:root {
    --selector-navy: var(--color-base-content);
    --selector-blue: var(--color-primary);
    --selector-accent: var(--color-primary);
    --selector-line: #dbe4ee;
    --selector-muted: #4a5568;
}

.selector-page-width {
    width: min(1180px, calc(100vw - 2rem));
    margin-inline: auto;
}

.selector-wide-band {
    position: relative;
    left: 50%;
    width: 100vw;
    margin-left: -50vw;
    overflow: hidden;
}

.selector-hero,
.selector-detail-hero {
    min-height: 430px;
    background: linear-gradient(135deg, var(--color-base-content) 0%, #1f5f9d 48%, var(--color-primary) 100%);
    color: white;
}

.selector-hero-grid {
    position: absolute;
    inset: 0;
    opacity: .12;
    background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.selector-hero-content,
.selector-detail-content {
    position: relative;
    z-index: 1;
    padding-block: 2rem 19rem;
}

.selector-kicker,
.selector-data-badge {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.selector-kicker { color: #dbeafe; }
.selector-kicker span,
.selector-data-badge span {
    width: .48rem;
    height: .48rem;
    border-radius: 50%;
    background: #93c5fd;
    box-shadow: 0 0 0 5px rgba(147, 197, 253, .14);
}

.selector-hero h1,
.selector-detail-hero h1 {
    max-width: 920px;
    margin-top: 1.2rem;
    font-size: 48px;
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -.02em;
}

.selector-comparison-title {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .08em .25em;
    font-size: 48px !important;
}
.selector-title-sku { color: white; font-weight: 600; white-space: nowrap; }
.selector-title-rhs { white-space: nowrap; }
.selector-title-vs { color: #bfdbfe; font-weight: 400; }
.selector-multi-title { max-width: 1040px !important; font-size: 48px !important; line-height: 1.1 !important; }

.selector-hero-content > p,
.selector-detail-content > p {
    max-width: 770px;
    margin-top: 1.35rem;
    color: #d8eaf5;
    font-size: 1.05rem;
    line-height: 1.75;
}

.selector-hero-metrics,
.selector-detail-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2.5rem;
    margin-top: 2.2rem;
}

.selector-hero-metrics div,
.selector-detail-stats div { display: grid; gap: .1rem; }
.selector-hero-metrics strong,
.selector-detail-stats strong { color: white; font-size: 1.35rem; font-weight: 600; }
.selector-hero-metrics span,
.selector-detail-stats span { color: #a9c7d9; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }

.selector-form-card,
.selector-inline-switcher {
    position: relative;
    z-index: 3;
    margin-top: -15.5rem;
    padding: 1.65rem;
    border: 1px solid rgba(137, 164, 190, .28);
    border-radius: 16px;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 28px 70px rgba(5, 26, 47, .17);
}

.selector-inline-switcher { margin-bottom: 3.7rem; }

.selector-form-heading,
.selector-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.selector-section-kicker {
    color: var(--color-brand-dark);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.selector-form-heading h2,
.selector-section-heading h2 {
    margin-top: .28rem;
    color: var(--color-ink);
    font-size: clamp(1.45rem, 3vw, 2.15rem);
    font-weight: 600;
    line-height: 1.15;
}

.selector-data-badge {
    padding: .55rem .8rem;
    border: 1px solid #d9e8ef;
    border-radius: 999px;
    color: #476174;
    background: #f4fafc;
    letter-spacing: .05em;
    text-transform: none;
}

.selector-type-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin: 0;
}
.selector-type-filters button {
    padding: .42rem .75rem;
    border: 1px solid #d3e0e9;
    border-radius: 999px;
    color: #50677a;
    background: #f8fbfd;
    font-size: .75rem;
    font-weight: 600;
}
.selector-type-filters button:hover,
.selector-type-filters button.is-active {
    border-color: var(--color-primary);
    color: #1f5f9d;
    background: #ebf5ff;
}

.selector-category-step,
.selector-model-step-heading {
    display: flex;
    align-items: center;
    gap: .85rem;
}
.selector-category-step { justify-content: space-between; padding: .95rem 0 1.2rem; border-bottom: 1px solid #e2e8f0; }
.selector-category-step > div:first-child,
.selector-model-step-heading { display: flex; align-items: center; gap: .75rem; }
.selector-category-step strong,
.selector-model-step-heading strong { display: block; color: #1a202c; font-size: .9rem; font-weight: 600; }
.selector-category-step > div:first-child span:last-child,
.selector-model-step-heading div > span { display: block; margin-top: .12rem; color: #718096; font-size: .75rem; }
.selector-step-number {
    display: grid !important;
    width: 1.8rem;
    height: 1.8rem;
    flex: 0 0 1.8rem;
    place-items: center;
    margin: 0 !important;
    border-radius: 50%;
    color: white !important;
    background: var(--color-primary);
    font-size: .76rem !important;
    font-weight: 600;
    transition: color .15s ease, background .15s ease, box-shadow .15s ease;
}
.selector-category-step.is-pending .selector-step-number,
.selector-model-step.is-pending .selector-step-number { color: #64748b !important; background: #e2e8f0; }
.selector-category-step.is-current .selector-step-number,
.selector-model-step.is-current .selector-step-number { background: var(--color-primary); box-shadow: 0 0 0 4px rgba(49,130,206,.14); }
.selector-category-step.is-done .selector-step-number,
.selector-model-step.is-done .selector-step-number { background: #16a34a; }
.selector-model-step { padding-top: 1.15rem; }
.selector-model-step-heading { margin-bottom: .9rem; }
.selector-model-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.selector-combobox-heading { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.selector-remove-button { color: #718096; font-size: .7rem; }
.selector-remove-button:hover { color: #c53030; text-decoration: underline; }
.selector-form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin-top: 1rem; }
.selector-submit-button { margin-left: auto; }
.selector-add-button,
.selector-swap-button {
    display: inline-flex;
    height: 2.8rem;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: 0 .9rem;
    border: 1px solid #cbd5e0;
    border-radius: 9px;
    color: #2d3748;
    background: #fff;
    font-size: .78rem;
    font-weight: 600;
}
.selector-add-button { border-color: #90cdf4; color: #2b6cb0; background: #ebf8ff; }
.selector-add-button > span { font-size: 1.25rem; line-height: 1; }
.selector-add-button:hover,
.selector-swap-button:hover { border-color: var(--color-primary); color: #2b6cb0; background: #ebf5ff; transform: translateY(-1px); }

.selector-field-label {
    display: block;
    margin-bottom: .45rem;
    color: #465b6e;
    font-size: .78rem;
    font-weight: 600;
}

.selector-combobox { position: relative; min-width: 0; }
.selector-input-shell { position: relative; }
.selector-input-shell > svg {
    position: absolute;
    top: 50%;
    left: .9rem;
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: #698093;
    stroke-width: 1.7;
    transform: translateY(-50%);
}

.selector-input-shell input[type="search"] {
    width: 100%;
    height: 3.2rem;
    padding: 0 1rem 0 2.55rem;
    border: 1px solid #ccd9e5;
    border-radius: 9px;
    outline: none;
    color: var(--color-ink);
    background: #fbfdff;
    font-size: .95rem;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.selector-input-shell input[type="search"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, .12);
}

.selector-options {
    position: absolute;
    z-index: 30;
    top: calc(100% + .35rem);
    right: 0;
    left: 0;
    max-height: 21rem;
    overflow: auto;
    border: 1px solid #cfdeeb;
    border-radius: 10px;
    background: white;
    box-shadow: 0 20px 45px rgba(5, 26, 47, .17);
}

.selector-option {
    display: grid;
    width: 100%;
    padding: .72rem .85rem;
    border: 0;
    border-bottom: 1px solid #edf2f6;
    text-align: left;
    background: white;
    cursor: pointer;
}
.selector-option:hover,
.selector-option[aria-selected="true"] { background: #edf7fc; }
.selector-option-top { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.selector-option strong { color: var(--color-ink); font-size: .9rem; }
.selector-option-meta { margin-top: .15rem; color: #708396; font-size: .74rem; }
.selector-option-type { padding: .15rem .42rem; border-radius: 999px; color: #166487; background: #e9f6fa; font-size: .62rem; font-weight: 600; }
.selector-option-empty { padding: 1rem; color: #708396; font-size: .85rem; }
.selector-swap-button,
.selector-submit-button,
.selector-table-controls button,
.selector-product-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    font-weight: 600;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.selector-swap-button svg,
.selector-submit-button svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.8; }

.selector-submit-button {
    height: 3.2rem;
    gap: .45rem;
    padding-inline: 1.25rem;
    border: 1px solid var(--color-primary);
    color: white;
    background: var(--color-primary);
    box-shadow: 0 12px 25px rgba(49, 130, 206, .2);
}
.selector-submit-button:hover { background: #2b6cb0; transform: translateY(-1px); }
.selector-form-note { margin-top: .72rem; color: #718396; font-size: .78rem; }
.selector-form-note.is-error { color: #b42318; }

.selector-section { margin-top: 5rem; }
.selector-section-heading > p { max-width: 470px; color: var(--selector-muted); line-height: 1.65; }
.selector-comparison-grid,
.selector-guide-grid,
.selector-highlight-grid { display: grid; gap: 1rem; }
.selector-comparison-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.selector-comparison-card {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: .55rem;
    padding: 1.25rem;
    border: 1px solid var(--selector-line);
    border-radius: 12px;
    color: var(--color-ink);
    background: white;
    box-shadow: 0 12px 35px rgba(16, 45, 72, .06);
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.selector-comparison-card:hover { border-color: #80b9da; transform: translateY(-2px); box-shadow: 0 18px 42px rgba(16,45,72,.11); }
.selector-comparison-card strong { min-width: 0; overflow-wrap: anywhere; font-size: .92rem; }
.selector-comparison-card strong:last-of-type { text-align: right; }
.selector-comparison-series,
.selector-card-link { grid-column: 1 / -1; }
.selector-comparison-series { color: #74879a; font-size: .72rem; }
.selector-versus { color: #2798ad; font-size: .66rem; font-weight: 600; }
.selector-card-link { margin-top: .45rem; color: var(--color-brand-dark); font-size: .78rem; font-weight: 600; }

.selector-guide-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.selector-guide-grid article {
    padding: 1.35rem;
    border-top: 3px solid var(--color-primary);
    background: #f6fafc;
}
.selector-guide-grid article > span { color: var(--color-primary); font-size: .75rem; font-weight: 600; }
.selector-guide-grid h3 { margin-top: .65rem; color: var(--color-ink); font-size: 1.05rem; font-weight: 600; }
.selector-guide-grid p { margin-top: .55rem; color: #617487; font-size: .87rem; line-height: 1.65; }

.selector-category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.selector-category-grid :is(article, a) {
    min-height: 210px;
    display: block;
    padding: 1.3rem;
    border: 1px solid var(--selector-line);
    border-radius: 12px;
    background: linear-gradient(145deg, #fff, #f4f9fc);
    box-shadow: 0 12px 32px rgba(16,45,72,.06);
}
.selector-category-grid a { display: flex; flex-direction: column; color: inherit; border-color: #b9d2e5; cursor: pointer; transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease; }
.selector-category-grid a:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: 0 20px 46px rgba(16,45,72,.16); }
.selector-category-grid :is(article, a) > span { color: var(--color-primary); font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.selector-category-grid h3 { margin-top: .65rem; color: var(--color-ink); font-size: 1.1rem; font-weight: 600; }
.selector-category-grid p { margin-top: .65rem; color: #617487; font-size: .85rem; line-height: 1.65; }
/* CTA pill: makes the hub cards read as clickable at a glance */
.selector-category-grid a > strong {
    display: inline-flex;
    gap: .35rem;
    align-items: center;
    align-self: flex-start;
    margin-top: .95rem;
    padding: .5rem .85rem .5rem .95rem;
    border: 1px solid #bcd7ec;
    border-radius: 999px;
    color: var(--color-brand-dark);
    background: #f2f8fd;
    font-size: .77rem;
    font-weight: 600;
    transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.selector-category-grid a > strong > span { transition: transform .15s ease; }
.selector-category-grid a:hover > strong { border-color: var(--color-brand-dark); color: #ffffff; background: var(--color-brand-dark); }
.selector-category-grid a:hover > strong > span { transform: translateX(3px); }

.selector-three-step-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.selector-decision-panel {
    position: relative;
    overflow: hidden;
    padding: 2rem;
    border: 1px solid #d7e3ed;
    border-radius: 18px;
    background: linear-gradient(145deg, #ffffff 0%, #f7fbfe 100%);
    box-shadow: 0 20px 50px rgba(16, 45, 72, .08);
}
.selector-decision-panel::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-primary), #35a7b8);
    content: "";
}
.selector-decision-heading { max-width: none; }
.selector-decision-heading h2 {
    margin-top: .3rem;
    color: var(--color-ink);
    font-size: clamp(1.55rem, 2vw, 2rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -.02em;
    overflow-wrap: anywhere;
    text-wrap: balance;
}
.selector-decision-sku { white-space: nowrap; }
.selector-decision-heading p {
    max-width: 760px;
    margin-top: .65rem;
    color: var(--selector-muted);
    font-size: .92rem;
    line-height: 1.65;
}
.selector-decision-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .9rem;
    margin-top: 1.45rem;
    padding: 0;
    list-style: none;
}
.selector-decision-grid li {
    display: grid;
    grid-template-columns: 2.15rem minmax(0, 1fr);
    align-content: start;
    gap: .8rem;
    min-width: 0;
    padding: 1.15rem;
    border: 1px solid #dce7ef;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(16, 45, 72, .045);
}
.selector-decision-number {
    display: grid;
    width: 2.15rem;
    height: 2.15rem;
    place-items: center;
    border-radius: 8px;
    color: var(--color-brand-dark);
    background: #eaf4fb;
    font-size: .72rem;
    font-weight: 600;
}
.selector-decision-grid h3 {
    color: var(--color-ink);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.35;
}
.selector-decision-grid p {
    margin-top: .42rem;
    color: #5f7386;
    font-size: .84rem;
    line-height: 1.6;
}
.selector-decision-final-check {
    display: flex;
    align-items: baseline;
    gap: .7rem 1rem;
    margin-top: .9rem;
    padding: .82rem 1rem;
    border: 1px solid #cae3ef;
    border-radius: 10px;
    color: #445d70;
    background: #eef8fc;
    font-size: .82rem;
    line-height: 1.5;
}
.selector-decision-final-check strong { flex: 0 0 auto; color: #0b5679; font-weight: 600; }
.selector-review-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.selector-review-grid article,
.selector-data-note {
    padding: 1.5rem;
    border: 1px solid var(--selector-line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .05);
}
.selector-review-grid h3 { color: #1a202c; font-size: 1.05rem; font-weight: 600; }
.selector-review-grid ul { display: grid; gap: .55rem; margin-top: .85rem; color: #4a5568; font-size: .86rem; line-height: 1.55; }
.selector-review-grid li { position: relative; padding-left: 1.15rem; }
.selector-review-grid li::before { position: absolute; left: 0; color: var(--color-primary); content: "✓"; font-weight: 600; }
.selector-data-note { display: grid; grid-template-columns: minmax(220px, .55fr) minmax(0, 1fr); gap: 2rem; align-items: center; background: #f7fafc; }
.selector-data-note h2 { margin-top: .3rem; color: #1a202c; font-size: 1.5rem; font-weight: 600; }
.selector-data-note p { color: #4a5568; line-height: 1.7; }
.selector-faq-list { display: grid; gap: .7rem; }
.selector-faq details { border: 1px solid var(--selector-line); border-radius: 10px; background: #fff; }
.selector-faq summary { padding: 1rem 1.1rem; color: #1a202c; font-weight: 600; cursor: pointer; }
.selector-faq details p { padding: 0 1.1rem 1.1rem; color: #4a5568; font-size: .88rem; line-height: 1.65; }

.selector-detail-hero { min-height: 390px; }
.selector-detail-content { padding-block: 2rem 19rem; }

.selector-highlight-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.selector-highlight-grid article {
    overflow: hidden;
    border: 1px solid var(--selector-line);
    border-radius: 12px;
    background: white;
    box-shadow: 0 14px 36px rgba(16,45,72,.07);
}
.selector-highlight-grid article > span { display: block; padding: .75rem 1rem; color: #2b6cb0; background: #ebf5ff; font-size: .76rem; font-weight: 600; }
.selector-highlight-values { display: grid; }
.selector-highlight-values > div { padding: .85rem 1rem; border-top: 1px solid #e8eff4; }
.selector-highlight-grid strong { color: #496176; font-size: .72rem; }
.selector-highlight-grid p { margin-top: .25rem; color: var(--color-ink); font-size: .91rem; line-height: 1.45; }

.selector-table-heading { align-items: center; }
.selector-table-controls { display: flex; align-items: center; gap: .65rem; }
.selector-table-controls label,
.selector-table-controls button { padding: .52rem .75rem; border: 1px solid #cad9e6; border-radius: 8px; color: #4d6579; background: white; font-size: .78rem; }
.selector-table-controls label { display: inline-flex; gap: .45rem; align-items: center; }
.selector-table-controls button:hover { border-color: #6eacd0; color: var(--color-brand-dark); }

.selector-table-shell {
    overflow: visible;
    border: 1px solid #cddce8;
    border-radius: 14px;
    background: white;
    box-shadow: 0 22px 55px rgba(8, 35, 59, .1);
}
/* Multi-model tables use the same page-scroll sticky header as two-model tables:
   the shell stays overflow:visible (inherited) so the Product ID row sticks to the
   viewport (top: 64px) on page scroll instead of scrolling inside the table. The
   table fits the page width on desktop so there is no horizontal page scroll;
   small screens fall back to horizontal scroll via the responsive block below. */
.selector-table-shell-multi .selector-table { min-width: 0; }
.selector-table { width: 100%; min-width: max(900px, calc(240px + (var(--selector-product-count) * 290px))); border-collapse: collapse; table-layout: fixed; }
.selector-table th,
.selector-table td { padding: .85rem 1rem; border-bottom: 1px solid #e3ebf2; text-align: left; vertical-align: top; }
.selector-table thead th { padding: 1.15rem; color: white; background: var(--color-ink-soft); }
.selector-table thead th:first-child { width: 240px; color: #bfdbfe; vertical-align: middle; }
.selector-table thead th:not(:first-child) { width: calc((100% - 240px) / var(--selector-product-count)); border-left: 1px solid rgba(255,255,255,.12); }
.selector-product-head { display: grid; gap: .3rem; }
.selector-product-image-link { display: block; }
.selector-product-head img,
.selector-image-placeholder { width: 100%; height: 145px; margin-bottom: .65rem; border-radius: 8px; object-fit: contain; background: white; }
.selector-image-placeholder { display: grid; place-items: center; color: var(--color-brand-dark); font-weight: 600; }
.selector-model-link { color: white !important; font-size: 1.05rem !important; font-weight: 600; }
.selector-model-link:hover { color: #9aebf3 !important; text-decoration: underline; }
.selector-model-link--eol, .selector-model-link--eol:hover { cursor: default; color: #fff !important; text-decoration: none !important; }
.selector-product-head span { color: #bfdbfe; font-size: .74rem; font-weight: 400; }
.selector-product-head a { margin-top: .35rem; color: #bfdbfe; font-size: .75rem; }
.selector-product-head .selector-model-link { color: white !important; }
.selector-product-head .selector-product-page-link { color: #bfdbfe; }
.selector-group-row th { padding: .68rem 1rem; color: #0d5c84; background: #eaf5f9; font-size: .73rem; letter-spacing: .08em; text-transform: uppercase; }
.selector-table tbody tr:not(.selector-group-row) > th { color: #344d62; background: #f9fbfd; font-size: .82rem; font-weight: 600; }
.selector-table tbody td { color: #183047; font-size: .84rem; line-height: 1.5; }
.selector-table tbody td + td { border-left: 1px solid #e5edf3; }
.selector-sticky-product-id tr > * {
    position: sticky;
    top: 64px;
    z-index: 8;
    border-bottom: 2px solid #90c9d8 !important;
    color: var(--color-ink-soft) !important;
    background: #e9f7fa !important;
    box-shadow: 0 5px 9px rgba(7, 36, 57, .09);
    font-size: .82rem;
    font-weight: 600;
}
.selector-sticky-product-id td { vertical-align: middle; }
.selector-sticky-product-id a { color: #0d668f; text-decoration: underline; text-decoration-color: rgba(13,102,143,.3); text-underline-offset: 3px; }
.selector-row-different td { background: #fffdf5; }
.selector-main-value { display: block; }
.selector-table small { display: block; margin-top: .35rem; color: #728699; font-size: .7rem; }
.selector-not-listed { color: #8999a8; font-style: italic; }
.selector-missing-flag { display: inline-flex; margin-left: .4rem; padding: .12rem .35rem; border-radius: 999px; color: #8c6514; background: #fff4cc; font-size: .58rem; font-weight: 600; text-transform: uppercase; }
.selector-source-note { margin-top: .8rem; color: #6c7e90; font-size: .76rem; }

.selector-max-note {
    margin-top: .85rem;
    padding: .8rem 1rem;
    border: 1px solid #cfe3f2;
    border-radius: 10px;
    background: #f2f8fd;
    color: #274257;
    font-size: .82rem;
    line-height: 1.55;
}
.selector-max-expert-button {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    margin-top: .35rem;
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-brand-dark);
    font-size: .82rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}
.selector-max-expert-button:hover { color: #0d4f7d; }

/* Merged product header link: image + full PID as one strong first link (SEO: first-link-counts) */
.selector-product-head .selector-model-link { display: block; margin-top: 0; }
.selector-model-link-sku { display: block; margin-top: .1rem; }
/* Series / family commercial-page link (detail header + overview matrix) */
.selector-series-link { text-decoration: underline; text-underline-offset: 2px; }
.selector-matrix-series-link { display: block; color: #4a6b86; font-size: .72rem; text-decoration: underline; text-decoration-color: rgba(74,107,134,.35); text-underline-offset: 2px; }
.selector-matrix-series-link:hover { color: var(--color-brand-dark); }
/* Editorial product links woven into the pair summary (dark hero background) */
.selector-summary-link { color: #bfe9ff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.selector-summary-link:hover { color: #ffffff; }
/* Category hub comparison pagination */
.selector-pagination { display: flex; gap: 1rem; align-items: center; justify-content: center; margin-top: 1.6rem; font-size: .82rem; }
.selector-pagination a { padding: .4rem .7rem; border: 1px solid #cad9e6; border-radius: 8px; color: var(--color-brand-dark); font-weight: 600; text-decoration: none; }
.selector-pagination a:hover { border-color: #6eacd0; background: #f2f8fd; }
.selector-pagination-muted { padding: .4rem .7rem; color: #9fb0bf; }
.selector-pagination-status { color: #4d6579; }

/* ============ Two-step progress indicator (DaisyUI steps look) ============ */
.selector-steps { display: flex; margin: 0 0 1.15rem; padding: 0; list-style: none; }
.selector-step { position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; gap: .4rem; text-align: center; color: #94a3b8; }
.selector-step::before { content: ""; position: absolute; top: .9rem; right: 50%; width: 100%; height: 2px; background: #dbe4ee; z-index: 0; }
.selector-step:first-child::before { display: none; }
.selector-step-badge { position: relative; z-index: 1; display: grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: #e2e8f0; color: #64748b; font-size: .78rem; font-weight: 700; transition: background .15s ease, color .15s ease, box-shadow .15s ease; }
.selector-step-label { font-size: .74rem; font-weight: 600; }
.selector-step.is-current { color: var(--color-brand-dark); }
.selector-step.is-current .selector-step-badge { background: var(--color-primary); color: #fff; box-shadow: 0 0 0 4px rgba(49,130,206,.16); }
.selector-step.is-done { color: #15803d; }
.selector-step.is-done .selector-step-badge { background: #16a34a; color: #fff; }
.selector-step.is-current::before, .selector-step.is-done::before { background: #93c5e4; }

/* ============ Disabled inputs + native-style tooltip hint ============ */
.selector-input-shell.selector-tip { cursor: not-allowed; opacity: .72; }
.selector-input-shell input:disabled { background: transparent; color: #9aa7b4; cursor: not-allowed; pointer-events: none; }
.selector-tip { position: relative; }
.selector-tip::after {
    content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 9px); transform: translateX(-50%);
    padding: .42rem .62rem; border-radius: 8px; background: var(--color-ink-soft); color: #fff; font-size: .72rem; font-weight: 500;
    white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .15s ease; z-index: 25;
}
.selector-tip::before {
    content: ""; position: absolute; left: 50%; bottom: calc(100% + 3px); transform: translateX(-50%);
    border: 5px solid transparent; border-top-color: var(--color-ink-soft); opacity: 0; pointer-events: none; transition: opacity .15s ease; z-index: 25;
}
.selector-tip:hover::after, .selector-tip:hover::before, .selector-tip.is-open::after, .selector-tip.is-open::before { opacity: 1; }

/* ============ Step-2 input highlight (draws the eye after category picked) ============ */
.selector-model-step.is-highlight .selector-input-shell:not(.selector-tip) { box-shadow: 0 0 0 3px rgba(49,130,206,.18); border-radius: 10px; }

/* ============ First-visit comparison guide ============ */
.selector-coach {
    position: absolute;
    z-index: 40;
    top: calc(100% + 12px);
    left: 0;
    display: grid;
    width: min(19rem, calc(100vw - 2rem));
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: .65rem;
    padding: .9rem 2.15rem .85rem .95rem;
    border: 1px solid rgba(147,197,228,.45);
    border-radius: 12px;
    color: white;
    background: #0f2f52;
    box-shadow: 0 20px 44px rgba(8,35,59,.3);
}
.selector-coach[hidden] { display: none; }
.selector-coach::after { position: absolute; bottom: 100%; left: 2rem; border: 8px solid transparent; border-bottom-color: #0f2f52; content: ""; }
/* 首次引导第 1 步锚定到最左的 Switches 按钮（容器左缘），而非最右的 Wireless APs */
.selector-type-filters .selector-coach { left: 0; right: auto; }
.selector-type-filters .selector-coach::after { left: 2rem; right: auto; }
.selector-coach-num { grid-row: 1 / span 2; display: grid; width: 1.55rem; height: 1.55rem; place-items: center; border-radius: 50%; color: white; background: var(--color-primary); font-size: .72rem; font-weight: 700; }
.selector-coach p { grid-column: 2; margin: 0 0 .6rem; font-size: .8rem; line-height: 1.5; }
.selector-coach-actions { grid-column: 2; text-align: right; }
.selector-coach-next { padding: .34rem .82rem; border: 0; border-radius: 999px; color: white; background: var(--color-primary); font-size: .74rem; font-weight: 600; cursor: pointer; }
.selector-coach-next:hover { background: #3e92dc; }
.selector-coach-close { position: absolute; top: .4rem; right: .55rem; padding: 0; border: 0; color: rgba(255,255,255,.72); background: none; font-size: 1.15rem; line-height: 1; cursor: pointer; }
.selector-coach-close:hover { color: white; }

.selector-breadcrumb { padding-block: .9rem; }
.selector-breadcrumb ol { display: flex; min-width: 0; align-items: center; gap: .45rem; overflow: hidden; color: #64748b; font-size: .74rem; white-space: nowrap; }
.selector-breadcrumb li { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.selector-breadcrumb li + li::before { margin-right: .45rem; color: #a0aec0; content: "/"; }
.selector-breadcrumb a { color: #2b6cb0; }
.selector-breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }

.selector-hub-hero {
    min-height: 410px;
    background: linear-gradient(135deg, var(--color-base-content) 0%, #174f7f 52%, var(--color-primary) 100%);
    color: white;
}
.selector-hub-hero-content { position: relative; z-index: 1; padding-block: 2rem 19rem; }
.selector-hub-hero h1 { max-width: 980px; margin-top: 1.1rem; font-size: 48px; font-weight: 600; line-height: 1.08; letter-spacing: -.02em; }
.selector-hub-hero-content > p { max-width: 850px; margin-top: 1.3rem; color: #d8eaf5; font-size: 1.02rem; line-height: 1.72; }

.selector-decision-matrix-shell { overflow: hidden; border: 1px solid #cddce8; border-radius: 16px; background: white; box-shadow: 0 18px 45px rgba(8,35,59,.08); }
.selector-decision-matrix { width: 100%; border-collapse: collapse; table-layout: fixed; }
.selector-decision-col-area { width: 32%; }
.selector-decision-col-fields { width: 25%; }
.selector-decision-col-rule { width: 43%; }
.selector-decision-matrix th,
.selector-decision-matrix td { padding: 1rem 1.1rem; border-bottom: 1px solid #e1eaf1; text-align: left; vertical-align: top; }
.selector-decision-matrix thead th { color: #dbeafe; background: var(--color-ink-soft); font-size: .7rem; font-weight: 600; letter-spacing: .035em; text-transform: uppercase; }
.selector-decision-matrix tbody tr:last-child th,
.selector-decision-matrix tbody tr:last-child td { border-bottom: 0; }
.selector-decision-matrix tbody th { display: flex; gap: .8rem; color: var(--color-ink); background: #f8fbfd; }
.selector-matrix-step { display: grid; width: 2rem; height: 2rem; flex: 0 0 2rem; place-items: center; border-radius: 8px; color: var(--color-brand-dark); background: #e5f3fb; font-size: .72rem; font-weight: 700; }
.selector-matrix-decision { display: grid; gap: .3rem; }
.selector-matrix-decision strong { font-size: .9rem; font-weight: 600; line-height: 1.35; }
.selector-matrix-decision small { color: #667b8d; font-size: .75rem; font-weight: 400; line-height: 1.55; }
.selector-decision-matrix tbody td { color: #526b7f; font-size: .79rem; line-height: 1.6; }
.selector-decision-matrix tbody td:nth-child(2) { color: #184d72; background: #f4faff; font-weight: 600; }

.selector-metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.selector-metric-grid article { padding: 1.2rem; border: 1px solid #d4e2ed; border-radius: 14px; background: white; box-shadow: 0 12px 32px rgba(16,45,72,.055); }
.selector-metric-title { display: flex; align-items: center; gap: .7rem; }
.selector-metric-title > span { display: grid; width: 2rem; height: 2rem; flex: 0 0 2rem; place-items: center; border-radius: 8px; color: var(--color-brand-dark); background: #e5f3fb; font-size: .7rem; font-weight: 700; }
.selector-metric-title h3 { color: var(--color-ink); font-size: .95rem; font-weight: 600; line-height: 1.35; }
.selector-metric-grid article > p { margin-top: .75rem; color: #5d7184; font-size: .8rem; line-height: 1.65; }
.selector-comparison-boundary { display: grid; gap: .28rem; margin-top: .85rem; padding: .75rem .8rem; border-left: 3px solid var(--color-primary); border-radius: 0 8px 8px 0; background: #f0f8fd; }
.selector-comparison-boundary strong { color: var(--color-brand-dark); font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.selector-comparison-boundary span { color: #405d72; font-size: .76rem; line-height: 1.55; }

.selector-overview-shell { overflow-x: auto; border: 1px solid #cddce8; border-radius: 14px; background: white; box-shadow: 0 18px 45px rgba(8,35,59,.08); }
.selector-overview-table { width: 100%; min-width: 1120px; border-collapse: collapse; }
.selector-overview-table th,
.selector-overview-table td { padding: .85rem .9rem; border-bottom: 1px solid #e3ebf2; text-align: left; vertical-align: top; font-size: .78rem; line-height: 1.45; }
.selector-overview-table thead th { color: #dbeafe; background: var(--color-ink-soft); font-size: .7rem; font-weight: 600; letter-spacing: .025em; }
.selector-overview-table thead th:first-child { min-width: 185px; color: white; }
.selector-overview-table tbody th { color: var(--color-ink); background: #f8fbfd; font-weight: 600; }
.selector-overview-table tbody th a { color: var(--color-brand-dark); text-decoration: underline; text-decoration-color: rgba(23,100,154,.25); text-underline-offset: 3px; }
.selector-overview-table tbody th span { display: block; margin-top: .2rem; color: #718096; font-size: .66rem; font-weight: 400; }
.selector-overview-table tbody tr:nth-child(even) td { background: #fbfdff; }

.selector-selection-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 5rem; padding: 1.7rem 1.8rem; border: 1px solid #78b8da; border-radius: 16px; color: white; background: linear-gradient(115deg, var(--color-ink-soft), var(--color-brand-dark) 68%, #2584b5); box-shadow: 0 20px 50px rgba(11,41,66,.18); }
.selector-selection-cta .selector-section-kicker { color: #a5f3fc; }
.selector-selection-cta h2 { max-width: 760px; margin-top: .3rem; font-size: clamp(1.35rem, 2.8vw, 2rem); font-weight: 600; line-height: 1.18; }
.selector-selection-cta p { max-width: 790px; margin-top: .55rem; color: #d7edf7; font-size: .86rem; line-height: 1.65; }
.selector-inquiry-button { display: inline-flex; min-width: 210px; min-height: 3.2rem; flex: 0 0 auto; align-items: center; justify-content: center; gap: .45rem; padding: .7rem 1.05rem; border: 1px solid #a5f3fc; border-radius: 9px; color: var(--color-ink-soft); background: #ecfeff; font-size: .82rem; font-weight: 600; box-shadow: 0 12px 28px rgba(3,24,38,.18); transition: transform .15s ease, background .15s ease; }
.selector-inquiry-button:hover { background: white; transform: translateY(-1px); }

.selector-empty-comparisons { padding: 1.2rem; border: 1px dashed #b7c9d8; border-radius: 12px; color: #617487; background: #f8fbfd; font-size: .86rem; line-height: 1.6; }
.selector-money-funnel { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 2rem; align-items: center; padding: 1.6rem; border: 1px solid var(--selector-line); border-radius: 16px; background: #f5fafe; box-shadow: 0 15px 40px rgba(16,45,72,.06); }
.selector-money-funnel h2 { margin-top: .35rem; color: var(--color-ink); font-size: clamp(1.35rem, 2.8vw, 2rem); font-weight: 600; line-height: 1.18; }
.selector-money-funnel p { margin-top: .6rem; color: #5d7184; font-size: .86rem; line-height: 1.65; }

/* Inquiry conversion banner */
.selector-inquiry-banner { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); flex-wrap: wrap; margin-top: 2.6rem; padding: 1.2rem 1.55rem; border: 1px solid #9ec4ec; border-radius: 16px; background: linear-gradient(118deg, #e4f0fd 0%, #d1e4fb 55%, #c3daf9 100%); box-shadow: 0 16px 38px rgba(22,86,163,.16); }
.selector-inquiry-banner-lead { display: flex; align-items: center; gap: 1rem; }
.selector-inquiry-banner-icon { flex: 0 0 auto; display: grid; place-items: center; width: 50px; height: 50px; border-radius: 13px; background: var(--selector-blue); color: #fff; box-shadow: 0 8px 18px rgba(49,130,206,.36); }
.selector-inquiry-banner-icon svg { width: 28px; height: 28px; display: block; }
.selector-inquiry-banner-headline { display: flex; flex-direction: column; align-items: flex-start; gap: .1rem; line-height: 1.2; }
.selector-inquiry-banner-headline strong { color: var(--color-ink); font-size: 1.06rem; font-weight: 700; }
.selector-inquiry-banner-link { padding: 0; border: 0; background: none; color: #1a67bd; font-size: .96rem; font-weight: 700; cursor: pointer; }
.selector-inquiry-banner-link:hover { text-decoration: underline; }
.selector-inquiry-banner-points { display: flex; align-items: center; margin: 0; padding: 0; list-style: none; }
.selector-inquiry-banner-points li { display: flex; align-items: center; gap: .55rem; padding: 0 clamp(.85rem, 2vw, 1.6rem); color: #2f4d69; font-size: .82rem; font-weight: 500; line-height: 1.28; }
.selector-inquiry-banner-points li + li { border-left: 1px solid #a8c8ea; }
.selector-inquiry-banner-points svg { width: 22px; height: 22px; flex: 0 0 auto; color: var(--selector-blue); }
.selector-inquiry-banner-button { margin-left: auto; display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .6rem 1.6rem; border: 1.5px solid var(--selector-blue); border-radius: 10px; background: var(--selector-blue); color: #fff; font-size: .92rem; font-weight: 700; cursor: pointer; box-shadow: 0 10px 22px rgba(49,130,206,.34); transition: background .15s ease, box-shadow .15s ease, transform .15s ease; }
.selector-inquiry-banner-button:hover { background: #2860a8; box-shadow: 0 13px 27px rgba(40,96,168,.42); transform: translateY(-1px); }
@media (max-width: 880px) {
    .selector-inquiry-banner { flex-direction: column; align-items: stretch; gap: 1.1rem; }
    .selector-inquiry-banner-points { flex-wrap: wrap; row-gap: .7rem; }
    .selector-inquiry-banner-points li:first-child { padding-left: 0; }
    .selector-inquiry-banner-button { margin-left: 0; width: 100%; }
}
.selector-commercial-category-link { display: inline-flex; margin-top: 1rem; color: var(--color-brand-dark); font-size: .84rem; font-weight: 600; }
.selector-commercial-category-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.selector-top-product-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.selector-top-product-links a { display: grid; gap: .16rem; padding: .82rem .9rem; border: 1px solid #d4e2ed; border-radius: 9px; color: var(--color-ink); background: white; transition: border-color .15s ease, transform .15s ease; }
.selector-top-product-links a:hover { border-color: #78b8da; transform: translateY(-1px); }
.selector-top-product-links strong { overflow-wrap: anywhere; font-size: .8rem; }
.selector-top-product-links span { color: #6b7f91; font-size: .68rem; }
.selector-pair-funnel { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.selector-all-comparisons-link { display: inline-flex; margin-top: 1rem; color: var(--color-brand-dark); font-size: .82rem; font-weight: 600; }
.selector-all-comparisons-link:hover { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 980px) {
    .selector-category-step { align-items: flex-start; flex-direction: column; }
    .selector-comparison-grid,
    .selector-highlight-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .selector-guide-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .selector-decision-grid { grid-template-columns: 1fr; }
    .selector-category-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .selector-selection-cta { align-items: flex-start; flex-direction: column; }
    .selector-money-funnel { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    .selector-page-width { width: min(100% - 1rem, 1180px); }
    .selector-hero-content,
    .selector-detail-content,
    .selector-hub-hero-content { padding: 3.75rem .35rem 6.5rem; }
    .selector-hero h1,
    .selector-detail-hero h1,
    .selector-hub-hero h1 { font-size: 2.35rem; }
    .selector-comparison-title,
    .selector-multi-title { font-size: clamp(1.65rem, 8.2vw, 2.35rem) !important; }
    .selector-form-card,
    .selector-inline-switcher { padding: 1rem; margin-top: -3.6rem; border-radius: 12px; }
    .selector-form-heading,
    .selector-section-heading { display: block; }
    .selector-data-badge { margin-top: .8rem; }
    .selector-model-list { grid-template-columns: 1fr; }
    .selector-form-actions > button { width: 100%; }
    .selector-submit-button { margin-left: 0; }
    .selector-comparison-grid,
    .selector-highlight-grid,
    .selector-guide-grid,
    .selector-category-grid { grid-template-columns: 1fr; }
    .selector-review-grid,
    .selector-data-note { grid-template-columns: 1fr; }
    .selector-section { margin-top: 3.6rem; }
    .selector-section-heading > p { margin-top: .65rem; }
    .selector-decision-panel { padding: 1.25rem 1rem 1rem 1.15rem; border-radius: 14px; }
    .selector-decision-heading h2 { font-size: 1.55rem; line-height: 1.2; }
    .selector-decision-grid { gap: .7rem; margin-top: 1.1rem; }
    .selector-decision-grid li { padding: .95rem; }
    .selector-decision-final-check { align-items: flex-start; flex-direction: column; }
    .selector-table-heading { display: block; }
    .selector-table-controls { margin-top: .9rem; }
    .selector-table-shell { overflow-x: auto; }
    .selector-table { min-width: 760px; }
    .selector-table-shell-multi .selector-table { min-width: 760px; }
    .selector-product-head img,
    .selector-image-placeholder { height: 110px; }
    .selector-breadcrumb { padding-block: .7rem; }
    .selector-hub-hero h1 { font-size: 2.25rem; }
    .selector-coach { top: calc(100% + 8px); width: min(18rem, calc(100vw - 2.5rem)); }
    .selector-model-list .selector-coach-stage-2 { top: auto; bottom: calc(100% + 8px); }
    .selector-model-list .selector-coach-stage-2::after { top: 100%; bottom: auto; border-top-color: #0f2f52; border-bottom-color: transparent; }
    .selector-decision-matrix-shell { overflow: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
    .selector-decision-matrix,
    .selector-decision-matrix tbody,
    .selector-decision-matrix tr,
    .selector-decision-matrix th,
    .selector-decision-matrix td { display: block; width: 100%; }
    .selector-decision-matrix thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
    .selector-decision-matrix tbody { display: grid; gap: .8rem; }
    .selector-decision-matrix tbody tr { overflow: hidden; border: 1px solid #cddce8; border-radius: 12px; background: white; box-shadow: 0 10px 28px rgba(8,35,59,.06); }
    .selector-decision-matrix tbody th { padding: .9rem; border-bottom: 1px solid #e1eaf1; }
    .selector-decision-matrix tbody td { padding: .8rem .9rem; border-bottom: 1px solid #e1eaf1; }
    .selector-decision-matrix tbody td::before { display: block; margin-bottom: .35rem; color: var(--color-brand-dark); content: attr(data-label); font-size: .64rem; font-weight: 700; letter-spacing: .035em; text-transform: uppercase; }
    .selector-decision-matrix tbody td:nth-child(2) { background: #f4faff; }
    .selector-decision-matrix tbody tr td:last-child { border-bottom: 0; }
    .selector-metric-grid { grid-template-columns: 1fr; }
    .selector-selection-cta { margin-top: 3.6rem; padding: 1.2rem; }
    .selector-inquiry-button { width: 100%; }
    .selector-top-product-links { grid-template-columns: 1fr; }
}