/* ======================================================================
 *  航班行李超重费计算 /tool/baggage-overweight-calc
 *  风格：值机柜台 —— 航空蓝 + 登机牌齿孔计费单
 *  深色模式随站点 [data-theme="dark"]，本页变量作用域 .boc2-page
 * ====================================================================== */

.boc2-page {
    --boc2-sky: #0e7490;
    --boc2-sky-2: #0891b2;
    --boc2-sun: #fbbf24;
    --boc2-bg: #f0f9ff;
    --boc2-card: #ffffff;
    --boc2-soft: #e0f2fe;
    --boc2-line: #cfe8f5;
    --boc2-text: #102a3e;
    --boc2-muted: #6b8a9c;
    --boc2-shadow: 0 12px 32px -16px rgba(14, 116, 144, .30);
    color: var(--boc2-text);
    padding-bottom: 70px;
    background:
        radial-gradient(860px 380px at 10% -8%, rgba(8, 145, 178, .12), transparent 60%),
        radial-gradient(680px 340px at 92% 0%, rgba(251, 191, 36, .12), transparent 55%);
}
:root[data-theme="dark"] .boc2-page {
    --boc2-sky: #38bdf8;
    --boc2-sky-2: #22d3ee;
    --boc2-bg: #0b1622;
    --boc2-card: #12202e;
    --boc2-soft: #17293a;
    --boc2-line: #24404f;
    --boc2-text: #e3f1f8;
    --boc2-muted: #8aa8b8;
    --boc2-shadow: 0 14px 34px -18px rgba(0, 0, 0, .7);
}

/* ---------- 面包屑 ---------- */
.boc2-crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--boc2-muted);
    padding: 18px 0 0;
}
.boc2-crumb a { color: var(--boc2-muted); text-decoration: none; }
.boc2-crumb a:hover { color: var(--boc2-sky); }
.boc2-crumb b { color: var(--boc2-text); font-weight: 600; }

/* ---------- Hero ---------- */
.boc2-hero { text-align: center; padding: 22px 0 26px; }
.boc2-hero-ic {
    display: inline-grid;
    place-items: center;
    width: 62px;
    height: 62px;
    font-size: 30px;
    border-radius: 16px 16px 16px 4px;
    background: linear-gradient(135deg, var(--boc2-sky), var(--boc2-sky-2));
    color: #fff;
    box-shadow: var(--boc2-shadow);
    margin-bottom: 12px;
    transform: rotate(-3deg);
}
.boc2-hero h1 {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 900;
    letter-spacing: -.02em;
    margin: 0 0 10px;
}
.boc2-hero p {
    max-width: 580px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.8;
    color: var(--boc2-muted);
}
.boc2-hero em { font-style: normal; font-weight: 800; color: var(--boc2-sky); }

/* ---------- 布局 ---------- */
.boc2-layout {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 24px;
    align-items: start;
}
.boc2-form-col { display: flex; flex-direction: column; gap: 16px; }

/* ---------- 表单 ---------- */
.boc2-card {
    background: var(--boc2-card);
    border: 1px solid var(--boc2-line);
    border-radius: 16px;
    padding: 20px 22px;
    box-shadow: var(--boc2-shadow);
}
.boc2-card-t {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    margin: 0 0 16px;
}
.boc2-card-t i {
    font-style: normal;
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    font-size: 13px;
    border-radius: 8px;
    color: #fff;
    background: var(--boc2-sky);
}
.boc2-frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.boc2-field { display: block; margin-bottom: 12px; }
.boc2-field > span { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.boc2-field > span small { font-weight: 400; color: var(--boc2-muted); }
.boc2-field input,
.boc2-field select {
    width: 100%;
    border: 1px solid var(--boc2-line);
    border-radius: 10px;
    background: var(--boc2-soft);
    color: var(--boc2-text);
    font: inherit;
    font-size: 14px;
    padding: 9px 12px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.boc2-field input:focus,
.boc2-field select:focus {
    border-color: var(--boc2-sky-2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--boc2-sky-2) 20%, transparent);
}
.boc2-routes { margin-bottom: 12px; }
.boc2-free-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--boc2-sky);
    background: var(--boc2-soft);
    border: 1px dashed var(--boc2-sky);
    border-radius: 999px;
    padding: 8px 16px;
}
.boc2-free-pill b { font-size: 15px; }
.boc2-free-pill.is-zero { color: #dc2626; border-color: #dc2626; background: rgba(220, 38, 38, .06); }
:root[data-theme="dark"] .boc2-free-pill.is-zero { color: #f87171; }
.boc2-airline-note { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--boc2-muted); }
.boc2-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 4px;
}
.boc2-check input { width: 17px; height: 17px; accent-color: var(--boc2-sky); margin-top: 2px; }
.boc2-check small { display: block; font-weight: 400; color: var(--boc2-muted); }

.boc2-btns { display: flex; gap: 12px; }
.boc2-btn {
    flex: 1;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 13px 20px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--boc2-sky-2), var(--boc2-sky));
    box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--boc2-sky) 70%, transparent);
    transition: transform .15s;
}
.boc2-btn:hover { transform: translateY(-2px); }
.boc2-btn-ghost {
    color: var(--boc2-text);
    background: var(--boc2-card);
    border: 1px solid var(--boc2-line);
    box-shadow: none;
}
.boc2-btn-ghost:hover { border-color: var(--boc2-sky); }

/* ---------- 登机牌计费单 ---------- */
.boc2-result-col { position: sticky; top: 84px; }
.boc2-result-cap {
    text-align: center;
    font-size: 12px;
    color: var(--boc2-muted);
    margin: 0 0 10px;
}
.boc2-board {
    background: var(--boc2-card);
    border: 1px solid var(--boc2-line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--boc2-shadow);
    position: relative;
}
.boc2-board-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--boc2-sky-2), var(--boc2-sky));
    color: #fff;
    font-weight: 800;
    letter-spacing: .08em;
}
.boc2-board-top .boc2-board-brand { font-size: 12px; opacity: .85; }
.boc2-board-top .boc2-board-airline { font-size: 14px; }

.boc2-board-route { padding: 22px 20px 8px; text-align: center; }
.boc2-big { display: flex; align-items: baseline; justify-content: center; gap: 10px; }
.boc2-big span {
    font-size: 64px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    background: linear-gradient(115deg, var(--boc2-sky), var(--boc2-sky-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--boc2-sky);
}
.boc2-big i { font-style: normal; font-size: 15px; font-weight: 700; color: var(--boc2-muted); }
.boc2-board-free {
    margin-top: 10px;
    font-size: 13px;
    color: var(--boc2-muted);
}
.boc2-board-free b { color: var(--boc2-text); }

.boc2-board-body { padding: 12px 20px 18px; }
.boc2-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--boc2-soft);
    border: 1px solid var(--boc2-line);
    font-size: 13.5px;
    margin-bottom: 8px;
}
.boc2-row span { color: var(--boc2-muted); }
.boc2-row span i { font-style: normal; font-size: 12px; }
.boc2-row b { font-size: 17px; font-weight: 900; font-variant-numeric: tabular-nums; }
.boc2-verdict {
    margin-top: 4px;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 13.5px;
    line-height: 1.75;
}
.boc2-verdict b { font-variant-numeric: tabular-nums; }
.boc2-verdict.is-ok { background: rgba(22, 163, 74, .10); border: 1px solid rgba(22, 163, 74, .30); color: #15803d; }
.boc2-verdict.is-warn { background: rgba(245, 158, 11, .10); border: 1px solid rgba(245, 158, 11, .35); color: #b45309; }
.boc2-verdict.is-bad { background: rgba(239, 68, 68, .09); border: 1px solid rgba(239, 68, 68, .30); color: #b91c1c; }
:root[data-theme="dark"] .boc2-verdict.is-ok { color: #4ade80; }
:root[data-theme="dark"] .boc2-verdict.is-warn { color: #fbbf24; }
:root[data-theme="dark"] .boc2-verdict.is-bad { color: #f87171; }

/* 撕票齿孔线 */
.boc2-board-tear {
    position: relative;
    height: 18px;
    background: radial-gradient(circle at 8px 9px, transparent 5px, var(--boc2-line) 5.5px, var(--boc2-line) 6px, transparent 6.5px) 0 0 / 16px 18px repeat-x;
    margin: 0 14px;
}
.boc2-board-foot {
    display: flex;
    justify-content: space-between;
    padding: 10px 20px 14px;
    font-size: 11.5px;
    color: var(--boc2-muted);
    letter-spacing: .1em;
}

/* ---------- 省钱贴士 ---------- */
.boc2-tipcard {
    margin-top: 16px;
    background: var(--boc2-card);
    border: 1px solid var(--boc2-line);
    border-radius: 16px;
    padding: 18px 20px;
    box-shadow: var(--boc2-shadow);
}
.boc2-tipcard h2 { font-size: 16px; font-weight: 800; margin: 0 0 12px; }
.boc2-tipcard ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.boc2-tipcard li {
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--boc2-muted);
    padding-left: 22px;
    position: relative;
}
.boc2-tipcard li::before { content: "💡"; position: absolute; left: 0; font-size: 12px; }
.boc2-tipcard li b { color: var(--boc2-text); }

/* ---------- 底部：口径说明表 ---------- */
.neo-note-table { width: 100%; border-collapse: collapse; }
.neo-note-table th,
.neo-note-table td {
    text-align: left;
    padding: 11px 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--boc2-line) 70%, transparent);
    font-size: 13.5px;
    line-height: 1.75;
    vertical-align: top;
}
.neo-note-table th { width: 92px; font-weight: 800; color: var(--boc2-sky); white-space: nowrap; }
.neo-note-table td { color: var(--boc2-text); }
.neo-note-table td b { color: var(--boc2-sky); }
.neo-usage { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.neo-usage li { font-size: 14px; line-height: 1.9; color: var(--boc2-muted); }
.neo-usage li b { color: var(--boc2-text); }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
    .boc2-layout { grid-template-columns: 1fr; }
    .boc2-result-col { position: static; }
}
@media (max-width: 560px) {
    .boc2-frow { grid-template-columns: 1fr; }
    .boc2-btns { flex-direction: column; }
    .boc2-big span { font-size: 50px; }
}