/* ==========================================================================
   冰箱清洗费计算器 /tool/fridge-cleaning-cost-calc
   独立设计「冰柜清洁服务单」：冰蓝 + 薄荷绿，清爽冷感、直角细边框、
   冰箱门型示意 SVG、收据式服务明细；数字全部等宽，层级靠色块与字重区分
   深浅主题由导航栏主题按钮（data-theme）驱动
   ========================================================================== */

.fcc-page {
    --fcc-ice: #0b7285;
    --fcc-ice-d: #095c6b;
    --fcc-ice-l: #e3f3f7;
    --fcc-ice-line: rgba(11, 114, 133, 0.26);
    --fcc-mint: #12b886;
    --fcc-mint-d: #0c9c70;
    --fcc-mint-l: #e4f8f1;
    --fcc-mint-line: rgba(18, 184, 134, 0.3);
    --fcc-green: #2b8a3e;
    --fcc-green-l: #e7f5ea;
    --fcc-red: #c0392b;
    --fcc-red-l: #fdeceb;
    --fcc-red-line: rgba(192, 57, 43, 0.26);
    --fcc-amber: #d99013;
    --fcc-amber-d: #b07407;
    --fcc-amber-l: #fdf3e0;
    --fcc-amber-line: rgba(217, 144, 19, 0.3);
    --fcc-bg: #eef7f8;
    --fcc-card: #ffffff;
    --fcc-card-2: #f2f9fb;
    --fcc-ink: #16242b;
    --fcc-sub: #4b606b;
    --fcc-mute: #8497a1;
    --fcc-line: #d7e7ea;
    --fcc-line-2: #e8f2f4;
    --fcc-r: 12px;
    --fcc-r-md: 9px;
    --fcc-r-sm: 6px;
    --fcc-shadow: 0 4px 14px rgba(15, 60, 75, 0.06);
    --fcc-shadow-lg: 0 16px 34px rgba(11, 70, 95, 0.18);
    --fcc-ring: 0 0 0 3px rgba(11, 114, 133, 0.16);
    --fcc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --fcc-num: "DIN Alternate", "Bahnschrift", ui-monospace, "SFMono-Regular", Consolas, monospace;
    padding-bottom: 10px;
    color: var(--fcc-ink);
    font-family: var(--fcc-font);
    line-height: 1.7;
}

[data-theme="dark"] .fcc-page {
    --fcc-ice: #6ec6d6;
    --fcc-ice-d: #93d6e2;
    --fcc-ice-l: rgba(110, 198, 214, 0.14);
    --fcc-ice-line: rgba(110, 198, 214, 0.32);
    --fcc-mint: #51d6a8;
    --fcc-mint-d: #7ee0bd;
    --fcc-mint-l: rgba(81, 214, 168, 0.13);
    --fcc-mint-line: rgba(81, 214, 168, 0.32);
    --fcc-green: #5fc97a;
    --fcc-green-l: rgba(95, 201, 122, 0.13);
    --fcc-red: #f0857e;
    --fcc-red-l: rgba(240, 133, 126, 0.13);
    --fcc-red-line: rgba(240, 133, 126, 0.3);
    --fcc-amber: #f0b849;
    --fcc-amber-d: #f7ca6d;
    --fcc-amber-l: rgba(240, 184, 73, 0.14);
    --fcc-amber-line: rgba(240, 184, 73, 0.32);
    --fcc-bg: #0b1518;
    --fcc-card: #122024;
    --fcc-card-2: #18292e;
    --fcc-ink: #e6eff2;
    --fcc-sub: #a7bcc3;
    --fcc-mute: #7d919a;
    --fcc-line: #22383e;
    --fcc-line-2: #1c2e33;
    --fcc-shadow: 0 6px 18px rgba(0, 0, 0, 0.42);
    --fcc-shadow-lg: 0 18px 38px rgba(0, 0, 0, 0.55);
    --fcc-ring: 0 0 0 3px rgba(110, 198, 214, 0.24);
}

.fcc-page *,
.fcc-page *::before,
.fcc-page *::after { box-sizing: border-box; }
.fcc-page [hidden] { display: none !important; }
.fcc-page h1, .fcc-page h2, .fcc-page h3, .fcc-page h4 { font-family: var(--fcc-font); }
.fcc-page a { color: var(--fcc-ice); text-decoration: none; }
.fcc-page a:hover { color: var(--fcc-ice-d); }

/* ============================ 面包屑 ============================ */
.fcc-crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin: 0 0 14px;
    font-size: 13px;
    color: var(--fcc-mute);
}
.fcc-crumb a { color: var(--fcc-sub); }
.fcc-crumb a:hover { color: var(--fcc-ice); }
.fcc-crumb .sep { opacity: 0.45; }
.fcc-crumb .cur { color: var(--fcc-ink); font-weight: 700; }

/* ============================ 首屏 ============================ */
.fcc-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 372px;
    gap: 30px;
    align-items: center;
    padding: 32px 34px;
    margin-bottom: 20px;
    border-radius: 16px;
    overflow: hidden;
    color: #e9f6f9;
    background:
        radial-gradient(120% 130% at 90% -10%, rgba(18, 184, 134, 0.26) 0%, rgba(18, 184, 134, 0) 56%),
        linear-gradient(120deg, #073b48 0%, #0b7285 55%, #1592a6 100%);
    box-shadow: var(--fcc-shadow-lg);
}
.fcc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 26px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 26px);
    mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.1));
    -webkit-mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.1));
    pointer-events: none;
}
.fcc-hero > * { position: relative; z-index: 1; }

.fcc-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border: 1px solid rgba(116, 233, 203, 0.42);
    border-radius: 999px;
    background: rgba(18, 184, 134, 0.16);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #a6f0d9;
}
.fcc-hero h1 {
    margin: 14px 0 11px;
    font-size: clamp(24px, 3.2vw, 38px);
    line-height: 1.32;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #fff;
}
.fcc-hero h1 b { font-weight: 800; color: #6fe9c6; }
.fcc-lead {
    margin: 0 0 15px;
    max-width: 640px;
    font-size: 15px;
    line-height: 1.95;
    color: rgba(233, 246, 249, 0.92);
}
.fcc-lead b { color: #fff; font-weight: 700; }
.fcc-points {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.fcc-points li {
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(166, 240, 217, 0.24);
    font-size: 12.5px;
    color: rgba(233, 246, 249, 0.94);
}
.fcc-points li b { color: #6fe9c6; font-weight: 700; }

.fcc-quick {
    padding: 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.97);
    color: var(--fcc-ink);
    border-top: 4px solid var(--fcc-mint);
    box-shadow: 0 16px 34px rgba(6, 40, 55, 0.36);
}
[data-theme="dark"] .fcc-quick { background: rgba(18, 32, 36, 0.97); }
.fcc-quick-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--fcc-mint);
}
.fcc-quick-head b { font-size: 15px; font-weight: 800; }
.fcc-quick-head span { font-size: 12px; color: var(--fcc-mute); }
.fcc-quick-row { margin-bottom: 12px; }
.fcc-quick-row > label {
    display: block;
    margin-bottom: 6px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--fcc-sub);
}
.fcc-hint { margin: 6px 0 0; font-size: 12px; line-height: 1.65; color: var(--fcc-mute); }
.fcc-quick-cta {
    width: 100%;
    margin-top: 4px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--fcc-mint-d), var(--fcc-ice));
    box-shadow: 0 8px 18px rgba(11, 114, 133, 0.3);
    transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}
.fcc-quick-cta:hover { filter: brightness(1.07); }
.fcc-quick-cta:active { transform: translateY(1px); }
.fcc-quick-cta:focus-visible { outline: none; box-shadow: var(--fcc-ring), 0 8px 18px rgba(11, 114, 133, 0.3); }
.fcc-quick-live {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px dashed var(--fcc-line);
    font-size: 12.5px;
    color: var(--fcc-sub);
}
.fcc-quick-live b {
    font-family: var(--fcc-num);
    font-size: 23px;
    font-weight: 800;
    color: var(--fcc-ice);
}

/* ============================ KPI 横带 ============================ */
.fcc-kpi {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 20px;
    background: var(--fcc-card);
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r);
    overflow: hidden;
    box-shadow: var(--fcc-shadow);
}
.fcc-kpi-item { padding: 14px 18px 15px; min-width: 0; border-left: 1px solid var(--fcc-line-2); }
.fcc-kpi-item:first-child { border-left: 0; }
.fcc-kpi-item > span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--fcc-mute);
}
.fcc-kpi-item > span::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--fcc-ice);
}
.fcc-kpi-item.is-mint > span::before { background: var(--fcc-mint); }
.fcc-kpi-item.is-green > span::before { background: var(--fcc-green); }
.fcc-kpi-item.is-red > span::before { background: var(--fcc-red); }
.fcc-kpi-item > b {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-top: 4px;
    font-family: var(--fcc-num);
    font-variant-numeric: tabular-nums;
    font-size: clamp(21px, 2.4vw, 27px);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--fcc-ink);
    line-height: 1.16;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fcc-kpi-item > em {
    display: block;
    margin-top: 2px;
    font-style: normal;
    font-size: 11.5px;
    color: var(--fcc-mute);
}
.fcc-kpi-item.is-mint > b { color: var(--fcc-mint-d); }
.fcc-kpi-item.is-green > b { color: var(--fcc-green); }

/* ============================ 布局 ============================ */
.fcc-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 374px;
    gap: 20px;
    align-items: start;
}
.fcc-col { min-width: 0; }
.fcc-sticky { position: sticky; top: 16px; }

/* ============================ 卡片 ============================ */
.fcc-card {
    background: var(--fcc-card);
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r);
    box-shadow: var(--fcc-shadow);
    overflow: hidden;
}
.fcc-card + .fcc-card { margin-top: 16px; }
.fcc-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-bottom: 1px solid var(--fcc-line);
    background: var(--fcc-card-2);
}
.fcc-card-head .no {
    flex: none;
    display: grid;
    place-items: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    border-radius: 5px;
    background: var(--fcc-ice);
    color: #fff;
    font-family: var(--fcc-num);
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
}
.fcc-card-head h2 { margin: 0; font-size: 15.5px; font-weight: 800; }
.fcc-card-head .tip { margin-left: auto; font-size: 12.5px; color: var(--fcc-mute); }
.fcc-card-body { padding: 17px 18px 19px; }

/* ============================ 表单 ============================ */
.fcc-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px 15px;
}
.fcc-field { display: block; min-width: 0; }
.fcc-field.is-full { grid-column: 1 / -1; }
.fcc-label {
    display: flex;
    align-items: baseline;
    gap: 7px;
    margin-bottom: 6px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--fcc-sub);
}
.fcc-label small { font-size: 11.5px; font-weight: 500; color: var(--fcc-mute); }
.fcc-input {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-sm);
    background: var(--fcc-card-2);
    color: var(--fcc-ink);
    font-size: 14.5px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.fcc-input:focus { border-color: var(--fcc-ice); background: var(--fcc-card); box-shadow: var(--fcc-ring); }
.fcc-input.is-bad { border-color: var(--fcc-red); }
.fcc-unit-wrap { position: relative; display: flex; align-items: center; }
.fcc-unit-wrap .fcc-input { padding-right: 38px; }
.fcc-unit { position: absolute; right: 11px; font-size: 12.5px; color: var(--fcc-mute); pointer-events: none; }
.fcc-textarea {
    width: 100%;
    min-height: 76px;
    padding: 10px 12px;
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-sm);
    background: var(--fcc-card-2);
    color: var(--fcc-ink);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.75;
    resize: vertical;
    outline: none;
}
.fcc-textarea:focus { border-color: var(--fcc-ice); background: var(--fcc-card); box-shadow: var(--fcc-ring); }
.fcc-counter { margin: 6px 0 0; font-size: 12px; color: var(--fcc-mute); text-align: right; }

.fcc-seg {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 3px;
    padding: 3px;
    border-radius: 8px;
    background: var(--fcc-card-2);
    border: 1px solid var(--fcc-line);
}
.fcc-seg button {
    padding: 8px 4px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 700;
    color: var(--fcc-sub);
    background: transparent;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
    white-space: nowrap;
}
.fcc-seg button:hover { color: var(--fcc-ink); }
.fcc-seg button.on {
    background: var(--fcc-ice);
    color: #fff;
    box-shadow: 0 2px 6px rgba(11, 114, 133, 0.26);
}
[data-theme="dark"] .fcc-seg button.on { background: var(--fcc-ice); color: #06222b; }
.fcc-seg button:focus-visible { outline: none; box-shadow: var(--fcc-ring); }

.fcc-switch { position: relative; display: inline-block; width: 40px; height: 22px; flex: none; }
.fcc-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.fcc-switch i {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--fcc-line);
    transition: background 0.18s ease;
}
.fcc-switch i::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    transition: transform 0.18s ease;
}
.fcc-switch input:checked + i { background: var(--fcc-ice); }
.fcc-switch input:checked + i::after { transform: translateX(18px); }
.fcc-switch input:focus-visible + i { box-shadow: var(--fcc-ring); }

.fcc-err {
    display: none;
    margin: 13px 0 0;
    padding: 10px 13px;
    border-radius: var(--fcc-r-sm);
    border: 1px solid var(--fcc-red-line);
    background: var(--fcc-red-l);
    color: var(--fcc-red);
    font-size: 13.5px;
    font-weight: 600;
}
.fcc-err.is-on { display: block; }

/* ============================ 冰箱门型示意图 ============================ */
.fcc-diagram {
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-md);
    background: var(--fcc-card-2);
    overflow: hidden;
}
.fcc-diagram svg { display: block; width: 100%; height: auto; color: var(--fcc-ink); }
.fcc-diagram .d-body { fill: #d3ecf5; stroke: var(--fcc-ice); stroke-width: 2; }
.fcc-diagram .d-door { fill: var(--fcc-ice-l); stroke: var(--fcc-ice); stroke-width: 1.5; }
.fcc-diagram .d-split { stroke: var(--fcc-ice-d); stroke-width: 1.5; }
.fcc-diagram .d-handle { stroke: var(--fcc-ice-d); stroke-width: 4; stroke-linecap: round; }
.fcc-diagram .d-zone { fill: rgba(18, 184, 134, 0.16); }
.fcc-diagram .d-mold { fill: var(--fcc-red); }
.fcc-diagram .d-drop { fill: var(--fcc-mint); }
.fcc-diagram .d-label { fill: var(--fcc-sub); font-size: 11px; font-weight: 700; }
.fcc-diagram .d-num { fill: var(--fcc-ice-d); font-size: 11px; font-weight: 800; font-family: var(--fcc-num); }
.fcc-diagram-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    padding: 10px 13px;
    border-top: 1px dashed var(--fcc-line);
    font-size: 12px;
    color: var(--fcc-sub);
}
.fcc-diagram-meta b { color: var(--fcc-ice-d); font-family: var(--fcc-num); }

/* ============================ 清洗项目清单 ============================ */
.fcc-items { display: grid; gap: 9px; }
.fcc-item {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
    padding: 12px 14px;
    border: 1px solid var(--fcc-line);
    border-left: 3px solid var(--fcc-ice);
    border-radius: var(--fcc-r-md);
    background: var(--fcc-card);
    transition: opacity 0.16s ease, background 0.16s ease;
}
.fcc-item.is-off { opacity: 0.46; background: var(--fcc-card-2); border-left-color: var(--fcc-line); }
.fcc-item.is-off .fcc-item-name { text-decoration: line-through; text-decoration-color: var(--fcc-mute); }
.fcc-item.is-clean { border-left-color: var(--fcc-mint); }
.fcc-item.is-extra { border-left-color: var(--fcc-red); }
.fcc-item-ico {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 7px;
    background: var(--fcc-ice-l);
    color: var(--fcc-ice);
}
.fcc-item.is-clean .fcc-item-ico { background: var(--fcc-mint-l); color: var(--fcc-mint-d); }
.fcc-item.is-extra .fcc-item-ico { background: var(--fcc-red-l); color: var(--fcc-red); }
.fcc-item-ico svg { width: 18px; height: 18px; }
.fcc-item-name { display: flex; align-items: center; gap: 7px; font-size: 14.5px; font-weight: 800; }
.fcc-item-desc { margin: 4px 0 0; font-size: 12.5px; line-height: 1.72; color: var(--fcc-mute); }
.fcc-item-ctl { display: flex; align-items: center; gap: 9px; margin-top: 8px; flex-wrap: wrap; }
.fcc-qty {
    width: 84px;
    padding: 6px 9px;
    border: 1px solid var(--fcc-line);
    border-radius: 5px;
    background: var(--fcc-card-2);
    color: var(--fcc-ink);
    font-family: var(--fcc-num);
    font-size: 13.5px;
    outline: none;
}
.fcc-qty:focus { border-color: var(--fcc-ice); box-shadow: var(--fcc-ring); }
.fcc-item-rate { font-size: 12px; color: var(--fcc-mute); }
.fcc-item-sum { text-align: right; min-width: 88px; padding-top: 1px; }
.fcc-item-sum b {
    display: block;
    font-family: var(--fcc-num);
    font-size: 16.5px;
    font-weight: 800;
    color: var(--fcc-ink);
}
.fcc-item-sum span { font-size: 11.5px; color: var(--fcc-mute); }

/* ============================ 收据式明细 ============================ */
.fcc-receipt {
    padding: 18px;
    border-radius: var(--fcc-r);
    color: #e9f6f9;
    background:
        radial-gradient(110% 100% at 100% 0%, rgba(18, 184, 134, 0.22), rgba(18, 184, 134, 0) 60%),
        linear-gradient(155deg, #0a3a47 0%, #0f6379 100%);
    box-shadow: var(--fcc-shadow-lg);
}
.fcc-receipt .lb { font-size: 12.5px; color: rgba(233, 246, 249, 0.85); }
.fcc-receipt .big {
    display: block;
    margin: 5px 0 2px;
    font-family: var(--fcc-num);
    font-size: clamp(28px, 3.8vw, 37px);
    font-weight: 800;
    line-height: 1.14;
    color: #fff;
    letter-spacing: -0.02em;
}
.fcc-receipt .rng { font-size: 12.5px; color: rgba(233, 246, 249, 0.8); }
.fcc-receipt-rows { margin-top: 14px; border-top: 1px dashed rgba(255, 255, 255, 0.28); }
.fcc-rrow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: baseline;
    padding: 9px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
}
.fcc-rrow:last-child { border-bottom: 0; }
.fcc-rrow > span { font-size: 13px; font-weight: 600; color: rgba(233, 246, 249, 0.94); }
.fcc-rrow > span em { display: block; font-style: normal; font-weight: 500; font-size: 11px; color: rgba(233, 246, 249, 0.66); }
.fcc-rrow > b { font-family: var(--fcc-num); font-size: 14.5px; font-weight: 700; white-space: nowrap; }
.fcc-rrow.is-discount > b { color: #6fe9c6; }
.fcc-rrow.is-total { border-top: 1px solid rgba(255, 255, 255, 0.3); border-bottom: 0; padding-top: 11px; }
.fcc-rrow.is-total > span { font-size: 14px; font-weight: 800; }
.fcc-rrow.is-total > b { font-size: 20px; font-weight: 800; color: #6fe9c6; }

.fcc-bar-wrap { margin-top: 14px; }
.fcc-bar {
    display: flex;
    height: 10px;
    border-radius: 3px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.18);
}
.fcc-bar i { display: block; height: 100%; transition: width 0.3s ease; }
.fcc-bar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 12px;
    margin-top: 8px;
    font-size: 11.5px;
    color: rgba(233, 246, 249, 0.82);
}
.fcc-bar-legend span { display: inline-flex; align-items: center; gap: 5px; }
.fcc-bar-legend i { width: 8px; height: 8px; border-radius: 2px; }

/* ============================ 周期与避坑 ============================ */
.fcc-cycle {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: var(--fcc-r-md);
    background: var(--fcc-mint-l);
    border: 1px solid var(--fcc-mint-line);
    color: var(--fcc-mint-d);
    font-size: 13px;
    line-height: 1.8;
}
.fcc-cycle b { color: var(--fcc-ice-d); }
.fcc-warn-list { margin: 0; padding: 0; list-style: none; }
.fcc-warn-list li {
    position: relative;
    padding: 9px 0 9px 22px;
    border-bottom: 1px dashed var(--fcc-line);
    font-size: 13px;
    line-height: 1.78;
    color: var(--fcc-sub);
}
.fcc-warn-list li:last-child { border-bottom: 0; }
.fcc-warn-list li::before {
    content: "!";
    position: absolute;
    left: 0;
    top: 9px;
    width: 15px;
    height: 15px;
    border-radius: 3px;
    background: var(--fcc-mint-l);
    color: var(--fcc-mint-d);
    font-size: 10.5px;
    font-weight: 800;
    line-height: 15px;
    text-align: center;
}
.fcc-warn-list li b { color: var(--fcc-ink); font-weight: 700; }

/* ============================ 批量 ============================ */
.fcc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.fcc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 520px; }
.fcc-table th, .fcc-table td { padding: 9px 8px; text-align: left; border-bottom: 1px solid var(--fcc-line-2); }
.fcc-table th { font-size: 12px; font-weight: 700; color: var(--fcc-mute); white-space: nowrap; }
.fcc-table tfoot th { border-bottom: 0; border-top: 1px solid var(--fcc-line); color: var(--fcc-sub); }
.fcc-table input, .fcc-table select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--fcc-line);
    border-radius: 5px;
    background: var(--fcc-card-2);
    color: var(--fcc-ink);
    font-family: inherit;
    font-size: 13px;
    outline: none;
}
.fcc-table input:focus, .fcc-table select:focus { border-color: var(--fcc-ice); box-shadow: var(--fcc-ring); }
.fcc-table input[type="text"] { min-width: 80px; }
.fcc-table select { min-width: 88px; }
.fcc-table .num { text-align: right; font-family: var(--fcc-num); font-weight: 700; white-space: nowrap; }
.fcc-table .fcc-del {
    width: 26px;
    height: 26px;
    border-radius: 5px;
    color: var(--fcc-mute);
    background: var(--fcc-card-2);
    border: 1px solid var(--fcc-line);
    font-size: 12.5px;
    line-height: 1;
}
.fcc-table .fcc-del:hover { color: var(--fcc-red); border-color: var(--fcc-red); }
.fcc-row-err { display: none; font-size: 11.5px; color: var(--fcc-red); }

/* ============================ 按钮 ============================ */
.fcc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px solid var(--fcc-line-2);
}
.fcc-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--fcc-line);
    background: var(--fcc-card-2);
    color: var(--fcc-sub);
    font-size: 13px;
    font-weight: 700;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.fcc-btn:hover { border-color: var(--fcc-ice-line); color: var(--fcc-ice); background: var(--fcc-ice-l); }
.fcc-btn:focus-visible { outline: none; box-shadow: var(--fcc-ring); }
.fcc-btn.is-primary {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--fcc-mint-d), var(--fcc-ice));
}
.fcc-btn.is-primary:hover { color: #fff; filter: brightness(1.07); }
.fcc-btn.is-mint { color: var(--fcc-mint-d); border-color: var(--fcc-mint-line); background: var(--fcc-mint-l); }
.fcc-btn.is-mint:hover { color: var(--fcc-mint-d); background: var(--fcc-mint-l); border-color: var(--fcc-mint); }

/* ============================ 示例场景 ============================ */
.fcc-scenes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.fcc-scene {
    padding: 12px 13px;
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-md);
    background: var(--fcc-card-2);
    text-align: left;
    transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}
.fcc-scene:hover { border-color: var(--fcc-ice-line); transform: translateY(-2px); box-shadow: var(--fcc-shadow); }
.fcc-scene:focus-visible { outline: none; box-shadow: var(--fcc-ring); }
.fcc-scene b { display: block; font-size: 13.5px; font-weight: 800; margin-bottom: 3px; }
.fcc-scene span { display: block; font-size: 12px; line-height: 1.68; color: var(--fcc-mute); }

/* ============================ 文本 / FAQ ============================ */
.fcc-prose h3 { margin: 0 0 11px; font-size: 15.5px; font-weight: 800; }
.fcc-prose ol, .fcc-prose ul { margin: 0; padding-left: 20px; }
.fcc-prose li { margin-bottom: 8px; font-size: 13.5px; line-height: 1.9; color: var(--fcc-sub); }
.fcc-prose li:last-child { margin-bottom: 0; }
.fcc-prose b { color: var(--fcc-ink); font-weight: 700; }
.fcc-faq details {
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-md);
    padding: 0 14px;
    margin-bottom: 8px;
    background: var(--fcc-card-2);
}
.fcc-faq summary {
    padding: 12px 0;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    color: var(--fcc-ink);
}
.fcc-faq summary::-webkit-details-marker { display: none; }
.fcc-faq summary::after { content: "+"; float: right; color: var(--fcc-ice); font-weight: 700; }
.fcc-faq details[open] summary::after { content: "\2212"; }
.fcc-faq summary:focus-visible { outline: none; color: var(--fcc-ice); }
.fcc-faq .a { padding: 0 0 13px; font-size: 13px; line-height: 1.92; color: var(--fcc-sub); }
.fcc-faq .a b { color: var(--fcc-ink); }

.fcc-rel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.fcc-rel a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 11px 13px;
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-md);
    background: var(--fcc-card-2);
    color: var(--fcc-sub);
    font-size: 13px;
    font-weight: 600;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.fcc-rel a:hover { border-color: var(--fcc-ice-line); color: var(--fcc-ice); }
.fcc-rel .ico { font-size: 16px; }

.fcc-foot {
    margin: 20px 0 8px;
    padding: 14px 16px;
    border-radius: var(--fcc-r-md);
    border: 1px dashed var(--fcc-ice-line);
    background: var(--fcc-ice-l);
    font-size: 12.5px;
    line-height: 1.88;
    color: var(--fcc-ice-d);
}
.fcc-foot b { color: var(--fcc-ice-d); }

/* ============================ AI ============================ */
.fcc-ai {
    margin-top: 22px;
    padding: 20px 22px;
    border: 1px solid var(--fcc-mint-line);
    border-radius: var(--fcc-r);
    background:
        radial-gradient(90% 120% at 100% 0%, var(--fcc-mint-l), transparent 70%),
        var(--fcc-card);
    box-shadow: var(--fcc-shadow);
}
.fcc-ai h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; }
.fcc-ai > p { margin: 0 0 13px; font-size: 13.5px; line-height: 1.9; color: var(--fcc-sub); max-width: 760px; }
.fcc-ai > p b { color: var(--fcc-ink); }
.fcc-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 11px 20px;
    border: 0;
    border-radius: 8px;
    color: #fff;
    font-size: 14.5px;
    font-weight: 800;
    font-family: inherit;
    background: linear-gradient(135deg, var(--fcc-ice), var(--fcc-mint-d));
    box-shadow: 0 8px 18px rgba(11, 114, 133, 0.3);
    transition: transform 0.16s ease, filter 0.16s ease;
}
.fcc-ai-btn:hover { filter: brightness(1.07); }
.fcc-ai-btn:active { transform: translateY(1px); }
.fcc-ai-btn:disabled { opacity: 0.62; cursor: not-allowed; filter: none; }
.fcc-ai-btn:focus-visible { outline: none; box-shadow: var(--fcc-ring); }
.fcc-ai-status { margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--fcc-mute); min-height: 18px; }
.fcc-ai-status.is-ok { color: var(--fcc-green); }
.fcc-ai-status.is-err { color: var(--fcc-red); }
.fcc-ai-box {
    margin-top: 12px;
    border: 1px solid var(--fcc-line);
    border-radius: var(--fcc-r-md);
    background: var(--fcc-card-2);
    overflow: hidden;
}
.fcc-ai-box .ac-ai-head {
    padding: 10px 14px;
    border-bottom: 1px solid var(--fcc-line);
    font-size: 13.5px;
    font-weight: 800;
    color: var(--fcc-ice-d);
    background: var(--fcc-ice-l);
}
.fcc-ai-box .ac-ai-body { padding: 13px 15px; font-size: 13.5px; line-height: 1.95; color: var(--fcc-sub); }
.fcc-ai-box .ac-ai-disclaim {
    padding: 9px 15px;
    border-top: 1px dashed var(--fcc-line);
    font-size: 12px;
    color: var(--fcc-mute);
}

/* ============================ Toast ============================ */
.fcc-toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translate(-50%, 14px);
    z-index: 99999;
    max-width: 88vw;
    padding: 10px 18px;
    border-radius: 8px;
    background: rgba(22, 36, 43, 0.95);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    line-height: 1.5;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.26);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.fcc-toast.show { opacity: 1; transform: translate(-50%, 0); }
.fcc-toast.ok { background: rgba(20, 108, 78, 0.96); }
.fcc-toast.err { background: rgba(150, 52, 38, 0.96); }

/* ============================ 打印区 ============================ */
.fcc-printzone { display: none; }

@media print {
    @page { size: A4 portrait; margin: 12mm; }
    .nav-header, .footer, .fcc-toast, .back-to-top { display: none !important; }
    body > *:not(.fcc-page) { display: none !important; }
    .fcc-page > .container > *:not(#fccPrintZone) { display: none !important; }
    body { background: #fff !important; }
    .fcc-page { padding: 0; }
    .fcc-printzone {
        display: block !important;
        padding: 0;
        color: #000;
        font-family: var(--fcc-font);
    }
    .fcc-pz-head { border-bottom: 2px solid #000; padding-bottom: 8px; margin-bottom: 12px; }
    .fcc-pz-head h2 { margin: 0 0 4px; font-size: 19px; }
    .fcc-pz-head .meta { font-size: 12px; color: #444; }
    .fcc-pz-title { margin: 14px 0 6px; font-size: 14px; font-weight: 800; }
    .fcc-pz-table { width: 100%; border-collapse: collapse; font-size: 12px; }
    .fcc-pz-table th, .fcc-pz-table td { border: 1px solid #999; padding: 5px 7px; text-align: left; }
    .fcc-pz-table th { background: #f0f0f0; }
    .fcc-pz-table .num { text-align: right; font-family: var(--fcc-num); }
    .fcc-pz-list { margin: 6px 0 0; padding-left: 20px; font-size: 12px; line-height: 1.85; }
    .fcc-pz-sign { display: flex; gap: 26px; margin-top: 22px; font-size: 12px; }
    .fcc-pz-note { margin-top: 16px; font-size: 11px; color: #444; line-height: 1.8; }
}

/* ============================ 响应式 ============================ */
@media (max-width: 1080px) {
    .fcc-hero { grid-template-columns: minmax(0, 1fr); }
    .fcc-main { grid-template-columns: minmax(0, 1fr); }
    .fcc-sticky { position: static; }
}
@media (max-width: 760px) {
    .fcc-kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fcc-kpi-item:nth-child(3) { border-left: 0; }
    .fcc-kpi-item:nth-child(n+3) { border-top: 1px solid var(--fcc-line-2); }
    .fcc-scenes { grid-template-columns: minmax(0, 1fr); }
    .fcc-rel { grid-template-columns: minmax(0, 1fr); }
    .fcc-fields { grid-template-columns: minmax(0, 1fr); }
    .fcc-field.is-full { grid-column: span 1; }
    .fcc-hero { padding: 22px 18px; }
}