:root{--serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", STSong, SimSun, serif;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--wrap: 1120px}[data-theme=a]{--brand: #ba1c13;--brand-deep: #8c1109;--accent: #ba1c13;--bg: #fbf9f7;--surface: #ffffff;--surface-2: #f5f0ec;--ink: #1f1c1b;--ink-2: #5f5853;--ink-3: #8b827c;--line: #e8ded8;--hero-bg: #f5efe9;--dark: #2a1512;--notice: #fdf6f5}[data-theme=b]{--brand: #1a3a5c;--brand-deep: #102843;--accent: #b8945f;--bg: #f6f8fa;--surface: #ffffff;--surface-2: #eef2f6;--ink: #16202b;--ink-2: #556575;--ink-3: #8695a3;--line: #dce3ea;--hero-bg: #eaf0f6;--dark: #132433;--notice: #f2f6fa}[data-theme=c]{--brand: #1a1a1a;--brand-deep: #000000;--accent: #ba1c13;--bg: #faf9f7;--surface: #ffffff;--surface-2: #f2f0ec;--ink: #131313;--ink-2: #5c5852;--ink-3: #8a857e;--line: #e4e0d9;--hero-bg: #f2f0ec;--dark: #1a1a1a;--notice: #f7f5f1}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.75;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}h1,h2,h3,.serif{font-family:var(--serif);font-weight:600;letter-spacing:.01em}a{color:inherit}img{max-width:100%;height:auto}.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;z-index:999}.skip:focus{left:0}header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}.logo{font-family:var(--serif);font-size:19px;font-weight:700;text-decoration:none;display:flex;align-items:baseline;gap:9px;white-space:nowrap}.logo span{font-family:var(--sans);font-size:11.5px;font-weight:400;color:var(--ink-3);letter-spacing:.1em}nav.main{display:flex;gap:24px}nav.main a{color:var(--ink-2);text-decoration:none;font-size:14.5px;padding:4px 0;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}nav.main a:hover,nav.main a[aria-current=page]{color:var(--brand);border-color:var(--brand)}.navcta{background:var(--brand);color:#fff!important;padding:9px 18px;border-radius:3px;font-size:14px;text-decoration:none;white-space:nowrap;transition:.2s}.navcta:hover{background:var(--brand-deep)}.disclose{background:var(--notice);border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2);padding:11px 0}.disclose .wrap{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center}.disclose b{color:var(--ink);font-weight:600}.disclose a{color:inherit;text-decoration:underline;text-underline-offset:2px}.disclose .sep{color:var(--ink-3);opacity:.5}section{padding:76px 0}section+section{border-top:1px solid var(--line)}.shead{margin-bottom:42px;max-width:46em}.shead .kicker{font-size:12.5px;letter-spacing:.16em;color:var(--brand);font-weight:600;margin-bottom:12px}.shead h1,.shead h2{font-size:31px;line-height:1.35;margin-bottom:14px}.shead p{color:var(--ink-2);font-size:16px}.compliance{background:var(--surface-2);border-left:3px solid var(--ink-3);padding:18px 22px;font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:30px}.compliance strong{color:var(--ink)}.hero{background:var(--hero-bg);border-bottom:1px solid var(--line)}.hero .wrap{display:grid;grid-template-columns:1fr 400px;gap:56px;align-items:center;padding-top:60px;padding-bottom:60px}.eyebrow{font-size:13px;letter-spacing:.16em;color:var(--brand);margin-bottom:20px;font-weight:600}.hero h1{font-size:46px;line-height:1.25;margin-bottom:18px}.hero h1 em{font-style:normal;color:var(--brand)}.lede{font-size:18px;color:var(--ink-2);line-height:1.85;margin-bottom:34px;max-width:35em}.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:32px}.proof div{background:var(--surface);padding:18px 16px}.proof b{display:block;font-family:var(--serif);font-size:25px;color:var(--brand);line-height:1.2;margin-bottom:5px}.proof small{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.6}.btns{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;padding:13px 26px;border-radius:3px;text-decoration:none;font-size:15px;transition:.2s}.btn-1{background:var(--brand);color:#fff}.btn-1:hover{background:var(--brand-deep)}.btn-2{border:1px solid var(--line);color:var(--ink);background:var(--surface)}.btn-2:hover{border-color:var(--brand);color:var(--brand)}.portrait img{width:100%;display:block;border-radius:2px;box-shadow:0 18px 44px #00000021}.portrait figcaption{margin-top:14px;font-size:12.5px;color:var(--ink-3);text-align:center}.tl{border-left:2px solid var(--line);padding-left:30px;margin-left:6px;display:grid;gap:26px}.tl li{list-style:none;position:relative}.tl li:before{content:"";position:absolute;left:-38px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--brand);border:3px solid var(--bg)}.tl time{font-family:var(--serif);font-size:15px;color:var(--brand);font-weight:600;display:block;margin-bottom:4px}.tl strong{display:block;font-size:16.5px;margin-bottom:4px}.tl p{color:var(--ink-2);font-size:14.5px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:20px}.card{background:var(--surface);border:1px solid var(--line);padding:28px 26px;transition:.22s}.card:hover{border-color:var(--brand);transform:translateY(-2px)}.card h3{font-size:18px;margin-bottom:10px}.card p{color:var(--ink-2);font-size:14.5px}.card .num{font-family:var(--serif);font-size:13px;color:var(--ink-3);display:block;margin-bottom:12px;letter-spacing:.1em}.cases{display:grid;gap:16px}.case{background:var(--surface);border:1px solid var(--line);padding:26px 30px}.case .k{font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;margin-bottom:8px}.case .role{display:inline-block;font-size:12.5px;color:var(--brand);border:1px solid var(--brand);border-radius:2px;padding:2px 10px;margin-bottom:14px}.crow{display:grid;grid-template-columns:1fr 250px;gap:30px;align-items:start}.steps{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.steps span{background:var(--surface-2);border:1px solid var(--line);font-size:13px;padding:4px 12px;border-radius:2px;color:var(--ink-2)}.steps span:before{content:"›";margin-right:7px;color:var(--brand)}.case p{color:var(--ink-2);font-size:14.5px}.result{background:var(--surface-2);padding:16px 18px;border-top:3px solid var(--brand)}.result .r{font-family:var(--serif);font-size:18px;color:var(--brand);margin-bottom:8px;line-height:1.4}.result .doc{font-size:12.5px;color:var(--ink-3);word-break:break-all;line-height:1.7}.note{margin-top:10px;font-size:13px;color:var(--ink-3)}.faq{display:grid;gap:2px;background:var(--line);border:1px solid var(--line)}.faq details{background:var(--surface)}.faq summary{padding:20px 26px;cursor:pointer;font-family:var(--serif);font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--brand);font-size:22px;font-family:var(--sans);flex-shrink:0}.faq details[open] summary:after{content:"−"}.faq .a{padding:0 26px 24px;color:var(--ink-2);font-size:15px}.faq .a p+p{margin-top:12px}.faq .a ul{margin:12px 0 0 20px}.faq .a li+li{margin-top:6px}.artlist{display:grid;gap:18px}.artcard{background:var(--surface);border:1px solid var(--line);padding:28px 30px;text-decoration:none;display:block;transition:.22s}.artcard:hover{border-color:var(--brand);transform:translateY(-2px)}.artcard .meta{font-size:12.5px;color:var(--ink-3);margin-bottom:10px;letter-spacing:.06em}.artcard h2{font-size:22px;margin-bottom:10px;line-height:1.4}.artcard p{color:var(--ink-2);font-size:15px}.article{max-width:42em;margin:0 auto}.article .meta{font-size:13px;color:var(--ink-3);margin-bottom:16px;letter-spacing:.05em}.crumbs{font-size:13px;color:var(--ink-3);margin-bottom:14px}.crumbs a{color:var(--ink-2);text-decoration:none}.crumbs a:hover{color:var(--brand)}.article h1{font-size:34px;line-height:1.35;margin-bottom:20px}.article .stand{font-size:17px;color:var(--ink-2);line-height:1.9;padding:20px 24px;background:var(--surface-2);border-left:3px solid var(--brand);margin-bottom:40px}.prose{font-size:16.5px;line-height:1.95}.prose h2{font-size:24px;margin:46px 0 16px;padding-top:26px;border-top:1px solid var(--line);line-height:1.4}.prose h3{font-size:19px;margin:32px 0 12px}.prose p{margin-bottom:18px;color:var(--ink-2)}.prose strong{color:var(--ink);font-weight:600}.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--ink-2)}.prose li{margin-bottom:9px}.prose blockquote{border-left:3px solid var(--brand);padding:4px 0 4px 20px;margin:24px 0;color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.85}.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}.prose th{background:var(--surface-2);font-weight:600;color:var(--ink)}.prose td{color:var(--ink-2)}.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}.tablewrap{overflow-x:auto}.contact-sec{background:var(--dark);color:#efe9e5}.contact-sec .shead h1,.contact-sec .shead h2{color:#fff}.contact-sec .shead .kicker{color:#fff;opacity:.7}.contact-sec .shead p{color:#ffffffad}.cgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:#ffffff24;border:1px solid rgba(255,255,255,.14)}.cgrid div{background:var(--dark);padding:24px 22px}.cgrid .l{font-size:12.5px;letter-spacing:.14em;opacity:.6;margin-bottom:9px}.cgrid .v{font-family:var(--serif);font-size:19px;word-break:break-all}.cgrid .s{font-size:13px;opacity:.6;margin-top:6px}.contact-sec .compliance{background:#ffffff0f;border-left-color:#ffffff4d;color:#ffffffb8}.contact-sec .compliance strong{color:#fff}footer.site{background:var(--dark);color:#ffffff80;font-size:13px;padding:34px 0 28px;line-height:1.85}footer.site .fmain{color:#ffffffc7;font-family:var(--serif);font-size:15px;margin-bottom:6px}footer.site .fdis{max-width:60em;margin:14px 0 18px;color:#ffffff6b}footer.site .fbot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:16px;color:#ffffff52}footer.site a{color:inherit}footer.site .fbot a{color:inherit}@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:36px;padding-top:42px;padding-bottom:42px}.portrait{max-width:320px;margin:0 auto}.hero h1{font-size:33px}nav.main{display:none}.crow{grid-template-columns:1fr;gap:18px}section{padding:54px 0}.shead h1,.shead h2{font-size:25px}.article h1{font-size:27px}.prose{font-size:16px}}@media print{header.site,nav.main,.navcta,footer.site .fbot{display:none}}.casemore{display:inline-block;margin-top:16px;font-size:14.5px;color:var(--brand);text-decoration:none;border-bottom:1px solid transparent;transition:.2s}.casemore:hover{border-bottom-color:var(--brand)}