/* TMVPS — Tencent Lighthouse visual adaptation. All business data remains CMS-driven. */
:root{--blue:#0052d9;--ink:#151c2b;--muted:#53627a;--line:#dce3ee;--light:#f5f7fa;--price:#ff4a14;--header-height:72px}
*{box-sizing:border-box}
html{scroll-padding-top:150px}
body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,summary{touch-action:manipulation}button,summary{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #66a6ff;outline-offset:4px}
h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.4;font-weight:600;letter-spacing:0}h1{font-size:44px}h2{font-size:32px;margin-bottom:16px}h3{font-size:22px;margin-bottom:12px}p{color:var(--muted)}
[hidden]{display:none!important}.container{width:min(1200px,calc(100% - 64px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #dbe5f1;transition:background .2s,box-shadow .2s}
.page-home .site-header{background:#e4eeff}.site-header.is-scrolled{background:#fff;box-shadow:0 3px 15px #23395c0d}
.header-row{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:24px;font-weight:700;letter-spacing:.01em;white-space:nowrap}.brand img{max-width:170px;max-height:40px}
.brand-icon{display:inline-grid;place-items:center;width:36px;height:36px;background:var(--blue);color:#fff;border-radius:8px 2px 8px 2px;font-size:25px;font-weight:700}

.desktop-nav{display:flex;align-items:center;gap:24px;font-size:16px;white-space:nowrap}.desktop-nav>a{padding:23px 0}
.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{color:var(--blue)}
.nav-dropdown{position:relative;align-self:stretch;display:flex;align-items:center}
.nav-dropdown>.nav-trigger{display:flex;align-items:center;gap:8px;height:100%;padding:0;white-space:nowrap}
.nav-trigger::after{content:"";width:6px;height:6px;border-right:1.5px solid;border-bottom:1.5px solid;transform:rotate(45deg);margin-bottom:3px}
.nav-dropdown>.nav-panel{position:absolute;top:calc(100% - 1px);left:-22px;z-index:60;min-width:250px;max-height:65vh;overflow:auto;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px #18345b14;border-radius:3px;visibility:hidden;opacity:0;pointer-events:none}
.nav-dropdown:not([data-dismissed]):hover>.nav-panel,.nav-dropdown:not([data-dismissed]):focus-within>.nav-panel{visibility:visible;opacity:1;pointer-events:auto}
.nav-dropdown:hover>.nav-trigger,.nav-dropdown:focus-within>.nav-trigger{color:var(--blue)}
.nav-dropdown.region-menu>.nav-panel{width:340px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.nav-panel a{display:block;white-space:normal;padding:10px 12px;border-radius:2px}.nav-panel a:hover{background:#edf4ff}
.header-contact{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;min-height:42px;padding:7px 18px;font-size:16px;white-space:nowrap}.header-contact:hover{background:#003fab}.mobile-menu{display:none}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;padding:10px 26px;border:1px solid var(--blue);border-radius:2px;background:var(--blue);color:#fff;font-size:16px;line-height:24px;font-weight:500;transition:background .2s,border-color .2s,box-shadow .2s}
.button:hover{background:#003fa8;border-color:#003fa8;box-shadow:0 4px 12px #0052d91a}.button.secondary{background:#fff;color:var(--blue);border-color:#fff}.button.secondary:hover{border-color:var(--blue);background:#f7faff}
.actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:28px}
.section{padding:68px 0;scroll-margin-top:140px}.tinted{background:var(--light)}
.section-heading{position:relative;display:flex;align-items:center;justify-content:center;gap:24px;text-align:center;margin-bottom:36px}
.section-heading>div{max-width:780px}.section-heading h2{margin:0 0 12px}.section-heading p{margin-bottom:0;font-size:17px}
.section-heading>.text-link{position:absolute;right:0;bottom:6px}.section-heading>.muted{position:absolute;right:0;bottom:4px}
.eyebrow{font-size:14px;line-height:1.5;letter-spacing:.08em;color:var(--blue);font-weight:500;margin-bottom:14px}
.section-heading .eyebrow{display:none}.muted{color:var(--muted);font-size:16px}.text-link{font-size:16px;color:var(--blue)}.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.section-footnote{font-size:14px;line-height:1.8;color:var(--muted);margin:24px 0 0}
.product-section-nav{position:sticky;top:var(--header-height);z-index:40;border-bottom:1px solid var(--line);background:#ffffffed;backdrop-filter:blur(12px)}
.product-section-nav .container{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:62px}
.section-nav-links{display:flex;gap:32px;overflow-x:auto;scrollbar-width:none}.section-nav-links a{padding:17px 0 14px;white-space:nowrap;font-size:16px;border-bottom:3px solid transparent}.section-nav-links a:hover,.section-nav-links a.is-active{color:var(--blue);border-bottom-color:var(--blue)}.product-section-nav .button{min-height:38px;padding:5px 20px}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.product-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;background:linear-gradient(160deg,#fff,#f8faff);padding:30px;border:1px solid #e3eaf4;border-radius:4px;transition:border .2s,box-shadow .2s,transform .2s}
.product-card:hover{border-color:#88b6ff;box-shadow:0 10px 24px #1537730d;transform:translateY(-3px)}.product-card h3{margin-bottom:12px;font-weight:500}.product-card p{font-size:16px;margin-bottom:24px}.product-card .text-link{margin-top:auto}
.product-symbol{display:grid;place-items:center;width:54px;height:54px;color:var(--blue);background:#e9f2ff;margin-bottom:22px;border-radius:8px}
.ui-icon{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}.feature{min-width:0}.feature-number{display:grid;place-items:center;width:64px;height:64px;margin-bottom:22px;background:#eaf2ff;color:var(--blue);border-radius:12px;font-size:24px}.feature-number .ui-icon{width:36px;height:36px}.feature h3{font-size:22px;font-weight:500}.feature p{font-size:16px;line-height:1.9;margin-bottom:0}
#scenarios .feature{padding:26px;background:#fff;border:1px solid var(--line);border-top:3px solid #8fb8fb}#scenarios .feature-number{background:transparent;width:auto;height:auto;display:block;font-size:28px;font-weight:600;opacity:.6;margin-bottom:24px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.news-card{padding:28px;border:1px solid var(--line);border-radius:4px;background:#fff}.news-card:hover{border-color:#a9c8f7}.news-meta{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);margin-bottom:18px}.news-meta span{color:var(--blue)}.news-card h3{font-size:22px;line-height:1.6}.news-card p{font-size:16px}.news-card img{width:100%;height:auto;aspect-ratio:600/340;object-fit:cover;margin-bottom:20px}
.news-filters{display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap;margin-bottom:30px}.news-filters label{display:grid;gap:8px;font-size:16px}.news-filters select{min-width:170px;border:1px solid #c9d4e3;padding:10px 12px;background:#fff}
.catalog-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding:28px;background:#f3f6fb;border:1px solid #e1e8f2;margin-bottom:32px;border-radius:4px}
.catalog-filters label{display:grid;gap:9px;font-size:16px;color:#3d485d}.catalog-filters select,.catalog-filters input{min-width:0;width:100%;min-height:46px;padding:10px 12px;border:1px solid #c9d4e3;border-radius:2px;background:#fff;color:var(--ink);font-size:16px}
.filter-actions{display:flex;align-items:flex-end;gap:24px;font-size:16px}.filter-actions>a{padding:10px 0;color:var(--blue)}
.catalog-grid .empty{grid-column:1/-1}.catalog-more{text-align:center;margin-top:28px}
#catalog{background:#f8faff}#catalog>.container>.section-heading{justify-content:space-between;text-align:left}#catalog .section-heading>.muted{position:static;white-space:nowrap}
.page-heading{padding-top:54px;padding-bottom:4px}.page-heading h1{font-size:38px;margin-bottom:20px}.page-heading p{max-width:840px;font-size:18px}.page-heading .eyebrow{margin-top:24px;font-size:15px}
.prose{max-width:920px}.prose h1{font-size:38px}.prose h2{font-size:30px;margin-top:26px}.prose .lead{font-size:20px}.prose li{margin:10px 0}.prose a{color:var(--blue)}.prose p{line-height:1.9}
.article-body{padding-top:55px;padding-bottom:80px}.article-body .eyebrow{margin-top:35px}.cover{width:100%;height:auto}.rich-content{overflow-wrap:anywhere}.rich-content img{max-width:100%;height:auto}.rich-content pre{overflow:auto;background:var(--light);padding:20px}.rich-content table{width:100%}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}.tags span{background:#edf3fb;padding:5px 12px;font-size:14px}
.faq{padding:22px 0;border-bottom:1px solid var(--line)}.faq summary{font-size:18px;font-weight:500}.faq p{margin-top:16px}
.cta{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta p{margin-bottom:0}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line)}
.plan-detail{display:grid;grid-template-columns:1fr;gap:46px}.detail-list{margin:24px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}.detail-list>div{padding:16px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:24px}.detail-list dt{font-size:16px;color:var(--muted)}.detail-list dd{margin:0;font-size:17px;text-align:right;overflow-wrap:anywhere}
footer{background:#f1f4f9;border-top:1px solid var(--line)}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:70px;padding-block:54px}.footer-top p{font-size:16px;max-width:460px;margin-top:20px}.footer-top h3{font-size:18px;font-weight:600}.footer-top>div>a:not(.brand){display:block;font-size:16px;color:var(--muted);margin:10px 0}.footer-top a:hover{color:var(--blue)}.copyright{border-top:1px solid #d9e1ed;padding-block:22px;display:flex;justify-content:space-between;gap:20px;font-size:14px;color:var(--muted)}
.contact-rail{position:fixed;right:12px;bottom:100px;display:grid;background:#fff;border:1px solid var(--line);z-index:45}.contact-rail a{padding:12px;display:grid;text-align:center;color:var(--blue);font-size:16px}.contact-rail a+a{border-top:1px solid var(--line)}.contact-rail span{font-size:14px;color:var(--muted)}.contact-channels{display:grid;gap:18px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.pagination{display:flex;gap:24px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:36px;font-size:16px}.pagination a{padding:7px 15px;border:1px solid #c6d7ee;color:var(--blue);background:#fff}.empty{grid-column:1/-1;text-align:center;padding:44px 24px;background:#f5f7fb;border:1px dashed #d0dcee;color:var(--muted);font-size:17px}
.error-page{text-align:center;padding:15vh 24px}.error-page h1{font-size:100px;color:var(--blue);margin:0}.skip{position:absolute;top:-100px;left:20px;padding:10px;background:#fff;z-index:100}.skip:focus{top:0}
@media(max-width:1180px){.header-row{gap:18px}.desktop-nav{gap:17px}.header-contact{display:none}.brand{font-size:22px}.product-section-nav .container{gap:20px}.section-nav-links{gap:24px}.footer-top{gap:40px}}
@media(max-width:980px){.desktop-nav{display:none}.mobile-menu{display:block}.mobile-menu>summary{list-style:none;display:flex;align-items:center;gap:8px;font-size:16px;padding:12px 0}.mobile-menu>summary::before{content:"☰";font-size:21px}.mobile-menu>summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:24px;top:var(--header-height);width:min(360px,calc(100vw - 48px));max-height:calc(100vh - 100px);overflow:auto;background:#fff;box-shadow:0 12px 30px #18345b26;border:1px solid var(--line);padding:16px;z-index:70}.mobile-menu nav>a,.mobile-regions>summary{display:block;padding:12px;font-size:17px}.mobile-regions>summary{cursor:pointer}.mobile-regions>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:280px;overflow-y:auto;background:#f4f8ff;padding:8px}.mobile-regions a{display:block;padding:9px;font-size:16px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading>.text-link{position:static;white-space:nowrap}.section-heading{flex-wrap:wrap}.product-section-nav .button{display:none}}
@media(max-width:768px){:root{--header-height:64px}.container{width:calc(100% - 40px)}.section{padding:48px 0}h2{font-size:28px}.catalog-filters{grid-template-columns:repeat(2,minmax(0,1fr));padding:20px;gap:18px}.section-heading{margin-bottom:28px}.section-heading p{font-size:16px}.section-heading>.muted{position:static}.section-nav-links{gap:25px}.product-section-nav .container{min-height:54px}.section-nav-links a{padding-block:13px 10px}.product-card{padding:24px}.footer-top{grid-template-columns:2fr 1fr 1fr;gap:28px}.plan-detail{gap:32px}.detail-list{column-gap:28px}.page-heading h1{font-size:32px}}
@media(max-width:540px){.container{width:calc(100% - 32px)}body{font-size:16px}.brand{font-size:21px}.brand-icon{width:32px;height:32px;font-size:23px}.header-row{gap:12px}.section{padding:40px 0}h1{font-size:32px}h2{font-size:27px}h3{font-size:21px}.section-heading{gap:12px}.section-heading>.text-link{font-size:16px}.product-grid,.news-grid{grid-template-columns:1fr}.feature-grid{gap:26px 20px}.feature h3{font-size:20px}.feature p{font-size:16px}.feature-number{width:54px;height:54px;margin-bottom:18px}.product-card{padding:24px}.product-card p{margin-bottom:20px}#scenarios .feature-grid{grid-template-columns:1fr}#scenarios .feature{padding:24px}#scenarios .feature-number{margin-bottom:12px}.catalog-filters{grid-template-columns:1fr;padding:18px;gap:18px}.filter-actions .button{flex:1}.page-heading{padding-top:36px}.page-heading p{font-size:16px}.page-heading h1,.prose h1{font-size:30px}.prose h2{font-size:26px}.news-filters label{flex:1 1 100%;min-width:0}.news-filters select{width:100%;min-width:0}.news-card{padding:22px}.detail-list{grid-template-columns:1fr}.cta{display:block}.cta .button{margin-top:20px}.footer-top{grid-template-columns:1fr 1fr;gap:28px;padding-block:36px}.footer-top>div:first-child{grid-column:1/-1}.copyright{flex-direction:column;gap:6px;font-size:14px}.copyright span{display:block}.empty{padding:32px 16px}.contact-rail{right:6px;bottom:16px}.contact-rail a{font-size:14px;padding:8px}.product-section-nav .container{width:100%;padding-inline:16px}.section-nav-links{gap:24px;width:100%}.section-footnote{font-size:14px}.prose table{font-size:16px}.button{padding-inline:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.region-tabs{display:flex;gap:24px;overflow-x:auto}.region-tabs a{white-space:nowrap;border-bottom:3px solid transparent}.region-tabs a[aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue)}.section-heading>div{margin-inline:auto}.hero-notes{display:flex}.hero-notes>span{display:inline-flex;align-items:center;gap:8px}

@media(max-width:600px){.widget-fd{top:auto!important;bottom:16px!important;right:12px!important;display:flex!important;gap:7px;padding:6px;background:#fff;border:1px solid #dce3ee;border-radius:30px;box-shadow:0 3px 18px #18345b26}.widget-fd>a{margin:0!important;flex-shrink:0}}

/* Compact layouts, centered presentation cards and consistent hover feedback. */
html{scroll-padding-top:0}
.section{padding-block:44px;scroll-margin-top:calc(var(--header-height) + 80px)}
.section-heading{margin-bottom:26px}
.page-heading{padding-top:32px}.page-heading h1{margin-bottom:12px}
.feature{text-align:center}.feature-number{margin-inline:auto}.feature p{margin-inline:auto}
.product-card{align-items:center;text-align:center;padding:26px}
.hero-promo-copy>span{font-size:16px}
.button,.header-contact,button,.pagination a{transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
@media(hover:hover) and (pointer:fine){
.button:hover,.header-contact:hover,button:hover,.pagination a:hover{transform:translateY(-3px);box-shadow:0 8px 18px #0052d92b}
.button:active,.header-contact:active,button:active{transform:translateY(-1px)}
.feature{transition:transform .2s ease,box-shadow .2s ease}.feature:hover{transform:translateY(-3px)}
}
@media(max-width:768px){.section{padding-block:32px}.section-heading{margin-bottom:22px}}
@media(prefers-reduced-motion:reduce){.button:hover,.header-contact:hover,button:hover,.pagination a:hover,.feature:hover,.product-card:hover{transform:none}}

.solution-grid{margin-top:26px}.content-section .section-heading h2{margin-top:0}.content-section .rich-content>div>p:last-child{margin-bottom:0}.content-section table{background:#fff;font-size:16px}.contact-channels{grid-template-columns:repeat(2,minmax(0,1fr));align-items:center}.contact-channels a{text-align:center;overflow-wrap:anywhere}.plan-detail .actions .secondary{border-color:var(--blue)}@media(max-width:540px){.contact-channels{grid-template-columns:1fr}.content-section .rich-content{overflow-x:auto}}

@media(min-width:981px){.feature-grid{grid-template-columns:repeat(var(--feature-columns,4),minmax(0,1fr))}}