/* Inter (SIL OFL 1.1) — Latin/digits only. unicode-range keeps every CJK glyph
   on the system font, so this costs 47KB and never fights PingFang SC / 微软雅黑.
   A full CJK webfont was measured at ~919KB on the homepage and rejected. */
@font-face{font-family:'Inter Variable';font-style:normal;font-display:swap;font-weight:100 900;
  src:url(fonts/inter-latin-wght-normal.woff2) format('woff2-variations');
  size-adjust:97%;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2212,U+2215,U+FEFF,U+FFFD;}
/* Public sales pages. Independent from the authenticated portal's styles. */
.storefront{font-family:'Inter Variable',"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;--wrap:1240px;--paper:#f6f8fb;--paper-raised:#fff;--ink:#17243c;--ink-soft:#52627b;--ink-faint:#65738b;--line:#dfe6ef;--line-soft:#e9eef5;--geo:#2457d6;--geo-deep:#1d4297;--geo-soft:#edf3ff;--sd:#6651c4;--sd-deep:#4a37a3;--sd-soft:#f0edff;--cz:#0f7a63;--cz-deep:#0a5747;--cz-soft:#e6f4ef;--ease:cubic-bezier(.16,.84,.44,1);--lift:0 18px 40px -18px #1d377633;--ink-inv:#f6f9ff;--dark-accent:#a6c7ff;background:#f6f8fb;color:#17243c;}
.storefront h1,.storefront h2,.storefront h3{font-family:'Inter Variable',"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;letter-spacing:-.01em;color:#17243c;text-wrap:balance;}
.storefront .nav{background:rgba(255,255,255,.94);border-color:#e7ecf3;}
.storefront .brand{font-family:inherit;font-weight:750;}
.storefront .brand .mark{background:#2457d6;color:white;}
.storefront .nav-links{gap:20px;font-size:13px;}
.storefront .nav-cta{background:#2457d6;color:white;border-radius:10px;}
.storefront .btn{border-radius:10px;padding:13px 22px;justify-content:center;}
.storefront .btn.primary{background:#2457d6;color:#fff;box-shadow:0 8px 22px #2457d622;}
.storefront .btn.ghost{background:#fff;border-color:#d6dfea;color:#17243c;}
.storefront .eyebrow{color:#2457d6;font-family:inherit;font-size:12px;font-weight:700;letter-spacing:.12em;}
.storefront section{padding:88px 0;}
.storefront [id]{scroll-margin-top:100px;}
.storefront .site-footer{background:#fff;color:#52627b;border-color:#e0e7f0;}
.storefront .foot-grid{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;align-items:start;gap:40px;}
.storefront .foot-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 20px;}
.storefront .foot-links a{justify-content:flex-start;min-height:36px;min-width:0;}
.sf-hero{padding:76px 0 60px!important;background:linear-gradient(135deg,#f9fbff,#f0f5fe 65%,#eaf7f4);overflow:hidden;}
.sf-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:64px;}
.sf-hero h1{font-size:clamp(36px,4.4vw,58px);line-height:1.2;margin:22px 0;}
.sf-hero h1 em{font-style:normal;color:#2457d6;}
.sf-lede{font-size:17px;line-height:1.9;color:#52627b;max-width:38em;}
.sf-hero .cta-row{margin:30px 0 20px;gap:12px;}
.sf-caption{color:#68768d;font-size:12px;line-height:1.8;}
.sf-audience{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:#53637c;}
.sf-audience span+span{border-left:1px solid #cad7e8;padding-left:10px;}
.sf-canvas{position:relative;min-width:0;}
.sf-browser{background:#fff;border:1px solid #e1e8f3;border-radius:16px;box-shadow:0 24px 60px #1d377618;overflow:hidden;transform:rotate(-2deg);}
.sf-browser-bar{display:flex;align-items:center;gap:5px;padding:14px 18px;border-bottom:1px solid #ecf0f6;background:#fbfcff;}
.sf-browser-bar i{width:7px;height:7px;border-radius:50%;background:#d1dbea;}
.sf-browser-bar span{font-size:10px;color:#7c8ba1;margin-left:18px;letter-spacing:.05em;}
.sf-browser-content{padding:32px;}
/* 预留客户案例样式。当前首页只显示排版示意，避免请求未提供的图片。
   确认真实案例与公开授权后，再添加图片、准确图注及 has-shot 切换。 */
.sf-case{margin:0;}
.sf-case .sf-case-shot{display:block;width:100%;height:auto;}
.sf-case.has-shot .sf-browser-content{padding:0;}
.sf-case.has-shot .sf-mock,.sf-case.has-shot .sf-bar-mock,.sf-case.has-shot .sf-mock-cap{display:none;}
.sf-case:not(.has-shot) .sf-bar-live,.sf-case:not(.has-shot) .sf-live-cap{display:none;}
.sf-case figcaption{margin-top:14px;font-size:12px;color:#68768d;text-align:center;}
.sf-case figcaption a{color:#2457d6;text-decoration:none;}
.sf-case figcaption a:hover{text-decoration:underline;text-underline-offset:3px;}
.sf-mini-brand{font-size:12px;font-weight:700;color:#2457d6;}
.sf-browser-content h2{font-size:28px;margin:28px 0 12px;line-height:1.35;}
.sf-browser-content p{color:#75819a;font-size:12px;}
.sf-mini-nav{display:flex;gap:8px;margin-top:28px;}
.sf-mini-nav span{padding:9px 13px;background:#edf3ff;border-radius:6px;color:#345ba4;font-size:11px;}
.sf-preview-bottom{margin-top:28px;padding-top:16px;border-top:1px solid #ecf0f6;display:flex;justify-content:space-between;font-size:11px;color:#68768d;}
.sf-visual-links{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px -8px 0 30px;}
.sf-visual-links a{display:flex;align-items:center;gap:12px;padding:17px;background:white;box-shadow:0 8px 30px #1d37760b;border:1px solid #e1e8f3;border-radius:12px;text-decoration:none;}
.sf-visual-links strong{display:block;font-size:14px;}.sf-visual-links small{color:#76829a;font-size:10px;}
.sf-icon{display:flex;width:42px;height:42px;flex-shrink:0;align-items:center;justify-content:center;border-radius:12px;background:#ebf2ff;color:#2457d6;font-size:20px;}
.sf-icon.green{background:#e8f5ef;color:#08775e;}.sf-icon.purple{background:#f0edff;color:#6651c4;}
.sf-section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:34px;}
.sf-section-head h2{font-size:32px;line-height:1.35;margin:10px 0 12px;}.sf-section-head p{font-size:14px;color:#65738b;max-width:42em;}
.sf-section-head>a{white-space:nowrap;}.sf-text-link{color:#2457d6;font-size:14px;font-weight:650;text-decoration:none;display:inline-flex;align-items:center;min-height:44px;}
.sf-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.sf-service{background:#fff;border:1px solid #e0e7f1;border-radius:18px;padding:28px;display:flex;flex-direction:column;position:relative;}
.sf-service.featured{border-color:#bcd0fa;box-shadow:0 12px 32px #2043850a;}
.sf-service-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px;}
.sf-label{font-size:11px;font-weight:600;color:#65738b;}.sf-service h3{font-size:23px;margin-bottom:12px;}
.sf-service>p{font-size:14px;color:#65738b;min-height:3.6em;}
.sf-price{font-feature-settings:'tnum' 1,'cv05' 1;margin:24px 0 4px;min-height:46px;display:flex;align-items:baseline;flex-wrap:wrap;gap:0 7px;line-height:1.3;font-size:35px;font-weight:750;letter-spacing:-.02em;color:#17243c;font-variant-numeric:tabular-nums;}
.sf-price small{font-size:13px;font-weight:500;color:#65738b;letter-spacing:0;}.sf-price.pending{align-items:center;width:fit-content;padding:0 18px;font-size:15px;font-weight:650;letter-spacing:0;color:#2a3f5f;background:#eef3fb;border:1px solid #dde6f3;border-radius:999px;}
.sf-service ul{padding:24px 0 28px;margin:0;list-style:none;color:#52627b;font-size:13px;display:grid;gap:12px;}
.sf-service li::before{content:'✓';color:#277b67;font-weight:700;margin-right:10px;}
.sf-service-actions{margin-top:auto;display:grid;gap:6px;}.sf-service-actions .sf-text-link{justify-content:center;}
.sf-strip{margin-top:22px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #e0e7f1;padding:20px 0;color:#65738b;font-size:13px;}
.sf-publishing{background:#152944;border-radius:24px;padding:48px;display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;}
.sf-publishing h2{color:#fff;font-size:34px;line-height:1.4;margin:12px 0 20px;}.sf-publishing p{color:#bacbe0;font-size:14px;line-height:1.9;}
.sf-publishing .eyebrow{color:#a8c6ff;}.sf-publishing .btn.primary{background:#fff;color:#183967;box-shadow:none;}.sf-publishing .btn.ghost{background:transparent;border-color:#ffffff4d;color:#fff;}.sf-publishing .btn.ghost:hover{background:#ffffff14;border-color:#fff;color:#fff;}.sf-publishing .sf-text-link{color:#b8d2ff;}.sf-publishing .sf-text-link:hover{color:#fff;}
.sf-steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:steps;}
.sf-steps li{counter-increment:steps;display:grid;grid-template-columns:40px 1fr;gap:16px;padding:19px 0;border-bottom:1px solid #ffffff20;}
.sf-steps li:last-child{border:0;}.sf-steps li:before{content:'0' counter(steps);font-variant-numeric:tabular-nums;color:#7ca6e8;font-size:13px;padding-top:3px;}
.sf-steps strong{color:#fff;font-size:16px;}.sf-steps p{font-size:12px;margin-top:3px;}
.sf-business{background:#fff;border-block:1px solid #e7ecf3;}
.sf-business-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:0;border:1px solid #e0e7f1;border-radius:16px;overflow:hidden;}
.sf-business-grid article{padding:32px;border-right:1px solid #e0e7f1;}.sf-business-grid article:last-child{border:0;}
.sf-business-grid article:first-child{background:#f4f8ff;}.sf-business-grid h3{font-size:24px;margin:14px 0;}.sf-business-grid p{font-size:14px;color:#65738b;min-height:5.4em;}
.sf-business-price{font-size:25px;font-weight:700;margin:20px 0 8px;color:#2457d6;}.sf-business-price small{font-size:12px;font-weight:400;}
.sf-tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.sf-tool-grid a{display:flex;gap:16px;align-items:start;text-decoration:none;border:1px solid #e0e7f1;background:#fff;border-radius:14px;padding:23px;transition:border-color .2s;}.sf-tool-grid a:hover{border-color:#94b3f1;}
.sf-tool-grid h3{font-size:16px;margin:1px 0 6px;}.sf-tool-grid p{font-size:12px;color:#68768d;}.sf-tool-grid small{display:block;margin-top:12px;color:#2457d6;}
.sf-team{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}.sf-team h2{font-size:32px;margin:14px 0 20px;}.sf-team p{color:#65738b;font-size:15px;}.sf-team img{border-radius:18px;aspect-ratio:16/9;object-fit:cover;object-position:48% 22%;}
/* 关于页用的是同一张会议照，site.css 的 .shot img 不裁切，整张原图露出来同样偏杂乱 */
.storefront .shot img[src*="founder-speaking"]{aspect-ratio:16/9;object-fit:cover;object-position:48% 22%;}
.sf-contact-band{padding:48px;border:1px solid #d6e1f2;background:#edf3ff;border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:30px;}
.sf-contact-band h2{font-size:27px;margin-bottom:12px;}.sf-contact-band p{font-size:14px;color:#65738b;}.sf-contact-band .cta-row{margin:0;flex-shrink:0;}
.sf-detail-hero{background:linear-gradient(120deg,#f1f6ff,#f6fafc);padding:48px 0 72px!important;}
.sf-breadcrumb{font-size:12px;color:#65738b;margin-bottom:42px;display:flex;flex-wrap:wrap;gap:10px;}.sf-breadcrumb a{text-decoration:none;}
.sf-detail-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:80px;align-items:center;}
.sf-detail-hero h1{font-size:46px;line-height:1.3;margin:14px 0 24px;}.sf-detail-hero .cta-row{margin:28px 0 0;}
.sf-offer{padding:32px;background:white;border:1px solid #dce5f2;border-radius:18px;box-shadow:0 18px 44px -26px #1d377633;}
.sf-facts{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:0;}
.sf-facts li{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:13px 0;border-bottom:1px solid #eef2f8;font-size:13px;}
.sf-facts li:last-child{border-bottom:0;padding-bottom:0;}
.sf-facts span{color:#68768d;white-space:nowrap;}
.sf-facts strong{color:#17243c;font-weight:600;text-align:right;}
.sf-facts a{color:#2457d6;text-decoration:none;}
.sf-shot{margin:0;}
.sf-shot img{display:block;width:100%;height:auto;border:1px solid #dce5f2;border-radius:16px;box-shadow:0 26px 60px -28px #1d377655;background:#fff;}
.sf-shot figcaption{margin-top:12px;font-size:12px;color:#68768d;text-align:center;}.sf-offer .sf-price{margin:15px 0;}.sf-offer p{font-size:14px;color:#65738b;}.sf-offer ul{font-size:13px;color:#52627b;padding-left:18px;margin:24px 0 0;line-height:2.1;}
.sf-detail-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}.sf-detail-cards article{padding:26px;border:1px solid #e0e7f1;border-radius:14px;background:#fff;}.sf-detail-cards h3{font-size:18px;margin:15px 0 12px;}.sf-detail-cards p{color:#65738b;font-size:14px;}
.sf-process{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;list-style:none;margin:0;padding:0;}.sf-process span{color:#2457d6;font-size:13px;font-weight:600;}.sf-process h3{font-size:17px;margin:12px 0;}.sf-process p{font-size:13px;color:#65738b;}
.sf-faq{max-width:860px;}
.sf-faq details{border-bottom:1px solid #dfe6ef;}
.sf-faq summary{position:relative;display:flex;align-items:center;gap:16px;padding:21px 44px 21px 0;font-size:16px;font-weight:600;cursor:pointer;min-height:28px;list-style:none;}
.sf-faq summary::-webkit-details-marker{display:none;}
.sf-faq summary::after{content:'';position:absolute;right:8px;top:50%;width:9px;height:9px;margin-top:-7px;border-right:2px solid #8695ad;border-bottom:2px solid #8695ad;transform:rotate(45deg);transition:transform .25s var(--ease),border-color .2s var(--ease);}
.sf-faq summary:hover,.sf-faq details[open] summary{color:#2457d6;}
.sf-faq summary:hover::after,.sf-faq details[open] summary::after{border-color:#2457d6;}
.sf-faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px;}
.sf-faq details p{font-size:14px;color:#52627b;line-height:1.9;margin:0 0 22px;max-width:70ch;}
.sf-contact-dialog{width:min(500px,calc(100% - 32px));padding:32px;border:1px solid #dfe7f2;border-radius:20px;background:#fff;color:#17243c;box-shadow:0 20px 80px #10214138;max-height:90dvh;overflow:auto;}
.sf-contact-dialog::backdrop{background:#15263f88;backdrop-filter:blur(5px);}
.sf-dialog-close{position:absolute;right:15px;top:12px;width:44px;height:44px;background:#f1f4f9;border:0;border-radius:8px;color:#3f516e;cursor:pointer;font:26px/1 system-ui,sans-serif;}
.sf-contact-dialog h2{font-family:inherit;font-size:23px;margin:16px 30px 12px 0;}.sf-contact-dialog p{font-size:14px;color:#65738b;line-height:1.8;}.sf-contact-dialog .sf-contact-methods{display:grid;gap:10px;margin-top:24px;}
.sf-contact-dialog a{min-height:44px;padding:10px 0;color:#2457d6;overflow-wrap:anywhere;}
.sf-contact-dialog .sf-wecom-contact{text-align:center;}
.sf-contact-dialog img{display:block;margin:18px auto 8px;width:220px;height:220px;max-width:100%;object-fit:contain;}
.sf-contact-dialog .sf-wecom-caption{margin:0 0 16px;font-weight:600;color:#334760;}
.sf-contact-dialog .btn.primary{display:flex;justify-content:center;width:100%;padding:12px 18px;color:#fff;}
.sf-contact-dialog .sf-wecom-save{display:inline-flex;align-items:center;justify-content:center;margin-top:4px;}
.sf-contact-dialog .sf-wecom-hint{margin:0;text-align:left;font-size:12px;line-height:1.7;}
.sf-contact-dialog .sf-contact-pending{margin:22px 0;padding:15px;border-radius:10px;background:#f3f6fb;color:#52627b;font-size:13px;}

/* --- Interaction, hover and focus layer --- */
.storefront a,.storefront .btn,.storefront summary{transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);}
.storefront .btn.primary:hover{background:#1c48b8;box-shadow:0 14px 30px -8px #2457d655;transform:translateY(-1px);}
.storefront .btn.primary:active{transform:translateY(0);box-shadow:0 6px 16px -6px #2457d555;}
.storefront .btn.ghost:hover{border-color:#2457d6;color:#2457d6;background:#f7faff;}
.storefront .nav-cta:hover{background:#1c48b8;}
.storefront .sf-text-link:hover{color:#1c48b8;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;}
.sf-service,.sf-visual-links a,.sf-tool-grid a,.sf-business-grid article{transition:border-color .25s var(--ease),background-color .25s var(--ease),box-shadow .3s var(--ease),transform .25s var(--ease);}
.sf-service:hover,.sf-visual-links a:hover,.sf-tool-grid a:hover{border-color:#b9cdf5;box-shadow:var(--lift);transform:translateY(-3px);}
.sf-business-grid article:hover{background:#f9fbff;}
.sf-business-grid article:first-child:hover{background:#eaf1ff;}
.storefront a:focus-visible,.storefront .btn:focus-visible,.storefront summary:focus-visible,.storefront button:focus-visible{outline:2px solid #2457d6;outline-offset:3px;border-radius:6px;}
.sf-browser{transition:transform .4s var(--ease),box-shadow .4s var(--ease);}
.sf-canvas:hover .sf-browser{transform:rotate(-1deg) translateY(-4px);box-shadow:0 32px 70px #1d377622;}

@media(min-width:941px) and (max-width:1120px){.storefront .nav-links{gap:10px;font-size:12px;}.storefront .nav-inner{gap:14px;}}
@media(max-width:940px){.storefront .nav>.wrap>.nav-inner>.nav-cta{display:inline-flex;padding:8px 14px;font-size:13px;}.storefront .nav-inner{gap:12px;}.sf-hero-grid,.sf-detail-grid{gap:36px;grid-template-columns:1fr 1fr;}.sf-hero h1{font-size:40px;}.sf-browser-content{padding:24px;}.sf-browser-content h2{font-size:22px;}.sf-visual-links{margin-left:0;}.sf-visual-links a{padding:12px;gap:7px;}.sf-service{padding:22px;}.sf-publishing{gap:35px;padding:36px;}.sf-team{gap:32px;}.sf-business-grid{grid-template-columns:1fr;}.sf-business-grid article{border-right:0;border-bottom:1px solid #e0e7f1;}.sf-business-grid p{min-height:0;}.sf-tool-grid{grid-template-columns:repeat(2,1fr);}.sf-contact-band{padding:32px;flex-direction:column;align-items:start;}.sf-detail-hero h1{font-size:36px;}}
@media(max-width:700px){.storefront section{padding:56px 0;}.sf-hero{padding:44px 0!important;}.sf-hero-grid,.sf-detail-grid,.sf-publishing,.sf-team{grid-template-columns:1fr;}.sf-hero h1{font-size:40px;}.sf-canvas{max-width:480px;margin:0 auto;width:100%;}.sf-browser{transform:none;}.sf-visual-links{margin:12px 0 0;}.sf-hero .sf-lede{font-size:15px;}.sf-service-grid,.sf-detail-cards{grid-template-columns:1fr;}.sf-service{padding:28px;}.sf-service>p{min-height:0;}.sf-service-top{margin-bottom:20px;}.sf-section-head{align-items:start;flex-direction:column;gap:4px;}.sf-section-head h2{font-size:27px;}.sf-publishing{padding:28px;border-radius:16px;gap:24px;}.sf-publishing h2{font-size:28px;}.sf-strip{align-items:start;flex-direction:column;gap:8px;}.sf-process{grid-template-columns:repeat(2,1fr);}.storefront .foot-grid{grid-template-columns:1fr;}.sf-detail-hero{padding:30px 0 48px!important;}.sf-breadcrumb{margin-bottom:26px;}.sf-team h2{font-size:27px;}}
@media(max-width:440px){.storefront .nav>.wrap>.nav-inner>.nav-cta{padding:7px 11px;font-size:12px;}.storefront .brand{font-size:15px;}.sf-tool-grid{grid-template-columns:1fr;}.sf-hero h1{font-size:35px;}.sf-visual-links a{gap:8px;}.sf-visual-links .sf-icon{width:32px;height:32px;font-size:16px;}.sf-visual-links strong{font-size:13px;}.sf-mini-nav span{padding:7px;font-size:10px;}.sf-contact-dialog{padding:26px;}.sf-contact-band .cta-row,.sf-contact-band .btn{width:100%;}.sf-detail-hero h1{font-size:32px;}.sf-process{gap:24px 20px;}}
@media(prefers-reduced-motion:reduce){.sf-browser,.sf-canvas:hover .sf-browser{transform:none;}.storefront *{transition:none!important;}.sf-service:hover,.sf-visual-links a:hover,.sf-tool-grid a:hover,.storefront .btn.primary:hover{transform:none;}}