/* ==========================================================================
   窗帘安装费计算器 /tool/curtain-install-fee-calc
   独立设计「软装样卡」：藕紫 + 琥珀、米杏底色、柔和圆角，
   以「窗位清单 + 房间平面预览」为核心交互，突出轨道米数与配件用量
   深浅主题由导航栏主题按钮（data-theme）驱动
   ========================================================================== */

.cif-page {
    --cif-plum: #8a5b8f;
    --cif-plum-d: #6d4472;
    --cif-plum-l: #f5edf5;
    --cif-plum-line: rgba(138, 91, 143, 0.24);
    --cif-amber: #c98a3c;
    --cif-amber-d: #a76f26;
    --cif-amber-l: #fbf1e2;
    --cif-amber-line: rgba(201, 138, 60, 0.26);
    --cif-teal: #2a8c82;
    --cif-teal-l: #e6f3f1;
    --cif-red: #bf4436;
    --cif-red-l: #fceceb;
    --cif-red-line: rgba(191, 68, 54, 0.24);
    --cif-bg: #f7f1ea;
    --cif-card: #ffffff;
    --cif-card-2: #fdfaf6;
    --cif-ink: #2f262c;
    --cif-sub: #5d5057;
    --cif-mute: #948891;
    --cif-line: #e8ded4;
    --cif-line-2: #f2ebe2;
    --cif-r: 18px;
    --cif-r-md: 13px;
    --cif-r-sm: 9px;
    --cif-shadow: 0 6px 20px rgba(90, 65, 75, 0.07);
    --cif-shadow-lg: 0 20px 44px rgba(80, 55, 68, 0.16);
    --cif-ring: 0 0 0 3px rgba(138, 91, 143, 0.2);
    --cif-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --cif-num: "DIN Alternate", "Bahnschrift", ui-monospace, "SFMono-Regular", Consolas, monospace;
    padding-bottom: 10px;
    color: var(--cif-ink);
    font-family: var(--cif-font);
    line-height: 1.78;
}

[data-theme="dark"] .cif-page {
    --cif-plum: #c79aca;
    --cif-plum-d: #dcb3df;
    --cif-plum-l: rgba(199, 154, 202, 0.13);
    --cif-plum-line: rgba(199, 154, 202, 0.3);
    --cif-amber: #e0a962;
    --cif-amber-d: #eec28a;
    --cif-amber-l: rgba(224, 169, 98, 0.13);
    --cif-amber-line: rgba(224, 169, 98, 0.3);
    --cif-teal: #4fbdb1;
    --cif-teal-l: rgba(79, 189, 177, 0.13);
    --cif-red: #ef8378;
    --cif-red-l: rgba(239, 131, 120, 0.13);
    --cif-red-line: rgba(239, 131, 120, 0.3);
    --cif-bg: #151115;
    --cif-card: #1e1a1d;
    --cif-card-2: #241f23;
    --cif-ink: #f1eaed;
    --cif-sub: #c9bcc2;
    --cif-mute: #8d7f86;
    --cif-line: #332c31;
    --cif-line-2: #2a2428;
    --cif-shadow: 0 8px 22px rgba(0, 0, 0, 0.42);
    --cif-shadow-lg: 0 22px 48px rgba(0, 0, 0, 0.56);
    --cif-ring: 0 0 0 3px rgba(199, 154, 202, 0.25);
}

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

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

/* ============================ 首屏 ============================ */
.cif-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 376px;
    gap: 32px;
    align-items: center;
    padding: 34px 34px;
    margin-bottom: 22px;
    border-radius: 24px;
    overflow: hidden;
    color: #fbf3f8;
    background:
        radial-gradient(110% 130% at 86% 0%, rgba(201, 138, 60, 0.3) 0%, rgba(201, 138, 60, 0) 56%),
        linear-gradient(140deg, #4b2a50 0%, #7a4f7f 52%, #92638f 100%);
    box-shadow: var(--cif-shadow-lg);
}
.cif-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 3px, transparent 3px 24px),
        linear-gradient(200deg, rgba(255, 255, 255, 0.08), transparent 45%);
    mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.15));
    -webkit-mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.15));
    pointer-events: none;
}
.cif-hero > * { position: relative; z-index: 1; }

.cif-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    font-size: 12px;
    font-weight: 700;
    color: #f4dff0;
}
.cif-hero h1 {
    margin: 15px 0 12px;
    font-size: clamp(25px, 3.3vw, 38px);
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #fff;
}
.cif-hero h1 b { font-weight: 800; color: #ffd9a8; }
.cif-lead {
    margin: 0 0 16px;
    max-width: 640px;
    font-size: 15px;
    line-height: 1.95;
    color: rgba(251, 243, 248, 0.9);
}
.cif-lead b { color: #fff; font-weight: 700; }
.cif-points {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.cif-points li {
    padding: 6px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 12.5px;
    color: rgba(251, 243, 248, 0.94);
}
.cif-points li b { color: #ffd9a8; font-weight: 700; }

.cif-quick {
    padding: 22px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.97);
    color: var(--cif-ink);
    box-shadow: 0 18px 40px rgba(45, 25, 50, 0.34);
}
[data-theme="dark"] .cif-quick { background: rgba(30, 26, 29, 0.96); }
.cif-quick-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 13px;
}
.cif-quick-head b { font-size: 16px; font-weight: 800; }
.cif-quick-head span { font-size: 12px; color: var(--cif-mute); }
.cif-quick-row { margin-bottom: 13px; }
.cif-quick-row > label {
    display: block;
    margin-bottom: 7px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--cif-sub);
}
.cif-hint { margin: 7px 0 0; font-size: 12px; line-height: 1.68; color: var(--cif-mute); }
.cif-quick-cta {
    width: 100%;
    margin-top: 4px;
    padding: 13px 16px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--cif-plum-d), var(--cif-plum));
    box-shadow: 0 10px 22px rgba(138, 91, 143, 0.28);
    transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}
.cif-quick-cta:hover { filter: brightness(1.07); }
.cif-quick-cta:active { transform: translateY(1px); }
.cif-quick-cta:focus-visible { outline: none; box-shadow: var(--cif-ring), 0 10px 22px rgba(138, 91, 143, 0.28); }
.cif-quick-live {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-top: 13px;
    padding-top: 12px;
    border-top: 1px dashed var(--cif-line);
    font-size: 12.5px;
    color: var(--cif-sub);
}
.cif-quick-live b {
    font-family: var(--cif-num);
    font-size: 25px;
    font-weight: 800;
    color: var(--cif-amber-d);
}

/* ============================ 主体布局 ============================ */
.cif-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 382px;
    gap: 22px;
    align-items: start;
}
.cif-col { min-width: 0; }
.cif-sticky { position: sticky; top: 16px; }

/* ============================ 卡片 ============================ */
.cif-card {
    background: var(--cif-card);
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r);
    box-shadow: var(--cif-shadow);
    overflow: hidden;
}
.cif-card + .cif-card { margin-top: 18px; }
.cif-card-head {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--cif-line-2);
}
.cif-card-head .no {
    flex: none;
    display: grid;
    place-items: center;
    min-width: 30px;
    height: 30px;
    padding: 0 10px;
    border-radius: 10px;
    background: var(--cif-plum-l);
    color: var(--cif-plum-d);
    font-family: var(--cif-num);
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
}
.cif-card-head h2 { margin: 0; font-size: 16.5px; font-weight: 800; }
.cif-card-head .tip { margin-left: auto; font-size: 12.5px; color: var(--cif-mute); }
.cif-card-body { padding: 20px 22px 22px; }

/* ============================ 表单 ============================ */
.cif-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px 18px;
}
.cif-field { display: block; min-width: 0; }
.cif-field.is-full { grid-column: 1 / -1; }
.cif-label {
    display: flex;
    align-items: baseline;
    gap: 7px;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 700;
    color: var(--cif-sub);
}
.cif-label small { font-size: 11.5px; font-weight: 500; color: var(--cif-mute); }
.cif-input, .cif-select {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-sm);
    background: var(--cif-card-2);
    color: var(--cif-ink);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.cif-input:focus, .cif-select:focus {
    border-color: var(--cif-plum);
    background: var(--cif-card);
    box-shadow: var(--cif-ring);
}
.cif-input.is-bad { border-color: var(--cif-red); }
.cif-select {
    appearance: none;
    cursor: pointer;
    padding-right: 36px;
    background-image: linear-gradient(45deg, transparent 50%, var(--cif-mute) 50%), linear-gradient(135deg, var(--cif-mute) 50%, transparent 50%);
    background-position: calc(100% - 18px) 19px, calc(100% - 13px) 19px;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}
.cif-unit-wrap { position: relative; display: flex; align-items: center; }
.cif-unit-wrap .cif-input { padding-right: 46px; }
.cif-unit {
    position: absolute;
    right: 13px;
    font-size: 13px;
    color: var(--cif-mute);
    pointer-events: none;
}
.cif-textarea {
    width: 100%;
    min-height: 82px;
    padding: 12px 14px;
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-sm);
    background: var(--cif-card-2);
    color: var(--cif-ink);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.8;
    resize: vertical;
    outline: none;
}
.cif-textarea:focus { border-color: var(--cif-plum); background: var(--cif-card); box-shadow: var(--cif-ring); }
.cif-counter { margin: 7px 0 0; font-size: 12px; color: var(--cif-mute); text-align: right; }

.cif-seg {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 5px;
    padding: 5px;
    border-radius: 12px;
    background: var(--cif-card-2);
    border: 1px solid var(--cif-line);
}
.cif-seg button {
    padding: 10px 6px;
    border-radius: 9px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--cif-sub);
    background: transparent;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
    white-space: nowrap;
}
.cif-seg button:hover { color: var(--cif-ink); }
.cif-seg button.on {
    background: var(--cif-plum);
    color: #fff;
    box-shadow: 0 4px 12px rgba(138, 91, 143, 0.26);
}
[data-theme="dark"] .cif-seg button.on { background: var(--cif-plum); color: #22131f; }
.cif-seg button:focus-visible { outline: none; box-shadow: var(--cif-ring); }
.cif-seg small { display: block; font-size: 11px; font-weight: 500; opacity: 0.8; margin-top: 1px; }

.cif-switch { position: relative; display: inline-block; width: 46px; height: 26px; flex: none; }
.cif-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.cif-switch i {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--cif-line);
    transition: background 0.18s ease;
}
.cif-switch i::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.22);
    transition: transform 0.18s ease;
}
.cif-switch input:checked + i { background: var(--cif-plum); }
.cif-switch input:checked + i::after { transform: translateX(20px); }
.cif-switch input:focus-visible + i { box-shadow: var(--cif-ring); }

.cif-err {
    display: none;
    margin: 15px 0 0;
    padding: 11px 15px;
    border-radius: var(--cif-r-sm);
    border: 1px solid var(--cif-red-line);
    background: var(--cif-red-l);
    color: var(--cif-red);
    font-size: 13.5px;
    font-weight: 600;
}
.cif-err.is-on { display: block; }

/* ============================ 窗位清单 ============================ */
.cif-wins { display: grid; gap: 9px; }
.cif-win {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.8fr)) auto;
    gap: 9px;
    align-items: center;
    padding: 11px 13px;
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-md);
    background: var(--cif-card-2);
}
.cif-win input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--cif-line);
    border-radius: 8px;
    background: var(--cif-card);
    color: var(--cif-ink);
    font-family: inherit;
    font-size: 13.5px;
    outline: none;
}
.cif-win input:focus { border-color: var(--cif-plum); box-shadow: var(--cif-ring); }
.cif-win input[type="number"] { font-family: var(--cif-num); }
.cif-win-cell { display: flex; align-items: center; gap: 5px; min-width: 0; }
.cif-win-cell input { flex: 1 1 auto; min-width: 0; width: auto; }
.cif-win .unit {
    display: inline-block;
    margin-left: 4px;
    font-size: 11.5px;
    color: var(--cif-mute);
    white-space: nowrap;
}
.cif-win-del {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    color: var(--cif-mute);
    background: var(--cif-card);
    border: 1px solid var(--cif-line);
    font-size: 13px;
    line-height: 1;
}
.cif-win-del:hover { color: var(--cif-red); border-color: var(--cif-red); }
.cif-win.is-bad input { border-color: var(--cif-red); }

/* ============================ 平面预览 ============================ */
.cif-plan {
    padding: 16px;
    border-radius: var(--cif-r-md);
    background: linear-gradient(180deg, var(--cif-card-2), var(--cif-card));
    border: 1px solid var(--cif-line);
}
.cif-plan svg { display: block; width: 100%; height: auto; }
.cif-plan .room{fill:#efe4d8}
.cif-plan .wall{fill:#d8c7b6}
.cif-plan .win{fill:#bcd6ea}
.cif-plan .rail{stroke:#8a5b8f;stroke-width:3;stroke-dasharray:7 5}
.cif-plan .ring{fill:#c98a3c}
.cif-plan text{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-size:12px;fill:#5d5057}
.cif-plan .t-label{font-size:11.5px;fill:#948891}
.cif-plan .t-num{font-size:14px;font-weight:700;fill:#6d4472}
[data-theme="dark"] .cif-plan .room{fill:#241f23}
[data-theme="dark"] .cif-plan .wall{fill:#3a3238}
[data-theme="dark"] .cif-plan .win{fill:#2f4a5e}
[data-theme="dark"] .cif-plan .ring{fill:#e0a962}
[data-theme="dark"] .cif-plan text{fill:#c9bcc2}
[data-theme="dark"] .cif-plan .t-label{fill:#8d7f86}
[data-theme="dark"] .cif-plan .t-num{fill:#dcb3df}

.cif-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 13px;
}
.cif-stat {
    padding: 10px 12px;
    border-radius: var(--cif-r-sm);
    background: var(--cif-plum-l);
    border: 1px solid var(--cif-plum-line);
    text-align: center;
}
.cif-stat span { display: block; font-size: 11.5px; color: var(--cif-sub); }
.cif-stat b {
    display: block;
    margin-top: 2px;
    font-family: var(--cif-num);
    font-size: 17px;
    font-weight: 800;
    color: var(--cif-plum-d);
}
.cif-stat.is-amber { background: var(--cif-amber-l); border-color: var(--cif-amber-line); }
.cif-stat.is-amber b { color: var(--cif-amber-d); }

/* ============================ 明细 ============================ */
.cif-list { margin-top: 4px; }
.cif-list-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: baseline;
    padding: 11px 0;
    border-bottom: 1px solid var(--cif-line-2);
}
.cif-list-row:last-child { border-bottom: 0; }
.cif-list-name { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700; }
.cif-list-name i { width: 9px; height: 9px; border-radius: 3px; flex: none; }
.cif-list-name em { font-style: normal; font-weight: 500; font-size: 11.5px; color: var(--cif-mute); }
.cif-list-amt { font-family: var(--cif-num); font-size: 14.5px; font-weight: 700; white-space: nowrap; }
.cif-list-row.is-total { border-top: 1px dashed var(--cif-line); border-bottom: 0; padding-top: 13px; }
.cif-list-row.is-total .cif-list-name { font-size: 14px; }
.cif-list-row.is-total .cif-list-amt { font-size: 20px; font-weight: 800; color: var(--cif-plum-d); }

/* ============================ 收费区间 ============================ */
.cif-range-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 9px;
    align-items: baseline;
    padding: 9px 0;
    border-bottom: 1px dashed var(--cif-line);
}
.cif-range-row:last-child { border-bottom: 0; }
.cif-range-tag {
    display: inline-block;
    flex: none;
    padding: 2px 9px;
    border-radius: 8px;
    font-size: 11.5px;
    font-weight: 800;
    line-height: 1.7;
    color: var(--cif-plum-d);
    background: var(--cif-plum-l);
    border: 1px solid var(--cif-plum-line);
}
.cif-range-row.is-mid .cif-range-tag {
    color: var(--cif-amber-d);
    background: var(--cif-amber-l);
    border-color: var(--cif-amber-line);
}
.cif-range-desc { font-size: 12px; line-height: 1.7; color: var(--cif-mute); }
.cif-range-desc b { color: var(--cif-sub); }
.cif-range-amt {
    font-family: var(--cif-num);
    font-size: 14px;
    font-weight: 800;
    color: var(--cif-ink);
    white-space: nowrap;
}

/* ============================ 提醒清单 ============================ */
.cif-tips { margin: 0; padding: 0; list-style: none; }
.cif-tips li {
    position: relative;
    padding: 10px 0 10px 26px;
    border-bottom: 1px dashed var(--cif-line);
    font-size: 13px;
    line-height: 1.8;
    color: var(--cif-sub);
}
.cif-tips li:last-child { border-bottom: 0; }
.cif-tips li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 16px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cif-plum);
}
.cif-tips li.is-warn::before { background: var(--cif-amber); }
.cif-tips li b { color: var(--cif-ink); font-weight: 700; }

/* ============================ 批量 ============================ */
.cif-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cif-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 620px; }
.cif-table th, .cif-table td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--cif-line-2); }
.cif-table th { font-size: 12px; font-weight: 700; color: var(--cif-mute); white-space: nowrap; }
.cif-table tfoot th { border-bottom: 0; border-top: 1px solid var(--cif-line); color: var(--cif-sub); }
.cif-table input, .cif-table select {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--cif-line);
    border-radius: 8px;
    background: var(--cif-card-2);
    color: var(--cif-ink);
    font-family: inherit;
    font-size: 13px;
    outline: none;
}
.cif-table input:focus, .cif-table select:focus { border-color: var(--cif-plum); box-shadow: var(--cif-ring); }
.cif-table input[type="text"] { min-width: 92px; }
.cif-table input[type="number"] { width: 76px; font-family: var(--cif-num); }
.cif-table select { min-width: 96px; }
.cif-table .num { text-align: right; font-family: var(--cif-num); font-weight: 700; white-space: nowrap; }
.cif-table tr.is-bad input, .cif-table tr.is-bad select { border-color: var(--cif-red); }
.cif-table .cif-del {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    color: var(--cif-mute);
    background: var(--cif-card-2);
    border: 1px solid var(--cif-line);
    font-size: 13px;
    line-height: 1;
}
.cif-table .cif-del:hover { color: var(--cif-red); border-color: var(--cif-red); }
.cif-row-err { display: none; font-size: 11.5px; color: var(--cif-red); }
.cif-table tr.is-bad .cif-row-err { display: block; }

/* ============================ 按钮 ============================ */
.cif-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--cif-line-2);
}
.cif-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 17px;
    border-radius: 11px;
    border: 1px solid var(--cif-line);
    background: var(--cif-card-2);
    color: var(--cif-sub);
    font-size: 13.5px;
    font-weight: 700;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.cif-btn:hover { border-color: var(--cif-plum-line); color: var(--cif-plum-d); background: var(--cif-plum-l); }
.cif-btn:focus-visible { outline: none; box-shadow: var(--cif-ring); }
.cif-btn.is-primary {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--cif-plum-d), var(--cif-plum));
    box-shadow: 0 8px 18px rgba(138, 91, 143, 0.26);
}
.cif-btn.is-primary:hover { color: #fff; filter: brightness(1.06); }
.cif-btn.is-amber { color: var(--cif-amber-d); border-color: var(--cif-amber-line); background: var(--cif-amber-l); }
.cif-btn.is-amber:hover { color: var(--cif-amber-d); background: var(--cif-amber-l); border-color: var(--cif-amber); }

/* ============================ 示例 ============================ */
.cif-scenes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
.cif-scene {
    padding: 14px 15px;
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-md);
    background: var(--cif-card-2);
    text-align: left;
    transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}
.cif-scene:hover { border-color: var(--cif-plum-line); transform: translateY(-2px); box-shadow: var(--cif-shadow); }
.cif-scene:focus-visible { outline: none; box-shadow: var(--cif-ring); }
.cif-scene b { display: block; font-size: 13.5px; font-weight: 800; margin-bottom: 4px; }
.cif-scene span { display: block; font-size: 12px; line-height: 1.72; color: var(--cif-mute); }

/* ============================ AI ============================ */
.cif-ai {
    padding: 22px 24px;
    border-radius: var(--cif-r);
    border: 1px solid var(--cif-plum-line);
    background: linear-gradient(140deg, var(--cif-plum-l), var(--cif-card) 62%);
}
.cif-ai h3 { margin: 0 0 8px; font-size: 16.5px; font-weight: 800; }
.cif-ai p { margin: 0 0 14px; font-size: 13.5px; line-height: 1.9; color: var(--cif-sub); }
.cif-ai p b { color: var(--cif-ink); }
.cif-ai-box {
    margin-top: 14px;
    padding: 16px 18px;
    border-radius: var(--cif-r-md);
    background: var(--cif-card);
    border: 1px solid var(--cif-line);
    font-size: 14px;
    line-height: 1.95;
    color: var(--cif-ink);
}
.cif-ai-box p { margin: 0 0 9px; color: var(--cif-ink); font-size: 14px; }
.cif-ai-box p:last-child { margin-bottom: 0; }
.cif-ai-box .ld { color: var(--cif-mute); }
.cif-ai-status { margin-top: 9px; font-size: 12.5px; font-weight: 600; color: var(--cif-mute); }
.cif-ai-status.is-ok { color: var(--cif-teal); }
.cif-ai-status.is-err { color: var(--cif-red); }
.cif-ai-box .ac-ai-head { margin-bottom: 9px; font-size: 14.5px; font-weight: 800; color: var(--cif-plum-d); }
.cif-ai-box .ac-ai-body { font-size: 14px; line-height: 1.95; color: var(--cif-ink); }
.cif-ai-box .ac-ai-disclaim {
    margin-top: 11px;
    padding-top: 10px;
    border-top: 1px dashed var(--cif-line);
    font-size: 12px;
    line-height: 1.8;
    color: var(--cif-mute);
}

/* ============================ 文本 / FAQ ============================ */
.cif-prose ol, .cif-prose ul { margin: 0; padding-left: 21px; }
.cif-prose li { margin-bottom: 9px; font-size: 14px; line-height: 1.92; color: var(--cif-sub); }
.cif-prose li:last-child { margin-bottom: 0; }
.cif-prose b { color: var(--cif-ink); font-weight: 700; }
.cif-faq details {
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-md);
    padding: 0 16px;
    margin-bottom: 9px;
    background: var(--cif-card-2);
}
.cif-faq summary {
    padding: 14px 0;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    color: var(--cif-ink);
}
.cif-faq summary::-webkit-details-marker { display: none; }
.cif-faq summary::after { content: "＋"; float: right; color: var(--cif-plum-d); font-weight: 700; }
.cif-faq details[open] summary::after { content: "－"; }
.cif-faq summary:focus-visible { outline: none; color: var(--cif-plum-d); }
.cif-faq .a { padding: 0 0 15px; font-size: 13.5px; line-height: 1.95; color: var(--cif-sub); }
.cif-faq .a b { color: var(--cif-ink); }

.cif-rel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.cif-rel a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 15px;
    border: 1px solid var(--cif-line);
    border-radius: var(--cif-r-md);
    background: var(--cif-card-2);
    color: var(--cif-sub);
    font-size: 13.5px;
    font-weight: 600;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.cif-rel a:hover { border-color: var(--cif-plum-line); color: var(--cif-plum-d); }
.cif-rel .ico { font-size: 17px; }

.cif-foot {
    margin: 22px 0 8px;
    padding: 16px 19px;
    border-radius: var(--cif-r-md);
    border: 1px dashed var(--cif-amber-line);
    background: var(--cif-amber-l);
    font-size: 12.5px;
    line-height: 1.9;
    color: var(--cif-amber-d);
}
.cif-foot b { color: var(--cif-amber-d); }

/* ============================ Toast ============================ */
.cif-toast {
    position: fixed;
    left: 50%;
    bottom: 34px;
    transform: translate(-50%, 14px);
    z-index: 99999;
    max-width: 88vw;
    padding: 11px 20px;
    border-radius: 12px;
    background: rgba(47, 38, 44, 0.95);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.26);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.cif-toast.show { opacity: 1; transform: translate(-50%, 0); }
.cif-toast.ok { background: rgba(28, 108, 90, 0.96); }
.cif-toast.err { background: rgba(150, 52, 38, 0.96); }

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

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

/* ============================ 响应式 ============================ */
@media (max-width: 1080px) {
    .cif-hero { grid-template-columns: minmax(0, 1fr); }
    .cif-main { grid-template-columns: minmax(0, 1fr); }
    .cif-sticky { position: static; }
}
@media (max-width: 760px) {
    .cif-scenes { grid-template-columns: minmax(0, 1fr); }
    .cif-rel { grid-template-columns: minmax(0, 1fr); }
    .cif-fields { grid-template-columns: minmax(0, 1fr); }
    .cif-field.is-full { grid-column: span 1; }
    .cif-hero { padding: 24px 20px; }
    .cif-stats { grid-template-columns: minmax(0, 1fr); }
    .cif-win { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
    .cif-page *, .cif-page *::before, .cif-page *::after {
        transition: none !important;
        animation: none !important;
    }
}