:root{--ink:#0c234e;--muted:#7386a6;--blue:#1479ff;--line:#e3eef9;--pale:#eef7ff;--green:#399b87;--radius:12px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(ellipse at top,#fff 0,#f3faff 55%,#f5faff 100%);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}a:hover,a:focus{color:var(--blue);text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #84beff;outline-offset:3px}img{max-width:100%;object-fit:cover}button{cursor:pointer}.wrap{width:calc(100% - 112px);max-width:1540px;margin:auto}.site-header{height:64px;background:rgba(255,255,255,.88);border-bottom:1px solid var(--line);position:relative;z-index:5}.header-inner{height:100%;display:flex;align-items:center;gap:24px}.brand{font-family:"Songti SC",SimSun,serif;font-weight:700;font-size:28px;letter-spacing:2px;white-space:nowrap}.tagline{font-size:13px;color:#8293ad;border-left:1px solid var(--line);padding-left:18px}.site-nav{display:flex;align-items:stretch;gap:38px;margin-left:auto;height:100%;white-space:nowrap}.site-nav a{display:flex;align-items:center;position:relative;font-size:15px;font-weight:500}.site-nav a.active{font-weight:700}.site-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--blue);border-radius:3px}.nav-search{font-size:22px!important;padding-left:10px}.nav-toggle{display:none;border:0;background:none;padding:8px;font-size:20px}.hero{position:relative;background:#e5f3fc center center/cover no-repeat;height:164px;display:flex;align-items:center}.hero .wrap{padding-left:74px}.hero{isolation:isolate}.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f7fbfff5,#f7fbffdd 48%,#f7fbff35 78%,transparent)}.hero h1{font:700 34px/1.4 "Songti SC",SimSun,serif;letter-spacing:2px;margin:0 0 9px}.hero p{font-size:16px;margin:0;color:#365678;max-width:960px}.hero p:after{content:"";display:block;background:#3576a2;width:34px;height:2px;margin-top:10px}.hero-small{height:76px}.main-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px;padding:20px 0 40px}.main-column,.sidebar{min-width:0}.sidebar{display:flex;flex-direction:column;gap:16px}.panel-box{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.panel-box h2,.panel-box h3{margin:0}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}.panel-title h2{font-size:20px;font-weight:700}.more{font-size:13px;white-space:nowrap;color:var(--muted);font-weight:400}.more .fa{margin-left:8px}.section-heading{margin:0 3px 12px;display:flex;justify-content:space-between;align-items:center}.section-heading h2{font-size:23px;font-weight:700;margin:0;position:relative;padding-bottom:8px}.section-heading h2:after{content:"";height:2px;width:22px;background:#ffb25f;position:absolute;bottom:0;left:0}.section-space{margin-top:24px}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-card{padding:16px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.topic-card:hover{border-color:#c8e2ff;box-shadow:0 8px 28px #244b7d08}.topic-intro{display:flex;gap:16px;margin-bottom:12px}.topic-image{display:block;align-self:flex-start;width:35%;flex-shrink:0;aspect-ratio:1.7;border-radius:8px;overflow:hidden}.topic-image img{width:100%;height:100%}.topic-copy{min-width:0}.topic-copy h3{font-size:18px;font-weight:700;margin:1px 0 6px;line-height:1.5}.topic-copy p{font-size:13px;color:var(--muted);margin:5px 0 10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.topic-copy .pill{font-size:11px;margin-left:6px}.meta{display:flex;flex-wrap:wrap;gap:7px 16px;color:var(--muted);font-size:12px}.meta .fa{margin-right:6px}.pill{display:inline-block;font-size:12px;line-height:1.65;padding:3px 12px;border-radius:8px;background:#e8f4ff;color:#4182b5;font-weight:400;white-space:nowrap}.pill.blue{background:#e2f1ff;color:#1680ff}.pill.green{background:#e6f5ee;color:#519987}.pill.orange{background:#fff2e5;color:#ad8058}.pill.purple{background:#f0ebff;color:#8871c4}.pill.status{border-radius:18px}.mini-list{margin:0;padding:0;list-style:none}.mini-list li+li{border-top:1px solid var(--line)}.mini-row{display:flex;align-items:center;gap:12px;padding:7px 2px;font-size:13px;min-width:0}.mini-row .row-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.number{background:#eaf2f8;color:#54718e;font-size:13px;min-width:27px;height:27px;border-radius:6px;display:inline-flex;justify-content:center;align-items:center;flex-shrink:0}.mini-list li:first-child .number{background:#dff2ff;color:#1265a1}.date{color:var(--muted);font-size:12px;white-space:nowrap}.chevron{color:#7490b2;font-size:12px}.expand-link{display:block;text-align:center;color:var(--blue);font-size:13px;padding-top:10px;border-top:1px solid var(--line)}.card-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-size:12px;color:var(--muted)}.card-bottom a{color:var(--blue)}.recent-row{display:flex;gap:15px;border-bottom:1px solid var(--line);padding:9px 0;align-items:center}.recent-row:last-child{border:0}.recent-date{font-size:14px;line-height:1.4;width:48px;text-align:center;flex-shrink:0}.recent-date small{display:block;color:var(--muted);font-size:11px}.recent-copy{flex:1;min-width:0}.recent-copy strong{font-size:13px;display:block;font-weight:500;line-height:1.5}.recent-copy p{color:var(--muted);font-size:12px;margin:3px 0 0}.popular-row{display:flex;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}.popular-row:last-child{border:0}.popular-row img{width:66px;height:44px;border-radius:6px;flex-shrink:0}.popular-copy{flex:1;min-width:0}.popular-copy strong{font-size:13px;display:block}.popular-copy small{color:var(--muted);font-size:11px}.hot{color:#fa733d;font-size:12px;white-space:nowrap}.hot span{color:var(--muted);margin-left:5px}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud .pill{border-radius:18px;font-size:12px;padding:3px 13px}.stat-grid{display:flex;justify-content:space-around;text-align:center;margin:15px 0 4px}.stat-grid>div{flex:1;border-right:1px solid var(--line)}.stat-grid>div:last-child{border:0}.stat-grid strong{display:block;font-size:25px;line-height:1.4}.stat-grid span{font-size:13px;color:var(--muted)}.filter-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px;padding:12px 16px}.filter-tabs{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.filter-tabs a{padding:5px 19px;border-radius:19px;font-size:15px}.filter-tabs a.active{background:#e1efff;color:var(--blue);font-weight:700}.search-field{position:relative;display:flex;align-items:center;gap:10px;background:#f4f8fc;border:1px solid var(--line);border-radius:9px;padding:7px 12px;min-width:0}.search-field .fa{color:#7d94b4}.search-field input{border:0;background:transparent;outline:none;width:100%;min-width:0;color:var(--ink)}.search-field input::placeholder{color:#8a9ab1}.search-field button{border:0;background:none;color:var(--blue);padding:0 4px}.filter-search{margin-left:auto;max-width:320px}.sidebar .search-field{background:#f2f7fb}.pagination-row{display:flex;justify-content:center;align-items:center;gap:8px;margin:22px 0 4px}.page-link{min-width:32px;min-height:32px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:6px;font-size:14px;color:#5c7498;padding:3px 8px}.page-link.active{background:var(--blue);border-color:var(--blue);color:#fff}.page-count{font-size:12px;color:var(--muted);margin-left:8px}.breadcrumb-row{padding:18px 0 0;color:#8497af;font-size:13px;display:flex;gap:12px;flex-wrap:wrap}.breadcrumb-row span{color:#42628c}.feature-card{display:flex;gap:24px;margin-bottom:18px}.feature-card>img{width:33%;aspect-ratio:1.8;max-height:220px;border-radius:10px;align-self:stretch}.feature-copy{padding:6px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}.feature-copy h1{font:700 30px/1.5 "Songti SC",SimSun,serif;margin:0 0 10px}.feature-copy h1 .pill{vertical-align:middle;margin-left:12px;font-family:Arial,sans-serif}.feature-copy p{color:#657f9f;font-size:16px;margin-bottom:22px}.feature-copy .meta{font-size:14px}.content-tabs{display:flex;gap:36px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}.content-tabs a{white-space:nowrap;padding:2px 0 13px;font-size:18px;color:#6d82a1}.content-tabs a.active{border-bottom:3px solid var(--blue);font-weight:700;color:var(--ink)}.detail-list{list-style:none;margin:16px 0 0;padding:0}.detail-list>li{border-bottom:1px solid var(--line)}.detail-row{display:flex;gap:18px;align-items:center;padding:16px 0}.detail-row>.number{width:46px;height:46px;background:#e9f6ff;color:#1477d0;font-size:18px}.detail-row .detail-copy{flex:1;min-width:0}.detail-copy h3{font-size:17px;margin:0 0 5px;font-weight:700}.detail-copy p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-row .pill{margin-left:auto}.timeline-guide{counter-reset:step;margin:0;padding:0;list-style:none}.timeline-guide li{position:relative;display:flex;gap:18px;padding-bottom:22px}.timeline-guide li:last-child{padding-bottom:0}.timeline-guide li:not(:last-child):before{content:"";position:absolute;width:1px;background:#d5e9ff;left:20px;top:45px;bottom:0}.step-number{width:42px;height:42px;border-radius:50%;background:#e2f2ff;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}.timeline-guide h3{font-size:16px;font-weight:700;margin:2px 0 5px}.timeline-guide p{font-size:13px;color:var(--muted);margin:0}.topic-side img{width:100%;aspect-ratio:2.2;border-radius:8px;margin-bottom:10px}.topic-side h3{font-size:18px;font-weight:700;margin:0 0 8px}.topic-side p{font-size:14px;color:var(--muted)}.btn-primary{background:var(--blue);border-color:var(--blue);border-radius:6px}.article{padding:32px 36px}.article h1{font-size:32px;line-height:1.5;font-weight:700;margin:0 0 14px}.article-header{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px}.article-header .pill{vertical-align:middle;margin-left:10px}.article-meta{color:var(--muted);font-size:14px;display:flex;gap:16px;flex-wrap:wrap}.article-body{font-size:16px;color:#455e80;line-height:1.95;overflow-wrap:anywhere}.article-body h2{font-size:23px;color:var(--ink);font-weight:700;margin:30px 0 14px;padding-left:15px;border-left:4px solid var(--blue);scroll-margin-top:20px}.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:22px 0 12px}.article-body p{margin:0 0 16px}.article-body img{display:block;width:auto;max-width:100%;max-height:550px;border-radius:10px;margin:18px auto}.article-body table{width:100%;border-collapse:collapse;display:block;overflow:auto}.article-body td,.article-body th{padding:10px;border:1px solid var(--line)}.article-body blockquote{background:#f0f7ff;border-color:var(--blue);font-size:15px}.article-body pre{overflow-x:auto}.core-need{background:#edf7ff;padding:16px 20px;border-radius:8px;color:#395b83;font-size:16px;margin-bottom:24px}.core-need .fa{color:var(--blue);font-size:21px;margin-right:12px}.toc{list-style:none;padding:0;margin:0;counter-reset:toc}.toc li{font-size:14px;counter-increment:toc;padding:7px 0}.toc a:before{content:counter(toc,decimal-leading-zero);color:#7c93b1;display:inline-block;width:33px}.linked-content{margin-top:28px;border-top:1px solid var(--line);padding-top:20px}.linked-content h2{font-size:22px;font-weight:700;margin:0 0 14px}.collection-card{overflow:hidden;padding:0}.collection-card>.cover{height:130px;width:100%;display:block}.collection-inner{padding:18px 22px;position:relative}.collection-inner>.pill{margin-top:-34px;position:relative;display:table;background:#edf7ff;border:3px solid white}.collection-inner h3{font-size:20px;line-height:1.5;font-weight:700;margin:9px 0}.collection-inner>p{color:var(--muted);font-size:14px;min-height:45px;margin-bottom:10px}.timeline-records{padding:4px 22px;margin-top:14px}.timeline-row{display:flex;gap:22px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center;position:relative}.timeline-row:last-child{border:0}.timeline-date{width:58px;flex-shrink:0;position:relative;padding-left:15px;align-self:stretch;font-size:15px}.timeline-date:before{content:"";position:absolute;left:0;top:8px;background:var(--blue);width:7px;height:7px;border-radius:50%}.timeline-date:after{content:"";position:absolute;left:3px;width:1px;background:var(--line);top:20px;bottom:-26px}.timeline-row:last-child .timeline-date:after{display:none}.timeline-date small{display:block;font-size:12px;color:var(--muted)}.timeline-row>img{width:150px;height:86px;border-radius:7px}.timeline-row .detail-copy{flex:1}.solution-filter{padding:20px;display:flex;gap:28px;align-items:center;margin-bottom:22px}.solution-filter>.search-field{width:39%;padding:12px 16px;flex-shrink:0}.filter-rows{flex:1;font-size:13px}.filter-line{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:4px 0 9px}.filter-line>span{color:#526b90}.filter-chip{background:#eff7ff;color:#6b87ab;border:1px solid transparent;border-radius:20px;padding:4px 14px;white-space:nowrap;font-size:12px}.filter-chip.active{border-color:#c0dfff;background:#e4f1ff;color:var(--blue)}.solution-card{display:flex;gap:16px;padding:15px}.solution-card>img{width:102px;height:143px;border-radius:8px;align-self:center}.solution-info{min-width:0;flex:1}.solution-info h3{font-size:18px;line-height:1.5;margin:2px 0 10px;font-weight:700}.solution-info h3 .pill{font-size:11px;margin-left:8px}.solution-info p{font-size:14px;color:var(--muted);min-height:48px;margin-bottom:10px}.result-heading{display:flex;align-items:center;justify-content:space-between;margin:10px 3px 14px}.result-heading h2{font-size:21px;margin:0}.sort-control{border:0;background:transparent;color:var(--muted);font-size:13px;max-width:140px}.search-hero{padding:26px 6% 18px}.search-large{padding:8px 10px 8px 20px;background:white;border:1px solid #cce4ff;border-radius:10px;display:flex;gap:18px;align-items:center}.search-large .fa{font-size:21px;color:#7b97b6}.search-large input{flex:1;min-width:0;border:0;outline:0;font-size:20px;padding:7px 0;color:var(--ink);background:none}.search-large button{padding:9px 34px;font-size:16px}.search-help{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding:5px 18px}.search-tabs{display:flex;gap:28px;padding:15px 6% 0;overflow:auto}.search-tabs a{padding:0 5px 10px;font-size:15px;white-space:nowrap;color:var(--muted)}.search-tabs a.active{border-bottom:3px solid var(--blue);color:var(--blue)}.search-layout{padding-top:6px}.search-result{display:flex;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:22px 5px}.search-result:last-child{border:0}.search-result>.number{width:34px;height:34px;font-size:15px}.search-result>.pill{width:84px;text-align:center;font-size:12px}.search-result>img{width:135px;height:85px;border-radius:8px}.search-result .detail-copy{flex:1;min-width:0}.search-result .meta{margin-top:7px}.search-result mark{background:none;color:var(--blue);font-weight:700;padding:0}.empty-state{text-align:center;padding:50px 20px;color:var(--muted)}.empty-state .fa{font-size:34px;color:#a1c7ed;display:block;margin-bottom:16px}.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.suggestions a{text-align:center;background:#edf6ff;color:var(--blue);padding:8px;border-radius:30px;font-size:14px}.history-row{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);align-items:center}.history-row a{flex:1}.history-remove,.history-clear{border:0;background:none;color:var(--muted);font-size:13px}.history-clear{padding:0}.comment-list{margin-top:20px}.comment-item{border-top:1px solid var(--line);padding:15px 0}.comment-item p{margin:5px 0;color:#5d7597;font-size:14px;white-space:pre-wrap}.discussion{margin-top:22px}.discussion h2{font-size:22px;font-weight:700;margin-bottom:16px}.discussion summary{cursor:pointer;color:var(--blue);font-size:16px}.comment-form{margin-top:18px}.comment-form label{display:block;font-size:14px;margin-bottom:12px}.comment-form input,.comment-form textarea{margin-top:5px;width:100%;border:1px solid #d8e7f7;border-radius:6px;padding:10px;background:white;font-weight:400}.comment-form textarea{min-height:130px;resize:vertical}.comment-message{font-size:14px;margin-top:12px;color:#43779e}.honeypot{position:absolute;left:-10000px}.site-footer{border-top:1px solid var(--line);padding:22px 0;color:#8a9bb1;font-size:12px;background:#f8fcff}.footer-inner{display:flex;justify-content:space-between;gap:20px}.skip-link{position:absolute;left:12px;top:-80px;z-index:10;background:white;padding:12px}.skip-link:focus{top:8px}.loading-state{padding:80px;text-align:center}.reading-nav{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px;margin-top:18px;font-size:13px}.reading-nav a{color:#6580a5;max-width:46%}.mobile-only{display:none}.home-lower .mini-list li:nth-child(n+5){display:none}
@media(min-width:1600px){.main-layout{grid-template-columns:minmax(0,1fr) 360px}.topic-copy h3{font-size:19px}.topic-copy p{font-size:14px}.wrap{width:calc(100% - 128px)}}
@media(max-width:1250px){.wrap{width:calc(100% - 48px)}.tagline{display:none}.main-layout{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.topic-intro{gap:12px}.topic-copy h3{font-size:16px}.topic-image{width:33%}.topic-copy .pill{display:none}.mini-row{gap:7px}.mini-row .date{display:none}.mini-row .pill{font-size:10px;padding:2px 6px}.panel-box{padding:16px}.hero .wrap{padding-left:32px}.hero h1{font-size:30px}.card-grid{gap:12px}.solution-card>img{width:80px;height:130px}.solution-info h3{font-size:16px}.solution-info h3 .pill{display:none}.solution-filter{flex-direction:column;align-items:stretch;gap:12px}.solution-filter>.search-field{width:100%}.feature-copy h1{font-size:25px}.feature-copy p{font-size:14px}.detail-row{gap:12px}.detail-row>.date{display:none}.detail-row>.pill{display:none}.search-help{display:none}.article{padding:26px}.article h1{font-size:28px}.timeline-row>img{width:110px;height:80px}.timeline-row{gap:14px}.timeline-row>.pill{display:none}}
@media(max-width:960px){.main-layout{grid-template-columns:minmax(0,1fr) 250px}.card-grid{grid-template-columns:1fr}.topic-image{width:36%;max-width:200px}.topic-copy h3{font-size:18px}.topic-copy .pill{display:inline-block}.topic-copy p{font-size:14px}.mini-row .date{display:inline}.hero h1{font-size:28px}.hero p{font-size:14px;max-width:70%}.site-nav{gap:24px}.feature-card{flex-direction:column;gap:12px}.feature-card>img{width:100%;height:190px;max-height:none}.feature-copy p{margin-bottom:15px}.search-result{gap:12px}.search-result>.pill{display:none}.search-result>img{width:80px;height:65px}.search-tabs{padding-left:0;padding-right:0}.timeline-row>img{display:none}.article{padding:22px}.article h1{font-size:26px}.tag-cloud .pill{font-size:11px;padding:3px 10px}.panel-title h2{font-size:18px}}
@media(max-width:700px){body{font-size:14px}.wrap{width:calc(100% - 28px)}.site-header{height:60px}.header-inner{gap:12px;justify-content:space-between}.brand{font-size:25px}.nav-toggle{display:block}.site-nav{display:none;position:absolute;left:0;right:0;top:59px;height:auto;background:#fff;border-bottom:1px solid var(--line);padding:10px 18px;gap:0;box-shadow:0 10px 20px #254f7b0a;flex-wrap:wrap}.site-nav.is-open{display:flex}.site-nav a{padding:12px 15px;font-size:14px}.site-nav a.active:after{bottom:4px;left:15px;right:15px}.nav-search{margin-left:auto}.hero{height:176px;background-position:57% center;isolation:isolate}.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f9fcfff0,#f7fbffd6 65%,#f7fbff20)}.hero .wrap{padding-left:10px}.hero h1{font-size:27px;max-width:95%;line-height:1.55;letter-spacing:1px}.hero p{font-size:13px;max-width:86%;line-height:1.8}.hero-small{height:50px}.main-layout{display:flex;flex-direction:column;padding:16px 0 25px;gap:22px}.sidebar{display:grid;grid-template-columns:1fr;gap:14px}.home-layout .sidebar{grid-template-columns:1fr}.panel-box{padding:16px;border-radius:10px}.section-heading h2{font-size:21px}.section-heading .more{font-size:12px}.topic-intro{gap:12px}.topic-image{width:34%;max-width:none;aspect-ratio:1.15}.topic-copy h3{font-size:17px;margin-top:0}.topic-copy .pill{display:none}.topic-copy p{font-size:12px;line-height:1.7;-webkit-line-clamp:2;margin-bottom:7px}.topic-copy .meta{font-size:10px;gap:6px}.mini-row{font-size:13px;gap:9px;padding:9px 0}.mini-row .date{display:none}.mini-row .pill{font-size:10px}.number{min-width:25px;height:25px}.section-space{margin-top:22px}.topic-card{padding:13px}.panel-title h2{font-size:19px}.recent-row{padding:10px 0}.recent-copy strong{font-size:14px}.recent-copy p{font-size:12px}.popular-row img{width:76px;height:50px}.popular-copy strong{font-size:14px}.tag-cloud{gap:9px}.tag-cloud .pill{font-size:12px;padding:4px 13px}.filter-bar{gap:10px;padding:11px}.filter-tabs{gap:4px}.filter-tabs a{font-size:13px;padding:5px 12px}.filter-search{margin-left:0;width:100%;max-width:none}.filter-tabs+.filter-search{border-top:1px solid var(--line)}.feature-card{padding:13px}.feature-card>img{height:180px}.feature-copy h1{font-size:25px;margin:4px 0 9px}.feature-copy h1 .pill{font-size:11px;margin-left:5px;padding:3px 8px}.feature-copy p{font-size:14px;line-height:1.8;margin-bottom:16px}.feature-copy .meta{font-size:12px;gap:8px 12px}.content-tabs{gap:26px;margin-bottom:15px}.content-tabs a{font-size:16px;padding-bottom:10px}.detail-row{gap:12px;align-items:flex-start;padding:16px 0}.detail-row>.number{width:34px;height:36px;font-size:15px;min-width:34px}.detail-copy h3{font-size:16px;line-height:1.6}.detail-copy p{font-size:13px;line-height:1.7}.detail-row .chevron{margin-top:12px}.breadcrumb-row{padding-top:14px;font-size:12px;gap:7px}.article{padding:20px 17px}.article h1{font-size:25px}.article h1 .pill{font-size:11px;margin:5px 4px 0 0}.article-meta{font-size:12px;gap:5px 12px}.article-header{margin-bottom:20px;padding-bottom:16px}.article-body{font-size:15px;line-height:1.95}.article-body h2{font-size:21px;margin-top:26px}.article-body h3{font-size:18px}.core-need{font-size:14px;padding:13px 14px}.topic-side img{max-height:190px}.collection-card{padding:0}.collection-card>.cover{height:140px}.collection-inner{padding:16px}.collection-inner h3{font-size:19px}.collection-inner>p{font-size:13px;min-height:0}.timeline-records{padding:0 13px}.timeline-row{gap:12px;padding:17px 0}.timeline-date{font-size:13px;width:52px;padding-left:12px}.timeline-date small{font-size:11px}.timeline-row .detail-copy h3{font-size:15px}.timeline-row .chevron{font-size:11px}.solution-filter{padding:14px;margin-bottom:20px}.filter-chip{font-size:12px;padding:4px 11px}.filter-line{gap:6px}.filter-line>span{width:100%;margin-bottom:2px}.solution-card{gap:13px;padding:13px}.solution-card>img{width:84px;height:128px}.solution-info h3{font-size:17px;line-height:1.5}.solution-info p{font-size:12px;min-height:0;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.solution-info .meta{font-size:10px;gap:5px 10px}.result-heading h2{font-size:18px}.sort-control{font-size:12px}.search-hero{padding:18px 0 9px}.search-large{padding:6px 7px 6px 12px;gap:10px}.search-large input{font-size:17px}.search-large .fa{font-size:18px}.search-large button{padding:8px 18px;font-size:14px}.search-tabs{gap:20px;padding-top:12px}.search-tabs a{font-size:13px;padding-left:0;padding-right:0}.search-result{gap:12px;padding:18px 0}.search-result>.number{width:28px;min-width:28px;height:29px;font-size:12px}.search-result>img{display:none}.search-result .detail-copy h3{font-size:16px}.search-result .detail-copy p{font-size:12px}.search-result .meta{font-size:11px;gap:5px 10px}.search-result .chevron{font-size:11px}.search-result .meta span:last-child{display:none}.search-layout{padding-top:10px}.search-results-box{padding:14px}.footer-inner{flex-direction:column;gap:5px;text-align:center}.site-footer{padding:20px 0}.reading-nav{font-size:12px;padding:13px}.page-count{display:none}.mobile-only{display:inline}.home-lower .mini-list li:nth-child(n+4){display:none}.sidebar .stat-grid{margin:10px 0}.sidebar .stat-grid strong{font-size:24px}.timeline-guide{padding:3px}.tagline{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Keep narrow sidebars and horizontally scrollable tabs within their grid tracks. */
.sidebar>*{min-width:0}.timeline-guide li>div{min-width:0}.content-tabs,.search-tabs{max-width:100%;scrollbar-width:none}.content-tabs::-webkit-scrollbar,.search-tabs::-webkit-scrollbar{display:none}.content-tabs a{flex-shrink:0}.breadcrumb-row>*{min-width:0;overflow-wrap:anywhere}.article-body figcaption{font-size:13px;color:var(--muted);margin:-8px 0 20px}.reading-nav a{overflow-wrap:anywhere}
@media(max-width:700px){.sidebar,.home-layout .sidebar{grid-template-columns:minmax(0,1fr)}}

p.date{white-space:normal;overflow-wrap:anywhere}

/* Override Bootstrap's automatic black focus ring without hiding keyboard focus. */
#website a:focus,#website button:focus,.skip-link:focus{outline:2px solid #84beff;outline-offset:3px}
#website a:focus:not(:focus-visible),#website button:focus:not(:focus-visible){outline:none}

/* Keep the established homepage grid; align the compact service entry in the banner. */
.hero-home .hero-intro{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;position:relative;padding-bottom:14px}
.hero-home .hero-intro:after{content:"";position:absolute;left:0;bottom:0;background:#3576a2;width:34px;height:2px}
.hero-home .hero-intro p{max-width:none;font-size:15px;line-height:1.8}
.hero-home .hero-intro p:after{display:none}
.hero-contact{white-space:nowrap;flex-shrink:0;font-size:13px;line-height:1.5;padding:7px 15px}
.hero-contact .fa{margin-left:6px}
.home-layout .topic-card{display:flex;flex-direction:column}
.home-layout .topic-card .expand-link{margin-top:auto;padding-top:10px}
.wechat-dialog{width:420px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 40px);overflow:auto;margin:auto;padding:30px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#fff;box-shadow:0 20px 80px #0c234e30}
.wechat-dialog::backdrop{background:#0c234e66}
.wechat-dialog h2{font-size:22px;font-weight:700;margin:4px 28px 12px 0}
.wechat-dialog>p{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 18px}
.wechat-close{position:absolute;right:14px;top:12px;border:0;background:transparent;color:var(--muted);padding:7px 10px;font-size:18px}
.wechat-account{padding:18px;background:var(--pale);border:1px solid var(--line);border-radius:9px;margin-bottom:18px}
.wechat-account span{display:block;color:var(--muted);font-size:13px;margin-bottom:4px}
.wechat-account strong{display:block;font-size:30px;letter-spacing:1px;overflow-wrap:anywhere;user-select:all}
.wechat-dialog>.btn{width:100%;padding:9px 15px}
.wechat-dialog .wechat-message{min-height:24px;margin:12px 0 0;font-size:13px;color:#365678}
@media(max-width:1100px){.hero-home{height:auto;min-height:164px;padding:20px 0}.hero-home .hero-intro p{max-width:100%}}
@media(max-width:700px){.hero-home{min-height:190px;padding:22px 0}.hero-home h1{font-size:25px;margin-bottom:12px}.hero-home .hero-intro{gap:12px;padding-bottom:14px}.hero-home .hero-intro p{font-size:13px;max-width:100%}.hero-contact{font-size:13px;padding:7px 14px}.wechat-dialog{padding:24px}.wechat-dialog h2{font-size:20px}.wechat-account strong{font-size:27px}}

/* PC keeps the established two-column content and sidebar; narrower screens reflow. */
.header-inner>*{min-width:0}
.brand{flex-shrink:0;max-width:48%;overflow:hidden;text-overflow:ellipsis}
.tagline{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-nav{flex-shrink:0}
.nav-toggle{min-width:44px;min-height:44px}
.hero{height:auto;min-height:164px;padding:22px 0}
.hero h1,.feature-copy h1,.article h1,.topic-copy h3,.detail-copy h3,.popular-copy strong,.recent-copy strong{overflow-wrap:anywhere}
.hero-intro,.topic-intro,.feature-copy,.timeline-row .detail-copy,.filter-bar>*{min-width:0}
.panel-title h2,.section-heading h2{min-width:0;overflow-wrap:anywhere}
.panel-title .more,.section-heading .more{flex-shrink:0}
.pill{max-width:100%;overflow:hidden;text-overflow:ellipsis;vertical-align:middle}
.mini-row .pill{flex-shrink:0;max-width:7em}
.mini-row .row-title{min-width:0}
.detail-row>.pill{display:inline-block;flex-shrink:0;max-width:9em}
.detail-row>.chevron,.mini-row>.chevron{flex-shrink:0}
.pagination-row{flex-wrap:wrap}
.feature-card>img{flex-shrink:0}
.article-body{min-width:0;max-width:100%}
.article-body table{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-body pre{max-width:100%;overflow-x:auto}
.article-body figure{max-width:100%;margin-left:0;margin-right:0}
.article-body img,.article-body video,.article-body iframe,.article-body embed{max-width:100%;height:auto}
.meta>span,.article-meta>*{max-width:100%;overflow-wrap:anywhere}
.footer-inner>*{min-width:0;overflow-wrap:anywhere}
.article-mobile-toc{display:none}
@media(max-width:1100px){
    .wrap{width:calc(100% - 40px)}
    .main-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;padding-bottom:32px}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .sidebar,.home-layout .sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
    .sidebar>:only-child,.home-layout .sidebar>:last-child:nth-child(odd){grid-column:1/-1}
    .topic-image{width:33%;max-width:none;aspect-ratio:1.6}
    .topic-copy h3{font-size:17px}
    .topic-copy p{font-size:13px}
    .hero .wrap{padding-left:18px}
    .hero h1{font-size:28px}
    .hero p{max-width:100%}
    .feature-card{flex-direction:row;align-items:center;gap:20px}
    .feature-card>img{width:34%;height:auto;aspect-ratio:1.6;max-height:240px}
    .feature-copy h1{font-size:26px}
    .detail-row>.pill{display:inline-block;font-size:12px}
    #toc-box{display:none}
    .article-mobile-toc{display:block;border:1px solid var(--line);background:var(--pale);border-radius:8px;padding:0 16px;margin:0 0 22px}
    .article-mobile-toc summary{min-height:44px;padding:10px 0;font-size:15px;font-weight:700;color:var(--ink);cursor:pointer}
    .article-mobile-toc .toc{max-height:320px;overflow-y:auto;padding:0 0 12px}
    .article-mobile-toc .toc li{padding:0}
    .article-mobile-toc .toc a{display:block;min-height:36px;padding:6px 0;overflow-wrap:anywhere}
    .article{padding:28px}
    .search-result .detail-copy{min-width:0}
    .search-help{display:none}
}
@media(max-width:700px){
    .wrap{width:calc(100% - 28px)}
    .brand{max-width:calc(100% - 60px)}
    .nav-toggle{padding:8px}
    .site-nav a{min-height:44px}
    .main-layout{gap:20px;padding-top:16px}
    .card-grid,.sidebar,.home-layout .sidebar{grid-template-columns:minmax(0,1fr);gap:14px}
    .sidebar>*,.home-layout .sidebar>:last-child:nth-child(odd){grid-column:auto}
    .hero .wrap{padding-left:4px}
    .hero h1{font-size:25px;max-width:100%;line-height:1.5}
    .hero p,.hero-home .hero-intro p{max-width:100%;font-size:14px;line-height:1.8}
    .hero-contact{min-height:42px}
    .topic-intro{gap:12px}
    .topic-image{width:32%;aspect-ratio:1.3}
    .topic-copy h3{font-size:17px;line-height:1.55}
    .topic-copy p{font-size:13px;line-height:1.75}
    .topic-copy .meta{font-size:11px}
    .mini-row{min-height:44px;padding:9px 0;gap:8px}
    .mini-row .row-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.6}
    .mini-row .pill{max-width:6.5em;font-size:10px;padding:2px 7px}
    .feature-card{flex-direction:column;align-items:stretch;gap:14px}
    .feature-card>img{width:100%;height:auto;aspect-ratio:16/9;max-height:240px}
    .feature-copy{padding:0}
    .feature-copy h1{font-size:24px}
    .feature-copy p{font-size:14px;line-height:1.8;margin-bottom:14px}
    .detail-row{display:grid;grid-template-columns:34px minmax(0,1fr) 12px;gap:8px 12px;align-items:start}
    .detail-row>.number{grid-column:1;grid-row:1/span 2;width:34px;height:36px;align-self:start}
    .detail-row>.detail-copy{grid-column:2;grid-row:1;min-width:0}
    .detail-row>.pill{display:inline-block;grid-column:2;grid-row:2;justify-self:start;margin:0;max-width:100%;font-size:11px;padding:3px 10px}
    .detail-row>.chevron{grid-column:3;grid-row:1/span 2;align-self:center;margin:0}
    .detail-copy h3{font-size:17px;line-height:1.6}
    .detail-copy p{font-size:13px;line-height:1.75}
    .filter-bar{align-items:stretch}
    .filter-search{width:100%;max-width:100%}
    .filter-tabs{width:100%;gap:4px}
    .filter-tabs a{min-height:38px;display:flex;align-items:center;padding:5px 12px}
    .search-field input,.comment-form input,.comment-form textarea,.sort-control{font-size:16px}
    .search-field button{min-width:30px;min-height:30px}
    .search-tabs{gap:20px;max-width:100%}
    .search-result{padding:18px 0;gap:10px}
    .search-result .detail-copy h3{font-size:16px}
    .search-large{gap:10px}
    .search-large button{padding:8px 16px;min-height:42px}
    .page-link{min-width:38px;min-height:40px}
    .article{padding:22px 17px}
    .article h1{font-size:25px;line-height:1.55}
    .article-header .pill{margin:4px 4px 0 0}
    .article-meta{line-height:1.8}
    .article-body{font-size:16px;line-height:1.95}
    .article-body h2{font-size:21px;line-height:1.5}
    .article-body h3{font-size:18px;line-height:1.55}
    .article-body td,.article-body th{padding:8px;font-size:14px}
    .article-body blockquote{padding:12px 14px}
    .reading-nav{flex-wrap:wrap;gap:10px}
    .reading-nav a{max-width:100%}
    .wechat-dialog>.btn,.wechat-close{min-height:44px}
    .wechat-close{min-width:44px}
    .wechat-dialog{max-height:calc(100dvh - 32px)}
}
@media(max-width:360px){
    .wrap{width:calc(100% - 24px)}
    .panel-box{padding:13px}
    .brand{font-size:23px}
    .hero h1{font-size:23px}
    .topic-intro{gap:10px}
    .topic-copy h3{font-size:16px}
    .topic-copy .meta{font-size:10px}
    .detail-row{grid-template-columns:28px minmax(0,1fr) 10px;column-gap:9px}
    .detail-row>.number{width:28px;min-width:28px;height:32px;font-size:14px}
    .article h1{font-size:23px}
    .search-large{padding-left:10px;gap:7px}
    .search-large button{padding:8px 12px;font-size:14px}
}

/* Additional soft colors shared by scene categories and content tags. */
.pill.rose{background:#fce8e8;color:#a93f4b}
.pill.pink{background:#fbe8f1;color:#a63c70}
.pill.cyan{background:#e0f4f8;color:#246c80}
.pill.teal{background:#def2ec;color:#256e61}
.pill.indigo{background:#e8ebfa;color:#4d5eaa}
.pill.yellow{background:#fff3ce;color:#87651d}
.pill.brown{background:#f3e9df;color:#805b3e}
.pill.slate{background:#e9eef3;color:#546779}

/* Bound editorial previews without shortening the saved text or article body. */
.topic-copy{flex:1;min-width:0}
.topic-image{flex-shrink:0}
.topic-copy h3{display:flex;align-items:center;gap:6px;min-width:0}
.topic-copy h3>a{display:block;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-copy h3>.pill{flex-shrink:0;margin-left:0}
.detail-copy,.recent-copy,.popular-copy,.feature-copy,.collection-inner{min-width:0;max-width:100%}
.topic-copy p,.detail-copy h3,.detail-copy p,.recent-copy strong,.recent-copy p,
.popular-copy strong,.popular-copy small,.topic-side h3,.topic-side p,
.collection-inner h3,.collection-inner>p,.feature-title,.feature-copy>p,.hero h1,.hero p{
    display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;
    overflow:hidden;text-overflow:ellipsis;overflow-wrap:anywhere;word-break:normal;
    white-space:normal;min-width:0;
}
.topic-copy p,.topic-side p,.collection-inner>p,.feature-copy>p{-webkit-line-clamp:3}
.recent-copy p{-webkit-line-clamp:1}
.popular-copy small{line-height:1.6}
.detail-copy h3{line-height:1.6}
.collection-inner h3>a{overflow-wrap:anywhere}
.feature-copy h1{display:flex;align-items:center;gap:10px;min-width:0}
.feature-title{flex:1;min-width:0}
.feature-copy h1>.pill{flex-shrink:0;margin-left:0}
.mini-row .row-title{white-space:nowrap;display:block;overflow:hidden;text-overflow:ellipsis;min-width:0}
.section-heading h2,.panel-title h2{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.section-heading>.more,.panel-title>.more{flex-shrink:0}
@media(max-width:700px){
    .topic-copy p{-webkit-line-clamp:2}
    .mini-row .row-title{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;white-space:normal;overflow-wrap:anywhere}
    .feature-copy h1{align-items:flex-start;gap:8px}
}