center; gap: 10px; margin: 6px 0 22px; }
.bk_pd_qty_row .bk_pd_lb { padding-top: 0; }
.bk_qty { display: inline-flex; border: 1px solid var(--bk-line); border-radius: 8px; overflow: hidden; height: 36px; }
.bk_qty button { width: 36px; border: none; background: var(--bk-pearl); color: var(--bk-ink); font-size: 16px; }
.bk_qty button:hover { background: var(--bk-lav-tint); color: var(--bk-indigo); }
.bk_qty input { width: 48px; border: none; text-align: center; font-weight: 700; outline: none; -moz-appearance: textfield; }
.bk_qty input::-webkit-inner-spin-button, .bk_qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.bk_pd_qty_hint { font-size: 13px; color: var(--bk-ink-3); }

.bk_pd_actions { display: flex; gap: 12px; }
.bk_pd_actions .bk_btn { flex: 1; height: 50px; font-size: 16px; }
.bk_pd_actions .bk_btn:disabled { opacity: .45; cursor: not-allowed; }
.bk_pd_actions .bk_btn.is_loading { opacity: .7; }
.bk_pd_btn_off { background: var(--bk-pearl-2); color: var(--bk-ink-3); }
.bk_pd_fav { width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--bk-line); background: #fff; color: var(--bk-ink-3); font-size: 18px; flex-shrink: 0; }
.bk_pd_fav:hover, .bk_pd_fav.active { color: var(--bk-gold-deep); border-color: var(--bk-gold); }
.bk_pd_form_note { font-size: 12.5px; color: var(--bk-ink-3); margin: 12px 0 0; }
.bk_pd_form_note i { color: var(--bk-gold-deep); margin-right: 6px; }

.bk_pd_who { display: flex; align-items: center; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--bk-line); color: var(--bk-ink); }
.bk_pd_who .bk_avatar { width: 46px; height: 46px; font-size: 19px; }
.bk_pd_who_tx { flex: 1; min-width: 0; }
.bk_pd_who_tx b { display: block; font-size: 16px; }
.bk_pd_who_tx b i { color: var(--bk-gold); font-size: 13px; margin-left: 4px; }
.bk_pd_who_tx em { font-style: normal; font-size: 13px; color: var(--bk-ink-3); }
.bk_pd_who > i { color: var(--bk-ink-3); }
.bk_pd_who:hover { color: var(--bk-indigo); }

/* ② 锚点标签 */
.bk_pd_tabs { position: sticky; top: 72px; z-index: 50; display: flex; gap: 6px; margin: 36px 0 20px; padding: 6px;
    background: rgba(255,255,255,.96); border: 1px solid var(--bk-line); border-radius: 999px; backdrop-filter: blur(6px); width: max-content; max-width: 100%; }
.bk_pd_tabs a { padding: 8px 22px; border-radius: 999px; font-size: 14.5px; color: var(--bk-ink-2); white-space: nowrap; }
.bk_pd_tabs a:hover { color: var(--bk-indigo); }
.bk_pd_tabs a.active { background: var(--bk-indigo); color: #fff; }

.bk_pd_body { display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start; }
.bk_pd_box { background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius-lg); padding: 28px 32px; margin-bottom: 20px; scroll-margin-top: 140px; }
.bk_pd_box > h2 { font-size: 20px; font-weight: 800; margin: 0 0 18px; padding-left: 14px; border-left: 4px solid var(--bk-gold); line-height: 1.2; }
.bk_pd_box > h2 small { font-size: 13px; font-weight: 400; color: var(--bk-ink-3); margin-left: 8px; }

/* 详情正文（后台富文本） */
.bk_pd_content { font-size: 15px; line-height: 1.95; color: var(--bk-ink-2); }
.bk_pd_content h3 { display: flex; align-items: center; gap: 10px; font-size: 16.5px; font-weight: 700; color: var(--bk-indigo-deep);
    margin: 26px 0 10px; }
.bk_pd_content h3:first-child { margin-top: 0; }
.bk_pd_content h3::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--bk-gold); transform: rotate(45deg); }
.bk_pd_content p { margin: 0 0 10px; }
.bk_pd_content ul { list-style: none; margin: 0 0 10px; padding: 14px 18px; background: var(--bk-pearl); border-radius: 10px; }
.bk_pd_content li { position: relative; padding: 4px 0 4px 20px; }
.bk_pd_content li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 6px; height: 6px; border-radius: 50%; background: var(--bk-indigo); }
.bk_pd_content img { max-width: 100%; height: auto; border-radius: 10px; margin: 10px 0; }

.bk_pd_photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.bk_pd_photos a { display: block; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: var(--bk-pearl-2); }
.bk_pd_photos img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.bk_pd_photos a:hover img { transform: scale(1.05); }

.bk_pd_person { display: flex; gap: 22px; }
.bk_pd_person .bk_avatar { width: 72px; height: 72px; font-size: 30px; flex-shrink: 0; }
.bk_pd_person h3 { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; margin: 4px 0 4px; }
.bk_pd_person_org { font-size: 13.5px; color: var(--bk-ink-3); margin-bottom: 10px; }
.bk_pd_person p { font-size: 14px; line-height: 1.9; color: var(--bk-ink-2); margin: 0 0 16px; }
.bk_pd_person_btns { display: flex; flex-wrap: wrap; gap: 10px; }
.bk_pd_person_btns .bk_btn { height: 40px; font-size: 14px; }
.bk_pd_btn_ghost { background: var(--bk-pearl); color: var(--bk-ink); }
.bk_pd_btn_ghost:hover { background: var(--bk-lav-tint); color: var(--bk-indigo); }

.bk_pd_rules { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.bk_pd_rules li { display: flex; gap: 14px; padding: 16px; border-radius: 12px; background: var(--bk-pearl); }
.bk_pd_rules i { width: 38px; height: 38px; border-radius: 10px; background: #fff; color: var(--bk-gold-deep); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0; }
.bk_pd_rules b { display: block; font-size: 15px; margin-bottom: 4px; }
.bk_pd_rules span { font-size: 13px; line-height: 1.8; color: var(--bk-ink-2); }
.bk_pd_rules a { color: var(--bk-indigo); }

.bk_pd_side { position: sticky; top: 140px; display: flex; flex-direction: column; gap: 16px; }
.bk_pd_sum { background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius-lg); padding: 16px; }
.bk_pd_sum_img { aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; margin-bottom: 12px; }
.bk_pd_sum_img img { width: 100%; height: 100%; object-fit: cover; }
.bk_pd_sum > b { display: block; font-size: 14.5px; line-height: 1.55; margin-bottom: 8px; }
.bk_pd_sum_price { margin-bottom: 14px; }
.bk_pd_sum .bk_btn { width: 100%; }
.bk_pd_decl { padding: 16px 18px; border-radius: var(--bk-radius); background: var(--bk-gold-tint); border: 1px solid #F0E3B5; }
.bk_pd_decl b { display: block; font-size: 14px; color: var(--bk-gold-deep); margin-bottom: 6px; }
.bk_pd_decl b i { margin-right: 6px; }
.bk_pd_decl p { font-size: 12.5px; line-height: 1.85; color: var(--bk-ink-2); margin: 0; }

.bk_pd_related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

/* 响应式 */
@media (max-width: 1100px) {
    .bk_pd_body { grid-template-columns: 1fr; }
    .bk_pd_side { display: none; }
    .bk_pd_related { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .bk_pd_main { grid-template-columns: 1fr; gap: 20px; }
    .bk_pd_gallery { position: static; }
    .bk_pd_tabs { top: 60px; width: 100%; overflow-x: auto; }
}
@media (max-width: 576px) {
    .bk_pd_panel { padding: 20px 18px; }
    .bk_pd_name { font-size: 21px; }
    .bk_pd_attrs { grid-template-columns: 1fr; }
    .bk_pd_spec_group { flex-direction: column; gap: 6px; }
    .bk_pd_spec_tip { padding-left: 0; }
    .bk_pd_actions .bk_btn { font-size: 15px; padding: 0 10px; }
    .bk_pd_box { padding: 20px 18px; }
    .bk_pd_photos { grid-template-columns: repeat(2, 1fr); }
    .bk_pd_person { flex-direction: column; gap: 12px; }
    .bk_pd_rules { grid-template-columns: 1fr; }
    .bk_pd_related { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .bk_pd_tabs a { padding: 8px 14px; }
}

/* 防止长文本撑宽网格 */
.bk_pd_main > *, .bk_pd_body > *, .bk_pd_attrs > *, .bk_pd_related > *, .bk_pd_rules > *, .bk_pd_photos > * { min-width: 0; }
.bk_pd_attrs b { overflow-wrap: anywhere; }