@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:DM Sans,Noto Sans SC,sans-serif;color:#18253a;background:#f4f7fb;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f4f7fb;overflow-x:hidden}button,input,select{font:inherit}button,label{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}.quick-shell{display:flex;flex-direction:column;min-height:100vh;overflow:hidden;background:radial-gradient(circle at 12% 12%,rgba(89,144,255,.12),transparent 27rem),radial-gradient(circle at 88% 74%,rgba(35,196,154,.09),transparent 24rem),#f7f9fc}.quick-header{position:relative;z-index:2;max-width:1180px;height:78px;width:100%;display:flex;align-items:center;justify-content:space-between;margin:0 auto;padding:0 24px}.quick-brand{display:inline-flex;align-items:center;gap:11px;color:#17233a;font-size:18px;font-weight:700;letter-spacing:-.01em;text-decoration:none}.quick-brand strong{color:#3474ed;font-weight:700}.quick-brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(145deg,#4b89ff,#2563df);box-shadow:0 8px 20px #2563df38}.connection-state{display:flex;align-items:center;gap:8px;color:#7c899d;font-size:12px}.status-dot{width:7px;height:7px;border-radius:50%;background:#b7c0ce}.status-dot.online{background:#1eb981;box-shadow:0 0 0 4px #1eb9811f}.quick-main{position:relative;z-index:1;max-width:1180px;width:100%;flex:1;display:grid;grid-template-columns:minmax(300px,.9fr) minmax(440px,1.1fr);align-items:center;align-content:center;gap:clamp(50px,8vw,105px);margin:0 auto;padding:64px 24px max(48px,env(safe-area-inset-bottom))}.quick-main:before,.quick-main:after{content:"";position:absolute;z-index:-1;border-radius:999px;border:1px solid rgba(76,129,230,.09)}.quick-main:before{width:410px;height:410px;left:-285px;top:10px}.quick-main:after{width:560px;height:560px;right:-390px;bottom:-280px}.hero-copy{align-self:center;padding-bottom:34px}.eyebrow{display:flex;align-items:center;gap:7px;margin:0 0 18px;color:#3978ee;font-size:12px;font-weight:700;letter-spacing:.08em}.hero-copy h1{margin:0;color:#142037;font-size:clamp(38px,4.4vw,55px);line-height:1.17;letter-spacing:-.045em}.hero-copy h1 span{color:#7c8ba2}.hero-copy>p:last-child{max-width:430px;margin:25px 0 0;color:#7e8b9f;font-size:14px;line-height:1.9}.transfer-card{min-height:510px;overflow:hidden;border:1px solid rgba(213,220,231,.9);border-radius:20px;background:#fffffff0;box-shadow:0 24px 70px #2d43691f,0 2px 5px #2d43690a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mode-tabs{display:grid;grid-template-columns:1fr 1fr;padding:7px;border-bottom:1px solid #edf0f4;background:#f8fafd}.mode-tabs button{height:49px;display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;color:#8a96a8;background:transparent;font-size:14px;font-weight:600;transition:color .18s,background .18s,box-shadow .18s}.mode-tabs button.active{color:#2868df;background:#fff;box-shadow:0 3px 12px #2e476f14}.pane-content{position:relative;min-height:440px;padding:28px 34px 30px}.send-pane{display:flex;flex-direction:column}.send-pane.is-dragging:after{content:"松开即可添加文件";position:absolute;z-index:4;top:14px;right:14px;bottom:14px;left:14px;display:grid;place-items:center;border:2px dashed #5c8ff0;border-radius:15px;color:#2f6ee4;background:#f2f7fff5;font-size:15px;font-weight:700}.upload-drop{min-height:350px;display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;border:1.5px dashed #c9d8ef;border-radius:15px;color:#8996a9;background:#f9fbfe;cursor:pointer;transition:border-color .18s,background .18s,transform .18s}.upload-drop:hover{border-color:#75a0ee;background:#f5f9ff;transform:translateY(-1px)}.upload-drop input,.add-file-button input{display:none}.upload-drop strong{margin-top:18px;color:#34435a;font-size:15px}.upload-drop>span:last-of-type{margin-top:8px;font-size:12px}.upload-illustration,.receive-illustration{width:64px;height:64px;display:grid;place-items:center;border-radius:20px;color:#3e7aec;background:linear-gradient(145deg,#edf4ff,#e4eeff);box-shadow:inset 0 0 0 1px #5a8ae414}.selection-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.selection-heading>div{display:flex;flex-direction:column;gap:4px}.selection-heading strong{color:#2e3b50;font-size:14px}.selection-heading span{color:#98a2b2;font-size:11px}.add-file-button{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #dbe4f0;border-radius:8px;color:#4c6f9f;background:#fff;font-size:12px;font-weight:600;cursor:pointer}.selected-files,.received-files{overflow:auto;scrollbar-width:thin}.selected-files{max-height:194px;padding-right:4px}.selected-file,.received-file{min-width:0;display:flex;align-items:center;gap:11px;padding:10px 11px;border-bottom:1px solid #eff2f6}.file-icon{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:9px;color:#4478ce;background:#edf4ff}.selected-file-name,.received-file>span:nth-child(2){min-width:0;display:flex;flex:1;flex-direction:column;gap:3px}.selected-file strong,.received-file strong{overflow:hidden;color:#364359;font-size:12px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.selected-file small,.received-file small{color:#9aa5b5;font-size:10px}.selected-file>button{width:30px;height:30px;display:grid;place-items:center;border:0;border-radius:8px;color:#a7b0be;background:transparent}.selected-file>button:hover{color:#d0535f;background:#fff2f3}.send-options{display:flex;align-items:center;justify-content:space-between;margin:auto 0 15px;padding-top:18px}.send-options label{display:flex;align-items:center;gap:7px;color:#6f7e93;font-size:12px;font-weight:600}.send-options select{padding:7px 28px 7px 10px;outline:0;border:1px solid #dfe5ed;border-radius:8px;color:#546278;background:#fff;font-size:12px}.primary-action{width:100%;min-height:46px;display:flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:11px;color:#fff;background:linear-gradient(135deg,#3479ef,#2562d9);box-shadow:0 8px 20px #2562d933;font-size:13px;font-weight:700;transition:transform .18s,box-shadow .18s,opacity .18s}.primary-action:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 23px #2562d940}.primary-action:disabled{opacity:.55}.text-action{display:flex;align-items:center;justify-content:center;gap:6px;margin:14px auto 0;padding:6px;border:0;color:#6d7d93;background:transparent;font-size:12px}.text-action:hover{color:#2f70e5}.compact-progress{margin:14px 0 4px;padding:11px 12px;border:1px solid #e0e9f7;border-radius:10px;background:#f7faff}.compact-progress>div:first-child{display:flex;justify-content:space-between;color:#64748a;font-size:10px}.compact-progress strong{color:#3171e5}.progress-track{height:5px;margin:8px 0 6px;overflow:hidden;border-radius:999px;background:#dfe8f5}.progress-track span{display:block;height:100%;border-radius:inherit;background:#3478ea;transition:width .18s}.compact-progress small{display:block;color:#9aa5b5;font-size:9px;text-align:right}.button-spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.notice{display:flex;align-items:flex-start;gap:8px;margin-top:14px;padding:10px 11px;border:1px solid;border-radius:9px;font-size:11px;line-height:1.5}.notice.success{color:#157a58;border-color:#c7eadc;background:#f2fbf7}.notice.error{color:#ad4752;border-color:#f0ccd0;background:#fff6f6}.notice>svg{flex:0 0 auto;margin-top:1px}.notice span{flex:1}.notice button{display:grid;place-items:center;padding:0;border:0;color:inherit;background:transparent}.receipt-pane,.receive-pane{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.success-orbit{width:66px;height:66px;display:grid;place-items:center;margin-bottom:19px;border-radius:50%;color:#fff;background:linear-gradient(145deg,#2dc492,#19a979);box-shadow:0 0 0 10px #ecfaf5,0 12px 24px #19a9792b}.pane-kicker{margin:0 0 7px;color:#3c78e4;font-size:10px;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.pane-content h2{margin:0;color:#2c394e;font-size:20px;letter-spacing:-.02em}.pickup-code{max-width:100%;display:flex;align-items:center;gap:11px;margin:25px 0 16px;padding:13px 17px;border:1px solid #cbdaf3;border-radius:11px;color:#2665d8;background:#f4f8ff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(17px,3vw,21px);font-weight:700;letter-spacing:.05em;overflow-wrap:anywhere}.receipt-meta{display:flex;flex-direction:column;gap:5px;margin-bottom:21px;color:#8d98a9;font-size:10px}.receipt-meta span{display:flex;align-items:center;justify-content:center;gap:5px}.receipt-pane .primary-action{max-width:290px}.receipt-pane .notice{width:100%}.receive-illustration{margin-bottom:19px}.pane-description{margin:10px 0 24px;color:#929dac;font-size:12px}.code-input{width:100%;margin-bottom:14px;text-align:left}.code-input span{display:block;margin:0 0 7px 2px;color:#758398;font-size:11px;font-weight:600}.code-input input{width:100%;height:55px;padding:0 16px;outline:0;border:1px solid #d8e0eb;border-radius:11px;color:#2f64bf;background:#fbfcfe;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:700;letter-spacing:.07em;text-align:center;text-transform:uppercase}.code-input input:focus{border-color:#6d9bf0;box-shadow:0 0 0 4px #edf4ff}.code-input input::placeholder{color:#c4ccd8}.received-pane{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;text-align:left}.receive-again-button{flex:0 0 auto;margin:auto auto 0}.received-pane>.notice{margin-bottom:12px}.received-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:15px;margin:4px 0 18px}.received-heading>span{display:flex;align-items:center;gap:5px;color:#8c98aa;font-size:10px;white-space:nowrap}.received-files{max-height:300px;border:1px solid #e7ebf1;border-radius:12px}.received-file{color:inherit;transition:background .18s}.received-file:last-child{border-bottom:0}.received-file:hover{background:#f8fbff}.received-actions{flex:0 0 auto;display:flex;align-items:center;gap:3px}.received-actions button,.received-actions a{width:31px;height:31px;display:grid;place-items:center;padding:0;border:0;border-radius:8px;color:#8492a7;background:transparent;text-decoration:none;transition:color .18s,background .18s}.received-actions button:hover,.received-actions a:hover{color:#3476e8;background:#eaf2ff}.preview-backdrop{position:fixed;z-index:1000;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:24px;background:#0f1827b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.preview-dialog{width:min(1120px,calc(100vw - 48px));height:min(920px,calc(100dvh - 48px));display:flex;flex-direction:column;overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:#111827;box-shadow:0 28px 90px #00000061}.preview-dialog header{height:54px;flex:0 0 54px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 17px 0 20px;color:#eef3fb;border-bottom:1px solid rgba(255,255,255,.09)}.preview-dialog header strong{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.preview-dialog header button{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;padding:0;border:0;border-radius:8px;color:#aeb9ca;background:transparent}.preview-dialog header button:hover{color:#fff;background:#ffffff17}.preview-body{--preview-media-gap: 20px;position:relative;min-width:0;min-height:0;display:grid;flex:1;place-items:center;overflow:hidden;background:#0b1220}.preview-body img,.preview-body video{position:absolute;inset:var(--preview-media-gap);display:block;width:calc(100% - 2 * var(--preview-media-gap));height:calc(100% - 2 * var(--preview-media-gap));object-fit:contain}.preview-body audio{width:min(620px,100%)}.preview-download{min-height:48px;display:flex;flex:0 0 48px;align-items:center;justify-content:center;gap:7px;color:#dbe8ff;border-top:1px solid rgba(255,255,255,.09);font-size:12px;font-weight:600;text-decoration:none}.preview-download:hover{color:#fff;background:#ffffff0d}.trust-row{grid-column:1 / -1;display:flex;justify-content:center;gap:clamp(18px,4vw,42px);margin-top:8px;color:#96a1b1;font-size:11px}.trust-row span{display:flex;align-items:center;gap:5px}.trust-row svg{color:#40b38c}@media(max-width:850px){.quick-main{grid-template-columns:minmax(0,620px);justify-content:center;gap:34px;max-width:620px;padding-top:32px}.hero-copy{padding:0;text-align:center}.hero-copy .eyebrow{justify-content:center}.hero-copy>p:last-child{margin-right:auto;margin-left:auto}.transfer-card{width:100%}}@media(max-width:560px){.quick-header{height:66px;padding:0 16px;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.quick-brand{gap:8px;font-size:16px}.quick-brand-mark{width:34px;height:34px;border-radius:10px}.connection-state{font-size:0}.quick-main{gap:25px;padding:25px 12px max(32px,env(safe-area-inset-bottom))}.hero-copy h1{font-size:clamp(32px,10vw,40px)}.hero-copy>p:last-child{margin-top:17px;font-size:12px;line-height:1.75}.transfer-card{min-height:0;border-radius:16px}.mode-tabs{padding:5px}.mode-tabs button{min-height:48px;font-size:13px}.pane-content{min-height:0;padding:24px 18px}.upload-drop{min-height:290px}.selection-heading{gap:10px}.add-file-button{min-height:40px;padding:8px 11px}.send-options{align-items:stretch;flex-wrap:wrap;gap:10px}.send-options select{min-height:40px}.primary-action{min-height:48px}.selected-file{min-height:56px}.received-file{min-height:64px}.received-actions{gap:4px}.received-actions button,.received-actions a{width:40px;height:40px}.pickup-code{width:100%;justify-content:center;margin-top:20px;padding:13px 12px;font-size:15px}.code-input input{font-size:16px}.received-heading{align-items:flex-start;flex-direction:column}.preview-backdrop{padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}.preview-dialog{width:100%;height:100%;max-height:none;border-radius:12px}.preview-dialog header{height:56px;flex-basis:56px;padding-left:16px}.preview-dialog header button{width:40px;height:40px;flex-basis:40px}.preview-body{--preview-media-gap: 10px}.preview-download{min-height:52px;flex-basis:52px}.trust-row{display:grid;grid-template-columns:1fr 1fr;justify-items:center;gap:10px 22px;padding:0 12px}}