:root {
  --blue: #0866e9;
  --blue-deep: #0753be;
  --ink: #182d45;
  --muted: #647385;
  --line: #dfe7ed;
  --soft: #f4f8fc;
  --teal: #087b70;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #f0ad38; outline-offset: 5px; }
img { max-width: 100%; }
svg { display: block; }
.wrap { width: min(var(--max), calc(100% - 64px)); margin-inline: auto; }
.symbol { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip { position: fixed; top: -60px; left: 16px; z-index: 100; padding: 10px 14px; color: #fff; background: var(--blue); }
.skip:focus { top: 10px; }
[hidden] { display: none !important; }

body > header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .95); backdrop-filter: blur(14px); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 78px; }
.brand { display: flex; align-items: center; gap: 11px; font-size: 23px; font-weight: 750; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; color: #fff; background: var(--blue); }
.brand-mark svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.domain { display: block; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 32px; font-size: 14px; }
.nav-links > a:not(.btn):hover { color: var(--blue); }
.menu { display: none; padding: 8px; border: 0; color: var(--ink); background: transparent; }
.menu svg { width: 24px; height: 24px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 22px; border: 1px solid transparent; border-radius: 6px; color: #fff; background: var(--blue); font-size: 14px; font-weight: 650; line-height: 1.4; text-align: center; transition: background .2s, transform .2s, border-color .2s; }
.btn:hover { background: var(--blue-deep); transform: translateY(-2px); }
.btn svg, .text-link svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn.secondary { color: var(--ink); border-color: #cbd9e6; background: #fff; }
.btn.secondary:hover { color: var(--blue); border-color: var(--blue); }
.nav .btn { min-height: 40px; padding: 8px 17px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 700; }
.text-link:hover { color: var(--blue-deep); }

.hero { position: relative; overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); background: #f7fbff; }
.hero-inner { position: relative; z-index: 2; min-height: 470px; padding: 66px 0 58px; pointer-events: none; }
.hero-copy { max-width: 580px; pointer-events: auto; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--teal); font-size: 12px; font-weight: 650; }
.eyebrow::before { width: 6px; height: 6px; border-radius: 50%; content: ""; background: var(--teal); }
.hero h1 { margin: 16px 0 14px; font-size: 74px; font-weight: 760; line-height: 1.18; }
.hero h1 span { color: var(--blue); }
.hero-sub { margin: 0 0 16px; font-size: 25px; font-weight: 650; }
.lead { max-width: 430px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; }
.hero-art { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.flow { stroke-dasharray: 8 14; animation: flow 18s linear infinite; }
.orbit { transform-origin: 900px 245px; animation: orbit 55s linear infinite; }
.signal { transform-origin: 900px 245px; animation: signal 3s ease-out infinite; }
.signal.s2 { animation-delay: 1s; }
.signal.s3 { animation-delay: 2s; }
.beam { stroke-dasharray: 70 450; animation: flow 9s linear infinite; }
.beam-delayed { animation-delay: -4s; }
.art-node { animation: node 4s ease-in-out infinite; }
.art-node:nth-of-type(2n) { animation-delay: -2s; }
@keyframes flow { to { stroke-dashoffset: -520; } }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes signal { 0% { opacity: .55; transform: scale(.84); } 100% { opacity: 0; transform: scale(1.25); } }
@keyframes node { 50% { opacity: .55; } }

.operator-band { border-bottom: 1px solid var(--line); background: #fff; }
.operators { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 0; }
.operator-label { color: var(--muted); font-size: 12px; }
.operator { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 650; white-space: nowrap; }
.operator i { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid currentColor; border-radius: 50%; font-size: 12px; font-style: normal; }
.telecom { color: #0759b5; }
.mobile { color: #087b70; }
.unicom { color: #c4423d; }
.broadcast { color: #725bb5; }

section { scroll-margin-top: 96px; }
.section { padding: 66px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.kicker { margin: 0 0 8px; color: var(--blue); font-size: 11px; font-weight: 750; letter-spacing: .08em; }
h2 { margin: 0; font-size: 30px; font-weight: 700; line-height: 1.4; }
h3 { line-height: 1.4; }
.sub { margin: 9px 0 0; color: var(--muted); font-size: 14px; }
.head-note { max-width: 250px; margin: 0; color: var(--muted); font-size: 12px; text-align: right; }

.apply-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.apply-card { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 24px; padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.apply-card.web { padding-top: 26px; border-top: 3px solid var(--blue); }
.apply-card.wechat { padding-top: 26px; border-top: 3px solid var(--teal); }
.channel { display: flex; align-items: center; gap: 8px; color: var(--blue); font-size: 11px; font-weight: 750; }
.wechat .channel { color: var(--teal); }
.channel svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.apply-card h3 { margin: 12px 0 8px; font-size: 22px; }
.apply-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.apply-card .btn { width: 100%; min-height: 44px; margin-top: 22px; padding: 10px 15px; font-size: 13px; }
.qr { align-self: center; margin: 0; text-align: center; }
.qr a { display: block; line-height: 0; }
.qr img { width: 150px; height: 150px; padding: 5px; border: 1px solid #e6edf3; background: #fff; object-fit: contain; }
.qr figcaption { margin-top: 9px; color: var(--muted); font-size: 11px; }
.qr-error { display: none; margin: 8px 0 0; color: #a63827; font-size: 12px; }
.qr-error.visible { display: block; }
.qr-caption-mobile { display: none; }
html[data-application-qr="wechat"] [data-application-channel="web"],
html[data-application-qr="browser"] [data-application-channel="wechat"] { display: none; }
html[data-application-qr="wechat"] .application-channels,
html[data-application-qr="browser"] .application-channels { grid-template-columns: minmax(0, 1fr); }
html[data-application-qr="wechat"] .qr-caption-desktop,
html[data-application-qr="browser"] .qr-caption-desktop { display: none; }
html[data-application-qr="wechat"] .qr-caption-mobile,
html[data-application-qr="browser"] .qr-caption-mobile { display: inline; }
.article-apply { margin-top: 42px; padding-top: 32px; border-top: 1px solid var(--line); }
.article-apply > h2 { font-size: 25px; }
.article-apply > .sub { margin-bottom: 24px; line-height: 1.8; }
.application-channels--article .apply-card { grid-template-columns: minmax(0, 1fr); align-content: start; gap: 22px; padding: 22px; text-align: center; }
.application-channels--article .channel { justify-content: center; }
.application-channels--article .apply-card h3 { font-size: 20px; }
.application-channels--article .apply-card .btn { max-width: 260px; margin-inline: auto; }
.application-channels--article .qr a, .application-channels--article .qr img { width: 160px; height: 160px; margin-inline: auto; }
html[data-application-qr="wechat"] .application-channels--article .qr a,
html[data-application-qr="wechat"] .application-channels--article .qr img,
html[data-application-qr="browser"] .application-channels--article .qr a,
html[data-application-qr="browser"] .application-channels--article .qr img { width: 180px; height: 180px; }
.apply-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.apply-meta b { color: var(--teal); font-weight: 650; }

.solutions { border-block: 1px solid var(--line); background: var(--soft); }
.solution-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; }
.solutions .sub { max-width: 340px; line-height: 1.9; }
.type-note { max-width: 355px; margin-top: 25px; padding-left: 15px; border-left: 2px solid #bed0e2; color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 22px; margin-bottom: 22px; border-bottom: 1px solid #ccd9e4; }
.tab { padding: 10px 0 13px; border: 0; border-bottom: 3px solid transparent; border-radius: 0; color: var(--muted); background: transparent; font-size: 14px; white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); font-weight: 700; }
.panel h3 { margin: 0 0 10px; font-size: 22px; }
.panel p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.panel ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; font-size: 13px; }
.panel li::before { display: inline-block; width: 5px; height: 5px; margin: 0 10px 3px 0; content: ""; background: var(--teal); }
.solutions .text-link { margin-top: 22px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 35px; }
.step-number { display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid #bccfe1; color: var(--blue); font-size: 12px; font-weight: 700; }
.step-number span:last-child { color: #9bb1c5; }
.step h3 { margin: 13px 0 7px; font-size: 17px; }
.step p { max-width: 235px; margin: 0; color: var(--muted); font-size: 13px; }

.guide-preview { border-block: 1px solid var(--line); background: #f8fafc; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guide-card { position: relative; min-height: 260px; padding: 23px; border: 1px solid var(--line); border-radius: 8px; background: #fff; transition: border-color .2s, transform .2s, box-shadow .2s; }
.guide-card:hover { border-color: #b7cee5; transform: translateY(-3px); box-shadow: 0 14px 30px rgba(24, 45, 69, .06); }
.guide-card > span, .related-card > span { color: var(--teal); font-size: 11px; font-weight: 750; }
.guide-card h3 { margin: 10px 0 9px; font-size: 18px; }
.guide-card h3 a::after, .guide-card h2 a::after { position: absolute; inset: 0; content: ""; }
.guide-card p { display: -webkit-box; overflow: hidden; margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.8; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.guide-card .text-link { position: absolute; right: 23px; bottom: 20px; left: 23px; }

.tool-preview { border-bottom: 1px solid var(--line); background: #fff; }
.tool-preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tool-preview-card { display: grid; grid-template-columns: 46px minmax(0, 1fr) 20px; align-items: center; gap: 15px; min-height: 108px; padding: 21px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); transition: border-color .2s, transform .2s, background .2s; }
.tool-preview-card:hover { border-color: #a9c9e8; background: #fff; transform: translateY(-2px); }
.tool-preview-card > span { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 7px; color: #fff; background: var(--blue); }
.tool-preview-card svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tool-preview-card > svg { width: 18px; color: var(--blue); }
.tool-preview-card strong { display: block; font-size: 16px; }
.tool-preview-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }

.faq-section { border-top: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 65px; }
.faq-caption { max-width: 270px; margin: 12px 0 20px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 21px 36px 21px 0; font-size: 15px; font-weight: 650; list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; top: 17px; right: 4px; color: var(--blue); content: "+"; font-size: 24px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0 30px 21px 0; color: var(--muted); font-size: 13px; line-height: 1.95; }

.bottom-band { color: #fff; background: var(--blue); }
.bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 36px 0; }
.bottom-inner h2 { font-size: 26px; }
.bottom-inner p { margin: 7px 0 0; color: #d8e8ff; font-size: 13px; }
.bottom-inner .btn { min-width: 174px; color: var(--blue); background: #fff; }
.bottom-inner .btn:hover { background: #edf5ff; }
footer { padding: 29px 0 24px; background: #fff; }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 24px; color: var(--muted); font-size: 12px; }
.footer-brand { color: var(--ink); font-size: 18px; font-weight: 700; }
.footer-top a:hover { color: var(--blue); }
.footer-note { margin: 18px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.8; }
.mobile-cta { display: none; }
.back-to-top { position: fixed; right: 22px; bottom: 24px; z-index: 25; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; width: 48px; height: 48px; padding: 6px; border: 1px solid #cbd9e6; border-radius: 9px; background: #fff; color: var(--blue); box-shadow: 0 3px 15px #182d451a; cursor: pointer; font: inherit; font-size: 11px; }
.back-to-top[hidden] { display: none; }
.back-to-top-rocket { display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif; font-size: 19px; line-height: 1; }
.back-to-top:hover { background: #eff6ff; }
.back-to-top:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
@media (max-width: 760px) { .back-to-top { right: 16px; bottom: calc(84px + env(safe-area-inset-bottom)); } }
@media print { .back-to-top { display: none; } }

.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 30px; padding: 0; color: var(--muted); font-size: 12px; list-style: none; }
.breadcrumbs li { display: flex; gap: 8px; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs b { color: #a6b3bf; font-weight: 400; }
.page-hero { padding: 48px 0 52px; border-bottom: 1px solid var(--line); background: var(--soft); }
.page-hero h1 { max-width: 780px; margin: 0; font-size: 44px; line-height: 1.28; }
.page-hero > .wrap > p:not(.kicker) { max-width: 760px; margin: 18px 0 0; color: var(--muted); font-size: 16px; }
.page-stats { display: flex; align-items: baseline; gap: 9px; margin-top: 32px; }
.page-stats strong { color: var(--blue); font-size: 24px; }
.page-stats span { color: var(--muted); font-size: 12px; }
.page-stats b { align-self: center; width: 1px; height: 22px; margin: 0 16px; background: #cddae5; }
.guide-index-section { min-height: 560px; }
.guide-search { max-width: 780px; margin: 0 auto 36px; }
.guide-search > label { display: block; margin-bottom: 10px; color: var(--ink); font-size: 14px; font-weight: 700; }
.guide-search-field { position: relative; display: flex; align-items: center; border: 1px solid #c7d6e4; border-radius: 9px; background: #fff; box-shadow: 0 8px 24px rgba(24, 45, 69, .05); transition: border-color .2s, box-shadow .2s; }
.guide-search-field:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8, 102, 233, .12), 0 10px 28px rgba(24, 45, 69, .07); }
.guide-search-field > svg { width: 22px; height: 22px; flex: 0 0 auto; margin-left: 17px; fill: none; stroke: #6f8499; stroke-width: 1.8; stroke-linecap: round; }
.guide-search-field input { min-width: 0; width: 100%; height: 58px; padding: 0 14px; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; font-size: 15px; }
.guide-search-field input::placeholder { color: #8b9bab; }
.guide-search-field input::-webkit-search-cancel-button { display: none; }
.guide-search-field button { flex: 0 0 auto; margin-right: 8px; padding: 8px 11px; border: 0; border-radius: 5px; color: var(--blue); background: #edf5ff; font-size: 12px; font-weight: 650; }
.guide-search-field button:hover { background: #deecff; }
.guide-search-meta { display: flex; justify-content: space-between; gap: 18px; margin-top: 9px; color: var(--muted); font-size: 11px; }
#guide-search-status { color: #47637f; font-weight: 650; }
.guide-index-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guide-card-full { min-height: 325px; padding: 30px; }
.guide-card-full .card-number { position: absolute; top: 20px; right: 24px; color: #d8e5f0; font-size: 30px; font-weight: 750; }
.guide-card-full h2 { max-width: 90%; margin: 13px 0 12px; font-size: 21px; }
.guide-card-full p { font-size: 13px; -webkit-line-clamp: 4; }
.guide-search-empty { padding: 72px 20px; border: 1px dashed #c7d6e4; border-radius: 9px; background: var(--soft); text-align: center; }
.guide-search-empty strong { font-size: 22px; }
.guide-search-empty p { margin: 8px 0 22px; color: var(--muted); font-size: 13px; }

.tools-hero { background: linear-gradient(135deg, #f4f8fc, #edf6ff); }
.tools-hero h1 { max-width: 860px; }
.tool-jump { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 27px; }
.tool-jump a { padding: 8px 14px; border: 1px solid #c5d7e8; border-radius: 99px; color: var(--blue); background: rgba(255, 255, 255, .75); font-size: 12px; font-weight: 650; }
.tool-jump a:hover { border-color: var(--blue); background: #fff; }
.tool-section { scroll-margin-top: 90px; border-bottom: 1px solid var(--line); }
.tool-section-soft { background: var(--soft); }
.tool-layout { display: grid; grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr); gap: 72px; align-items: start; }
.tool-intro { position: sticky; top: 112px; }
.tool-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 22px; border-radius: 9px; color: #fff; background: var(--blue); }
.tool-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tool-intro h2 { max-width: 280px; }
.tool-intro > p:not(.kicker) { max-width: 310px; margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.tool-workspace { min-width: 0; padding: 30px; border: 1px solid var(--line); border-radius: 9px; background: #fff; box-shadow: 0 13px 35px rgba(24, 45, 69, .045); }
.tool-progress { height: 4px; margin-bottom: 28px; overflow: hidden; border-radius: 3px; background: #e6eef5; }
.tool-progress span { display: block; width: 25%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--teal), var(--blue)); transition: width .25s; }
.tool-step { margin: 0 0 7px; color: var(--blue); font-size: 11px; font-weight: 750; }
.tool-workspace h3 { margin: 0 0 22px; font-size: 24px; line-height: 1.45; }
.tool-choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.tool-choice-grid button { min-height: 62px; padding: 13px 16px; border: 1px solid #cfdae5; border-radius: 7px; color: var(--ink); background: #fff; font-size: 13px; line-height: 1.5; text-align: left; }
.tool-choice-grid button:hover, .tool-choice-grid button:focus-visible { color: var(--blue); border-color: var(--blue); background: #f5f9ff; }
.tool-back { margin: 21px 0 0; padding: 8px 0; border: 0; color: var(--muted); background: transparent; font-size: 12px; }
.tool-back:hover { color: var(--blue); }
.tool-result { padding: 22px; border-left: 3px solid var(--teal); background: #f4faf9; }
.tool-result .result-label { margin: 0 0 5px; color: var(--teal); font-size: 11px; font-weight: 750; }
.tool-result h3 { margin-bottom: 11px; }
.tool-result > p { margin: 0; color: #43566a; font-size: 13px; line-height: 1.8; }
.tool-result ol, .tool-result ul { display: grid; gap: 8px; margin: 17px 0 0; padding-left: 20px; color: #314b64; font-size: 13px; }
.tool-result .result-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.tool-result .result-actions a, .tool-result .result-actions button { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 14px; border: 1px solid var(--blue); border-radius: 5px; color: var(--blue); background: #fff; font-size: 12px; font-weight: 650; }
.tool-result .result-actions button { border-color: #c7d6e4; color: var(--ink); }
.tool-form { display: block; }
.tool-form fieldset { margin: 0 0 28px; padding: 0; border: 0; }
.tool-form legend { margin-bottom: 11px; font-size: 14px; font-weight: 700; }
.tool-options { display: flex; flex-wrap: wrap; gap: 9px; }
.tool-options label { position: relative; }
.tool-options input { position: absolute; opacity: 0; pointer-events: none; }
.tool-options span { display: block; min-height: 40px; padding: 9px 14px; border: 1px solid #cfdae5; border-radius: 6px; background: #fff; font-size: 12px; }
.tool-options input:checked + span { color: var(--blue); border-color: var(--blue); background: #edf5ff; box-shadow: inset 0 0 0 1px var(--blue); }
.tool-options input:focus-visible + span { outline: 3px solid #f0ad38; outline-offset: 3px; }
.tool-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.tool-checks label { display: flex; align-items: center; gap: 9px; color: #43566a; font-size: 12px; }
.tool-checks input { width: 17px; height: 17px; accent-color: var(--blue); }
.tool-form-error { margin: 12px 0 0; color: #a63827; font-size: 12px; }
.health-result { margin-top: 28px; }
.health-score { display: flex; align-items: baseline; gap: 9px; margin-bottom: 14px; }
.health-score strong { color: var(--blue); font-size: 34px; line-height: 1; }
.health-score span { color: var(--muted); font-size: 12px; }
.health-meter { height: 7px; margin-bottom: 18px; overflow: hidden; border-radius: 6px; background: #dfeae8; }
.health-meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #f0ad38, var(--teal)); }
.speed-form { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 11px; align-items: end; }
.speed-form label > span { display: block; margin-bottom: 7px; color: #43566a; font-size: 11px; font-weight: 650; }
.speed-form input, .speed-form select { width: 100%; height: 43px; padding: 0 10px; border: 1px solid #cbd8e4; border-radius: 5px; color: var(--ink); background: #fff; font: inherit; font-size: 13px; }
.speed-form input:focus, .speed-form select:focus { border-color: var(--blue); outline: 3px solid rgba(8, 102, 233, .12); }
.speed-form .btn { grid-column: 1 / -1; justify-self: start; min-height: 42px; margin-top: 4px; }
.speed-summary { margin: 27px 0 22px; padding: 20px; border-left: 3px solid var(--blue); background: #f5f9ff; }
.speed-summary strong { display: block; font-size: 16px; }
.speed-summary p { margin: 7px 0 0; color: #43566a; font-size: 12px; line-height: 1.8; }
.speed-summary ul { display: grid; gap: 6px; margin: 13px 0 0; padding-left: 18px; color: #43566a; font-size: 12px; }
.speed-records { margin-top: 30px; border-top: 1px solid var(--line); }
.speed-records-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0 12px; }
.speed-records-head strong { font-size: 13px; }
.speed-records-head button { padding: 6px 0; border: 0; color: #9c4034; background: transparent; font-size: 11px; }
.speed-empty { padding: 20px; color: var(--muted); background: var(--soft); font-size: 12px; text-align: center; }
.speed-table-wrap { overflow-x: auto; }
.speed-table-wrap table { width: 100%; border-collapse: collapse; font-size: 11px; }
.speed-table-wrap th, .speed-table-wrap td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.speed-table-wrap th { color: var(--muted); font-weight: 650; }
.speed-table-wrap td { color: #43566a; }
.speed-table-wrap button { padding: 4px; border: 0; color: #9c4034; background: transparent; font-size: 11px; }
.tool-privacy { margin: 13px 0 0; color: var(--muted); font-size: 10px; }
.sr-only-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.tool-related { padding: 45px 0; color: #fff; background: #183b63; }
.tool-related .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.tool-related .kicker { color: #8fc6ff; }
.tool-related h2 { font-size: 25px; }
.tool-related .wrap > div:last-child { display: grid; gap: 9px; min-width: 300px; }
.tool-related a { display: flex; align-items: center; justify-content: space-between; gap: 25px; color: #dceaff; font-size: 12px; }
.tool-related a:hover { color: #fff; }
.tool-related svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }

.article-hero { padding: 42px 0 54px; border-bottom: 1px solid var(--line); background: var(--soft); }
.article-hero .breadcrumbs ol { margin-bottom: 36px; }
.article-category { display: inline-block; padding: 5px 10px; border: 1px solid #bbd8d4; border-radius: 99px; color: var(--teal); background: #fff; font-size: 11px; font-weight: 750; }
.article-hero h1 { max-width: 900px; margin: 15px 0; font-size: 45px; line-height: 1.28; letter-spacing: -.02em; }
.article-lead { max-width: 820px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.article-keyword-link { color: var(--blue); text-decoration: underline; text-decoration-color: #b7cfe8; text-underline-offset: 3px; }
.article-keyword-link:hover { text-decoration-color: currentColor; }
.article-keyword-link:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 23px; color: #7b8998; font-size: 11px; }
.article-layout { display: grid; grid-template-columns: 210px minmax(0, 760px); justify-content: center; gap: 70px; padding-top: 64px; padding-bottom: 78px; }
.article-aside { position: sticky; top: 112px; align-self: start; display: flex; flex-direction: column; gap: 10px; padding-left: 17px; border-left: 2px solid var(--line); color: var(--muted); font-size: 12px; }
.article-aside strong { margin-bottom: 4px; color: var(--ink); font-size: 13px; }
.article-aside a:hover { color: var(--blue); }
.article-aside .aside-apply { display: flex; align-items: center; gap: 7px; margin: 12px 0 0 -19px; padding: 12px 14px; border-left: 2px solid var(--blue); color: var(--blue); background: var(--soft); font-weight: 700; }
.article-aside svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.article-content { min-width: 0; }
.takeaway { padding: 25px 28px; border: 1px solid #cfe0f1; border-top: 3px solid var(--blue); border-radius: 7px; background: #f8fbff; }
.takeaway > p { margin: 0 0 12px; color: var(--blue); font-size: 12px; font-weight: 750; }
.takeaway ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.takeaway li { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; }
.takeaway svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 2px; fill: none; stroke: var(--teal); stroke-width: 2.5; }
.article-section { padding-top: 48px; }
.article-section h2 { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; font-size: 26px; }
.article-section h2 span { color: #a8bdd0; font: 12px Arial, sans-serif; }
.article-section p { margin: 0 0 16px; color: #43566a; font-size: 16px; line-height: 2; }
.checklist { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; margin-top: 52px; padding: 30px; border-radius: 8px; color: #fff; background: #183b63; }
.checklist h2 { font-size: 24px; }
.checklist p:not(.kicker) { margin: 10px 0 0; color: #cbd9e8; font-size: 12px; }
.checklist .kicker { color: #8fc6ff; }
.checklist ul { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 15px; margin: 0; padding: 0; list-style: none; font-size: 12px; }
.checklist li { padding: 8px 10px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 4px; }
.checklist li::before { margin-right: 7px; color: #78d8c6; content: "✓"; }
.article-faq { padding-top: 52px; }
.article-faq h2 { margin-bottom: 20px; }
.notice { margin-top: 42px; padding: 20px 22px; border-left: 3px solid #b3c3d2; background: #f7f9fb; }
.notice strong { font-size: 13px; }
.notice p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.related-section { padding: 62px 0; border-top: 1px solid var(--line); background: var(--soft); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.related-card { position: relative; padding: 24px; border: 1px solid var(--line); background: #fff; }
.related-card h3 { margin: 9px 0; font-size: 18px; }
.related-card h3 a::after { position: absolute; inset: 0; content: ""; }
.related-card p { margin: 0; color: var(--muted); font-size: 12px; }

.not-found { min-height: 64vh; padding: 110px 0; background: var(--soft); }
.not-found h1 { margin: 0 0 13px; font-size: 48px; }
.not-found p:not(.kicker) { max-width: 600px; margin: 0 0 28px; color: var(--muted); }
.not-found .btn { margin-right: 10px; }

.lab-preview { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #f7faff; }
.lab-preview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.lab-preview-card { position: relative; overflow: hidden; min-width: 0; padding: 30px; border: 1px solid #d4e2f0; border-radius: 9px; background: #fff; transition: border-color .2s, transform .2s; }
.lab-preview-card:hover { border-color: #8bb9e7; transform: translateY(-3px); }
.lab-preview-card h3 { margin: 9px 0 12px; font-size: 25px; }
.lab-preview-card > p:not(.kicker) { max-width: 390px; margin: 0 0 23px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.lab-mini-race { display: grid; gap: 12px; max-width: 300px; margin-bottom: 27px; }
.lab-mini-race span { display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: center; gap: 14px; color: #6c8299; font: 10px Arial, sans-serif; }
.lab-mini-race i { display: block; height: 8px; border-radius: 6px; background: #dceaff; }
.lab-mini-race span:nth-child(1) i { width: 28%; background: #a4cbf3; }
.lab-mini-race span:nth-child(2) i { width: 62%; background: #5b9fe7; }
.lab-mini-race span:nth-child(3) i { width: 100%; background: var(--blue); }
.lab-mini-home { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 5px; width: 148px; height: 72px; margin-bottom: 27px; padding: 5px; border: 2px solid #8fb0d2; border-radius: 4px; }
.lab-mini-home > span { border: 1px solid #c3d8e8; background: #dfeff8; }
.lab-mini-home > span:nth-child(2), .lab-mini-home > span:nth-child(4) { background: #ecdfca; }
.lab-mini-home > b { position: absolute; left: 48px; top: 12px; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #85b5e9; border-radius: 50%; color: var(--blue); background: #fff; }
.lab-mini-home svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.lab-tag { display: inline-flex; flex: 0 0 auto; padding: 6px 10px; border: 1px solid #bcd8d2; border-radius: 99px; color: var(--teal); background: #f4fbf8; font-size: 11px; }
.download-presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; margin-bottom: 24px; }
.download-preset { padding: 17px 19px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: #fff; text-align: left; }
.download-preset strong { display: block; font-size: 15px; }
.download-preset small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
.download-preset.selected { border-color: #79ace5; background: #f2f8ff; box-shadow: inset 0 0 0 1px #79ace5; }
.download-controls { display: grid; grid-template-columns: 1fr 90px 1.5fr 1fr; align-items: end; gap: 20px; margin-bottom: 16px; padding: 23px; border: 1px solid var(--line); border-radius: 7px; background: var(--soft); }
.download-controls label, .wifi-controls label { display: grid; min-width: 0; gap: 9px; font-size: 12px; font-weight: 650; }
.download-controls input:not([type="range"]), .download-controls select, .wifi-controls select { display: block; width: 100%; min-width: 0; height: 44px; padding: 9px 11px; border: 1px solid #c7d7e5; border-radius: 5px; color: var(--ink); background: #fff; font: inherit; font-size: 14px; }
.download-controls label:has(input[type="range"]) { grid-template-columns: 1fr auto; gap: 0; }
.download-controls output { color: var(--blue); font: 650 13px Arial, sans-serif; }
.download-controls input[type="range"] { grid-column: 1 / -1; width: 100%; height: 44px; margin: 9px 0 0; accent-color: var(--blue); cursor: pointer; }
.download-controls input:focus-visible, .download-controls select:focus-visible, .wifi-controls select:focus-visible, .wifi-map-svg:focus-visible { outline: 3px solid #f0ad38; outline-offset: 3px; }
.race-lanes { display: grid; gap: 19px; margin-top: 28px; }
.race-lane { --lane-color: #377ed2; padding: 19px 22px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.race-lane:nth-child(2) { --lane-color: #087b70; }
.race-lane:nth-child(3) { --lane-color: #6b70b4; }
.race-lane:nth-child(4) { --lane-color: #0866e9; }
.race-lane-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 12px; }
.race-lane-heading strong { color: var(--lane-color); font-size: 16px; }
.race-lane-heading > span { font-size: 14px; font-weight: 650; }
.race-track { display: grid; grid-template-columns: minmax(0, 1fr) 70px; align-items: center; gap: 16px; }
.race-track progress { display: block; width: 100%; height: 13px; overflow: hidden; border: 0; border-radius: 99px; appearance: none; background: #e9eff6; }
.race-track progress::-webkit-progress-bar { border-radius: 99px; background: #e9eff6; }
.race-track progress::-webkit-progress-value { border-radius: 99px; background: var(--lane-color); }
.race-track progress::-moz-progress-bar { border-radius: 99px; background: var(--lane-color); }
.race-track > span { color: var(--muted); font-size: 11px; text-align: right; }
.race-lane.finished .race-track > span { color: var(--teal); }
.race-lane > p { margin: 9px 0 0; color: var(--muted); font-size: 12px; }
.lab-status { margin: 18px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.decision-actions .btn:disabled { opacity: .55; cursor: default; transform: none; }
.wifi-lab { display: grid; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; gap: 28px; }
.home-wifi-lab { border-block: 1px solid var(--line); background: #f7faff; }
.home-wifi-lab .wifi-observations { background: #fff; }
.wifi-lab-main { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.wifi-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 15px; }
.wifi-controls:has([data-wifi-floor-control]:not([hidden])) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.wifi-map-help { margin: 18px 0 12px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.wifi-map-stack { display: grid; gap: 15px; min-width: 0; }
.wifi-map-svg { display: block; width: 100%; height: auto; border-radius: 6px; touch-action: pan-y; }
.wifi-room-label { fill: #344f66; font: 650 20px -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; paint-order: stroke; stroke: #fff; stroke-width: 4px; stroke-linejoin: round; pointer-events: none; }
.wifi-router-label { fill: #0866e9; font: 650 15px -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif; paint-order: stroke; stroke: #fff; stroke-width: 5px; pointer-events: none; }
.router-marker { cursor: grab; touch-action: none; }
.router-marker:active { cursor: grabbing; }
.wifi-floor-title { margin: 10px 0 0 20px; color: var(--blue); font-size: 12px; font-weight: 700; }
.wifi-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 14px 0 0; font-size: 12px; }
.wifi-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.wifi-legend > span::before { width: 10px; height: 10px; border-radius: 3px; content: ""; }
.wifi-legend .good::before { background: #65a9eb; }
.wifi-legend .fair::before { background: #8fc5b7; }
.wifi-legend .weak::before { background: #e6bb83; }
.wifi-legend small { color: var(--muted); font-size: 11px; }
.wifi-presets { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.wifi-presets .btn { min-height: 40px; padding: 9px 14px; font-size: 12px; }
.wifi-observations { padding: 24px; border: 1px solid #d1e1ef; border-radius: 9px; background: var(--soft); }
.wifi-observations h3 { margin: 8px 0 12px; font-size: 20px; }
.wifi-observations > p:not(.kicker):not(.wifi-summary):not(.region-caption) { color: var(--muted); font-size: 12px; line-height: 1.8; }
.wifi-enclosure { display: flex; align-items: center; gap: 9px; margin-top: 22px; padding: 13px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; cursor: pointer; }
.wifi-enclosure input { width: 16px; height: 16px; margin: 0; accent-color: var(--blue); }
.wifi-room-results { display: grid; gap: 18px; margin: 25px 0; padding: 0; list-style: none; }
.wifi-room-results > li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px 12px; }
.wifi-room-results strong { font-size: 13px; font-weight: 600; }
.wifi-room-results svg { grid-row: 2; grid-column: 1 / -1; width: 100%; height: 8px; }
.wifi-level { padding: 3px 7px; border-radius: 4px; font-size: 11px; }
.wifi-level.good { color: #0753a1; background: #deecfa; }
.wifi-level.fair { color: #0a6656; background: #e0eee9; }
.wifi-level.weak { color: #8b5c20; background: #f5eadb; }
.wifi-summary { padding-top: 17px; border-top: 1px solid #d1dfeb; color: #43566a; font-size: 12px; line-height: 1.9; }
.lab-explanation { max-width: 960px; margin-inline: auto; }
.inline-source { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

.scene-preview { border-top: 1px solid var(--line); background: #f8fbfe; }
.scene-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.scene-card { display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fff; transition: border-color .2s, transform .2s; }
.scene-card:hover { border-color: #91bce7; transform: translateY(-3px); }
.scene-card-top { display: flex; justify-content: space-between; align-items: center; }
.scene-card-top > small { color: #9aafc2; font: 11px Arial, sans-serif; }
.scene-icon { display: grid; place-items: center; flex: 0 0 auto; width: 40px; height: 40px; border: 1px solid #dbe8f4; border-radius: 7px; color: var(--blue); background: var(--soft); }
.scene-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.scene-card h3 { margin: 18px 0 8px; font-size: 20px; }
.scene-card p { flex: 1; margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.scene-card .text-link { font-size: 12px; }
.decision-summary { margin-bottom: 36px; padding: 24px 28px; border: 1px solid #cfe0f1; border-left: 3px solid var(--blue); border-radius: 6px; background: #f8fbff; }
.decision-summary > strong { font-size: 16px; line-height: 1.9; }
.decision-summary > p { margin: 9px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.decision-summary > .text-link { margin-top: 15px; }
.scene-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.scene-detail { min-width: 0; padding: 29px; border: 1px solid var(--line); border-radius: 8px; }
.scene-detail:target { border-color: #8cb8e8; background: #fbfdff; }
.scene-detail > header { display: flex; align-items: flex-start; gap: 15px; }
.scene-detail h2 { font-size: 22px; line-height: 1.6; }
.scene-detail .kicker { margin-bottom: 5px; }
.scene-answer { margin: 22px 0; color: #43566a; font-size: 14px; line-height: 1.95; }
.decision-points { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.decision-points li { display: flex; gap: 8px; color: #43566a; font-size: 13px; line-height: 1.8; }
.decision-points svg { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 3px; fill: none; stroke: var(--teal); stroke-width: 2; }
.scene-reading { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.scene-reading a { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-size: 12px; }
.scene-reading a:hover { text-decoration: underline; }
.scene-reading svg { width: 15px; height: 15px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; }
.scene-detail > .text-link { margin-top: 22px; font-size: 12px; }
.decision-next { margin-top: 48px; padding-top: 35px; border-top: 1px solid var(--line); }
.decision-next h2 { margin-bottom: 22px; font-size: 25px; }
.decision-next > .scene-reading { margin-top: 0; padding-top: 0; border-top: 0; }
.decision-tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.decision-editor { margin: 32px 0 0; color: var(--muted); font-size: 11px; line-height: 1.9; }
.decision-content { max-width: 1040px; }
.decision-content > section { scroll-margin-top: 110px; }
.guide-scene-entry { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 7px 14px; margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.cost-duration { display: flex; align-items: center; gap: 25px; margin-bottom: 25px; }
.cost-duration > label { display: flex; align-items: center; flex: 0 0 auto; gap: 14px; font-size: 14px; font-weight: 650; }
.cost-duration input { width: 100px; }
.cost-duration p { max-width: 500px; margin: 0; color: var(--muted); font-size: 12px; }
.cost-plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.cost-plan { min-width: 0; margin: 0; padding: 25px; border: 1px solid var(--line); border-radius: 8px; background: #f9fbfe; }
.cost-plan legend { padding: 0 9px; color: var(--blue); font-size: 19px; font-weight: 700; }
.cost-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; gap: 19px 16px; }
.cost-field-grid label { display: block; min-width: 0; }
.cost-field-grid label > span { display: block; margin-bottom: 7px; font-size: 12px; }
.cost-field-grid input, .cost-field-grid select, .cost-duration input, .consultation-controls select { display: block; width: 100%; min-width: 0; min-height: 44px; padding: 9px 11px; border: 1px solid #c8d7e5; border-radius: 5px; color: var(--ink); background: #fff; font: inherit; font-size: 14px; }
.cost-duration input { width: 100px; }
.cost-field-grid input:focus, .cost-field-grid select:focus, .cost-duration input:focus, .consultation-controls select:focus, .consultation-copy textarea:focus { outline: 2px solid #8cb8e8; outline-offset: 2px; }
.decision-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 25px; }
.decision-text-button { padding: 9px 3px; border: 0; color: var(--blue); background: transparent; font-size: 13px; }
.decision-text-button:hover { text-decoration: underline; }
.cost-result { margin-top: 30px; padding: 27px; border: 1px solid #c8dfd9; border-radius: 8px; background: #f7fcfa; }
.cost-result h2 { font-size: 24px; }
.cost-conclusion { color: #075f55; font-size: 17px; font-weight: 650; }
.decision-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.decision-table { width: 100%; min-width: 450px; border-collapse: collapse; font-size: 13px; text-align: left; }
.decision-table caption { padding: 13px 17px; color: var(--muted); font-size: 12px; text-align: left; }
.decision-table th, .decision-table td { padding: 12px 17px; border-top: 1px solid var(--line); }
.decision-table thead th { color: #43566a; background: var(--soft); }
.decision-table tbody th { font-weight: 500; }
.decision-table td { white-space: nowrap; }
.decision-method, .decision-faq { margin-top: 48px; }
.decision-method h2, .decision-faq h2 { margin-bottom: 20px; font-size: 26px; }
.decision-method p, .decision-method li { color: #43566a; font-size: 14px; line-height: 1.95; }
.decision-method ol { display: grid; gap: 15px; padding-left: 21px; }
.consultation-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 20px; margin-bottom: 28px; }
.consultation-controls > label { display: grid; gap: 8px; min-width: 210px; font-size: 13px; font-weight: 650; }
.consultation-controls > p { flex: 1; margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.consultation-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; gap: 28px; }
.consultation-group { min-width: 0; margin: 0; padding: 18px 23px; border: 1px solid var(--line); border-radius: 7px; }
.consultation-group > legend { padding: 0 8px; font-size: 17px; font-weight: 700; }
.consultation-item { display: flex; align-items: flex-start; gap: 11px; padding: 17px 0; cursor: pointer; }
.consultation-item + .consultation-item { border-top: 1px solid var(--line); }
.consultation-item > input { width: 17px; height: 17px; flex: 0 0 auto; margin: 3px 0 0; accent-color: var(--blue); }
.consultation-item > span { display: block; }
.consultation-item strong { display: block; margin-bottom: 5px; font-size: 14px; }
.consultation-item [data-consultation-question] { display: block; color: var(--muted); font-size: 13px; line-height: 1.9; }
.consultation-item:has(input:checked) { opacity: .6; }
.consultation-extra { margin-top: 19px; border: 1px solid var(--line); border-radius: 7px; }
.consultation-extra > summary { padding: 18px 21px; font-size: 15px; }
.consultation-extra .consultation-group { border: 0; }
.consultation-extra .consultation-group > legend { font-size: 13px; color: var(--muted); }
.consultation-copy { position: sticky; top: 107px; min-width: 0; padding: 24px; border: 1px solid #cfe0f1; border-radius: 8px; background: #f8fbff; }
.consultation-copy > label { font-size: 17px; font-weight: 700; }
.consultation-copy > p:not(.region-caption) { margin: 8px 0 15px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.consultation-copy textarea { display: block; width: 100%; min-height: 290px; max-height: 500px; padding: 13px; border: 1px solid #c8d7e5; border-radius: 5px; color: #43566a; background: #fff; font: inherit; font-size: 12px; line-height: 1.9; resize: vertical; }
.consultation-copy .btn { width: 100%; margin-top: 16px; padding-inline: 10px; }
.consultation-copy .btn:disabled { cursor: default; opacity: .55; transform: none; }

.region-preview { border-top: 1px solid var(--line); }
.region-preview-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 64px; align-items: start; }
.region-preview-layout > div > .sub { max-width: 270px; }
.region-preview-layout > div > .text-link { margin-top: 22px; }
.region-preview-panel { padding: 25px 28px 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); }
.province-links { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.province-links a { display: flex; align-items: center; justify-content: center; min-height: 38px; padding: 7px 9px; border: 1px solid transparent; border-radius: 5px; color: #43566a; background: #fff; font-size: 13px; text-align: center; transition: color .2s, border-color .2s; }
.province-links a:hover { border-color: #a8c9ed; color: var(--blue); }
.region-examples { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 17px; margin-top: 19px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 12px; }
.region-examples > span { color: var(--muted); }
.region-examples a { color: var(--blue); }
.region-examples a:hover { text-decoration: underline; }
.region-caption { margin: 13px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.region-hero-links { display: flex; flex-wrap: wrap; gap: 15px 28px; margin-top: 26px; }
.region-address { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 64px; }
.address-parts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.address-parts li { padding-left: 15px; border-left: 2px solid #c7dbef; }
.address-parts span { display: block; margin-bottom: 8px; color: var(--blue); font: 12px Arial, sans-serif; }
.address-parts strong { display: block; font-size: 14px; }
.address-parts small { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.region-address-body > p { margin: 25px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.region-reading { display: flex; flex-wrap: wrap; gap: 15px 25px; margin-top: 17px; }
.region-directory { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.region-search { max-width: none; margin: 0 0 30px; }
.region-search > label { font-size: 13px; }
.region-directory-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 36px; align-items: start; }
.region-index { position: sticky; top: 104px; padding: 20px 16px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.region-index > strong { display: block; margin: 0 0 14px 5px; font-size: 13px; }
.region-index .province-links { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
.region-index .province-links a { min-height: 34px; padding: 6px 0; font-size: 12px; }
.region-index > .text-link { margin: 17px 0 0 5px; padding-top: 15px; border-top: 1px solid var(--line); }
.region-results { margin: 0 0 14px; color: var(--muted); font-size: 12px; }
.region-groups { display: grid; gap: 15px; }
.region-group { padding: 23px 25px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.region-group:target { border-color: #86b6e9; box-shadow: 0 0 0 3px rgba(8, 102, 233, .07); }
.region-group-heading { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.region-number { color: #91a8bd; font: 11px Arial, sans-serif; }
.region-group h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; font-size: 21px; }
.region-group h2 small { color: var(--muted); font-size: 11px; font-weight: 400; }
.region-group-count { margin-left: auto; color: var(--muted); font-size: 11px; white-space: nowrap; }
.region-city-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.region-city-list li { border: 1px solid #e8eef4; border-radius: 4px; color: #43566a; background: #f8fafc; font-size: 13px; scroll-margin-top: 120px; }
.region-city-list a { display: block; padding: 6px 12px; border-radius: inherit; color: inherit; }
.region-city-list li:hover, .region-city-list li:focus-within { border-color: var(--blue); color: var(--blue); background: #eaf3ff; }
.region-city-list a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.region-city-list li:target { border-color: var(--blue); color: var(--blue); background: #eaf3ff; }
.region-empty { padding: 48px 20px; border: 1px dashed #c7d6e4; border-radius: 7px; background: #fff; text-align: center; }
.region-empty p { margin: 9px 0 23px; color: var(--muted); font-size: 13px; }
.region-data-note { margin: 23px 0 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.region-next { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 45px; }
.region-next h2 { max-width: 400px; font-size: 26px; }
.region-next-links { display: grid; gap: 14px; }
.region-next-links a { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 13px; }
.region-next-links a:hover { color: var(--blue); }
.region-next-links svg { width: 16px; height: 16px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; }
.article-region-reference { margin-top: 38px; padding: 23px 25px; border: 1px solid #cfe0f1; border-radius: 7px; background: #f8fbff; }
.article-region-reference > strong { font-size: 15px; }
.article-region-reference > p { margin: 9px 0 14px; color: var(--muted); font-size: 13px; line-height: 1.9; }

@media (min-width: 1500px) {
  .hero-inner { min-height: 490px; }
  .hero-art { left: 50%; width: 1500px; transform: translateX(-50%); }
}

@media (max-width: 1000px) {
  .application-channels--article { grid-template-columns: minmax(0, 1fr); }
  .wifi-lab { grid-template-columns: minmax(0, 1fr) 250px; gap: 20px; }
  .wifi-lab-main, .wifi-observations { padding: 20px; }
  .download-controls { gap: 14px; }
  .scene-card { padding: 21px; }
  .scene-detail { padding: 23px; }
  .scene-detail h2 { font-size: 20px; }
  .consultation-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; }
  .region-preview-layout, .region-address { grid-template-columns: 235px minmax(0, 1fr); gap: 30px; }
  .region-preview-panel { padding: 21px; }
  .province-links { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .region-directory-layout { grid-template-columns: 175px minmax(0, 1fr); gap: 22px; }
  .address-parts { gap: 13px; }
  .address-parts strong { font-size: 13px; }
  .hero-art { left: calc(50% - 600px); width: 1200px; opacity: .7; }
  .apply-card { grid-template-columns: 1fr; }
  .qr a, .qr img { width: 164px; height: 164px; margin: auto; }
  .apply-card .btn { max-width: 250px; }
  .solution-layout { gap: 35px; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-index-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { gap: 35px; }
  .nav-links { gap: 20px; }
  .article-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 40px; }
  .tool-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 36px; }
  .speed-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .lab-preview-grid, .wifi-lab { grid-template-columns: 1fr; gap: 19px; }
  .lab-preview-card { padding: 25px; }
  .lab-preview-card h3 { font-size: 23px; }
  .lab-tag { margin-top: 16px; }
  .download-presets { gap: 9px; }
  .download-preset { padding: 14px 10px; }
  .download-preset strong { font-size: 12px; }
  .download-preset small { font-size: 10px; line-height: 1.7; }
  .download-controls { grid-template-columns: 1fr 1fr; gap: 17px; padding: 18px; }
  .race-lane { padding: 17px 16px; }
  .race-lane-heading strong { font-size: 14px; }
  .race-lane-heading > span { font-size: 12px; }
  .race-track { grid-template-columns: minmax(0, 1fr) 57px; gap: 12px; }
  .wifi-lab-main { padding: 18px 12px; }
  .wifi-controls, .wifi-controls:has([data-wifi-floor-control]:not([hidden])) { grid-template-columns: 1fr 1fr; gap: 14px 12px; padding-inline: 6px; }
  .wifi-map-help { padding-inline: 6px; }
  .router-hit-area { r: 56px; }
  .wifi-legend { margin-inline: 6px; }
  .wifi-legend small { flex-basis: 100%; }
  .wifi-presets { gap: 9px; margin-inline: 6px; }
  .wifi-presets .btn { padding-inline: 10px; }
  .wifi-observations { padding: 22px; }
  .wifi-room-results { grid-template-columns: 1fr 1fr; gap: 20px; }
  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .scene-card { padding: 18px 16px; }
  .scene-card h3 { font-size: 18px; }
  .scene-card p { font-size: 12px; }
  .scene-card .text-link { gap: 4px; font-size: 11px; }
  .scene-detail-grid, .decision-tool-grid, .cost-plans, .consultation-layout { grid-template-columns: 1fr; }
  .scene-detail { padding: 23px 20px; }
  .scene-detail h2 { font-size: 21px; }
  .decision-summary { padding: 20px; }
  .decision-summary > strong { font-size: 15px; }
  .decision-content { min-width: 0; }
  .cost-duration { display: block; }
  .cost-duration p { margin-top: 12px; }
  .cost-plan { padding: 20px 17px; }
  .cost-field-grid { gap: 17px 12px; }
  .cost-result { padding: 22px 16px; }
  .decision-actions { gap: 12px; }
  .decision-actions .btn { flex: 1 1 130px; padding-inline: 12px; }
  .cost-conclusion { font-size: 16px; }
  .decision-method h2, .decision-faq h2 { font-size: 24px; }
  .consultation-controls { gap: 13px; }
  .consultation-controls > label { flex-basis: 100%; }
  .consultation-controls > p { margin-bottom: 6px; font-size: 12px; }
  .consultation-copy { position: static; padding: 22px; }
  .consultation-group { padding: 14px 17px; }
  .consultation-copy textarea { min-height: 250px; }
  .region-preview-layout, .region-address, .region-next { grid-template-columns: 1fr; gap: 25px; }
  .region-preview-layout h2 br, .region-address h2 br { display: none; }
  .region-preview-layout > div > .sub { max-width: none; }
  .region-preview-layout > div > .text-link { margin-top: 15px; }
  .region-preview-panel { padding: 18px 15px; }
  .province-links { gap: 6px; }
  .province-links a { padding-inline: 3px; font-size: 12px; }
  .region-examples { gap: 10px 15px; }
  .region-directory-layout { grid-template-columns: 1fr; gap: 22px; }
  .region-index { position: static; padding: 17px 14px; }
  .region-index .province-links { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 4px; }
  .region-index > .text-link { display: none; }
  .region-group { padding: 20px 16px; }
  .region-group-heading { flex-wrap: wrap; gap: 8px; }
  .region-group h2 { gap: 7px; font-size: 20px; }
  .region-group-count { font-size: 10px; }
  .region-city-list { gap: 7px; }
  .region-city-list li { font-size: 12px; }
  .region-city-list a { padding: 6px 10px; }
  .region-search { margin-bottom: 23px; }
  .address-parts { grid-template-columns: 1fr; gap: 17px; }
  .address-parts li { display: grid; grid-template-columns: 25px 1fr; column-gap: 8px; }
  .address-parts span { grid-row: span 2; margin: 4px 0 0; }
  .address-parts small { margin-top: 2px; }
  .region-next h2 { font-size: 24px; }
  .footer-top > span { flex-basis: 100%; }
  .wrap { width: calc(100% - 36px); }
  .nav { height: 68px; }
  .brand { font-size: 21px; }
  .menu { display: block; }
  .nav-links { position: absolute; top: 68px; inset-inline: 0; display: none; align-items: stretch; gap: 15px; padding: 18px; border-bottom: 1px solid var(--line); background: #fff; }
  .nav-links.open { display: flex; flex-direction: column; }
  .nav-links > a { padding: 5px 0; }
  .nav-links .btn { padding: 10px; }
  .hero-inner { min-height: 440px; padding: 43px 0 38px; }
  .hero-art { left: calc(50% - 555px); width: 950px; opacity: .22; }
  .hero h1 { margin-top: 18px; font-size: 56px; }
  .hero-sub { font-size: 21px; }
  .lead { max-width: 390px; font-size: 14px; }
  .hero-actions { gap: 9px; margin-top: 23px; }
  .hero-actions .btn { padding: 12px 17px; font-size: 13px; }
  .operators { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 20px 0; }
  .operator-label { grid-column: 1 / -1; }
  .operator { font-size: 14px; }
  .section { padding: 46px 0; }
  .section-head { display: block; margin-bottom: 23px; }
  h2 { font-size: 26px; }
  .head-note { max-width: none; margin-top: 10px; text-align: left; }
  .apply-grid { grid-template-columns: 1fr; gap: 16px; }
  .apply-card { grid-template-columns: minmax(0, 1fr) 126px; gap: 15px; padding: 20px 18px 22px; }
  .apply-card h3 { font-size: 20px; }
  .apply-card p { font-size: 12px; }
  .qr a, .qr img { width: 126px; height: 126px; }
  .apply-card .btn { gap: 6px; margin-top: 16px; padding: 10px; font-size: 12px; }
  .solution-layout, .faq-layout { grid-template-columns: 1fr; gap: 25px; }
  .solutions .sub, .type-note { max-width: none; }
  .tabs { justify-content: space-between; gap: 0; }
  .tab { font-size: 13px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 25px 22px; margin-top: 25px; }
  .step p { font-size: 12px; }
  .guide-grid, .guide-index-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 235px; }
  .tool-preview-grid { grid-template-columns: 1fr; }
  .tool-preview-card { min-height: 88px; }
  summary { padding-block: 18px; font-size: 14px; }
  .bottom-inner { display: block; padding: 29px 0; }
  .bottom-inner h2 { font-size: 23px; }
  .bottom-inner .btn { margin-top: 19px; }
  footer { padding-bottom: 95px; }
  .footer-top { align-items: start; flex-wrap: wrap; gap: 14px; }
  .footer-note { margin-top: 17px; }
  .mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 15; display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 10px 18px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255, 255, 255, .97); }
  .mobile-cta span { font-size: 12px; font-weight: 650; }
  .mobile-cta small { display: block; color: var(--muted); font-size: 10px; font-weight: 400; }
  .mobile-cta .btn { min-height: 40px; padding: 8px 17px; font-size: 12px; }
  .page-hero { padding: 32px 0 40px; }
  .page-hero h1, .article-hero h1 { font-size: 34px; }
  .page-hero > .wrap > p:not(.kicker), .article-lead { font-size: 14px; }
  .page-stats { flex-wrap: wrap; }
  .page-stats b { margin-inline: 6px; }
  .guide-search { margin-bottom: 27px; }
  .guide-search-field input { height: 54px; font-size: 14px; }
  .guide-search-meta { display: block; }
  #guide-search-help { display: block; margin-top: 3px; }
  .tool-layout { display: block; }
  .tool-intro { position: static; margin-bottom: 25px; }
  .tool-intro h2, .tool-intro > p:not(.kicker) { max-width: none; }
  .tool-icon { width: 46px; height: 46px; margin-bottom: 17px; }
  .tool-workspace { padding: 21px 18px; }
  .tool-choice-grid { grid-template-columns: 1fr; }
  .tool-choice-grid button { min-height: 54px; }
  .tool-options { display: grid; grid-template-columns: 1fr 1fr; }
  .tool-options span { height: 100%; }
  .speed-form { grid-template-columns: 1fr 1fr; }
  .speed-form .btn { width: 100%; }
  .tool-related .wrap { display: block; }
  .tool-related .wrap > div:last-child { min-width: 0; margin-top: 22px; }
  .article-hero { padding: 30px 0 42px; }
  .article-hero .breadcrumbs ol { margin-bottom: 26px; }
  .article-layout { display: block; padding-top: 34px; padding-bottom: 52px; }
  .article-aside { position: static; display: none; }
  .takeaway { padding: 21px; }
  .article-section { padding-top: 38px; }
  .article-section h2 { gap: 10px; font-size: 23px; }
  .article-section p { font-size: 15px; }
  .checklist { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .not-found { padding: 72px 0; }
  .not-found h1 { font-size: 38px; }
}

@media (max-width: 390px) {
  .wrap { width: calc(100% - 28px); }
  .hero h1 { font-size: 50px; }
  .hero-sub { font-size: 19px; }
  .apply-card { grid-template-columns: minmax(0, 1fr) 104px; gap: 12px; }
  .qr a, .qr img { width: 104px; height: 104px; }
  .apply-card h3 { font-size: 18px; }
  .tabs { overflow-x: auto; gap: 18px; justify-content: flex-start; }
  .checklist ul { grid-template-columns: 1fr; }
  .page-stats b { display: none; }
}

.discovery-content { max-width: 980px; }
.discovery-content > section { margin-bottom: 40px; }
.discovery-content p, .discovery-content li { line-height: 1.9; }
.discovery-content p a, .discovery-links a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.discovery-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 30px; padding-left: 20px; }
.wiring-diagram { margin: 24px 0; }
.wiring-diagram svg { display: block; width: 100%; height: auto; }
.wiring-diagram figcaption { color: var(--muted); font-size: 13px; margin-top: 12px; }
@media (max-width: 600px) { .discovery-links { grid-template-columns: 1fr; } }
.solution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 24px; }
.solution-card { display: flex; flex-direction: column; padding: 27px; border: 1px solid #dce5ef; border-radius: 12px; background: #fff; }
.solution-card h3 { font-size: 21px; line-height: 1.5; margin: 15px 0 12px; }
.solution-card h3 a:hover { color: var(--blue); }
.solution-card p { margin: 0 0 18px; color: #4c6176; font-size: 15px; }
.solution-card ul { padding-left: 19px; margin: 0 0 22px; color: #4c6176; font-size: 13px; }
.solution-card .text-link { margin-top: auto; }
.solution-tag { color: #0864bd; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.solution-preview { background: #f5f8fc; }
.solution-filters { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.solution-filters [aria-pressed="true"], .solution-filters [aria-pressed="true"]:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.solution-conditions { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 24px 0; list-style: none; }
.solution-conditions li { border: 1px solid #cbd9e6; border-radius: 5px; padding: 7px 13px; font-size: 14px; }
.solution-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: start; }
.solution-detail-layout .article-section { padding-top: 24px; }
.solution-detail-layout h3 { font-size: 20px; margin: 0 0 13px; }
.solution-step { color: var(--blue); margin-right: 12px; }
.solution-note { padding: 25px; border: 1px solid #cbd9e6; border-radius: 12px; background: #f7faff; }
.solution-note h2 { font-size: 21px; }
.solution-note ol { padding-left: 20px; }
.solution-note li { margin-bottom: 16px; }
.solution-share { border-top: 1px solid #dce5ef; padding-top: 20px; }
.solution-share label { font-weight: 650; font-size: 14px; }
.solution-share textarea { display: block; width: 100%; min-height: 220px; margin: 12px 0; padding: 12px; resize: vertical; font: inherit; font-size: 13px; color: var(--ink); background: #fff; border: 1px solid #cbd9e6; border-radius: 5px; }
.solution-share [role="status"] { font-size: 13px; }
.offer-route { display: flex; flex-wrap: wrap; gap: 20px 36px; border-top: 1px solid #dce5ef; padding-top: 25px; }
.offer-route span { font-size: 14px; }
.offer-route b { color: var(--blue); margin-right: 10px; }
.offer-price { font-size: 24px !important; font-weight: 700; color: var(--blue) !important; }
.solution-card[hidden], .solution-filters[hidden], .solution-share[hidden] { display: none; }
@media (max-width: 900px) {
  .solution-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .solution-detail-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; }
}
@media (max-width: 600px) {
  .solution-grid { grid-template-columns: minmax(0, 1fr); }
  .solution-card { padding: 22px; }
  .offer-preview .section-head { display: block; }
  .offer-preview .section-head > .btn { margin-top: 20px; }
}
@media print {
  .solution-detail header:not(.page-hero), .solution-detail footer, .solution-detail .bottom-band,
  .solution-detail .mobile-cta, .solution-detail .solution-preview, .solution-detail .decision-actions,
  .solution-detail .solution-share { display: none; }
  .solution-detail .solution-detail-layout { display: block; }
  .solution-detail .solution-note { margin-top: 25px; break-inside: avoid; }
  .solution-detail .page-hero, .solution-detail .section { padding: 20px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .signal { display: none; }
}