.studio-help-actions{position:relative;display:flex;align-items:center;gap:8px}.studio-guide-button,.studio-faq-menu>summary{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 12px;border:1px solid #394353;border-radius:10px;background:#1b212a;color:#dce3ec;text-decoration:none;font-size:12px;font-weight:750;cursor:pointer;list-style:none;white-space:nowrap}.studio-guide-button{border-color:rgba(255,122,61,.56);background:linear-gradient(135deg,rgba(255,116,50,.22),rgba(255,116,50,.07));color:#ffad82}.studio-guide-button:hover,.studio-faq-menu>summary:hover{transform:translateY(-1px);border-color:#ff7a3d;color:#fff}.studio-guide-button[aria-disabled="true"]{opacity:.7}.studio-guide-button.is-guided{animation:studio-guide-pulse 1.6s ease-in-out infinite}.studio-guide-coach{position:absolute;z-index:450;top:46px;left:0;width:278px;padding:16px;border:1px solid #ff8952;border-radius:14px;background:#202731;color:#f5f7fa;box-shadow:0 18px 45px rgba(0,0,0,.42)}.studio-guide-coach:before{content:'';position:absolute;top:-7px;left:28px;width:12px;height:12px;border-top:1px solid #ff8952;border-left:1px solid #ff8952;background:#202731;transform:rotate(45deg)}.studio-guide-coach strong{display:block;padding-right:22px;font-size:14px}.studio-guide-coach p{margin:7px 0 13px;color:#aeb8c5;font-size:12px;line-height:1.65}.studio-guide-coach-close{position:absolute;top:7px;right:9px;width:27px;height:27px;padding:0;border:0;background:transparent;color:#9ca7b5;font-size:22px;line-height:1;cursor:pointer}.studio-guide-coach-ok{min-height:32px;padding:0 15px;border:0;border-radius:9px;background:#f2692f;color:#fff;font-size:12px;font-weight:800;cursor:pointer}.studio-faq-menu{position:relative}.studio-faq-menu>summary::-webkit-details-marker{display:none}.studio-faq-panel{position:absolute;z-index:300;top:43px;right:0;display:grid;width:260px;gap:8px;padding:17px;border:1px solid #3c4552;border-radius:14px;background:linear-gradient(155deg,#202731,#171c23);box-shadow:0 22px 55px rgba(0,0,0,.48)}.studio-faq-panel span{color:#ff8b55;font-size:10px;font-weight:850;letter-spacing:.13em}.studio-faq-panel strong{font-size:15px}.studio-faq-panel p{margin:0;color:#919dac;font-size:11px;line-height:1.65}.studio-faq-panel a{padding:9px 11px;border-radius:9px;background:#f2692f;color:#fff;text-align:center;text-decoration:none;font-size:12px;font-weight:800}.studio-faq-panel a[aria-disabled="true"]{background:#343b45;color:#8f98a5;cursor:not-allowed}.help-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.help-link-grid .wide{grid-column:1/-1}.help-link-admin input{width:100%}@keyframes studio-guide-pulse{0%,100%{box-shadow:0 0 0 0 rgba(242,105,47,0)}50%{box-shadow:0 0 0 5px rgba(242,105,47,.2)}}
html[data-theme="light"] .studio-guide-button,html[data-theme="light"] .studio-faq-menu>summary{border-color:#d8dde4;background:#fff;color:#505967}html[data-theme="light"] .studio-guide-button{border-color:#efb08f;background:#fff4ec;color:#ac4d20}html[data-theme="light"] .studio-guide-coach{border-color:#ef9b70;background:#fff;color:#27313d;box-shadow:0 18px 40px rgba(42,50,61,.18)}html[data-theme="light"] .studio-guide-coach:before{border-color:#ef9b70;background:#fff}html[data-theme="light"] .studio-guide-coach p{color:#687482}html[data-theme="light"] .studio-faq-panel{border-color:#dce1e7;background:#fff;box-shadow:0 20px 45px rgba(42,50,61,.16)}html[data-theme="light"] .studio-faq-panel p{color:#65707c}
@media(max-width:900px){.studio-help-actions{order:10}.studio-guide-button,.studio-faq-menu>summary{padding:0 9px}.studio-guide-button{font-size:0}.studio-guide-button:after{content:'教程';font-size:11px}.studio-guide-coach{width:min(278px,calc(100vw - 24px))}.help-link-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.studio-guide-button.is-guided{animation:none}}
.studio-topbar>.studio-logo{justify-self:start;width:max-content;max-width:100%;padding-right:4px}
.studio-classroom-button{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 13px;border:1px solid #ffcf63;border-radius:10px;background:linear-gradient(135deg,#ffda75,#ffb33f);color:#402609;text-decoration:none;font-size:12px;font-weight:800;white-space:nowrap;box-shadow:0 3px 12px rgba(255,180,55,.24)}
.studio-classroom-button:hover{background:linear-gradient(135deg,#ffe398,#ffc45e);color:#402609;transform:translateY(-1px)}
.studio-classroom-button:focus-visible{outline:2px solid #8f79ff;outline-offset:3px}
.studio-help-actions:has(.studio-classroom-button) .studio-guide-coach{left:auto;right:0}
.studio-help-actions:has(.studio-classroom-button) .studio-guide-coach:before{left:auto;right:45px}
@media(max-width:900px){.studio-classroom-button{padding:0 10px;font-size:11px}.studio-help-actions:has(.studio-classroom-button) .studio-guide-coach:before{right:16px}}
@media(max-width:900px){.studio-topbar-compact:has(.studio-classroom-button){height:auto;min-height:68px;grid-template-columns:minmax(0,1fr);gap:10px;padding:12px 14px}.studio-topbar-compact:has(.studio-classroom-button) .studio-top-actions{min-width:0;flex-wrap:wrap;gap:8px}.studio-topbar-compact:has(.studio-classroom-button) .studio-help-actions{order:0}}

.studio-customer-service-button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:9px 11px;border:1px solid #22b976;border-radius:9px;background:linear-gradient(135deg,#1ca968,#16864f);color:#fff;font-family:inherit;font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 3px 10px #15915b26}
.studio-customer-service-button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.studio-customer-service-button:hover{background:linear-gradient(135deg,#20b875,#16995a);border-color:#40ce93}
.studio-customer-service-button:focus-visible,.customer-service-close:focus-visible,.customer-service-retry:focus-visible{outline:3px solid #f29966;outline-offset:3px}
.customer-service-dialog{--customer-text:#edf4f2;--customer-muted:#a0b3af;--customer-surface:#1d2927;--customer-line:#34443f;box-sizing:border-box;width:min(390px,calc(100vw - 32px));max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);margin:auto;padding:0;overflow:auto;border:1px solid var(--customer-line);border-radius:22px;background:var(--customer-surface);color:var(--customer-text);box-shadow:0 30px 90px #0006;text-align:center}
.customer-service-dialog::backdrop{background:rgba(9,19,22,.62);backdrop-filter:blur(5px)}
.customer-service-card{position:relative;padding:26px 26px 18px;background:radial-gradient(ellipse at top,#28b97816,transparent 52%)}
.customer-service-close{position:absolute;top:13px;right:13px;display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid var(--customer-line);border-radius:50%;background:var(--customer-surface);color:var(--customer-muted);font-size:25px;line-height:1;cursor:pointer}
.customer-service-close:hover{background:#219b5d16;color:var(--customer-text)}
.customer-service-brand{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 10px;border:1px solid #26b7793d;border-radius:18px;background:linear-gradient(145deg,#36c688,#16945a);color:#fff;box-shadow:0 8px 20px #16a26226}
.customer-service-brand svg{width:32px;height:32px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.customer-service-eyebrow{display:block;color:#4ed99b;font-size:11px;font-weight:750;letter-spacing:.14em}
.customer-service-card h2{margin:7px 0 7px;color:var(--customer-text);font-size:23px;font-weight:800;line-height:1.35;letter-spacing:-.02em}
.customer-service-description{margin:0 0 20px;color:var(--customer-muted);font-size:13px;line-height:1.6}
.customer-service-qr{box-sizing:border-box;width:min(272px,100%);margin:0 auto;padding:16px;border:1px solid #e2ebe6;border-radius:16px;background:#fff;box-shadow:0 6px 22px #0e241617}
.customer-service-qr img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#fff;border:0;border-radius:0}
.customer-service-status{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;box-sizing:border-box;min-height:240px;padding:25px 15px;border:1px dashed var(--customer-line);border-radius:16px;background:#28b97808}
.customer-service-state-icon{display:block;width:32px;height:32px;border:3px solid #2bb8773d;border-top-color:#34c689;border-radius:50%;animation:customer-service-spin .8s linear infinite}
.customer-service-status strong{font-size:14px;font-weight:750;color:var(--customer-text)}
.customer-service-status p{margin:0;color:var(--customer-muted);font-size:12px;line-height:1.7}
.customer-service-dialog[data-customer-service-state="error"] .customer-service-state-icon,.customer-service-dialog[data-customer-service-state="empty"] .customer-service-state-icon{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--customer-line);border-radius:12px;animation:none;background:#28b97812}
.customer-service-dialog[data-customer-service-state="empty"] .customer-service-state-icon:before{content:'…';color:#55cb98;font-size:25px;line-height:1}
.customer-service-dialog[data-customer-service-state="error"] .customer-service-state-icon:before{content:'!';color:#eaae76;font-size:23px;font-weight:750}
.customer-service-retry{min-height:35px;margin-top:13px;padding:7px 17px;border:1px solid #2ba96d;border-radius:9px;background:#1a9c5e;color:white;font-size:12px;font-weight:750;cursor:pointer}
.customer-service-retry:hover{background:#18aa64}
.customer-service-instructions{margin-top:15px}
.customer-service-instructions p{margin:0;color:var(--customer-text);font-size:12px;line-height:1.7}
.customer-service-instructions span{display:block;margin-top:5px;color:var(--customer-muted);font-size:11px;line-height:1.7}
.customer-service-footer{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:20px;padding-top:14px;border-top:1px solid var(--customer-line);color:var(--customer-muted);font-size:10px;line-height:1.5;letter-spacing:.02em}
.customer-service-footer i{width:5px;height:5px;border-radius:50%;background:#35b779}
.customer-service-dialog [hidden]{display:none!important}
html[data-theme="light"] .customer-service-dialog{--customer-text:#233e32;--customer-muted:#6d8076;--customer-surface:#fff;--customer-line:#e0ebe5;box-shadow:0 30px 90px #09271833}
html[data-theme="light"] .customer-service-eyebrow{color:#19915a}
html[data-theme="light"] .customer-service-close{background:#f4f8f5}
@keyframes customer-service-spin{to{transform:rotate(360deg)}}
@media(max-width:480px){.studio-faq-panel{max-width:calc(100vw - 28px)}.customer-service-card{padding:25px 20px 17px}.customer-service-card h2{font-size:21px}.customer-service-brand{width:50px;height:50px;border-radius:16px}.customer-service-description{margin-bottom:17px}.customer-service-dialog{border-radius:19px}.customer-service-instructions span{font-size:10px}}
@media(prefers-reduced-motion:reduce){.customer-service-state-icon{animation:none}.customer-service-dialog::backdrop{backdrop-filter:none}}