:root{--navy:#102e4a;--blue:#07679c;--sky:#dceef5;--ink:#18354b;--muted:#526879;--line:#d9e4eb;--paper:#f2f7fa;--white:#fff;--radius:18px;--width:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:var(--white);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.85}a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--navy)}a:focus-visible,summary:focus-visible{outline:3px solid #e79b22;outline-offset:5px}img{max-width:100%;height:auto}p,h1,h2,h3,figure{margin:0}h1,h2,h3{color:var(--navy);line-height:1.4;font-weight:700}h1{font-size:clamp(30px,3.6vw,49px);letter-spacing:-.025em}h2{font-size:clamp(25px,2.8vw,34px);letter-spacing:-.015em}h3{font-size:19px}p+ p{margin-top:14px}a,p,li,dd,h1,h2,h3{overflow-wrap:break-word}.wrap{width:min(var(--width),calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:20px;z-index:20;padding:10px 18px;background:#fff}.skip-link:focus{top:8px}.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;gap:22px;min-height:92px;padding-block:12px}.brand{display:flex;align-items:center;gap:18px;text-decoration:none;min-width:0}.brand img{width:157px;height:auto;flex-shrink:0}.brand-name{font-size:14px;font-weight:600;color:var(--navy);border-left:1px solid var(--line);padding-left:18px;line-height:1.5}.nav{margin-left:auto;display:flex;align-items:center;gap:25px;white-space:nowrap;font-size:14px}.nav a{text-decoration:none;color:var(--muted)}.nav a[aria-current=page]{color:var(--blue);font-weight:700}.nav .nav-contact{color:var(--white);background:var(--navy);padding:9px 17px;border-radius:8px}.breadcrumb{display:flex;gap:9px;font-size:12px;color:var(--muted);padding-top:25px;flex-wrap:wrap}.breadcrumb a{color:var(--muted);text-decoration:none}.hero{background:linear-gradient(120deg,#f0f7fa 0%,#fff 70%);border-bottom:1px solid var(--line)}.hero-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:70px;align-items:center;padding-block:40px 62px}.eyebrow{display:block;font-size:12px;letter-spacing:.1em;color:var(--blue);font-weight:700;margin-bottom:18px}.hero-intro{margin-top:23px;font-size:16px;line-height:1.95;color:var(--muted);max-width:740px}.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:11px 20px;border:1px solid var(--blue);border-radius:8px;text-decoration:none;font-size:14px;font-weight:600;color:#fff;background:var(--blue)}.button:hover{background:var(--navy);color:#fff}.button.secondary{background:#fff;color:var(--navy);border-color:var(--line)}.hero-note{font-size:12px;color:var(--muted);margin-top:18px}.hero-panel{background:var(--navy);color:#e8f2f7;padding:31px;border-radius:var(--radius);box-shadow:0 18px 50px #102e4a12;position:relative;overflow:hidden}.hero-panel::before{content:"";width:220px;height:220px;border:1px solid #ffffff16;border-radius:50%;position:absolute;right:-110px;top:-90px;pointer-events:none}.hero-panel .panel-kicker{color:#a6cfdf;font-size:11px;letter-spacing:.12em}.hero-panel h2{color:#fff;font-size:26px;margin-top:7px}.hero-panel ol{list-style:none;counter-reset:flow;margin:25px 0 0;padding:0}.hero-panel li{counter-increment:flow;display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px;border-top:1px solid #ffffff24;padding-top:15px;margin-top:15px;font-size:14px}.hero-panel li::before{content:"0" counter(flow);font-size:12px;color:#8dc4dd;padding-top:1px}.hero-panel strong{display:block;font-size:14px;color:#fff;font-weight:600}.hero-panel span{display:block;font-size:12px;color:#b9d3e2;margin-top:4px;line-height:1.8}.section{padding-block:65px}.section.soft{background:var(--paper);border-block:1px solid var(--line)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}.section-heading p{font-size:14px;color:var(--muted);margin-top:9px;max-width:750px}.section-link{font-size:13px;flex-shrink:0}.grid{display:grid;gap:20px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px}.card-number{font-size:12px;color:var(--blue);display:block;margin-bottom:13px;letter-spacing:.05em}.card p{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.95}.workflow-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.workflow-step{border-top:2px solid #cbdce6;padding:21px 7px 0 0;min-width:0}.workflow-step .step-number{display:block;color:var(--blue);font-size:12px;margin-bottom:12px}.workflow-step h3{font-size:17px}.workflow-step p{font-size:13px;margin-top:12px;color:var(--muted)}.case-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.case-grid.case-count-2{grid-template-columns:repeat(2,minmax(0,1fr))}.case-grid.case-count-1{grid-template-columns:minmax(0,1fr);max-width:840px}.case-card{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;display:flex;flex-direction:column;min-width:0}.case-media{aspect-ratio:4/3;overflow:hidden;background:#e7eff3}.case-media img{width:100%;height:100%;object-fit:cover;display:block}.case-card-content{padding:23px;display:flex;flex-direction:column;flex:1}.case-card-content h3{font-size:19px}.case-card-content p{margin-top:11px;color:var(--muted);font-size:13px;line-height:1.95}.case-card-content a{display:inline-block;margin-top:21px;font-size:13px;font-weight:600;align-self:flex-start}.case-count-1 .case-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.case-count-1 .case-media{aspect-ratio:auto;min-height:250px}.faq-list{max-width:920px;display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:10px;background:#fff;padding:20px 23px}.faq-list summary{font-size:16px;font-weight:600;color:var(--navy);cursor:pointer;padding-right:12px}.faq-list details p{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);line-height:2}.checklist-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.checklist-card{display:grid;grid-template-columns:30px minmax(0,1fr);gap:13px;padding:23px;border:1px solid var(--line);border-radius:12px;background:#fff}.checklist-card .check{display:grid;place-items:center;width:28px;height:28px;background:#dceef5;color:var(--blue);border-radius:50%;font-size:14px}.checklist-card h3{font-size:17px}.checklist-card p{font-size:13px;color:var(--muted);margin-top:9px}.contact{background:#eaf3f7;border-top:1px solid var(--line)}.contact-grid{display:grid}.contact-intro p{font-size:14px;color:var(--muted);margin-top:17px}.contact-intro .eyebrow{margin-bottom:15px}.contact-intro .contact-scope{border-left:3px solid #b4d3e2;padding-left:15px;font-size:13px;margin-top:22px}.site-footer{background:#0d263c;color:#b2c7d5;padding-block:32px;font-size:12px}.footer-top{display:flex;align-items:start;justify-content:space-between;gap:25px;padding-bottom:22px;border-bottom:1px solid #ffffff1c}.footer-top strong{display:block;font-size:16px;color:#fff;margin-bottom:6px}.footer-top p{margin:0;color:#b2c7d5;font-size:12px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.site-footer a{color:#c6e3f0;text-decoration:none}.footer-filing{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:21px}.footer-filing p{margin:0}.guide-header{max-width:910px;padding-block:39px 47px}.guide-header h1{font-size:clamp(29px,3.4vw,43px)}.guide-header .hero-intro{max-width:850px}.guide-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:55px;align-items:start}.toc{position:sticky;top:118px;border:1px solid var(--line);border-radius:12px;padding:23px;background:#fff}.toc h2{font-size:17px}.toc ol{padding-left:21px;margin:15px 0 0}.toc li{font-size:13px;padding:5px 0;color:var(--muted)}.toc a{text-decoration:none;color:var(--muted)}.guide-article{min-width:0}.guide-section+ .guide-section{margin-top:40px;padding-top:34px;border-top:1px solid var(--line)}.guide-section h2{font-size:24px;margin-bottom:19px}.guide-section p{font-size:15px;color:var(--muted);line-height:2}.guide-section ul{background:var(--paper);border-left:3px solid #a9cddd;padding:20px 25px 20px 39px;margin:22px 0 0;font-size:14px;color:var(--ink)}.guide-section li+li{margin-top:9px}.guide-section a{overflow-wrap:anywhere}.not-found{padding-block:90px;max-width:750px}.not-found p{margin-top:22px;color:var(--muted)}
@media(min-width:1250px){.company-services{grid-template-columns:repeat(4,minmax(0,1fr))}.company-services .card{padding:23px}.company-services h3{font-size:17px}.company-services p{font-size:13px}}
@media(max-width:1000px){.hero-layout{gap:35px;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}.hero-panel{padding:25px}.brand-name{display:none}.workflow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px}.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-layout{grid-template-columns:215px minmax(0,1fr);gap:32px}}
@media(max-width:760px){html{scroll-padding-top:123px}.wrap{width:calc(100% - 36px)}.header-inner{min-height:initial;flex-wrap:wrap;gap:10px;padding-block:15px 12px}.brand img{width:139px}.brand-name{display:block;font-size:12px;padding-left:12px}.brand{gap:12px}.nav{flex-basis:100%;margin-left:0;justify-content:flex-start;gap:26px;font-size:13px}.nav .nav-contact{padding:4px 12px;margin-left:auto}.hero-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:29px 38px}.hero-panel{padding:24px}.hero-panel h2{font-size:23px}.hero-panel ol{margin-top:17px}.hero-panel li{padding-top:12px;margin-top:12px}.hero-panel span{font-size:12px}.hero-intro{font-size:15px;margin-top:20px}.hero .eyebrow{margin-bottom:15px}.section{padding-block:43px}.section-heading{align-items:start;flex-direction:column;gap:10px;margin-bottom:23px}.section-heading p{font-size:13px}.guide-layout{grid-template-columns:minmax(0,1fr);gap:32px}.toc{position:static}.toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:30px}.guide-header{padding-block:28px 37px}.guide-section h2{font-size:22px}.footer-top{flex-direction:column}.footer-filing{flex-direction:column;gap:8px}}
@media(max-width:540px){.service-grid,.workflow-grid,.case-grid,.case-grid.case-count-2,.checklist-grid{grid-template-columns:minmax(0,1fr)}.card{padding:23px}.card p{font-size:14px}.workflow-step{padding-top:18px}.workflow-step p{font-size:14px}.case-count-1 .case-card{display:flex}.case-count-1 .case-media{aspect-ratio:4/3;min-height:0}.case-card-content{padding:22px}.case-card-content p{font-size:14px}.faq-list details{padding:18px}.faq-list summary{font-size:15px}.checklist-card{padding:21px}.checklist-card p{font-size:14px}.toc ol{display:block}.brand-name{max-width:140px;font-size:11px}.nav{gap:18px}.contact-grid{gap:23px}.hero-panel{border-radius:12px}.guide-section ul{padding-left:32px}.footer-links{gap:17px}}
.company-services .card{display:flex;flex-direction:column}.company-services .service-link{display:inline-block;align-self:flex-start;margin-top:auto;padding-top:19px;font-size:13px;font-weight:600}.nav .company-link{font-size:13px}
@media(max-width:760px){.nav:has(.company-link){gap:17px;font-size:12px}.nav .company-link{font-size:12px}.nav:has(.company-link) .nav-contact{padding:4px 9px}}
@media(max-width:380px){.nav:has(.company-link){gap:10px;font-size:11px}.nav .company-link{font-size:11px}.nav:has(.company-link) .nav-contact{padding:4px 7px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}