:root{--brand:#2563eb;--brand-2:#7c3aed;--hero-glow:#dbeafe;--brand-soft:#eff6ff;--brand-border:#dbeafe;--ink:#0f2744;--muted:#64748b;--line:#e5eef9;--soft:#f5f9ff;--white:#fff;--radius:18px;--shadow:0 18px 50px rgba(31,64,120,.10)}
body[data-template="tech"]{--brand:#0284c7;--brand-2:#0f766e;--hero-glow:#cffafe;--brand-soft:#ecfeff;--brand-border:#bae6fd}
body[data-template="orange"]{--brand:#ea580c;--brand-2:#f59e0b;--hero-glow:#ffedd5;--brand-soft:#fff7ed;--brand-border:#fed7aa}
body[data-template="colorful"]{--brand:#7c3aed;--brand-2:#ec4899;--hero-glow:#f3e8ff;--brand-soft:#faf5ff;--brand-border:#e9d5ff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.narrow{max-width:900px}
/* FAQ / 帮助中心统一内容宽度，列表与详情保持一致 */
.page-faq .narrow,.page-help .narrow{max-width:1180px}
.page-faq .faq-list,.page-help .help-grid{width:100%}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:99}
.skip-link:focus{left:12px;top:12px}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,236,248,.9)}
.header-inner{width:min(1240px,calc(100% - 40px));height:72px;margin:0 auto;display:flex;align-items:center;gap:22px}
.site-brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;flex:none}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:18px;box-shadow:0 8px 20px rgba(37,99,235,.28)}
.brand-logo{width:auto;height:36px;max-width:180px;border-radius:8px;object-fit:contain;background:transparent}
.site-brand-with-logo .brand-name{display:none}
.brand-name{font-size:18px;color:#102a4c}
.site-nav{margin-left:auto;display:flex;align-items:center}
.site-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.site-menu>li{position:relative}
.site-menu>li>a{display:flex;align-items:center;gap:5px;height:48px;padding:0 13px;border-radius:10px;color:#3d4f68;font-size:14px;font-weight:600;transition:.18s}
.site-menu>li>a:hover,.site-menu>li.active>a{color:var(--brand);background:var(--brand-soft)}
.nav-caret{font-size:11px;opacity:.65;transform:translateY(-1px)}
.dropdown,.submenu{list-style:none;margin:0;padding:7px;position:absolute;top:calc(100% + 6px);left:0;min-width:218px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(30,58,110,.14);opacity:0;visibility:hidden;transform:translateY(7px);transition:.16s;z-index:10}
.site-menu>li:hover>.dropdown,.site-menu>li:focus-within>.dropdown{opacity:1;visibility:visible;transform:none}
.dropdown li{position:relative}
.dropdown a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 11px;border-radius:9px;color:#40536e;font-size:13.5px;line-height:1.45;white-space:normal}
.dropdown a:hover{background:var(--soft);color:var(--brand)}
.dropdown .has-children>a::after{content:'›';font-size:17px;color:#94a3b8}
.submenu{top:-7px;left:100%;min-width:250px;max-height:420px;overflow:auto}
.dropdown .has-children:hover>.submenu,.dropdown .has-children:focus-within>.submenu{opacity:1;visibility:visible;transform:none}
.site-menu>li:nth-last-child(-n+2)>.dropdown{left:auto;right:0}
.site-menu>li:nth-last-child(-n+2) .submenu{left:auto;right:100%}
.dropdown .has-children>a::after{content:''}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.header-link{font-size:13.5px;color:#40536e;padding:8px 10px;border-radius:9px}
.header-link:hover{color:var(--brand);background:var(--brand-soft)}
.header-cta{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;padding:9px 14px;border-radius:10px;font-size:13.5px;font-weight:700;box-shadow:0 8px 20px rgba(37,99,235,.22)}
.header-cta:hover{filter:brightness(.92)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:9px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;height:2px;background:#29405f;margin:4px 0;border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.hero{padding:72px 0 64px;background:radial-gradient(900px 420px at 82% -10%,var(--hero-glow) 0,transparent 60%),linear-gradient(180deg,#f7fbff 0,#fff 78%);overflow:hidden}
.hero-grid{width:min(1180px,calc(100% - 48px));margin:0 auto;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:center}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.16;letter-spacing:-.04em;margin:0 0 18px;font-weight:850}
.hero h1 em{font-style:normal;background:linear-gradient(110deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16px;color:#64748b;max-width:660px;margin:0 0 26px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;border-radius:11px;font-size:14px;font-weight:700;border:1px solid transparent;transition:.18s;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.22)}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:#dbe7f6;color:#29405f}
.btn-ghost:hover{border-color:#bcd4f3;background:#f8fbff}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:38px;padding-top:24px;border-top:1px solid #e6eef9}
.hero-stats span{font-size:12px;color:#7c8ba1}
.hero-stats b{font-size:22px;color:#102a4c;margin-right:3px;letter-spacing:-.03em}
.hero-visual{position:relative;min-height:360px}
.hero-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.7}
.orb-a{width:210px;height:210px;right:0;top:-10px;background:radial-gradient(circle,#bfdbfe,#e0e7ff 65%,transparent 70%)}
.orb-b{width:160px;height:160px;left:0;bottom:8px;background:radial-gradient(circle,#ddd6fe,#eff6ff 65%,transparent 70%)}
.hero-panel{position:relative;margin:30px 12px 0 34px;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.8);border-radius:22px;box-shadow:var(--shadow);padding:22px;backdrop-filter:blur(10px)}
.panel-top{display:flex;align-items:center;gap:7px;font-size:12px;color:#64748b}
.pulse{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.12)}
.panel-chart{height:118px;display:flex;align-items:flex-end;gap:9px;padding:20px 2px 0}
.panel-chart i{flex:1;height:var(--h);border-radius:7px 7px 3px 3px;background:linear-gradient(180deg,#60a5fa,#2563eb);opacity:.9}
.panel-chart i:nth-child(2n){background:linear-gradient(180deg,var(--brand-2),var(--brand))}
.panel-rows{display:grid;gap:8px;margin-top:16px}
.panel-rows span{height:8px;border-radius:6px;background:#eef4fc}
.panel-rows span:nth-child(1){width:78%}.panel-rows span:nth-child(2){width:55%}.panel-rows span:nth-child(3){width:64%}
.panel-tags{display:flex;gap:6px;margin-top:16px}
.panel-tags span{font-size:11px;color:#2563eb;background:#eff6ff;border:1px solid #dbeafe;border-radius:999px;padding:4px 9px}
.hero-float{position:absolute;left:-12px;bottom:26px;background:#102a4c;color:#dbeafe;border-radius:12px;padding:11px 14px;font-size:12px;box-shadow:0 12px 30px rgba(15,39,68,.22)}
.section{padding:72px 0}
.section-soft{background:linear-gradient(180deg,#f8fbff,#fff)}
.section-head,.split-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2,.split-head h2,.cta-band h2{font-size:clamp(25px,3vw,36px);letter-spacing:-.03em;margin:0 0 8px;line-height:1.2}
.section-head p,.split-head p,.cta-band p{margin:0;color:var(--muted);font-size:14px}
.section-more{font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap;padding-bottom:6px}
.section-more:hover{filter:brightness(.88)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 5px 20px rgba(31,64,120,.04);transition:.22s;display:flex;flex-direction:column}
.content-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(31,64,120,.10);border-color:#d5e6fb}
.card-cover{aspect-ratio:16/9;background:#eff6ff;overflow:hidden;display:grid;place-items:center}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:.3s}
.content-card:hover .card-cover img{transform:scale(1.035)}
.cover-placeholder{background:radial-gradient(circle at 30% 20%,#dbeafe,transparent 55%),linear-gradient(135deg,#eff6ff,#eef2ff)}
.cover-placeholder span{font-size:42px;color:#3b82f6;opacity:.7}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;gap:6px;margin-bottom:10px}
.tag{display:inline-flex;font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-border);border-radius:999px;padding:3px 9px}
.card-body h3{font-size:17px;line-height:1.45;margin:0 0 8px;letter-spacing:-.01em}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{font-size:13px;color:#6b7c93;line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-link{margin-top:auto;font-size:12.5px;font-weight:700;color:var(--brand);display:inline-flex;gap:5px;align-items:center}
.card-link span{transition:.18s}.card-link:hover span{transform:translateX(3px)}
.empty-state{grid-column:1/-1;text-align:center;padding:46px 20px;border:1px dashed #dbe7f6;border-radius:16px;color:#94a3b8;background:#fbfdff}
.empty-state span{font-size:30px;display:block;margin-bottom:5px}
.faq-list{display:grid;gap:10px}
.qa-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
.qa-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:16px 18px;font-size:14px;font-weight:700;color:#203a5b}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary i{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#eff6ff;color:#2563eb;font-size:16px;font-style:normal}
.qa-item[open] summary i{transform:rotate(45deg)}
.qa-answer{padding:0 18px 18px;color:#64748b;font-size:13.5px;line-height:1.9;border-top:1px dashed #eef4fc}
.qa-answer p{margin:12px 0}
.qa-link{display:inline-flex;margin-top:6px;font-size:12px;font-weight:700;color:var(--brand)}
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:30px;background:linear-gradient(110deg,#0f2c52,#173f74 55%,#1c4f93);border-radius:22px;padding:34px 38px;color:#fff;box-shadow:0 20px 50px rgba(15,44,82,.18)}
.cta-band .eyebrow{color:#93c5fd}
.cta-band p{color:#c7d9f3}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:#17406f;box-shadow:none}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.page-hero{padding:56px 0 30px;background:linear-gradient(180deg,#f6faff,#fff)}
.page-hero h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.035em;margin:0 0 10px}
.page-hero p{color:var(--muted);margin:0;max-width:720px;font-size:15px}
.filter-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.filter-links a{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#46607f;background:#fff;border:1px solid #e0ebf8;border-radius:999px;padding:7px 12px}
.filter-links a span{font-size:10px;color:#2563eb;background:#eff6ff;border-radius:999px;padding:1px 6px}
.filter-links a:hover{border-color:#bcd7f6;color:var(--brand)}
.category-block{padding:10px 0 34px}
.category-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid #eef4fb}
.category-head h2{font-size:21px;letter-spacing:-.02em;margin:0}
.category-head span{font-size:11px;color:#94a3b8}
.detail-hero{padding:44px 0 26px;background:linear-gradient(180deg,#f6faff,#fff)}
.page-products .detail-hero,.page-solutions .detail-hero,.page-cases .detail-hero,.page-faq .detail-hero,.page-help .detail-hero{padding-bottom:10px}
.page-products .section,.page-solutions .section,.page-cases .section,.page-faq .section,.page-help .section{padding-top:26px}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:11.5px;color:#8a9bb2;margin-bottom:22px}
.breadcrumb a{color:#5b7597}.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#b6c3d5}
.detail-title .tag{margin-bottom:12px}
.detail-title h1{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.035em;margin:0 0 10px;max-width:980px}
.detail-title p{color:var(--muted);margin:0;max-width:760px}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}
.detail-main{min-width:0}
.detail-cover{aspect-ratio:16/8;border-radius:18px;overflow:hidden;margin-bottom:22px;background:#eff6ff}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.rich-content{font-size:15px;color:#42566f;line-height:1.95;overflow-wrap:anywhere}
.rich-content p{margin:0 0 16px;text-indent:0}
.rich-content h1,.rich-content h2,.rich-content h3,.rich-content h4{margin:26px 0 12px;line-height:1.35;color:#173252;letter-spacing:-.02em}
.rich-content h1{font-size:28px}.rich-content h2{font-size:23px}.rich-content h3{font-size:19px}
.rich-content img,.rich-content video{max-width:100%;height:auto;border-radius:12px;margin:10px 0}
.rich-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:13px}
.rich-content th,.rich-content td{border:1px solid #e1ebf7;padding:9px 10px;text-align:left}
.rich-content th{background:#f4f9ff}
.rich-content blockquote{margin:18px 0;padding:12px 16px;border-left:3px solid #93c5fd;background:#f6faff;border-radius:0 10px 10px 0;color:#526b8a}
.rich-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.rich-content pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#0f2744;color:#dbeafe;border-radius:12px;padding:16px;overflow:auto;font-size:12.5px}
.detail-side{display:grid;gap:16px}
.side-card{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:18px}
.side-card h3{font-size:15px;margin:0 0 8px}
.side-card p{font-size:12.5px;color:#71839b;line-height:1.7;margin:0 0 13px}
.side-card .btn{width:100%;font-size:12.5px;padding:9px 12px}
.side-card .content-card{box-shadow:none;margin-bottom:8px}
.side-card .content-card:last-child{margin-bottom:0}
.side-card .card-cover{display:none}
.side-card .card-body{padding:8px 0}
.side-card .card-body h3{font-size:12.5px;margin:0}
.side-card .card-body p,.side-card .card-meta,.side-card .card-link{display:none}
.related-links{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:28px}
.related-links h3{font-size:15px;margin:0 0 10px}
.related-links a{display:block;font-size:12.5px;color:#4d6785;padding:6px 0;border-bottom:1px dashed #e5eef9}
.related-links a:last-child{border-bottom:0}
.related-links a:hover{color:var(--brand)}
.qa-detail-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;flex-wrap:wrap}
.back-link{display:inline-flex;margin-top:22px;font-size:12.5px;font-weight:700;color:#5c7593}
.qa-detail-actions .back-link{margin-top:0}
.back-link:hover{color:var(--brand)}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.help-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;transition:.18s}
.help-card:hover{border-color:#cfe3fb;transform:translateY(-3px);box-shadow:0 12px 30px rgba(31,64,120,.07)}
.help-ico{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#eff6ff;color:#2563eb;font-weight:800;margin-bottom:10px}
.help-card h3{font-size:15px;margin:0 0 6px;line-height:1.5}
.help-card p{font-size:12.5px;color:#71839b;margin:0 0 12px;line-height:1.7}
.qa-detail,.help-detail{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 8px 26px rgba(31,64,120,.04)}
.site-footer{background:#0b2039;color:#a9bfd8;margin-top:70px}
.footer-inner{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:46px 0 34px;display:grid;grid-template-columns:1.5fr .7fr .7fr .7fr;gap:36px}
.footer-logo{color:#fff;margin-bottom:12px}
.footer-logo .brand-name{color:#fff}
.footer-logo .brand-mark{box-shadow:none}
.footer-brand p{font-size:12.5px;line-height:1.8;color:#8fa9c6;max-width:400px;margin:0 0 14px}
.footer-contact{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#9db5d1}
.footer-contact a:hover{color:#fff}
.footer-col h4{color:#e5effb;font-size:12px;letter-spacing:.1em;margin:0 0 12px;text-transform:uppercase}
.footer-col a{display:block;font-size:12.5px;color:#9db5d1;padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:16px 0 22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:11px;color:#7893b2}
.footer-legal{display:flex;gap:12px;flex-wrap:wrap}
.section-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.faq-ask-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.faq-ask-row span{font-size:12px;color:#8a9bb2}
.ask-mask{position:fixed;inset:0;z-index:120;background:rgba(10,28,50,.58);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:18px}
.ask-mask[hidden]{display:none}
body.modal-open{overflow:hidden}
.ask-modal{position:relative;width:min(620px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:20px;padding:26px;box-shadow:0 28px 80px rgba(4,20,45,.28)}
.ask-close{position:absolute;right:14px;top:12px;width:34px;height:34px;border:0;border-radius:50%;background:#f1f6fd;color:#5a708c;font-size:22px;line-height:1;cursor:pointer}
.ask-close:hover{background:#e5effc;color:#1f4f88}
.ask-head .eyebrow{margin-bottom:5px}.ask-head h3{font-size:24px;letter-spacing:-.03em;margin:0 0 4px}.ask-head p{font-size:12.5px;color:#7b8ba1;margin:0 0 20px}
.ask-form{display:grid;gap:13px}
.ask-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ask-form label{display:grid;gap:6px;font-size:12px;font-weight:700;color:#41556f}
.ask-form input,.ask-form select,.ask-form textarea{width:100%;border:1px solid #dbe7f5;border-radius:10px;padding:10px 12px;font:inherit;font-size:13.5px;color:#1d3552;background:#fbfdff;outline:none;transition:.16s}
.ask-form input:focus,.ask-form select:focus,.ask-form textarea:focus{border-color:#93c5fd;background:#fff;box-shadow:0 0 0 3px rgba(59,130,246,.10)}
.ask-form textarea{resize:vertical;min-height:110px}
.ask-hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}
.ask-consent{display:flex!important;grid-template-columns:none!important;flex-direction:row;align-items:flex-start;gap:8px;font-size:11.5px!important;font-weight:400!important;color:#7b8ba1!important;line-height:1.6}
.ask-consent input{width:14px;height:14px;flex:none;margin-top:2px}
.ask-error{display:none;font-size:12px;color:#dc2626;background:#fff5f5;border:1px solid #fecaca;border-radius:8px;padding:8px 10px}
.ask-error.show{display:block}
.ask-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}
.ask-success{text-align:center;padding:28px 10px 12px}
.ask-success-ico{width:54px;height:54px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:#ecfdf5;color:#059669;font-size:26px;font-weight:800}
.ask-success h3{font-size:22px;margin:0 0 6px}.ask-success p{font-size:13px;color:#71839b;margin:0 0 20px}
.cs-widget{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:70;display:flex;align-items:center;justify-content:flex-end}
.cs-handle{order:2;writing-mode:vertical-rl;border:0;border-radius:12px 0 0 12px;background:linear-gradient(180deg,#2563eb,#4f46e5);color:#fff;padding:16px 10px;font:inherit;font-size:12px;letter-spacing:4px;cursor:pointer;box-shadow:-6px 8px 22px rgba(37,99,235,.22);display:flex;align-items:center;gap:8px}
.cs-handle i{font-style:normal;font-size:14px;letter-spacing:0;transition:.2s}
.cs-widget.open .cs-handle i,.cs-widget:hover .cs-handle i{transform:rotate(180deg)}
.cs-panel{order:1;position:absolute;right:36px;top:50%;width:292px;max-height:min(610px,calc(100vh - 80px));overflow:auto;background:#fff;border:1px solid #e4edf9;border-radius:16px;box-shadow:-18px 20px 50px rgba(15,39,68,.18);padding:20px;opacity:0;visibility:hidden;transform:translate(28px,-50%);pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility .2s}
.cs-widget:hover .cs-panel,.cs-widget:focus-within .cs-panel,.cs-widget.open .cs-panel{opacity:1;visibility:visible;transform:translate(0,-50%);pointer-events:auto}
.cs-eyebrow{font-size:9px;font-weight:800;letter-spacing:.16em;color:#2563eb;margin-bottom:5px}
.cs-head h3{font-size:20px;letter-spacing:-.03em;margin:0 0 5px;color:#173252}
.cs-head p{font-size:12px;color:#7b8ba1;line-height:1.65;margin:0 0 15px}
.cs-actions{display:grid;gap:8px}
.cs-action{display:flex;align-items:center;gap:9px;padding:10px 11px;border-radius:10px;font-size:12.5px;font-weight:600;color:#fff;transition:.16s}
.cs-action i{margin-left:auto;font-style:normal;opacity:.7}.cs-action:hover{transform:translateX(-2px)}
.cs-action-ico{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.18);font-size:11px;font-weight:800}
.cs-qq{background:linear-gradient(135deg,#17b8f4,#0b8fd0)}.cs-wechat{background:linear-gradient(135deg,#19c37d,#059669)}
.cs-qr{margin-top:15px;padding-top:14px;border-top:1px dashed #e5eef9;text-align:center}
.cs-qr img{width:140px;height:140px;object-fit:contain;border:1px solid #eef4fb;border-radius:10px;margin:0 auto 6px}
.cs-qr span{font-size:10px;color:#9aa7bb}
.cs-time{display:flex;align-items:center;gap:7px;margin-top:14px;padding-top:12px;border-top:1px dashed #e5eef9;font-size:10.5px;color:#8b9bb1}
.cs-time span{width:6px;height:6px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.12)}
@media(max-width:640px){.cs-panel{width:min(278px,calc(100vw - 48px));padding:16px}.cs-qr img{width:112px;height:112px}.cs-handle{padding:13px 8px;font-size:11px}}
.back-top{position:fixed;right:0;top:calc(50% + 82px);z-index:69;display:flex;flex-direction:column;align-items:center;gap:1px;width:46px;padding:9px 0;border:1px solid #dce8f8;border-right:0;border-radius:10px 0 0 10px;background:rgba(255,255,255,.97);color:#55708f;box-shadow:-6px 10px 26px rgba(15,39,68,.12);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s,color .2s}
.back-top.show{opacity:1;visibility:visible;transform:none}.back-top:hover{color:#2563eb;background:#f7fbff}.back-top b{font-size:17px;line-height:1;font-weight:700}.back-top em{font-size:9px;font-style:normal;letter-spacing:.06em}
@media(max-width:640px){.back-top{top:calc(50% + 72px);width:42px}}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:1050px){
  .header-actions .header-link{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-grid{grid-template-columns:1fr;gap:20px}
  .hero-visual{max-width:560px;margin:0 auto;width:100%;min-height:300px}
  .footer-inner{grid-template-columns:1.3fr .7fr .7fr}
}
@media(max-width:900px){
  .header-inner{height:64px}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;bottom:auto;max-height:calc(100vh - 64px);background:#fff;padding:14px 20px 40px;overflow:auto;border-top:1px solid var(--line);box-shadow:0 18px 30px rgba(15,39,68,.08);z-index:90}
  .site-nav.open{display:block}
  .site-menu{display:block}
  .site-menu>li{border-bottom:1px solid #eef4fb}
  .site-menu>li>a{height:auto;min-height:48px;padding:10px 2px;justify-content:space-between;font-size:15px}
  .dropdown,.submenu{display:none;position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-radius:0;min-width:0;max-height:none;padding:0 0 8px 14px;background:transparent}
  .site-menu>li.open>.dropdown,.dropdown li.open>.submenu{display:block}
  .dropdown a{font-size:13.5px;padding:8px 2px;border-bottom:1px dashed #f0f5fb}
  .dropdown .has-children>a::after{content:'⌄'}
  .header-actions{display:none}
  .section{padding:52px 0}
  .section-head,.split-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .detail-layout{grid-template-columns:1fr}
  .detail-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container,.hero-grid,.header-inner,.footer-inner,.footer-bottom{width:min(100% - 32px,1180px)}
  .hero{padding:50px 0 42px}
  .hero h1{font-size:34px}
  .hero-stats{gap:18px}
  .card-grid,.help-grid,.detail-side{grid-template-columns:1fr}
  .page-hero{padding:40px 0 24px}
  .detail-title h1{font-size:29px}
  .footer-inner{grid-template-columns:1fr;gap:24px}
  .qa-item summary{font-size:13px;padding:14px}
  .qa-detail,.help-detail{padding:20px}
  .ask-modal{padding:22px 18px;border-radius:16px}
  .ask-row{grid-template-columns:1fr}
  .ask-actions .btn{flex:1}
}
/* 加载占位符 */
.skeleton-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.skeleton-card{background:#fff;border:1px solid #e8eef7;border-radius:14px;overflow:hidden}
.skeleton-cover{height:168px;background:linear-gradient(100deg,#edf3fb 25%,#f7faff 37%,#edf3fb 63%);background-size:400% 100%;animation:skeletonShimmer 1.4s ease infinite}
.skeleton-body{padding:18px;display:grid;gap:10px}
.skeleton-line{height:11px;border-radius:6px;background:linear-gradient(100deg,#edf3fb 25%,#f7faff 37%,#edf3fb 63%);background-size:400% 100%;animation:skeletonShimmer 1.4s ease infinite}
.skeleton-line.sm{width:32%;height:9px}.skeleton-line.mid{width:72%}.skeleton-line.lg{width:88%;height:17px}
.skeleton-detail{display:grid;gap:12px;padding:12px 0}
.skeleton-detail .skeleton-block{height:180px;border-radius:12px;background:linear-gradient(100deg,#edf3fb 25%,#f7faff 37%,#edf3fb 63%);background-size:400% 100%;animation:skeletonShimmer 1.4s ease infinite}
@keyframes skeletonShimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}
@media(max-width:900px){.skeleton-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
@media(max-width:640px){.skeleton-grid{grid-template-columns:1fr}.skeleton-cover{height:150px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}
/* 产品版本参数 */
.plan-section{margin-top:34px;padding-top:26px;border-top:1px solid #e8eef7}
.plan-section-head .eyebrow{color:#2563eb;letter-spacing:1.8px}
.plan-section-head h3{margin:7px 0 5px;color:#14233d;font-size:24px;letter-spacing:-.03em}
.plan-section-head p{margin:0 0 18px;color:#7c8da4;font-size:13px}
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.plan-card{position:relative;padding:20px 18px;border:1px solid #e3ebf6;border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(20,35,61,.05);overflow:hidden}
.plan-card-hot{border-color:#a9c5ff;box-shadow:0 14px 32px rgba(37,99,235,.13);background:linear-gradient(180deg,#f7faff,#fff 38%)}
.plan-card-hot:before{content:'';position:absolute;top:0;left:18px;right:18px;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,#2563eb,#7c3aed)}
.plan-badge{display:inline-block;padding:3px 8px;border-radius:999px;color:#2563eb;font-size:10px;font-weight:700;background:#eef5ff}
.plan-card-hot .plan-badge{color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed)}
.plan-name{margin-top:12px;color:#182840;font-size:19px;font-weight:750}
.plan-desc{min-height:40px;margin-top:6px;color:#8493a8;font-size:12px;line-height:1.65}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-top:12px;color:#0f766e;font-size:27px;font-weight:800;letter-spacing:-.04em}
.plan-cur{font-size:13px;font-weight:700}
.plan-original{color:#a6b2c3;font-size:11px;text-decoration:line-through}
.plan-ask{color:#7c3aed;font-size:21px;font-weight:800}
.plan-features{margin:14px 0 0;padding:13px 0 0;border-top:1px solid #eef3fa;list-style:none}
.plan-features li{position:relative;padding:4px 0 4px 17px;color:#53657d;font-size:11.5px;line-height:1.55}
.plan-features li:before{content:'✓';position:absolute;left:0;top:4px;color:#2563eb;font-size:10px;font-weight:700}
.plan-table-wrap{margin-top:16px;overflow-x:auto;border:1px solid #e5edf7;border-radius:16px;background:#fff}
.plan-table{width:100%;min-width:560px;border-collapse:collapse;font-size:12px}
.plan-table th,.plan-table td{padding:12px 14px;text-align:left;border-bottom:1px solid #eef3fa}
.plan-table thead th{color:#6d7d94;font-size:10px;font-weight:700;background:#f7faff}
.plan-table tbody th{color:#52647d;font-weight:600;width:24%}
.plan-table tbody td{color:#43566f}
.plan-table tbody tr:last-child th,.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table .plan-hot-col{color:#2563eb;background:#f7faff;font-weight:650}
@media(max-width:900px){.plan-grid{grid-template-columns:1fr}.plan-desc{min-height:0}}

/* 产品选型页 / 首页引流款 */
.product-mega-hero{position:relative;overflow:hidden;padding:74px 0 0;color:#eaf2ff;background:radial-gradient(circle at 82% 12%,rgba(37,99,235,.34),transparent 34%),radial-gradient(circle at 18% 90%,rgba(124,58,237,.22),transparent 38%),linear-gradient(135deg,#0b1729,#122542 55%,#0d1b31)}
.product-mega-hero:after{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(180deg,#000,transparent 88%)}
.product-mega-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;min-height:330px}
.product-mega-copy .eyebrow{color:#8fb8ff;letter-spacing:2px}
.product-mega-copy h1{margin:14px 0 16px;color:#fff;font-size:clamp(34px,4.4vw,58px);line-height:1.05;letter-spacing:-.055em}
.product-mega-copy h1 em{color:#8fb8ff;font-style:normal}
.product-mega-copy p{max-width:560px;margin:0 0 22px;color:#aebed5;font-size:14px;line-height:1.8}
.product-mega-stats{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:24px}
.product-mega-stats span{color:#8fa4bf;font-size:11px}
.product-mega-stats b{margin-right:4px;color:#fff;font-size:20px;font-weight:800}
.product-mega-actions{display:flex;flex-wrap:wrap;gap:10px}
.product-mega-actions .btn-primary{background:#fff;color:#14233d;border-color:#fff}
.product-mega-actions .btn-ghost{color:#dbe9ff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04)}
.product-mega-visual{position:relative;height:300px}
.mega-orbit{position:absolute;border:1px solid rgba(143,184,255,.24);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.orbit-1{width:300px;height:300px}.orbit-2{width:220px;height:220px;border-style:dashed;animation:spin 22s linear infinite}
.mega-card{position:absolute;z-index:2;min-width:118px;padding:14px 15px;border:1px solid rgba(255,255,255,.2);border-radius:14px;background:rgba(18,37,66,.86);box-shadow:0 16px 34px rgba(0,0,0,.22);backdrop-filter:blur(8px)}
.mega-card span{display:block;color:#8fb8ff;font-size:10px;font-weight:700;letter-spacing:.4px}
.mega-card b{display:block;margin-top:4px;color:#fff;font-size:13px;font-weight:650}
.mega-card-a{left:2%;top:12%;transform:rotate(-5deg)}.mega-card-b{right:0;top:34%;transform:rotate(4deg)}.mega-card-c{left:14%;bottom:2%;transform:rotate(-2deg)}
.product-filter-row{position:relative;z-index:2;padding-top:28px;padding-bottom:30px}
.product-filter-row .filter-links{display:flex;flex-wrap:wrap;gap:7px}
.product-filter-row .filter-links a{padding:7px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px;color:#c8d8ee;background:rgba(255,255,255,.045);font-size:11px}
.product-filter-row .filter-links a:hover{background:rgba(255,255,255,.1);color:#fff}
.product-filter-row .filter-links a span{margin-left:6px;color:#8fb8ff;font-weight:700}
.product-mega-hero .filter-links a{text-decoration:none}
.lead-product{position:relative;padding:48px 0 44px;background:linear-gradient(180deg,#f3f7ff,#fff 74%);border-bottom:1px solid #e9eff8}
.lead-product-inner{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:start}
.lead-eyebrow{color:#2563eb;font-size:9px;font-weight:800;letter-spacing:2px}
.lead-cover{width:74px;height:74px;margin:16px 0 15px;border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#122542,#2563eb);box-shadow:0 12px 28px rgba(37,99,235,.2)}
.lead-cover img{width:100%;height:100%;object-fit:cover}.lead-cover-glyph{color:#fff;font-size:30px}
.lead-tag{display:inline-block;margin-bottom:7px;padding:3px 8px;border-radius:999px;color:#2563eb;background:#e9f1ff;font-size:10px;font-weight:700}
.lead-copy h2{margin:0 0 9px;color:#13233c;font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.04em}
.lead-copy>p{margin:0 0 17px;color:#70819a;font-size:13px;line-height:1.8}
.lead-stats{display:flex;gap:16px;margin-bottom:19px}.lead-stats span{color:#8795a9;font-size:10px}.lead-stats b{margin-right:3px;color:#1f3a61;font-size:17px}
.lead-actions{display:flex;flex-wrap:wrap;gap:8px}
.lead-plan-wrap .plan-section{margin-top:0;padding-top:0;border-top:0}
.lead-plan-wrap .plan-section-head h3{font-size:21px;margin:3px 0 3px}.lead-plan-wrap .plan-section-head p{font-size:11px;margin-bottom:11px}
.lead-plan-wrap .plan-grid{gap:8px}.lead-plan-wrap .plan-card{padding:14px 12px;border-radius:14px}
.lead-plan-wrap .plan-name{margin-top:8px;font-size:16px}.lead-plan-wrap .plan-desc{min-height:34px;font-size:10.5px}
.lead-plan-wrap .plan-price{margin-top:9px;font-size:22px}.lead-plan-wrap .plan-features{margin-top:9px;padding-top:9px}
.lead-plan-wrap .plan-features li{padding-top:3px;padding-bottom:3px;font-size:10px}
.lead-plan-wrap .plan-table-wrap{margin-top:10px}.lead-plan-wrap .plan-table th,.lead-plan-wrap .plan-table td{padding:8px 10px;font-size:10px}
.product-catalog{padding-top:52px}
.product-xl-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.product-xl{display:grid;grid-template-columns:176px minmax(0,1fr);min-height:188px;overflow:hidden;border:1px solid #e4ecf7;border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(20,35,61,.045);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.product-xl:hover{transform:translateY(-3px);border-color:#c9dbf6;box-shadow:0 18px 38px rgba(20,35,61,.1)}
.product-xl-cover{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#eef4ff,#dfeaff);color:#2563eb;text-decoration:none}
.product-xl-cover img{width:100%;height:100%;object-fit:cover}.product-xl-cover .cover-glyph{font-size:34px;opacity:.5}
.product-xl-cat{position:absolute;left:10px;bottom:10px;padding:4px 7px;border-radius:6px;color:#1e3f71;background:rgba(255,255,255,.82);font-size:9px;font-weight:700;backdrop-filter:blur(5px)}
.product-xl-body{display:flex;flex-direction:column;min-width:0;padding:15px 16px 13px}
.product-xl-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.product-xl-kicker{color:#9aabc1;font-size:8px;font-weight:800;letter-spacing:1.2px}.product-xl-hot{padding:2px 7px;border-radius:999px;color:#d97706;background:#fff7e6;font-size:9px;font-weight:700}
.product-xl-body h3{margin:7px 0 5px;font-size:17px;line-height:1.35;letter-spacing:-.02em}.product-xl-body h3 a{color:#172840;text-decoration:none}.product-xl-body h3 a:hover{color:#2563eb}
.product-xl-body>p{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;color:#8392a7;font-size:11px;line-height:1.65}
.product-xl-features{display:flex;flex-wrap:wrap;gap:4px;margin-top:9px}.product-xl-features span{padding:2px 6px;border-radius:4px;color:#60738d;background:#f4f8fd;font-size:9px}
.product-xl-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;margin-top:auto;padding-top:11px}
.product-xl-price{color:#0f766e;font-size:21px;font-weight:800;letter-spacing:-.04em}.product-xl-foot small{color:#9aa9bd;font-size:9px}
.product-xl-versions{margin-left:8px;color:#8c9bb0;font-size:9px}.product-xl-link{flex:none;color:#2563eb;font-size:10px;font-weight:700;text-decoration:none}.product-xl-link span{transition:transform .2s ease}.product-xl-link:hover span{transform:translateX(3px)}
.product-more .section-head h2{font-size:25px}
@media(max-width:1050px){.product-mega-inner{grid-template-columns:1fr;min-height:0;padding-bottom:10px}.product-mega-visual{display:none}.lead-product-inner{grid-template-columns:1fr;gap:20px}.lead-cover{width:58px;height:58px;margin:12px 0}.lead-copy h2{font-size:28px}}
@media(max-width:800px){.product-xl-grid{grid-template-columns:1fr}.product-xl{grid-template-columns:132px minmax(0,1fr)}.product-mega-hero{padding-top:48px}.product-mega-stats{gap:13px}.lead-plan-wrap .plan-grid{grid-template-columns:1fr}}
@media(max-width:520px){.product-xl{grid-template-columns:108px minmax(0,1fr)}.product-xl-body{padding:12px}.product-xl-body h3{font-size:15px}.product-xl-features{display:none}.product-xl-price{font-size:18px}.product-xl-foot{padding-top:7px}}

/* 产品详情页更大气 */
.page-products .detail-hero{position:relative;overflow:hidden;padding:66px 0 54px;color:#eaf2ff;background:radial-gradient(circle at 86% 16%,rgba(37,99,235,.34),transparent 34%),linear-gradient(135deg,#0b1729,#142844 70%,#0e1c32)}
.page-products .detail-hero:before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(180deg,#000,transparent)}
.page-products .detail-hero .breadcrumb{position:relative;z-index:1;color:#8fa4bf}
.page-products .detail-hero .breadcrumb a{color:#b6cae4}
.page-products .detail-hero .detail-title{position:relative;z-index:1;margin-top:22px}
.page-products .detail-hero .detail-title .tag{color:#8fb8ff;background:rgba(143,184,255,.1);border-color:rgba(143,184,255,.25)}
.page-products .detail-hero .detail-title h1{max-width:860px;color:#fff;font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.045em}
.page-products .detail-hero .detail-title p{max-width:680px;color:#aebed5;font-size:14px;line-height:1.8}
.page-products .detail-layout{margin-top:26px}
@media(max-width:700px){.page-products .detail-hero{padding:44px 0 36px}}