/* China→Europe Shipping Cost Calculator — tool styles (namespaced .eusc-) */

.eusc { --eusc-ink: #0A1628; --eusc-primary: #2563EB; --eusc-sand: #F8F9FA; --eusc-rule: #E4E7EC;
  --eusc-muted: #68758A; --eusc-ok: #0E7C56; --eusc-warn: #B45309; --eusc-danger: #B42318;
  color: var(--eusc-ink); }
.eusc * { box-sizing: border-box; }

/* ---- tabs ---- */
.eusc-tabs { display: flex; gap: 4px; background: var(--eusc-sand); padding: 4px; border-radius: 14px; margin-bottom: 18px; overflow-x: auto; }
.eusc-tab { flex: 0 0 auto; border: 0; background: transparent; color: #46536B; font-weight: 600; font-size: 14px;
  padding: 9px 16px; border-radius: 10px; cursor: pointer; white-space: nowrap; }
.eusc-tab[aria-selected="true"] { background: #fff; color: var(--eusc-primary); box-shadow: 0 1px 3px rgba(10,22,40,.12); }

/* ---- layout ---- */
.eusc-grid { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1023px) { .eusc-grid { grid-template-columns: 1fr; } }

.eusc-panel { background: #fff; border: 1px solid var(--eusc-rule); border-radius: 20px; }
.eusc-panel__head { padding: 14px 18px; border-bottom: 1px solid var(--eusc-rule); display: flex; align-items: center; gap: 8px; }
.eusc-panel__head h2 { font-size: 15px; margin: 0; font-weight: 700; }
.eusc-panel__body { padding: 16px 18px 20px; }
.eusc-sticky { position: sticky; top: 78px; }
@media (max-width: 1023px) { .eusc-sticky { position: static; } }

/* ---- form ---- */
.eusc-field { margin-bottom: 13px; }
.eusc-field > label { display: block; font-size: 12.5px; font-weight: 700; color: #46536B; margin-bottom: 5px; }
.eusc-hint { font-size: 11.5px; color: var(--eusc-muted); margin-top: 4px; line-height: 1.45; }
.eusc-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.eusc-row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.eusc input[type=text], .eusc input[type=number], .eusc select, .eusc textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #CBD2DD; border-radius: 10px; background: #fff;
  color: var(--eusc-ink); font-size: 14px; font-family: inherit; }
.eusc input:focus, .eusc select:focus { outline: none; border-color: var(--eusc-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.eusc-unit { position: relative; }
.eusc-unit span { position: absolute; right: 11px; top: 50%; transform: translateY(-50%); font-size: 11.5px; color: var(--eusc-muted); pointer-events: none; }
.eusc-unit input { padding-right: 46px; }
.eusc-checks { display: grid; grid-template-columns: 1fr; gap: 6px; }
.eusc-check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: #46536B; line-height: 1.35; cursor: pointer; }
.eusc-check input { margin-top: 2px; accent-color: var(--eusc-primary); }
.eusc-details { border-top: 1px dashed var(--eusc-rule); margin-top: 12px; padding-top: 11px; }
.eusc-details summary { cursor: pointer; font-size: 13px; font-weight: 700; color: #46536B; list-style: none; }
.eusc-details summary::-webkit-details-marker { display: none; }
.eusc-details summary::before { content: "▸ "; color: var(--eusc-muted); }
.eusc-details[open] summary::before { content: "▾ "; }
.eusc-details > div { margin-top: 11px; }

.eusc-btn { width: 100%; border: 0; border-radius: 12px; padding: 12px 14px; font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit; }
.eusc-btn--primary { background: var(--eusc-primary); color: #fff; }
.eusc-btn--primary:hover { background: #1D4ED8; }
.eusc-btn--ghost { background: var(--eusc-sand); color: #46536B; }
.eusc-btn--ghost:hover { background: #EEF1F5; }
.eusc-btnrow { display: grid; grid-template-columns: 2fr 1fr; gap: 8px; margin-top: 15px; }

.eusc-note { border-radius: 12px; padding: 10px 13px; font-size: 12.5px; line-height: 1.55; margin-bottom: 11px; }
.eusc-note--info { background: #EFF5FF; border: 1px solid #CFE0FB; color: #1B3F8F; }
.eusc-note--warn { background: #FEF6E7; border: 1px solid #F3D9A8; color: var(--eusc-warn); }
.eusc-note--danger { background: #FDECEA; border: 1px solid #F3C3BD; color: var(--eusc-danger); }

/* ---- results ---- */
.eusc-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 11px; margin-bottom: 15px; }
.eusc-stat { background: #fff; border: 1px solid var(--eusc-rule); border-radius: 16px; padding: 12px 14px; }
.eusc-stat b { display: block; font-size: 20px; margin-top: 3px; font-variant-numeric: tabular-nums; }
.eusc-stat span { font-size: 11.5px; color: var(--eusc-muted); }
.eusc-stat--best b { color: var(--eusc-ok); }

.eusc-card { background: #fff; border: 1px solid var(--eusc-rule); border-radius: 18px; margin-bottom: 12px; overflow: hidden; }
.eusc-card--best { border-color: #9FD9BF; box-shadow: inset 0 0 0 1px #9FD9BF; }
.eusc-card__top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; padding: 15px 17px 12px; align-items: start; }
@media (max-width: 640px) { .eusc-card__top { grid-template-columns: 1fr; } }
.eusc-card__title { font-size: 15.5px; font-weight: 700; line-height: 1.35; }
.eusc-badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.eusc-badge { font-size: 11px; padding: 3px 8px; border-radius: 20px; border: 1px solid var(--eusc-rule); background: var(--eusc-sand); color: #46536B; white-space: nowrap; }
.eusc-badge--sea { background: #E7F1FE; border-color: #C3DBFA; color: #14508F; }
.eusc-badge--air { background: #F0EDFD; border-color: #D2CAF7; color: #4B39B8; }
.eusc-badge--rail { background: #ECF6E6; border-color: #CCE3B8; color: #3E6A18; }
.eusc-badge--warn { background: #FEF6E7; border-color: #F3D9A8; color: var(--eusc-warn); }
.eusc-badge--ok { background: #E6F5EE; border-color: #A9DCC4; color: var(--eusc-ok); }
.eusc-price { text-align: right; }
@media (max-width: 640px) { .eusc-price { text-align: left; } }
.eusc-price b { font-size: 25px; font-variant-numeric: tabular-nums; letter-spacing: -.4px; }
.eusc-price small { display: block; font-size: 11.5px; color: var(--eusc-muted); margin-top: 3px; }

.eusc-bd { width: 100%; border-collapse: collapse; font-size: 13px; }
.eusc-bd td { padding: 6px 0; border-bottom: 1px dashed var(--eusc-rule); vertical-align: top; }
.eusc-bd td:last-child { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.eusc-bd tr:last-child td { border-bottom: 0; }
.eusc-bd__total td { font-weight: 700; border-top: 1px solid #CBD2DD; padding-top: 9px; }
.eusc-bd .muted { display: block; font-size: 11.5px; color: var(--eusc-muted); line-height: 1.45; margin-top: 2px; }
.eusc-break { padding: 0 17px 14px; }
.eusc-bar { height: 6px; border-radius: 4px; background: var(--eusc-sand); overflow: hidden; margin-top: 9px; }
.eusc-bar > i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--eusc-primary), #7C5CF2); }

.eusc-foot { border-top: 1px solid var(--eusc-rule); background: var(--eusc-sand); padding: 10px 17px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 12px; color: var(--eusc-muted); }
.eusc-foot .grow { flex: 1 1 auto; }
.eusc-linkbtn { border: 0; background: transparent; color: var(--eusc-primary); font-size: 12px; font-weight: 700; cursor: pointer; padding: 0; font-family: inherit; }
.eusc-cta { display: inline-flex; align-items: center; gap: 6px; background: #25D366; color: #fff; font-weight: 700;
  font-size: 12.5px; padding: 8px 12px; border-radius: 10px; text-decoration: none; }
.eusc-cta:hover { background: #1EB757; color: #fff; }
.eusc-detail { display: none; border-top: 1px solid var(--eusc-rule); background: var(--eusc-sand); padding: 13px 17px; font-size: 12.5px; color: #46536B; }
.eusc-detail[data-open="1"] { display: block; }
.eusc-detail h4 { font-size: 12.5px; margin: 12px 0 5px; color: var(--eusc-ink); }
.eusc-detail h4:first-child { margin-top: 0; }
.eusc-detail ul { margin: 0; padding-left: 18px; line-height: 1.6; }
.eusc-detail li { margin-bottom: 4px; }
.eusc-blocked { padding: 0 17px 14px; }
.eusc-blocked p { margin: 0; font-size: 12.5px; color: var(--eusc-danger); background: #FDECEA; border: 1px solid #F3C3BD; border-radius: 10px; padding: 9px 12px; }

.eusc-empty { background: #fff; border: 1px dashed #CBD2DD; border-radius: 18px; padding: 34px 22px; text-align: center; color: var(--eusc-muted); font-size: 14px; line-height: 1.6; }
.eusc-empty b { display: block; color: var(--eusc-ink); font-size: 16px; margin-bottom: 6px; }
.eusc-sortbar { display: flex; gap: 8px; align-items: center; margin-left: auto; font-size: 12.5px; color: var(--eusc-muted); }
.eusc-sortbar select { width: auto; padding: 6px 9px; font-size: 13px; }
.eusc-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.eusc-head h2 { font-size: 15.5px; margin: 0; }
.eusc-head .count { font-size: 12.5px; color: var(--eusc-muted); }

.eusc-card--off { background: #FCFCFD; }
.eusc-card--off .eusc-price b { color: #8A94A6; text-decoration: line-through; text-decoration-color: #CBD2DD; }
.eusc-card--off .eusc-bar > i { background: #CBD2DD; }

/* ---- tables (rules / FCL) ---- */
.eusc-tblwrap { overflow: auto; border: 1px solid var(--eusc-rule); border-radius: 16px; background: #fff; max-height: 540px; }
.eusc-tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.eusc-tbl th, .eusc-tbl td { padding: 8px 10px; border-bottom: 1px solid var(--eusc-rule); text-align: left; vertical-align: top; }
.eusc-tbl th { background: var(--eusc-sand); font-size: 12px; color: #46536B; position: sticky; top: 0; z-index: 1; }
.eusc-tbl td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.eusc-sec { margin-bottom: 26px; }
.eusc-sec > h3 { font-size: 16px; margin: 0 0 5px; font-weight: 700; }
.eusc-sec > p { font-size: 13px; color: var(--eusc-muted); margin: 0 0 12px; line-height: 1.6; }

.eusc-search { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.eusc-search input { flex: 1 1 220px; }
.eusc-acc { border: 1px solid var(--eusc-rule); border-radius: 14px; background: #fff; margin-bottom: 8px; overflow: hidden; }
.eusc-acc > summary { padding: 11px 14px; cursor: pointer; font-size: 13.5px; font-weight: 700; list-style: none; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.eusc-acc > summary::-webkit-details-marker { display: none; }
.eusc-acc > summary::before { content: "▸"; color: var(--eusc-muted); font-size: 11px; }
.eusc-acc[open] > summary::before { content: "▾"; }
.eusc-acc .body { padding: 0 14px 14px; font-size: 12.5px; color: #46536B; line-height: 1.6; }
.eusc-acc .body ul { margin: 8px 0 0; padding-left: 18px; }
.eusc-acc .body li { margin-bottom: 5px; }
.eusc-kv { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 4px 12px; font-size: 12.5px; }
.eusc-kv dt { color: var(--eusc-muted); }
.eusc-kv dd { margin: 0; }
.eusc-src { background: var(--eusc-sand); border: 1px solid var(--eusc-rule); border-radius: 12px; padding: 11px 13px; font-size: 12.5px; color: #46536B; margin-bottom: 9px; line-height: 1.6; }
.eusc-src b { color: var(--eusc-ink); }
.eusc-sr { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }
.eusc-spin { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.45); border-top-color: #fff; border-radius: 50%; animation: eusc-spin .7s linear infinite; vertical-align: -2px; margin-right: 6px; }
@keyframes eusc-spin { to { transform: rotate(360deg); } }
.eusc--loading .eusc-grid { opacity: .55; }
.eusc-fx { font-size: 12px; color: var(--eusc-muted); }

/* 移动端算完滚到结果区时，给吸顶头部留出空间 */
#eusc-results { scroll-margin-top: 84px; }
/* 附加费/费用的费率表条款出处 */
.eusc-src { display: block; margin-top: 4px; font-size: 11.5px; line-height: 1.45; color: #6B7280;
  border-left: 2px solid rgba(37, 99, 235, .25); padding-left: 8px; }
.eusc-src i { color: #9CA3AF; font-size: 10px; margin-right: 3px; }