:root{--paper:#f7f8fa;--surface:#fff;--ink:#182b3d;--muted:#627080;--line:#dce2e8;--accent:#2d526f;--soft:#edf2f6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600}p{color:var(--muted)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #688baa;outline-offset:5px}button,a{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}.wrap{max-width:1248px;margin:0 auto;padding-left:48px;padding-right:48px}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:16px;padding:10px 18px;background:var(--surface);z-index:100}.skip:focus{top:12px}header{position:sticky;top:0;z-index:30;background:#fffffff2;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand-avatar{width:42px;height:42px;object-fit:contain}.wordmark{font-size:21px;font-weight:600;letter-spacing:-.4px}.brand-divider{font-weight:350;color:#b1bcc6;margin:0 2px}.nav nav{display:flex;align-items:center;gap:34px;font-size:14px}.nav nav>a{padding:28px 0;position:relative}.nav nav>a:hover{color:var(--accent)}.nav nav>a[aria-current]{font-weight:600}.nav nav>a[aria-current]:after{content:"";position:absolute;bottom:17px;left:0;right:0;height:2px;background:var(--accent)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);padding:6px 12px;border-radius:4px;color:var(--ink)}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:13px 23px;border-radius:5px;border:1px solid transparent;font-size:14px;font-weight:550;line-height:1.5;transition:background .2s}.navy{background:var(--ink);color:#fff}.navy:hover{background:#2c4660}.outline{border-color:#c7d0d9;background:transparent}.outline:hover{background:#edf1f5}.text-link{font-size:13px;color:var(--accent)}.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.home-hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:85px;padding-top:66px;padding-bottom:70px;min-height:484px}.purpose-title{font-size:58px;font-weight:580;line-height:1.23;letter-spacing:-1.8px}.purpose-title>span{display:block}.hero-description{font-size:16px;line-height:2;margin-top:25px;max-width:480px}.hero-actions{display:flex;gap:13px;margin-top:31px;flex-wrap:wrap}.author-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:29px 30px 12px}.author-identity{display:flex;gap:20px;align-items:center;padding-bottom:25px;border-bottom:1px solid var(--line)}.author-identity>img{width:88px;height:88px;object-fit:contain;flex-shrink:0}.author-identity h2{font-size:23px;letter-spacing:-.4px;line-height:1.5}.author-identity p{font-size:14px;margin-top:7px}.task-links>a{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:18px 0;border-bottom:1px solid #e6eaee;font-size:15px}.task-links>a:last-child{border-bottom:0}.task-links>a>span:last-child{font-size:20px;color:#8b9baa}.task-links>a:hover{color:var(--accent)}.home-skills{padding-top:46px;padding-bottom:18px;border-top:1px solid var(--line);scroll-margin-top:105px}.home-section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:35px}.home-section-heading h2{font-size:28px;letter-spacing:-.8px}.skill-columns{display:grid;grid-template-columns:1fr 1fr;gap:76px;padding-bottom:47px}.skill-column{min-width:0;scroll-margin-top:110px}.skill-column-heading{border-bottom:1px solid #bdc9d4;padding-bottom:18px}.skill-column-heading h2{font-size:21px;font-weight:550}.skill-entry{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding:22px 0;transition:background .2s}.skill-entry h3{font-size:18px;line-height:1.6;font-weight:550}.skill-entry p{font-size:13px;line-height:1.9;margin-top:4px}.skill-entry-copy{min-width:0}.entry-arrow{font-size:21px;color:#7b8e9e;flex-shrink:0}.skill-entry:hover{background:#f0f3f6}.wish-pool{display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:8px;max-width:1152px;padding:36px;margin-top:5px;margin-bottom:58px;scroll-margin-top:110px}.wish-copy h2{font-size:28px;margin-bottom:18px}.wish-copy h3{font-size:23px;line-height:1.6;font-weight:500}.wish-copy p{font-size:14px;line-height:1.9;margin-top:12px}.wish-inline-form{position:relative;min-width:0;padding:23px;background:#fff;border:1px solid #d5dee7;border-radius:5px}.wish-inline-form>label{display:block;font-size:14px;color:#536a7d;margin-bottom:13px}.wish-inline-form textarea{display:block;width:100%;min-height:125px;max-height:350px;resize:vertical;border:0;outline:0;color:var(--ink);background:#fff;padding:0;line-height:1.9;font-size:15px}.wish-inline-form textarea::placeholder{color:#95a1ac}.wish-inline-form:focus-within{outline:2px solid #7794ab;outline-offset:2px}.wish-inline-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-top:16px;margin-top:16px;border-top:1px solid var(--line)}.wish-inline-bottom>span{font-size:10px;color:#7b8995}.wish-inline-bottom .button{font-size:12px;padding:11px 17px}.wish-honeypot{position:absolute;width:1px;height:1px;clip-path:inset(100%);overflow:hidden;white-space:nowrap}#wish-status{font-size:12px;line-height:1.8;color:#9b633f;margin-top:11px;min-height:0}#wish-status:empty{margin:0}.wish-saved{color:#376e57!important}button:disabled{opacity:.6;cursor:wait}.page-banner{padding-top:46px;padding-bottom:38px}.page-banner .eyebrow:empty,.page-banner p:empty{display:none}.page-banner h1{font-size:40px;line-height:1.3;letter-spacing:-1px;margin-bottom:14px}.page-banner p{font-size:15px;line-height:1.9}.minimal-wish{max-width:850px;padding-bottom:65px}.minimal-wish .wish-inline-form{background:#fff}.wish-privacy-link{display:inline-block;margin-top:18px;font-size:12px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.skill-detail{max-width:920px;padding-top:32px;padding-bottom:70px;min-height:620px}.detail-back{display:block;width:fit-content;font-size:13px;color:var(--accent);margin-bottom:34px}.detail-category{display:block;font-size:12px;color:#758798;margin-bottom:12px}.skill-detail h1{font-size:39px;line-height:1.4;letter-spacing:-1px;margin-bottom:18px}.detail-lead{font-size:16px;line-height:2}.detail-facts{margin:30px 0;font-size:14px}.detail-facts>div{display:grid;grid-template-columns:125px 1fr;gap:26px;padding:19px 0;border-bottom:1px solid var(--line)}.detail-facts dt{color:var(--muted)}.detail-facts dd{margin:0;line-height:2}.detail-actions{display:flex;gap:14px;margin:28px 0}.detail-notes{font-size:13px;padding-top:20px;border-top:1px solid var(--line);margin-top:30px;scroll-margin-top:110px}.detail-notes summary{color:#596c7e;cursor:pointer;width:fit-content}.detail-notes p{font-size:13px;line-height:2;margin-top:14px}.about-profile{display:grid;grid-template-columns:240px 1fr;gap:45px 65px;padding-top:10px;padding-bottom:65px;max-width:1100px}.profile-identity{padding:27px 24px;background:#fff;border:1px solid var(--line);border-radius:6px}.profile-identity img{width:110px;height:110px;margin-bottom:20px;object-fit:contain}.profile-identity h2{font-size:21px}.profile-identity>p{font-size:13px;margin-top:8px}.about-copy{padding-top:12px}.about-copy>p{font-size:15px;line-height:2.1;margin-bottom:23px}.about-profile>.detail-notes{grid-column:1/-1;margin:0}footer{border-top:1px solid var(--line);padding-top:28px!important;padding-bottom:26px!important}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-bottom:20px}.footer-wordmark{font-size:18px;font-weight:550}.footer-links{display:flex;gap:27px;flex-wrap:wrap;font-size:12px;color:#6a7b89}.footer-links a:hover{color:var(--ink)}.footer-bottom{font-size:10px;color:#8a97a2}.footer-bottom>a{display:none}
@media(max-width:1050px){.wrap{padding-left:35px;padding-right:35px}.home-hero{gap:45px}.purpose-title{font-size:51px}.author-panel{padding:24px 23px 9px}.author-identity{gap:15px}.author-identity>img{width:70px;height:70px}.author-identity h2{font-size:20px}.author-identity p{font-size:12px}.task-links>a{font-size:14px}.skill-columns{gap:45px}.wish-pool{margin-left:35px;margin-right:35px;gap:35px}.wish-copy h3{font-size:21px}.wish-inline-bottom{flex-wrap:wrap}}
@media(max-width:760px){.nav{height:76px;position:relative}.brand-avatar{width:36px;height:36px}.wordmark{font-size:18px}.brand{gap:9px}.menu-toggle{display:block;font-size:12px}.nav nav{display:none;position:absolute;left:0;right:0;top:75px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 35px 18px}.nav nav.open{display:flex}.nav nav>a{padding:12px 0;font-size:14px}.nav nav>a[aria-current]:after{display:none}.home-hero{grid-template-columns:1fr;gap:31px;padding-top:36px;padding-bottom:40px;min-height:0}.purpose-title{font-size:48px;line-height:1.22;letter-spacing:-1.2px}.hero-description{font-size:16px;line-height:1.9;max-width:470px;margin-top:23px}.hero-actions{margin-top:26px}.author-panel{padding:23px 23px 8px}.author-identity{gap:18px}.author-identity>img{width:72px;height:72px}.author-identity h2{font-size:22px}.author-identity p{font-size:14px}.task-links>a{font-size:15px;padding:16px 0}.home-skills{padding-top:33px}.home-section-heading{margin-bottom:27px}.home-section-heading h2{font-size:26px}.home-section-heading .text-link{font-size:12px}.skill-columns{gap:35px}.wish-pool{grid-template-columns:1fr;padding:28px;gap:24px;margin-bottom:40px}.wish-copy h2{font-size:26px;margin-bottom:12px}.wish-copy h3{font-size:22px}.wish-copy p{font-size:14px}.page-banner{padding-top:33px;padding-bottom:29px}.page-banner h1{font-size:34px}.about-profile{grid-template-columns:210px 1fr;gap:30px}.profile-identity{padding:22px 20px}.profile-identity h2{font-size:19px}.about-copy>p{font-size:14px}.footer-links{gap:18px}}
@media(max-width:600px){.wrap{padding-left:24px;padding-right:24px}.nav{gap:16px}.nav nav{padding-left:24px;padding-right:24px}.brand-avatar{width:33px;height:33px}.wordmark{font-size:17px}.purpose-title{font-size:45px}.hero-actions{gap:11px}.hero-actions .button{font-size:12px;gap:14px;padding:13px 18px}.hero-description{font-size:15px;line-height:2}.author-identity{gap:15px}.author-identity>img{width:65px;height:65px}.author-identity h2{font-size:21px}.author-identity p{font-size:13px}.task-links>a{font-size:14px}.skill-columns{grid-template-columns:1fr;gap:34px;padding-bottom:32px}.skill-column-heading{padding-bottom:15px}.skill-column-heading h2{font-size:20px}.skill-entry{padding:19px 0}.skill-entry h3{font-size:17px}.skill-entry p{font-size:13px}.wish-pool{margin:8px 24px 35px;padding:25px 20px;gap:24px}.wish-copy h3{font-size:20px}.wish-inline-form{padding:21px 17px}.wish-inline-form textarea{font-size:15px;min-height:145px}.wish-inline-bottom{gap:12px}.wish-inline-bottom>span{font-size:10px}.wish-inline-bottom .button{font-size:12px;padding:11px 16px}.page-banner h1{font-size:32px}.page-banner p{font-size:14px}.minimal-wish{padding-bottom:40px}.skill-detail{padding-top:25px;padding-bottom:40px;min-height:0}.detail-back{font-size:12px;margin-bottom:28px}.skill-detail h1{font-size:29px;letter-spacing:-.5px}.detail-lead{font-size:14px}.detail-facts>div{grid-template-columns:1fr;gap:7px;padding:17px 0}.detail-facts dt{font-size:12px}.detail-facts dd{font-size:14px}.detail-actions .button{font-size:13px}.about-profile{grid-template-columns:1fr;gap:25px;padding-bottom:40px}.profile-identity{display:grid;grid-template-columns:72px 1fr;gap:0 18px;align-items:center}.profile-identity img{grid-row:1/3;width:72px;height:72px;margin:0}.profile-identity h2{font-size:21px;align-self:end}.profile-identity>p{font-size:13px;margin-top:4px;align-self:start}.about-copy{padding-top:0}.footer-top{align-items:flex-start;flex-direction:column;gap:16px}.footer-links{gap:22px}.footer-bottom{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.contact-block{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:29px;font-size:13px}.contact-block>span:first-child{color:#7b8c9a}.contact-block strong{font-size:15px;font-weight:550;color:var(--ink)}.contact-block button{background:transparent;border:1px solid var(--line);border-radius:4px;padding:4px 9px;color:#657a8c;font-size:11px}.contact-block button:hover{background:#edf2f6}.contact-copy-status{font-size:11px;color:#6a7d8e}.contact-copy-status:empty{display:none}.about-copy .contact-block{margin-top:24px}
/* Personal WeChat: QR only, independently typeset for the website. */
.contact-block{display:flex;gap:17px;align-items:center;flex-wrap:nowrap;margin-top:28px}.contact-block .qr-preview{background:#fff;border:1px solid var(--line);padding:3px;border-radius:3px;flex-shrink:0;cursor:zoom-in}.qr-window{position:relative;display:block;width:86px;height:86px;overflow:hidden;background:#fff}.qr-window>img{position:absolute;width:140.506329%;max-width:none;height:auto;left:-20.253165%;top:-46.835443%;user-select:none}.contact-text{display:grid;grid-template-columns:auto auto;gap:2px 12px;align-items:center}.contact-text>strong{grid-column:1/-1;font-size:13px;font-weight:550}.personal-wechat{font-size:15px;color:var(--ink);grid-column:1/-1}.contact-text>button{grid-column:1;width:fit-content;padding:0!important;background:transparent!important;border:0!important;font-size:11px!important;color:#6c8091!important;text-align:left}.contact-copy-status{grid-column:2}.contact-text>.contact-copy-status:empty{display:none}#wechat-contact-dialog{width:350px;max-width:calc(100% - 32px);padding:28px 25px 24px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:center}#wechat-contact-dialog::backdrop{background:#15283d66}#wechat-contact-dialog>h2{font-size:20px;font-weight:550;margin:0 0 20px}.contact-dialog-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:25px;color:#8693a0}.qr-large{width:260px;height:260px;margin:0 auto 15px}#wechat-contact-dialog>p{font-size:16px;color:var(--ink);margin:0 0 13px}#wechat-contact-dialog>[data-copy-wechat]{border:1px solid var(--line);padding:6px 12px;background:#f7f9fb;border-radius:4px;font-size:12px;color:#546a7c}#wechat-contact-dialog>.contact-copy-status{display:block;margin-top:10px}@media(max-width:600px){.qr-window{width:80px;height:80px}.qr-large{width:245px;height:245px}.contact-block{gap:15px}}

.business-contact{font-size:13px;line-height:1.9;color:#71818e}.business-contact a{color:#315772;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.about-copy>.business-contact{margin-top:24px;font-size:14px}.footer-bottom{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap}.footer-bottom .business-contact{font-size:12px}@media(max-width:600px){.footer-bottom{flex-direction:column;gap:8px}.footer-bottom .business-contact{font-size:12px}}
/* Shared closing contact section; top-of-page personal contact stays intact. */
.footer-contact{display:grid;grid-template-columns:1fr 1fr;gap:85px;padding-top:23px;padding-bottom:47px}.footer-contact-prompt{font-size:14px;line-height:1.7;color:#637786;margin-bottom:13px}.footer-contact-copy>h2{font-size:44px;line-height:1.3;letter-spacing:-1px;margin:0 0 23px}.footer-contact-description{font-size:14px;line-height:1.95;max-width:430px;color:#607584;margin-bottom:25px}.footer-email-button{font-size:14px;padding:13px 23px}.footer-contact-details{margin:5px 0 0;min-width:0}.footer-contact-row{display:grid;grid-template-columns:60px minmax(0,1fr);gap:25px;align-items:start;padding:15px 0 21px;border-bottom:1px solid var(--line)}.footer-contact-row>dt{font-size:14px;font-weight:400;color:#69808f;padding-top:2px}.footer-contact-row>dd{margin:0;min-width:0;font-size:17px;line-height:1.7}.footer-email{color:var(--ink);overflow-wrap:anywhere}.footer-email:hover{text-decoration:underline;text-underline-offset:5px}.footer-wechat-row{padding-top:22px;padding-bottom:24px}.footer-wechat{display:flex;justify-content:space-between;align-items:flex-start;gap:25px}.footer-wechat-text{display:flex;flex-direction:column;align-items:flex-start;gap:7px;padding-top:0;min-width:0}.footer-wechat-text>span:first-child{font-size:17px;color:var(--ink);overflow-wrap:anywhere}.footer-wechat-text>[data-copy-wechat]{border:0;background:transparent;font-size:12px;padding:0;color:#617b8c;line-height:1.8;text-align:left}.footer-wechat-text>[data-copy-wechat]:hover{text-decoration:underline;text-underline-offset:4px}.footer-qr{background:#fff;border:1px solid var(--line);padding:4px;border-radius:5px;flex-shrink:0;cursor:zoom-in}.footer-qr .qr-window{width:94px;height:94px}.footer-contact+.footer-top{padding-top:24px;border-top:1px solid var(--line)}
@media(max-width:1000px){.footer-contact{gap:45px}.footer-contact-row{gap:18px;grid-template-columns:50px minmax(0,1fr)}.footer-wechat{gap:17px}.footer-qr .qr-window{width:82px;height:82px}.footer-contact-row>dd,.footer-wechat-text>span:first-child{font-size:16px}}
@media(max-width:700px){.footer-contact{grid-template-columns:1fr;gap:32px;padding-top:14px;padding-bottom:34px}.footer-contact-copy>h2{font-size:39px;margin-bottom:19px}.footer-contact-prompt{font-size:13px;margin-bottom:12px}.footer-contact-description{font-size:14px;margin-bottom:22px}.footer-contact-details{margin-top:0}.footer-contact-row{grid-template-columns:49px minmax(0,1fr);gap:20px;padding-top:14px;padding-bottom:18px}.footer-contact-row>dd,.footer-wechat-text>span:first-child{font-size:16px}.footer-contact-row>dt{font-size:13px}.footer-wechat-row{padding-top:20px;padding-bottom:22px}.footer-qr .qr-window{width:90px;height:90px}.footer-wechat{gap:18px}.footer-contact+.footer-top{padding-top:22px}}

/* Public platform entries; WeChat-only accounts expose their actual search name. */
.footer-socials{display:flex;align-items:center;flex-wrap:wrap;gap:16px 28px;padding:0 0 27px;font-size:14px;color:var(--ink)}
.footer-socials>a,.social-search>summary{cursor:pointer;width:fit-content;line-height:1.8}
.footer-socials>a:hover,.social-search>summary:hover{color:var(--accent)}
.footer-socials>a:focus-visible,.social-search>summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.footer-socials>a>span{margin-left:3px}
.social-search{position:relative}
.social-search>summary{list-style:none}
.social-search>summary::-webkit-details-marker{display:none}
.social-search>summary:after{content:"⌄";margin-left:6px;font-size:12px}
.social-search[open]>summary:after{content:"⌃"}
.social-search>div{position:absolute;left:0;bottom:calc(100% + 12px);z-index:3;width:230px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 28px #23374d12}
.social-search strong{font-size:15px;font-weight:550}
.social-search p{font-size:13px;line-height:1.8;margin-top:8px;color:var(--muted)}
.footer-socials+.footer-top{border-top:1px solid var(--line);padding-top:24px}
@media(max-width:600px){.footer-socials{gap:15px 23px;font-size:13px}.social-search>div{width:210px}}