html{overflow-x:hidden}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#17213c;background:#f8faff;line-height:1.6;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;position:relative;overflow-x:hidden}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}a{color:inherit;text-decoration:none}.hidden{display:none!important}.shell{max-width:1110px;margin:auto;padding-left:25px;padding-right:25px}.ambient{pointer-events:none;position:absolute;filter:blur(60px);z-index:-1;border-radius:50%}.ambient-one{left:-230px;top:230px;width:560px;height:440px;background:#e3eafe88}.ambient-two{right:-230px;top:220px;width:480px;height:470px;background:#f1eafe93}.topbar{background:rgba(255,255,255,.8);border-bottom:1px solid #e9edf4;backdrop-filter:blur(18px);height:76px}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:850;letter-spacing:-1.1px;color:#202c4d}.brand-mark{width:38px;height:38px;background:linear-gradient(155deg,#7399ff,#4267ec);border-radius:12px;display:grid;place-items:center;box-shadow:0 7px 14px #4773f225}.brand-mark svg{width:24px;height:24px}.brand-dot{color:#4672ff}.navlinks{display:flex;gap:35px;font-size:14px;color:#7d879c;margin-left:-75px}.navlinks a{transition:color .2s}.navlinks a:hover,.navlinks .nav-active{color:#345ee8;font-weight:650}.free-pill{display:flex;align-items:center;gap:8px;border:1px solid #dfeee6;background:#f6fcf9;color:#338461;border-radius:30px;padding:7px 13px;font-size:12px;font-weight:650}.status-dot{width:7px;height:7px;border-radius:50%;background:#40bf89;box-shadow:0 0 0 3px #40bf8918}.hero{text-align:center;padding-top:54px;padding-bottom:39px}.hero-kicker{display:inline-flex;gap:8px;align-items:center;border:1px solid #e5eaff;background:#fff;border-radius:20px;padding:5px 15px;color:#6280d4;font-size:12px;font-weight:620}.sparkle{color:#8d80e2;font-size:17px}.hero h1{font-size:clamp(32px,4.3vw,50px);letter-spacing:-2.2px;line-height:1.33;font-weight:840;margin:17px 0 12px}.hero h1 em{font-style:normal;background:linear-gradient(105deg,#3d69ff,#8f71e9);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-desc{color:#929bac;font-size:14px;line-height:1.95;margin:0}.workspace{display:grid;grid-template-columns:330px minmax(0,1fr);gap:26px;align-items:start}.workspace-side{padding-top:15px}.step-hint{font-size:12px;font-weight:680;color:#9aa4b4;letter-spacing:1px;margin:0 0 16px 9px}.mode-list{display:grid;gap:12px}.mode{border:1px solid transparent;background:transparent;padding:17px 15px;display:flex;align-items:center;text-align:left;gap:15px;width:100%;min-height:91px;border-radius:15px;transition:.18s}.mode:hover{background:#fff}.mode.active{border-color:#dde6ff;background:#fff;box-shadow:0 12px 30px #7891ca15}.mode-icon{width:51px;height:51px;border-radius:14px;display:grid;place-items:center;flex-shrink:0}.mode-icon svg,.upload-blob svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;width:24px;height:24px}.icon-purple{color:#866be3;background:#efebff}.icon-peach{color:#ed8f66;background:#fff0e8}.icon-blue{color:#5b85ec;background:#e9f0ff}.mode-copy{display:grid;gap:2px}.mode-copy strong{font-size:15px;font-weight:750;white-space:nowrap}.mode-copy small{font-size:12px;color:#98a2b4;white-space:nowrap}.mode-arrow{margin-left:auto;color:#9cadca;font-size:25px;font-weight:250}.side-tip{margin:56px 5px 0;padding:16px 16px;display:flex;align-items:start;gap:11px;border:1px solid #e9eafa;background:#f2f4fd98;border-radius:13px}.tip-icon{font-size:20px;color:#8a83db}.side-tip p{margin:0;color:#8b96ae;font-size:12px;line-height:1.9}.side-tip b{color:#6575a0;font-weight:700}.panel{min-height:500px;border:1px solid #edf0f7;background:#fff;border-radius:23px;padding:35px 40px;box-shadow:0 17px 49px #34487513,0 3px 10px #4e659007}.mode-screen{animation:fadeIn .21s ease-out}@keyframes fadeIn{from{opacity:.35;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.panel-heading{display:flex;justify-content:space-between;align-items:start;margin-bottom:27px}.panel-heading .eyebrow{font-size:11px;letter-spacing:1.6px;color:#8192ae;font-weight:780}.panel h2{font-size:24px;letter-spacing:-.6px;font-weight:800;line-height:1.35;margin:8px 0 7px}.panel-heading p{color:#97a0b2;font-size:13px;margin:0}.heading-symbol{display:grid;place-items:center;width:51px;height:51px;border-radius:15px;font-family:Georgia;font-size:40px;line-height:1}.symbol-purple{background:#f1edff;color:#8a70db}.symbol-peach{background:#fff3ea;color:#e99c75}.symbol-blue{background:#eaf0ff;color:#6089ee}.field-label{display:block;font-size:13px;color:#43506e;font-weight:700;margin-bottom:10px}.text-input{border:1px solid #e5eaf3;background:#fbfcff;border-radius:12px;resize:vertical;min-height:152px;width:100%;padding:15px;color:#253450;font-size:13px;line-height:1.8;outline:none;transition:border .2s,box-shadow .2s}.text-input:focus,.link-input input:focus{border-color:#8eacff;box-shadow:0 0 0 3px #567fff13}.text-input::placeholder{color:#b8c1ce}.input-foot{display:flex;justify-content:space-between;margin-top:8px;font-size:11px;color:#acb5c4}.rule-row{display:flex;align-items:center;gap:13px;margin:22px 0;background:#f8fafc;border:1px solid #edf0f6;border-radius:12px;padding:13px}.rule-flame{display:grid;place-items:center;background:#ffebe5;color:#f17855;border-radius:10px;width:38px;height:38px;font-size:22px}.rule-row>div{display:grid;gap:2px}.rule-row strong{font-size:13px}.rule-row small{font-size:11px;color:#939db0}.rule-check{margin-left:auto;color:#fff;background:#4cb988;width:22px;height:22px;line-height:22px;border-radius:50%;font-size:12px;text-align:center}.primary-button{width:100%;display:flex;align-items:center;justify-content:center;gap:13px;background:linear-gradient(105deg,#4e76fb,#5867eb);color:#fff;border:0;border-radius:12px;min-height:51px;font-weight:750;font-size:14px;box-shadow:0 10px 22px #436af328;transition:.18s}.primary-button:hover:enabled{filter:brightness(1.045);transform:translateY(-1px)}.primary-button span{font-size:19px;font-weight:400}.dropzone{height:219px;border:1.5px dashed #bdcdf3;border-radius:15px;background:#fafbff;display:flex;align-items:center;justify-content:center;flex-direction:column;cursor:pointer;transition:.2s;margin-bottom:18px}.dropzone:hover,.dropzone.dragging{border-color:#5379ed;background:#f3f7ff}.dropzone strong{font-size:15px;font-weight:750}.dropzone p{font-size:12px;color:#a0abbd;margin:3px 0 14px}.upload-blob{width:52px;height:52px;display:grid;place-items:center;border-radius:15px;color:#547bf0;background:#e8efff;margin-bottom:12px}.outlined-button{font-size:12px;font-weight:700;color:#526ef2;border:1px solid #ccd6fb;padding:7px 17px;border-radius:9px;background:#fff}.info-strip{display:flex;flex-wrap:wrap;justify-content:space-between;font-size:11px;color:#929fb5;margin:0 0 22px;gap:8px}.selected-file{display:flex;align-items:center;padding:11px 13px;border:1px solid #e5ebf8;border-radius:11px;margin-bottom:15px;gap:11px}.file-bubble{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#ecf1ff;color:#5d7aeb;font-size:20px}.selected-meta{display:grid;flex:1;min-width:0}.selected-meta strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.selected-meta small{color:#919bad;font-size:12px}.icon-button{border:0;background:transparent;color:#a2acc0;font-size:13px}.progress{background:#eaf0ff;border-radius:10px;height:7px;overflow:hidden;margin-bottom:16px}.progress>div{height:100%;width:0;background:linear-gradient(90deg,#7395fc,#7167ec);border-radius:10px;transition:width .2s}.p2p-illustration{display:flex;align-items:center;justify-content:center;gap:31px;min-height:183px;border:1px solid #e8edf8;border-radius:14px;background:#fafcff}.device{display:grid;justify-items:center;gap:6px}.device span{width:60px;height:60px;border-radius:16px;background:#eaf0ff;color:#6a89e4;display:grid;place-items:center;font-size:28px}.device small{font-size:11px;color:#8b99b2}.connection{display:grid;justify-items:center;color:#97b0f1;line-height:1.3;font-size:19px;white-space:nowrap}.connection b{font-size:10px;color:#6991ee;border:1px solid #d5e0fc;border-radius:30px;padding:3px 10px;margin-top:3px}.p2p-caption{text-align:center;color:#98a3b5;font-size:12px;margin:12px 0 24px}.p2p-alert{font-size:11px;color:#9da8bb;line-height:1.8;margin-top:18px;background:#f9fbff;border-radius:9px;padding:9px 13px}.success-circle{width:64px;height:64px;border-radius:50%;background:#e4faf0;color:#39aa75;display:grid;place-items:center;margin:9px auto 16px;font-size:32px}.center-title{text-align:center!important;font-size:25px!important;margin:9px 0!important}.center-sub{text-align:center;color:#9ca7b8;font-size:13px;margin:9px 0 27px}.link-input{border:1px solid #e2e9f6;background:#f9fbff;border-radius:11px;padding:5px;display:flex;height:52px;gap:6px}.link-input input{flex:1;border:0;background:transparent;outline:none;color:#516483;font-size:12px;min-width:0;padding:0 13px}.link-input button{border:0;border-radius:8px;padding:0 18px;color:white;font-size:12px;font-weight:700;background:#5577ee;white-space:nowrap}.share-bottom{margin:25px 0;display:flex;align-items:center;gap:25px}.qr-card{width:142px;height:142px;flex-shrink:0;border:1px solid #e8edf4;border-radius:12px;background:#fff;display:grid;place-items:center;padding:12px}.qr-card canvas,.qr-card img{max-width:118px;max-height:118px}.qr-fallback{font-size:11px;text-align:center;color:#b0bad0}.share-tips strong{font-size:14px}.share-tips p,.share-tips span{font-size:12px;color:#929eaf}.share-tips span{display:block}.minor-danger{background:none;border:0;padding:0;text-decoration:underline;text-underline-offset:3px;color:#c98182;font-size:12px;margin-top:14px}.secondary-button{width:100%;height:45px;border-radius:11px;border:1px solid #dce5f9;background:white;color:#5771d0;font-size:13px;font-weight:700}.receive-icon{display:grid;place-items:center;width:66px;height:66px;margin:12px auto 16px;border-radius:18px;background:#f1eeff;color:#786add;font-size:29px}.receive-meta{background:#f8faff;border-radius:12px;padding:17px;margin:25px 0;color:#76829c;font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere;text-align:center}.disclaimer{color:#a4acb9;font-size:12px;text-align:center;margin:15px 0}.ghost-button{display:block;margin:17px auto 0;border:0;background:none;color:#8d9ab0;font-size:12px}.received-content{background:#f7f9fe;border-radius:12px;border:1px solid #e8edf8;padding:15px;margin-top:17px;max-width:100%;overflow:hidden}.received-content pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;font-size:13px;max-height:220px;overflow:auto}.received-content .secondary-button{margin-top:12px}.room-status-box{display:flex;align-items:center;gap:11px;padding:12px 15px;border:1px solid #e5ebfa;border-radius:11px;background:#f8faff;font-size:13px;color:#6d7d9d;margin-bottom:20px}.blink-dot{width:9px;height:9px;border-radius:50%;background:#8aa3db;box-shadow:0 0 0 4px #8aa3db22}.blink-dot.connected{background:#40bd8c;box-shadow:0 0 0 4px #40bd8c22}.room-share{margin-bottom:20px}.smaller{height:155px}.smaller p{margin:1px 0 10px}.incoming-note{padding:18px;background:#f8faff;text-align:center;border-radius:12px;color:#8d9bb1;font-size:13px;margin-bottom:15px;overflow-wrap:anywhere}.percentage{text-align:right;color:#6e8cef;font-size:12px;margin:-4px 0}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-top:41px;padding-bottom:36px}.feature{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}.feature-icon{width:34px;height:34px;display:grid;place-items:center;font-size:19px;color:#6d8ce3}.feature strong{font-size:13px;font-weight:750}.feature p{font-size:11px;color:#a1abba;margin:0}.seo-block{border-top:1px solid #e6ecf4;padding-top:26px;padding-bottom:30px;text-align:center}.seo-block h2{font-size:14px;font-weight:750;color:#8a94a8;letter-spacing:.4px;margin:0 0 10px}.seo-block p{font-size:11px;color:#aab3c2;line-height:1.9;margin:6px auto;max-width:760px}.footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e6ecf4;padding-top:20px;padding-bottom:25px;color:#aeb6c5;font-size:11px}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,25px);background:#202c4b;color:white;border-radius:12px;box-shadow:0 12px 24px #1c2a5a2b;padding:11px 20px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:999;max-width:90vw}.toast.show{opacity:1;transform:translate(-50%,0)}
.verify{font-size:12px;font-weight:650;color:#5c7bd9;margin:10px 0 0;overflow-wrap:anywhere}
.verify.ok{color:#1f9d6b}.verify.bad{color:#cf4444}
#receive-verify{text-align:center}
.room-qr{margin:14px auto 0;display:block}
.room-qr canvas{max-width:126px;max-height:126px}
@media(max-width:850px){.workspace{grid-template-columns:1fr;gap:14px}.workspace-side{padding-top:0}.step-hint,.side-tip{display:none}.mode-list{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.mode{flex-direction:column;gap:7px;min-height:104px;padding:12px 4px;align-items:center}.mode-icon{width:42px;height:42px}.mode-copy{text-align:center}.mode-copy strong{font-size:12px}.mode-copy small{display:none}.mode-arrow{display:none}.panel{min-height:460px}.hero{padding-top:37px;padding-bottom:26px}}
@media(max-width:530px){.shell{padding-left:15px;padding-right:15px}.topbar{height:65px}.navlinks{display:none}.brand{font-size:20px}.brand-mark{width:34px;height:34px}.free-pill{font-size:10px;padding:5px 8px}.hero h1{font-size:35px;letter-spacing:-1.5px}.hero-desc{font-size:12px}.desktop-break{display:none}.panel{padding:23px 19px;border-radius:18px;min-height:440px}.panel h2{font-size:20px}.heading-symbol{width:43px;height:43px;font-size:33px}.panel-heading{margin-bottom:22px}.rule-row small{font-size:10px}.feature-row{gap:7px}.feature strong{font-size:11px}.feature p{font-size:10px}.share-bottom{gap:15px}.qr-card{width:113px;height:113px;padding:7px}.qr-card canvas,.qr-card img{max-width:98px;max-height:98px}.share-tips strong{font-size:12px}.share-tips p,.share-tips span{font-size:11px}.footer{gap:6px;flex-direction:column;text-align:center}.p2p-illustration{gap:10px}.connection{font-size:14px}.device span{width:48px;height:48px}.mode-copy strong{font-size:11px}}
/* Subtle footer language toggle: plain text, easy to miss, always available. */
.header-tools{display:flex;align-items:center;gap:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.lang-toggle{border:0;background:none;padding:0;color:#aeb6c5;font-size:11px;cursor:pointer;text-underline-offset:3px}
.lang-toggle:hover{text-decoration:underline;color:#7d879c}
.share-links{display:grid;gap:8px;margin-bottom:6px}
.share-link-row{display:flex;align-items:center;gap:8px;border:1px solid #e5ebf8;border-radius:11px;padding:7px 11px;background:#f9fbff}
.share-link-name{flex-shrink:0;max-width:34%;font-size:12px;font-weight:700;color:#516483;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.share-link-row input{flex:1;border:0;background:transparent;outline:none;color:#516483;font-size:12px;min-width:0;padding:0}
.share-link-row button{border:0;border-radius:8px;padding:5px 13px;color:#fff;font-size:11px;font-weight:700;background:#5577ee;white-space:nowrap}
.selected-list{display:grid;gap:8px;margin-bottom:15px}
@media(max-width:530px){.header-tools{gap:5px}.free-pill{display:none}}