:root{--navy:#072352;--blue:#0757ff;--cyan:#15b7bd;--ink:#12223b;--muted:#637087;--line:#dee5ef;--paper:#fff;--soft:#f3f6fb;--radius:16px;--container:1200px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}img{max-width:100%;display:block}button{cursor:pointer}p{line-height:1.85}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}h2{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.4}h3{font-size:1.3rem}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}.container{width:min(var(--container),calc(100% - 80px));margin-inline:auto}.skip-link{position:absolute;left:16px;top:-80px;z-index:50;background:var(--navy);color:white;padding:12px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:28px}.wordmark{font-size:1.8rem;font-weight:750;color:var(--navy);display:flex;align-items:baseline;gap:8px;white-space:nowrap}.brand-period{width:8px;height:8px;background:var(--cyan);display:inline-block}.header-inner nav{display:flex;align-items:center;gap:32px;font-size:.9375rem}.header-inner nav a:hover,.text-link:hover{color:var(--blue)}.nav-contact{border:1px solid var(--navy);padding:10px 20px;border-radius:6px}.hero{display:grid;grid-template-columns:1.14fr 1fr;gap:48px;align-items:center;padding-block:70px 62px}.eyebrow{font-size:.875rem;color:var(--muted);font-weight:600;letter-spacing:.07em;display:flex;align-items:center;gap:10px;margin-bottom:24px}.eyebrow>span{width:24px;height:2px;background:var(--cyan)}h1{font-size:clamp(2.5rem,4.4vw,4rem);line-height:1.38;font-weight:750;color:var(--navy);margin-bottom:26px}.blue-text{color:var(--blue)}.hero-description{color:var(--muted);font-size:1.0625rem;margin-bottom:32px}.hero-actions{display:flex;align-items:center;gap:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:14px 24px;border-radius:6px;border:1px solid transparent;font-weight:600;font-size:.9375rem;line-height:1.4}.button.primary{background:var(--blue);color:#fff;box-shadow:0 7px 18px #0757ff19}.button.primary:hover{background:#0349db}.text-link{font-size:.9375rem;border-bottom:1px solid var(--line);padding-block:8px}.hero-caption{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:.875rem;color:var(--muted);margin-top:40px}.hero-caption i{height:12px;width:1px;background:var(--line)}.hero-visual{overflow:hidden;border-radius:16px;background:var(--navy);color:white;position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;min-height:500px;box-shadow:0 20px 50px #07235212}.hero-visual img{width:100%;object-fit:cover;flex:1;min-height:0;aspect-ratio:1}.visual-topline,.visual-bottomline{display:flex;justify-content:space-between;gap:12px;padding:18px 22px;font-size:.875rem;position:absolute;left:0;right:0;background:linear-gradient(#072352dd,transparent)}.visual-topline{top:0}.visual-bottomline{bottom:0;background:linear-gradient(transparent,#072352dd)}.overview{padding-block:56px 70px;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;margin-bottom:40px}.section-heading .eyebrow{padding-top:10px}.section-heading h2{width:64%;margin-bottom:0}.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.overview-grid article{border-top:2px solid var(--navy);padding-top:24px}.section-number{display:block;color:var(--blue);font-size:.875rem;margin-bottom:26px;font-weight:600}.overview-grid p{font-size:1rem;color:var(--muted)}.contact-panel{background:var(--soft);padding:50px;margin-bottom:54px;border-radius:var(--radius)}.contact-panel h2{margin-bottom:18px}.contact-panel p{color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding-block:26px;display:flex;gap:20px;justify-content:space-between;color:var(--muted);font-size:.875rem}
@media(min-width:1500px){.hero{padding-block:92px}.hero-visual{max-height:590px}}
@media(max-width:1000px){.container{width:calc(100% - 48px)}.header-inner nav{gap:20px}.hero{gap:30px}.hero-visual{min-height:420px}h1{font-size:clamp(2.25rem,4.5vw,3.6rem)}.hero-actions{gap:20px}.hero-caption{gap:10px}.overview-grid{gap:24px}.hero-description br{display:none}}
@media(max-width:700px){html{scroll-padding-top:90px}.container{width:calc(100% - 36px)}.header-inner{min-height:78px;gap:12px}.wordmark{font-size:1.5rem}.header-inner nav{gap:18px}.header-inner nav a{font-size:.875rem}.header-inner nav a[href="#workflow"],.header-inner nav a[href="#about"]{display:none}.nav-contact{padding:8px 12px}.hero{grid-template-columns:1fr;gap:34px;padding-block:38px 42px}.hero .eyebrow{font-size:.8rem;margin-bottom:18px;letter-spacing:0}h1{font-size:clamp(2.3rem,8.5vw,3.3rem);line-height:1.42}.hero-description{font-size:1rem;margin-bottom:24px}.hero-caption{margin-top:28px;font-size:.8125rem}.hero-visual{min-height:0;aspect-ratio:1.08;max-height:440px}.hero-visual img{height:100%;object-fit:cover;object-position:center}.visual-topline,.visual-bottomline{font-size:.8125rem;padding:14px 18px}.section-heading{display:block;margin-bottom:30px}.section-heading h2{width:100%}.section-heading .eyebrow{margin-bottom:16px}.overview{padding-block:40px}.overview-grid{grid-template-columns:1fr;gap:28px}.overview-grid article{padding-top:18px}.section-number{margin-bottom:16px}.overview-grid p{margin-bottom:0}.contact-panel{padding:30px 24px;margin-bottom:36px}.site-footer{flex-direction:column;gap:10px;font-size:.8125rem}.hero-actions{gap:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.service-filter{display:flex;flex-wrap:wrap;gap:10px;padding-block:35px 26px}.filter-button{padding:10px 20px;border:1px solid var(--line);border-radius:100px;background:white;color:var(--muted);font-size:.875rem;font-weight:600;line-height:1.5}.filter-button.active{background:var(--navy);border-color:var(--navy);color:white}.filter-button:hover:not(.active){border-color:var(--blue);color:var(--blue)}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.service-card{border:1px solid var(--line);border-radius:12px;padding:30px 32px;display:flex;flex-direction:column;align-items:flex-start;background:white;transition:border-color .2s,box-shadow .2s}.service-card:hover{border-color:#9cbfff;box-shadow:0 12px 30px #07235208}.card-top{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px;color:var(--muted);font-size:.8125rem;margin-bottom:25px}.card-tag{background:#eff4ff;color:var(--blue);padding:5px 10px;border-radius:4px}.service-card h3{font-size:1.4rem;color:var(--navy);margin-bottom:14px;line-height:1.5;letter-spacing:-.025em}.service-card>p{color:var(--muted);font-size:1rem;line-height:1.85;margin-bottom:20px}.service-scope{font-size:.875rem;color:var(--blue);margin-bottom:20px;line-height:1.7}.service-card details{width:100%;border-top:1px solid var(--line);padding-top:17px;margin-top:auto}.service-card summary{color:var(--muted);font-size:.875rem;cursor:pointer;width:fit-content;line-height:1.8}.service-card details p{margin-block:12px 4px;color:var(--muted);font-size:.9375rem}.service-pick{border:0;background:none;color:var(--navy);font-weight:600;font-size:.9375rem;padding:18px 0 0;text-align:left}.service-pick:hover{color:var(--blue)}.workflow-section{padding-block:70px;background:var(--navy);color:white}.workflow-section .eyebrow{color:#b4c6e1}.workflow-section .section-heading{margin-bottom:50px}.workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}.workflow-grid article{padding-top:20px;border-top:1px solid #ffffff44}.workflow-grid article>span{display:block;margin-bottom:26px;color:#8fabd4;font-size:.875rem}.workflow-grid h3{margin-bottom:14px;font-size:1.25rem}.workflow-grid p{color:#c0d0e9;font-size:.9375rem;margin-bottom:0}.about-section{display:grid;grid-template-columns:1.1fr 1fr;gap:90px;padding-block:90px}.about-copy>p{color:var(--muted);font-size:1rem}.company-facts{border-top:1px solid var(--line);margin:30px 0 0}.company-facts>div{display:flex;justify-content:space-between;gap:24px;font-size:.875rem;padding:17px 0;border-bottom:1px solid var(--line)}.company-facts dt{color:var(--muted);flex-shrink:0}.company-facts dd{margin:0;text-align:right;font-weight:600;color:var(--navy);overflow-wrap:anywhere}.about-brand{border:1px solid var(--line);background:#f8faff;align-self:center;border-radius:var(--radius);overflow:hidden}.about-brand img{width:100%;object-fit:contain;background:white}.about-brand>p{font-size:.9375rem;font-weight:600;margin:30px 24px 20px;text-align:center}.brand-values{display:flex;justify-content:center;gap:20px;color:var(--muted);font-size:.875rem;padding:0 24px 30px}.faq-section{padding-block:20px 80px}.faq-list{margin-left:auto;width:64%;border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding:22px 0}.faq-list summary{cursor:pointer;font-size:1.0625rem;font-weight:600;line-height:1.8;color:var(--navy);padding-right:20px}.faq-list p{font-size:.9375rem;color:var(--muted);margin:16px 0 0;max-width:95%}.contact-section{padding-block:70px;background:#eff4fb}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.contact-copy{padding-top:20px}.contact-copy>p{color:var(--muted);font-size:1rem}.contact-email{display:inline-block;font-size:clamp(1.15rem,2.2vw,1.65rem);font-weight:600;color:var(--navy);margin-block:8px 22px;overflow-wrap:anywhere;word-break:break-word;max-width:100%}.contact-email:hover{color:var(--blue)}.contact-actions{display:flex;gap:14px;flex-wrap:wrap}.button.light{background:var(--navy);color:white}.button.outline-light,.button.secondary{background:transparent;border-color:#b7c4d7;color:var(--navy)}.button.outline-light:hover,.button.secondary:hover{background:#dfe9fb}.brief-panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px}.brief-panel h3{font-size:1.3rem;color:var(--navy);margin-bottom:12px}.brief-panel>p{color:var(--muted);font-size:.9375rem}.brief-panel label{display:block;font-size:.875rem;font-weight:600;color:var(--navy);margin-bottom:9px}.brief-panel select,.brief-panel textarea{width:100%;min-width:0;border:1px solid #cbd5e3;border-radius:6px;padding:12px;color:var(--ink);background:#fff;font-size:.9375rem;line-height:1.7;margin-bottom:20px}.brief-panel select{padding-right:30px}.brief-panel textarea{resize:vertical}.brief-panel textarea::placeholder{color:#738098}.form-hint{font-size:.8125rem;color:var(--muted);margin:12px 0 0;line-height:1.8}#brief-result{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}#brief-output{background:var(--soft);font-size:.875rem}.result-actions{display:flex;gap:12px;flex-wrap:wrap}#brief-status{font-size:.875rem;margin-bottom:0;color:var(--blue)}.site-footer{border-top:0;padding-block:34px}.site-footer p{font-size:.875rem;margin:8px 0 0}.footer-right{display:flex;gap:24px;align-items:start;max-width:55%}.footer-right>details{max-width:270px}.footer-right>details summary{cursor:pointer}.footer-right a:hover{color:var(--blue)}.footer-right p{line-height:1.9}#icp-link{display:inline-block;margin-top:10px}.wechat-dialog{padding:22px 24px 18px;border:0;border-radius:16px;width:min(410px,calc(100% - 36px));color:var(--ink);box-shadow:0 25px 100px #07235255;max-height:calc(100dvh - 40px);overflow:auto}.wechat-dialog::backdrop{background:#071a3f88;backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.dialog-top h2{font-size:1.125rem;letter-spacing:0;margin:0;color:var(--navy)}.dialog-close{background:#eff4fb;border:0;width:36px;height:36px;font-size:1.6rem;border-radius:50%;line-height:1;color:var(--navy);flex-shrink:0}.wechat-dialog img{width:100%;height:auto;margin-block:8px}.wechat-dialog>p{text-align:center;font-size:.875rem;color:var(--muted);margin-bottom:0}
@media(max-width:1000px){.about-section{gap:45px;padding-block:65px}.contact-layout{gap:35px}.workflow-grid{gap:24px}.brief-panel{padding:26px}.service-card{padding:26px}.brand-values{gap:14px}}
@media(max-width:700px){.service-filter{gap:8px;padding-top:28px}.filter-button{padding:9px 14px;font-size:.8125rem}.service-grid{grid-template-columns:1fr;gap:14px}.service-card{padding:24px}.service-card h3{font-size:1.25rem}.card-top{margin-bottom:20px}.workflow-section{padding-block:44px}.workflow-grid{grid-template-columns:1fr 1fr;gap:28px 22px}.workflow-section .section-heading{margin-bottom:28px}.workflow-grid article>span{margin-bottom:16px}.workflow-grid h3{font-size:1.125rem}.about-section{grid-template-columns:1fr;gap:30px;padding-block:48px}.company-facts>div{gap:15px;font-size:.8125rem}.about-brand{max-width:500px;width:100%}.about-brand>p{font-size:.875rem}.faq-section{padding-block:0 48px}.faq-list{width:100%}.faq-list summary{font-size:1rem}.contact-section{padding-block:42px}.contact-layout{grid-template-columns:1fr;gap:30px}.contact-copy{padding-top:0}.contact-copy p br{display:none}.contact-email{font-size:1.15rem}.brief-panel{padding:24px}.contact-actions{gap:12px}.footer-right{max-width:100%;flex-wrap:wrap;gap:18px;margin-top:10px}.footer-right>details{max-width:100%}.site-footer p{font-size:.8125rem}.wechat-dialog{padding-inline:18px}.button{font-size:.875rem}}
@media(max-width:380px){.header-inner nav{gap:10px}.wordmark{font-size:1.3rem}.hero-actions{gap:16px}.hero-actions .button{padding-inline:18px}.hero h1{font-size:2.15rem}.hero-caption{gap:8px}.brand-values{gap:12px}.workflow-grid{grid-template-columns:1fr}}
.about-brand img{height:auto}