:root{color-scheme:light;--navy:#123d51;--navy-deep:#0c3041;--teal:#278b88;--ink:#172a33;--muted:#687b81;--line:#dbe4e2;--bg:#f2f5f3;--surface:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}html{background:var(--bg)}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 88% 2%,#d9efeb 0,transparent 27%),linear-gradient(180deg,#f7f9f7,#eef2ef);color:var(--ink);font-size:15px;line-height:1.7}
button,input,select{font:inherit}.guide-topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;min-height:76px;padding:12px max(20px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(219,228,226,.9);background:rgba(255,255,255,.92);backdrop-filter:blur(18px)}.guide-home{display:grid;place-items:center;flex:0 0 46px;height:46px;border-radius:15px;background:var(--navy);color:#fff;text-decoration:none;font-size:24px;box-shadow:0 7px 18px rgba(18,61,81,.18)}.guide-topbar>div{display:flex;flex-direction:column;line-height:1.35}.guide-topbar strong{font-size:18px}.guide-topbar span{color:var(--muted);font-size:12px}
.guide-shell{width:min(1180px,calc(100% - 40px));margin:auto;padding:36px 0 64px}.guide-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:44px 50px;border-radius:26px;background:linear-gradient(135deg,var(--navy-deep),#1a6073);color:#fff;box-shadow:0 18px 48px rgba(26,58,66,.12)}.guide-eyebrow{color:#8fe0d7;font-size:11px;font-weight:800;letter-spacing:.17em}.guide-hero h1{margin:10px 0 0;font-size:clamp(30px,4.5vw,46px);line-height:1.2;letter-spacing:-.035em}.guide-total{display:flex;align-items:baseline;gap:6px;flex:0 0 auto;border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:12px 16px;background:rgba(255,255,255,.09)}.guide-total strong{font-size:28px;line-height:1}.guide-total span{color:rgba(255,255,255,.74);font-size:12px}
.guide-filter-panel{margin-top:16px;border:1px solid var(--line);border-radius:20px;padding:18px;background:rgba(255,255,255,.92);box-shadow:0 8px 26px rgba(26,58,66,.06)}.guide-filter-row{display:grid;grid-template-columns:minmax(300px,1fr) 210px 230px;gap:10px}.guide-search,.guide-select{display:flex;align-items:center;gap:9px;min-width:0;min-height:48px;border:1px solid #d2d2d7;border-radius:14px;padding:0 14px;background:#fff}.guide-search{color:#6e6e73}.guide-search input,.guide-select select{min-width:0;width:100%;border:0;outline:0;background:transparent;color:#1d1d1f;font:inherit;font-size:13px}.guide-select>span{font-size:12px;font-weight:800;white-space:nowrap}.guide-select select{padding:8px 24px 8px 4px;color:#515154;text-overflow:ellipsis}.guide-categories{display:flex;gap:7px;margin-top:13px;overflow-x:auto;scrollbar-width:none}.guide-categories::-webkit-scrollbar{display:none}.guide-categories button{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;min-height:36px;border:1px solid var(--line);border-radius:999px;padding:0 13px;background:#fff;color:#546970;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.guide-categories button span{color:#8a9699;font-size:10px}.guide-categories button.active{border-color:var(--navy);background:var(--navy);color:#fff}.guide-categories button.active span{color:rgba(255,255,255,.72)}
.guide-result-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:26px 2px 12px}.guide-result-head strong{font-size:19px}.guide-result-head span{color:var(--muted);font-size:12px}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.network-card{--card-accent:#2e8297;overflow:hidden;border:1px solid #dfe6e4;border-top:4px solid var(--card-accent);border-radius:20px;background:#fff;box-shadow:0 4px 18px rgba(26,58,66,.055)}.network-card[data-category="传感器"]{--card-accent:#bb6a58}.network-card[data-category="照明类"]{--card-accent:#c89b31}.network-card[data-category="遮阳类"]{--card-accent:#8065a6}.network-card[data-category="安防类"]{--card-accent:#c75651}.network-card[data-category="音响"]{--card-accent:#6178aa}.network-card>header{padding:20px 21px 16px;border-bottom:1px solid #edf0ef}.network-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.network-tags span{border-radius:999px;padding:3px 8px;background:#f0f4f3;color:#5c6e73;font-size:10px;font-weight:750}.network-tags span:first-child{background:color-mix(in srgb,var(--card-accent) 14%,white);color:color-mix(in srgb,var(--card-accent) 86%,#172a33)}.network-card h2{margin:9px 0 4px;color:#17252d;font-size:19px;line-height:1.35}.network-model{margin:0;color:#6e777b;font-size:12px;white-space:pre-line;overflow-wrap:anywhere}.network-core{display:grid;grid-template-columns:145px minmax(0,1fr)}.network-core>div{padding:15px 18px}.network-core>div:first-child{background:#f5f8f7}.network-core small,.network-details dt{display:block;margin-bottom:4px;color:#77868a;font-size:10px;font-weight:800;letter-spacing:.04em}.network-core strong{color:var(--navy);font-size:14px}.network-core p{margin:0;color:#34484f;font-size:13px;line-height:1.65}.network-card details{border-top:1px solid #edf0ef}.network-card summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 20px;color:var(--navy);font-size:12px;font-weight:800;cursor:pointer;list-style:none}.network-card summary::-webkit-details-marker{display:none}.network-card summary:after{content:"＋";font-size:17px;font-weight:400}.network-card details[open] summary:after{content:"−"}.network-details{display:grid;gap:0;margin:0;border-top:1px solid #edf0ef}.network-details>div{display:grid;grid-template-columns:112px minmax(0,1fr);gap:12px;padding:13px 20px;border-bottom:1px solid #edf0ef}.network-details>div:last-child{border-bottom:0}.network-details dt{margin:0}.network-details dd{margin:0;color:#34484f;font-size:13px;line-height:1.65;white-space:pre-line;overflow-wrap:anywhere}.network-details .network-note dd{color:#805d23}.guide-empty{grid-column:1/-1;border:1px solid var(--line);border-radius:20px;padding:60px 20px;background:#fff;color:#78878b;text-align:center}.guide-footer{padding:30px 0 0;text-align:center}.guide-footer a{color:#557179;font-size:12px;text-decoration:none}.guide-footer a:hover{color:var(--navy)}
.network-note-content p{margin:0;white-space:pre-line}.network-note-empty{color:#8b9497;font-style:italic}.network-note-edit{margin-top:10px;border:1px solid #ddcda9;border-radius:9px;padding:6px 10px;background:#fffaf0;color:#79591f;font:inherit;font-size:11px;font-weight:800;cursor:pointer}.network-note-images{display:flex;gap:8px;margin-top:10px;overflow-x:auto}.network-note-images button{flex:0 0 74px;height:62px;overflow:hidden;border:0;border-radius:10px;padding:0;background:#eee;cursor:zoom-in}.network-note-images img{display:block;width:100%;height:100%;object-fit:cover}
.note-dialog{width:min(620px,calc(100% - 28px));max-height:min(780px,calc(100vh - 28px));overflow:hidden;border:0;border-radius:24px;padding:0;background:#fff;color:var(--ink);box-shadow:0 28px 80px rgba(10,32,42,.28)}.note-dialog::backdrop,.note-viewer::backdrop{background:rgba(8,25,32,.58);backdrop-filter:blur(6px)}.note-dialog form{display:flex;flex-direction:column;max-height:min(780px,calc(100vh - 28px))}.note-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;border-bottom:1px solid #e9edec}.note-dialog-head span{display:block;color:var(--teal);font-size:10px;font-weight:900;letter-spacing:.12em}.note-dialog-head h2{margin:3px 0 0;font-size:20px;line-height:1.35}.note-close{display:grid;place-items:center;flex:0 0 38px;height:38px;border:0;border-radius:50%;background:#f1f4f3;color:#4f6066;font-size:24px;cursor:pointer}.note-dialog-body{overflow:auto;padding:22px 24px}.note-field>span{display:block;margin-bottom:7px;color:#34484f;font-size:12px;font-weight:800}.note-field textarea{display:block;width:100%;resize:vertical;border:1px solid #d4dddb;border-radius:14px;padding:12px 14px;outline:0;background:#fafcfb;color:var(--ink);font:inherit;line-height:1.65}.note-field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(39,139,136,.12)}.note-upload-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px}.note-upload input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.note-upload span{display:inline-flex;align-items:center;min-height:38px;border-radius:11px;padding:0 13px;background:#e8f4f2;color:#116e6b;font-size:12px;font-weight:800;cursor:pointer}.note-upload-row small{color:#78878b;font-size:10px}.note-image-preview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-top:13px}.note-image-preview figure{position:relative;aspect-ratio:1.15;margin:0;overflow:hidden;border-radius:12px;background:#eef1f0}.note-image-preview img{display:block;width:100%;height:100%;object-fit:cover}.note-image-preview button{position:absolute;top:5px;right:5px;display:grid;place-items:center;width:25px;height:25px;border:0;border-radius:50%;background:rgba(12,28,34,.75);color:#fff;font-size:17px;cursor:pointer}.note-storage-tip{min-height:20px;margin:9px 0 0;color:#8a6427;font-size:11px}.note-dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px calc(16px + env(safe-area-inset-bottom));border-top:1px solid #e9edec;background:#fbfcfc}.note-dialog-actions>div{display:flex;gap:8px}.note-dialog-actions button{min-height:40px;border-radius:11px;padding:0 15px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.note-secondary{border:1px solid #d7dfdd;background:#fff;color:#52666c}.note-primary{border:1px solid var(--navy);background:var(--navy);color:#fff}.note-viewer{width:min(1000px,calc(100% - 24px));max-height:calc(100vh - 24px);overflow:hidden;border:0;border-radius:18px;padding:0;background:#111}.note-viewer img{display:block;max-width:100%;max-height:calc(100vh - 24px);margin:auto;object-fit:contain}.note-viewer button{position:fixed;z-index:2;top:20px;right:20px;width:42px;height:42px;border:0;border-radius:50%;background:rgba(0,0,0,.7);color:#fff;font-size:26px;cursor:pointer}
@media(max-width:760px){.guide-topbar{min-height:68px;padding:10px 14px}.guide-home{flex-basis:44px;height:44px}.guide-topbar strong{font-size:16px}.guide-shell{width:min(100% - 24px,1180px);padding:16px 0 36px}.guide-hero{align-items:flex-start;padding:30px 22px 27px;border-radius:20px}.guide-hero h1{font-size:29px}.guide-total{padding:9px 11px;border-radius:14px}.guide-total strong{font-size:23px}.guide-filter-panel{padding:12px;border-radius:17px}.guide-filter-row{grid-template-columns:1fr;gap:8px}.guide-search,.guide-select{min-height:44px;padding:0 12px}.guide-categories{margin-top:10px}.guide-grid{grid-template-columns:1fr;gap:11px}.network-card{border-radius:17px}.network-card>header{padding:17px 16px 14px}.network-card h2{font-size:17px}.network-core{grid-template-columns:112px minmax(0,1fr)}.network-core>div{padding:13px 14px}.network-card summary{padding:12px 16px}.network-details>div{grid-template-columns:86px minmax(0,1fr);padding:12px 16px}.guide-result-head{margin-top:20px}}
@media(max-width:390px){.guide-topbar span{display:none}.guide-hero{gap:12px}.guide-total span{display:none}.network-core{grid-template-columns:1fr}.network-core>div:first-child{border-bottom:1px solid #edf0ef}}
@media(max-width:560px){.note-dialog{width:100%;max-width:none;max-height:calc(100vh - 16px);margin:auto 0 0;border-radius:22px 22px 0 0}.note-dialog form{max-height:calc(100vh - 16px)}.note-dialog-head,.note-dialog-body{padding-left:18px;padding-right:18px}.note-dialog-actions{align-items:stretch;flex-direction:column-reverse;padding-left:18px;padding-right:18px}.note-dialog-actions>div{display:grid;grid-template-columns:1fr 1.25fr}.note-dialog-actions button{width:100%}.note-image-preview{grid-template-columns:repeat(2,minmax(0,1fr))}.note-upload-row{align-items:flex-start;flex-direction:column}.network-details .network-note{grid-template-columns:1fr}.network-details .network-note dt{font-size:11px}.network-note-edit{min-height:38px}}
.guide-topbar{border-bottom:0;border-radius:0 0 24px 24px;background:linear-gradient(135deg,var(--navy),#1c6177);color:#fff;box-shadow:0 8px 24px rgba(18,61,81,.16);backdrop-filter:none}.guide-home{background:rgba(255,255,255,.10);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}.guide-topbar span{color:#d7e8ec}
@media(max-width:760px){.guide-topbar{border-radius:0;box-shadow:none}.guide-shell{padding-top:0}.guide-hero{margin:0 -12px;border-radius:0 0 24px 24px;background:linear-gradient(135deg,var(--navy),#1c6177);box-shadow:0 10px 26px rgba(18,61,81,.16)}}

/* Single, product-library-style header for the network guide. */
.guide-topbar{display:grid;grid-template-columns:46px minmax(0,1fr);column-gap:12px;row-gap:12px;padding-top:14px;padding-bottom:18px}
.guide-topbar>div{align-self:center}
.guide-topbar>div span b{color:inherit;font-weight:700}
.guide-header-search{grid-column:1/-1;display:flex;align-items:center;gap:10px;min-height:52px;border:1px solid rgba(255,255,255,.72);border-radius:15px;padding:0 15px;background:#fff;color:#52717b;box-shadow:0 6px 18px rgba(8,36,49,.10)}
.guide-header-search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:#1d1d1f;font:inherit;font-size:14px}
.guide-header-search input::placeholder{color:#7a878c}
.guide-shell{padding-top:20px}
.guide-filter-panel{margin-top:0}
.guide-filter-row{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:760px){.guide-topbar{grid-template-columns:44px minmax(0,1fr);padding:12px 14px 20px;border-radius:0 0 24px 24px;box-shadow:0 8px 24px rgba(18,61,81,.16)}.guide-shell{padding-top:14px}.guide-filter-row{grid-template-columns:1fr}.guide-header-search{min-height:50px;border-radius:14px;padding-inline:14px}}