/* Shared visual layer; existing scene content and response logic stay in each page. */
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
body{background:#f2f6fb;color:#182f4d;padding:26px;align-items:center}
.phone{width:min(840px,100%);height:calc(100dvh - 52px);max-height:1100px;border:1px solid #dce5ef;border-radius:18px;background:#f8fafc;box-shadow:0 16px 60px -30px #163f7140}
.statusbar,.island{display:none}
.brand{background:white;color:#1c3554;padding:18px 28px 20px;border-bottom:1px solid #e5ecf4}
.brand::before,.brand::after{display:none}.brand-row{gap:10px}.brand-name{color:#35597f;font-size:13px}.brand-tag{color:#557da6;background:#edf4fb;font-size:10px;backdrop-filter:none}.logo-badge{display:none}
.site-logo{display:block;width:58px;height:40px;position:relative;overflow:hidden;border-radius:6px;flex-shrink:0;background:white}.site-logo img{position:absolute;width:145%;height:auto;max-width:none;left:-22%;top:-22%}
.catalog-back{font-size:11px;color:#627e9c;margin-left:auto;text-decoration:none;white-space:nowrap}.brand-tag{margin-left:12px}.agent-title{font-size:25px;letter-spacing:-.5px;margin-top:14px;font-weight:750;color:#183958}.agent-slogan{color:#6e8299;font-size:12px;opacity:1;margin-top:5px;flex-wrap:wrap;gap:10px}
.chat{padding:24px 32px;gap:20px;min-height:0;scrollbar-width:thin;scrollbar-color:#d9e3ef transparent}.msg{max-width:90%;flex-shrink:0}.msg.user{max-width:80%}.msg.ai .avatar{background:#e8f0fa;color:#225b96;box-shadow:none;width:33px;height:33px;border-radius:10px}.msg.user .avatar{box-shadow:none}.msg .bubble{font-size:14px;line-height:1.85;padding:14px 17px;border-radius:13px}.msg.ai .bubble{border-color:#e2e9f2;box-shadow:none}.msg.user .bubble{background:#1b579c;box-shadow:none;color:white}.card{border-color:#e2e9f2;border-radius:14px;box-shadow:0 4px 15px #26466704;padding:18px;margin-top:0;min-width:0}.card-title{font-size:15px}.card-sub{color:#6e829c}.quick-item{box-shadow:none;border-color:#e1e8f1;padding:12px}.quick-item .qt{font-size:13px}.quick-item .qa{color:#74869b}.inputbar{padding:14px 28px 16px;border-color:#e3eaf3}.input-row{border-radius:12px;background:#f7f9fc;padding:8px 8px 8px 14px}.input-box{min-width:0;font-size:14px}.send-btn{border-radius:9px;width:38px;height:38px;background:#19579c;box-shadow:none}.chip{font-size:12px;border-radius:7px;padding:7px 12px}.home-hint{color:#7e8ea3;font-size:10px}.demo-strip{padding:10px 28px;background:#f8fbff;font-size:11px;color:#708399;flex-wrap:wrap}.demo-strip button{min-height:30px;font-family:inherit}.demo-strip .demo-sample{background:#e7f0fb;color:#245f9e}.demo-dot{animation:none;background:#388993;box-shadow:none}.demo-result .demo-title{font-size:17px}.demo-result .demo-summary,.demo-result .demo-row,.demo-copybox{font-size:13px;line-height:1.85}.demo-result .demo-section-title{font-size:12px}.demo-action{font-family:inherit;font-size:12px;min-height:34px}.demo-action.primary{background:#215b9d}.demo-result .demo-key{width:78px}.demo-value{min-width:0;overflow-wrap:anywhere}.demo-metric strong{font-size:16px}.demo-metric span{font-size:11px}.roi-field{font-size:12px}.roi-field input{font-family:inherit;font-size:14px;min-width:0}.roi-output{font-size:12px}.demo-copybox{overflow-wrap:anywhere}.demo-toast{max-width:90%;white-space:normal;text-align:center}a:focus-visible,button:focus-visible,textarea:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid #63a3d5;outline-offset:3px}
@media(min-width:1000px){.phone{width:900px}.chat{padding-left:48px;padding-right:48px}.brand,.inputbar{padding-left:48px;padding-right:48px}.demo-strip{padding-left:48px;padding-right:48px}.demo-result{max-width:660px}}
@media(max-width:600px){body{padding:0;align-items:stretch}.phone{width:100%;height:100dvh;max-height:none;border:0;border-radius:0;box-shadow:none}.brand{padding:12px 17px 15px}.site-logo{width:48px;height:34px}.brand-name{font-size:12px}.brand-tag{font-size:9px;padding:3px 7px;margin-left:2px}.catalog-back{font-size:10px}.agent-title{font-size:22px;margin-top:10px}.agent-slogan{font-size:11px}.chat{padding:18px 14px;gap:16px}.msg{max-width:97%}.msg .bubble{font-size:13px;padding:11px 13px}.avatar{width:28px!important;height:28px!important}.msg{gap:7px}.card{padding:13px}.demo-strip{padding:8px 14px;gap:6px;font-size:10px}.demo-strip .demo-sample{padding:5px 7px}.demo-strip .demo-reset{padding:4px 6px}.inputbar{padding:11px 14px max(12px,env(safe-area-inset-bottom))}.demo-result .demo-title{font-size:15px}.demo-result .demo-summary,.demo-result .demo-row,.demo-copybox{font-size:12px}.demo-result .demo-key{width:66px}.demo-plan-grid{grid-template-columns:1fr}.demo-metric strong{font-size:14px}.demo-metric span{font-size:10px}}
@media(max-width:360px){.brand-name{display:none}.demo-strip>span:nth-child(2){flex:1;font-size:9px}.demo-strip .demo-sample{margin-left:0}.agent-slogan{gap:6px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}