:root{--navy:#172e52;--blue:#315fa9;--muted:#768399;--line:#e3e9f1;--pale:#f3f6fb;--orange:#c48b52}*{box-sizing:border-box}body{color:var(--navy);-webkit-font-smoothing:antialiased;background:#f3f6fb;margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif;font-size:14px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid #8baded}.site-header{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:86px;padding:0 max(5%,50vw - 595px);display:flex}.brand{letter-spacing:2px;align-items:center;gap:13px;font-size:18px;font-weight:700;display:flex}.brand-mark{background:var(--navy);color:#fff;border-radius:12px;place-items:center;width:44px;height:44px;display:grid}.brand-sub{letter-spacing:1.6px;color:#7a879a;margin-top:5px;font-size:8px;font-weight:400;display:block}.header-right{align-items:center;gap:28px;display:flex}.header-label{color:#7c8798;font-size:12px}.qr-trigger{color:var(--navy);background:#fff;border:1px solid #d9e2ee;border-radius:6px;align-items:center;gap:8px;padding:10px 15px;font-size:12px;display:flex}.qr-trigger:hover{background:#f0f5fd}.layout{grid-template-columns:370px 1fr;gap:52px;max-width:1190px;margin:48px auto 56px;padding:0 20px;display:grid}.introduction{padding:29px 0 0}.eyebrow{letter-spacing:2px;color:var(--blue);align-items:center;gap:8px;font-size:11px;font-weight:600;display:flex}.eyebrow>span{background:var(--orange);border-radius:50%;width:5px;height:5px}h1{letter-spacing:1px;margin:22px 0 9px;font-family:STSong,SimSun,serif;font-size:35px;font-weight:700;line-height:1.55}.conference-name{margin:0;font-family:STSong,SimSun,serif;font-size:24px;font-weight:500;line-height:1.7}.title-rule{background:var(--orange);width:38px;height:3px;margin:24px 0 20px}.intro-text{color:#75839a;font-size:13px;line-height:2.05}.neural-art{width:100%;height:300px;margin:0 0 6px}.meeting-meta{border-top:1px solid #dce4f0;border-bottom:1px solid #dce4f0;gap:17px;padding:21px 0;display:grid}.meeting-meta>div{align-items:center;gap:10px;font-size:12px;display:flex}.meeting-meta svg{color:#6c82a4}.meeting-meta span{color:#77879f}.meeting-meta b{margin-left:auto;font-weight:500}.registration-note{color:#526881;gap:12px;margin-top:28px;display:flex}.registration-note>svg{flex-shrink:0;margin-top:2px}.registration-note strong{font-size:13px;font-weight:600}.registration-note p{color:#7b8798;margin:10px 0 0;font-size:12px;line-height:1.9}.side-footer{color:#99a6b8;letter-spacing:1.5px;margin-top:42px;font-size:10px}.form-panel{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:0 37px 25px;overflow:hidden;box-shadow:0 10px 35px #23416c06}.panel-topline{color:#98a3b2;letter-spacing:1px;background:#fafbfd;border-bottom:1px solid #edf0f6;justify-content:space-between;margin:0 -37px;padding:15px 37px;font-size:9px;display:flex}.panel-topline span:last-child{letter-spacing:2px}.form-heading{justify-content:space-between;align-items:center;margin:28px 0 20px;display:flex}h2{letter-spacing:1px;margin:0;font-size:25px;font-weight:600}.form-heading p{color:#8390a3;margin:10px 0 0;font-size:12px}.form-symbol{color:#557caf;background:#f1f5fb;border-radius:50%;place-items:center;width:49px;height:49px;display:grid}.preview-notice{color:#977e53;background:#faf7f0;border:1px solid #eee6d9;border-radius:4px;margin-bottom:22px;padding:10px 12px;font-size:10px}.form-section-heading{align-items:center;gap:10px;margin:26px 0 19px;display:flex}.form-section-heading>span{color:#5f7fae;background:#eef3fb;border-radius:4px;place-items:center;width:25px;height:25px;font-family:monospace;font-size:10px;display:grid}.form-section-heading h3{margin:0;font-size:14px;font-weight:600}.form-section-heading small{color:#98a1af;margin-left:auto;font-size:10px}i{color:#b88b68;margin-left:3px;font-style:normal}.fields{grid-template-columns:1fr 1fr;gap:19px 18px;display:grid}.fields>label{font-size:12px;font-weight:500;display:block}.fields input:not([type=radio]),select{width:100%;height:43px;color:var(--navy);background:#fff;border:1px solid #dfe5ee;border-radius:5px;min-width:0;margin-top:10px;padding:0 13px;font-size:12px}.fields input::placeholder{color:#a2aab7;font-weight:400}select:disabled{color:#b2b9c5;background:#f8fafc}input:hover,select:hover{border-color:#aabedb}.full{grid-column:1/-1}fieldset{border:0;min-width:0;margin:0;padding:0}legend{margin:0;padding:0;font-size:12px;font-weight:500}.gender-options{align-items:center;gap:30px;height:43px;margin-top:10px;display:flex}.gender-options label{align-items:center;gap:8px;font-size:12px;display:flex}.gender-options input,.consent input{accent-color:var(--blue);width:16px;height:16px;margin:0}.region-fields{grid-template-columns:1fr 1fr;gap:18px;display:grid}.forum-heading{margin-bottom:10px}.section-description{color:#929cac;margin:0 0 17px;font-size:11px}.forum-grid{grid-template-columns:1fr 1fr;gap:10px 12px;display:grid}.forum-option{cursor:pointer;border:1px solid #e2e7ef;border-radius:5px;align-items:center;gap:10px;min-height:47px;padding:10px 13px;font-size:12px;transition:border-color .15s,background .15s;display:flex;position:relative}.forum-option:hover{background:#f7f9fd;border-color:#a6bbd8}.forum-option.selected{background:#f1f5fc;border-color:#668ac0}.forum-option input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.forum-option:has(input:focus-visible){outline-offset:2px;outline:3px solid #8baded}.forum-number{color:#96a6be;font-family:monospace;font-size:10px}.selected .forum-number{color:var(--blue)}.radio-visual{border:1px solid #d3dce8;border-radius:50%;flex-shrink:0;place-items:center;width:15px;height:15px;margin-left:auto;display:grid}.selected .radio-visual{background:var(--blue);border-color:var(--blue);color:#fff}.consent{color:#8691a1;border-top:1px solid #edf0f5;align-items:flex-start;gap:9px;margin-top:26px;padding-top:22px;font-size:10px;line-height:1.9;display:flex}.consent input{flex-shrink:0;margin-top:2px}.consent button{color:var(--blue);font:inherit;background:0 0;border:0;padding:0}.submit{background:var(--navy);color:#fff;letter-spacing:1px;border:0;border-radius:5px;justify-content:center;align-items:center;gap:15px;width:100%;min-height:47px;margin-top:21px;font-size:13px;display:flex}.submit:hover{background:#234878}.secure-note{color:#9aa5b4;justify-content:center;align-items:center;gap:6px;margin:15px 0 0;font-size:10px;display:flex}.error{color:#ad3d3d;background:#fff3f3;border:1px solid #f0d2d2;border-radius:5px;padding:12px;font-size:12px;line-height:1.8}.site-footer{color:#a0aab9;border-top:1px solid #e3e9f2;justify-content:center;gap:24px;margin:0 auto;padding:25px 25px 30px;font-size:10px;display:flex}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;background:#10244270;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{text-align:center;background:#fff;border-radius:13px;width:420px;max-width:100%;max-height:90dvh;padding:32px;position:relative;overflow:auto;box-shadow:0 20px 80px #142c4c30}.modal>svg{color:var(--blue);margin:auto auto 18px}.modal h2{font-size:22px}.modal p{color:#7e8b9c;font-size:12px;line-height:1.9}.modal img{max-width:100%;height:auto;margin:20px auto;display:block}.close{color:#8090a6;background:0 0;border:0;padding:8px;position:absolute;top:12px;right:12px}.download{color:var(--blue);background:#f0f5fc;border-radius:5px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:12px;display:flex}.privacy p{text-align:left}.muted{color:#97a2b2!important;font-size:11px!important}.success{text-align:center;padding:65px 0}.success-icon{color:#44886e;background:#edf6f2;border-radius:50%;place-items:center;width:80px;height:80px;margin:0 auto 28px;display:grid}.success .eyebrow{margin-bottom:15px;font-size:9px;display:block}.success h2{margin-bottom:18px}.success p{color:#7e8b9c;font-size:13px;line-height:2}.receipt{text-align:left;background:#f4f7fc;border:1px solid #e3ebf6;border-radius:6px;gap:12px;margin:30px 0;padding:25px;display:grid}.receipt span{color:#96a2b5;font-size:11px}.receipt strong{letter-spacing:1px;margin-bottom:12px;font-size:20px}.receipt b{font-weight:500}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=1000px){.introduction{align-self:start;position:sticky;top:25px}}@media (width<=1000px){.layout{grid-template-columns:300px 1fr;gap:25px;margin-top:30px}h1{font-size:29px}.conference-name{font-size:21px}.form-panel{padding-left:25px;padding-right:25px}.panel-topline{margin:0 -25px;padding-left:25px;padding-right:25px}.header-label{display:none}}@media (width<=760px){.site-header{height:72px;padding:0 20px}.brand{letter-spacing:1px;gap:10px;font-size:15px}.brand-mark{border-radius:9px;width:36px;height:36px}.brand-sub{letter-spacing:1px;font-size:6px}.qr-trigger{gap:5px;padding:9px;font-size:11px}.layout{max-width:620px;margin:0 auto 25px;padding:0 16px;display:block}.introduction{padding:30px 9px 25px;position:relative;overflow:hidden}.eyebrow{letter-spacing:1.5px;font-size:9px}h1{z-index:1;margin-top:17px;font-size:28px;line-height:1.55;position:relative}.conference-name{z-index:1;font-size:19px;line-height:1.65;position:relative}.title-rule{margin:17px 0}.intro-text{z-index:1;font-size:11px;line-height:1.9;position:relative}.neural-art{opacity:.3;width:260px;height:260px;position:absolute;top:44px;right:-66px}.meeting-meta{border:0;flex-wrap:wrap;gap:12px 22px;padding:13px 0 0;display:flex}.meeting-meta>div{gap:6px;font-size:10px}.meeting-meta b{margin-left:2px}.registration-note,.side-footer{display:none}.form-panel{border-radius:10px;padding:0 22px 24px}.panel-topline{margin:0 -22px;padding:13px 22px;font-size:8px}.form-heading{margin-top:24px}.form-heading h2{font-size:23px}.form-heading p{font-size:10px}.form-symbol{width:43px;height:43px}.preview-notice{padding:10px;font-size:9px}.fields{gap:18px 13px}.region-fields{gap:12px}.fields input:not([type=radio]),select{height:46px;padding:0 10px;font-size:14px}.fields>label,legend{font-size:12px}.gender-options{gap:23px;height:46px}.forum-grid{gap:10px}.forum-option{gap:8px;min-height:48px;padding:11px 10px;font-size:11px}.consent{font-size:10px;line-height:2}.secure-note{font-size:9px}.site-footer{text-align:center;font-size:9px;line-height:2.2;display:block}.site-footer span{display:block}.success{padding:40px 0}.receipt strong{font-size:17px}}@media (width<=360px){.region-fields,.fields{grid-template-columns:1fr}.full{grid-column:auto}.gender-options{margin-top:2px}.meeting-meta{gap:12px}.form-panel{padding-left:17px;padding-right:17px}.panel-topline{margin:0 -17px;padding-left:17px;padding-right:17px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.site-header,.introduction,.site-footer,.submit,.panel-topline{display:none}.layout{margin:0;display:block}.form-panel{box-shadow:none;border:0}.success{padding:20px}body{background:#fff}}