/* bysiyili.com — static portfolio
   No external font dependency: designed to remain reliable for visitors in China. */
:root{
  --paper:#f4f0e8;
  --ink:#171817;
  --muted:#6c6a65;
  --line:#d8d1c6;
  --accent:#b97864;
  --max:1380px;
  --pad:clamp(24px,5.4vw,84px);
  --serif: Georgia, "Times New Roman", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
.site-header{
  position:sticky;top:0;z-index:30;
  height:86px;padding:0 var(--pad);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  border-bottom:1px solid var(--line);background:rgba(244,240,232,.94);backdrop-filter:blur(10px)
}
.mark{width:39px;height:39px;border:1px solid var(--ink);display:grid;place-items:center;font-family:var(--serif);font-size:13px}
.nav{display:flex;gap:clamp(20px,3vw,46px);font-size:13px}
.nav a,.contact-links a,.hero-foot a,.moment-finance a,.resume-actions a{transition:opacity .2s ease, transform .2s ease}
.nav a:hover,.contact-links a:hover,.hero-foot a:hover,.moment-finance a:hover,.resume-actions a:hover{opacity:.55}
.lang-switch{justify-self:end;display:flex;gap:10px;align-items:center;font-size:12px}
.lang-switch button{border:0;background:none;padding:4px;cursor:pointer;color:#9b9891}
.lang-switch button.active{color:var(--ink);font-weight:700}
.chapter{max-width:var(--max);margin:0 auto;padding:clamp(88px,10vw,160px) var(--pad);position:relative;border-bottom:1px solid var(--line)}
.section-label,.eyebrow,.chapter-no,.tiny{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:.98;letter-spacing:-.025em}
h2{font-size:clamp(54px,7vw,104px);max-width:980px}
h3{font-size:clamp(34px,4.5vw,66px)}
.lang-zh{display:none}
body.zh .lang-en{display:none!important}
body.zh .lang-zh{display:block}
body.zh .nav,body.zh .lang-switch,body.zh .section-label,body.zh .eyebrow{letter-spacing:.04em}

/* Hero */
.hero{min-height:calc(100vh - 86px);display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.chapter-no{position:absolute;top:28px;right:var(--pad)}
.hero-name{position:absolute;top:66px;left:var(--pad);font-family:var(--serif);font-size:23px;font-weight:700}
.hero-title{font-size:clamp(58px,8.2vw,126px);max-width:1120px;position:relative;z-index:2;margin:90px 0 110px}
.keyword{position:relative;display:inline-block}
.keyword:after{content:"";position:absolute;left:0;bottom:.02em;width:20%;border-bottom:1px solid var(--accent);transition:width .25s ease}
.keyword:hover:after{width:100%}
.keyword:before{
  content:attr(data-tip);position:absolute;left:0;top:100%;z-index:5;
  font-family:var(--sans);font-size:11px;letter-spacing:.02em;white-space:nowrap;
  background:var(--ink);color:var(--paper);padding:7px 9px;opacity:0;transform:translateY(6px);
  pointer-events:none;transition:.2s ease
}
.keyword:hover:before{opacity:1;transform:translateY(0)}
.orb{position:absolute;border:1px solid rgba(185,120,100,.22);border-radius:50%}
.orb-a{width:min(46vw,610px);height:min(46vw,610px);right:5%;top:20%}
.line-art{position:absolute;height:1px;background:rgba(23,24,23,.12);width:36%;right:3%;transform-origin:right}
.line-a{top:30%;transform:rotate(-17deg)}
.line-b{top:73%;transform:rotate(23deg)}
.hero-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:30px;font-family:var(--serif)}
.hero-foot p{font-family:var(--sans);font-size:10px;font-weight:700;letter-spacing:.035em;margin:0}

/* About */
.about{padding-top:110px}
.moment{min-height:62vh;display:flex;flex-direction:column;justify-content:center}
.moment h2{font-size:clamp(48px,6vw,92px)}
.route{margin-top:72px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:22px;align-items:center}
.route div{display:flex;flex-direction:column;gap:10px}
.route b{font-size:12px;letter-spacing:.12em}
.route span{font-family:var(--serif);font-size:18px;color:var(--muted)}
.route i{font-style:normal;color:var(--muted)}
.moment-courage{align-items:center;text-align:center}
.quote{font-family:var(--serif);font-size:clamp(48px,6.6vw,98px);line-height:1.03}
.quote em,h2 em{font-weight:400}
.moment-courage small{font-family:var(--serif);font-size:19px;font-style:italic;color:var(--muted)}
.moment-finance{max-width:820px;margin-left:auto;min-height:55vh}
.moment-finance h3{margin:16px 0 30px}
.moment-finance p{font-family:var(--serif);font-size:clamp(22px,2.3vw,32px);line-height:1.45}

/* First yes */
.first-yes{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:8vw}
.first-yes .eyebrow{grid-column:1/-1}
.first-yes h2{font-size:clamp(64px,8vw,120px)}
.door-sequence{align-self:center;display:flex;flex-direction:column;gap:20px;font-size:12px;letter-spacing:.12em}
.door-sequence .yes{color:var(--accent)}
.story-copy{grid-column:1/-1;max-width:940px;margin-left:auto;font-family:var(--serif);font-size:clamp(20px,2vw,28px)}
.story-copy .ending{font-size:clamp(28px,3vw,44px);margin-top:45px}

/* Journey */
.journey .section-intro{color:var(--muted);margin:-34px 0 55px}
.journey-list{border-top:1px solid var(--line)}
.journey-list details{border-bottom:1px solid var(--line)}
.journey-list summary{list-style:none;display:grid;grid-template-columns:50px 120px 1fr auto 24px;gap:18px;align-items:center;padding:28px 0;cursor:pointer}
.journey-list summary::-webkit-details-marker{display:none}
.j-num{font-size:11px;color:var(--accent);font-weight:700}
.j-theme{font-size:11px;letter-spacing:.1em;font-weight:700}
.j-company{font-family:var(--serif);font-size:clamp(22px,2.4vw,34px)}
.j-role{font-size:12px;color:var(--muted);text-align:right}
.plus{font-family:var(--serif);font-size:23px;transition:.2s}
details[open] .plus{transform:rotate(45deg)}
.detail-copy{padding:0 0 30px 188px;max-width:930px;font-family:var(--serif);font-size:21px}
.westpac-panel{margin-top:90px;border:1px solid var(--line);padding:clamp(35px,5vw,70px)}
.converge{font-size:10px;letter-spacing:.1em;color:var(--muted);margin-bottom:35px}
.westpac-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:8vw}
.westpac-grid h3{font-size:clamp(58px,7vw,98px);margin:13px 0 20px}
.westpac-grid p{max-width:620px}
.progression{display:flex;flex-direction:column;font-family:var(--serif);font-size:24px;line-height:1.55}
.progression b{font-family:var(--sans);font-size:11px;letter-spacing:.14em;margin-top:20px;color:var(--accent)}
.next-chapter{padding:100px 0 0;max-width:920px;margin-left:auto}
.next-line{font-family:var(--serif);color:var(--muted);margin-bottom:60px}
.next-chapter h3{font-size:clamp(48px,6vw,86px);margin:35px 0}
.next-chapter small{display:block;margin-top:75px;font-family:var(--serif);font-style:italic;color:var(--muted)}

/* Experiments */
.experiments h2{margin:35px 0 90px}
.better-question{border-top:1px solid var(--line);padding-top:45px;max-width:1050px}
.better-question>span{font-size:10px;letter-spacing:.13em}
.better-question h3{font-size:clamp(40px,5vw,76px);margin:25px 0}
.better-question p{font-family:var(--serif);font-size:24px;color:var(--muted)}
.workflow{margin:90px 0;display:grid;grid-template-columns:1fr auto 1fr auto 1.4fr auto 1fr auto .6fr;align-items:center;gap:18px}
.workflow div{min-height:145px;border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;justify-content:space-between}
.workflow b{color:var(--accent);font-size:11px}
.workflow span{font-family:var(--serif);font-size:24px}
.workflow small{font-size:10px;line-height:1.5;color:var(--muted)}
.workflow i{font-style:normal}
.workflow .me{background:var(--ink);color:var(--paper)}
.experiment-learn{max-width:900px;margin-left:auto}
.micro{font-family:var(--serif);font-size:24px;font-style:italic}
.experiment-learn blockquote{margin:50px 0;font-family:var(--serif);font-size:clamp(34px,4vw,58px);line-height:1.12}
.experiment-end{border-top:1px solid var(--line);padding-top:25px;color:var(--muted)}
.experiment-end b{color:var(--accent);margin-right:12px}

/* Thoughts */
.thoughts>.soft{color:var(--muted)}
.thought-article{max-width:880px;margin:110px auto}
.thought-article h3{margin:20px 0 15px}
.chain{font-size:12px;letter-spacing:.04em;color:var(--muted);margin-bottom:55px}
.article-body{font-family:var(--serif);font-size:clamp(20px,2vw,27px);line-height:1.55}
.article-body p{margin-bottom:30px}
.article-ending{font-size:1.3em;line-height:1.3}
.questions{margin-top:140px}
.questions h3{max-width:760px}
.questions ol{list-style:none;padding:0;margin:55px 0 0;border-top:1px solid var(--line);counter-reset:q}
.questions li{counter-increment:q;position:relative;padding:34px 0 34px 55px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:30px;font-family:var(--serif);font-size:clamp(23px,2.5vw,35px)}
.questions li:before{content:"0" counter(q);position:absolute;left:0;top:40px;font-family:var(--sans);font-size:10px;color:var(--accent);font-weight:700}
.questions li small{font-family:var(--serif);font-size:14px;font-style:italic;color:var(--muted);opacity:0;transition:.2s}
.questions li:hover small{opacity:1}
.still{text-align:right;margin-top:70px;font-family:var(--serif);font-size:18px;font-style:italic}

/* Resume */
.resume{text-align:left}
.resume h2{margin-bottom:20px}
.resume-sub{font-family:var(--serif);font-size:24px;color:var(--muted)}
.resume-tabs{display:flex;gap:12px;margin:60px 0 25px}
.resume-tabs button{border:0;border-bottom:1px solid transparent;background:none;padding:10px 0;margin-right:24px;cursor:pointer;color:var(--muted)}
.resume-tabs button.active{color:var(--ink);border-bottom-color:var(--accent)}
.resume-frame{width:min(780px,100%);height:min(72vh,880px);background:#fff;box-shadow:0 18px 60px rgba(50,45,38,.09);margin:0 auto;overflow:hidden}
.resume-frame iframe{width:100%;height:100%;border:0}
.resume-actions{width:min(780px,100%);margin:20px auto 0;display:flex;justify-content:space-between;font-family:var(--serif)}

/* Contact */
.contact{min-height:85vh;display:flex;flex-direction:column;justify-content:space-between}
.contact h2{font-size:clamp(70px,9vw,132px);max-width:1100px;margin:70px 0 20px}
.contact h2 em{display:inline-block;border-bottom:1px solid var(--accent)}
.contact>p{font-family:var(--serif);color:var(--muted)}
.contact-links{display:flex;gap:45px;margin:80px 0;font-family:var(--serif);font-size:22px}
.contact footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:28px;font-size:11px}

/* responsive */
@media (max-width:900px){
  .site-header{grid-template-columns:auto 1fr auto;height:70px}
  .nav{display:none}
  .hero{min-height:calc(100vh - 70px)}
  .hero-name{top:45px}
  .hero-title{margin:90px 0 80px}
  .route{grid-template-columns:1fr;gap:16px}
  .route i{transform:rotate(90deg);justify-self:start}
  .first-yes{grid-template-columns:1fr}
  .door-sequence,.story-copy{grid-column:1}
  .journey-list summary{grid-template-columns:36px 86px 1fr 20px}
  .j-role{grid-column:3;text-align:left}
  .plus{grid-column:4;grid-row:1/3}
  .detail-copy{padding-left:122px}
  .westpac-grid{grid-template-columns:1fr}
  .workflow{grid-template-columns:1fr}
  .workflow i{text-align:center}
  .questions li{flex-direction:column}
  .questions li small{opacity:1}
}
@media (max-width:600px){
  body{font-size:15px}
  .chapter{padding-left:22px;padding-right:22px}
  .site-header{padding:0 22px}
  .hero-title{font-size:clamp(48px,14vw,72px)}
  .hero-foot{align-items:flex-end;gap:24px}
  .hero-foot p{max-width:190px}
  .orb-a{width:86vw;height:86vw;right:-28%;top:25%}
  .moment{min-height:auto;padding:90px 0}
  .moment h2,.quote{font-size:clamp(42px,13vw,64px)}
  .first-yes h2{font-size:clamp(62px,18vw,90px)}
  .journey-list summary{grid-template-columns:32px 1fr 20px;gap:10px}
  .j-theme{grid-column:2}
  .j-company{grid-column:2}
  .j-role{grid-column:2}
  .plus{grid-column:3;grid-row:1/4}
  .detail-copy{padding-left:42px}
  .westpac-panel{padding:28px}
  .workflow{margin:55px 0}
  .resume-frame{height:66vh}
  .contact-links{flex-direction:column;gap:18px}
}
\n\n/* V1.01 — restore editorial micro-interactions and alignment */\n.route div { position: relative; min-height: 54px; }\n.route span { opacity: 0; transform: translateY(6px); transition: opacity .22s ease, transform .22s ease; pointer-events: none; }\n.route div:hover span { opacity: 1; transform: translateY(0); }\n\n.moment-finance .later-note { display:inline-block; margin-top:26px; color:var(--muted); font-family:var(--serif); font-size:15px; font-style:italic; }\n\n.first-yes .eyebrow, .first-yes h2,\n.journey > .section-label, .journey > h2, .journey > .section-intro,\n.experiments > .section-label, .experiments > .eyebrow, .experiments > h2,\n.thoughts > .section-label, .thoughts > h2, .thoughts > p,\n.resume > .section-label, .resume > h2, .resume > .resume-sub,\n.contact > .section-label, .contact > h2, .contact > p { text-align:left; margin-left:0; }\n\n.first-yes h2, .journey > h2, .experiments > h2, .thoughts > h2, .resume > h2, .contact > h2 { font-family:var(--serif); font-weight:400; letter-spacing:-0.035em; }\n\n.story-copy, .moment-finance, .experiment-learn, .thought-article, .next-chapter { max-width:860px; }\n.story-copy, .next-chapter, .experiment-learn { margin-left:auto; margin-right:0; }\n.thought-article { margin-left:auto; margin-right:auto; }\n\n.converge, .progression b, .section-label, .eyebrow { word-break:keep-all; overflow-wrap:normal; }\n\n@media (hover:none), (max-width:700px) { .route span { opacity:1; transform:none; } }\n