:root{color-scheme:dark;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#f3f4f5;background:#0e1117;--mint:#b8f5d0;--muted:#919aa8}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:4px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:650;letter-spacing:1px}.brand-icon{background:var(--mint);color:#16231a;border-radius:11px;width:34px;height:34px;display:grid;place-items:center;font-size:27px}.muted{color:var(--muted);font-size:12px;font-weight:400;letter-spacing:0;margin-left:12px}.login-page{min-height:100vh;max-width:1440px;margin:auto;padding:36px 7vw 0;background:radial-gradient(ellipse at 10% 55%,#172920 0,transparent 48%)}.login-layout{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:8vw;min-height:calc(100vh - 165px);padding:50px 0}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2.4px;color:var(--mint)}.dot{display:inline-block;background:var(--mint);width:7px;height:7px;border-radius:50%;margin-right:8px;box-shadow:0 0 12px #b8f5d044}h1{font-size:clamp(36px,4.2vw,61px);font-weight:500;line-height:1.3;letter-spacing:-2px;margin:24px 0}p{color:var(--muted);font-size:14px;line-height:1.9}.feature-row{display:flex;gap:12px;margin-top:26px}.feature-row span{font-size:11px;border:1px solid #38463f;padding:7px 10px;border-radius:20px;color:#b7c7bd}.screen-art{width:265px;height:175px;border-radius:13px;border:1px solid #46594b;background:linear-gradient(130deg,#293c32,#141e1a);margin-top:38px;transform:rotate(-3deg);position:relative;box-shadow:0 15px 40px #0003}.mini-top{height:25px;border-bottom:1px solid #405348;display:flex;gap:5px;padding:10px}.mini-top i{width:4px;height:4px;background:#89a18f;border-radius:100%}.mini-view{padding:25px;text-align:center}.mini-view span{display:inline-grid;place-items:center;border:1px solid #607869;width:44px;height:44px;border-radius:100%;color:var(--mint);font-size:14px}.mini-line{height:4px;border-radius:3px;background:#5d7566;width:80px;margin:12px auto 0}.mini-line.short{width:50px;margin-top:6px;background:#40594b}.art-tag{position:absolute;bottom:15px;right:-43px;transform:rotate(3deg);border:1px solid #405348;border-radius:8px;background:#18221d;padding:11px 14px;color:#c1d8c7;font-size:11px;box-shadow:0 8px 20px #0004}.art-tag b{padding-left:20px;color:var(--mint)}.login-card{background:#181c23;border:1px solid #2c323c;border-radius:20px;padding:38px;max-width:440px;width:100%;justify-self:end;box-shadow:0 30px 80px #0003}.login-card h2{font-size:26px;font-weight:500;margin:20px 0 9px}.login-card p{margin:0 0 28px}.login-card label{display:block;font-size:12px;color:#c7cdd4;margin-bottom:10px}.input-wrap{position:relative}.input-wrap input{width:100%;border:1px solid #3c434e;background:#10141b;color:white;border-radius:9px;height:50px;padding:0 58px 0 14px;font-size:13px}.input-wrap input::placeholder{color:#697280}.reveal{position:absolute;right:10px;top:13px;background:none;border:none;color:#aeb8c6;font-size:11px;padding:4px}.primary{background:var(--mint);color:#14231a;border:0;border-radius:9px;height:49px;width:100%;font-weight:650;font-size:14px;display:flex;align-items:center;justify-content:space-between;padding:0 17px}.primary:hover{background:#d1ffdf}.primary:disabled{opacity:.55;cursor:wait}.message{min-height:31px;padding:9px 0;color:#ffada7;font-size:12px}.card-note{border-top:1px solid #2e343e;margin-top:26px;padding-top:20px;color:#818c9c;font-size:11px;line-height:1.9}footer{display:flex;justify-content:space-between;border-top:1px solid #282f35;color:#717b8b;font-size:10px;padding:20px 0}footer span{color:#687382}.viewer-page{height:100dvh;display:flex;flex-direction:column}.viewer-bar{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid #2b333d;gap:20px}.viewer-bar .brand{font-size:18px}.viewer-bar .brand-icon{width:28px;height:28px;font-size:23px}.connection{font-size:11px;color:#b2c6ba}.viewer-bar nav{display:flex;gap:8px}.viewer-bar button{background:#1b222c;color:#bac6d3;border:1px solid #333d4a;border-radius:7px;font-size:11px;padding:7px 11px}.viewer-stage{flex:1;min-height:0;position:relative;background:#0a0d11}.viewer-stage iframe{width:100%;height:100%;border:0;display:block}.viewer-footer{padding:10px 20px;font-size:10px;gap:20px}#waiting{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#11161e}#waiting[hidden]{display:none}#waiting h2{font-size:19px;font-weight:500;margin-top:22px}#waiting p{font-size:12px}.loader{width:33px;height:33px;border:2px solid #34443c;border-top-color:var(--mint);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:700px){.login-page{padding:24px 6vw 0}.login-layout{grid-template-columns:1fr;gap:32px;padding:40px 0}.screen-art{display:none}.intro h1{font-size:39px}.intro p{font-size:13px}.login-card{justify-self:stretch;max-width:none;padding:28px}.muted{margin-left:0}.login-page footer span{display:none}.viewer-bar{height:55px;padding:0 10px;gap:8px}.viewer-bar .connection{display:none}.viewer-bar nav{gap:5px}.viewer-footer{line-height:1.6}.viewer-footer span{display:none}}@media(prefers-reduced-motion:reduce){.loader{animation:none}}
.choose-page{min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 65% 40%,#17282166,transparent 55%)}.choose-main{width:min(960px,90%);margin:0 auto;flex:1;padding:65px 0}.choose-main h1{font-size:38px;letter-spacing:-1px;margin:20px 0 12px}.choose-main>p{font-size:13px;margin:0 0 34px}.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.app-card{display:block;text-decoration:none;color:inherit;background:#171d25;border:1px solid #333c47;border-radius:18px;padding:30px;transition:transform .15s,border-color .15s}.app-card:hover{transform:translateY(-4px);border-color:#809e89}.app-symbol{display:grid;place-items:center;background:#252e39;border:1px solid #43515d;border-radius:15px;width:61px;height:61px;font-size:40px;color:#f8f8fa}.douyin-card .app-symbol{text-shadow:2px 1px #ff3f67,-2px -1px #46e5e7}.chatgpt-card .app-symbol{color:var(--mint);font-size:45px;background:#22382d;border-color:#435e4d}.app-copy{margin-top:30px}.app-copy .eyebrow{font-size:10px;letter-spacing:2px}.app-copy h2{font-size:30px;font-weight:500;margin:10px 0}.app-copy p{font-size:12px;margin:0 0 28px}.card-action{border-top:1px solid #34404a;padding-top:18px;display:flex;justify-content:space-between;color:#d2ded6;font-size:13px}.card-action span{color:var(--mint);font-size:20px}.choose-note{color:#7f8c9a;font-size:11px;line-height:2;margin-top:28px}.choose-page>footer{padding:20px 5%}.nav-link{font-size:11px;padding:7px 11px;text-decoration:none;color:var(--mint);background:#1d3026;border:1px solid #3e5447;border-radius:7px}.current-app{font-size:16px;letter-spacing:0}@media(max-width:520px){.choose-main{padding:38px 0}.choose-main h1{font-size:29px}.app-grid{grid-template-columns:1fr;gap:15px}.app-card{padding:22px;display:grid;grid-template-columns:60px 1fr;gap:10px 20px}.app-copy{margin:0}.app-copy h2{font-size:23px;margin:8px 0}.app-copy p{margin:0;font-size:11px}.card-action{grid-column:1/-1;padding-top:13px;margin-top:10px}.viewer-bar nav{gap:4px}.viewer-bar button,.nav-link{padding:7px 8px}.current-app{font-size:13px}.viewer-bar .brand-icon{width:24px;height:24px}.viewer-bar .brand{gap:6px}}

.app-grid{grid-template-columns:repeat(3,1fr)}.choose-main{width:min(1120px,90%)}.app-card{padding:25px}.app-copy h2{font-size:27px}.space-badge{font-size:12px;color:var(--mint);white-space:nowrap}.language{display:flex;gap:3px;padding:2px;border:1px solid #35453e;border-radius:8px}.viewer-bar .language button{border:0;background:transparent;padding:5px 8px;color:#99a69d}.viewer-bar .language button[aria-pressed=true]{background:#b8f5d0;color:#14231a}.chat-card .app-symbol{background:#333028;color:#f3dbac}.chat-main{width:min(860px,92%);margin:36px auto;flex:1;min-height:0}.chat-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.chat-heading h1{font-size:34px;margin:12px 0}.chat-notice{font-size:12px;line-height:1.8;color:#9aab9f;background:#19241e;padding:12px 16px;border-radius:9px}.messages{height:clamp(240px,45vh,600px);overflow-y:auto;margin:18px 0;padding:16px;background:#12171e;border:1px solid #2e3942;border-radius:14px;display:flex;flex-direction:column;gap:12px}.chat-message{max-width:85%;align-self:flex-start;background:#222c36;border-radius:12px;padding:12px 16px}.chat-message.mine{align-self:flex-end;background:#244333}.chat-message p{white-space:pre-wrap;overflow-wrap:anywhere;color:#f0f5f2;line-height:1.6;margin:6px 0 0}.message-meta{font-size:11px;color:#a6bcae}.chat-empty{margin:auto;text-align:center}.compose{display:flex;gap:12px;margin-top:10px}.compose textarea{flex:1;min-width:0;resize:vertical;background:#161f27;border:1px solid #42564b;border-radius:10px;color:white;padding:12px;font:inherit}.compose .primary{width:100px;height:auto;justify-content:center}#chat-form label{font-size:13px;color:#b3c1b8}#chat-error{min-height:22px;color:#ffada7;font-size:12px;margin:5px 0}#members{font-size:12px}.chat-main .nav-link{white-space:nowrap}
@media(max-width:800px){.viewer-bar{height:auto;min-height:62px;flex-wrap:wrap;padding:10px 12px;gap:10px}.viewer-bar nav{flex-wrap:wrap}.app-grid{grid-template-columns:1fr}.app-card{display:grid;grid-template-columns:60px 1fr;gap:10px 20px}.app-copy{margin:0}.app-copy p{margin:0}.card-action{grid-column:1/-1}.choose-main{padding:30px 0}.chat-main{margin:24px auto}.chat-heading h1{font-size:28px}.choose-main h1{font-size:30px}.viewer-bar .brand{font-size:16px}}

.study-page{background:#f8f8f8;color:#293747;min-height:100dvh;display:flex;flex-direction:column;font:14px Arial,sans-serif;color-scheme:light}.study-header{height:58px;background:white;display:flex;justify-content:center;align-items:center;gap:9px;font-size:17px;color:#333}.study-symbol{color:#00a8ed;font-size:32px}.study-main{flex:1;padding:48px 20px 80px}.study-card{width:min(375px,100%);margin:auto;padding:22px 29px;background:white;border:1px solid #e4e4e4;box-shadow:0 1px 2px #0000000b}.study-card h1{font:18px Arial,sans-serif;letter-spacing:0;line-height:1.5;margin:0 0 11px}.study-card p{font-size:12px;color:#999;line-height:1.6;margin:0 0 8px}.study-card input{display:block;width:100%;height:36px;margin:0 0 9px;padding:8px;border:1px solid #d7d7d7;background:white;color:#222;border-radius:0;font:14px Arial,sans-serif}.study-card input:focus{outline:2px solid #009ce7;outline-offset:1px}.study-card input::placeholder{color:#a1a1a1}.study-card button{background:#087db6;color:white;border:0;border-radius:2px;padding:10px 16px;font-weight:600}.study-card .study-note{margin:20px 0 0;font-size:11px;color:#8c9298}.study-footer{background:white;justify-content:center;padding:35px 20px;color:#687483;border:0;font:12px Arial,sans-serif}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.owner-panel{margin:30px 0}.owner-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.owner-heading h2{font-size:23px;font-weight:500}.owner-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:20px}.access-card{padding:24px;background:#171d25;border:1px solid #354339;border-radius:15px}.access-card h3{font-size:18px;margin:0 0 14px}.admin-note{font-size:12px;line-height:1.7;color:#9caaa1}.access-card label{display:block;font-size:12px;color:#c5d2c9;margin:14px 0 8px}.access-card input{width:100%;background:#101820;border:1px solid #42554a;border-radius:7px;color:white;padding:10px;font:inherit}.temp-input{display:flex;gap:8px}.access-card button{background:#25352b;color:#d8e9de;border:1px solid #43594c;border-radius:7px;padding:9px 12px;font:inherit;font-size:12px}.access-card .primary{background:#b8f5d0;color:#14231a}.admin-actions{display:flex;gap:10px;flex-wrap:wrap}.admin-actions .primary{width:auto;height:auto}.device-row{border-top:1px solid #34443a;padding:14px 0;font-size:12px;overflow-wrap:anywhere}.device-row p{margin:6px 0;font-size:12px}.device-row strong{color:#d9f5e3}.device-row button{margin-top:6px}#admin-feedback{font-size:12px;color:#b8f5d0;white-space:pre-wrap}#temporary-status{font-size:13px;color:#b8f5d0}@media(max-width:800px){.owner-grid{grid-template-columns:1fr}.study-main{padding-top:48px}.owner-heading{flex-wrap:wrap}}

.viewer-page{height:100dvh;overflow:hidden}.viewer-page .viewer-stage{height:100dvh}.app-back{position:fixed;z-index:50;right:12px;top:12px;width:32px;height:32px;border-radius:50%;background:#111b;color:#fff;text-decoration:none;display:grid;place-items:center;font-size:27px;line-height:1;opacity:.55;box-shadow:0 1px 6px #0003}.app-back:hover,.app-back:focus{opacity:1}.owner-panel>summary{cursor:pointer;color:#b8f5d0;border:1px solid #3b5244;border-radius:9px;padding:13px 17px;font-size:14px}.owner-panel[open]>summary{margin-bottom:20px}.instagram-card .app-symbol{color:#ffb8df;background:#3d2033}.app-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}@media(max-width:800px){.app-grid{grid-template-columns:1fr}}

.choose-main>p.website-request{color:#c0e6d0;font-size:14px;line-height:1.6;margin:-14px 0 28px;padding-left:12px;border-left:2px solid #668b77}

.restriction-heading{margin-top:30px!important}.restriction-actions{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap}.restriction-actions label{flex:1;min-width:140px;max-width:240px;margin-bottom:0}.restriction-actions input{display:block;margin-top:7px}.restriction-actions button{margin-bottom:2px}