.live-hero { grid-template-columns: .95fr 1.05fr; gap: 54px; align-items: center; }
.live-hero .hero-description { max-width: 440px; }
.live-scene { position: relative; min-width: 0; min-height: 490px; padding-top: 42px; }
.scene-label { display: flex; justify-content: space-between; gap: 12px; font-size: 10px; color: var(--muted); position: absolute; inset: 0 0 auto; }
.scene-label span:last-child { border: 1px solid var(--line); border-radius: 20px; padding: 2px 8px; white-space: nowrap; }
.meeting-window { width: 88%; background: #f3e2c5; color: #422716; border: 1px solid #e0c79f; border-radius: 13px; padding: 17px; min-height: 320px; }
.meeting-title, .meeting-title > span:first-child { display: flex; align-items: center; justify-content: space-between; gap: 7px; font-size: 10px; }
.meeting-title i { width: 6px; height: 6px; border-radius: 50%; background: #7dceab; }
.meeting-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0 13px; }
.meeting-person { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 12px; min-height: 124px; border-radius: 8px; background: #e8cca0; font-size: 10px; }
.meeting-self { background: #e9dbc3; }
.person-avatar { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: #cda46c; color: #59391f; font-size: 20px; }
.meeting-self .person-avatar { background: #c7b494; }
.meeting-caption { font-size: 11px; line-height: 1.8; max-width: 235px; }
.meeting-toolbar { display: flex; gap: 14px; align-items: center; margin-top: 22px; font-size: 8px; color: #846b4d; }
.meeting-end { margin-left: auto; background: #a4653e; color: #fff; padding: 4px 10px; border-radius: 5px; }
.assist-window { background: #fff; color: #242529; border: 1px solid #d7dce5; border-radius: 12px; box-shadow: 0 17px 40px #26314721; overflow: hidden; font-family: "Microsoft YaHei UI","PingFang SC",sans-serif; }
.hero-assist { position: absolute; width: 69%; right: 0; top: 155px; }
.assist-title { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-bottom: 1px solid #edf0f4; font-size: 10px; }
.assist-title > span:last-child { color: #797b82; }
.assist-status { display: flex; align-items: center; gap: 6px; padding: 10px 14px; color: #797b82; font-size: 9px; }
.listening-dot { width: 5px; height: 5px; background: #4e9b71; border-radius: 50%; }
.assist-mode { margin-left: auto; color: #41699e; }
.assist-messages { padding: 2px 13px 14px; }
.assist-question, .assist-answer { border-radius: 11px; padding: 12px 13px; font-size: 11px; line-height: 1.9; }
.assist-question { background: #edf1f7; margin-right: 24px; }
.assist-answer { background: #eaf2ff; margin: 12px 0 0 18px; }
.assist-messages small { display: block; color: #6c7c92; font-size: 8px; margin-bottom: 5px; }
.assist-messages p + p { margin-top: 8px; }
.assist-tools { display: flex; justify-content: space-between; gap: 8px; border-top: 1px solid #edf0f4; padding: 10px 13px; color: #797b82; font-size: 8px; }
.assist-tools kbd { border: 1px solid #d7dce5; border-radius: 3px; padding: 0 3px; font-size: 8px; }
.scene-callout { position: absolute; bottom: 0; left: 0; font-size: 10px; line-height: 1.8; color: var(--muted); max-width: 32%; }
.scene-callout > span { display: block; font-size: 24px; color: var(--accent); }
.live-demo-section { padding-top: 72px; padding-bottom: 72px; scroll-margin-top: 100px; }
.live-demo-section .section-heading { align-items: end; gap: 28px; }
.live-demo-section h2, .platform-heading h2 { font-size: clamp(30px, 3.5vw, 47px); }
.demo-shell { border: 1px solid var(--line); border-radius: 16px; background: #fffaf1; margin-top: 30px; overflow: hidden; }
.demo-switches { display: flex; align-items: center; gap: 10px; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.demo-switches button { border: 1px solid transparent; background: transparent; border-radius: 7px; font-size: 12px; padding: 9px 16px; }
.demo-switches button[aria-selected="true"] { background: #422716; color: #fff8ec; }
.demo-example-label { margin-left: auto; color: var(--muted); font-size: 10px; }
.demo-stage { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; padding: 38px; align-items: center; }
.demo-narrative { min-width: 0; }
.demo-scene-number { display: block; color: var(--accent); font-size: 13px; margin-bottom: 15px; }
.demo-narrative h3 { font-size: 25px; line-height: 1.5; max-width: 320px; }
.demo-narrative > p { font-size: 13px; line-height: 1.9; color: var(--muted); margin-top: 15px; }
.demo-steps { list-style: none; padding: 0; margin: 25px 0; display: grid; gap: 11px; font-size: 12px; color: var(--muted); }
.demo-steps li { display: flex; align-items: center; gap: 12px; }
.demo-steps b { font-weight: 400; border: 1px solid var(--line); border-radius: 50%; width: 28px; height: 28px; display: grid; place-items: center; font-size: 10px; }
.demo-steps .is-current { color: var(--ink); }
.demo-steps .is-current b { background: #f7dda7; border-color: #d7b889; }
.demo-desktop { min-width: 0; position: relative; }
.demo-assist { max-width: 410px; margin: 0 auto; }
.demo-assist .assist-title { font-size: 12px; }
.demo-assist .assist-status { font-size: 10px; }
.demo-messages { height: 280px; overflow: auto; scrollbar-width: thin; }
.demo-messages .assist-question, .demo-messages .assist-answer { font-size: 13px; }
.demo-messages small { font-size: 10px; }
.demo-messages pre { max-width: 100%; padding: 12px; background: #f2f6fc; color: #324963; font: 10px/1.8 Consolas, monospace; border-radius: 7px; margin: 10px 0 0; overflow: auto; }
.demo-bottom-note { border-top: 1px solid var(--line); padding: 15px 24px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 10px; color: var(--muted); line-height: 1.8; }
.demo-bottom-note .text-link { font-size: 10px; flex-shrink: 0; }
.demo-phone { position: absolute; right: 9px; bottom: 18px; width: 166px; min-height: 268px; padding: 18px 12px; background: #fff; border: 5px solid #363d48; border-radius: 23px; box-shadow: 0 8px 24px #26314722; color: #242529; }
.demo-phone[hidden], .demo-messages pre[hidden] { display: none; }
.phone-speaker { display: block; width: 39px; height: 4px; border-radius: 10px; background: #363d48; margin: -8px auto 16px; }
.phone-title { color: #41699e; font-size: 10px; margin-bottom: 10px; }
.phone-question { font-size: 9px; color: #797b82; line-height: 1.7; padding-bottom: 9px; border-bottom: 1px solid #e7e7ea; }
.phone-answer { font-size: 11px; line-height: 1.8; margin-top: 10px; overflow-wrap: anywhere; }
.demo-desktop.has-phone .demo-assist { margin-left: 0; width: 85%; }
.demo-desktop.has-phone .assist-answer { margin-right: 64px; }
.platform-section { padding: 55px 0 66px; background: #fff0d2; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.platform-heading { text-align: center; }
.platform-heading h2 { font-size: clamp(32px, 4vw, 54px); }
.platform-marquee { overflow: hidden; margin: 32px 0 24px; mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.platform-track { display: flex; width: max-content; animation: platform-drift 32s linear infinite; }
.platform-list { display: flex; gap: 16px; margin: 0; padding: 0 16px 0 0; list-style: none; }
.platform-item { display: flex; align-items: center; gap: 13px; width: 195px; min-height: 86px; border: 1px solid #ead8ba; border-radius: 12px; padding: 17px; background: #fffaf1; font-size: 13px; white-space: nowrap; }
.platform-item img { width: 38px; height: 38px; object-fit: contain; flex: 0 0 38px; }
@keyframes platform-drift { to { transform: translateX(-50%); } }
@media (max-width: 1150px) {
 .live-hero { gap: 30px; }
 .live-scene { min-height: 470px; }
 .hero-assist { width: 76%; top: 143px; }
 .scene-callout { font-size: 9px; max-width: 23%; }
 .demo-stage { gap: 28px; padding: 28px; }

}
@media (max-width: 900px) {
 .live-hero { grid-template-columns: 1fr; gap: 25px; }
 .live-hero .hero-copy { max-width: 650px; }
 .live-hero .hero-actions { flex-direction: row; align-items: center; }
 .live-scene { width: min(100%, 600px); margin: 8px auto 0; min-height: 490px; }
 .hero-assist { width: 65%; }
 .meeting-window { width: 85%; }
 .scene-callout { max-width: 30%; }
 .demo-stage { grid-template-columns: 1fr 1.25fr; gap: 22px; padding: 24px; }
 .demo-narrative h3 { font-size: 21px; }
 .demo-narrative > p { font-size: 12px; }
 .demo-messages .assist-question, .demo-messages .assist-answer { font-size: 11px; }
}
@media (max-width: 700px) {
 .live-hero { padding-bottom: 40px; }
 .live-scene { min-height: 520px; padding-top: 35px; }
 .meeting-window { width: 88%; padding: 13px; }
 .meeting-person { min-height: 112px; }
 .meeting-caption { max-width: 180px; font-size: 10px; }
 .hero-assist { width: 79%; top: 150px; }
 .hero-assist .assist-question, .hero-assist .assist-answer { font-size: 10px; }
 .scene-callout { max-width: 18%; font-size: 8px; }
 .scene-label { font-size: 9px; }
 .live-demo-section { padding-top: 45px; padding-bottom: 48px; }
 .live-demo-section .section-heading { align-items: start; flex-direction: column; gap: 16px; }
 .demo-switches { flex-wrap: wrap; padding: 14px; gap: 5px; }
 .demo-switches button { padding: 8px 12px; font-size: 11px; }
 .demo-example-label { width: 100%; margin: 8px 0 0; font-size: 9px; }
 .demo-stage { grid-template-columns: 1fr; padding: 20px; gap: 25px; }
 .demo-narrative h3 { max-width: none; font-size: 23px; }
 .demo-steps { display: flex; flex-wrap: wrap; gap: 8px 15px; margin: 20px 0; }
 .demo-steps li { gap: 6px; font-size: 10px; }
 .demo-steps b { width: 22px; height: 22px; font-size: 8px; }

 .demo-messages { height: 270px; }
 .demo-bottom-note { align-items: start; flex-direction: column; gap: 8px; padding: 15px 20px; }
 .demo-phone { width: 137px; right: 3px; padding: 18px 9px; }
 .phone-answer { font-size: 10px; }
 .demo-desktop.has-phone .assist-answer { margin-right: 42px; }
 .platform-section { padding: 40px 0; }
 .platform-heading h2 { font-size: 32px; }
 .platform-item { width: 174px; min-height: 76px; font-size: 12px; }
 .platform-item img { width: 32px; height: 32px; flex-basis: 32px; }
}
@media (max-width: 370px) {
 .live-scene { min-height: 550px; }
 .hero-assist { width: 84%; }
 .hero-assist .assist-messages { padding-left: 9px; padding-right: 9px; }
 .scene-callout { display: none; }
 .live-hero .hero-actions { flex-wrap: wrap; }
 .demo-stage { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
 .platform-track { animation: none; width: auto; }
 .platform-list { flex-wrap: wrap; justify-content: center; padding: 0; }
 .platform-list[aria-hidden="true"] { display: none; }
 .platform-marquee { mask-image: none; }
}