/* ==========================================================================
   分数应用题专项练习 /tool/fraction-word-problem
   视觉主题：分数条 —— 酒红 #8e2440 + 湖蓝 #2e7fa8 + 米白算术纸
   （独立色系，与站内其它工具页完全错开；深浅双主题跟随导航栏 #themeToggle）
   ========================================================================== */

.fwp-page {
    --fwp-bg: #f6f2f4;
    --fwp-paper: #ffffff;
    --fwp-paper-2: #fcf9fa;
    --fwp-paper-3: #f3eaee;
    --fwp-ink: #2a1620;
    --fwp-ink-2: #6b4c58;
    --fwp-ink-3: #9c8490;
    --fwp-line: #e8dce1;
    --fwp-line-2: #d8c4cd;
    --fwp-wine: #8e2440;
    --fwp-wine-2: #6f1a31;
    --fwp-wine-soft: #f7e8ec;
    --fwp-blue: #2e7fa8;
    --fwp-blue-2: #1f6285;
    --fwp-blue-soft: #e3f0f6;
    --fwp-gold: #b08214;
    --fwp-gold-soft: #faf1da;
    --fwp-green: #2c7d5b;
    --fwp-green-soft: #e2f2ea;
    --fwp-red: #c2453c;
    --fwp-red-soft: #fbe9e7;
    --fwp-shadow: 0 14px 36px rgba(60, 30, 40, .13);
    --fwp-shadow-sm: 0 3px 12px rgba(60, 30, 40, .08);
    --fwp-radius: 16px;
}

:root[data-theme="dark"] .fwp-page {
    --fwp-bg: #150f13;
    --fwp-paper: #201619;
    --fwp-paper-2: #281c21;
    --fwp-paper-3: #33242b;
    --fwp-ink: #f3e9ec;
    --fwp-ink-2: #c9b0bb;
    --fwp-ink-3: #9b8490;
    --fwp-line: #3a2b32;
    --fwp-line-2: #4c3841;
    --fwp-wine: #e2799a;
    --fwp-wine-2: #f09cb6;
    --fwp-wine-soft: #3a1f2a;
    --fwp-blue: #63b4da;
    --fwp-blue-2: #86c9e8;
    --fwp-blue-soft: #16303c;
    --fwp-gold: #dcb055;
    --fwp-gold-soft: #362a11;
    --fwp-green: #5cc294;
    --fwp-green-soft: #16352a;
    --fwp-red: #f0837a;
    --fwp-red-soft: #3a1f1d;
    --fwp-shadow: 0 14px 36px rgba(0, 0, 0, .45);
    --fwp-shadow-sm: 0 3px 12px rgba(0, 0, 0, .35);
}

.fwp-page {
    color: var(--fwp-ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    font-variant-numeric: tabular-nums;
    padding-bottom: 48px;
}

.fwp-page * { box-sizing: border-box; }
.fwp-page h1, .fwp-page h2, .fwp-page h3 { font-family: "Songti SC", "SimSun", "PingFang SC", serif; margin: 0; letter-spacing: .4px; }
.fwp-num { font-family: "Consolas", "Monaco", "DejaVu Sans Mono", monospace; letter-spacing: -.5px; }
.fwp-frac { font-family: "Consolas", "Monaco", "DejaVu Sans Mono", monospace; font-weight: 800; }

/* ===================== 首屏 ===================== */
.fwp-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--fwp-paper-2), var(--fwp-paper));
    border: 1px solid var(--fwp-line);
    border-radius: 20px;
    box-shadow: var(--fwp-shadow);
    padding: 30px 30px 24px;
    margin-bottom: 20px;
}

/* 顶部分数条装饰 */
.fwp-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 16px;
    background:
        linear-gradient(90deg, var(--fwp-wine) 0 25%, transparent 25% 25.5%,
        var(--fwp-wine) 25.5% 50%, transparent 50% 50.5%,
        var(--fwp-blue) 50.5% 75%, transparent 75% 75.5%,
        var(--fwp-blue) 75.5% 100%);
    opacity: .5;
}

.fwp-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 26px; align-items: start; padding-top: 16px; }

.fwp-kicker {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 3px;
    font-weight: 800;
    color: var(--fwp-wine);
    border: 1px solid var(--fwp-wine);
    background: var(--fwp-wine-soft);
    border-radius: 999px;
    padding: 3px 14px;
    margin-bottom: 12px;
}

.fwp-hero-copy h1 { font-size: 33px; line-height: 1.26; color: var(--fwp-wine-2); margin-bottom: 10px; }
.fwp-lead { margin: 0 0 14px; font-size: 15px; color: var(--fwp-ink-2); max-width: 64ch; line-height: 1.9; }
.fwp-lead b { color: var(--fwp-ink); font-weight: 700; }

.fwp-tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.fwp-tags li {
    font-size: 12.5px; color: var(--fwp-ink-2); background: var(--fwp-paper-3);
    border: 1px solid var(--fwp-line); border-radius: 999px; padding: 4px 12px; font-weight: 700;
}

.fwp-start { background: var(--fwp-paper); border: 1px solid var(--fwp-line-2); border-radius: 14px; box-shadow: var(--fwp-shadow-sm); overflow: hidden; }
.fwp-start-head { background: linear-gradient(135deg, var(--fwp-wine), var(--fwp-wine-2)); color: #fff; font-size: 13px; font-weight: 800; letter-spacing: 2px; padding: 9px 14px; }
:root[data-theme="dark"] .fwp-start-head { color: #1a0d13; }
.fwp-start-body { padding: 14px; }

.fwp-field { display: block; margin-bottom: 12px; }
.fwp-label { display: block; font-size: 12px; font-weight: 800; color: var(--fwp-ink-3); letter-spacing: .4px; margin-bottom: 6px; }

.fwp-input, .fwp-select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--fwp-line-2); border-radius: 10px;
    background: var(--fwp-paper-2); color: var(--fwp-ink); font-size: 14px; font-family: inherit; transition: border-color .16s, box-shadow .16s;
}
.fwp-input:focus, .fwp-select:focus { outline: none; border-color: var(--fwp-wine); box-shadow: 0 0 0 3px var(--fwp-wine-soft); }

.fwp-start-btn {
    width: 100%; margin-top: 4px; border: none; border-radius: 12px; padding: 13px 18px;
    font-size: 15px; font-weight: 800; font-family: inherit; cursor: pointer; color: #fff;
    background: linear-gradient(135deg, var(--fwp-wine), var(--fwp-wine-2));
    box-shadow: 0 8px 20px rgba(142, 36, 64, .28); transition: transform .14s, box-shadow .18s;
}
:root[data-theme="dark"] .fwp-start-btn { color: #1a0d13; }
.fwp-start-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(142, 36, 64, .34); }
.fwp-start-note { margin: 10px 0 0; font-size: 11.5px; color: var(--fwp-ink-3); line-height: 1.7; text-align: center; }

/* ===================== 面板 ===================== */
.fwp-panel { background: var(--fwp-paper); border: 1px solid var(--fwp-line); border-radius: var(--fwp-radius); box-shadow: var(--fwp-shadow-sm); margin-bottom: 20px; overflow: hidden; }
.fwp-panel-head { padding: 15px 22px 13px; border-bottom: 1px solid var(--fwp-line); background: var(--fwp-paper-2); }
.fwp-panel-kicker { display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: 2px; color: var(--fwp-blue); margin-bottom: 4px; }
.fwp-panel-head h2 { font-size: 19px; color: var(--fwp-ink); margin-bottom: 4px; }
.fwp-panel-head p { margin: 0; font-size: 13px; color: var(--fwp-ink-3); line-height: 1.8; }
.fwp-panel-body { padding: 18px 22px 22px; }
.fwp-panel-sub { float: right; font-size: 12px; font-weight: 600; color: var(--fwp-ink-3); }

.fwp-setup { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; }
.fwp-chip-group { display: flex; flex-wrap: wrap; gap: 7px; }
.fwp-chip {
    border: 1px solid var(--fwp-line-2); background: var(--fwp-paper-2); color: var(--fwp-ink-2);
    padding: 7px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 700; font-family: inherit; cursor: pointer; transition: .16s; white-space: nowrap;
}
.fwp-chip:hover { border-color: var(--fwp-wine); color: var(--fwp-wine); }
.fwp-chip.active { background: var(--fwp-wine); border-color: var(--fwp-wine); color: #fff; box-shadow: 0 4px 12px rgba(142, 36, 64, .22); }
:root[data-theme="dark"] .fwp-chip.active { color: #1a0d13; }
.fwp-chip.blue.active { background: var(--fwp-blue); border-color: var(--fwp-blue); box-shadow: 0 4px 12px rgba(46, 127, 168, .22); }
.fwp-chip.blue:hover { border-color: var(--fwp-blue); color: var(--fwp-blue); }
:root[data-theme="dark"] .fwp-chip.blue.active { color: #07161f; }

/* ===================== 练习区 ===================== */
.fwp-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }

.fwp-quiz { background: var(--fwp-paper); border: 1px solid var(--fwp-line); border-radius: var(--fwp-radius); box-shadow: var(--fwp-shadow); overflow: hidden; }

.fwp-quiz-bar {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    padding: 12px 20px; background: var(--fwp-paper-2); border-bottom: 1px solid var(--fwp-line);
}
.fwp-progress { flex: 1 1 160px; height: 8px; border-radius: 999px; background: var(--fwp-paper-3); border: 1px solid var(--fwp-line); overflow: hidden; min-width: 120px; }
.fwp-progress i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--fwp-wine), var(--fwp-blue)); transition: width .3s ease; }
.fwp-quiz-stat { font-size: 12.5px; color: var(--fwp-ink-3); font-weight: 700; white-space: nowrap; }
.fwp-quiz-stat b { color: var(--fwp-ink); font-size: 15px; font-weight: 800; }
.fwp-quiz-stat.score b { color: var(--fwp-wine); }
.fwp-quiz-stat.wrong b { color: var(--fwp-red); }

/* 线段图 */
.fwp-figure-wrap { padding: 18px 22px 6px; }
.fwp-figure {
    width: 100%; max-width: 520px; background: var(--fwp-paper-2);
    border: 1px solid var(--fwp-line); border-radius: 14px; padding: 8px 10px;
}
.fwp-figure svg { display: block; width: 100%; height: auto; }
.fwp-figure-note { margin: 8px 0 0; font-size: 12.5px; color: var(--fwp-ink-3); text-align: center; line-height: 1.8; }

.fwp-question { padding: 12px 24px 18px; text-align: center; border-bottom: 1px dashed var(--fwp-line); }
.fwp-qtag { display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: 1px; color: var(--fwp-blue); background: var(--fwp-blue-soft); border-radius: 999px; padding: 3px 12px; margin-bottom: 10px; }
.fwp-qtext { font-size: 17px; color: var(--fwp-ink-2); line-height: 2; margin: 0 0 12px; text-align: left; }
.fwp-qtext b { color: var(--fwp-ink); }
.fwp-unit1 {
    display: inline-block; font-size: 13px; color: var(--fwp-wine);
    background: var(--fwp-wine-soft); border: 1px dashed var(--fwp-wine);
    border-radius: 10px; padding: 7px 14px; line-height: 1.8;
}

/* 作答区 */
.fwp-answer { padding: 18px 24px 22px; background: var(--fwp-paper-2); }
.fwp-answer-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; justify-content: center; }
.fwp-answer-field { flex: 0 1 230px; min-width: 160px; }
.fwp-answer-field .fwp-input { font-size: 20px; font-weight: 800; text-align: center; padding: 11px 12px; font-family: "Consolas", "Monaco", monospace; }
.fwp-ans-tip { flex: 1 1 100%; text-align: center; font-size: 12px; color: var(--fwp-ink-3); margin: -2px 0 0; }

.fwp-btn {
    border: 1px solid var(--fwp-line-2); background: var(--fwp-paper); color: var(--fwp-ink);
    padding: 11px 20px; border-radius: 11px; font-size: 14px; font-weight: 700; font-family: inherit; cursor: pointer;
    transition: transform .14s, border-color .16s;
}
.fwp-btn:hover { transform: translateY(-1px); border-color: var(--fwp-wine); }
.fwp-btn--primary { background: linear-gradient(135deg, var(--fwp-wine), var(--fwp-wine-2)); border-color: var(--fwp-wine-2); color: #fff; box-shadow: 0 6px 18px rgba(142, 36, 64, .26); }
:root[data-theme="dark"] .fwp-btn--primary { color: #1a0d13; }
.fwp-btn--blue { background: linear-gradient(135deg, var(--fwp-blue), var(--fwp-blue-2)); border-color: var(--fwp-blue-2); color: #fff; box-shadow: 0 6px 18px rgba(46, 127, 168, .26); }
:root[data-theme="dark"] .fwp-btn--blue { color: #07161f; }
.fwp-btn--ghost { background: transparent; }
.fwp-btn--sm { padding: 7px 13px; font-size: 13px; border-radius: 9px; }
.fwp-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* 分步提示 */
.fwp-hints { margin-top: 16px; border: 1px dashed var(--fwp-line-2); border-radius: 13px; background: var(--fwp-paper); overflow: hidden; }
.fwp-hints-head { padding: 10px 15px; font-size: 13px; font-weight: 800; color: var(--fwp-blue); background: var(--fwp-blue-soft); display: flex; align-items: center; gap: 8px; }
.fwp-hints-list { list-style: none; margin: 0; padding: 0; }
.fwp-hints-list li {
    padding: 11px 16px; font-size: 13.5px; line-height: 1.9; color: var(--fwp-ink-2);
    border-bottom: 1px dashed var(--fwp-line); display: flex; gap: 10px;
}
.fwp-hints-list li:last-child { border-bottom: none; }
.fwp-hints-list .no {
    flex: 0 0 22px; width: 22px; height: 22px; border-radius: 7px; background: var(--fwp-blue-soft);
    color: var(--fwp-blue); font-size: 12px; font-weight: 800; display: grid; place-items: center; margin-top: 2px;
}
.fwp-hints-list b { color: var(--fwp-ink); }
.fwp-hints-list .blank { display: inline-block; min-width: 64px; border-bottom: 2px solid var(--fwp-blue); text-align: center; color: var(--fwp-ink); font-weight: 800; }

/* 反馈 */
.fwp-feedback { margin-top: 16px; border-radius: 13px; border: 1px solid var(--fwp-line); background: var(--fwp-paper); padding: 16px 18px; display: none; }
.fwp-feedback.show { display: block; animation: fwpFade .22s ease; }
@keyframes fwpFade { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.fwp-feedback.ok { border-color: var(--fwp-green); background: var(--fwp-green-soft); }
.fwp-feedback.no { border-color: var(--fwp-red); background: var(--fwp-red-soft); }
.fwp-fb-head { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; margin-bottom: 10px; }
.fwp-feedback.ok .fwp-fb-head { color: var(--fwp-green); }
.fwp-feedback.no .fwp-fb-head { color: var(--fwp-red); }
.fwp-fb-head .mark { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 15px; background: rgba(255, 255, 255, .5); }
.fwp-fb-body { font-size: 13.5px; line-height: 1.95; color: var(--fwp-ink-2); }
.fwp-fb-body b { color: var(--fwp-ink); }
.fwp-fb-body .k { display: inline-block; background: rgba(255, 255, 255, .55); border-radius: 6px; padding: 1px 7px; font-weight: 800; color: var(--fwp-ink); font-family: "Consolas", "Monaco", monospace; }
.fwp-fb-steps { margin: 8px 0 0; padding-left: 20px; }
.fwp-fb-steps li { margin-bottom: 6px; }
.fwp-solution { margin-top: 10px; border: 1px solid var(--fwp-line); border-radius: 11px; background: var(--fwp-paper); padding: 12px 14px; font-size: 13px; line-height: 1.9; }
.fwp-solution h4 { font-size: 13px; margin: 0 0 5px; color: var(--fwp-wine); font-family: inherit; font-weight: 800; }
.fwp-solution p { margin: 0 0 4px; color: var(--fwp-ink-2); }
.fwp-solution p:last-child { margin-bottom: 0; }
.fwp-solution .f { font-family: "Consolas", "Monaco", monospace; font-weight: 800; color: var(--fwp-ink); }

/* ===================== 侧栏 ===================== */
.fwp-side { display: grid; gap: 18px; }
.fwp-card { background: var(--fwp-paper); border: 1px solid var(--fwp-line); border-radius: 14px; box-shadow: var(--fwp-shadow-sm); overflow: hidden; }
.fwp-card > header { padding: 11px 16px; background: var(--fwp-paper-2); border-bottom: 1px solid var(--fwp-line); font-size: 14px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.fwp-card > header .note { margin-left: auto; font-size: 11.5px; color: var(--fwp-ink-3); font-weight: 600; }
.fwp-card-body { padding: 14px 16px 16px; }

.fwp-score-ring { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.fwp-ring { position: relative; width: 74px; height: 74px; flex: 0 0 auto; }
.fwp-ring svg { transform: rotate(-90deg); display: block; }
.fwp-ring .val { position: absolute; inset: 0; display: grid; place-items: center; font-size: 19px; font-weight: 800; color: var(--fwp-wine); }
.fwp-score-meta { font-size: 13px; color: var(--fwp-ink-2); line-height: 1.8; }
.fwp-score-meta b { color: var(--fwp-ink); font-size: 15px; }

.fwp-stat-list { list-style: none; margin: 0; padding: 0; }
.fwp-stat-list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--fwp-line); font-size: 13px; color: var(--fwp-ink-2); }
.fwp-stat-list li:last-child { border-bottom: none; }
.fwp-stat-list li b { color: var(--fwp-ink); font-weight: 800; }

.fwp-type-row { display: flex; align-items: center; gap: 9px; padding: 7px 0; font-size: 13px; }
.fwp-type-row .nm { flex: 0 0 96px; color: var(--fwp-ink-2); font-weight: 700; }
.fwp-type-row .track { flex: 1 1 auto; height: 8px; border-radius: 999px; background: var(--fwp-paper-3); overflow: hidden; }
.fwp-type-row .track i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--fwp-wine), var(--fwp-green)); }
.fwp-type-row .track i.low { background: linear-gradient(90deg, var(--fwp-red), var(--fwp-gold)); }
.fwp-type-row .pv { flex: 0 0 56px; text-align: right; font-weight: 800; font-size: 12.5px; }

.fwp-wrong-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; max-height: 300px; overflow: auto; }
.fwp-wrong-item { border: 1px solid var(--fwp-line); background: var(--fwp-paper-2); border-radius: 10px; padding: 9px 11px; font-size: 12.5px; line-height: 1.7; }
.fwp-wrong-item .q { color: var(--fwp-ink); font-weight: 700; margin-bottom: 3px; }
.fwp-wrong-item .a { color: var(--fwp-ink-3); }
.fwp-wrong-item .a b { color: var(--fwp-green); }
.fwp-empty { font-size: 13px; color: var(--fwp-ink-3); line-height: 1.8; }

/* ===================== 表格 / 预览 ===================== */
.fwp-csv-scroll { overflow-x: auto; border: 1px solid var(--fwp-line); border-radius: 12px; background: var(--fwp-paper-2); }
.fwp-csv-table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 660px; }
.fwp-csv-table th { text-align: left; font-size: 11.5px; font-weight: 800; color: var(--fwp-ink-3); padding: 9px 11px; background: var(--fwp-paper-3); border-bottom: 1px solid var(--fwp-line-2); white-space: nowrap; }
.fwp-csv-table td { padding: 8px 11px; border-bottom: 1px dashed var(--fwp-line); color: var(--fwp-ink-2); white-space: nowrap; vertical-align: top; }
.fwp-csv-table td:nth-child(2) { white-space: normal; min-width: 240px; max-width: 340px; line-height: 1.7; }
.fwp-csv-table td.fwp-wrap { white-space: normal; min-width: 280px; max-width: 380px; line-height: 1.75; }
.fwp-csv-table tr:last-child td { border-bottom: none; }
.fwp-csv-table td:first-child { color: var(--fwp-ink); font-weight: 800; }
.fwp-csv-table td.ok { color: var(--fwp-green); font-weight: 800; }
.fwp-csv-table td.no { color: var(--fwp-red); font-weight: 800; }
.fwp-csv-more { margin: 10px 0 0; font-size: 12.5px; color: var(--fwp-ink-3); line-height: 1.8; }
.fwp-csv-more b { color: var(--fwp-wine); }
.fwp-export-tip { margin: 14px 0 0; font-size: 12.5px; line-height: 1.9; color: var(--fwp-ink-3); background: var(--fwp-paper-2); border: 1px dashed var(--fwp-line-2); border-radius: 12px; padding: 11px 14px; }

.fwp-note-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.fwp-note-table th, .fwp-note-table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--fwp-line); vertical-align: top; line-height: 1.85; }
.fwp-note-table th { width: 104px; color: var(--fwp-ink); font-weight: 800; white-space: nowrap; }
.fwp-note-table td { color: var(--fwp-ink-2); }
.fwp-note-table td b { color: var(--fwp-ink); }
.fwp-note-table tr:last-child th, .fwp-note-table tr:last-child td { border-bottom: none; }

/* ===================== 线段图（SVG，全局类名以便打印区复用） ===================== */
.fw-bar-bg { fill: var(--fwp-paper); stroke: var(--fwp-line-2); stroke-width: 1.2; }
.fw-seg { stroke: none; }
.fw-seg--wine { fill: var(--fwp-wine); stroke: var(--fwp-paper); stroke-width: 1; }
.fw-seg--wine-soft { fill: var(--fwp-wine-soft); stroke: var(--fwp-wine); stroke-width: 1.2; }
.fw-seg--blue { fill: var(--fwp-blue); stroke: var(--fwp-paper); stroke-width: 1; }
.fw-seg--blue-soft { fill: var(--fwp-blue-soft); stroke: var(--fwp-blue); stroke-width: 1.2; }
.fw-seg--rest { fill: var(--fwp-paper-3); }
.fw-seg--gold { fill: var(--fwp-gold); stroke: var(--fwp-paper); stroke-width: 1; }
.fw-txt { font-size: 11px; fill: var(--fwp-ink-2); }
.fw-txt--row { font-size: 11.5px; fill: var(--fwp-ink); font-weight: 700; }
.fw-txt--seg { font-size: 10.5px; fill: #fff; font-weight: 700; }
.fw-txt--seg-dark { font-size: 10.5px; fill: var(--fwp-ink-2); }
.fw-txt--note { font-size: 10.5px; fill: var(--fwp-ink-3); }
.fw-unit { font-size: 10.5px; fill: var(--fwp-wine); font-weight: 800; }

/* ===================== 行内分数排版 ===================== */
.fwp-page .fr { display: inline-block; vertical-align: -0.42em; text-align: center; margin: 0 3px; line-height: 1.1; }
.fwp-page .fr b { display: block; font-size: .88em; font-weight: 800; padding: 0 3px; border-bottom: 1.3px solid currentColor; }
.fwp-page .fr i { display: block; font-style: normal; font-size: .88em; font-weight: 800; padding: 0 3px; }
.fwp-page .fr--wine { color: var(--fwp-wine); }
.fwp-page .fr--blue { color: var(--fwp-blue); }
.fwp-page .fr--ink { color: var(--fwp-ink); }

/* ===================== 底部标签页 ===================== */
.fwp-tabs { display: flex; gap: 4px; margin: 26px 0 14px; border-bottom: 1px solid var(--fwp-line); flex-wrap: wrap; }
.fwp-tab { border: 0; background: none; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 700; color: var(--fwp-ink-3); padding: 10px 16px; position: relative; transition: color .18s; }
.fwp-tab:hover { color: var(--fwp-wine); }
.fwp-tab.active { color: var(--fwp-wine); }
.fwp-tab.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 3px; border-radius: 3px 3px 0 0; background: linear-gradient(90deg, var(--fwp-wine), var(--fwp-blue)); }
.fwp-tabpane { display: none; background: var(--fwp-paper); border: 1px solid var(--fwp-line); border-radius: var(--fwp-radius); padding: 24px 26px; box-shadow: var(--fwp-shadow-sm); }
.fwp-tabpane.active { display: block; animation: fwpFade .26s ease; }
.fwp-tabpane h2 { font-size: 17px; margin: 0 0 12px; color: var(--fwp-ink); }
.fwp-tabpane h2:not(:first-child) { margin-top: 24px; }
.fwp-tabpane p, .fwp-tabpane li { font-size: 14px; line-height: 1.95; color: var(--fwp-ink-2); }
.fwp-tabpane p b, .fwp-tabpane li b { color: var(--fwp-ink); }
.fwp-tabpane ol { padding-left: 20px; margin: 0; }
.fwp-timeline { list-style: none; padding: 0; margin: 0; }
.fwp-timeline li { display: flex; gap: 12px; align-items: baseline; margin-bottom: 12px; }
.fwp-timeline .ver { font-weight: 800; color: var(--fwp-wine); flex: none; }
.fwp-timeline .date { color: var(--fwp-ink-3); font-size: 12.5px; flex: none; width: 86px; }
.fwp-timeline .txt { font-size: 13.5px; line-height: 1.8; color: var(--fwp-ink-2); }
.fwp-tabpane .fwp-faq details { border: 1px solid var(--fwp-line); border-radius: 12px; padding: 0 16px; margin-bottom: 10px; background: var(--fwp-paper-2); }
.fwp-tabpane .fwp-faq summary { cursor: pointer; font-size: 14px; font-weight: 700; padding: 13px 0; list-style: none; color: var(--fwp-ink); }
.fwp-tabpane .fwp-faq summary::-webkit-details-marker { display: none; }
.fwp-tabpane .fwp-faq summary::after { content: "＋"; float: right; color: var(--fwp-wine); font-weight: 800; }
.fwp-tabpane .fwp-faq details[open] summary::after { content: "－"; }
.fwp-tabpane .fwp-faq .a { padding: 0 0 14px; font-size: 13.5px; line-height: 1.95; color: var(--fwp-ink-2); }
.fwp-tabpane .fwp-faq .a b { color: var(--fwp-ink); }

.fwp-related { margin-top: 26px; }
.fwp-related h2 { font-size: 18px; margin-bottom: 14px; color: var(--fwp-ink); }
.fwp-rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.fwp-rel { display: flex; align-items: center; gap: 11px; padding: 14px 16px; background: var(--fwp-paper); border: 1px solid var(--fwp-line); border-radius: 14px; text-decoration: none; color: var(--fwp-ink); box-shadow: var(--fwp-shadow-sm); transition: transform .18s, border-color .18s; }
.fwp-rel:hover { transform: translateY(-3px); border-color: var(--fwp-wine); }
.fwp-rel .ri { font-size: 22px; }
.fwp-rel b { font-size: 14px; display: block; }
.fwp-rel small { font-size: 12px; color: var(--fwp-ink-3); }

.fwp-foot { margin: 26px 0 0; text-align: center; font-size: 12.5px; color: var(--fwp-ink-3); line-height: 1.9; }

/* ===================== Toast ===================== */
.fwp-toast {
    position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 12px);
    background: rgba(40, 16, 26, .95); color: #f6ebef; padding: 11px 20px; border-radius: 12px;
    font-size: 14px; box-shadow: 0 10px 28px rgba(0, 0, 0, .3); opacity: 0; pointer-events: none;
    transition: .22s; z-index: 99998; max-width: 88vw; text-align: center;
}
.fwp-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===================== 响应式 ===================== */
@media (max-width: 1000px) {
    .fwp-hero-grid { grid-template-columns: 1fr; }
    .fwp-workspace { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
    .fwp-hero { padding: 22px 18px 20px; }
    .fwp-hero-copy h1 { font-size: 25px; }
    .fwp-panel-head { padding: 13px 16px 11px; }
    .fwp-panel-body { padding: 14px 16px 18px; }
    .fwp-question { padding: 10px 14px 16px; }
    .fwp-qtext { font-size: 16px; }
    .fwp-answer { padding: 16px 14px 18px; }
    .fwp-figure-wrap { padding: 12px 10px 4px; }
    .fwp-answer-field { flex: 1 1 100%; }
    .fwp-tabpane { padding: 18px 16px; }
}

/* ===================== 打印 ===================== */
.fwp-print-only { display: none; }
@media print {
    @page { size: A4 portrait; margin: 12mm 10mm; }
    .fwp-page { background: #fff !important; }
    .fwp-hero, .fwp-panel:not(.fwp-print-panel), .fwp-workspace > .fwp-side, .fwp-toast, .fwp-foot, .fwp-tabs, .fwp-tabpane { display: none !important; }
    .fwp-print-only { display: block !important; }
    .fwp-workspace { display: block; }
    .fwp-quiz { border: none; box-shadow: none; }
    .fwp-figure { background: #fff; border-color: #999; }
    .fwp-print-head { display: block !important; text-align: center; margin-bottom: 5mm; font-size: 15px; font-weight: 800; }
    .fwp-print-head small { display: block; font-size: 11px; font-weight: 600; color: #555; margin-top: 2mm; }
    .fwp-sheet-item { break-inside: avoid; page-break-inside: avoid; border-bottom: 1px solid #ccc; padding: 3mm 0; }
    .fwp-sheet-item .qq { font-size: 13px; color: #111; }
    .fwp-sheet-item .aa { font-size: 12px; color: #555; margin-top: 1mm; }
}