:root{
  --ink:#1c2030;--muted:#72788c;--line:#e4ecf8;--paper:#F6F9FF;--card:#fff;
  --primary:#0D67EF;--primary-dark:#084DB8;--primary-soft:#D0EAFF;--violet:#0D67EF;
  --cyan:#48bfd1;--cyan-soft:#e8f9fb;--green:#31b780;--green-soft:#e6f8f0;
  --orange:#ff9967;--orange-soft:#fff0e7;--blue:#4989f5;--blue-soft:#ebf3ff;
  --danger:#f05c6d;--shadow:0 20px 60px rgba(38,36,74,.15);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#F6F9FF;overflow:hidden}
button,input,textarea{font:inherit}
button{color:inherit}
.prototype-stage{position:relative;display:grid;grid-template-columns:minmax(240px,310px) minmax(410px,1fr) minmax(230px,290px);align-items:center;gap:clamp(20px,3vw,54px);height:100%;padding:18px clamp(20px,4vw,74px);overflow:hidden;background:
radial-gradient(circle at 16% 22%,rgba(13,103,239,.12),transparent 25%),radial-gradient(circle at 86% 80%,rgba(72,191,209,.10),transparent 26%),linear-gradient(135deg,#F6F9FF,#EAF3FF)}
.prototype-stage:before,.prototype-stage:after{content:"";position:absolute;border:1px solid rgba(112,87,232,.08);border-radius:50%;pointer-events:none}
.prototype-stage:before{width:420px;height:420px;left:-260px;bottom:-140px}.prototype-stage:after{width:320px;height:320px;right:-170px;top:-120px}
.panel-card{position:relative;z-index:2;background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:0 18px 50px rgba(52,49,83,.08);backdrop-filter:blur(18px)}
.brief-panel{padding:26px}.brand-lockup{display:flex;align-items:center;gap:11px;margin-bottom:34px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--primary),#9b8af2);color:white;font-weight:800;box-shadow:0 8px 20px rgba(112,87,232,.25)}.brand-lockup strong{display:block;font-size:16px}.brand-lockup small{display:block;color:var(--muted);font-size:10px;margin-top:2px;letter-spacing:.06em}.eyebrow{font-size:10px;letter-spacing:.13em;color:var(--primary);font-weight:800}.brief-panel h1{font-size:27px;line-height:1.22;margin:10px 0 12px;letter-spacing:-.03em}.brief-panel>p{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 24px}.group-label{display:block;font-size:10px;font-weight:700;color:#999eb0;margin-bottom:8px}.scenario-list{display:grid;gap:7px}.scenario{border:0;background:transparent;display:grid;grid-template-columns:28px 1fr 20px;align-items:center;text-align:left;gap:8px;padding:10px 11px;border-radius:13px;cursor:pointer;transition:.2s}.scenario b{font-size:10px;color:#a8acbb}.scenario span{font-size:12px;font-weight:650}.scenario i{font-style:normal;color:#a1a5b4}.scenario:hover,.scenario.active{background:white;box-shadow:0 8px 22px rgba(45,42,72,.08)}.scenario.active b,.scenario.active i{color:var(--primary)}.prototype-note{display:flex;align-items:center;gap:8px;margin-top:26px;padding-top:17px;border-top:1px solid rgba(141,141,164,.13);font-size:10px;color:#8b8fa1}.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(49,183,128,.11)}
.phone-zone{position:relative;z-index:3;display:grid;place-items:center;min-width:410px;height:100%}.phone-shadow{position:absolute;width:330px;height:60px;bottom:1%;border-radius:50%;background:rgba(49,45,80,.2);filter:blur(24px)}.phone-shell{position:relative;width:390px;height:min(844px,calc(100vh - 36px));min-height:680px;padding:10px;border-radius:48px;background:linear-gradient(145deg,#2c2c35,#09090d 70%);box-shadow:0 28px 80px rgba(24,21,50,.29),inset 0 0 0 1px rgba(255,255,255,.18)}.phone-screen{position:relative;width:100%;height:100%;overflow:hidden;border-radius:39px;background:var(--paper)}.phone-speaker{position:absolute;z-index:12;width:72px;height:22px;left:50%;top:13px;transform:translateX(-50%);border-radius:0 0 14px 14px;background:#0c0c10}.phone-camera{position:absolute;z-index:13;width:6px;height:6px;top:19px;left:calc(50% + 24px);border-radius:50%;background:#242a3e;box-shadow:inset 0 0 0 1px #445}.home-indicator{position:absolute;z-index:13;width:120px;height:4px;bottom:14px;left:50%;transform:translateX(-50%);border-radius:99px;background:rgba(18,18,25,.85)}
.status-bar{position:absolute;z-index:9;top:0;left:0;right:0;height:33px;padding:9px 20px 0 23px;display:flex;justify-content:space-between;align-items:flex-start;font-size:11px;font-weight:750;pointer-events:none}.status-icons{display:flex;align-items:center;gap:5px}.status-icons svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}.battery{display:block;width:19px;height:9px;border:1.4px solid currentColor;border-radius:2.5px;padding:1px;position:relative}.battery:after{content:"";position:absolute;right:-3px;top:2px;width:2px;height:4px;border-radius:0 1px 1px 0;background:currentColor}.battery i{display:block;height:100%;width:75%;background:currentColor;border-radius:1px}.screen-root{position:absolute;inset:33px 0 0;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;scrollbar-width:none}.screen-root::-webkit-scrollbar{display:none}.screen{min-height:100%;padding:8px 17px 94px}.screen.detail{padding-bottom:24px}.screen.with-bottom-action{padding-bottom:92px}.bottom-nav{position:absolute;z-index:8;left:8px;right:8px;bottom:8px;height:72px;border-radius:24px;background:rgba(255,255,255,.94);box-shadow:0 -7px 30px rgba(39,35,72,.08);backdrop-filter:blur(16px);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;padding:7px 7px 4px}.bottom-nav:empty{display:none}.nav-item{position:relative;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:58px;color:#a1a5b3;font-size:9px;cursor:pointer}.nav-item svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.nav-item.active{color:var(--primary);font-weight:700}.nav-item.agent{transform:translateY(-14px)}.nav-item.agent .nav-orb{display:grid;place-items:center;width:48px;height:48px;border-radius:17px;background:linear-gradient(145deg,#8d78ef,#6347dd);color:white;box-shadow:0 10px 20px rgba(103,74,222,.32);border:4px solid #faf9fd}.nav-item.agent svg{width:23px;height:23px;fill:currentColor;stroke:none}.nav-item.agent span:last-child{margin-top:-2px}.nav-dot{position:absolute;top:6px;right:16px;width:6px;height:6px;background:var(--danger);border:2px solid white;border-radius:50%}
.page-head{display:flex;align-items:center;justify-content:space-between;min-height:42px;margin-bottom:12px}.page-head .title-wrap small{display:block;font-size:10px;color:var(--muted);margin-bottom:2px}.page-head h2{font-size:20px;margin:0;letter-spacing:-.03em}.page-head h3{font-size:17px;margin:0}.head-actions{display:flex;gap:8px}.icon-btn{border:0;background:white;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;box-shadow:0 5px 18px rgba(46,42,77,.06);cursor:pointer;position:relative}.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.icon-btn .badge{position:absolute;right:-3px;top:-3px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--danger);color:white;font-size:8px;display:grid;place-items:center;border:2px solid var(--paper)}.back-btn{border:0;background:#fff;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;box-shadow:0 4px 14px rgba(42,37,72,.07);cursor:pointer}.back-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.app-bar{display:grid;grid-template-columns:38px 1fr 38px;align-items:center;gap:7px;min-height:44px;margin-bottom:12px}.app-bar h2{font-size:17px;margin:0;text-align:center}.app-bar .icon-btn{width:34px;height:34px;box-shadow:none;background:transparent}
.hero{position:relative;border-radius:25px;padding:20px;overflow:hidden}.home-hero{background:linear-gradient(135deg,#6952dd,#8d78ef);color:white;box-shadow:0 16px 35px rgba(105,82,221,.24)}.home-hero:after{content:"";position:absolute;width:160px;height:160px;right:-52px;top:-58px;border-radius:50%;border:28px solid rgba(255,255,255,.08)}.hero .mini-label{font-size:10px;opacity:.76}.hero h3{font-size:22px;line-height:1.2;margin:5px 0 8px}.hero p{font-size:11px;line-height:1.55;margin:0;opacity:.82;max-width:220px}.hero-row{display:flex;justify-content:space-between;align-items:flex-end}.hero-number{font-size:35px;font-weight:780;letter-spacing:-.05em}.hero-number small{font-size:12px;font-weight:500;opacity:.7}.hero-btn{border:0;border-radius:13px;padding:10px 13px;background:white;color:var(--primary-dark);font-size:10px;font-weight:750;cursor:pointer}.hero-btn svg{width:12px;height:12px;fill:currentColor;vertical-align:-2px;margin-right:4px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:18px 2px 10px}.section-title h3{font-size:14px;margin:0}.section-title button,.text-link{border:0;background:transparent;color:var(--primary);font-size:10px;cursor:pointer}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.quick-action{border:0;background:white;border-radius:17px;padding:11px 5px 10px;display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0;cursor:pointer;box-shadow:0 5px 18px rgba(47,43,73,.045)}.quick-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:13px}.quick-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.quick-action span:last-child{font-size:9px;white-space:nowrap}.violet{background:var(--primary-soft);color:var(--primary)}.orange{background:var(--orange-soft);color:var(--orange)}.cyan{background:var(--cyan-soft);color:#1aa7bb}.blue{background:var(--blue-soft);color:var(--blue)}.green{background:var(--green-soft);color:var(--green)}
.device-stack{display:grid;gap:9px}.device-card{border:0;width:100%;background:white;border-radius:20px;padding:13px;display:grid;grid-template-columns:48px 1fr auto;gap:11px;align-items:center;text-align:left;cursor:pointer;box-shadow:0 5px 18px rgba(45,42,70,.05)}.device-visual{width:48px;height:48px;border-radius:16px;display:grid;place-items:center}.device-visual svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.device-info strong{display:block;font-size:12px}.device-info small{display:block;margin-top:4px;font-size:9px;color:var(--muted)}.status-pill{display:inline-flex;align-items:center;gap:5px;font-size:8px;color:var(--green);margin-top:4px}.status-pill:before{content:"";width:5px;height:5px;background:currentColor;border-radius:50%}.device-meta{text-align:right}.device-meta strong{display:block;font-size:12px}.device-meta small{font-size:8px;color:var(--muted)}.chev{width:15px;height:15px;fill:none;stroke:#a4a8b5;stroke-width:2}
.task-card{display:flex;align-items:center;gap:10px;background:white;padding:12px;border-radius:17px}.task-icon{width:34px;height:34px;border-radius:12px;display:grid;place-items:center}.task-icon svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2}.task-copy{flex:1}.task-copy strong{font-size:10px;display:block}.task-copy small{font-size:8px;color:var(--muted)}.mini-progress{height:4px;background:#ececf3;border-radius:99px;margin-top:6px;overflow:hidden}.mini-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#a28ff3)}.task-state{font-size:8px;color:var(--green);align-self:flex-start;margin-top:4px}
.search-box{display:flex;align-items:center;gap:8px;background:white;border:1px solid #eeedf4;border-radius:14px;padding:10px 12px;margin-bottom:12px}.search-box svg{width:16px;height:16px;fill:none;stroke:#959aab;stroke-width:2}.search-box input{border:0;outline:0;width:100%;background:transparent;font-size:11px}.filter-row,.chip-row{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;margin-bottom:12px}.chip{flex:0 0 auto;border:0;border-radius:99px;background:white;color:var(--muted);padding:7px 11px;font-size:9px;cursor:pointer}.chip.active{background:var(--ink);color:white}.large-device-card{position:relative;border:0;width:100%;border-radius:23px;background:white;padding:16px;margin-bottom:11px;text-align:left;cursor:pointer;box-shadow:0 6px 20px rgba(48,43,78,.05);overflow:hidden}.large-device-card:after{content:"";position:absolute;width:110px;height:110px;right:-35px;top:-45px;border-radius:50%;background:var(--primary-soft)}.large-device-card.nas-card:after{background:var(--cyan-soft)}.large-device-top{display:flex;justify-content:space-between;position:relative;z-index:1}.large-device-title{display:flex;gap:11px;align-items:center}.large-device-title .device-visual{width:53px;height:53px}.large-device-title strong{display:block;font-size:13px}.large-device-title small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.device-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;border-top:1px solid #f0eff5;margin-top:13px;padding-top:11px;position:relative;z-index:1}.device-stats div{font-size:8px;color:var(--muted)}.device-stats strong{font-size:11px;color:var(--ink);display:block;margin-top:3px}.online-tag{height:20px;border-radius:99px;padding:0 8px;display:flex;align-items:center;gap:4px;background:var(--green-soft);color:var(--green);font-size:8px}.online-tag:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.device-detail-hero{border-radius:24px;padding:18px;background:linear-gradient(145deg,#302b46,#51466f);color:white;box-shadow:0 15px 30px rgba(43,36,72,.19)}.device-detail-hero.nas-hero{background:linear-gradient(145deg,#174f5a,#238395)}.detail-device-row{display:flex;align-items:center;gap:13px}.device-art{width:64px;height:64px;border-radius:20px;background:rgba(255,255,255,.13);display:grid;place-items:center}.device-art svg{width:36px;height:36px;fill:none;stroke:white;stroke-width:1.5}.detail-copy{flex:1}.detail-copy .online-tag{display:inline-flex;background:rgba(67,220,163,.16);color:#7ce2b7;margin-bottom:6px}.detail-copy h3{margin:0 0 3px;font-size:17px}.detail-copy p{margin:0;font-size:9px;opacity:.64}.hero-dots{display:flex;gap:4px;margin-top:12px}.hero-dots span{height:5px;border-radius:99px;background:rgba(255,255,255,.18);flex:1}.hero-dots span:first-child{background:#7ce2b7}.hero-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:15px;padding-top:13px;border-top:1px solid rgba(255,255,255,.12)}.hero-stat-grid span{font-size:8px;opacity:.6}.hero-stat-grid strong{display:block;margin-top:3px;font-size:12px}.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.action-card{border:0;background:white;border-radius:18px;padding:12px 6px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;box-shadow:0 5px 18px rgba(44,40,69,.05)}.action-card .quick-icon{width:40px;height:40px}.action-card strong{font-size:9px}.action-card small{font-size:7px;color:var(--muted);margin-top:-5px}.info-list{background:white;border-radius:19px;overflow:hidden}.info-row{display:flex;align-items:center;gap:11px;padding:13px 14px;border-bottom:1px solid #f2f1f6}.info-row:last-child{border-bottom:0}.info-row .mini-icon{width:32px;height:32px;border-radius:11px;display:grid;place-items:center}.info-row svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8}.info-row div:nth-child(2){flex:1}.info-row strong{font-size:10px;display:block}.info-row small{font-size:8px;color:var(--muted)}
.stepper{display:flex;align-items:center;justify-content:center;margin:4px 0 18px}.step{display:flex;align-items:center;color:#b4b7c2;font-size:8px}.step i{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e9e9ef;font-style:normal;margin-right:4px}.step.active{color:var(--primary);font-weight:700}.step.active i{background:var(--primary);color:white}.step-line{width:28px;height:1px;background:#dddde7;margin:0 5px}.upload-stage{border:1.5px dashed #d7d3ed;border-radius:23px;background:white;padding:12px;min-height:260px;display:grid;place-items:center;position:relative;overflow:hidden}.photo-preview{width:100%;height:236px;border-radius:17px;position:relative;overflow:hidden;background:linear-gradient(150deg,#5a486f,#d9a989 47%,#f5d7b9)}.photo-preview:before{content:"";position:absolute;width:120px;height:120px;border-radius:50% 50% 44% 44%;background:#1f2431;left:50%;top:28px;transform:translateX(-50%)}.photo-preview:after{content:"☺";position:absolute;width:78px;height:96px;border-radius:42% 42% 46% 46%;background:#f3c9a6;left:50%;top:49px;transform:translateX(-50%);display:grid;place-items:center;color:#614b44;font-size:29px}.preview-caption{position:absolute;left:14px;right:14px;bottom:12px;border-radius:13px;background:rgba(24,21,35,.68);backdrop-filter:blur(9px);color:white;padding:9px 11px;display:flex;justify-content:space-between;align-items:center;font-size:9px}.style-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.style-card{border:2px solid transparent;border-radius:16px;background:white;padding:6px;text-align:center;cursor:pointer}.style-card.active{border-color:var(--primary);box-shadow:0 5px 18px rgba(112,87,232,.14)}.style-thumb{height:61px;border-radius:11px;background:linear-gradient(135deg,#dac2aa,#6f6078);display:grid;place-items:center;color:white;font-size:22px}.style-card:nth-child(2) .style-thumb{background:linear-gradient(135deg,#8872d3,#ffb277)}.style-card:nth-child(3) .style-thumb{background:#f8f8f5;color:#2b2b31;border:1px solid #ddd}.style-card span{display:block;font-size:8px;margin-top:5px}.param-card{background:white;border-radius:18px;padding:13px}.param-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0}.param-row+.param-row{border-top:1px solid #f1f0f5}.param-row span{font-size:10px}.segmented{display:flex;background:#f2f1f6;border-radius:10px;padding:3px}.segmented button{border:0;background:transparent;border-radius:8px;padding:5px 8px;font-size:8px;color:var(--muted);cursor:pointer}.segmented button.active{background:white;color:var(--primary);box-shadow:0 2px 7px rgba(38,34,63,.08)}.qty{display:flex;align-items:center;gap:9px}.qty button{border:0;background:#f1effb;color:var(--primary);width:23px;height:23px;border-radius:8px;cursor:pointer}.qty strong{font-size:11px}.bottom-action{position:absolute;z-index:7;left:13px;right:13px;bottom:13px;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);padding:8px;border-radius:18px;box-shadow:0 -8px 30px rgba(36,32,65,.09);display:flex;align-items:center;gap:8px}.primary-btn{border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary),#8a75ef);color:white;font-size:11px;font-weight:750;padding:13px 17px;cursor:pointer;box-shadow:0 8px 18px rgba(112,87,232,.22);flex:1}.secondary-btn{border:0;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:700;padding:13px 17px;cursor:pointer}.bottom-action .price{padding-left:8px;min-width:82px}.bottom-action .price small{display:block;font-size:8px;color:var(--muted)}.bottom-action .price strong{font-size:15px}.success-wrap{min-height:570px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}.success-orb{width:90px;height:90px;border-radius:31px;background:linear-gradient(145deg,#dff8ed,#bcebd6);display:grid;place-items:center;color:var(--green);box-shadow:0 18px 35px rgba(49,183,128,.17);position:relative}.success-orb:after{content:"";position:absolute;inset:-12px;border:1px solid rgba(49,183,128,.2);border-radius:39px}.success-orb svg{width:43px;height:43px;fill:none;stroke:currentColor;stroke-width:2.5}.success-wrap h2{font-size:22px;margin:28px 0 7px}.success-wrap p{font-size:10px;color:var(--muted);line-height:1.6;margin:0 0 24px}.success-actions{display:flex;width:100%;gap:8px}.success-meta{display:flex;gap:20px;margin-bottom:26px}.success-meta div{font-size:8px;color:var(--muted)}.success-meta strong{display:block;color:var(--ink);font-size:11px;margin-top:3px}
.voice-panel{text-align:center;padding-top:34px}.wave-orb{margin:20px auto 30px;width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,var(--primary-soft) 0 35%,rgba(112,87,232,.13) 36% 49%,rgba(112,87,232,.07) 50% 64%,transparent 65%);position:relative}.wave-orb button{width:74px;height:74px;border:0;border-radius:50%;background:linear-gradient(145deg,var(--primary),#907bf0);color:white;display:grid;place-items:center;box-shadow:0 12px 28px rgba(112,87,232,.28);cursor:pointer}.wave-orb button.listening{animation:pulse 1.2s infinite}.wave-orb svg{width:30px;height:30px;fill:none;stroke:white;stroke-width:1.8}.voice-panel h3{font-size:18px;margin:0 0 7px}.voice-panel p{font-size:10px;color:var(--muted);margin:0}.transcript-card{margin-top:28px;background:white;border-radius:20px;padding:15px;text-align:left}.transcript-card small{font-size:8px;color:var(--primary);font-weight:700}.transcript-card p{font-size:12px;color:var(--ink);line-height:1.6;margin:7px 0 0}.ai-preview{margin-top:12px;background:white;border-radius:20px;padding:12px}.line-art{height:184px;border:1px solid #dadbe0;border-radius:15px;background:repeating-radial-gradient(circle at 50% 44%,transparent 0 12px,#333 13px 14px,transparent 15px 25px);display:grid;place-items:end center;padding:12px;font-weight:800;font-size:12px;color:#333}@keyframes pulse{50%{transform:scale(1.08);box-shadow:0 12px 34px rgba(112,87,232,.5)}}
.material-grid,.album-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.material-card{border:0;background:white;border-radius:18px;padding:8px;text-align:left;cursor:pointer}.material-art{height:105px;border-radius:13px;display:grid;place-items:center;font-size:38px;background:linear-gradient(145deg,#fff4d7,#ffd7b5)}.material-card:nth-child(2n) .material-art{background:linear-gradient(145deg,#e8f7ff,#cde7ff)}.material-card:nth-child(3n) .material-art{background:linear-gradient(145deg,#f3eaff,#e1d4ff)}.material-meta{padding:8px 3px 3px}.material-meta strong{font-size:10px;display:block}.material-meta span{font-size:8px;color:var(--muted)}.tag{display:inline-flex;padding:3px 6px;border-radius:99px;font-size:7px;background:var(--primary-soft);color:var(--primary)}.editor-card{background:white;border-radius:20px;padding:14px}.editor-toolbar{display:flex;gap:6px;border-bottom:1px solid #eeeef3;padding-bottom:10px;margin-bottom:12px}.tool-button{border:0;width:29px;height:29px;border-radius:9px;background:#f2f1f6;font-size:11px;cursor:pointer}.editor-card textarea{width:100%;min-height:140px;border:0;outline:0;resize:none;font-size:13px;line-height:1.8}.checklist{display:grid;gap:7px}.check-item{display:flex;align-items:center;gap:8px;font-size:10px}.check-item i{width:16px;height:16px;border:1.5px solid #b9b5d8;border-radius:5px}.paper-preview{margin-top:12px;background:#fffdf6;border:1px solid #e8e2d4;border-radius:5px;padding:14px;box-shadow:0 8px 18px rgba(70,57,38,.08);font-family:monospace}.paper-preview strong{font-size:12px}.paper-preview p{font-size:9px;line-height:1.8;margin:8px 0 0;color:#555}
.nas-status{display:flex;align-items:center;gap:6px;margin-top:10px;font-size:8px;color:#9ee9de}.p2p-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border-radius:99px;background:rgba(143,232,218,.13)}.p2p-badge svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:2}.nas-app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.nas-app{border:0;background:white;border-radius:17px;padding:10px 4px 9px;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer}.nas-app .quick-icon{width:36px;height:36px}.nas-app span:last-child{font-size:8px;white-space:nowrap}.health-card{background:white;border-radius:20px;padding:14px}.health-head{display:flex;justify-content:space-between;align-items:center}.health-head strong{font-size:11px}.health-head span{font-size:8px;color:var(--green)}.health-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:13px}.health-grid div{text-align:center;border-right:1px solid #eeeef3}.health-grid div:last-child{border:0}.health-grid small{font-size:7px;color:var(--muted);display:block}.health-grid strong{font-size:12px;margin-top:3px;display:block}.file-summary{background:linear-gradient(135deg,#2c7f8d,#39aabc);color:white;border-radius:22px;padding:16px}.file-summary h3{font-size:16px;margin:0 0 4px}.file-summary p{font-size:8px;opacity:.72;margin:0}.storage-bar{height:7px;background:rgba(255,255,255,.2);border-radius:99px;margin:15px 0 7px;overflow:hidden}.storage-bar i{display:block;height:100%;width:42%;background:white;border-radius:99px}.storage-meta{display:flex;justify-content:space-between;font-size:8px;opacity:.8}.breadcrumb{display:flex;align-items:center;gap:4px;font-size:9px;color:var(--muted);margin:13px 2px 8px}.file-list{background:white;border-radius:19px;overflow:hidden}.file-row{display:grid;grid-template-columns:37px 1fr auto;gap:10px;align-items:center;padding:12px;border-bottom:1px solid #f1f1f5}.file-row:last-child{border:0}.file-type{width:37px;height:37px;border-radius:12px;display:grid;place-items:center}.file-type svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7}.file-row strong{font-size:10px;display:block}.file-row small{font-size:7px;color:var(--muted)}.file-row button{border:0;background:transparent;padding:3px}.file-row button svg{width:15px;height:15px;fill:none;stroke:#a4a7b5;stroke-width:2}.floating-btn{position:absolute;right:18px;bottom:20px;width:52px;height:52px;border:0;border-radius:18px;background:linear-gradient(145deg,var(--primary),#8e78ef);color:white;display:grid;place-items:center;box-shadow:0 12px 25px rgba(112,87,232,.27);cursor:pointer}.floating-btn svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2}.backup-hero{background:linear-gradient(145deg,#dff8f2,#f1fffb);border-radius:24px;padding:18px;text-align:center}.backup-cloud{width:76px;height:76px;margin:0 auto 10px;border-radius:25px;background:white;color:var(--green);display:grid;place-items:center;box-shadow:0 12px 25px rgba(49,183,128,.12)}.backup-cloud svg{width:37px;height:37px;fill:none;stroke:currentColor;stroke-width:1.6}.backup-hero h3{font-size:16px;margin:0 0 4px}.backup-hero p{font-size:8px;color:var(--muted)}.toggle{width:40px;height:23px;border:0;border-radius:99px;background:#d9d9e2;padding:3px;cursor:pointer;transition:.2s}.toggle i{display:block;width:17px;height:17px;border-radius:50%;background:white;box-shadow:0 2px 5px rgba(0,0,0,.16);transition:.2s}.toggle.on{background:var(--green)}.toggle.on i{transform:translateX(17px)}.photo-tile{height:120px;border-radius:16px;position:relative;overflow:hidden;background:linear-gradient(145deg,#8bb9cf,#e5c6a2)}.photo-tile:nth-child(2){background:linear-gradient(145deg,#9cc885,#f2d584)}.photo-tile:nth-child(3){background:linear-gradient(145deg,#ab8fc5,#ffd1bb)}.photo-tile:nth-child(4){background:linear-gradient(145deg,#7fc2c0,#b9dba8)}.photo-tile:after{content:attr(data-label);position:absolute;bottom:7px;left:8px;color:white;font-size:8px;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.chat-screen{padding-left:13px;padding-right:13px}.agent-head{background:linear-gradient(135deg,#6a52df,#9a86f3);margin:-8px -13px 0;padding:13px 17px 19px;color:white;border-radius:0 0 28px 28px}.agent-head .page-head{margin:0}.agent-title{display:flex;gap:10px;align-items:center}.agent-avatar{width:38px;height:38px;border-radius:14px;background:rgba(255,255,255,.17);display:grid;place-items:center}.agent-avatar svg{width:23px;height:23px;fill:white}.agent-title h2{font-size:15px}.agent-title small{color:rgba(255,255,255,.68)}.chat-area{padding:14px 2px 115px;display:grid;gap:11px}.message{max-width:86%;font-size:10px;line-height:1.55;padding:11px 12px;border-radius:16px}.message.bot{background:white;border-top-left-radius:5px;justify-self:start}.message.user{background:var(--primary);color:white;border-top-right-radius:5px;justify-self:end}.agent-action-card{background:white;border-radius:18px;padding:12px;box-shadow:0 7px 18px rgba(48,43,76,.05)}.agent-action-card .action-head{display:flex;gap:9px;align-items:center}.agent-action-card .quick-icon{width:34px;height:34px}.agent-action-card strong{font-size:10px}.agent-action-card small{display:block;font-size:8px;color:var(--muted);margin-top:2px}.action-buttons{display:flex;gap:7px;margin-top:10px}.action-buttons button{border:0;border-radius:10px;padding:8px 11px;font-size:8px;cursor:pointer}.action-buttons .confirm{background:var(--primary);color:white}.action-buttons .cancel{background:#f0eff4;color:var(--muted)}.suggestions{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none}.suggestions button{flex:0 0 auto;border:1px solid #e5e1fa;background:white;border-radius:99px;padding:7px 10px;color:var(--primary);font-size:8px;cursor:pointer}.chat-input{position:absolute;z-index:7;left:11px;right:11px;bottom:11px;padding:8px;background:rgba(255,255,255,.97);border-radius:20px;box-shadow:0 -8px 28px rgba(41,36,72,.08);display:flex;align-items:center;gap:7px}.chat-input input{flex:1;border:0;background:#f3f2f7;border-radius:13px;padding:10px 11px;outline:0;font-size:10px}.chat-input button{border:0;width:35px;height:35px;border-radius:12px;display:grid;place-items:center;cursor:pointer}.chat-input .mic-btn{background:var(--primary-soft);color:var(--primary)}.chat-input .send-btn{background:var(--primary);color:white}.chat-input svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2}
.clip-hero{background:linear-gradient(135deg,#32284e,#7557d4);border-radius:24px;color:white;padding:18px;position:relative;overflow:hidden}.clip-hero:after{content:"▶";position:absolute;right:18px;top:13px;font-size:60px;color:rgba(255,255,255,.08)}.clip-hero small{font-size:8px;opacity:.7}.clip-hero h3{font-size:18px;margin:5px 0}.clip-hero p{font-size:9px;line-height:1.5;opacity:.72;margin:0;max-width:230px}.source-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.source-thumb{height:62px;border-radius:12px;background:linear-gradient(145deg,#88b4ce,#e9c58f);position:relative}.source-thumb:nth-child(2){background:linear-gradient(145deg,#9fcf86,#f2c582)}.source-thumb:nth-child(3){background:linear-gradient(145deg,#b195cf,#f4bab2)}.source-thumb:nth-child(4){background:#eee;display:grid;place-items:center;color:var(--primary);font-size:22px}.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.mode-card{border:2px solid transparent;background:white;border-radius:18px;padding:13px;cursor:pointer}.mode-card.active{border-color:var(--primary);box-shadow:0 8px 20px rgba(112,87,232,.12)}.mode-card .quick-icon{width:37px;height:37px}.mode-card strong{display:block;font-size:10px;margin:8px 0 3px}.mode-card p{font-size:7.5px;color:var(--muted);line-height:1.5;margin:0}.processing-wrap{text-align:center;padding:70px 18px 20px}.processing-orb{width:120px;height:120px;border-radius:40px;background:var(--primary-soft);margin:0 auto 26px;display:grid;place-items:center;position:relative}.processing-orb:before{content:"";position:absolute;width:92px;height:92px;border:3px solid rgba(112,87,232,.13);border-top-color:var(--primary);border-radius:50%;animation:spin 1.2s linear infinite}.processing-orb svg{width:43px;height:43px;fill:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.processing-wrap h2{font-size:20px;margin:0 0 7px}.processing-wrap p{font-size:9px;color:var(--muted);line-height:1.6}.progress-wide{height:6px;border-radius:99px;background:#e9e7f3;margin:22px 0 8px;overflow:hidden}.progress-wide i{display:block;height:100%;width:68%;background:linear-gradient(90deg,var(--primary),#a790f6);border-radius:inherit;animation:progress 2.6s ease forwards}@keyframes progress{from{width:8%}to{width:100%}}.progress-labels{display:flex;justify-content:space-between;font-size:8px;color:var(--muted)}.video-cover{height:260px;border-radius:23px;background:linear-gradient(145deg,#4b405d,#e1aa87);display:grid;place-items:center;position:relative;overflow:hidden}.video-cover:after{content:"夏日家庭时光";position:absolute;left:18px;bottom:18px;color:white;font-weight:800;font-size:18px;text-shadow:0 2px 8px rgba(0,0,0,.4)}.video-cover button{width:58px;height:58px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:var(--primary);display:grid;place-items:center}.video-cover svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.6}
.promo-card{border-radius:24px;padding:18px;background:linear-gradient(135deg,#24203b,#6750ca);color:white;position:relative;overflow:hidden}.promo-card:after{content:"AI";position:absolute;right:-4px;bottom:-26px;font-size:100px;font-weight:900;color:rgba(255,255,255,.07)}.promo-card .tag{background:rgba(255,255,255,.14);color:white}.promo-card h3{font-size:20px;margin:10px 0 5px}.promo-card p{font-size:9px;opacity:.72;margin:0 0 15px}.promo-card button{border:0;border-radius:11px;background:white;color:var(--primary-dark);font-size:9px;font-weight:750;padding:9px 12px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.product-card{border:0;background:white;border-radius:20px;padding:13px;text-align:left;cursor:pointer}.product-icon{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px}.product-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8}.product-card strong{font-size:11px;display:block}.product-card p{font-size:7.5px;line-height:1.5;color:var(--muted);min-height:34px}.product-price{display:flex;align-items:center;justify-content:space-between}.product-price b{font-size:15px}.product-price b small{font-size:8px;font-weight:500}.product-price span{width:26px;height:26px;border-radius:9px;background:var(--primary);color:white;display:grid;place-items:center}.product-price svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}.plan-card{background:linear-gradient(135deg,#5e46c8,#8b76ec);color:white;border-radius:22px;padding:17px}.plan-top{display:flex;justify-content:space-between;align-items:center}.plan-top small{font-size:8px;opacity:.7}.plan-top .tag{background:rgba(255,255,255,.16);color:white}.plan-card h3{font-size:20px;margin:7px 0 14px}.quota-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.14);padding-top:12px}.quota-row div{font-size:7px;opacity:.7}.quota-row strong{display:block;font-size:11px;opacity:1;margin-top:3px}.profile-head{display:flex;align-items:center;gap:12px;margin:6px 2px 17px}.avatar{width:54px;height:54px;border-radius:19px;background:linear-gradient(145deg,#f3c5a8,#8a6b82);display:grid;place-items:center;color:white;font-size:21px;font-weight:800}.profile-copy{flex:1}.profile-copy h2{font-size:16px;margin:0 0 4px}.profile-copy p{font-size:8px;color:var(--muted);margin:0}.profile-head .chev{width:17px;height:17px}.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);background:white;border-radius:20px;padding:12px 5px}.menu-item{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:8px;cursor:pointer}.menu-item .quick-icon{width:34px;height:34px}.setting-list{background:white;border-radius:20px;overflow:hidden}.setting-row{border:0;width:100%;background:white;display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:12px;text-align:left;border-bottom:1px solid #f1f0f5;cursor:pointer}.setting-row:last-child{border:0}.setting-row .quick-icon{width:32px;height:32px;border-radius:11px}.setting-row strong{font-size:10px}.setting-row small{font-size:7px;color:var(--muted);display:block;margin-top:2px}.setting-row .chev{width:14px;height:14px}
.login-screen{padding:36px 24px 20px;background:linear-gradient(180deg,#f1edff,#faf9fd 55%)}.login-brand{width:62px;height:62px;border-radius:22px;background:linear-gradient(145deg,var(--primary),#9884f1);color:white;display:grid;place-items:center;font-size:25px;font-weight:850;box-shadow:0 15px 28px rgba(112,87,232,.25);margin-bottom:26px}.login-screen h1{font-size:27px;margin:0 0 8px}.login-screen>p{font-size:10px;color:var(--muted);line-height:1.6;margin:0 0 29px}.field{display:flex;align-items:center;background:white;border:1px solid #eae7f5;border-radius:15px;min-height:48px;margin-bottom:10px;padding:0 13px}.field span{font-size:10px;padding-right:10px;border-right:1px solid #eee}.field input{border:0;outline:0;flex:1;padding-left:10px;font-size:11px}.code-btn{border:0;background:transparent;color:var(--primary);font-size:9px}.agreement{display:flex;align-items:flex-start;gap:7px;font-size:8px;color:var(--muted);line-height:1.5;margin:13px 0}.agreement i{width:14px;height:14px;border-radius:5px;background:var(--primary);display:grid;place-items:center;color:white;flex:0 0 auto}.agreement svg{width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:3}.third-party{text-align:center;margin-top:28px}.third-party small{font-size:8px;color:#a0a4b1}.login-options{display:flex;justify-content:center;gap:13px;margin-top:12px}.login-option{width:38px;height:38px;border:1px solid #e5e3ec;background:white;border-radius:13px;display:grid;place-items:center;font-size:12px;font-weight:800}.login-option.wx{color:#27ae60}.login-option.apple{color:#111}.login-option.google{color:#4285f4}
.sheet-backdrop{position:absolute;z-index:20;inset:0;background:rgba(22,20,35,.32);backdrop-filter:blur(2px);display:flex;align-items:flex-end}.sheet{width:100%;background:white;border-radius:26px 26px 0 0;padding:12px 17px 24px;box-shadow:0 -20px 50px rgba(25,21,49,.18);animation:rise .22s ease}.sheet-handle{width:38px;height:4px;border-radius:99px;background:#d7d7df;margin:0 auto 15px}.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.sheet-head h3{font-size:15px;margin:0}.sheet-head button{border:0;background:transparent;font-size:18px}.pay-row{display:flex;align-items:center;gap:11px;padding:12px 3px;border-bottom:1px solid #f0eff4;cursor:pointer}.pay-icon{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-weight:900;color:white}.pay-icon.wx{background:#24b967}.pay-icon.ali{background:#2688ee}.pay-icon.apple{background:#151515}.pay-icon.google{background:#fff;border:1px solid #e5e5ea;color:#4285f4}.pay-row div:nth-child(2){flex:1}.pay-row strong{font-size:10px}.pay-row small{display:block;font-size:7px;color:var(--muted);margin-top:2px}.radio{width:17px;height:17px;border:1.5px solid #c9c6d8;border-radius:50%}.pay-row.selected .radio{border:5px solid var(--primary)}@keyframes rise{from{transform:translateY(30px);opacity:0}}
.scan-panel{text-align:center;padding:24px 0}.scanner{width:190px;height:190px;border-radius:27px;background:#20202d;margin:0 auto 19px;position:relative;overflow:hidden;display:grid;place-items:center;color:rgba(255,255,255,.65)}.scanner:before,.scanner:after{content:"";position:absolute;inset:20px;border:2px solid transparent;border-top-color:#a895ff;border-left-color:#a895ff;border-radius:12px}.scanner:after{transform:rotate(180deg)}.scan-line{position:absolute;left:22px;right:22px;height:2px;background:#88f0d0;box-shadow:0 0 12px #88f0d0;animation:scan 2s infinite}.scanner svg{width:52px;height:52px;fill:none;stroke:rgba(255,255,255,.6);stroke-width:1.4}@keyframes scan{0%,100%{top:28px}50%{top:160px}}.found-device{background:white;border-radius:19px;padding:13px;display:flex;align-items:center;gap:11px;text-align:left;margin-top:16px}.found-device .device-visual{width:43px;height:43px}.found-device div:nth-child(2){flex:1}.found-device strong{font-size:10px}.found-device small{display:block;font-size:7px;color:var(--muted)}
.toast{position:absolute;z-index:30;left:50%;bottom:94px;transform:translate(-50%,18px);min-width:160px;max-width:280px;background:rgba(29,27,40,.9);color:white;border-radius:12px;padding:10px 14px;font-size:9px;text-align:center;opacity:0;pointer-events:none;transition:.24s}.toast.show{opacity:1;transform:translate(-50%,0)}
.coverage-panel{padding:23px}.coverage-head h2{font-size:18px;margin:7px 0 17px}.coverage-block{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid rgba(110,111,135,.1)}.coverage-icon{width:35px;height:35px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto}.coverage-icon svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8}.coverage-block strong{font-size:11px}.coverage-block p{font-size:8.5px;line-height:1.5;color:var(--muted);margin:3px 0 0}.legend{display:grid;gap:7px;margin-top:20px;padding-top:15px;border-top:1px solid rgba(110,111,135,.1);font-size:8px;color:var(--muted)}.legend div{display:flex;align-items:center;gap:7px}.legend-dot{width:7px;height:7px;border-radius:50%}.legend-dot.primary{background:var(--primary)}.legend-dot.healthy{background:var(--green)}.legend-dot.warning{background:var(--orange)}
.empty-state{text-align:center;padding:45px 20px}.empty-state .quick-icon{margin:0 auto 13px;width:54px;height:54px}.empty-state h3{font-size:14px;margin:0 0 5px}.empty-state p{font-size:9px;color:var(--muted)}
@media(max-width:1180px){.prototype-stage{grid-template-columns:260px 1fr}.coverage-panel{display:none}}
@media(max-width:820px){body{overflow:auto}.prototype-stage{display:block;height:auto;min-height:100%;padding:0;background:#111}.brief-panel,.coverage-panel{display:none}.phone-zone{min-width:0;height:100vh}.phone-shadow{display:none}.phone-shell{width:min(390px,100vw);height:100vh;min-height:600px;border-radius:0;padding:0}.phone-screen{border-radius:0}.phone-speaker,.phone-camera,.home-indicator{display:none}}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}

/* Brand theme override: primary #0D67EF, secondary #D0EAFF / #F6F9FF */
.prototype-stage{background:radial-gradient(circle at 16% 22%,rgba(13,103,239,.12),transparent 25%),radial-gradient(circle at 86% 80%,rgba(13,103,239,.07),transparent 26%),linear-gradient(135deg,#F6F9FF,#E8F3FF)}
.brand-mark,.nav-item.agent .nav-orb,.primary-btn,.floating-btn,.login-brand{background:linear-gradient(145deg,#0D67EF,#55A7FF)}
.brand-mark,.login-brand{box-shadow:0 10px 24px rgba(13,103,239,.25)}
.nav-item.agent .nav-orb{box-shadow:0 10px 20px rgba(13,103,239,.30);border-color:#F6F9FF}
.home-hero{background:linear-gradient(135deg,#0D67EF,#4B9BFF);box-shadow:0 16px 35px rgba(13,103,239,.24)}
.device-detail-hero{background:linear-gradient(145deg,#083D8C,#0D67EF);box-shadow:0 15px 30px rgba(13,74,157,.20)}
.mini-progress i,.progress-wide i{background:linear-gradient(90deg,#0D67EF,#74B5FF)}
.primary-btn,.floating-btn{box-shadow:0 10px 22px rgba(13,103,239,.25)}
.style-card.active,.mode-card.active{box-shadow:0 7px 20px rgba(13,103,239,.14)}
.style-card:nth-child(2) .style-thumb{background:linear-gradient(135deg,#3E8FFF,#FFB277)}
.wave-orb{background:radial-gradient(circle,#D0EAFF 0 35%,rgba(13,103,239,.13) 36% 49%,rgba(13,103,239,.07) 50% 64%,transparent 65%)}
.wave-orb button{background:linear-gradient(145deg,#0D67EF,#55A7FF);box-shadow:0 12px 28px rgba(13,103,239,.28)}
@keyframes pulse{50%{transform:scale(1.08);box-shadow:0 12px 34px rgba(13,103,239,.48)}}
.material-card:nth-child(3n) .material-art{background:linear-gradient(145deg,#D0EAFF,#EAF5FF)}
.agent-head{background:linear-gradient(135deg,#0D67EF,#55A7FF)}
.clip-hero{background:linear-gradient(135deg,#073576,#0D67EF)}
.processing-orb:before{border-color:rgba(13,103,239,.14);border-top-color:#0D67EF}
.promo-card{background:linear-gradient(135deg,#082B62,#0D67EF)}
.plan-card{background:linear-gradient(135deg,#0D67EF,#4B9BFF)}
.login-screen{background:linear-gradient(180deg,#D0EAFF,#F6F9FF 55%)}
.scanner:before,.scanner:after{border-top-color:#4B9BFF;border-left-color:#4B9BFF}

/* Square controls: keep content cards and device containers rounded. */
.scenario,
.icon-btn,
.back-btn,
.hero-btn,
.chip,
.nav-item.agent .nav-orb,
.primary-btn,
.secondary-btn,
.segmented button,
.qty button,
.wave-orb button,
.tool-button,
.floating-btn,
.action-buttons button,
.suggestions button,
.chat-input button,
.promo-card button,
.login-option,
.video-cover button,
.product-price span{border-radius:0}

.quick-icon,
.device-visual,
.task-icon,
.mini-icon,
.product-icon,
.file-type,
.agent-avatar,
.pay-icon{border-radius:0}

/* Global square-corner mode selected by the user. */
*{border-radius:0!important}

/* The center Agent entry remains the only circular primary action. */
.nav-item.agent .nav-orb{width:48px;height:48px;min-width:48px;min-height:48px;flex:0 0 48px;border-radius:50%!important}