/* 研学手册（2026-10-19 并入）：质感版封面墙——封面铺满卡片，标题和价格在下面；点开是左图右文的详情。
   颜色和字体变量来自 theme-v3.css。 */
.hb-hero {padding-bottom:30px}
.hb-overline {display:inline-flex;align-items:center;gap:12px;color:var(--brass);font-size:13px;font-weight:600;letter-spacing:.2em}
.hb-overline::before,.hb-overline::after {content:"";width:28px;height:1px;background:var(--brass)}
.hb-hero h1 {margin-top:12px}
.hb-member {margin-top:16px;font-size:13.5px;color:var(--muted)}
.hb-member button {margin-left:6px;padding:0;color:var(--emerald);font-weight:700;background:none;border-bottom:1px solid rgba(15,92,67,.35)}

.hb-wrap {max-width:1240px;margin:0 auto;padding:0 20px 70px}
.hb-bar {display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.hb-tabs {display:flex;flex-wrap:wrap;gap:6px}
.hb-tabs button {padding:7px 15px;border-radius:999px;border:1px solid var(--line-2);background:var(--ivory);color:var(--ink-2);font-size:14px;font-weight:600}
.hb-tabs button small {margin-left:6px;font-size:11.5px;font-weight:500;color:var(--faint)}
.hb-tabs button.on {background:var(--emerald);border-color:var(--emerald);color:#fff}
.hb-tabs button.on small {color:rgba(255,255,255,.75)}
.hb-bar select {height:38px;padding:0 12px;border-radius:12px;border:1px solid var(--line-2);background:var(--ivory);color:var(--ink-2);font:inherit;font-size:13.5px}

.books {display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
/* 每张卡一样宽：长书名不许把列撑宽，超出部分显示省略号 */
.books > .book {min-width:0;width:100%;cursor:pointer}
.book > * {min-width:0;max-width:100%}
.book {display:flex;flex-direction:column;padding:8px;border-radius:16px;background:var(--ivory);border:1px solid var(--line);box-shadow:var(--shadow-card);text-align:left;transition:transform .3s,box-shadow .3s}
.book:hover {transform:translateY(-5px);box-shadow:0 24px 44px -20px rgba(40,30,10,.32)}
.book .cv {position:relative;width:100%;aspect-ratio:3/4;border-radius:10px;overflow:hidden;background:var(--paper-2)}
.book .cv img {position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.book:hover .cv img {transform:scale(1.04)}
.book .cv-empty {display:grid;place-items:center;height:100%;padding:12px;font-family:var(--serif);font-size:15px;color:var(--muted);text-align:center}
.book .cv .lbl {position:absolute;left:8px;top:8px;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700;color:#fff;background:var(--emerald)}
.book .cv .lbl.hot {background:var(--brass)}
.book .cv .get {position:absolute;left:50%;bottom:12px;transform:translate(-50%,10px);opacity:0;height:34px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap;color:#fff;background:var(--emerald);box-shadow:0 10px 20px -8px rgba(0,0,0,.4);transition:opacity .3s,transform .3s}
.book:hover .cv .get {opacity:1;transform:translate(-50%,0)}
.book h3 {margin:11px 6px 0;font-family:var(--serif);font-size:15.5px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book p {display:flex;justify-content:space-between;align-items:center;gap:8px;margin:4px 6px 4px;font-size:12.5px}
.book p em {font-style:normal;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book p b {flex:none;font-size:15px;color:var(--ink)}
.hb-empty {grid-column:1/-1;padding:60px 0;text-align:center;color:var(--muted)}

/* 详情弹窗 */
.hb-modal .hb-card {width:min(980px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:26px;border-radius:20px;background:var(--ivory)}
.hb-detail {display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px}
.hb-main {position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow-paper)}
.hb-main .cv-empty {display:grid;place-items:center;height:100%;color:var(--faint);font-size:13px}
.hb-main img {position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.hb-thumbs {display:flex;gap:8px;margin-top:12px;overflow-x:auto;padding-bottom:4px}
.hb-thumbs button {flex:none;width:58px;height:76px;padding:0;border-radius:8px;overflow:hidden;border:2px solid transparent;background:var(--paper-2)}
.hb-thumbs button.on {border-color:var(--emerald)}
.hb-thumbs img {width:100%;height:100%;object-fit:cover}
.hb-info h2 {margin:8px 0 10px;font-family:var(--serif);font-size:26px;font-weight:900;line-height:1.3;color:var(--ink)}
.hb-price {display:flex;align-items:baseline;gap:10px}
.hb-price b {font-family:var(--serif);font-size:28px;color:#b0601f}
.hb-price s {font-size:14px;color:var(--faint)}
.hb-price span {padding:2px 10px;border-radius:999px;background:var(--brass-soft);color:#7a5a1f;font-size:12px;font-weight:700}
.hb-facts {display:flex;flex-wrap:wrap;gap:6px 16px;margin:14px 0 0;padding:12px 0;list-style:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.hb-facts b {color:var(--ink)}
.hb-desc {margin-top:14px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.hb-tags {display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.hb-tags span {padding:3px 10px;border-radius:999px;background:var(--paper-2);color:var(--muted);font-size:12px}
.hb-info .dc-actions {margin-top:20px}
.hb-info .dc-actions .btn {height:44px;padding:0 20px}
.hb-note {margin-top:10px;font-size:12.5px;color:var(--emerald)}

/* 年卡兑换 */
.card-card .card-tip {margin-top:8px;font-size:13px;line-height:1.7;color:var(--muted)}
.card-card .card-tip b {color:var(--ink);letter-spacing:.06em}
.card-card input {width:100%;height:50px;margin-top:16px;padding:0 16px;border:1px solid var(--line-2);border-radius:14px;background:#fff;font:600 18px/1 "Inter",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);outline:0;box-sizing:border-box}
.card-card input:focus {border-color:var(--emerald);box-shadow:0 0 0 4px rgba(15,92,67,.1)}
.card-msg {min-height:20px;margin-top:8px;font-size:13px;color:var(--danger)}

@media (max-width:1080px) {.books {grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:820px) {
  .books {grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .book .cv .get {display:none}
  .hb-detail {grid-template-columns:1fr}
  .hb-modal .hb-card {padding:18px}
}

/* 在线支付弹窗（2026-10-19） */
.pay-card {width:min(420px,100%)}
.pay-line {display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--paper-2)}
.pay-line span {font-size:14px;color:var(--ink-2)}
.pay-line b {flex:none;font-family:var(--serif);font-size:24px;color:#b0601f}
.pay-tip {margin-top:14px;font-size:13.5px;line-height:1.7;color:var(--muted);text-align:center}
.pay-tip b {color:var(--ink)}
.pay-tip.err {color:var(--danger)}
.pay-methods {display:grid;gap:10px;margin-top:10px}
.pay-method {display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:14px 16px;border-radius:14px;border:1px solid var(--line-2);background:#fff;text-align:left}
.pay-method b {font-size:15.5px;color:var(--ink)}
.pay-method small {font-size:12px;color:var(--muted)}
.pay-method.wx b::before {content:"";display:inline-block;width:10px;height:10px;margin-right:8px;border-radius:50%;background:#07c160}
.pay-method.ali b::before {content:"";display:inline-block;width:10px;height:10px;margin-right:8px;border-radius:50%;background:#1677ff}
.pay-method:hover {border-color:var(--emerald)}
.pay-qr {display:grid;place-items:center;margin-top:14px}
.pay-qr svg {width:220px;height:220px;border:1px solid var(--line);border-radius:12px}
.pay-wait {margin-top:6px;font-size:12.5px;color:var(--emerald);text-align:center}
.modal-card .btn.wide {width:100%;height:46px;margin-top:16px}
.hb-extras {margin-top:10px;font-size:13px;color:var(--emerald)}

/* 手抄报第一步：核对文字（2026-10-19） */
.pc-card {width:min(620px,100%);max-height:calc(100vh - 32px);overflow:auto}
.pc-tip {margin-top:8px;font-size:13px;line-height:1.7;color:var(--muted)}
.pc-tip b {color:var(--emerald)}
.pc-body {display:grid;gap:12px;margin-top:14px}
.pc-wait {display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px 0;color:var(--muted);font-size:13px}
.pc-wait b {color:var(--ink);font-size:16px}
.pc-err {padding:10px 12px;border-radius:10px;background:var(--danger-soft);color:var(--danger);font-size:13px}
.pc-sec {padding:12px 14px;border-radius:14px;background:var(--paper);border:1px solid var(--line)}
.pc-head {display:flex;align-items:center;gap:10px;margin-bottom:8px}
.pc-head b {display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--brass);color:var(--brass);font-family:var(--serif);font-size:13px}
.pc-head input {flex:1;height:36px;padding:0 10px;border:1px solid var(--line-2);border-radius:10px;background:#fff;font:700 15px var(--serif);color:var(--ink)}
.pc-head input[readonly] {background:transparent;border-color:transparent}
.pc-line {display:flex;align-items:center;gap:8px;margin-top:6px}
.pc-line input {flex:1;min-width:0;height:36px;padding:0 10px;border:1px solid var(--line-2);border-radius:10px;background:#fff;font:inherit;font-size:14px;color:var(--ink)}
.pc-line input:focus,.pc-head input:focus {outline:0;border-color:var(--emerald);box-shadow:0 0 0 3px rgba(15,92,67,.1)}
.pc-line em {flex:none;width:44px;font-style:normal;font-size:12px;color:var(--faint);text-align:right}
.pc-line em.warn {color:#b0601f}
.pc-line em.over {color:var(--danger);font-weight:700}
.pc-people {display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:14px;border:1px dashed var(--line-2);cursor:pointer}
.pc-people input {flex:none;width:18px;height:18px;accent-color:var(--emerald)}
.pc-people span {display:grid;gap:2px}
.pc-people b {font-size:14px;color:var(--ink)}
.pc-people small {font-size:12px;color:var(--muted)}
.pc-actions {position:sticky;bottom:-26px;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin:16px -28px -26px;padding:14px 28px;background:var(--ivory);border-top:1px solid var(--line)}
.pc-actions .btn {height:44px;padding:0 20px}