:root{--ink:#222329;--muted:#68696f;--line:#e1e2e5;--paper:#fff;--wash:#f4f4f5;--accent:#364b70;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-padding-top:76px;scroll-padding-bottom:calc(100px + env(safe-area-inset-bottom));-webkit-text-size-adjust:100%}body{margin:0;background:#e9e9eb;color:var(--ink);font:16px/1.8 var(--font);padding-bottom:92px}body>header,main,footer{max-width:600px;margin-inline:auto;background:var(--paper)}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}img{display:block;max-width:100%}p,figure,h1,h2,h3,ol,dl,dd{margin:0}p+p{margin-top:18px}h1,h2,h3{line-height:1.4;font-weight:500}h2{font-size:25px;letter-spacing:-.5px}h3{font-size:19px}:focus-visible{outline:3px solid #7182ac;outline-offset:4px}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary::marker{content:""}details{scroll-margin-top:76px}a[href^="#"]{touch-action:manipulation}.container{padding-inline:26px}.section{padding-block:46px}.section-heading{margin-bottom:25px}.section-heading>p:last-child{font-size:13px;line-height:1.8;color:var(--muted);margin-top:10px}.section-note,.faq-source{font-size:12px;line-height:1.9;color:var(--muted);margin-top:25px}.icon{width:17px;height:17px;flex-shrink:0}.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:13px;font-weight:500;text-decoration:underline;text-underline-offset:5px}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:var(--ink);color:white;padding:10px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:30;border-bottom:1px solid #ededee;background:#fffffff5;backdrop-filter:blur(12px)}.header-inner{height:54px;display:flex;align-items:center;justify-content:space-between;padding-inline:26px}.brand{font-size:15px;font-weight:600;letter-spacing:.5px;display:inline-flex;gap:9px;align-items:center}.brand-role{font-size:11px;font-weight:400;padding-left:9px;border-left:1px solid #c5c6ca}.menu-toggle{display:flex;align-items:center;gap:11px;min-height:44px;border:0;background:none;font-size:12px;padding:4px 0 4px 12px}.menu-toggle i{width:20px;height:6px;border-top:1px solid;border-bottom:1px solid}.main-nav{position:absolute;top:53px;left:0;right:0;height:calc(100dvh - 53px);overflow-y:auto;display:none;padding:25px 28px 90px;background:var(--paper)}.main-nav>a{display:block;padding:13px 0;border-bottom:1px solid var(--line);font-size:23px}.main-nav>p{font-size:13px;color:var(--muted);margin-top:24px}.menu-open{overflow:hidden}.menu-open .main-nav{display:block}.menu-open .mobile-call{visibility:hidden}.menu-open .menu-toggle i{transform:rotate(-45deg);height:1px;border-bottom:0}
.portrait-cover{position:relative;isolation:isolate;height:clamp(330px,95vw,400px);background:#534c4e;color:#fff;overflow:hidden}.cover-photo{width:100%;height:100%;object-fit:cover;object-position:50% 0}.portrait-cover:after{content:"";position:absolute;inset:55% 0 0;z-index:0;background:linear-gradient(transparent,#27242ac9);pointer-events:none}.cover-name{position:absolute;z-index:1;left:24px;top:30px;font-size:45px;line-height:1.2;letter-spacing:9px;writing-mode:vertical-rl;font-weight:400}.cover-role{position:absolute;left:15px;top:185px;width:16px;height:48px;white-space:nowrap;font-size:12px;letter-spacing:3px;writing-mode:vertical-rl;font-weight:400}.cover-caption{position:absolute;z-index:1;bottom:25px;left:26px;right:26px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.cover-caption>p{font-size:23px;font-weight:400;line-height:1.55;letter-spacing:.5px}.services-section{padding-top:32px}.services-section .section-heading{margin-bottom:15px}.services-section h2{font-size:22px}.service-card{border-bottom:1px solid var(--line)}.service-card summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:22px;font-size:18px}.service-card strong{font-weight:500}.disclosure{display:grid;place-items:center;width:26px;height:26px;font-size:20px;font-weight:300;line-height:1;transition:transform .2s;color:#6c6d72}.service-card[open] .disclosure{transform:rotate(45deg)}.service-body{padding:0 0 23px;font-size:15px;color:var(--muted);line-height:1.95}.service-body h3{font-size:12px;color:var(--ink);margin:0 0 6px}.service-body a{color:var(--accent);margin-top:12px;font-size:12px}
.eyebrow{font-size:11px!important;color:var(--muted);letter-spacing:1.3px;margin:0 0 12px!important}.reading-links{margin-top:12px;display:grid;gap:4px}.reading-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;color:var(--accent);font-size:12px;line-height:1.7;margin:0}.reading-links .icon{width:14px;height:14px}
.case-section{background:#f4f4f5}.case-section .section-heading{margin-bottom:26px}.case-list{display:grid;gap:0}.case-note{padding:20px 0;border-top:1px solid #d5d5d9}.case-note:first-child{padding-top:0;border-top:0}.case-note>summary{position:relative;padding-right:26px}.case-meta{display:flex;gap:12px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:7px}.result-label{color:var(--accent);padding-left:12px;border-left:1px solid #b5b8c0}.case-title{display:block;font-size:18px;line-height:1.5;font-weight:500;letter-spacing:-.5px;text-wrap:balance}.case-toggle{position:absolute;right:0;bottom:5px;font-size:21px;font-weight:300;transition:transform .2s}.case-note[open] .case-toggle{transform:rotate(45deg)}.case-body{padding-top:25px}.case-facts>div{display:grid;grid-template-columns:30px 1fr;gap:15px;margin-bottom:16px}.case-facts dt{font-size:11px;color:var(--muted);padding-top:3px}.case-facts dd{font-size:15px;line-height:1.95}.case-boundary{font-size:12px;color:#525761;line-height:1.9;padding:10px 0 10px 15px;border-left:2px solid #7c899f;margin-left:45px}.case-materials{margin:23px 0 0 45px;font-size:12px;color:var(--muted);line-height:1.9}.case-materials>p:first-child{font-weight:500;color:var(--ink)}.case-materials p+p{margin-top:5px}.case-materials .text-link{font-size:12px;color:var(--accent);margin-top:6px}
.questions-section{background:var(--paper)}.questions-section h2{font-size:23px}.faq-list details{border-bottom:1px solid #d9d9de}.faq-list summary{position:relative;font-size:15px;font-weight:400;padding:21px 29px 21px 0;line-height:1.7}.faq-list summary:after{content:"+";position:absolute;right:1px;top:20px;font-size:20px;color:var(--muted)}.faq-list details[open] summary:after{content:"−"}.faq-answer{padding-bottom:22px;font-size:15px;color:var(--muted);line-height:1.95}.answer-lead{color:var(--ink);font-weight:500}.faq-answer p+p{margin-top:12px}.answer-actions{display:flex;flex-wrap:wrap;gap:0 18px;margin-top:18px}.answer-actions a,.answer-actions button{min-height:44px;display:inline-flex;align-items:center;border:0;background:none;font-size:12px;color:var(--accent);padding:0;gap:8px;text-decoration:underline;text-underline-offset:4px}.answer-actions .faq-consult{flex-basis:100%;text-decoration:none;font-size:14px;font-weight:500}.faq-source a{text-decoration:underline;text-underline-offset:3px}.contact-section{background:#e9ecf1;padding-bottom:36px}.contact-section h2{font-size:25px}.contact-section h2+p{font-size:14px;color:#555d6a;margin-top:18px}.contact-phone{font-size:35px;line-height:1.3;letter-spacing:-1.5px;font-weight:400;display:inline-block;margin-top:32px}.phone-caption{font-size:12px;margin-top:7px;color:#555d6a}.button{border:1px solid transparent;min-height:48px;padding:11px 18px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;gap:12px}.button-primary{background:var(--ink);color:#fff}.button-secondary{border-color:#a1a7b2;background:transparent}.contact-buttons{display:flex;gap:10px;margin-top:23px}.contact-buttons .button{flex:1}.contact-email{font-size:12px;color:#555d6a;margin-top:14px}.contact-panel{margin-top:32px;border-top:1px solid #bdc4d0;border-bottom:1px solid #bdc4d0}.brief-summary{position:relative;padding:20px 24px 20px 0}.brief-summary:after{content:"+";position:absolute;right:0;top:25px;font-size:22px}.contact-panel[open]>.brief-summary:after{content:"−"}.brief-title{display:block;font-size:16px;font-weight:500;scroll-margin-top:80px}.brief-hint{font-size:12px;color:#555d6a;display:block;margin-top:3px}.brief-content{padding:4px 0 23px;font-size:14px}.brief-content>p{color:#555d6a;font-size:12px}.brief-content label{display:block;font-size:12px;margin:18px 0 7px}.brief-content select,.brief-content textarea{background:#fff;border:1px solid #b2b6bf;border-radius:4px;width:100%;color:var(--ink);font-size:16px;padding:11px;max-width:100%}.brief-content textarea{height:240px;resize:vertical;line-height:1.85}.brief-content .button{width:100%;margin-top:13px}.brief-content .small-note{font-size:11px;margin-top:12px}.contact-note{font-size:12px;line-height:1.9;color:#555d6a;margin-top:22px}.privacy-section{padding-block:22px}.privacy-section summary{font-size:12px;min-height:44px;display:flex;align-items:center;justify-content:space-between}.privacy-section summary:after{content:"+"}.privacy-section details[open] summary:after{content:"−"}.privacy-section p{font-size:12px;color:var(--muted);padding-block:8px}.site-footer{padding-block:16px 25px}.site-footer .container{border-top:1px solid var(--line);padding-top:25px}.site-footer .brand{font-size:19px}.site-footer p{font-size:11px;color:var(--muted);margin-top:8px}.footer-links{display:flex;flex-wrap:wrap;gap:0 22px;margin-top:12px;font-size:11px}.footer-links a{min-height:44px;display:flex;align-items:center}.footer-disclaimer{font-size:11px!important}
.mobile-call{position:fixed;z-index:25;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,600px);padding:10px 22px calc(10px + env(safe-area-inset-bottom));background:#fffffffa;border-top:1px solid #e8e8ea;display:grid;grid-template-columns:1fr 1.45fr;gap:14px}.mobile-call a,.mobile-call button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:46px;font-size:14px;border-radius:5px;font-weight:500}.mobile-call a{border:0;background:transparent}.mobile-call button{background:var(--ink);color:white;border:1px solid var(--ink)}.mobile-call .icon{filter:brightness(0) invert(1);width:16px;height:16px}.copy-toast{position:fixed;z-index:60;bottom:calc(88px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 40px);padding:13px 18px;background:var(--ink);color:white;border-radius:6px;font-size:13px;box-shadow:0 4px 20px #172d4320}.copy-toast[hidden]{display:none}.not-found{padding:80px 28px;min-height:80vh}.not-found h1{font-size:30px;margin-bottom:20px}.not-found .button{margin-top:24px}
@media(max-width:359px){.container,.header-inner{padding-inline:22px}.cover-name{left:21px;top:27px;font-size:40px;letter-spacing:8px}.cover-role{left:13px;top:163px}.cover-caption{left:22px;right:22px;bottom:22px}.cover-caption>p{font-size:20px}.case-title{font-size:18px}.case-facts>div{gap:11px}.case-boundary,.case-materials{margin-left:41px}.contact-phone{font-size:31px}.mobile-call{padding-inline:16px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.answer-references{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);font-size:12px}.answer-references>span{display:block}.answer-references a{display:flex;align-items:center;min-height:44px;line-height:1.6;text-decoration:underline;text-underline-offset:3px}.case-source{margin:16px 0 0 45px;font-size:12px;color:var(--muted);line-height:1.8}

/* Mobile reading order: identity, services, cases, questions, contact. */
.hero-intro{padding-block:24px;border-bottom:1px solid var(--line);scroll-margin-top:72px}.hero-intro .about-lead{font-size:15px;line-height:1.9;margin:0}.profile-more{margin-top:12px}.profile-more>summary{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-size:12px;color:var(--muted)}.profile-more>div{padding-block:8px;font-size:14px;color:var(--muted)}.profile-more .text-link{font-size:12px}.section-number{display:block;font-size:11px;color:var(--muted);letter-spacing:1px;margin-bottom:12px}.section-heading h2{font-size:25px}.services-section{padding-top:38px}.service-label{display:grid;gap:7px}.service-label>span{font-size:13px;line-height:1.8;color:var(--muted)}.more-services{margin-top:12px}.more-services>summary{display:flex;justify-content:space-between;align-items:center;min-height:50px;font-size:13px;color:var(--accent)}.more-services-note{font-size:12px;color:var(--muted);margin-bottom:6px}.more-services .service-card summary{font-size:16px;padding-block:18px}.profile-more[open]>summary>span,.more-services[open]>summary>span,.channel-record[open]>summary>span{transform:rotate(45deg)}
.channel-record{border-top:1px solid #bdc4d0;margin-top:26px}.channel-record>summary{font-size:13px;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px}.channel-record-body{font-size:12px;padding-bottom:18px;color:#555d6a}.channel-record-body a,.channel-record-body button{display:flex;align-items:center;min-height:44px;background:none;border:0;padding:0;font-size:12px;color:var(--accent);text-align:left}.channel-record-body p{margin-block:8px}
.social-dock{position:fixed;z-index:26;right:max(14px,calc((100vw - 600px)/2 + 14px));bottom:calc(82px + env(safe-area-inset-bottom));display:grid;gap:9px}.dock-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;box-shadow:0 3px 12px #22232918}.dock-xhs{background:#e62d49}.dock-wechat{background:#16854b}.dock-icon img{filter:brightness(0) invert(1)}.dock-icon:active{transform:scale(.96)}.menu-open .social-dock{visibility:hidden}.wechat-dialog{width:calc(100% - 40px);max-width:360px;border:0;border-radius:16px;padding:30px 25px;color:var(--ink);background:white}.wechat-dialog::backdrop{background:#11172280}.wechat-dialog form{margin:0}.dialog-close{position:absolute;top:7px;right:8px;border:0;background:none;font-size:25px;min-width:44px;min-height:44px}.wechat-dialog h2{font-size:25px;margin-bottom:17px}.wechat-dialog h2+p{font-size:14px;color:var(--muted);line-height:1.8}.wechat-dialog .button{width:100%;margin-top:16px}.wechat-dialog .button+.button{margin-top:8px}.wechat-dialog .app-fallback,.wechat-status{font-size:12px;line-height:1.8;color:var(--muted);margin-top:16px}.wechat-status:empty{display:none}