:root{--green:#17324d;--green-dark:#2f6690;--green-pale:#e8eef3;--navy:#17324d;--cream:#f4f6f8;--yellow:#d96c3f;--ink:#182534;--muted:#5c6976;--line:#ccd5dd;--white:#fff;--shadow:0 18px 45px rgba(23,50,77,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;line-height:1.6}a{color:inherit}button,input,select,textarea{font:inherit}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:20;padding:.7rem 1rem;background:var(--yellow);border-radius:.4rem}.skip-link:focus{top:1rem}.topbar{height:78px;padding:0 clamp(1.25rem,4vw,4rem);display:flex;align-items:center;justify-content:space-between;background:var(--green);color:white;border-bottom:8px solid var(--yellow);position:relative;z-index:2}.brand{display:flex;gap:1rem;align-items:baseline;text-decoration:none}.brand strong{font-size:1.8rem;letter-spacing:.04em}.brand span{font-weight:700}.top-cta,.primary-button{display:inline-flex;align-items:center;gap:1rem;text-decoration:none;font-weight:800}.top-cta{padding:.55rem 1rem;border:1px solid rgba(255,255,255,.5);border-radius:999px}.hero{min-height:calc(100vh - 78px);padding:clamp(3rem,7vw,7rem) clamp(1.25rem,7vw,7rem);display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.65fr);gap:clamp(2rem,7vw,7rem);align-items:center;background:linear-gradient(125deg,rgba(255,255,255,.55),transparent 55%),var(--cream);overflow:hidden}.hero-copy{max-width:850px}.eyebrow{margin:0 0 .8rem;color:var(--green);font-size:.82rem;font-weight:900;letter-spacing:.2em}.hero h1{margin:0;color:var(--navy);font-size:clamp(2.8rem,6.7vw,6.6rem);line-height:1.04;letter-spacing:-.045em}.hero-intro{max-width:740px;margin:2rem 0;color:var(--muted);font-size:clamp(1rem,1.5vw,1.28rem)}.event-facts{display:grid;grid-template-columns:1fr 1fr;max-width:720px;border-top:1px solid var(--line);border-left:1px solid var(--line);margin:2rem 0}.event-facts div{padding:1rem 1.25rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.event-facts .wide{grid-column:1/-1}.event-facts span{display:block;color:var(--green);font-size:.78rem;font-weight:800;letter-spacing:.12em}.event-facts strong{display:block;color:var(--navy);font-size:1.05rem}.primary-button{padding:1rem 1.3rem;background:var(--green);color:white;border-radius:.55rem;box-shadow:0 8px 0 var(--yellow);transition:transform .2s}.primary-button:hover{transform:translateY(-3px)}.hero-card{position:relative;min-height:500px;padding:2rem;background:var(--green);color:white;border-radius:48% 48% 1.2rem 1.2rem / 22% 22% 1.2rem 1.2rem;box-shadow:var(--shadow);overflow:hidden}.card-number{display:block;font-family:Georgia,serif;font-size:clamp(7rem,15vw,12rem);line-height:.9}.hero-card>p{margin:.4rem 0 2rem;font-size:1.35rem;font-weight:800}.hero-card ul{list-style:none;margin:1.6rem 0 0;padding:0;border-top:1px solid rgba(255,255,255,.35)}.hero-card li{padding:.65rem 0;border-bottom:1px solid rgba(255,255,255,.22)}.signal-lines{display:flex;align-items:end;gap:.55rem;height:65px}.signal-lines i{display:block;width:10px;background:var(--yellow);border-radius:10px}.signal-lines i:nth-child(1){height:20%}.signal-lines i:nth-child(2){height:38%}.signal-lines i:nth-child(3){height:58%}.signal-lines i:nth-child(4){height:78%}.signal-lines i:nth-child(5){height:100%}.program{padding:clamp(4rem,8vw,8rem) clamp(1.25rem,7vw,7rem);background:white;display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.6fr);gap:clamp(2rem,8vw,8rem)}.section-heading{position:sticky;top:3rem;align-self:start}.section-heading h2,.form-intro h2{margin:.2rem 0;color:var(--navy);font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.05}.section-heading>p:last-child,.form-intro>p{color:var(--muted);max-width:440px}.timeline{list-style:none;margin:0;padding:0;border-top:2px solid var(--green)}.timeline li{display:grid;grid-template-columns:150px 1fr;gap:2rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}.timeline time{color:var(--green);font-weight:900}.timeline h3{margin:.25rem 0;color:var(--navy);font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.45}.timeline .speaker{margin:0;color:var(--green);font-size:.9rem;font-weight:800}.timeline .break{background:var(--green-pale);padding:1rem 1.25rem}.registration{padding:clamp(4rem,8vw,8rem) clamp(1.25rem,7vw,7rem);display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.35fr);gap:clamp(2rem,8vw,8rem);background:var(--cream)}.privacy-note{margin-top:2rem;padding:1rem;border-left:5px solid var(--yellow);background:white;color:var(--muted)}.privacy-note strong{display:block;color:var(--navy)}.privacy-note code{font-size:.84em}form{padding:clamp(1.4rem,3vw,2.8rem);background:white;border:2px solid var(--green);border-radius:1rem;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}.form-grid>label,.form-grid fieldset{font-weight:800;color:var(--navy)}.form-grid label>span,.consent b{color:#9b3d31;font-size:.7rem}.form-grid label>small,.form-grid legend small{color:var(--muted);font-size:.7rem;font-weight:500}.form-grid input:not([type=checkbox]),.form-grid select,.form-grid textarea{width:100%;margin-top:.45rem;padding:.82rem .9rem;color:var(--ink);background:#fbfcfa;border:1px solid #9bb09f;border-radius:.45rem;outline:none}.form-grid textarea{resize:vertical}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(47,107,67,.15)}.full{grid-column:1/-1}.form-grid fieldset{margin:0;padding:0;border:0}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;margin-top:.55rem}.check-grid label{padding:.75rem;background:var(--green-pale);border-radius:.45rem;color:var(--ink);font-weight:500}.consent{display:flex;align-items:flex-start;gap:.8rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted)!important;font-weight:500!important}.consent input{margin-top:.35rem;transform:scale(1.15)}.consent span{color:var(--muted)!important;font-size:.9rem!important}.form-error{min-height:1.5rem;color:#9b3d31;font-weight:700}.submit-button{width:100%;padding:1rem 1.2rem;display:flex;justify-content:space-between;border:0;border-radius:.5rem;background:var(--green);color:white;font-weight:900;cursor:pointer}.submit-button:hover{background:var(--green-dark)}.submit-button:disabled{opacity:.65;cursor:wait}.success-panel{padding:clamp(2rem,5vw,4rem);background:var(--green);color:white;border-radius:1rem;box-shadow:var(--shadow)}.success-panel .eyebrow{color:var(--yellow)}.success-panel h3{margin:.2rem 0;font-size:2rem}.success-mark{display:grid;width:64px;height:64px;place-items:center;background:var(--yellow);color:var(--green);border-radius:50%;font-size:2rem;font-weight:900}.success-panel button{padding:.7rem 1rem;border:1px solid white;background:transparent;color:white;border-radius:.45rem;cursor:pointer}footer{padding:2rem clamp(1.25rem,7vw,7rem);display:grid;grid-template-columns:1fr 1fr auto;gap:2rem;background:var(--navy);color:white}footer strong,footer span{display:block}footer strong{color:var(--yellow);font-size:.75rem;letter-spacing:.08em}footer span{font-size:.9rem}footer a{align-self:center}.invalid{border-color:#9b3d31!important;background:#fff8f6!important}
@media (max-width:850px){.hero{grid-template-columns:1fr;min-height:auto}.hero-card{min-height:330px;border-radius:1rem}.card-number{font-size:8rem}.program,.registration{grid-template-columns:1fr}.section-heading{position:static}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}footer{grid-template-columns:1fr}.topbar .brand span{display:none}}
@media (max-width:560px){.topbar{height:70px}.hero{padding-top:3.5rem}.hero h1{font-size:2.75rem}.event-facts{grid-template-columns:1fr}.event-facts .wide{grid-column:auto}.timeline li{grid-template-columns:1fr;gap:.35rem}.form-grid,.check-grid{grid-template-columns:1fr}.top-cta{font-size:.86rem}.hero-card{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary-button{transition:none}}

/* Refined editorial hero */
.topbar{height:76px;padding-left:max(1.25rem,calc((100vw - 1220px)/2));padding-right:max(1.25rem,calc((100vw - 1220px)/2));border-bottom-width:5px}
.brand strong{font-size:1.65rem;letter-spacing:.02em}.brand span{font-size:.92rem;opacity:.9}
.hero{position:relative;min-height:720px;padding:90px max(1.25rem,calc((100vw - 1220px)/2));grid-template-columns:minmax(0,1.35fr) minmax(330px,.65fr);gap:clamp(3rem,7vw,7rem);background:radial-gradient(circle at 72% 18%,rgba(217,108,63,.14),transparent 20%),linear-gradient(140deg,#ffffff 0%,#f4f6f8 68%,#e8eef3 100%)}
.hero:after{content:"";position:absolute;right:-100px;bottom:-140px;width:440px;height:440px;border:1px solid rgba(23,50,77,.14);border-radius:50%;box-shadow:0 0 0 55px rgba(23,50,77,.04),0 0 0 110px rgba(23,50,77,.02)}
.hero-copy{position:relative;z-index:1;max-width:760px}.hero h1{font-size:clamp(3.4rem,6vw,5.9rem);line-height:1.06;letter-spacing:-.045em;font-weight:850;word-break:keep-all}.hero h1 span{display:block;margin-bottom:.15em;color:var(--green);font-family:Georgia,serif;font-size:.58em;font-weight:700;letter-spacing:.02em}.hero-intro{max-width:650px;margin:1.8rem 0 2.1rem;font-size:clamp(1rem,1.4vw,1.2rem)}
.hero-actions{display:flex;align-items:center;gap:1.8rem}.primary-button{padding:.95rem 1.35rem;border-radius:.35rem;box-shadow:0 5px 0 var(--yellow)}.text-link{color:var(--navy);font-weight:800;text-underline-offset:.35rem}
.hero-card{position:relative;z-index:1;min-height:0;padding:2rem;background:#fff;color:var(--ink);border:1px solid #d6dfd7;border-top:8px solid var(--green);border-radius:.6rem;box-shadow:0 18px 45px rgba(24,54,39,.10);overflow:visible}.date-block{display:grid;grid-template-columns:auto 1fr;align-items:end;padding-bottom:1.5rem;border-bottom:1px solid var(--line)}.date-block span{grid-column:1;font-size:.85rem;font-weight:900;letter-spacing:.18em;color:var(--green)}.date-block strong{grid-column:1;font-family:Georgia,serif;font-size:7.4rem;line-height:.78;color:var(--navy);font-weight:500}.date-block small{grid-column:2;align-self:end;padding:0 0 .15rem .8rem;color:var(--green);font-weight:900;letter-spacing:.14em}.hero-card dl{margin:1.5rem 0 0}.hero-card dl div{display:grid;grid-template-columns:64px 1fr;padding:.85rem 0;border-bottom:1px solid #e0e7e1}.hero-card dl div:last-child{border-bottom:0}.hero-card dt{color:var(--green);font-size:.75rem;font-weight:900;letter-spacing:.08em}.hero-card dd{margin:0;color:var(--navy);font-weight:750;line-height:1.5}
.program,.registration{max-width:none}.program{padding-left:max(1.25rem,calc((100vw - 1220px)/2));padding-right:max(1.25rem,calc((100vw - 1220px)/2))}.registration{padding-left:max(1.25rem,calc((100vw - 1220px)/2));padding-right:max(1.25rem,calc((100vw - 1220px)/2))}
@media (max-width:850px){.hero{min-height:auto;grid-template-columns:1fr;padding-top:4.5rem;padding-bottom:4.5rem}.hero-card{max-width:520px}.hero:after{display:none}}
@media (max-width:560px){.hero h1{font-size:3rem}.hero-card{display:block}.date-block strong{font-size:6rem}.hero-actions{align-items:flex-start;flex-direction:column;gap:1.2rem}}
/* 2026 poster edition: original signal art and alternating speaker bands */
:root{--green:#103c68;--green-dark:#176499;--green-pale:#e5f4fa;--navy:#103c68;--cream:#f6fbfe;--yellow:#e39a74;--ink:#18354f;--muted:#53677a;--line:#cbdbe6;--shadow:0 14px 34px rgba(16,60,104,.12)}
body{background:var(--cream);color:var(--ink)}
.topbar{background:var(--navy);border-bottom-color:var(--yellow)}
.top-cta{border-radius:.3rem}
.hero{min-height:560px;grid-template-columns:minmax(0,1.4fr) minmax(280px,.65fr);color:#fff;background:linear-gradient(90deg,rgba(7,38,76,.82),rgba(7,38,76,.26)),url("assets/signal-header.png") center/cover no-repeat,var(--navy)}
.hero:after{display:none}
.hero .eyebrow{color:#b7e5f5}
.hero h1,.hero h1 span{color:#fff}
.hero h1{font-size:clamp(2.8rem,5.6vw,5.4rem)}
.hero h1 span{font-size:.7em}
.hero-intro{color:#fff;font-weight:650}
.primary-button{background:#fff;color:var(--navy);box-shadow:0 4px 0 var(--yellow);border-radius:.3rem}
.primary-button:hover{background:#eaf5fb}
.text-link{color:#fff}
.hero-card{padding:1.5rem 1.7rem;border:0;border-top:5px solid var(--yellow);border-radius:.45rem;box-shadow:0 12px 32px #08294a38}
.date-block{display:flex;align-items:baseline;gap:.55rem}
.date-block span,.date-block small{font-size:.75rem}
.date-block strong{font-size:4.7rem}
.hero-card dl div{grid-template-columns:3.1rem 1fr}
.about{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.3fr);gap:clamp(2rem,6vw,6rem);padding:4.5rem max(1.25rem,calc((100vw - 1220px)/2));background:#fff}
.about-heading h2{margin:0;color:var(--navy);font-size:clamp(1.8rem,2.6vw,2.6rem);line-height:1.35}
.about-copy{padding-left:1.6rem;border-left:3px solid var(--yellow);font-size:1.04rem}
.about-copy p{margin:0 0 1.1rem}.about-copy p:last-child{margin-bottom:0}
.program{background:var(--cream)}
.section-heading h2,.form-intro h2{font-size:clamp(2.2rem,4.5vw,3.7rem)}
.timeline{display:grid;gap:.55rem;border-top:0}
.timeline li{grid-template-columns:140px 1fr;gap:1.2rem;align-items:center;min-height:88px;padding:1.15rem 1.35rem;border:0;border-left:5px solid #adc9db;border-radius:.3rem}
.timeline .talk-peach{background:#fff1e8;border-left-color:var(--yellow)}
.timeline .talk-blue{background:#e5f4fa;border-left-color:#71b5d1}
.timeline .utility{min-height:60px;padding:.8rem 1.35rem;background:#f4f0f7;border-left-color:#a69bc6}
.timeline time{color:var(--navy);white-space:nowrap}
.timeline h3{overflow-wrap:anywhere}
.timeline .utility h3{margin:0}
.timeline .speaker{color:var(--green-dark)}
.registration{background:#eaf4f9}
.privacy-note{border-left-color:var(--yellow)}
form{border:1px solid var(--line);border-radius:.4rem;box-shadow:0 12px 28px #103c6812}
.form-grid input:not([type=checkbox]),.form-grid select,.form-grid textarea{background:#fbfdfe;border-color:#afc3d0;border-radius:.25rem}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--green-dark);box-shadow:0 0 0 3px #17649925}
.check-grid label{background:var(--cream);border:1px solid var(--line)}
.submit-button{border-radius:.25rem}
.success-panel{background:#fff;color:var(--ink);border-top:5px solid var(--yellow);border-radius:.4rem}
.success-panel .eyebrow,.success-panel h3{color:var(--navy)}
.success-panel button{border-color:var(--navy);color:var(--navy)}
.success-mark{background:var(--green-pale);color:var(--navy)}
footer{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr) auto}
footer strong{color:#b9e3f3}
@media(max-width:850px){.hero{grid-template-columns:1fr}.about{grid-template-columns:1fr;gap:1.8rem}footer{grid-template-columns:1fr 1fr}footer a{grid-column:1/-1}}
@media(max-width:560px){.hero{padding-top:3.5rem;padding-bottom:3.5rem}.hero-card{display:block}.about{padding-top:3.2rem;padding-bottom:3.2rem}.about-copy{padding-left:1rem}.timeline li{grid-template-columns:1fr;gap:.1rem}footer{grid-template-columns:1fr}footer a{grid-column:auto}}

/* Speaker biographies follow the same restrained poster palette. */
.timeline .speaker a{color:inherit;text-decoration:underline;text-underline-offset:.2rem}
.timeline .speaker a:hover{color:var(--navy)}
.speakers{padding:4.5rem max(1.25rem,calc((100vw - 1220px)/2));background:#fff}
.speakers-heading{margin-bottom:2rem}
.speakers-heading h2{margin:.2rem 0;color:var(--navy);font-size:clamp(2.2rem,4.5vw,3.7rem);line-height:1.15}
.speakers-heading>p:last-child{margin:.7rem 0 0;color:var(--muted)}
.speaker-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;align-items:start}
.speaker-profile{display:grid;grid-template-columns:112px minmax(0,1fr);gap:1.2rem;padding:1.3rem;border:1px solid var(--line);border-top:4px solid #71b5d1;background:#fff;scroll-margin-top:1.5rem}
.speaker-profile:nth-child(odd){border-top-color:var(--yellow)}
.speaker-portrait{width:112px;height:145px;object-fit:cover;object-position:center 25%;background:#e8f2f8;border-radius:.2rem}
.speaker-portrait.placeholder{display:grid;place-items:center;color:var(--navy);font-size:2.5rem;font-weight:700}
.speaker-profile h3{margin:.15rem 0;color:var(--navy);font-size:1.6rem;line-height:1.2}
.speaker-profile p{margin:.55rem 0;font-size:.91rem;line-height:1.65}
.speaker-profile .profile-session{margin:0;color:var(--green-dark);font-size:.78rem;font-weight:800;letter-spacing:.02em}
.speaker-profile .profile-role{margin:.15rem 0 .75rem;color:var(--muted);font-weight:800}
.speaker-profile .profile-topic{margin-top:.8rem;padding-top:.7rem;border-top:1px solid var(--line);color:var(--navy);font-weight:700}
@media(max-width:850px){.speaker-list{grid-template-columns:1fr}}
@media(max-width:560px){.speakers{padding-top:3.2rem;padding-bottom:3.2rem}.speaker-profile{grid-template-columns:84px minmax(0,1fr);gap:.9rem;padding:1rem}.speaker-portrait{width:84px;height:105px}.speaker-profile h3{font-size:1.3rem}}
.profile-abstract{margin-top:.85rem;padding-top:.75rem;border-top:1px solid var(--line)}
.profile-abstract summary{width:max-content;color:var(--green-dark);font-size:.9rem;font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:.2rem}
.profile-abstract div{max-height:22rem;overflow:auto;margin-top:.7rem;padding:.15rem .8rem;background:var(--cream);border-left:3px solid #71b5d1}
.speaker-profile .profile-abstract p{margin:.55rem 0;font-size:.88rem;line-height:1.7}
.form-grid .honeypot{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.timeline .speaker a {
  font-size: 1.25rem; /* 原本約 0.9rem，可再調成 1.2rem */
  font-weight: 800;
}