/* ============================================================
   broadband-cancel · 宽带注销与违约金
   电信账单风（bbc-）：青蓝 + 账单黄 + 单据纸，穿孔边/虚线合计栏/结清印章
   与暮色纪念 / 运动鞋底 / 冰晶霜室等主题零重叠
   ============================================================ */
.bbc-page {
    --bbc-blue: #1a7fa8;
    --bbc-blue-deep: #0f5a78;
    --bbc-blue-soft: rgba(26, 127, 168, 0.10);
    --bbc-yellow: #e6b84c;
    --bbc-yellow-deep: #c2932a;
    --bbc-yellow-soft: rgba(230, 184, 76, 0.14);
    --bbc-paper: #f6f8f9;
    --bbc-card: #fdfefe;
    --bbc-card-2: #eef4f6;
    --bbc-line: #d2e0e6;
    --bbc-line-strong: #a4c0cc;
    --bbc-text: #17303c;
    --bbc-muted: #5f7885;
    --bbc-danger: #b3502e;
    --bbc-danger-soft: rgba(179, 80, 46, 0.10);
    --bbc-shadow: 0 6px 20px rgba(15, 90, 120, 0.12);

    color: var(--bbc-text);
    font-size: 15px;
    line-height: 1.8;
}

[data-theme="dark"] .bbc-page {
    --bbc-blue: #5aa6c4;
    --bbc-blue-deep: #84c2d8;
    --bbc-blue-soft: rgba(90, 166, 196, 0.14);
    --bbc-yellow: #e0bd68;
    --bbc-yellow-deep: #f0d28e;
    --bbc-yellow-soft: rgba(224, 189, 104, 0.14);
    --bbc-paper: #141e24;
    --bbc-card: #1a2730;
    --bbc-card-2: #22333e;
    --bbc-line: #304451;
    --bbc-line-strong: #4a6474;
    --bbc-text: #e0ebf0;
    --bbc-muted: #90a6b2;
    --bbc-danger: #dd8a6b;
    --bbc-danger-soft: rgba(221, 138, 107, 0.14);
    --bbc-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

.bbc-page h1, .bbc-page h2, .bbc-page h3 { line-height: 1.4; }
.bbc-page b, .bbc-page strong { color: var(--bbc-blue-deep); }

/* ---------- 首屏：账单 ---------- */
.bbc-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(170px, 0.6fr) minmax(240px, 0.9fr);
    gap: 22px 26px;
    align-items: center;
    padding: 30px 32px 26px;
    margin-bottom: 24px;
    border-radius: 14px;
    border: 1px solid var(--bbc-line-strong);
    background:
        radial-gradient(circle at 96% 0%, var(--bbc-yellow-soft) 0, transparent 30%),
        linear-gradient(180deg, var(--bbc-paper) 0%, var(--bbc-card) 100%);
    box-shadow: var(--bbc-shadow);
    overflow: hidden;
}
/* 顶部青蓝磁条 */
.bbc-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--bbc-blue) 0 70%, var(--bbc-yellow) 70% 100%);
}
.bbc-kicker {
    display: inline-block;
    padding: 5px 14px;
    margin-bottom: 12px;
    border-radius: 3px;
    background: var(--bbc-blue);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
}
.bbc-hero h1 { margin: 0 0 10px; font-size: clamp(25px, 3.2vw, 36px); font-weight: 900; }
.bbc-hero-sub { margin: 0 0 14px; max-width: 56ch; color: var(--bbc-muted); font-size: 15px; }
.bbc-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bbc-hero-chips li {
    padding: 5px 13px;
    border-radius: 3px;
    border: 1px solid var(--bbc-line-strong);
    background: var(--bbc-card);
    color: var(--bbc-muted);
    font-size: 12px;
    font-weight: 700;
}

/* hero 账单 */
.bbc-hero-bill {
    display: grid;
    justify-items: center;
    gap: 10px;
}
.bbc-bill {
    position: relative;
    width: 132px; height: 150px;
    padding: 16px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--bbc-line-strong);
    background: var(--bbc-card);
    box-shadow: 0 10px 22px rgba(15, 90, 120, 0.2);
    display: grid;
    gap: 12px;
    align-content: start;
}
/* 打孔边 */
.bbc-bill::before {
    content: "";
    position: absolute;
    top: 8px; bottom: 8px; left: -5px;
    width: 10px;
    background: radial-gradient(circle at 0 50%, var(--bbc-paper) 3.5px, transparent 4px);
    background-size: 10px 18px;
}
.bbc-bill-line {
    height: 7px;
    border-radius: 4px;
    background: var(--bbc-line);
}
.bbc-bill-line--short { width: 62%; }
.bbc-stamp {
    position: absolute;
    right: 10px; bottom: 12px;
    padding: 3px 10px;
    border: 2px solid var(--bbc-danger);
    border-radius: 4px;
    color: var(--bbc-danger);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.3em;
    transform: rotate(-12deg);
    opacity: 0.85;
}
.bbc-bill-caption {
    padding: 5px 14px;
    border-radius: 3px;
    border: 1px dashed var(--bbc-blue);
    background: var(--bbc-card);
    color: var(--bbc-blue-deep);
    font-size: 12px;
    font-weight: 800;
}

/* hero 读数 */
.bbc-hero-readout, .bbc-result-hero {
    padding: 18px 20px;
    border-radius: 12px;
    border: 1px solid var(--bbc-line-strong);
    background: var(--bbc-card);
    display: grid;
    gap: 4px;
    justify-items: start;
    box-shadow: var(--bbc-shadow);
}
.bbc-hero-readout { position: relative; z-index: 1; }
.bbc-readout-label, .bbc-rh-label {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: var(--bbc-muted);
}
.bbc-readout-num, .bbc-rh-num {
    font-size: 27px;
    font-weight: 900;
    color: var(--bbc-blue-deep);
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
}
.bbc-readout-state { font-size: 13px; font-weight: 700; color: var(--bbc-yellow-deep); }
.bbc-readout-meta { font-size: 12px; color: var(--bbc-muted); }
.bbc-readout-tip { margin-top: 6px; font-size: 12px; color: var(--bbc-muted); opacity: 0.85; }

/* ---------- 主体两栏 ---------- */
.bbc-calc {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr);
    gap: 20px;
    align-items: start;
    margin-bottom: 28px;
}
.bbc-input-col { display: grid; gap: 16px; min-width: 0; }

.bbc-panel {
    padding: 20px 22px;
    border: 1px solid var(--bbc-line);
    border-radius: 14px;
    background: var(--bbc-card);
    box-shadow: var(--bbc-shadow);
}
.bbc-panel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.bbc-panel-head h2 { margin: 0; font-size: 18px; font-weight: 800; }
.bbc-panel-head p { margin: 2px 0 0; font-size: 13px; color: var(--bbc-muted); }
.bbc-step {
    flex-shrink: 0;
    width: 38px; height: 38px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--bbc-blue);
    color: #fff;
    font-size: 15px;
    font-weight: 900;
}
.bbc-step--gold { background: var(--bbc-yellow-deep); }

.bbc-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.bbc-field { display: grid; gap: 6px; }
.bbc-label { font-size: 13px; font-weight: 700; color: var(--bbc-text); }
.bbc-label small { font-weight: 500; color: var(--bbc-muted); font-size: 11.5px; margin-left: 4px; }
.bbc-input-wrap, .bbc-select-wrap { position: relative; display: flex; align-items: center; }
.bbc-select-wrap::after {
    content: "▾";
    position: absolute;
    right: 12px;
    color: var(--bbc-muted);
    font-size: 13px;
    pointer-events: none;
}
.bbc-input {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1.5px solid var(--bbc-line-strong);
    border-radius: 10px;
    background: var(--bbc-card-2);
    color: var(--bbc-text);
    font-size: 15px;
    font-weight: 700;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
    -webkit-appearance: none;
}
.bbc-select-wrap .bbc-input { padding-right: 30px; }
.bbc-input:focus { border-color: var(--bbc-blue); box-shadow: 0 0 0 3px var(--bbc-blue-soft); }

.bbc-error {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(179, 80, 46, 0.4);
    background: var(--bbc-danger-soft);
    color: var(--bbc-danger);
    font-size: 13px;
}
.bbc-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.bbc-hint {
    margin: 14px 0 0;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--bbc-yellow-soft);
    border-left: 3px solid var(--bbc-yellow);
    font-size: 13px;
    color: var(--bbc-text);
}
.bbc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 44px;
    padding: 0 20px;
    border: 1.5px solid var(--bbc-line-strong);
    border-radius: 10px;
    background: var(--bbc-card-2);
    color: var(--bbc-text);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s;
}
.bbc-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(15, 90, 120, 0.16); }
.bbc-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.bbc-btn--primary {
    border-color: var(--bbc-blue-deep);
    background: linear-gradient(170deg, var(--bbc-blue) 0%, var(--bbc-blue-deep) 100%);
    color: #fff;
}

/* ---------- 注销步骤 ---------- */
.bbc-panel--steps { border-left: 4px solid var(--bbc-yellow); }
.bbc-steps-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(200px, 0.9fr);
    gap: 14px;
    align-items: start;
}
.bbc-ol { margin: 0; padding: 0; list-style: none; counter-reset: bbcstep; display: grid; gap: 9px; }
.bbc-ol li {
    position: relative;
    padding: 11px 14px 11px 44px;
    border: 1px solid var(--bbc-line);
    border-radius: 10px;
    background: var(--bbc-card-2);
    font-size: 13.5px;
    counter-increment: bbcstep;
}
.bbc-ol li::before {
    content: counter(bbcstep);
    position: absolute;
    left: 12px; top: 10px;
    width: 22px; height: 22px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--bbc-blue);
    color: #fff;
    font-size: 12.5px;
    font-weight: 900;
}
.bbc-materials {
    padding: 14px 16px;
    border: 1px dashed var(--bbc-line-strong);
    border-radius: 10px;
    background: var(--bbc-card-2);
}
.bbc-materials h3 { margin: 0 0 8px; font-size: 14px; font-weight: 800; color: var(--bbc-yellow-deep); }
.bbc-materials ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.bbc-materials li {
    position: relative;
    padding-left: 18px;
    font-size: 13px;
    color: var(--bbc-muted);
}
.bbc-materials li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--bbc-blue);
    font-weight: 900;
}

/* ---------- 结果列 ---------- */
.bbc-result-col { display: grid; gap: 14px; position: sticky; top: 16px; }
.bbc-rh-sub { font-size: 13px; font-weight: 700; color: var(--bbc-blue); }

.bbc-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.bbc-kpi {
    padding: 12px 14px;
    border: 1px solid var(--bbc-line);
    border-radius: 12px;
    background: var(--bbc-card);
    display: grid;
    gap: 2px;
}
.bbc-kpi span { font-size: 12px; color: var(--bbc-muted); font-weight: 700; }
.bbc-kpi b { font-size: 20px; font-weight: 900; color: var(--bbc-text); line-height: 1.2; font-variant-numeric: tabular-nums; }
.bbc-kpi small { font-size: 11px; color: var(--bbc-muted); }

.bbc-mini-card {
    padding: 16px 18px;
    border: 1px solid var(--bbc-line);
    border-radius: 12px;
    background: var(--bbc-card);
}
.bbc-mini-card h3 { margin: 0 0 10px; font-size: 15px; font-weight: 800; color: var(--bbc-blue-deep); }
.bbc-detail { width: 100%; border-collapse: collapse; }
.bbc-detail td {
    padding: 6px 0;
    border-bottom: 1px dashed var(--bbc-line);
    font-size: 13px;
    color: var(--bbc-muted);
}
.bbc-detail td:last-child { text-align: right; color: var(--bbc-text); font-weight: 700; font-variant-numeric: tabular-nums; }
.bbc-detail tr:last-child td { border-bottom: none; }
.bbc-result-foot { margin: 0; font-size: 12px; color: var(--bbc-muted); }

/* ---------- 三种办理对比 ---------- */
.bbc-compare { margin-bottom: 28px; }
.bbc-section-head { margin: 0 0 14px; }
.bbc-section-kicker {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--bbc-blue-deep);
    opacity: 0.85;
}
.bbc-section-head h2 { margin: 4px 0 2px; font-size: 22px; font-weight: 900; }
.bbc-section-head p { margin: 0; font-size: 13px; color: var(--bbc-muted); }
.bbc-cmp-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.bbc-cmp-card {
    position: relative;
    padding: 18px 18px 16px;
    border: 1px solid var(--bbc-line);
    border-radius: 12px;
    background: var(--bbc-card);
    overflow: hidden;
    box-shadow: var(--bbc-shadow);
}
.bbc-cmp-card::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--bbc-blue) 0 70%, var(--bbc-yellow) 70% 100%);
    opacity: 0.5;
}
.bbc-cmp-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; }
.bbc-cmp-card p { margin: 0; font-size: 13px; color: var(--bbc-muted); }

/* ---------- 申诉三步 ---------- */
.bbc-appeal { margin-bottom: 28px; }
.bbc-appeal-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.bbc-appeal-card {
    padding: 18px;
    border: 1px solid var(--bbc-line);
    border-radius: 12px;
    background: var(--bbc-card);
    box-shadow: var(--bbc-shadow);
}
.bbc-appeal-no {
    display: inline-block;
    padding: 3px 10px;
    margin-bottom: 8px;
    border-radius: 3px;
    background: var(--bbc-yellow-soft);
    color: var(--bbc-yellow-deep);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
}
.bbc-appeal-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; }
.bbc-appeal-card p { margin: 0; font-size: 13px; color: var(--bbc-muted); }

/* ---------- FAQ ---------- */
.bbc-faq { margin-bottom: 28px; }
.bbc-faq .faq-item { border-color: var(--bbc-line); background: var(--bbc-card); }
.bbc-faq .faq-item summary { color: var(--bbc-text); }
.bbc-faq .faq-a { color: var(--bbc-muted); }
.bbc-comments { margin-bottom: 28px; }

/* ---------- 返回顶部 ---------- */
.bbc-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px; height: 44px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(170deg, var(--bbc-blue) 0%, var(--bbc-blue-deep) 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: 0 6px 16px rgba(15, 90, 120, 0.3);
    z-index: 60;
}
.bbc-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .bbc-hero { grid-template-columns: 1fr 1fr; }
    .bbc-hero-readout { grid-column: 1 / -1; }
    .bbc-calc { grid-template-columns: 1fr; }
    .bbc-result-col { position: static; }
    .bbc-cmp-grid { grid-template-columns: repeat(2, 1fr); }
    .bbc-appeal-steps { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .bbc-hero { grid-template-columns: 1fr; padding: 22px 18px; }
    .bbc-grid3 { grid-template-columns: 1fr; }
    .bbc-steps-grid { grid-template-columns: 1fr; }
    .bbc-cmp-grid { grid-template-columns: 1fr; }
    .bbc-actions .bbc-btn { flex: 1 1 46%; }
}