/* =============================================================
 * zipper-size-guide · 五金辅料样品册（冷银 / 炭灰 / 铜金 / 信号红）
 * 金属拉丝质感 + 方角规格卡；浅色默认，深色跟随导航主题
 * ============================================================= */
.zsg-page, .zsg-modal, .zsg-toast {
    --zsg-bg: #edf0f3;
    --zsg-card: #ffffff;
    --zsg-card-2: #f5f7f9;
    --zsg-ink: #232c36;
    --zsg-ink-2: #4e5c68;
    --zsg-ink-3: #8795a1;
    --zsg-line: #d9e0e6;
    --zsg-line-2: #b7c3cd;
    --zsg-charcoal: #2b3440;
    --zsg-charcoal-2: #3c4958;
    --zsg-brass: #a8792c;
    --zsg-brass-soft: #f8efdc;
    --zsg-red: #bf463c;
    --zsg-red-soft: #fae9e7;
    --zsg-green: #2d7357;
    --zsg-green-soft: #e4f2ea;
    --zsg-blue: #2b6a9c;
    --zsg-blue-soft: #e6f0f8;
    --zsg-sh-1: 0 2px 6px rgba(35, 48, 62, .08);
    --zsg-sh-2: 0 16px 36px rgba(35, 48, 62, .15);
    --zsg-sh-3: 0 28px 66px rgba(25, 33, 43, .3);
    --zsg-num: "Bahnschrift", "DIN Alternate", "Segoe UI", Consolas, monospace;
}
:root[data-theme="dark"] .zsg-page,
:root[data-theme="dark"] .zsg-modal,
:root[data-theme="dark"] .zsg-toast {
    --zsg-bg: #10151b;
    --zsg-card: #1a222b;
    --zsg-card-2: #212c37;
    --zsg-ink: #e9eff4;
    --zsg-ink-2: #b3c2ce;
    --zsg-ink-3: #81929f;
    --zsg-line: #303d49;
    --zsg-line-2: #455665;
    --zsg-charcoal: #0d141b;
    --zsg-charcoal-2: #18242e;
    --zsg-brass: #e5ba6c;
    --zsg-brass-soft: rgba(229, 186, 108, .13);
    --zsg-red: #ff9b92;
    --zsg-red-soft: rgba(255, 155, 146, .13);
    --zsg-green: #75cda4;
    --zsg-green-soft: rgba(117, 205, 164, .12);
    --zsg-blue: #86bde8;
    --zsg-blue-soft: rgba(134, 189, 232, .12);
    --zsg-sh-1: 0 2px 6px rgba(0, 0, 0, .4);
    --zsg-sh-2: 0 16px 36px rgba(0, 0, 0, .48);
    --zsg-sh-3: 0 28px 66px rgba(0, 0, 0, .66);
}
.zsg-page {
    background-color: var(--zsg-bg);
    background-image: repeating-linear-gradient(0deg, rgba(43, 52, 64, .028) 0 1px, transparent 1px 4px);
    color: var(--zsg-ink); min-height: 100vh; padding: 0 0 76px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 15px; line-height: 1.78;
}
.zsg-wrap { max-width: 1160px; margin: 0 auto; padding: 0 22px; }
.zsg-page .detail-breadcrumb { padding: 20px 0 12px; font-size: 13px; color: var(--zsg-ink-3); }
.zsg-page .detail-breadcrumb a { color: var(--zsg-ink-2); text-decoration: none; }
.zsg-page .detail-breadcrumb .sep { margin: 0 8px; }

/* ---------- hero：金属样品册 ---------- */
.zsg-hero { display: grid; grid-template-columns: 1fr 250px; gap: 26px; align-items: center;
    background: linear-gradient(115deg, var(--zsg-charcoal) 0%, var(--zsg-charcoal-2) 100%);
    color: #eef3f7; border: 1px solid var(--zsg-line-2); box-shadow: var(--zsg-sh-2); padding: 30px 36px; margin: 10px 0 22px; }
.zsg-kicker { font-size: 11px; letter-spacing: .16em; color: #e5ba6c; font-weight: 700; }
.zsg-hero h1 { font-size: clamp(26px, 3.1vw, 38px); line-height: 1.34; margin: 12px 0 12px; font-weight: 800; }
.zsg-sub { color: #c8d3dc; max-width: 43em; margin: 0 0 16px; }
.zsg-sub b { color: #e5ba6c; }
.zsg-hero-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.zsg-hero-facts span { font-size: 11.5px; border: 1px solid rgba(255,255,255,.24); padding: 3px 10px; font-family: var(--zsg-num); }
.zsg-hero-foot { font-size: 12px; color: #aab9c4; margin: 0; }
.zsg-hero-foot b { color: #e5ba6c; }
.zsg-swatch { justify-self: center; width: 220px; background: linear-gradient(160deg, #f4f6f8, #d9dfe5); border: 1px solid #aab6c0; padding: 12px; transform: rotate(-2deg); box-shadow: var(--zsg-sh-3); }
.zsg-swatch-tape { font-size: 10px; letter-spacing: .24em; color: #5b6874; border-bottom: 1px solid #b9c4cd; padding-bottom: 5px; }
.zsg-swatch-zip { display: flex; align-items: center; justify-content: center; gap: 3px; height: 62px; margin: 10px 0; background: linear-gradient(#e8edf1, #cfd8df); border-top: 2px solid #9aa8b4; border-bottom: 2px solid #9aa8b4; }
.zsg-swatch-zip i { display: block; background: linear-gradient(90deg, #b4873c, #e6c37c, #a97a2f); border-radius: 2px; height: 20px; }
.zsg-swatch-foot { text-align: center; font-size: 11px; color: #4d5a66; }
.zsg-swatch-foot b { font-family: var(--zsg-num); font-size: 20px; color: #8a6220; }

/* ---------- 首屏判定台 ---------- */
.zsg-entry { background: var(--zsg-card); border: 1px solid var(--zsg-line-2); border-top: 6px solid var(--zsg-brass); box-shadow: var(--zsg-sh-2); padding: 22px 26px 24px; margin-bottom: 22px; }
.zsg-entry-head { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 2px solid var(--zsg-charcoal); padding-bottom: 9px; margin-bottom: 16px; }
.zsg-entry-head span { font-size: 20px; font-weight: 800; }
.zsg-entry-head i { font-style: normal; font-size: 11px; letter-spacing: .1em; color: var(--zsg-ink-3); font-family: var(--zsg-num); }
.zsg-fields { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.zsg-fields label { display: block; font-size: 12px; font-weight: 700; color: var(--zsg-ink-2); }
.zsg-fields label em { font-style: normal; font-weight: 400; color: var(--zsg-ink-3); }
.zsg-fields input, .zsg-fields select, .zsg-list-rows select, .zsg-list-rows input, .zsg-note-label textarea, textarea#zsgBatch {
    width: 100%; box-sizing: border-box; margin-top: 5px; padding: 8px 9px; border: 1px solid var(--zsg-line-2);
    border-radius: 2px; background: var(--zsg-card-2); color: var(--zsg-ink); font-family: var(--zsg-num); font-size: 15px; outline: none;
}
.zsg-fields select, .zsg-list-rows select { font-family: inherit; font-size: 13px; }
.zsg-fields input:focus, .zsg-fields select:focus, textarea:focus { border-color: var(--zsg-brass); box-shadow: 0 0 0 3px var(--zsg-brass-soft); }
.zsg-quick { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 14px; }
.zsg-quick span { font-size: 12px; color: var(--zsg-ink-3); }
.zsg-quick button { border: 1px solid var(--zsg-line-2); background: var(--zsg-card-2); color: var(--zsg-ink-2); padding: 4px 10px; font-size: 12px; cursor: pointer; }
.zsg-quick button:hover, .zsg-quick button.is-on { background: var(--zsg-charcoal); border-color: var(--zsg-charcoal); color: #fff; }
.zsg-actions, .zsg-btn-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 14px 0 8px; }
.zsg-btn { background: var(--zsg-card); border: 1px solid var(--zsg-line-2); color: var(--zsg-ink); border-radius: 2px; padding: 9px 16px; font-size: 13px; font-weight: 700; cursor: pointer; }
.zsg-btn:hover { box-shadow: var(--zsg-sh-1); }
.zsg-btn--main { background: var(--zsg-charcoal); border-color: var(--zsg-charcoal); color: #fff; font-size: 15px; padding: 11px 22px; }
:root[data-theme="dark"] .zsg-btn--main { color: var(--zsg-brass); }
.zsg-error { background: var(--zsg-red-soft); color: var(--zsg-red); border-left: 4px solid var(--zsg-red); padding: 8px 12px; font-size: 13px; margin: 10px 0; }
.zsg-error[hidden], .zsg-note-view[hidden] { display: none !important; }
.zsg-entry-result { display: grid; grid-template-columns: 210px 1fr; gap: 18px; align-items: center; background: var(--zsg-charcoal); color: #eef3f7; padding: 16px 20px; margin-top: 12px; }
.zsg-er-lead { border-right: 1px dashed rgba(255,255,255,.25); }
.zsg-er-lead span { display: block; font-size: 12px; color: #aab9c4; }
.zsg-er-lead b { font-family: var(--zsg-num); font-size: 50px; line-height: 1.1; color: #e5ba6c; }
.zsg-er-lead i { font-style: normal; font-size: 18px; margin-left: 4px; }
.zsg-er-lead em { display: block; font-style: normal; font-size: 11.5px; color: #8fd0af; }
.zsg-er-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.zsg-er-grid span { display: block; font-size: 11px; color: #aab9c4; }
.zsg-er-grid b { font-family: var(--zsg-num); font-size: 16px; }
.zsg-er-note { grid-column: 1 / -1; font-size: 11.5px; color: #aab9c4; margin: 0; }

/* ---------- 通用卡片 ---------- */
.zsg-rule { display: flex; align-items: flex-start; gap: 14px; background: var(--zsg-brass-soft); border: 1px solid var(--zsg-line-2); border-left: 5px solid var(--zsg-brass); padding: 12px 18px; margin: 0 0 22px; font-size: 13.5px; }
.zsg-rule-tag { flex: none; background: var(--zsg-charcoal); color: #e5ba6c; font-size: 11px; padding: 3px 9px; }
.zsg-rule p { margin: 0; } .zsg-rule b { color: var(--zsg-brass); }
.zsg-card { background: var(--zsg-card); border: 1px solid var(--zsg-line); border-left: 3px solid var(--zsg-brass); box-shadow: var(--zsg-sh-1); padding: 22px 24px; margin: 0 0 22px; min-width: 0; }
.zsg-head { border-bottom: 1px dashed var(--zsg-line-2); padding-bottom: 10px; margin-bottom: 16px; }
.zsg-head h2 { font-size: 20px; margin: 0 0 4px; font-weight: 800; }
.zsg-head p { font-size: 13px; color: var(--zsg-ink-3); margin: 0; }
.zsg-two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.zsg-table-scroll { overflow-x: auto; }
.zsg-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.zsg-table th { text-align: left; background: var(--zsg-card-2); border-bottom: 2px solid var(--zsg-line-2); padding: 9px 9px; font-size: 12px; }
.zsg-table td { padding: 9px 9px; border-bottom: 1px solid var(--zsg-line); }
.zsg-table td.num { font-family: var(--zsg-num); font-size: 14px; }
.zsg-table tr.is-current td { background: var(--zsg-brass-soft); }
.zsg-row-btn { border: 1px solid var(--zsg-line-2); background: var(--zsg-card); color: var(--zsg-ink-2); padding: 3px 9px; font-size: 12px; cursor: pointer; }
.zsg-row-btn:hover { background: var(--zsg-brass-soft); border-color: var(--zsg-brass); }
.zsg-tag { font-size: 11px; padding: 2px 8px; }
.zsg-tag.tone-ok { background: var(--zsg-green-soft); color: var(--zsg-green); }
.zsg-tag.tone-warn { background: var(--zsg-brass-soft); color: var(--zsg-brass); }
.zsg-tag.tone-bad { background: var(--zsg-red-soft); color: var(--zsg-red); }
.zsg-figure-box { background: var(--zsg-card-2); border: 1px dashed var(--zsg-line-2); padding: 12px; }
.zsg-figure-box svg { width: 100%; height: auto; display: block; }
.zsg-svg-tape { fill: var(--zsg-blue-soft); stroke: var(--zsg-line-2); stroke-width: 1.5; }
.zsg-svg-tooth { fill: var(--zsg-brass); stroke: #8a6220; stroke-width: 1; }
.zsg-svg-cal { stroke: var(--zsg-red); stroke-width: 2; stroke-dasharray: 5 3; }
.zsg-svg-dim { stroke: var(--zsg-red); stroke-width: 2; }
.zsg-svg-label { fill: var(--zsg-ink-2); font-size: 12px; font-family: var(--zsg-num); }
.zsg-figure-legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--zsg-ink-2); margin-top: 10px; }
.zsg-figure-legend span { display: inline-flex; align-items: center; gap: 6px; }
.zsg-figure-legend i { width: 14px; height: 10px; display: inline-block; }
.zsg-figure-legend .tone-tooth { background: var(--zsg-brass); }
.zsg-figure-legend .tone-tape { background: var(--zsg-blue-soft); border: 1px solid var(--zsg-line-2); }
.zsg-figure-legend .tone-cal { background: var(--zsg-red); }
.zsg-kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.zsg-kpi { background: var(--zsg-card-2); border: 1px solid var(--zsg-line); padding: 11px 10px; }
.zsg-kpi span { display: block; font-size: 11.5px; color: var(--zsg-ink-3); }
.zsg-kpi b { font-family: var(--zsg-num); font-size: 23px; }
.zsg-kpi i { font-style: normal; font-size: 11px; color: var(--zsg-ink-3); margin-left: 3px; }
.zsg-reading { margin-top: 14px; background: var(--zsg-blue-soft); border-left: 4px solid var(--zsg-blue); padding: 11px 15px; font-size: 13.5px; }
.zsg-reading b { color: var(--zsg-brass); }

/* ---------- 采购清单 / 批量 / 关于 ---------- */
.zsg-list-rows { display: flex; flex-direction: column; gap: 8px; }
.zsg-list-row { display: grid; grid-template-columns: 1fr 1fr 1fr 76px 62px 32px; gap: 7px; align-items: end; }
.zsg-list-row label { font-size: 10.5px; color: var(--zsg-ink-3); }
.zsg-list-row input, .zsg-list-row select { font-size: 13px; padding: 6px 7px; }
.zsg-list-del { border: 1px solid var(--zsg-line-2); background: var(--zsg-card); color: var(--zsg-red); font-size: 16px; height: 34px; cursor: pointer; }
.zsg-list-sum { margin-top: 12px; background: var(--zsg-card-2); border: 1px dashed var(--zsg-line-2); padding: 9px 12px; font-size: 13px; }
.zsg-list-sum b { font-family: var(--zsg-num); font-size: 18px; color: var(--zsg-charcoal); }
:root[data-theme="dark"] .zsg-list-sum b { color: var(--zsg-brass); }
textarea#zsgBatch, .zsg-note-label textarea { font-family: var(--zsg-num); font-size: 13.5px; line-height: 1.65; resize: vertical; }
.zsg-note-label { display: block; font-size: 12px; font-weight: 700; color: var(--zsg-ink-2); margin-top: 10px; }
.zsg-note-view { background: var(--zsg-card-2); border-left: 3px solid var(--zsg-brass); padding: 8px 12px; font-size: 13px; margin-top: 8px; word-break: break-all; }
.zsg-batch-out { margin-top: 12px; max-height: 240px; overflow: auto; }
.zsg-batch-out table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.zsg-batch-out th { text-align: left; background: var(--zsg-card-2); padding: 6px 8px; }
.zsg-batch-out td { padding: 6px 8px; border-bottom: 1px solid var(--zsg-line); }
.zsg-batch-out tr.is-bad td { color: var(--zsg-red); }
.zsg-batch-sum { display: flex; gap: 14px; font-size: 12px; color: var(--zsg-ink-2); margin-bottom: 8px; }
.zsg-batch-sum .is-bad { color: var(--zsg-red); font-weight: 700; }
.zsg-mini { font-size: 12px; color: var(--zsg-ink-3); margin: 10px 0 0; }
.zsg-about { background: var(--zsg-charcoal); color: #dce5ec; border-color: var(--zsg-charcoal); }
.zsg-about .zsg-head { border-bottom-color: rgba(255,255,255,.2); }
.zsg-about .zsg-head p { color: #aab9c4; }
.zsg-about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.zsg-about-grid h3 { font-size: 14px; margin: 0 0 5px; color: #e5ba6c; }
.zsg-about-grid p { font-size: 12.5px; margin: 0; color: #c2cfd8; }
.zsg-about-grid b { color: #fff; }
.zsg-modal[hidden], .zsg-toast[hidden] { display: none !important; }
.zsg-modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 9800; }
.zsg-modal-mask { position: absolute; inset: 0; background: rgba(20, 28, 36, .68); }
.zsg-modal-card { position: relative; width: min(460px, calc(100vw - 32px)); background: var(--zsg-card); color: var(--zsg-ink); border: 1px solid var(--zsg-line-2); border-top: 5px solid var(--zsg-brass); box-shadow: var(--zsg-sh-3); padding: 26px; }
.zsg-modal-x { position: absolute; right: 12px; top: 8px; border: 0; background: transparent; color: var(--zsg-ink-3); font-size: 24px; cursor: pointer; }
.zsg-modal-kicker { font-size: 11px; letter-spacing: .1em; color: var(--zsg-brass); font-weight: 800; }
.zsg-modal-card h3 { font-size: 21px; margin: 8px 0; }
.zsg-modal-card p { font-size: 13px; color: var(--zsg-ink-2); }
.zsg-modal-input { width: 100%; box-sizing: border-box; padding: 9px; border: 1px solid var(--zsg-line-2); background: var(--zsg-card-2); color: var(--zsg-ink); font-family: var(--zsg-num); font-size: 12px; }
.zsg-modal-foot { display: flex; gap: 9px; margin-top: 15px; }
.zsg-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); background: var(--zsg-charcoal); color: #fff; border-left: 4px solid var(--zsg-brass); padding: 10px 20px; font-size: 13px; z-index: 9900; box-shadow: var(--zsg-sh-2); }

@media (max-width: 980px) {
    .zsg-hero { grid-template-columns: 1fr; } .zsg-swatch { display: none; }
    .zsg-fields { grid-template-columns: repeat(3, 1fr); }
    .zsg-two { grid-template-columns: 1fr; }
    .zsg-kpis { grid-template-columns: repeat(3, 1fr); }
    .zsg-about-grid { grid-template-columns: repeat(2, 1fr); }
    .zsg-entry-result { grid-template-columns: 1fr; }
    .zsg-er-lead { border-right: 0; border-bottom: 1px dashed rgba(255,255,255,.25); padding-bottom: 8px; }
}
@media (max-width: 560px) {
    .zsg-wrap { padding: 0 12px; }
    .zsg-hero, .zsg-card, .zsg-entry { padding: 18px 14px; }
    .zsg-fields { grid-template-columns: repeat(2, 1fr); }
    .zsg-kpis { grid-template-columns: repeat(2, 1fr); }
    .zsg-about-grid { grid-template-columns: 1fr; }
    .zsg-er-grid { grid-template-columns: 1fr; }
    .zsg-list-row { grid-template-columns: 1fr 1fr 1fr; }
    .zsg-table th, .zsg-table td { padding: 7px 6px; font-size: 12px; }
}

/* __G4_MOBILE_FIX__ · 页面级窄屏兜底，不影响其它工具页 */
@media (max-width: 640px) {
    .tool-rec { width: calc(100vw - 24px) !important; max-width: calc(100vw - 24px) !important; box-sizing: border-box; }
    .tool-rec-grid { grid-template-columns: minmax(0, 1fr) !important; }
    .tool-rec-item { min-width: 0 !important; width: 100% !important; box-sizing: border-box; }
    .tool-rec-body, .tool-rec-body b, .tool-rec-body small { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
    .tskb-card { overflow-x: auto; }
    .tskb-legend { min-width: 0; width: 100%; table-layout: fixed; }
    .tskb-legend th, .tskb-legend td { overflow-wrap: anywhere; word-break: break-word; white-space: normal; }
    .tskb-tabs { flex-wrap: wrap; }
    .table-scroll, [class$="-table-scroll"] { max-width: 100%; overflow-x: auto; }
    [class$="-two"] > * { min-width: 0; }
}

/* __G4_DARK_TEXT_FIX__ · 公共样式会覆盖深色色块内的 h1/b 颜色，页面级强制回正 */
.zsg-hero h1, .zsg-er-grid b { color: #eef3f7 !important; }