/* 智能硬件解决方案库页面样式（solution 方案总览 + 10 个详情页共用，统一以 .page-solution 作用域隔离） */
.page-solution {
    --sol-blue: #0194FE;
    --sol-blue-d: #0b6fc4;
    --sol-navy: #0f2b4a;
    --sol-teal: #00a8a8;
    --sol-orange: #e8823a;
    --sol-ink: #1a2a3a;
    --sol-muted: #5a7088;
    --sol-faint: #8899aa;
    --sol-line: #e2ecf5;
    --sol-bg: #f5f9fc;
    --sol-radius: 14px;
    --sol-shadow: 0 8px 28px rgba(15, 43, 74, .08);
    color: var(--sol-ink);
    line-height: 1.7;
    font-size: 15px;
}
.page-solution * { box-sizing: border-box; }
.page-solution a { text-decoration: none; color: inherit; }
.page-solution ul { list-style: none; margin: 0; padding: 0; }
.page-solution h1, .page-solution h2, .page-solution h3, .page-solution h4, .page-solution p { margin: 0; }
.page-solution .sol-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 总览 Hero ===== */
.page-solution .sol-hero {
    position: relative;
    background: linear-gradient(135deg, #0f2b4a 0%, #1a4a7a 42%, #1a73c0 72%, #00a8a8 100%);
    color: #fff;
    padding: 78px 0 66px;
    overflow: hidden;
}
.page-solution .sol-hero::before {
    content: '';
    position: absolute;
    top: -40%; right: -12%;
    width: 640px; height: 640px;
    background: radial-gradient(circle, rgba(0, 168, 168, .3) 0%, transparent 70%);
    border-radius: 50%;
}
.page-solution .sol-hero::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -8%;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(26, 115, 192, .4) 0%, transparent 70%);
    border-radius: 50%;
}
.page-solution .sol-hero .sol-wrap { position: relative; z-index: 2; }
.page-solution .sol-eyebrow {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 20px;
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 22px;
}
.page-solution .sol-hero h1 { font-size: 42px; font-weight: 700; line-height: 1.3; margin-bottom: 16px; letter-spacing: 1px; color: #fff; }
.page-solution .sol-hero h1 span {
    background: linear-gradient(90deg, #7ee8f0, #fff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-solution .sol-hero .lead { font-size: 16px; line-height: 1.9; color: rgba(255, 255, 255, .85); max-width: 760px; }

/* ===== 数据指标 ===== */
.page-solution .sol-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.page-solution .sol-stat {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    padding: 18px 20px;
    backdrop-filter: blur(8px);
}
.page-solution .sol-stat b { display: block; font-size: 30px; font-weight: 700; line-height: 1.2; font-family: 'Courier New', monospace; color: #fff; }
.page-solution .sol-stat b em { font-style: normal; font-size: 18px; color: #7ee8f0; }
.page-solution .sol-stat span { font-size: 13px; color: rgba(255, 255, 255, .72); }

/* ===== 统一接入架构条 ===== */
.page-solution .sol-arch {
    margin-top: 34px;
    background: rgba(255, 255, 255, .94);
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: var(--sol-radius);
    padding: 22px 24px;
    color: var(--sol-ink);
    box-shadow: var(--sol-shadow);
}
.page-solution .sol-arch-title { font-size: 13px; color: var(--sol-faint); margin-bottom: 16px; }
.page-solution .sol-arch-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.page-solution .sol-arch-node {
    position: relative;
    background: var(--sol-bg);
    border: 1px solid var(--sol-line);
    border-radius: 10px;
    padding: 14px 16px;
}
.page-solution .sol-arch-node b { display: block; font-size: 14px; color: var(--sol-blue-d); margin-bottom: 4px; }
.page-solution .sol-arch-node span { font-size: 12.5px; color: var(--sol-muted); line-height: 1.55; }
.page-solution .sol-arch-node:not(:last-child)::after {
    content: '→';
    position: absolute; right: -12px; top: 50%;
    transform: translateY(-50%);
    color: var(--sol-teal); font-size: 18px; font-weight: 700;
    z-index: 1;
}

/* ===== 分区 ===== */
.page-solution .sol-section { padding: 64px 0; }
.page-solution .sol-section.alt { background: #fff; }
.page-solution .sol-section.tint { background: var(--sol-bg); }
.page-solution .sol-head { text-align: center; margin-bottom: 42px; }
.page-solution .sol-tag {
    display: inline-block;
    padding: 5px 15px;
    background: #e8f1fb;
    color: var(--sol-blue);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.page-solution .sol-head h2 { font-size: 30px; font-weight: 700; color: var(--sol-ink); margin-bottom: 12px; }
.page-solution .sol-head h2 span { color: var(--sol-blue); }
.page-solution .sol-head p { font-size: 14.5px; color: var(--sol-muted); max-width: 640px; margin: 0 auto; }

/* ===== 分组矩阵 ===== */
.page-solution .sol-group { margin-bottom: 34px; }
.page-solution .sol-group:last-child { margin-bottom: 0; }
.page-solution .sol-group-label { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.page-solution .sol-group-label .dot { width: 10px; height: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--sol-blue), var(--sol-teal)); }
.page-solution .sol-group-label h3 { font-size: 18px; color: var(--sol-ink); }
.page-solution .sol-group-label .count { font-size: 12px; color: var(--sol-faint); background: var(--sol-bg); border: 1px solid var(--sol-line); border-radius: 20px; padding: 2px 10px; }
.page-solution .sol-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.page-solution .sol-cards.n2 { grid-template-columns: repeat(2, 1fr); }
.page-solution .sol-cards.n3 { grid-template-columns: repeat(3, 1fr); }
.page-solution .sol-card {
    display: flex; flex-direction: column;
    background: #fff;
    border: 1px solid var(--sol-line);
    border-radius: var(--sol-radius);
    overflow: hidden;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.page-solution .sol-card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(1, 148, 254, .12); border-color: var(--sol-blue); }
.page-solution .sol-card-icon {
    height: 112px;
    background: linear-gradient(135deg, #0f2b4a 0%, #1a73c0 58%, #00a8a8 100%);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    overflow: hidden;
}
.page-solution .sol-card-icon::after {
    content: '';
    position: absolute; top: -50%; right: -10%;
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(255, 255, 255, .22) 0%, transparent 68%);
    border-radius: 50%;
}
.page-solution .sol-card-icon svg { width: 48px; height: 48px; stroke: #fff; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; position: relative; z-index: 1; }
.page-solution .sol-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.page-solution .sol-card-body h4 { font-size: 16px; color: var(--sol-ink); margin-bottom: 6px; }
.page-solution .sol-card-body p { font-size: 13px; color: var(--sol-muted); flex: 1; line-height: 1.65; }
.page-solution .sol-card-more { font-size: 12.5px; color: var(--sol-blue); margin-top: 12px; }
.page-solution .sol-card:hover .sol-card-more { color: var(--sol-blue-d); }

/* ===== 对比表 ===== */
.page-solution .sol-compare {
    background: #fff;
    border: 1px solid var(--sol-line);
    border-radius: var(--sol-radius);
    overflow: hidden;
}
.page-solution .sol-compare table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.page-solution .sol-compare col.c1 { width: 22%; }
.page-solution .sol-compare col.c2 { width: 39%; }
.page-solution .sol-compare col.c3 { width: 39%; }
.page-solution .sol-compare th, .page-solution .sol-compare td { padding: 14px 18px; text-align: left; font-size: 13.5px; vertical-align: top; border-bottom: 1px solid var(--sol-line); line-height: 1.65; }
.page-solution .sol-compare thead th { background: var(--sol-navy); color: #fff; font-weight: 600; font-size: 14px; }
.page-solution .sol-compare tbody th { background: var(--sol-bg); color: var(--sol-blue-d); font-weight: 600; }
.page-solution .sol-compare td.bad { color: #9a5b4e; }
.page-solution .sol-compare td.good { color: var(--sol-blue-d); }
.page-solution .sol-compare tbody tr:last-child th, .page-solution .sol-compare tbody tr:last-child td { border-bottom: none; }
.page-solution .sol-note { font-size: 12.5px; color: var(--sol-faint); margin-top: 12px; }

/* ===== CTA 条 ===== */
.page-solution .sol-cta-band {
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    background: linear-gradient(135deg, #eef6ff, #e6f8f8);
    border: 1px solid var(--sol-line);
    border-radius: var(--sol-radius);
    padding: 28px 30px;
}
.page-solution .sol-cta-band h3 { font-size: 19px; color: var(--sol-ink); margin-bottom: 5px; }
.page-solution .sol-cta-band p { font-size: 13.5px; color: var(--sol-muted); max-width: 720px; }
.page-solution .sol-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--sol-blue), var(--sol-teal));
    color: #fff !important;
    padding: 12px 28px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: transform .22s ease, box-shadow .22s ease;
    border: none;
    cursor: pointer;
}
.page-solution .sol-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(1, 148, 254, .3); }
.page-solution .sol-btn.ghost { background: #fff; color: var(--sol-blue) !important; border: 1px solid var(--sol-blue); }
.page-solution .sol-btn.ghost:hover { background: var(--sol-bg); box-shadow: none; }

/* ===== 详情：面包屑 ===== */
.page-solution .sol-breadcrumb { font-size: 13px; color: var(--sol-faint); padding: 22px 0 0; }
.page-solution .sol-breadcrumb a { color: var(--sol-blue); }
.page-solution .sol-breadcrumb a:hover { text-decoration: underline; }

/* ===== 详情 Hero ===== */
.page-solution .sol-dhero { padding: 22px 0 36px; }
.page-solution .sol-dhero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: center; }
.page-solution .sol-dcrumb-tag {
    display: inline-block;
    font-size: 12.5px;
    color: var(--sol-blue-d);
    background: #e8f1fb;
    padding: 4px 13px;
    border-radius: 20px;
    margin-bottom: 14px;
}
.page-solution .sol-dhero h1 { font-size: 34px; color: var(--sol-ink); margin-bottom: 12px; line-height: 1.35; }
.page-solution .sol-dhero .slogan { font-size: 15.5px; color: var(--sol-muted); margin-bottom: 18px; line-height: 1.8; }
.page-solution .sol-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.page-solution .sol-chip { font-size: 12.5px; background: #fff; border: 1px solid var(--sol-line); border-radius: 20px; padding: 5px 13px; color: var(--sol-blue-d); }
.page-solution .sol-dhero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.page-solution .sol-figure {
    position: relative;
    background: linear-gradient(135deg, #0f2b4a 0%, #1a73c0 58%, #00a8a8 100%);
    border-radius: var(--sol-radius);
    min-height: 300px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: #fff;
    overflow: hidden;
    box-shadow: var(--sol-shadow);
    padding: 28px;
}
.page-solution .sol-figure::before {
    content: '';
    position: absolute; top: -40%; right: -18%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, .2) 0%, transparent 70%);
    border-radius: 50%;
}
.page-solution .sol-figure svg { width: 118px; height: 118px; stroke: #fff; stroke-width: 1.4; fill: none; stroke-linecap: round; stroke-linejoin: round; position: relative; z-index: 1; }
.page-solution .sol-figure-label { position: relative; z-index: 1; margin-top: 18px; font-size: 14px; letter-spacing: 1px; color: rgba(255, 255, 255, .9); }
.page-solution .sol-figure-sub { position: relative; z-index: 1; margin-top: 4px; font-size: 12px; color: rgba(255, 255, 255, .62); }

/* ===== 详情区块 ===== */
.page-solution .sol-body { padding-bottom: 34px; }
.page-solution .sol-dsection {
    background: #fff;
    border: 1px solid var(--sol-line);
    border-radius: var(--sol-radius);
    padding: 26px 28px;
    margin-bottom: 18px;
}
.page-solution .sol-dsection h2 {
    font-size: 18px;
    color: var(--sol-ink);
    margin-bottom: 16px;
    display: flex; align-items: center; gap: 10px;
}
.page-solution .sol-dsection h2::before {
    content: '';
    width: 5px; height: 18px;
    background: linear-gradient(180deg, var(--sol-blue), var(--sol-teal));
    border-radius: 3px;
}
.page-solution .sol-dsection .desc { color: var(--sol-muted); font-size: 14px; margin-bottom: 16px; line-height: 1.85; }

/* 硬件清单 */
.page-solution .sol-hw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.page-solution .sol-hw-item { background: var(--sol-bg); border: 1px solid var(--sol-line); border-radius: 10px; padding: 14px 16px; }
.page-solution .sol-hw-item b { display: block; font-size: 14px; color: var(--sol-blue-d); margin-bottom: 5px; }
.page-solution .sol-hw-item span { font-size: 12.5px; color: var(--sol-muted); line-height: 1.6; }

/* 联动流程 */
.page-solution .sol-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.page-solution .sol-flow-step {
    position: relative;
    background: #fff;
    border: 1px solid var(--sol-line);
    border-radius: 10px;
    padding: 16px 16px 14px;
    box-shadow: 0 4px 14px rgba(15, 43, 74, .05);
}
.page-solution .sol-flow-step .no { display: block; font-family: 'Courier New', monospace; font-size: 12px; font-weight: 700; color: var(--sol-orange); margin-bottom: 5px; }
.page-solution .sol-flow-step b { display: block; font-size: 14px; color: var(--sol-ink); margin-bottom: 5px; }
.page-solution .sol-flow-step span { font-size: 12.5px; color: var(--sol-muted); line-height: 1.6; }
.page-solution .sol-flow-step:not(:last-child)::after {
    content: '→';
    position: absolute; right: -12px; top: 50%;
    transform: translateY(-50%);
    color: var(--sol-teal); font-size: 16px; font-weight: 700;
}

/* 双栏功能 */
.page-solution .sol-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.page-solution .sol-dual-col { border: 1px solid var(--sol-line); border-radius: 10px; padding: 18px 20px; }
.page-solution .sol-dual-col.sys { background: var(--sol-bg); }
.page-solution .sol-dual-col.user { background: #fff7f0; border-color: #f3dcc8; }
.page-solution .sol-dual-col h3 { font-size: 15px; margin-bottom: 10px; }
.page-solution .sol-dual-col.sys h3 { color: var(--sol-blue-d); }
.page-solution .sol-dual-col.user h3 { color: #b8642b; }
.page-solution .sol-flist li { font-size: 13.5px; padding: 8px 0 8px 20px; position: relative; border-top: 1px dashed var(--sol-line); color: var(--sol-ink); line-height: 1.65; }
.page-solution .sol-flist li:first-child { border-top: none; }
.page-solution .sol-flist li::before { content: ''; position: absolute; left: 2px; top: 15px; width: 7px; height: 7px; border-radius: 50%; background: var(--sol-blue); }
.page-solution .sol-dual-col.user .sol-flist li::before { background: var(--sol-orange); }

/* 模块对接表 */
.page-solution .sol-mod-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 13.5px; }
.page-solution .sol-mod-table col.m1 { width: 22%; }
.page-solution .sol-mod-table col.m2 { width: 52%; }
.page-solution .sol-mod-table col.m3 { width: 26%; }
.page-solution .sol-mod-table th, .page-solution .sol-mod-table td { padding: 11px 14px; border: 1px solid var(--sol-line); text-align: left; vertical-align: top; line-height: 1.65; }
.page-solution .sol-mod-table thead th { background: var(--sol-blue-d); color: #fff; font-weight: 600; }
.page-solution .sol-mod-table tbody tr:nth-child(even) { background: var(--sol-bg); }
.page-solution .sol-mod-table td:first-child { font-weight: 600; color: var(--sol-blue-d); }

/* 通讯方案选型 */
.page-solution .sol-comm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.page-solution .sol-comm-item { border: 1px solid var(--sol-line); border-radius: 10px; padding: 18px 20px; background: #fff; }
.page-solution .sol-comm-item .c-tag { display: inline-block; font-size: 12px; color: var(--sol-teal); background: rgba(0, 168, 168, .08); border: 1px solid rgba(0, 168, 168, .25); border-radius: 12px; padding: 2px 10px; margin-bottom: 10px; }
.page-solution .sol-comm-item > b { display: block; font-size: 15px; color: var(--sol-ink); margin-bottom: 6px; }
.page-solution .sol-comm-item dt { font-size: 12px; color: var(--sol-faint); margin-top: 9px; }
.page-solution .sol-comm-item dd { margin: 2px 0 0; font-size: 13px; color: var(--sol-ink); line-height: 1.65; }
.page-solution .sol-comm-item .c-link { display: inline-block; margin-top: 12px; font-size: 12.5px; color: var(--sol-blue); }
.page-solution .sol-comm-item .c-link:hover { color: var(--sol-blue-d); text-decoration: underline; }

/* 价值卡 */
.page-solution .sol-val-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.page-solution .sol-val-card { border: 1px solid var(--sol-line); border-radius: 10px; padding: 18px 20px; background: #fff; }
.page-solution .sol-val-card .v-num { font-size: 20px; font-weight: 700; color: var(--sol-blue-d); margin-bottom: 7px; }
.page-solution .sol-val-card b { display: block; font-size: 14px; color: var(--sol-ink); margin-bottom: 5px; }
.page-solution .sol-val-card p { font-size: 12.5px; color: var(--sol-muted); line-height: 1.65; }

/* 场景与配置 */
.page-solution .sol-scen-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.page-solution .sol-cfg-list li { font-size: 13.5px; padding: 9px 0 9px 20px; position: relative; border-top: 1px dashed var(--sol-line); color: var(--sol-ink); line-height: 1.7; }
.page-solution .sol-cfg-list li:first-child { border-top: none; }
.page-solution .sol-cfg-list li::before { content: '◆'; position: absolute; left: 0; top: 12px; color: var(--sol-blue); font-size: 10px; }

/* 详情底部翻页 */
.page-solution .sol-pager { display: flex; justify-content: space-between; gap: 14px; margin: 20px 0; }
.page-solution .sol-pager a {
    flex: 1;
    background: #fff;
    border: 1px solid var(--sol-line);
    border-radius: 10px;
    padding: 15px 20px;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.page-solution .sol-pager a:hover { border-color: var(--sol-blue); box-shadow: 0 8px 22px rgba(1, 148, 254, .1); }
.page-solution .sol-pager .dir { font-size: 12px; color: var(--sol-faint); }
.page-solution .sol-pager .ttl { font-size: 14.5px; color: var(--sol-blue-d); font-weight: 600; }
.page-solution .sol-pager .next-box { text-align: right; }

/* 相关推荐 */
.page-solution .sol-rel-title { font-size: 14px; color: var(--sol-muted); margin: 22px 0 12px; }
.page-solution .sol-rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

/* ===== 响应式 ===== */
@media (max-width: 1000px) {
    .page-solution .sol-stats { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-arch-flow,
    .page-solution .sol-flow { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-arch-node:nth-child(2)::after,
    .page-solution .sol-flow-step:nth-child(2)::after { display: none; }
    .page-solution .sol-cards { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-cards.n3 { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-hw-grid { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-comm-grid { grid-template-columns: 1fr; }
    .page-solution .sol-val-grid { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-rel-grid { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-dhero-in { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .page-solution .sol-wrap { padding: 0 15px; }
    .page-solution .sol-hero { padding: 52px 0 44px; }
    .page-solution .sol-hero h1 { font-size: 26px; }
    .page-solution .sol-hero .lead { font-size: 14.5px; }
    .page-solution .sol-stats { grid-template-columns: repeat(2, 1fr); }
    .page-solution .sol-section { padding: 44px 0; }
    .page-solution .sol-head h2 { font-size: 23px; }
    .page-solution .sol-cards.n2,
    .page-solution .sol-cards.n3,
    .page-solution .sol-cards,
    .page-solution .sol-arch-flow,
    .page-solution .sol-flow,
    .page-solution .sol-hw-grid,
    .page-solution .sol-val-grid,
    .page-solution .sol-dual,
    .page-solution .sol-rel-grid { grid-template-columns: 1fr; }
    .page-solution .sol-arch-node::after,
    .page-solution .sol-flow-step::after { display: none; }
    .page-solution .sol-compare { overflow-x: auto; }
    .page-solution .sol-compare table { min-width: 560px; }
    .page-solution .sol-dhero h1 { font-size: 24px; }
    .page-solution .sol-figure { min-height: 210px; }
    .page-solution .sol-figure svg { width: 84px; height: 84px; }
    .page-solution .sol-dsection { padding: 18px 16px; }
    .page-solution .sol-mod-table { min-width: 520px; }
    .page-solution .sol-dsection:has(.sol-mod-table) { overflow-x: auto; }
    .page-solution .sol-pager { flex-direction: column; }
    .page-solution .sol-cta-band { padding: 22px 18px; }
}