.settings-static-viewport{position:relative;width:100%;height:100%;overflow:hidden;display:grid;place-items:center;background:#eff1f3;color:#1f1f1f;font-family:Nunito,system-ui,-apple-system,Segoe UI,sans-serif;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.settings-static-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;background:#c9f5ff}.settings-static-bg__image{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;object-fit:cover;pointer-events:none}.settings-scaled-frame{position:relative;z-index:1;flex:none}.settings-canvas{position:absolute;inset:0 auto auto 0;width:1280px;height:800px;transform-origin:top left}.settings-profile-panel{position:absolute;left:40px;top:123px;width:352px;height:637px;overflow:hidden;border-radius:30px;background:#e9f7fd;box-shadow:0 8px 18px #04adff3d}.settings-profile-panel:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;border:12px solid #fff;border-radius:inherit;pointer-events:none}.settings-profile-panel__bg{position:absolute;top:-18px;right:-18px;bottom:-18px;left:-18px;z-index:0;width:calc(100% + 36px);height:calc(100% + 36px);max-width:none;object-fit:cover;object-position:center center}.settings-avatar-button{position:absolute;z-index:2;top:102px;left:50%;width:144px;height:144px;padding:8px;border:0;border-radius:50%;background:#fff;box-shadow:0 8px 16px #1b466329;transform:translate(-50%)}.settings-avatar-button img{display:block;width:100%;height:100%;border-radius:50%;object-fit:cover}.settings-nickname-row{position:absolute;z-index:2;top:282px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 24px;font-size:32px;line-height:40px;font-weight:700;color:#000}.settings-nickname-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-nickname-row button{flex:0 0 36px;width:36px;height:36px;padding:0;border:0;border-radius:50%;background:transparent}.settings-nickname-row img{display:block;width:36px;height:36px}.settings-panel{position:absolute;left:410px;top:123px;width:830px;height:637px;padding:24px;border:12px solid #fff;border-radius:30px;background:#e9f7fd;box-shadow:0 8px 18px #04adff3d;display:flex;flex-direction:column}.settings-panel__scroll{flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y;scrollbar-width:none;padding-bottom:24px}.settings-panel__scroll::-webkit-scrollbar{display:none}.settings-panel__actions{display:grid;gap:12px;margin-top:16px}.settings-info-card{width:100%;border-radius:14px;background:#fff}.settings-info-card--member{padding:24px;overflow:hidden}.settings-info-card--member.is-single{height:124px}.settings-info-card--member.is-double{height:162px}.settings-info-card--member.is-double .settings-member-row+.settings-member-row{margin-top:9px}.settings-member-row{display:flex;align-items:center;justify-content:space-between;height:32px;gap:16px;color:#6f737c;font-size:24px;line-height:32px}.settings-member-row+.settings-member-row{margin-top:12px}.settings-member-row__course{min-width:0;display:flex;align-items:center;gap:8px}.settings-member-row__course>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-course-info-button{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;margin:-6px -11px;padding:0;border:0;border-radius:50%;background:transparent;touch-action:manipulation}.settings-course-info-button img{display:block;width:22px;height:22px;object-fit:contain}.settings-member-row strong{flex:0 0 auto;color:#1f1f1f;font-weight:400}.settings-info-card--switch{height:86px;margin-top:10px;padding:24px;display:flex;align-items:center;justify-content:space-between;color:#6f737c;font-size:24px;line-height:32px}.settings-switch{position:relative;flex:0 0 68px;width:68px;height:38px;padding:0;border:0;border-radius:999px;background:#cfd7df;transition:background .16s ease;touch-action:manipulation}.settings-switch:focus-visible,.settings-course-info-button:focus-visible,.settings-list-row:focus-visible,.settings-logout-button:focus-visible,.settings-account-deletion-button:focus-visible,.settings-dialog-button:focus-visible,.settings-avatar-button:focus-visible,.settings-nickname-row button:focus-visible{outline:3px solid rgb(4 173 255 / 40%);outline-offset:3px}.settings-course-info-dialog>.app-dialog-content{margin-top:16px}.settings-course-info-dialog>.app-dialog-footer{margin-top:24px}.settings-course-info-dialog .app-dialog-button{width:100%}.settings-switch span{position:absolute;top:2px;left:2px;width:34px;height:34px;border-radius:50%;background:#fff;box-shadow:0 2px 6px #00000024;transition:transform .16s ease}.settings-switch.is-on{background:#04adff}.settings-switch:disabled{cursor:not-allowed;opacity:.55}.settings-switch.is-on span{transform:translate(30px)}.settings-status-banner{position:absolute;left:24px;right:24px;top:-54px;height:40px;display:grid;place-items:center;border-radius:20px;background:#ffffffe0;color:var(--color-text-secondary, #5f6368);font-size:18px;line-height:24px;font-weight:700}.settings-status-banner.is-error,.settings-inline-error,.settings-dialog-error{color:#b42318}.settings-inline-error{margin:6px 24px 0;font-size:15px;line-height:20px;font-weight:700}.settings-list-card{margin-top:10px;padding:16px 24px}.settings-list-row{width:100%;height:32px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0;border:0;background:transparent;color:#6f737c;font-size:24px;line-height:32px;text-align:left}.settings-list-row+.settings-list-row{margin-top:8px}.settings-list-row strong{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:8px;overflow:hidden;color:#8d929c;font-size:16px;line-height:26px;font-weight:400;white-space:nowrap;text-overflow:ellipsis}.settings-more-icon{display:block;flex:0 0 16px;width:16px;height:16px;object-fit:contain}.settings-list-row--version strong{font-size:16px}.settings-list-row--beian{height:auto;min-height:32px}.settings-list-row--beian .beian-links a{color:#8d929c;font-size:16px;line-height:26px;text-decoration:underline;white-space:nowrap}.settings-logout-button{width:100%;height:64px;border:2px solid #9ed5ef;border-radius:32px;background:#fff;color:#16628a;font-size:24px;line-height:32px;font-weight:700}.settings-dialog-content{margin-top:0;min-height:0;overflow:auto}.settings-dialog-description{width:min(432px,100%);min-height:52px;margin:0;color:#646974;font-size:18px;line-height:26px;font-weight:400;text-align:center}.settings-dialog-description--short{min-height:26px}.settings-dialog-error{margin:10px 0 0;text-align:center;font-size:16px;line-height:22px;font-weight:700}.settings-dialog-warning{margin:12px 0 0;color:#8a5a00;font-size:15px;line-height:22px;font-weight:700;text-align:center}.settings-dialog--apple-identity{width:min(520px,calc(100vw - 32px))}.settings-apple-identity{width:min(432px,100%)}.settings-apple-identity>div{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#646974;font-size:17px;line-height:24px}.settings-apple-identity>div+div{margin-top:8px}.settings-apple-identity strong{min-width:0;overflow:hidden;color:#1f1f1f;font-weight:700;text-align:right;text-overflow:ellipsis;white-space:nowrap}.settings-apple-identity .settings-dialog-description{margin-top:14px}.settings-dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:0}.settings-dialog-button{height:56px;border:0;border-radius:16px;color:#1f1f1f;font-size:20px;line-height:28px;font-weight:700;touch-action:manipulation}.settings-dialog-button:disabled{cursor:not-allowed;opacity:.45}.settings-dialog-button--secondary{background:var(--color-disabled-gray, #e8eaf0)}.settings-dialog-button--primary{background:#fff737}.settings-nickname-input{width:min(432px,100%);height:56px;border:0;border-radius:16px;background:var(--color-bg-soft, #f7f7f5);color:#1f1f1f;font:inherit;font-size:20px;line-height:28px;font-weight:700;text-align:center;outline:none}.settings-dialog-error{margin:14px 0 0;color:#c3261f;font-size:16px;line-height:24px;font-weight:700;text-align:center}.settings-dialog--avatar{width:min(480px,calc(100vw - 32px))}.settings-avatar-editor{display:grid;justify-items:center;gap:14px}.settings-avatar-file{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.settings-avatar-select,.settings-avatar-reselect{height:46px;border:0;border-radius:14px;background:#eaf7ff;color:#16628a;font-size:18px;line-height:24px;font-weight:800;padding:0 22px}.settings-avatar-select{width:250px;height:160px;border:2px dashed #75c9f2;background:#f4fbff}.settings-avatar-select:disabled,.settings-avatar-reselect:disabled{opacity:.55}.settings-avatar-crop{position:relative;width:248px;height:248px;overflow:hidden;border-radius:50%;background:#f1f3f5;box-shadow:inset 0 0 0 3px #fff,0 4px 14px #04adff2e;touch-action:none;cursor:grab}.settings-avatar-crop:active{cursor:grabbing}.settings-avatar-crop img{position:absolute;top:0;left:0;max-width:none;object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:none;transform-origin:top left}.settings-avatar-zoom{width:330px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;color:#404756;font-size:16px;line-height:24px;font-weight:700}.settings-avatar-zoom input{width:100%}.settings-dialog--contact{width:min(480px,calc(100vw - 32px))}.settings-customer-id{margin:0 auto 16px;text-align:center}.settings-customer-id-title{color:#5d6470;font-size:14px;line-height:20px}.settings-customer-id-row{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:8px}.settings-customer-id-value{color:#1f2430;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.08em;-webkit-user-select:all;user-select:all}.settings-customer-id-copy{border:1px solid #233142;border-radius:6px;padding:7px 10px;background:#fff;color:#233142;font-size:13px;cursor:pointer}.settings-customer-id-placeholder,.settings-customer-id-feedback{margin-top:8px;color:#5d6470;font-size:13px}.settings-contact-qr{display:block;width:min(286px,calc(100vw - 96px));height:min(286px,calc(86dvh - 250px));min-height:120px;margin:0 auto;object-fit:contain}.settings-contact-empty{width:286px;height:286px;margin:0 auto;display:grid;place-items:center;border-radius:14px;background:#f4f6f8;color:#8d929c;font-size:18px;line-height:26px;text-align:center}.settings-policy-viewport{overflow:hidden;align-items:start;padding:max(28px,env(safe-area-inset-top)) max(28px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) max(28px,env(safe-area-inset-left))}.settings-policy-page{--policy-layout-top: max( calc(116px + max(28px, env(safe-area-inset-top))) , var(--page-header-safe-top, var(--app-header-safe-top)));position:relative;z-index:1;width:min(960px,calc(100vw - 40px),var(--page-content-safe-width, 100vw));margin:calc(var(--policy-layout-top) - max(28px,env(safe-area-inset-top))) auto 0;height:min(calc(100vh - 144px),calc(100dvh - var(--policy-layout-top) - env(safe-area-inset-bottom)));display:flex;flex-direction:column;min-height:0}.settings-policy-header{position:relative;height:74px;display:grid;place-items:center}.settings-policy-header h1,.settings-simple-page h1{margin:0;font-size:32px;line-height:40px}.settings-policy-tabs{flex:0 0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:12px 0}.settings-policy-tabs button{height:54px;border:0;border-radius:14px;background:#fff;color:#6f737c;font-size:17px;font-weight:700}.settings-policy-tabs button.is-active{background:#04adff;color:#fff}.settings-policy-card{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;border:12px solid #fff;border-radius:30px;background:#fff;padding:34px 42px;box-shadow:0 8px 18px #04adff2e}.settings-policy-card h2{margin:0 0 20px;font-size:28px;line-height:36px}.settings-policy-card h3{margin:28px 0 12px;color:#1f1f1f;font-size:22px;line-height:30px}.settings-policy-card p{margin:0 0 16px;color:#555b66;font-size:18px;line-height:1.8}.settings-policy-card ul{margin:0 0 16px 24px;padding:0;color:#555b66;font-size:18px;line-height:1.8}.settings-policy-card hr{border:0;border-top:1px solid #e7eaf0;margin:24px 0}.settings-simple-page{position:relative;z-index:1;width:min(720px,calc(100vw - 40px));min-height:320px;display:grid;place-items:center;border:12px solid #fff;border-radius:30px;background:#fff;box-shadow:0 8px 18px #04adff2e}.settings-simple-page__content{text-align:center}.settings-simple-page__content p{margin:12px 0 0;color:#646974;font-size:20px;line-height:28px}.diagnostic-viewport{display:block;overflow:hidden}.diagnostic-scroll-shell{position:absolute;z-index:1;inset:var(--app-scroll-content-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.diagnostic-page{position:relative;z-index:1;width:min(920px,calc(100% - 40px));margin:0 auto;padding-bottom:40px}.diagnostic-card{width:100%;margin-top:14px;padding:18px 20px;border:8px solid #fff;border-radius:24px;background:#fffffff0;box-shadow:0 8px 18px #04adff29}.diagnostic-card:first-child{margin-top:0}.diagnostic-card h2{margin:0 0 12px;color:#1f1f1f;font-size:18px;line-height:24px;font-weight:800}.diagnostic-rows{display:grid;gap:8px}.diagnostic-row{display:grid;grid-template-columns:minmax(120px,.36fr) minmax(0,1fr);gap:14px;align-items:start;color:#6f737c;font-size:14px;line-height:20px}.diagnostic-row span{font-weight:700}.diagnostic-row strong{min-width:0;overflow-wrap:anywhere;color:#1f1f1f;font-weight:600}.diagnostic-events{max-height:248px;overflow-y:auto;padding:12px;border-radius:14px;background:#f7fbff;color:#1f1f1f;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:19px}.diagnostic-event{display:grid;grid-template-columns:72px 160px minmax(0,1fr);gap:10px;padding:4px 0;border-bottom:1px solid rgb(111 115 124 / 12%)}.diagnostic-event--wide{grid-template-columns:72px minmax(190px,.42fr) minmax(0,1fr)}.diagnostic-event:last-child{border-bottom:0}.diagnostic-event span{color:#6f737c}.diagnostic-event strong{color:#1f1f1f;font-weight:800}.diagnostic-event em{min-width:0;overflow-wrap:anywhere;color:#555b66;font-style:normal}.diagnostic-empty{margin:0;color:#6f737c}.diagnostic-export-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}.diagnostic-primary-button,.diagnostic-secondary-button{min-width:156px;height:44px;border:0;border-radius:14px;background:#04adff;color:#fff;font-size:15px;line-height:20px;font-weight:800;touch-action:manipulation}.diagnostic-secondary-button{border:2px solid #04adff;background:#fff;color:#038dd1}.diagnostic-primary-button:focus-visible,.diagnostic-secondary-button:focus-visible,.diagnostic-nav-grid a:focus-visible{outline:3px solid rgb(4 173 255 / 40%);outline-offset:3px}.diagnostic-primary-button:disabled,.diagnostic-secondary-button:disabled{cursor:not-allowed;opacity:.45}.diagnostic-nav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.diagnostic-nav-grid a{display:grid;min-height:44px;place-items:center;border-radius:14px;background:#eaf7ff;color:#16628a;font-size:14px;line-height:20px;font-weight:800;text-decoration:none}.diagnostic-submission-list,.diagnostic-saved-results{display:grid;gap:10px}.diagnostic-submission-list div{display:grid;grid-template-columns:96px minmax(120px,1fr) 92px 84px minmax(0,1fr);gap:10px;align-items:center;min-height:34px;padding:8px 10px;border-radius:12px;background:#f7fbff;color:#555b66;font-size:13px;line-height:18px}.diagnostic-submission-list strong{color:#1f1f1f}.diagnostic-submission-list em{min-width:0;overflow-wrap:anywhere;font-style:normal}.diagnostic-saved-results>div{padding:10px;border-radius:12px;background:#f7fbff}.user-diagnostics-viewport{display:block;overflow:hidden}.user-diagnostics-scroll-shell{position:absolute;z-index:1;inset:var(--app-scroll-content-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.user-diagnostics-page{width:min(760px,calc(100% - 40px));margin:0 auto;padding:10px 0 40px}.user-diagnostics-card{padding:24px}.user-diagnostics-card+.user-diagnostics-card{margin-top:16px}.user-diagnostics-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}.user-diagnostics-preview div{min-width:0;display:flex;align-items:center;justify-content:space-between;gap:14px;color:#6f737c;font-size:15px;line-height:22px}.user-diagnostics-preview strong{min-width:0;overflow-wrap:anywhere;color:#1f1f1f;text-align:right}.user-diagnostics-actions{display:grid;gap:14px}.user-diagnostics-action-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:4px 0}.user-diagnostics-action-row+.user-diagnostics-action-row{padding-top:18px;border-top:1px solid rgb(111 115 124 / 14%)}.user-diagnostics-action-row>div{display:grid;gap:3px}.user-diagnostics-action-row strong{color:#1f1f1f;font-size:17px;line-height:24px}.user-diagnostics-action-row span{color:#6f737c;font-size:14px;line-height:20px}.user-diagnostics-action-row button{flex:0 0 auto}.user-diagnostics-privacy{margin:14px 12px 0;color:#59636f;font-size:13px;line-height:20px;text-align:center}@media(max-width:900px),(max-height:620px){.settings-policy-tabs{grid-template-columns:1fr}.diagnostic-page{width:min(720px,calc(100% - 24px))}.diagnostic-row,.diagnostic-event,.diagnostic-submission-list div,.diagnostic-nav-grid{grid-template-columns:1fr}.diagnostic-event{gap:2px}.user-diagnostics-page{width:min(720px,calc(100% - 24px))}.user-diagnostics-preview{grid-template-columns:1fr}.user-diagnostics-action-row{align-items:stretch;flex-direction:column;gap:10px}.user-diagnostics-action-row button{width:100%}}.settings-account-deletion-button{width:100%;height:48px;border:0;background:transparent;color:#775861;font-size:18px;font-weight:700;text-decoration:underline;touch-action:manipulation}@media(max-height:520px)and (min-width:650px){.settings-policy-viewport{padding:0 max(16px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.settings-policy-page{--policy-layout-top: max(76px, var(--page-header-safe-top, var(--app-header-safe-top)));width:min(calc(100vw - 32px),var(--page-content-safe-width, 100vw));height:min(calc(100dvh - 88px),calc(100dvh - var(--policy-layout-top) - env(safe-area-inset-bottom)));margin:var(--policy-layout-top) auto 0}.settings-policy-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:4px 0 8px}.settings-policy-tabs button{height:38px;padding:0 4px;font-size:12px}.settings-policy-card{border-width:6px;border-radius:18px;padding:14px 18px}.user-diagnostics-page{padding-top:6px}.user-diagnostics-card{padding:12px 16px}.user-diagnostics-action-row{flex-direction:row;align-items:center;gap:8px}.user-diagnostics-action-row button{width:auto;min-width:160px}}.settings-account-deletion-button:disabled{opacity:.5}.settings-account-deletion-copy{display:grid;gap:10px;color:#5f6368;font-size:17px;line-height:25px}.settings-account-deletion-copy p{margin:0}.settings-dialog--account-deletion{width:min(540px,calc(100vw - 32px))}.settings-dialog--account-deletion .settings-dialog-button--primary{background:#d92d20;color:#fff}.placement-viewport{display:block;padding:0;font-family:var(--font-ui);color:var(--color-text)}.placement-shell{position:absolute;z-index:1;top:max(var(--app-header-bottom),var(--page-header-safe-top, var(--app-header-safe-top)));bottom:max(20px,env(safe-area-inset-bottom,0px));left:max(24px,calc(env(safe-area-inset-left,0px) + 16px));right:max(24px,calc(env(safe-area-inset-right,0px) + 16px));max-width:1080px;margin-inline:auto;display:flex;flex-direction:column;min-height:0;gap:var(--spacing-s)}.placement-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;padding:4px 4px 8px;scrollbar-width:thin;scrollbar-color:var(--color-primary) transparent}.placement-card{border:4px solid var(--color-white);border-radius:var(--radius-xxl);background:var(--color-white);box-shadow:var(--shadow-soft);padding:var(--spacing-m)}.placement-card h2,.placement-card h3,.placement-card p{margin:0}.placement-card h2{font-size:28px;line-height:1.4}.placement-card h3{font-size:21px;line-height:1.5}.placement-card p{font-size:18px;line-height:1.75;color:var(--color-text-secondary)}.placement-eyebrow{font-size:15px!important;letter-spacing:.04em;color:var(--home-color-stage-blue)!important;font-weight:700}.placement-actions{flex:0 0 auto;display:flex;justify-content:center;gap:var(--spacing-s);padding:2px 4px}.placement-button{min-height:56px;width:min(280px,45%);border:0;border-radius:var(--radius-m);padding:10px 20px;background:var(--color-yellow);color:var(--color-text);font:700 20px/1.4 var(--font-ui);box-shadow:var(--shadow-soft);touch-action:manipulation}.placement-button--secondary{background:var(--color-white);border:2px solid var(--color-stroke)}.placement-button:disabled{background:var(--color-disabled-gray);color:var(--color-text-tertiary);box-shadow:none;cursor:not-allowed}.placement-intro{max-width:860px;min-height:100%;margin:auto;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:16px;background:linear-gradient(160deg,#f0fbff,var(--color-white) 55%)}.placement-intro h2{font-size:34px}.placement-intro-symbol{width:100px;height:94px;display:grid;place-items:center;position:relative;background:var(--color-white);border:4px solid 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