/* 产品页（.pd）、方案页（.ps）、总览页（.po 产品中心 / .so 解决方案）。
   基础样式复用 platform-page.css 的 .pf。 */
.pf-btn--dark{background:var(--pf-ink);border-color:var(--pf-ink);color:#fff!important}
.pf-btn--dark:hover{background:#173a63}
.pf-btn--line{border-color:#b9c7d8;color:var(--pf-ink)!important}
.pf-btn--line:hover{background:#f6fbfe}
.pd-link{display:inline-flex;gap:8px;margin-top:28px;color:var(--pf-blue)!important;font-size:16px}
.pd-link:hover{text-decoration:underline!important}
.pd-link--light{color:var(--pf-blue)!important}
.pd-eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--pf-blue);font-size:15px;letter-spacing:.1em}
.pd-eyebrow::before{content:'';width:28px;height:1px;background:currentColor}
.ps-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.ps-chips span{padding:3px 10px;border-radius:999px;background:#eaf1fb;color:var(--pf-blue);font-size:13px;line-height:1.6}
.pd-grid-1{grid-template-columns:1fr!important}
/* 只有一个方案时横排：左图右文 */
.pd-grid-1 .pf-scene{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);grid-template-rows:1fr auto auto auto 1fr;column-gap:clamp(36px,5vw,88px)}
.pd-grid-1 .pf-scene img{grid-column:1;grid-row:1/-1;aspect-ratio:16/9}
.pd-grid-1 .pf-scene>:not(img){grid-column:2}
.pd-grid-1 .pf-scene strong{grid-row:2;margin-top:0;font-size:clamp(24px,2vw,30px)}
.pd-grid-1 .pf-scene>span{grid-row:3;margin-top:14px;font-size:16px}
.pd-grid-1 .pf-scene>em{grid-row:4;margin-top:18px}
.pd-grid-2{grid-template-columns:repeat(2,1fr)!important}
.pd-grid-3{grid-template-columns:repeat(3,1fr)!important}
.pd-use{display:block;margin-top:12px;color:var(--pf-blue);font-size:14px;font-style:normal}

/* ── 产品页 ── */
.pd-hero{padding-block:clamp(56px,5vw,96px);background:linear-gradient(180deg,var(--pf-paper),#fff 85%)}
.pd-hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,6vw,110px);align-items:center}
.pd-hero h1{margin-top:20px!important;color:var(--pf-ink);font-size:clamp(44px,4vw,64px);line-height:1.2;letter-spacing:-.025em}
.pd-hero .pd-claim{margin-top:16px!important;color:var(--pf-ink);font-size:clamp(22px,1.6vw,28px);font-weight:500}
.pd-model{color:var(--pf-blue)!important;font-size:15px!important;font-weight:500}
.pd-model--chip{display:inline-block;margin-top:22px!important;padding:6px 14px;border:1px solid #c9daf1;border-radius:999px;background:#fff}
.pd-hero .pd-body{margin-top:18px!important;max-width:26em}
.pd-jump{display:flex;flex-wrap:wrap;gap:10px 32px;margin-top:44px;padding-top:22px;border-top:1px solid var(--pf-line)}
.pd-jump a{color:var(--pf-muted);font-size:16px}
.pd-jump a::after{content:' ↓';color:var(--pf-blue)}
.pd-jump a:hover{color:var(--pf-blue)}
.pd-hero-media{margin:0;border-radius:24px;overflow:hidden;box-shadow:0 30px 80px #0d244014}
.pd-hero-media img{display:block;width:100%;height:auto}

/* 产品类型 */
.pd-type-grid{display:grid;gap:24px;margin-top:clamp(40px,4vw,64px)}
.pd-type-grid--2{grid-template-columns:repeat(2,1fr)}
.pd-type{scroll-margin-top:84px;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--pf-line);border-radius:20px;background:#fff}
.pd-type figure{margin:0}
.pd-type figure img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.pd-type-copy{padding:28px 32px 32px}
.pd-type h3{color:var(--pf-ink);font-size:clamp(28px,2.2vw,36px)}
.pd-type .pd-model{margin-top:8px!important}
.pd-type .pd-ability{margin-top:16px!important;color:var(--pf-ink);font-size:var(--lead-size)}
.pd-specs{margin:24px 0 0;border-top:1px solid var(--pf-line)}
.pd-specs div{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--pf-line)}
.pd-specs dt{color:var(--pf-muted);font-size:15px}
.pd-specs dd{margin:0;color:var(--pf-ink);font-size:16px}
.pd-specs dd a{color:var(--pf-blue)}
.pd-specs dd a:hover{text-decoration:underline}
/* 只有一个类型时：左边类型与能力，右边配置 */
.pd-type-grid--1 .pd-type-copy{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(40px,6vw,110px);padding:clamp(32px,3vw,48px) clamp(32px,4vw,64px)}
.pd-type-grid--1 .pd-specs{grid-column:2;grid-row:1/span 3;margin-top:0;align-self:start}

/* 世界动作模型与智能差异 */
.pd-model-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,110px);align-items:center}
.pd-model-grid h2{font-size:clamp(30px,2.2vw,40px)}
.pd-model-grid h2+p{margin-top:22px;max-width:30em}
.pd-steps{display:grid;gap:0;border-top:1px solid var(--pf-line)}
.pd-steps div{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:baseline;padding:24px 0;border-bottom:1px solid var(--pf-line)}
.pd-steps .pf-num{margin:0;font:600 18px/1.4 'PingFang SC','Microsoft YaHei',sans-serif;letter-spacing:.06em}
.pd-steps p{color:var(--pf-ink);font-size:var(--lead-size)}

/* 接入平台 */
.pd-platform p{margin-top:22px;max-width:28em}
.pd-platform-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,110px);align-items:center}
.pd-platform figure{margin:0}
.pd-platform img{display:block;width:100%;height:auto;border-radius:18px}

/* ── 方案页 ── */
.ps-work-grid{display:grid;grid-template-columns:.9fr 1.4fr;gap:clamp(40px,6vw,110px)}
.ps-objects{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px}
.ps-objects small{margin-right:4px;color:var(--pf-muted);font-size:14px}
.ps-objects span{padding:7px 16px;border:1px solid var(--pf-line);border-radius:999px;color:var(--pf-ink);font-size:15px}
.ps-cols{margin-top:0!important}
.ps-parts{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:clamp(40px,4vw,64px)}
.ps-part{display:grid;grid-template-columns:minmax(150px,38%) 1fr;gap:26px;align-items:center;padding:18px;border-radius:18px;background:#fff;transition:box-shadow .25s}
.ps-part:hover{box-shadow:0 20px 50px #0d244014}
.ps-part img{display:block;width:100%;height:auto;aspect-ratio:4/3;border-radius:12px;object-fit:cover}
.ps-part small{display:block;color:var(--pf-blue);font-size:13px;letter-spacing:.08em}
.ps-part strong{display:block;margin-top:8px;color:var(--pf-ink);font-size:22px;font-weight:600;line-height:1.4}
.ps-part em{display:block;margin-top:10px;color:var(--pf-muted);font-size:15px;font-style:normal;line-height:1.7}
.ps-process{scroll-margin-top:68px}
.ps-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);margin:clamp(48px,4vw,72px) 0 0;padding:0}
.ps-steps li{position:relative;padding:32px 32px 0 0;border-top:2px solid var(--pf-line)}
.ps-steps li::before{content:'';position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--pf-blue);box-shadow:0 0 0 5px #fff}
.ps-who{display:inline-block;margin-bottom:12px;padding:3px 12px;border-radius:999px;background:#e6f5f7;color:#178a9c;font-size:13px}
.ps-who--platform{background:#eaf1fb;color:var(--pf-blue)}
.ps-steps strong{display:block;color:var(--pf-ink);font-size:24px;font-weight:600}
.ps-steps p{margin-top:10px}

/* ── 总览页 ── */
.po-head{padding-block:clamp(64px,6vw,104px) clamp(24px,2vw,40px);background:linear-gradient(180deg,var(--pf-paper),#fff)}
.po-head h1{margin-top:20px!important;color:var(--pf-ink);font-size:clamp(40px,3.6vw,58px);line-height:1.2;letter-spacing:-.02em}
.po-head p{margin-top:16px!important;font-size:var(--lead-size)}
.po-platform-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(40px,6vw,110px);align-items:center}
.po-platform-media img{display:block;width:100%;height:auto;border-radius:20px;transition:opacity .3s}
.po-platform-media:hover img{opacity:.9}
.po-platform-grid p{margin-top:16px;max-width:28em}
.po-qualifier{margin-top:14px}
.po-line{display:grid;grid-template-columns:.8fr 1.6fr;gap:clamp(32px,4vw,72px);align-items:center;margin-top:clamp(40px,4vw,64px);padding-top:clamp(40px,4vw,64px);border-top:1px solid var(--pf-line)}
.po-line-copy h3{color:var(--pf-ink);font-size:clamp(26px,2vw,32px)}
.po-line-copy p{margin-top:12px}
.po-line--simple{grid-template-columns:1fr}
.po-types{display:grid;gap:20px}
.po-types--2{grid-template-columns:repeat(2,1fr)}
.po-types--1{grid-template-columns:minmax(0,50%)}
.po-type{display:block;overflow:hidden;border-radius:18px;background:var(--pf-paper);transition:box-shadow .25s}
.po-type:hover{box-shadow:0 20px 50px #0d244014}
.po-type-img img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.po-type strong{display:block;padding:20px 24px 0;color:var(--pf-ink);font-size:22px}
.po-type em{display:block;padding:8px 24px 24px;color:var(--pf-muted);font-size:15px;font-style:normal;line-height:1.7}
.so-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.so-card{display:block;overflow:hidden;border-radius:20px;background:#fff;border:1px solid var(--pf-line);transition:box-shadow .25s}
.so-card:hover{box-shadow:0 24px 60px #0d244014}
.so-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.so-card-copy{display:block;padding:26px 30px 30px}
.so-card-copy strong{display:block;color:var(--pf-ink);font-size:26px}
.so-card-copy>span:not(.ps-chips){display:block;margin-top:10px;color:var(--pf-muted);font-size:16px;line-height:1.7}
.so-card-copy em{display:inline-flex;gap:8px;margin-top:18px;color:var(--pf-blue);font-size:16px;font-style:normal}

@media (max-width:1100px){
 .pd-hero-grid,.pd-model-grid,.pd-platform-grid,.ps-work-grid,.po-platform-grid,.po-line{grid-template-columns:1fr}
 .pd-type-grid--2,.ps-parts{grid-template-columns:1fr}
 .pd-type-grid--1 .pd-type-copy{grid-template-columns:1fr}
 .pd-type-grid--1 .pd-specs{grid-column:auto;grid-row:auto;margin-top:24px}
 .ps-steps{grid-template-columns:repeat(2,1fr);row-gap:40px}
 .pd-grid-3{grid-template-columns:repeat(2,1fr)!important}
}
@media (max-width:760px){
 .ps-steps,.pd-grid-2,.pd-grid-3,.po-types--2{grid-template-columns:1fr!important}
 .pd-grid-1 .pf-scene{display:block}
 .pd-grid-1 .pf-scene strong{margin-top:18px}
 .ps-part{grid-template-columns:1fr}
}

/* 具身智能列车：四项能力与速度曲线示意 */
.pd-cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:clamp(40px,4vw,64px)}
.pd-cap{scroll-margin-top:84px;overflow:hidden;border:1px solid var(--pf-line);border-radius:18px;background:#fff}
.pd-cap img{display:block;width:100%;height:auto;aspect-ratio:12/5;object-fit:cover;background:var(--pf-paper)}
.pd-cap-copy{padding:24px 26px 28px}
.pd-cap h3{color:var(--pf-ink);font-size:22px}
.pd-cap p{margin-top:10px;font-size:16px}
.pd-cap small{display:block;margin-top:12px;color:var(--pf-blue);font-size:14px}
.pd-chart{margin:0;padding:24px 28px 18px;border-radius:20px;background:#fff;box-shadow:0 24px 60px #0d24400f}
.pd-chart figcaption{display:flex;justify-content:space-between;align-items:baseline}
.pd-chart figcaption strong{color:var(--pf-ink);font-size:18px}
.pd-chart figcaption span{color:#8a9ab0;font-size:13px}
.pd-chart svg{display:block;width:100%;height:auto;margin-top:8px}
.pd-chart text{fill:#55677d;font:400 15px 'PingFang SC','Microsoft YaHei',sans-serif}
.pd-chart-axis{fill:none;stroke:#0d2440;stroke-width:1.6}
.pd-chart-grid{fill:none;stroke:#c9d5e4;stroke-dasharray:3 5}
.pd-chart-ref{fill:none;stroke:#9aa7b8;stroke-width:2;stroke-dasharray:7 6}
.pd-chart-adj{fill:none;stroke:#1f62c9;stroke-width:3;stroke-linecap:round}
.pd-chart-fill{fill:#1f62c914;stroke:none}
.pd-model-section .ps-objects{margin-top:24px}

/* 产品中心总览：列车（左图，右侧四项能力） */
.po-train{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.po-train-img{display:block;overflow:hidden;border-radius:18px;background:#fff}
.po-train-img img{display:block;width:100%;height:100%;aspect-ratio:3/2;object-fit:cover;transition:opacity .3s}
.po-train-img:hover img{opacity:.9}
.po-caps{display:flex;flex-direction:column;justify-content:center;padding:14px 28px;border-radius:18px;background:var(--pf-paper)}
.po-caps small{padding:10px 0 12px;color:var(--pf-muted);font-size:14px;letter-spacing:.06em}
.po-cap{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-top:1px solid var(--pf-line);color:var(--pf-ink);font-size:19px;font-weight:600;transition:color .2s}
.po-cap span{color:var(--pf-blue);font-weight:400}
.po-cap:hover{color:var(--pf-blue)}
@media (max-width:1100px){.pd-cap-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.pd-cap-grid,.po-train{grid-template-columns:1fr}.pd-chart{padding:18px 16px 12px}.pd-chart text{font-size:24px}}

/* ── 2026-10-06：品牌名、方案页新增区块、方案总览分组 ── */
.pd-brand{margin-top:10px!important;color:#5d7fa8!important;font:500 clamp(18px,1.3vw,22px)/1.3 Arial,'PingFang SC',sans-serif!important;letter-spacing:.06em}
.ps-hero-brand{margin-top:12px!important;color:#a9d6ff!important;font:500 clamp(20px,1.5vw,26px)/1.3 Arial,sans-serif!important;letter-spacing:.06em}
.po-brand{display:block;margin-top:6px;color:#5d7fa8;font:500 16px/1.4 Arial,sans-serif;letter-spacing:.06em}
.ps-brand{display:block;margin-top:2px;color:#5d7fa8;font:500 14px/1.5 Arial,sans-serif;letter-spacing:.05em}
.so-brand{margin-left:6px;color:#5d7fa8;font:500 .62em/1 Arial,sans-serif;letter-spacing:.05em;vertical-align:middle}

/* 现场挑战 */
.ps-lead{margin-top:18px!important;max-width:36em;color:var(--pf-ink)!important;font-size:var(--lead-size)!important}
.ps-pains{display:grid;gap:20px;margin-top:clamp(40px,4vw,64px)}
.ps-pains--2{grid-template-columns:repeat(2,1fr)}
.ps-pains--3{grid-template-columns:repeat(3,1fr)}
.ps-pains--4{grid-template-columns:repeat(4,1fr)}
.ps-pain{padding:28px 28px 30px;border-radius:18px;background:var(--pf-paper)}
.ps-pain h3{color:var(--pf-ink);font-size:21px}
.ps-pain p{margin-top:10px;font-size:16px}
/* 当前问题 → 升级方向 */
.ps-shift{display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(28px,4vw,72px);align-items:start}
.ps-shift h2{font-size:clamp(28px,2.2vw,38px)}
.ps-shift-arrow{align-self:center;color:var(--pf-blue);font-size:44px;line-height:1}
.ps-shift>div:last-child h2{color:var(--pf-blue)}

/* 方案要点 */
.ps-points .pf-cols>div{border-top-color:#d3deeb}
.ps-cols--4{grid-template-columns:repeat(2,1fr)!important}
.ps-values{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 0;padding:0}
.ps-values li{display:flex;flex-direction:column;min-width:118px;padding:14px 18px;border-radius:14px;background:var(--pf-paper)}
.ps-values strong{color:var(--pf-blue);font-size:19px;font-weight:600}
.ps-values span{margin-top:2px;color:var(--pf-muted);font-size:14px}
.ps-parts-section{background:#fff}
.ps-parts--3,.ps-parts--4{grid-template-columns:repeat(2,1fr)}
.ps-parts .ps-part{background:var(--pf-paper)}

/* 解决方案总览：按行业分组 */
.so-group+.so-group{padding-top:0}
.so-group-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding-bottom:28px;border-bottom:1px solid var(--pf-line)}
.so-group-head p{color:var(--pf-muted);font-size:17px}
.so-hub{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:28px;padding:18px 26px;border-radius:16px;background:var(--pf-navy)}
.pf .so-hub{color:#fff}
.so-hub strong{font-size:19px;font-weight:600}
.so-hub span{color:#a9d6ff;font-size:16px}
.so-hub em{margin-left:auto;color:#ffffffb3;font-size:15px;font-style:normal}
.so-hub:hover em{color:#fff}
.so-grid{margin-top:28px}

@media (max-width:1100px){
 .ps-pains--3,.ps-pains--4{grid-template-columns:repeat(2,1fr)}
 .ps-shift{grid-template-columns:1fr}
 .ps-shift-arrow{transform:rotate(90deg);justify-self:start}
}
@media (max-width:760px){
 .ps-pains--2,.ps-pains--3,.ps-pains--4,.ps-cols--4,.ps-parts--3,.ps-parts--4,.so-grid{grid-template-columns:1fr!important}
 .so-group-head{flex-direction:column;align-items:flex-start;gap:10px}
 .so-hub em{margin-left:0}
}
.ps-hero .pf-lead{max-width:25em}

/* 2026-10-07：BP 第 4 页新版——地面机器人三型、规格参数、渲染图整图显示 */
.pd-type-grid--3{grid-template-columns:repeat(3,1fr)}
.pd-type figure{background:#f6fbfe}
.pd-type figure img{object-fit:contain;padding:16px 20px 0}
.pd-type-brand{margin-top:4px!important;color:#5d7fa8!important;font:500 15px/1.4 Arial,sans-serif!important;letter-spacing:.06em}
.pd-type-grid--3 .pd-type-copy{padding:24px 24px 28px}
.pd-type-grid--3 .pd-specs div{grid-template-columns:1fr;gap:4px}
.pd-spec-note{margin-top:18px!important;color:#8a9ab0!important;font-size:14px!important}
.pd-hero-media{background:#f6fbfe}
.pd-hero-media img{object-fit:contain}
.po-type-img{display:block;background:#f6fbfe}
.po-type-img img{object-fit:contain!important;padding:12px 16px 0}
.po-types--3{grid-template-columns:repeat(3,1fr)}
.ps-part img[src*="eq-"]{object-fit:contain;background:#f6fbfe;padding:8px}
@media (max-width:1100px){.pd-type-grid--3,.po-types--3{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.pd-type-grid--3,.po-types--3{grid-template-columns:1fr}}

/* 渲染图四边与底色柔和过渡 */
.pd-type figure img,.pd-hero-media img[src*="eq-"],.po-type-img img{-webkit-mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 62%,transparent 100%);mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 62%,transparent 100%)}

/* 解决方案总览：3 / 5 个方案时三列（2026-10-12） */
@media (min-width:1024px){.so-grid--3,.so-grid--5{grid-template-columns:repeat(3,1fr)}.so-grid--3 .so-card-copy strong,.so-grid--5 .so-card-copy strong{font-size:22px}}

/* 2026-10-14 版 BP：方案收益（首屏、总览卡片）、轨道交通「调度方案 / 作业方案」小标题、行业产品卡片、拓展方向 */
.ps-gains{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:8px}
.ps-gains li{display:flex;align-items:center;gap:10px;color:#a9d6ff;font-size:clamp(17px,1.25vw,20px);font-weight:600}
.ps-gains span{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#ffffff1f;font-size:15px}
.so-gains{list-style:none;margin:10px 0 0;padding:0}
.so-gains li{display:flex;gap:8px;color:var(--pf-blue);font-size:15px;font-weight:600;line-height:1.6}
.so-kind{margin-top:40px!important;color:var(--pf-ink);font-size:20px!important;font-weight:600}
.so-kind+.so-hub{margin-top:14px}
.so-sub{display:block;margin-top:4px;color:#5d7fa8;font-size:16px;font-weight:500}
.po-industry .so-grid{margin-top:28px}
.so-expand{padding-block:clamp(40px,4vw,64px);background:var(--pf-paper)}
.so-expand-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 32px}
.so-expand-row .pf-kicker{margin:0}
.so-expand-list{display:flex;flex-wrap:wrap;gap:10px}
.so-expand-list span{padding:8px 18px;border-radius:999px;background:#fff;color:var(--pf-ink);font-size:16px;box-shadow:0 6px 18px #0d24400d}
.so-expand-note{margin-left:auto!important;color:var(--pf-muted)!important;font-size:15px!important}
@media (max-width:760px){.so-expand-note{margin-left:0!important}}

/* 方案页样板栏目（2026-10-15，先用于接触网智能巡检）：作业对象、与传统方式对照、线路与场段、过程配图、常见问题 */
.ps-obj-grid{display:grid;gap:28px}
.ps-obj h3{color:var(--pf-ink);font-size:18px;font-weight:600}
.ps-obj-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px!important}
.ps-obj-list span{padding:7px 16px;border:1px solid var(--pf-line);border-radius:999px;background:#fff;color:var(--pf-ink);font-size:15px}
.ps-obj:last-child .ps-obj-list span{border-color:#f0d3a4;background:#fff8ec;color:#8a5a12}
.ps-compare-section{background:var(--pf-paper)}
.ps-compare-wrap{margin-top:clamp(32px,3vw,48px);overflow-x:auto}
.ps-compare{width:100%;min-width:640px;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 18px 44px #0d24400d}
.ps-compare th,.ps-compare td{padding:18px 24px;border-bottom:1px solid var(--pf-line);text-align:left;vertical-align:top;font-size:16px;line-height:1.7}
.ps-compare thead th{color:var(--pf-muted);font-size:14px;font-weight:500;letter-spacing:.04em}
.ps-compare thead th:last-child{color:var(--pf-blue)}
.ps-compare tbody th{width:16%;color:var(--pf-ink);font-weight:600;white-space:nowrap}
.ps-compare tbody td:nth-child(2){width:38%;color:var(--pf-muted)}
.ps-compare tbody td:last-child{color:var(--pf-ink);background:#f4f8fe;font-weight:500}
.ps-compare tbody tr:last-child>*{border-bottom:0}
.ps-note{margin-top:14px!important;color:var(--pf-muted)!important;font-size:13px!important}
.ps-variants{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:clamp(32px,3vw,48px)}
.ps-variant{padding:28px 30px;border:1px solid var(--pf-line);border-radius:18px;background:#fff}
.ps-variant h3{color:var(--pf-ink);font-size:22px;font-weight:600}
.ps-variant ul{margin:14px 0 0;padding-left:1.1em;color:var(--pf-muted);font-size:16px;line-height:1.9}
.ps-variant .pd-link{margin-top:16px}
.ps-process-fig{margin:clamp(32px,3vw,48px) 0 0!important;overflow:hidden;border-radius:18px;box-shadow:0 24px 60px #0d24400f}
.ps-process-fig img{display:block;width:100%;height:auto;max-height:520px;object-fit:cover}
.ps-faq{display:grid;gap:12px}
.ps-faq-item{border:1px solid var(--pf-line);border-radius:14px;background:#fff}
.ps-faq-item summary{position:relative;padding:18px 52px 18px 22px;color:var(--pf-ink);font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.ps-faq-item summary::-webkit-details-marker{display:none}
.ps-faq-item summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--pf-blue);font-size:22px;font-weight:400}
.ps-faq-item[open] summary::after{content:'−'}
.ps-faq-item p{padding:0 22px 20px;color:var(--pf-muted);font-size:16px;line-height:1.8}
.ps-faq-item summary:focus-visible{outline:3px solid #2f6fd0;outline-offset:2px;border-radius:14px}
@media (max-width:760px){.ps-variants{grid-template-columns:1fr}.ps-compare th,.ps-compare td{padding:14px 16px;font-size:15px}}
/* 手机：对照表每行改成一张卡片，不横向滚动 */
@media (max-width:600px){
 .ps-compare{min-width:0;box-shadow:none;background:none}
 .ps-compare thead{display:none}
 .ps-compare,.ps-compare tbody,.ps-compare tr,.ps-compare th,.ps-compare td{display:block;width:auto!important}
 .ps-compare tr{margin-bottom:12px;overflow:hidden;border:1px solid var(--pf-line);border-radius:14px;background:#fff}
 .ps-compare tbody th{padding:14px 16px 4px;border:0}
 .ps-compare td{padding:6px 16px 12px;border:0}
 .ps-compare td::before{content:attr(data-label);display:block;margin-bottom:2px;color:var(--pf-muted);font-size:12px;font-weight:500}
 .ps-compare td:last-child::before{color:var(--pf-blue)}
}
.ps-objects-section h2,.ps-compare-section h2,.ps-variants-section h2,.ps-process h2{text-wrap:balance}   /* 手机上标题不留单字一行 */

/* ── 详情页版式优化（2026-10-15）：正文仍是白底，靠卡片、图标与结构图拉开层次 ── */
.ic{display:block;width:24px;height:24px}

/* 现场挑战：白卡、琥珀色提示图标与顶边 */
.ps-pain{position:relative;overflow:hidden;padding:30px 30px 32px;border:1px solid var(--pf-line);border-radius:18px;background:#fff;transition:box-shadow .25s,transform .25s}
.ps-pain::before{content:'';position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#e69a2e,#f3c46b)}
.ps-pain:hover{transform:translateY(-2px);box-shadow:0 18px 44px #0d244012}
.ps-pain-ic{display:inline-grid;place-items:center;width:46px;height:46px;margin-bottom:20px;border-radius:14px;background:#fff4e2;color:#c77a12}
.ps-pain h3{font-size:22px}
.ps-pain p{margin-top:12px;line-height:1.75}

/* 方案要点：右侧浅蓝面板，每条一行，勾选图标 */
.ps-point-panel{display:grid;gap:0;padding:12px 34px;border-radius:22px;background:linear-gradient(160deg,#f2f7fe,#eaf2fc)}
.ps-point{display:grid;grid-template-columns:44px 1fr;gap:20px;align-items:start;padding:24px 0}
.ps-point+.ps-point{border-top:1px solid #d6e3f3}
.ps-point-ic{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--pf-blue);color:#fff;box-shadow:0 8px 20px #1f62c933}
.ps-point h3{color:var(--pf-ink);font-size:21px}
.ps-point p{margin-top:6px}
.ps-points .ps-work-grid{align-items:center}

/* 方案组成：平台（与行业产品）在上，下发 / 回传，装备在下 */
.ps-arch{margin-top:clamp(40px,4vw,64px)}
.ps-arch-top{display:grid;gap:20px}
.ps-arch-top--2{grid-template-columns:1fr 1fr}
.ps-arch-top .ps-part{grid-template-columns:minmax(160px,34%) 1fr;background:linear-gradient(160deg,#f2f7fe,#eaf2fc);box-shadow:inset 0 0 0 1px #d6e3f3}
.ps-arch-link{position:relative;display:flex;justify-content:center;gap:clamp(24px,6vw,96px);padding:30px 0;color:var(--pf-blue);font-size:14px;letter-spacing:.04em}
.ps-arch-link::before{content:'';position:absolute;left:50%;top:0;bottom:0;border-left:2px dashed #b9cde8}
.ps-arch-link span{position:relative;padding:5px 14px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px #d6e3f3}
.ps-arch-devices{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.ps-arch-devices--1{grid-template-columns:minmax(0,620px);justify-content:center}
.ps-part--v{grid-template-columns:168px 1fr!important;gap:22px!important;background:#fff!important;box-shadow:inset 0 0 0 1px var(--pf-line)}
.ps-part--v img{aspect-ratio:4/3!important}
@media (max-width:760px){.ps-part--v{grid-template-columns:120px 1fr!important}}

/* 作业过程：上方时间轴，下方「平台 / 装备」两条泳道，看得出每一步由谁完成 */
.ps-lanes{position:relative;display:grid;grid-template-columns:96px repeat(var(--n),minmax(0,1fr));grid-template-rows:28px auto auto;column-gap:16px;row-gap:12px;margin-top:clamp(44px,4vw,68px)}
.ps-lanes::before{content:'';position:absolute;top:13px;left:112px;right:0;height:2px;background:var(--pf-line)}
.ps-lane-bg{grid-column:1/-1;border-radius:16px}
.ps-lane-bg--platform{grid-row:2;background:#f2f6fd}
.ps-lane-bg--device{grid-row:3;background:#eef7f7}
.ps-lane-name{grid-column:1;z-index:1;align-self:center;padding-left:22px;font-size:15px;font-weight:600;letter-spacing:.08em}
.ps-lane-name--platform{grid-row:2;color:var(--pf-blue)}
.ps-lane-name--device{grid-row:3;color:#178a9c}
.ps-lane-dot{position:relative;z-index:1;grid-row:1;align-self:center;width:12px;height:12px;margin-left:22px;border-radius:50%;background:var(--pf-blue);box-shadow:0 0 0 5px #fff}
.ps-lane-step{position:relative;z-index:1;align-self:center;margin:14px 0;padding:20px 22px 22px;border-radius:14px;background:#fff;box-shadow:0 10px 28px #0d24400f}
.ps-lane-step--both{align-self:center;box-shadow:0 10px 28px #0d24400f,inset 0 0 0 1px #c9dcf2}
.ps-lane-step strong{display:block;color:var(--pf-ink);font-size:20px;font-weight:600;line-height:1.4}
.ps-lane-step p{margin-top:8px;font-size:15px;line-height:1.7}
.ps-who--both{background:linear-gradient(90deg,#eaf1fb,#e6f5f7);color:var(--pf-blue)}
@media (max-width:900px){
 .ps-lanes{display:block}
 .ps-lanes::before,.ps-lane-bg,.ps-lane-name,.ps-lane-dot{display:none}
 .ps-lane-step{margin:0 0 14px;box-shadow:inset 0 0 0 1px var(--pf-line)}
}
@media (max-width:1100px){.ps-arch-top--2{grid-template-columns:1fr}}
@media (max-width:760px){.ps-arch-top .ps-part{grid-template-columns:1fr}.ps-arch-link{flex-direction:column;align-items:center;gap:10px}.ps-point-panel{padding:6px 20px}}

/* 产品页「感知 / 判断 / 行动」：图标 + 名称 */
.pd-steps div{grid-template-columns:132px 1fr}
.pd-steps .pf-num{display:flex;align-items:center;gap:12px}
.pd-step-ic{flex:none;width:40px;height:40px;padding:8px;border-radius:12px;background:#eaf1fb;color:var(--pf-blue);box-sizing:border-box}
/* 单一装备的方案（2026-10-15）：只列所用装备；作业过程按顺序排成卡片，用箭头连接，不分平台 / 装备 */
.ps-single-part{max-width:880px;margin-top:clamp(36px,3.5vw,56px)}
.ps-single-part .ps-part{grid-template-columns:minmax(200px,36%) 1fr;background:#fff;box-shadow:inset 0 0 0 1px var(--pf-line)}
.ps-steps--flow{gap:28px}
.ps-steps--flow li{padding:26px 24px 28px;border:1px solid var(--pf-line);border-top:3px solid var(--pf-blue);border-radius:16px;background:#fff}
.ps-steps--flow li::before{display:none}
.ps-steps--flow li:not(:last-child)::after{content:'→';position:absolute;right:-22px;top:50%;transform:translateY(-50%);color:#9fb7d6;font-size:18px}
.ps-steps--flow strong{font-size:21px}
@media (max-width:1100px){.ps-steps--flow li:nth-child(2n)::after{display:none}}
@media (max-width:760px){.ps-steps--flow li::after{display:none!important}.ps-single-part .ps-part{grid-template-columns:1fr}}
/* 列车页「智能驾控」配图（2026-10-15 替换手绘速度曲线） */
.pd-driving-fig{margin:0;overflow:hidden;border-radius:18px;box-shadow:0 24px 60px #0d24401a}
.pd-driving-fig img{display:block;width:100%;height:auto}

/* ── 2026-10-15 官网意见这一轮 ── */
/* 场段「一项作业延误之后」：沿用顺序卡片 */
.ps-scenario .ps-steps--flow{margin-top:clamp(36px,3.5vw,56px)}
/* 接触网「检测结果」：一条记录包含什么 */
.ps-result .ps-work-grid{align-items:center}
.ps-record{overflow:hidden;border:1px solid var(--pf-line);border-radius:20px;background:#fff;box-shadow:0 24px 60px #0d24400f}
.ps-record figure{margin:0}
.ps-record img{display:block;width:100%;height:auto;aspect-ratio:16/8;object-fit:cover}
.ps-record dl{margin:0;padding:8px 28px 14px}
.ps-record dl div{display:grid;grid-template-columns:7em 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--pf-line)}
.ps-record dl div:last-child{border-bottom:0}
.ps-record dt{color:var(--pf-blue);font-size:15px;font-weight:600}
.ps-record dd{margin:0;color:var(--pf-ink);font-size:15px}
/* 行业产品页：行业专属内容 */
.ps-obj-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:clamp(36px,3.5vw,56px)}
.ps-obj-card{padding:26px 24px 28px;border:1px solid var(--pf-line);border-top:3px solid var(--pf-blue);border-radius:16px;background:#fff}
.ps-obj-card h3{color:var(--pf-ink);font-size:21px}
.ps-obj-card p{margin-top:8px;font-size:15px}
.ps-focus .ps-steps--flow{margin-top:clamp(36px,3.5vw,56px)}
/* 行业产品页底部：平台底座一条 */
.ps-base-row{display:grid;grid-template-columns:minmax(260px,1.1fr) 1.4fr auto;gap:28px;align-items:center;padding:28px 32px;border-radius:20px;background:linear-gradient(160deg,#f2f7fe,#eaf2fc)}
.ps-base-row h3{margin-top:4px;color:var(--pf-ink);font-size:22px}
.ps-base-row p:not(.pf-kicker){margin-top:6px;font-size:15px}
.ps-base-row .pf-kicker{margin:0!important}
.ps-base-caps{display:flex;flex-wrap:wrap;gap:10px}
.ps-base-caps span{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;color:var(--pf-ink);font-size:14px}
.ps-base-ic{width:18px;height:18px;color:var(--pf-blue)}
.po-industry .ps-lead{margin-top:14px!important;color:var(--pf-muted)!important;font-size:16px!important}
@media (max-width:1100px){.ps-obj-cards{grid-template-columns:repeat(2,1fr)}.ps-base-row{grid-template-columns:1fr}}
@media (max-width:760px){.ps-obj-cards{grid-template-columns:1fr}.ps-record dl div{grid-template-columns:5.5em 1fr}}
/* 接触网方案首屏：窄屏时取景对准右侧的无人机与绝缘子 */
@media (max-width:1023px){.ps-hero .pf-hero-img[src*="hero-catenary"]{object-position:78% 50%}}
/* 「更多方案」只有一张卡片时（侦察取证 ↔ 消防灭火作业）：说明与装备标签分两行，不再重叠（2026-10-15） */
.pd-grid-1 .pf-scene{grid-template-rows:1fr auto auto auto auto 1fr}
.pd-grid-1 .pf-scene>.ps-chips{grid-row:4;justify-self:start;margin-top:16px}
.pd-grid-1 .pf-scene>.ps-chips span{display:inline-block;width:auto}
.pd-grid-1 .pf-scene>em{grid-row:5}

/* 平台产品页底部「统一底座」条（2026-10-18 美化）：上下留白一致、四项能力 2×2 对齐、右侧按钮 */
.pf .pf-section.ps-base{padding-top:clamp(72px,6vw,112px)}
.pf .ps-base>.ps-base-row{grid-template-columns:minmax(260px,1fr) minmax(0,1.3fr) auto;gap:clamp(28px,3vw,56px);
 padding:clamp(32px,3vw,44px) clamp(28px,3vw,48px)!important;border:1px solid #dbe6f3!important;border-radius:24px;
 background:linear-gradient(120deg,#f3f7fd 0%,#eaf3fb 55%,#e6f5f7 100%)}
.ps-base-row h3{margin-top:6px;font-size:26px}
.ps-base-row p:not(.pf-kicker){max-width:26em;margin-top:10px;font-size:15px;line-height:1.75}
.ps-base-caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.ps-base-caps span{gap:12px;padding:12px 16px;border:1px solid #e3ebf5;border-radius:14px;font-size:15px;font-weight:500}
.ps-base-caps .ps-base-ic{flex:none;width:34px;height:34px;padding:7px;border-radius:10px;background:#e6f5f7;color:#178a9c}
.ps-base-row .pd-link{margin:0!important;display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border:1px solid #1f62c955;border-radius:999px;background:#fff;white-space:nowrap;transition:background .2s,border-color .2s}
.ps-base-row .pd-link:hover{border-color:var(--pf-blue);background:#f3f7fd}
@media (max-width:1100px){.pf .ps-base>.ps-base-row{grid-template-columns:1fr}.ps-base-row .pd-link{justify-self:start}}
@media (max-width:560px){.ps-base-caps{grid-template-columns:1fr}}