:root{--ink:#101923;--ink-2:#1f2c39;--paper:#f7f4ef;--white:#fff;--line:rgba(16,25,35,.14);--gold:#b9862f;--red:#9d2f2f;--blue:#2b6f8d;--green:#58735a;--shadow:0 22px 70px rgba(16,25,35,.18)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.site-header{position:fixed;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(18px,4vw,56px);color:var(--white);transition:background .25s ease,box-shadow .25s ease,color .25s ease}.site-header.is-scrolled,.site-header.is-open{color:var(--ink);background:rgba(247,244,239,.96);box-shadow:0 8px 30px rgba(16,25,35,.12);backdrop-filter:blur(14px)}.brand{display:inline-flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid currentColor;border-radius:6px;font-weight:800;color:var(--gold);background:rgba(255,255,255,.1)}.brand strong,.brand small{display:block}.brand strong{font-size:16px;letter-spacing:0}.brand small{font-size:11px;opacity:.76}.site-nav{display:flex;align-items:center;gap:22px;font-size:14px}.site-nav a{padding:6px 0;border-bottom:2px solid transparent}.site-nav a:hover,.site-nav a:focus-visible{border-color:var(--gold)}.nav-toggle{display:none;width:42px;height:42px;border:1px solid currentColor;border-radius:6px;color:inherit;background:transparent}.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:currentColor}.hero{position:relative;min-height:94vh;display:grid;align-items:center;overflow:hidden;color:var(--white)}.hero-image,.hero-overlay{position:absolute;inset:0;width:100%;height:100%}.hero-image{object-fit:cover}.hero-overlay{background:linear-gradient(90deg,rgba(9,16,24,.9) 0%,rgba(9,16,24,.76) 40%,rgba(9,16,24,.18) 100%),linear-gradient(0deg,rgba(16,25,35,.42),rgba(16,25,35,.12))}.hero-content{position:relative;z-index:2;width:min(760px,calc(100% - 36px));margin-left:clamp(18px,6vw,84px);padding-top:70px}.eyebrow{margin:0 0 12px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:0}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{line-height:1.18}h1{margin:0;max-width:700px;font-size:clamp(38px,6vw,72px);letter-spacing:0}.hero-copy{max-width:620px;margin:22px 0 0;font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.88)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;border:1px solid transparent;border-radius:6px;font-weight:800;cursor:pointer}.button.primary{color:var(--white);background:var(--red)}.button.secondary{color:var(--white);border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08)}.button:hover,.button:focus-visible{transform:translateY(-1px);box-shadow:0 14px 28px rgba(0,0,0,.18)}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-points span{padding:7px 12px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.08)}.trust-band{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}.trust-band div{padding:24px clamp(18px,5vw,56px);background:var(--ink);color:var(--white)}.trust-band strong,.trust-band span{display:block}.trust-band strong{margin-bottom:4px;color:var(--gold)}.trust-band span{color:rgba(255,255,255,.76)}.section,.split-section,.process,.contact{padding:clamp(64px,9vw,112px) clamp(18px,5vw,72px)}.section-heading{display:grid;grid-template-columns:minmax(180px,.32fr) minmax(0,.68fr);gap:clamp(20px,5vw,60px);align-items:start;margin-bottom:36px}.section-heading h2,.legal-panel h2,.proof-copy h2,.contact h2{margin:0;font-size:clamp(28px,4vw,46px)}.intro{display:grid;grid-template-columns:minmax(0,.45fr) minmax(0,.55fr);gap:clamp(24px,5vw,74px);align-items:start;background:var(--white)}.intro .section-heading{display:block;margin:0}.intro p:last-child{margin:0;max-width:780px;font-size:20px;color:#4b5661}.services{background:#edf1f1}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.service-card,.industry-row article,.legal-list div,.timeline li,.metrics div,.contact-form{border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.86)}.service-card{min-height:250px;padding:26px;transition:transform .22s ease,box-shadow .22s ease}.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.icon{display:inline-grid;place-items:center;width:44px;height:36px;margin-bottom:26px;border-bottom:3px solid var(--gold);color:var(--red);font-weight:900}.service-card h3,.industry-row h3,.legal-list h3,.timeline h3{margin:0 0 10px;font-size:21px}.service-card p,.industry-row p,.legal-list p,.timeline p,.proof-copy p,.contact p{margin:0;color:#53606b}.split-section{display:grid;grid-template-columns:minmax(280px,.42fr) minmax(0,.58fr);gap:clamp(22px,5vw,70px);background:var(--ink);color:var(--white)}.legal-panel{align-self:center}.legal-panel p:not(.eyebrow){color:rgba(255,255,255,.76)}.text-link{display:inline-flex;margin-top:24px;color:var(--gold);font-weight:800;border-bottom:1px solid currentColor}.legal-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.legal-list div{padding:24px;color:var(--ink)}.industries{background:var(--paper)}.industry-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.industry-row article{padding:24px;min-height:210px}.industry-row article:nth-child(1){border-top:5px solid var(--gold)}.industry-row article:nth-child(2){border-top:5px solid var(--blue)}.industry-row article:nth-child(3){border-top:5px solid var(--red)}.industry-row article:nth-child(4){border-top:5px solid var(--green)}.process{background:var(--white)}.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:0;margin:0;list-style:none}.timeline li{position:relative;min-height:230px;padding:26px}.timeline span{display:grid;place-items:center;width:42px;height:42px;margin-bottom:26px;border-radius:50%;color:var(--white);background:var(--ink);font-weight:900}.proof{display:grid;grid-template-columns:minmax(0,.58fr) minmax(260px,.42fr);gap:clamp(24px,5vw,72px);align-items:center;background:#e7ece7}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metrics div{padding:26px 18px;text-align:center;background:var(--white)}.metrics strong{display:block;color:var(--red);font-size:clamp(34px,5vw,54px);line-height:1}.metrics span{display:block;margin-top:8px;color:#53606b}.contact{display:grid;grid-template-columns:minmax(0,.46fr) minmax(300px,.54fr);gap:clamp(24px,6vw,86px);align-items:start;background:var(--ink-2);color:var(--white)}.contact p{color:rgba(255,255,255,.74)}.contact-form{display:grid;gap:16px;padding:clamp(20px,4vw,34px);color:var(--ink);box-shadow:var(--shadow)}.contact-form label,.contact-form span{display:block}.contact-form span{margin-bottom:7px;font-weight:800}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:13px 14px;font:inherit;color:var(--ink);background:var(--white)}textarea{resize:vertical}.form-note{font-size:13px}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:28px clamp(18px,5vw,72px);color:rgba(255,255,255,.74);background:#0b1219}.site-footer strong,.site-footer span{display:block}.site-footer strong{color:var(--white)}.site-footer a{color:var(--gold);font-weight:800}@media (max-width:980px){.service-grid,.industry-row,.timeline,.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.intro,.split-section,.proof,.contact,.section-heading{grid-template-columns:1fr}}@media (max-width:720px){.site-header{align-items:flex-start}.nav-toggle{display:block;flex:0 0 auto}.site-nav{position:absolute;top:74px;left:18px;right:18px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:10px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--white);box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.site-nav a{padding:12px}.hero{min-height:92vh}.hero-overlay{background:linear-gradient(90deg,rgba(9,16,24,.92),rgba(9,16,24,.72)),linear-gradient(0deg,rgba(16,25,35,.45),rgba(16,25,35,.14))}.hero-content{width:calc(100% - 32px);margin:0 auto}.trust-band,.service-grid,.industry-row,.timeline,.legal-list,.metrics{grid-template-columns:1fr}.button{width:100%}.site-footer{display:block}.site-footer a{display:inline-block;margin-top:16px}}
.en{color:inherit;opacity:.76}.en.block{display:block;margin-top:8px;font-size:14px}.seo-section{background:#f2f5f2}.keyword-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.keyword-grid article{min-height:250px;padding:24px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.9)}.keyword-grid h3{margin:0 0 10px;font-size:21px}.keyword-grid p{margin:0;color:#53606b}.keyword-grid span{display:block;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);color:var(--blue);font-size:13px;line-height:1.5}.faq{background:var(--white)}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:8px;background:#fbfaf7}.faq-list summary{cursor:pointer;padding:18px 22px;font-weight:900}.faq-list p{margin:0;padding:0 22px 18px;color:#53606b}.legal-panel .en,.contact .en{display:block;margin-top:12px;color:rgba(255,255,255,.74);opacity:1}@media (max-width:980px){.keyword-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.keyword-grid{grid-template-columns:1fr}.keyword-grid article{min-height:auto}.en.block{font-size:13px}}
.source-section{background:#fbfaf7}.source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.source-grid article{min-height:245px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.source-grid h3{margin:0 0 10px;font-size:21px}.source-grid p{margin:0;color:#53606b}.source-grid a{display:inline-flex;margin-top:16px;color:var(--red);font-weight:800;border-bottom:1px solid currentColor;word-break:break-all}@media (max-width:980px){.source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.source-grid{grid-template-columns:1fr}.source-grid article{min-height:auto}}
.contact-direct{margin-top:22px}.contact-direct a{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border:1px solid rgba(255,255,255,.35);border-radius:6px;color:#fff;background:rgba(255,255,255,.08);font-weight:900}.contact-direct a:hover{border-color:var(--gold);color:var(--gold)}
.article-page{background:#f7f4ef;color:var(--ink)}.article-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px clamp(18px,5vw,72px);border-bottom:1px solid var(--line);background:#fff}.brand.dark{color:var(--ink)}.dark-link{color:var(--red);margin-top:0}.article-main{width:min(980px,calc(100% - 36px));margin:0 auto;padding:clamp(48px,7vw,84px) 0}.article-main h1{font-size:clamp(34px,5vw,58px);color:var(--ink)}.article-lead{font-size:20px;color:#53606b}.article-card,.article-cta{margin-top:18px;padding:26px;border:1px solid var(--line);border-radius:8px;background:#fff}.article-card h2,.article-cta h2{margin:0 0 10px;font-size:24px}.article-card p,.article-cta p{margin:0;color:#53606b}.keyword-line{color:var(--blue)!important}.article-cta{background:var(--ink);color:#fff}.article-cta p{color:rgba(255,255,255,.74)}.article-cta .button{margin-top:18px}.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px}.guide-list a{display:block;padding:22px;border:1px solid var(--line);border-radius:8px;background:#fff}.guide-list strong,.guide-list span{display:block}.guide-list span{margin-top:6px;color:#53606b}.guide-entry{margin-top:24px}@media (max-width:720px){.article-header{align-items:flex-start}.guide-list{grid-template-columns:1fr}}
.brand-logo{width:46px;height:46px;object-fit:contain;flex:0 0 auto}.site-header:not(.is-scrolled):not(.is-open) .brand-logo{filter:drop-shadow(0 2px 8px rgba(0,0,0,.32))}.contact-card h3{margin:0 0 12px;font-size:24px}.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.button.light{color:var(--ink);border-color:var(--line);background:#fff}.official-link-board{background:#fff}.official-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.official-grid a{display:block;min-height:190px;padding:22px;border:1px solid var(--line);border-radius:8px;background:#fbfaf7}.official-grid strong{display:block;margin-bottom:9px;color:var(--red);font-size:19px}.official-grid span{display:block;color:#53606b;font-size:14px}.brand.dark .brand-logo{filter:none}@media (max-width:1100px){.official-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.official-grid{grid-template-columns:1fr}.official-grid a{min-height:auto}.brand-logo{width:42px;height:42px}.contact-actions .button{width:100%}}

/* Header logo correction: use compact icon only in the navigation bar. */
.brand{min-width:0;flex:0 0 auto}.brand-logo{width:42px!important;height:42px!important;max-width:42px!important;object-fit:contain;flex:0 0 42px}.site-header{min-height:74px}.site-nav{flex:1 1 auto;justify-content:flex-end;min-width:0;white-space:nowrap}.site-nav a{font-size:13px}.brand strong{font-size:17px}.brand small{font-size:11px;line-height:1.25}@media (max-width:1120px){.site-nav{gap:13px}.site-nav a{font-size:12px}}@media (max-width:860px){.site-header{min-height:72px}.site-nav{white-space:normal}.brand-logo{width:40px!important;height:40px!important;max-width:40px!important;flex-basis:40px}.brand strong{font-size:16px}}

.paid-library-section{background:#f8f6f1}.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.price-grid div{padding:22px;border:1px solid var(--line);border-radius:8px;background:#fff}.price-grid strong{display:block;color:var(--red);font-size:24px;line-height:1.2}.price-grid span{display:block;margin-top:8px;color:#53606b}.product-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.product-list article{padding:20px;border:1px solid var(--line);border-radius:8px;background:#fbfaf7}.product-list h3{margin:0 0 10px;font-size:20px}.product-list p{margin:0;color:#53606b}.product-list span{display:block;margin-top:14px;color:var(--red);font-weight:900}.locked-box{margin-top:18px;padding:18px;border:1px dashed var(--red);border-radius:8px;background:#fff7f4}.locked-box strong,.locked-box span{display:block}.locked-box span{color:#53606b}.buy-steps{margin:0;padding-left:22px;color:#53606b}.payment-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,340px);gap:24px;align-items:center}.payment-card img{width:100%;border:1px solid var(--line);border-radius:8px}.paid-library-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}@media (max-width:900px){.price-grid,.product-list,.payment-card{grid-template-columns:1fr}.payment-card img{max-width:360px}}

.payment-method-card{background:#fff}.payment-method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0}.payment-method-grid div{padding:20px;border:1px solid var(--line);border-radius:8px;background:#fbfaf7}.payment-method-grid strong{display:block;color:var(--red);font-size:19px}.payment-method-grid span{display:block;margin-top:8px;color:#53606b}@media (max-width:900px){.payment-method-grid{grid-template-columns:1fr}}

.document-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px}.preview-page{position:relative;min-height:620px;padding:34px 32px;border:1px solid rgba(16,25,35,.22);border-radius:4px;background:#fff;box-shadow:0 16px 40px rgba(16,25,35,.12);overflow:hidden}.preview-page-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:26px;padding-bottom:12px;border-bottom:2px solid var(--ink);font-size:13px}.preview-page-head span{color:var(--red);font-weight:900}.preview-page h3{margin:0 0 8px;font-size:30px}.preview-subtitle{margin:0 0 22px!important;color:var(--blue)!important;font-weight:800}.preview-meta{display:grid;gap:12px;margin:22px 0}.preview-meta p,.preview-note{padding:14px;border-left:4px solid var(--gold);background:#fbfaf7}.preview-toc{margin:12px 0 0;padding-left:22px;color:#53606b}.preview-toc li{margin:7px 0}.preview-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}.preview-table th,.preview-table td{border:1px solid var(--line);padding:10px;vertical-align:top;text-align:left}.preview-table th{background:#101923;color:#fff}.preview-table td:first-child{font-weight:900;color:var(--red);width:24%}.preview-watermark{position:absolute;right:-20px;bottom:20px;transform:rotate(-18deg);font-size:54px;font-weight:900;color:rgba(157,47,47,.08);letter-spacing:0}.preview-note{margin-top:16px!important;color:#53606b!important}.locked-preview>p{color:#53606b}@media (max-width:980px){.document-preview{grid-template-columns:1fr}.preview-page{min-height:auto}}@media (max-width:560px){.preview-page{padding:24px 18px}.preview-page h3{font-size:24px}.preview-table{font-size:12px}.preview-watermark{font-size:42px}}

.paid-catalog-section>p,.paid-library-note{color:#53606b}.paid-catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.paid-catalog-grid a{display:block;min-height:145px;padding:18px;border:1px solid var(--line);border-radius:8px;background:#fbfaf7}.paid-catalog-grid strong{display:block;color:var(--red);font-size:18px}.paid-catalog-grid span{display:block;margin-top:8px;color:#53606b;font-size:14px}.paid-catalog-grid a:hover{box-shadow:0 14px 28px rgba(16,25,35,.12);transform:translateY(-1px)}@media (max-width:980px){.paid-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.paid-catalog-grid{grid-template-columns:1fr}.paid-catalog-grid a{min-height:auto}}
.compact-news{background:#e9f0f6;padding-top:40px;padding-bottom:40px}.news-board{width:min(760px,calc(100% - 36px));margin:0 auto;background:#fff;border:1px solid var(--line)}.news-tab{display:inline-flex;align-items:center;min-height:44px;padding:0 28px;background:#168ad9;color:#fff;font-weight:800}.news-list{list-style:none;margin:0;padding:18px 34px 26px}.news-list li{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:8px 0;color:#1f2c39}.news-list a{line-height:1.45}.news-list a:hover{color:var(--red)}.news-list time{flex:0 0 auto;color:#53606b;font-size:14px}@media (max-width:720px){.news-board{width:calc(100% - 28px)}.news-list{padding:14px 18px 22px}.news-list li{display:block}.news-list time{display:block;margin-top:3px}}