.editorial{--ink:#102d4b;--body:#344e65;--blue:#174eac;--teal:#058f9b;--line:#dce5ee;--soft:#f1f5f9;--paper:#fff;font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
.editorial *{box-sizing:border-box}
.editorial{scroll-behavior:smooth;scroll-padding-top:100px}
.editorial{margin:0}
.editorial a{color:inherit;text-decoration:none}
.editorial button,.editorial input{font:inherit}
.editorial img{max-width:100%;height:auto}
.editorial figure{margin:0}
.editorial a:focus-visible,.editorial summary:focus-visible,.editorial [tabindex]:focus-visible{outline:3px solid #168cbd;outline-offset:5px}
.editorial ::selection{background:#d5eef1}
.editorial .shell{width:min(1120px,calc(100% - 80px));margin-inline:auto}
.editorial .skip-link{position:fixed;left:16px;top:-80px;background:white;padding:14px;z-index:100}
.editorial .skip-link:focus{top:10px}
.editorial .preview-banner{background:#eaf1f8;font-size:12px;color:#45617d}
.editorial .preview-banner>.shell{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:12px}
.editorial .preview-banner i{display:inline-block;width:6px;height:6px;background:#138b94;border-radius:50%;margin-right:8px;vertical-align:middle}
.editorial .preview-banner a:hover{text-decoration:underline}
.editorial .masthead{position:sticky;top:0;background:#fffffff5;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:20}
.editorial .masthead-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.editorial .brand{display:block;width:174px;height:28px;overflow:hidden;position:relative;flex-shrink:0}
.editorial .brand img{position:absolute;width:174px;max-width:none;height:auto;left:0;top:50%;transform:translateY(-50%)}
.editorial .masthead nav{display:flex;gap:30px;align-items:center;font-size:14px}
.editorial .masthead nav a:hover{color:var(--blue)}
.editorial .masthead nav a[aria-current]{color:var(--blue);font-weight:600}
.editorial .button{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--blue);color:#fff;border-radius:30px;padding:14px 23px;font-size:14px;font-weight:600;line-height:1.6;min-height:44px}
.editorial .button:hover{background:#103b87}
.editorial .button.small{font-size:13px;padding:10px 19px}
.editorial .button.light{background:#fff;color:var(--ink)}
.editorial .button.light:hover{background:#e4f0f5}
.editorial .button.outline{color:var(--blue);border:1px solid #bdcde1;background:#fff}
.editorial .eyebrow{display:block;font-size:11px;line-height:1.8;letter-spacing:1.8px;color:var(--blue);font-weight:600}
.editorial .eyebrow b{margin-left:18px;color:#6e879f;font-weight:400;letter-spacing:1px}
.editorial .article-hero{background:linear-gradient(120deg,#f0f5fa 0%,#f8fafc 53%,#eaf1f5 100%);border-bottom:1px solid var(--line);padding:27px 0 40px}
.editorial .breadcrumb{font-size:12px;display:flex;gap:12px;line-height:1.7;color:#60778d}
.editorial .breadcrumb a:hover{color:var(--blue)}
.editorial .hero-grid{display:grid;grid-template-columns:1.17fr 1fr;gap:45px;align-items:center;min-height:398px;padding-top:26px}
.editorial .hero-copy h1{font-size:clamp(29px,3.1vw,43px);font-weight:650;line-height:1.4;letter-spacing:-.035em;margin:17px 0 22px;text-wrap:pretty}
.editorial .hero-copy>p{font-size:16px;line-height:1.95;color:#536b81;margin:0;max-width:530px}
.editorial .hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;font-size:11px;color:#637b90}
.editorial .hero-meta span+span{border-left:1px solid #bdcbd7;padding-left:12px}
.editorial .hero-art{min-width:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.editorial .hero-art figcaption{font-size:11px;color:#678093;text-align:center;margin:10px 0 0;letter-spacing:1px}
.editorial .product-stage{height:340px;position:relative;display:flex;align-items:center;justify-content:center;gap:15px;isolation:isolate}
.editorial .product-stage:before{content:"";position:absolute;z-index:-1;width:88%;height:85%;background:radial-gradient(ellipse,#ffffffeb 5%,#e0ebf070 65%,transparent 73%);border-radius:50%;inset:auto}
.editorial .product-object{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;width:88%;height:100%}
.editorial .product-object img{object-fit:contain;width:100%;height:calc(100% - 30px);filter:drop-shadow(0 14px 13px #2546601a)}
.editorial .product-object>span{font-size:12px;letter-spacing:1px;color:#3c5c77;margin-top:10px}
.editorial .product-stage:has(.phone-object) .product-object{width:63%;padding-right:20px}
.editorial .phone-object{width:34%;height:80%;object-fit:contain;filter:drop-shadow(0 10px 8px #123b491a)}
.editorial .pair .product-object{width:48%;height:91%}
.editorial .pair .product-object:nth-child(2){width:39%;height:80%}
.editorial .reading-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:66px;align-items:start;padding-top:58px;padding-bottom:60px}
.editorial .sidebar{position:sticky;top:110px;max-height:calc(100vh - 135px);overflow-y:auto;scrollbar-width:thin}
.editorial .contents>p{font-size:14px;font-weight:600;margin:0 0 20px;display:flex;justify-content:space-between;align-items:center}
.editorial .contents>p span{font-size:9px;font-weight:400;letter-spacing:1.2px;color:#6f8799}
.editorial .contents ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.editorial .contents li{margin:0}
.editorial .contents a{display:flex;gap:11px;font-size:13px;line-height:1.85;padding:12px 7px 12px 0;border-bottom:1px solid var(--line);color:#536d84}
.editorial .contents a span{font-size:10px;line-height:2.4;color:#7b95ac;flex-shrink:0}
.editorial .contents a:hover,.editorial .contents a[aria-current]{color:var(--blue);background:#f1f6fb}
.editorial .sidebar-back{display:block;margin-top:24px;font-size:12px;color:var(--blue)}
.editorial .article-body{min-width:0;max-width:800px;font-size:16px;line-height:2.05;color:var(--body)}
.editorial .article-body>p,.editorial .article-body section>p{margin:0 0 20px}
.editorial .article-body strong{color:#173750;font-weight:650}
.editorial .article-body section{margin:42px 0 0;scroll-margin-top:110px}
.editorial .article-body h2{color:var(--ink);font-size:25px;line-height:1.55;margin:0 0 22px;letter-spacing:-.025em;font-weight:650;text-wrap:pretty}
.editorial .article-body h3{font-size:18px;line-height:1.6;color:var(--ink);margin:25px 0 12px;font-weight:600}
.editorial .article-body a:not(.button):not(.product-link){color:var(--blue);text-decoration:underline;text-decoration-color:#b8cce4;text-underline-offset:4px}
.editorial .article-body ul{padding-left:23px;margin:16px 0 24px}
.editorial .article-body li{padding-left:3px;margin:8px 0}
.editorial .key-point{background:#eff6f9;border-left:3px solid var(--teal);padding:22px 25px;margin-bottom:30px}
.editorial .key-point>span{color:#057f88;font-size:12px;font-weight:600;letter-spacing:1px}
.editorial .key-point p{margin:8px 0 0;font-size:17px;line-height:1.9;color:#1b405a}
.editorial .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:22px 0;background:#fff}
.editorial .table-scroll table{border-collapse:collapse;width:100%;min-width:570px;font-size:14px;line-height:1.8}
.editorial .table-scroll caption{text-align:left;background:#f3f7fb;padding:15px 18px;color:#345674;font-weight:600;font-size:13px}
.editorial .table-scroll th,.editorial .table-scroll td{text-align:left;vertical-align:top;padding:15px 17px;border-top:1px solid var(--line)}
.editorial .table-scroll thead{background:#173f65;color:white}
.editorial .table-scroll thead th{font-weight:500;border-top:0}
.editorial .table-scroll tbody th{font-weight:500;color:#254d6d;min-width:130px}
.editorial .table-scroll tbody tr:nth-child(even){background:#f7fafc}
.editorial .table-hint{font-size:12px;color:#70869b}
.editorial .article-body blockquote{padding:16px 24px;border-left:3px solid #729bbc;margin:20px 0;background:#f6f8fb;color:#274e6c}
.editorial .connection-flow{padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin:24px 0}
.editorial .connection-flow li{margin:0;padding:14px 13px;background:#f0f6fa;border:1px solid #dce7ef;border-radius:8px}
.editorial .connection-flow li>span{display:block;font-size:11px;color:#068c96}
.editorial .connection-flow strong{display:block;font-size:14px;margin:9px 0 5px}
.editorial .connection-flow small{font-size:12px;line-height:1.7;display:block;color:#647d91}
.editorial .data-chips{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 25px}
.editorial .data-chips span{border:1px solid #d4e3ed;background:#f7fafc;border-radius:25px;font-size:13px;padding:5px 14px;color:#416881}
.editorial .related-products{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px;margin:35px 0}
.editorial .product-link{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:12px;padding:18px;background:#f8fafc}
.editorial .product-link:hover{border-color:#8faed0;background:#f0f6fa}
.editorial .product-link img{width:90px;height:112px;object-fit:contain;flex-shrink:0}
.editorial .product-link span{display:grid;gap:3px}
.editorial .product-link small{font-size:12px;color:#6c859b}
.editorial .product-link strong{font-size:22px}
.editorial .product-link em{font-size:12px;font-style:normal;color:var(--blue)}
.editorial .contact-card{background:#133b60;padding:30px 32px;border-radius:14px;margin-top:32px;color:white}
.editorial .contact-card .eyebrow{color:#8ed7de}
.editorial .contact-card h2{color:white;font-size:25px;margin:12px 0}
.editorial .contact-card>p{color:#cbdce9;font-size:14px;line-height:1.8}
.editorial .contact-card>div{display:flex;gap:20px;flex-wrap:wrap;align-items:center;margin-top:20px}
.editorial .article-body .contact-card a:not(.button){color:#e4f3fb;text-decoration:none;font-size:13px}
.editorial .seo-review{font-size:13px;border:1px dashed #c8d7e4;padding:15px 20px;border-radius:9px;margin-top:32px}
.editorial .seo-review summary{cursor:pointer;color:#657e93}
.editorial .seo-review dl{margin-top:18px}
.editorial .seo-review dt{color:#224f78;font-weight:600}
.editorial .seo-review dd{margin:4px 0 16px;overflow-wrap:anywhere}
.editorial .article-pagination{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--line);padding-top:30px;padding-bottom:40px}
.editorial .article-pagination>a{padding:25px 27px;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:flex-start}
.editorial .article-pagination>a:hover{background:#f5f8fc;border-color:#a8bfd6}
.editorial .article-pagination small{font-size:12px;color:#6c8399}
.editorial .article-pagination strong{font-size:20px;line-height:1.6;margin:10px 0 18px;font-weight:600}
.editorial .article-pagination span{font-size:13px;color:var(--blue);margin-top:auto}
.editorial .further-reading{padding-bottom:60px;font-size:14px;line-height:1.8}
.editorial .further-reading p{color:#688097;margin:0 0 5px}
.editorial .further-reading a{color:var(--blue)}
.editorial .footer{padding:40px 0;border-top:1px solid var(--line);background:#f8fafc}
.editorial .footer>.shell{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}
.editorial .footer p{color:#6c8295;font-size:13px;margin-top:20px}
.editorial .footer>.shell>div:not(:first-child){display:flex;flex-direction:column;gap:13px;font-size:13px}
.editorial .footer>.shell>div>span{font-size:11px;color:#7c90a2;margin-bottom:4px}
.editorial .footer a:hover{color:var(--blue)}
.editorial .footer a{overflow-wrap:anywhere}
.editorial .collection-hero{padding:65px 0 62px;background:linear-gradient(130deg,#eaf1f8,#f8fafc 55%,#e6f1f3)}
.editorial .collection-hero h1{font-size:clamp(35px,4.5vw,57px);line-height:1.3;font-weight:650;letter-spacing:-.035em;margin:20px 0 24px}
.editorial .collection-hero p{color:#61798f;font-size:17px;line-height:1.9;margin:0}
.editorial .topic-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.editorial .topic-pills span{font-size:12px;background:#ffffffb3;border:1px solid #d3dfe9;padding:9px 15px;border-radius:25px;color:#4e6d86}
.editorial .collection{padding-top:48px;padding-bottom:55px}
.editorial .collection-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:25px}
.editorial .collection-heading h2{font-size:26px;font-weight:600;margin:0}
.editorial .collection-heading p{font-size:13px;color:#788da0;margin:0}
.editorial .article-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.editorial .article-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff;transition:box-shadow .18s,border-color .18s}
.editorial .article-card:hover{border-color:#a6bed7;box-shadow:0 10px 30px #153c5a0b}
.editorial .card-image{height:245px;position:relative;background:linear-gradient(125deg,#f0f5f9,#e8f0f5)}
.editorial .card-image .product-stage{height:230px;padding:12px 45px}
.editorial .card-image .product-object{width:70%}
.editorial .card-image .product-stage:has(.phone-object) .product-object{width:45%}
.editorial .card-image .phone-object{width:25%}
.editorial .card-image .pair .product-object{width:43%}
.editorial .card-image .product-object>span{display:none}
.editorial .card-index{position:absolute;top:20px;left:23px;font-size:13px;color:#7891a7;letter-spacing:1px}
.editorial .card-copy{padding:27px 30px 29px;display:flex;flex-direction:column;flex:1}
.editorial .card-copy h2{font-size:24px;line-height:1.55;margin:12px 0 13px;font-weight:600;letter-spacing:-.025em}
.editorial .card-copy p{font-size:14px;color:#607a91;line-height:1.9;margin:0 0 22px}
.editorial .card-link{color:var(--blue);font-size:13px;font-weight:600;display:flex;justify-content:space-between;margin-top:auto}
.editorial .collection-bottom{padding:30px 0 55px;border-top:1px solid var(--line)}
.editorial .collection-bottom h2{font-size:24px;font-weight:600;margin-bottom:23px}
.editorial .collection-bottom>div{display:flex;flex-wrap:wrap;gap:13px}
.editorial .article-body{width:100%}
.editorial .has-scene{position:relative;isolation:isolate;overflow:hidden;background:#eaf1f4;padding-bottom:22px}
.editorial .hero-scene{position:absolute;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;object-position:center 58%;max-width:none}
.editorial .has-scene:before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(245,249,252,.98) 0%,rgba(245,249,252,.94) 28%,rgba(245,249,252,.79) 48%,rgba(240,246,250,.38) 71%,rgba(238,245,249,.16) 100%)}
.editorial .has-scene:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(234,242,246,.88),transparent 27%,transparent 80%,rgba(240,246,250,.3))}
.editorial .has-scene .hero-grid{min-height:420px}
.editorial .has-scene .product-stage:before{width:110%;height:110%;background:radial-gradient(ellipse,rgba(248,251,253,.94) 0%,rgba(243,249,252,.6) 44%,transparent 72%)}
.editorial .has-scene .hero-copy>p{color:#344e65}
.editorial .has-scene .hero-meta,.editorial .has-scene .breadcrumb{color:#405d75}
.editorial .has-scene .product-object>span,.editorial .has-scene .hero-art figcaption{color:#1c405e;text-shadow:0 1px 8px #fff,0 1px 4px #fff}
.editorial .scene-caption{display:block;text-align:right;font-size:10px;color:#3e596a;margin-top:12px}
@media(max-width:760px){.editorial .has-scene .hero-grid{min-height:0}
.editorial .has-scene:before{background:linear-gradient(180deg,#f4f8fb 0%,rgba(244,248,251,.96) 28%,rgba(244,248,251,.85) 48%,rgba(244,248,251,.22) 75%,rgba(244,248,251,.48) 100%)}
.editorial .hero-scene{object-position:65% center}
.editorial .scene-caption{font-size:9px}}
@media(min-width:1450px){.editorial .hero-copy h1{font-size:44px}
.editorial .shell{width:1120px}}
@media(max-width:1000px){.editorial .shell{width:calc(100% - 48px)}
.editorial .reading-layout{grid-template-columns:195px minmax(0,1fr);gap:35px}
.editorial .masthead nav{gap:18px}
.editorial .hero-grid{gap:20px;grid-template-columns:1.25fr 1fr}
.editorial .hero-copy h1{font-size:34px}
.editorial .product-stage{height:290px}
.editorial .hero-copy>p{font-size:15px}
.editorial .contents a{font-size:12px}
.editorial .connection-flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.editorial{scroll-padding-top:85px}
.editorial .shell{width:calc(100% - 36px)}
.editorial .preview-banner{font-size:10px}
.editorial .preview-banner>.shell{min-height:32px}
.editorial .masthead-inner{height:65px;gap:14px}
.editorial .brand{width:145px;height:27px}
.editorial .brand img{width:145px}
.editorial .masthead nav{display:none}
.editorial .button.small{font-size:12px;padding:9px 15px}
.editorial .hero-grid{grid-template-columns:1fr;gap:12px;padding-top:25px}
.editorial .article-hero{padding:23px 0 25px}
.editorial .hero-copy h1{font-size:31px;line-height:1.4;margin:14px 0 18px}
.editorial .hero-copy>p{font-size:15px;line-height:1.9}
.editorial .hero-meta{margin-top:20px;gap:10px;font-size:10px}
.editorial .hero-art{padding-top:10px}
.editorial .product-stage{height:260px;max-width:430px;width:100%;margin:auto}
.editorial .product-object{width:80%}
.editorial .hero-art figcaption{font-size:10px}
.editorial .reading-layout{display:flex;flex-direction:column;gap:28px;padding-top:28px;padding-bottom:35px}
.editorial .sidebar{position:static;max-height:none;width:100%;overflow:visible}
.editorial .contents{border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.editorial .contents>p{margin-bottom:12px}
.editorial .contents ol{border-top:0}
.editorial .contents a{padding:8px 0;font-size:13px;line-height:1.7}
.editorial .contents li:last-child a{border-bottom:0}
.editorial .sidebar-back{display:none}
.editorial .article-body{font-size:16px;line-height:2}
.editorial .article-body h2{font-size:23px;line-height:1.55}
.editorial .article-body h3{font-size:18px}
.editorial .article-body section{margin-top:35px;scroll-margin-top:88px}
.editorial .key-point{padding:18px 20px}
.editorial .key-point p{font-size:16px}
.editorial .table-scroll table{font-size:13px}
.editorial .table-scroll th,.editorial .table-scroll td{padding:12px 14px}
.editorial .contact-card{padding:25px 23px}
.editorial .contact-card h2{font-size:23px}
.editorial .contact-card>div{gap:14px}
.editorial .article-pagination{gap:15px;padding:25px 0 30px}
.editorial .article-pagination>a{padding:19px 17px}
.editorial .article-pagination strong{font-size:16px;line-height:1.65}
.editorial .article-pagination small,.editorial .article-pagination span{font-size:11px}
.editorial .further-reading{padding-bottom:35px;font-size:13px}
.editorial .footer{padding:30px 0}
.editorial .footer>.shell{grid-template-columns:1fr 1fr;gap:25px 20px}
.editorial .footer>.shell>div:first-child{grid-column:1/-1}
.editorial .footer p{margin:12px 0 0}
.editorial .footer>.shell>div:not(:first-child){font-size:12px}
.editorial .collection-hero{padding:40px 0}
.editorial .collection-hero h1{font-size:39px;margin:17px 0 20px}
.editorial .collection-hero p{font-size:15px}
.editorial .topic-pills{gap:8px;margin-top:24px}
.editorial .topic-pills span{font-size:11px;padding:7px 11px}
.editorial .collection{padding-top:30px;padding-bottom:35px}
.editorial .collection-heading{align-items:flex-start;flex-direction:column;gap:8px;margin-bottom:20px}
.editorial .collection-heading h2{font-size:24px}
.editorial .article-grid{grid-template-columns:1fr;gap:23px}
.editorial .card-image{height:220px}
.editorial .card-image .product-stage{height:220px}
.editorial .card-copy{padding:24px}
.editorial .card-copy h2{font-size:23px}
.editorial .collection-bottom{padding:25px 0 35px}
.editorial .collection-bottom h2{font-size:21px;line-height:1.6}}
@media(prefers-reduced-motion:reduce){.editorial{scroll-behavior:auto}
.editorial .article-card{transition:none}}
@media print{.editorial .preview-banner,.editorial .masthead,.editorial .sidebar,.editorial .footer,.editorial .article-pagination,.editorial .further-reading,.editorial .seo-review,.editorial .contact-card,.editorial .skip-link{display:none!important}
.editorial .shell{width:100%}
.editorial .reading-layout{display:block}
.editorial .article-body{max-width:none}
.editorial .article-hero{background:#fff}
.editorial .hero-grid{min-height:0}
.editorial .hero-art{display:none}
.editorial .article-body section{break-inside:avoid}
.editorial .table-scroll{overflow:visible}
.editorial .table-scroll table{min-width:0}
.editorial .article-grid{grid-template-columns:1fr}
.editorial .article-card{break-inside:avoid}}


.editorial .button{border:0;cursor:pointer;font-family:inherit}.editorial .hero-copy h1{font-size:clamp(27px,2.7vw,39px)}.editorial .hero-grid{padding-bottom:18px}.editorial .sidebar{top:110px}.editorial .table-scroll{max-width:100%}.editorial .old-guide{margin-top:30px;padding:24px;border:1px solid var(--line);border-radius:12px}.editorial .old-guide h2{line-height:1.5}.editorial .old-guide a{color:var(--blue)}.editorial .article-body p{overflow-wrap:anywhere}@media(max-width:760px){.editorial .hero-copy h1{font-size:29px}.editorial .hero-grid{padding-bottom:0}}