:root{--blue:#075ee3;--deep:#003ba8;--cyan:#65f5ff;--ink:#14315d;--card:#fff;--muted:#6e7e9d;--safe:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#edf4ff;color:var(--ink)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.hidden{display:none!important}
#app{min-height:100vh}.home-shell{min-height:100vh;background:radial-gradient(circle at 50% 10%,#44cfff 0,#0a78eb 18%,#003ea8 78%);display:flex;justify-content:center}.poster{width:min(100vw,750px);aspect-ratio:750/1600;background:#0565e5 center top/100% 100% no-repeat;position:relative;box-shadow:0 0 44px #001a6d66}.hotspot{position:absolute;border:0;background:transparent;cursor:pointer;border-radius:18px}.hotspot:focus-visible{outline:4px solid #fff;outline-offset:-5px}.h1{left:5.3%;top:27%;width:28%;height:12.1%}.h2{left:36.1%;top:27%;width:28%;height:12.1%}.h3{left:66.8%;top:27%;width:28%;height:12.1%}.h4{left:5.3%;top:40.8%;width:28%;height:12.1%}.h5{left:36.1%;top:40.8%;width:28%;height:12.1%}.h6{left:66.8%;top:40.8%;width:28%;height:12.1%}
.page{min-height:100vh;background:linear-gradient(180deg,#024ecb 0,#0a78ed 245px,#eff6ff 245px);padding-bottom:calc(32px + var(--safe))}.topbar{height:58px;color:#fff;display:flex;align-items:center;gap:12px;padding:0 16px;position:sticky;top:0;z-index:5;background:#064fcbd9;backdrop-filter:blur(12px)}.back{width:38px;height:38px;border:0;border-radius:50%;background:#ffffff20;color:#fff;font-size:27px;line-height:1}.topbar h1{font-size:18px;margin:0}.hero{color:#fff;padding:27px 22px 44px;text-align:center}.hero .eyebrow{font-size:13px;letter-spacing:.18em;opacity:.8}.hero h2{font-size:28px;margin:8px 0 6px}.hero p{margin:0;opacity:.9;font-size:14px}.content{width:min(calc(100% - 28px),720px);margin:-22px auto 0;position:relative}.card{background:#fff;border-radius:18px;padding:20px;margin-bottom:14px;box-shadow:0 10px 28px #173d7930}.card h3{margin:0 0 14px;font-size:19px}.card h4{margin:16px 0 8px}.card p{line-height:1.8;margin:8px 0;color:#465b7b}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#e9f6ff;color:#0757c8;border:1px solid #b8e8ff;border-radius:999px;padding:8px 12px;font-weight:600}.timeline{list-style:none;padding:0;margin:0}.timeline li{display:grid;grid-template-columns:78px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid #edf1f7}.timeline li:last-child{border:0}.timeline time{color:#0876e8;font-weight:700}.guide-grid,.speaker-grid,.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mini-card{border:1px solid #d7e8ff;background:linear-gradient(145deg,#f8fcff,#eaf5ff);border-radius:15px;padding:16px}.mini-card .icon{font-size:28px;margin-bottom:8px}.mini-card strong{display:block;margin-bottom:6px}.mini-card span{font-size:13px;color:var(--muted);line-height:1.5}.speaker{background:#fff;border:1px solid #dceaff;border-radius:16px;padding:16px;text-align:center}.avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;color:white;font-size:27px;font-weight:800;background:linear-gradient(145deg,#13d9ff,#0758d9);box-shadow:0 6px 16px #0b73df55}.speaker b{display:block}.speaker small{display:block;margin-top:4px;color:var(--muted)}
.file-row{display:flex;align-items:center;gap:12px;border-top:1px solid #edf1f7;padding:14px 0}.file-row:first-of-type{border-top:0}.file-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#e7f5ff;color:#0872de;font-size:22px}.file-meta{flex:1;min-width:0}.file-meta b{display:block}.file-meta small{color:var(--muted)}.download{border:0;border-radius:10px;padding:8px 11px;color:#fff;background:#0875e9;text-decoration:none}.download.disabled{background:#b9c8da;pointer-events:none}.empty{text-align:center;padding:30px 10px;color:var(--muted)}.gallery-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;background:#eaf4ff}.gallery-item{position:relative}.gallery-item span{display:block;padding:8px 2px 0;font-size:13px}.form label{display:block;font-weight:600;margin:14px 0 7px}.form input,.form textarea,.admin input{width:100%;border:1px solid #cfe0f4;border-radius:12px;padding:12px 13px;background:#f9fcff;outline:0}.form input:focus,.form textarea:focus,.admin input:focus{border-color:#1688ef;box-shadow:0 0 0 3px #1688ef1c}.form textarea{min-height:120px;resize:vertical}.primary{width:100%;border:0;border-radius:13px;padding:13px;color:white;font-weight:700;background:linear-gradient(90deg,#0277ef,#02bfe9);box-shadow:0 8px 18px #0876e844;margin-top:16px}.primary:disabled{opacity:.55}.notice{border-left:4px solid #18a8ef;background:#eef9ff;padding:12px 14px;border-radius:8px;color:#365675;line-height:1.6}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#10294eea;color:#fff;padding:11px 18px;border-radius:999px;transition:.25s;z-index:30;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%,0)}.admin{max-width:620px;margin:0 auto}.admin-panel{display:grid;gap:10px}.admin-status{font-size:13px;color:var(--muted)}
@media (max-width:420px){.card{padding:17px}.guide-grid,.speaker-grid{gap:9px}.mini-card{padding:13px}.hero h2{font-size:24px}}
@media (min-width:760px){.page{background:linear-gradient(180deg,#034fc9 0,#0a79ed 300px,#eff6ff 300px)}.hero{padding-top:45px}.content{margin-top:-24px}}

/* 图片直播页严格延续首页蓝色科技与青色发光玻璃质感 */
.page{position:relative;isolation:isolate;background:#045bd8 url('./assets/home-poster.png') center top/cover fixed no-repeat;color:#fff}.page:before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,47,166,.24),rgba(0,69,190,.66));backdrop-filter:blur(1px)}
.topbar{height:60px;background:linear-gradient(90deg,rgba(0,45,157,.94),rgba(0,104,221,.88));border-bottom:1px solid #68efff;box-shadow:0 3px 17px #001f7b88}.back{border:1px solid #78f5ff;background:linear-gradient(145deg,#22c4ef88,#004fc9bb);box-shadow:0 0 13px #54edff88}.hero{text-shadow:0 3px 8px #003087}.hero .eyebrow{color:#baf8ff;opacity:1}.hero p{color:#ddf9ff;opacity:1}
.card{position:relative;overflow:hidden;color:#fff;background:linear-gradient(145deg,rgba(25,169,255,.83),rgba(0,63,183,.9));border:2px solid #67f1ff;border-radius:22px;box-shadow:inset 0 0 24px #51e8ff2e,0 0 18px #42e9ff88,0 13px 34px #001b705e;backdrop-filter:blur(12px)}.card:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.27),transparent 16%,transparent 80%,rgba(81,255,247,.18))}.card>*{position:relative;z-index:1}.card h3{color:#fff;text-shadow:0 2px 5px #00347f}.empty{color:#d8f7ff}.gallery-item{color:#fff;text-decoration:none}.gallery-grid img{border:1.5px solid #69f3ff;background:#075dc7;box-shadow:0 0 13px #45eaff77}.gallery-item span{color:#fff}
.toast{background:#002571ee;border:1px solid #6df5ff;box-shadow:0 0 16px #4befff88}
@media (min-width:760px){.page{background-color:#005ad6;background-size:min(750px,100%) auto;background-repeat:no-repeat}.hero{padding-top:45px}}