.public-shell{background:var(--mandora-paper);min-height:100vh;color:var(--mandora-ink)}.public-container{width:min(1180px,100% - 40px);margin:0 auto}.public-skip-link{z-index:1000;background:var(--mandora-ink);color:#fff;border-radius:10px;padding:10px 14px;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.public-skip-link:focus{transform:translateY(0)}.public-header{z-index:100;border-bottom:1px solid color-mix(in srgb, var(--mandora-line) 78%, transparent);background:color-mix(in srgb, var(--mandora-paper) 92%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:sticky;top:0}.public-header__inner{align-items:center;gap:28px;min-height:76px;display:flex}.mandora-brand{flex:none;align-items:center;gap:11px;display:inline-flex}.mandora-brand__mark{background:var(--mandora-red-700);color:#fff;width:42px;height:42px;font-family:var(--font-display);border-radius:14px 14px 14px 5px;place-items:center;font-size:1.35rem;font-weight:800;display:grid;box-shadow:0 10px 24px #ad2f4333}.mandora-brand__copy{gap:1px;display:grid}.mandora-brand__copy strong{color:var(--mandora-ink);font-family:var(--font-display);letter-spacing:-.025em;font-size:1.22rem;line-height:1}.mandora-brand__copy small{color:var(--mandora-muted);font-size:.66rem;font-weight:650}.mandora-brand--inverse .mandora-brand__mark{color:var(--mandora-red-700);box-shadow:none;background:#fff}.mandora-brand--inverse .mandora-brand__copy strong,.mandora-brand--inverse .mandora-brand__copy small{color:#fff}.public-nav{align-items:center;gap:clamp(11px,1.6vw,25px);margin-left:auto;display:flex}.public-nav a{color:var(--mandora-muted);white-space:nowrap;padding:10px 0;font-size:.88rem;font-weight:700;position:relative}.public-nav a:after{background:var(--mandora-red-600);content:"";border-radius:99px;height:2px;transition:transform .18s;position:absolute;bottom:3px;left:0;right:0;transform:scaleX(0)}.public-nav a:hover,.public-nav a.is-active,.public-nav a[aria-current=page]{color:var(--mandora-ink)}.public-nav a:hover:after,.public-nav a.is-active:after,.public-nav a[aria-current=page]:after{transform:scaleX(1)}.public-nav .public-nav__login{border:1px solid var(--mandora-red-700);color:var(--mandora-red-700);border-radius:999px;padding:10px 16px}.public-nav .public-nav__login:after{display:none}.public-nav .public-nav__login:hover,.public-nav .public-nav__login[aria-current=page]{background:var(--mandora-red-700);color:#fff}.public-header__utilities{align-items:center;gap:9px;display:flex}.public-menu-toggle{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:12px;width:42px;height:42px;padding:10px;display:none}.public-menu-toggle span{background:var(--mandora-ink);border-radius:2px;height:2px;margin:4px 0;transition:transform .18s,opacity .18s;display:block}.public-menu-toggle.is-open span:first-child{transform:translateY(6px)rotate(45deg)}.public-menu-toggle.is-open span:nth-child(2){opacity:0}.public-menu-toggle.is-open span:last-child{transform:translateY(-6px)rotate(-45deg)}.public-eyebrow{color:var(--mandora-red-700);letter-spacing:.13em;text-transform:uppercase;margin:0 0 14px;font-size:.75rem;font-weight:800}.public-eyebrow--light{color:#ffd8a1}.mandora-hero{background:radial-gradient(circle at 85% 15%, #e7a92f38, transparent 28%), radial-gradient(circle at 4% 90%, #24685e1c, transparent 28%), var(--mandora-paper);padding:clamp(72px,9vw,128px) 0 clamp(76px,9vw,120px);position:relative;overflow:hidden}.mandora-hero:before{content:"";background-image:linear-gradient(#8f243609 1px,#0000 1px),linear-gradient(90deg,#8f243609 1px,#0000 1px);background-size:44px 44px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 88%);mask-image:linear-gradient(#000,#0000 88%)}.mandora-hero__grid{grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:clamp(44px,8vw,100px);display:grid;position:relative}.mandora-hero__copy h1{max-width:780px;color:var(--mandora-ink);font-family:var(--font-display);letter-spacing:-.06em;margin:0;font-size:clamp(3.25rem,6.4vw,6.7rem);line-height:.96}.mandora-hero__copy h1 span{color:var(--mandora-red-700);display:block}.mandora-hero__lead{max-width:650px;color:var(--mandora-muted);margin:28px 0 0;font-size:clamp(1rem,1.5vw,1.16rem);line-height:1.78}.mandora-hero__actions{flex-wrap:wrap;gap:13px;margin-top:34px;display:flex}.button{border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 21px;font-weight:800;transition:transform .18s,box-shadow .18s,background .18s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--mandora-red-700);color:#fff;box-shadow:0 14px 30px #ad2f4338}.button--primary:hover{background:var(--mandora-red-800);box-shadow:0 18px 36px #ad2f4347}.button--secondary{border-color:var(--mandora-line);color:var(--mandora-ink);background:#ffffffb3}.button--light{color:var(--mandora-red-800);background:#fff}.mandora-hero__visual{place-items:center;min-height:460px;display:grid;position:relative}.mandora-hero__halo{aspect-ratio:1;border:1px solid #ad2f4321;border-radius:50%;width:min(410px,90%);position:absolute}.mandora-hero__halo:before,.mandora-hero__halo:after{content:"";border:1px solid #ad2f431a;border-radius:50%;position:absolute}.mandora-hero__halo:before{inset:38px}.mandora-hero__halo:after{inset:76px}.learning-card{z-index:2;width:min(320px,82%);min-height:350px;box-shadow:var(--mandora-shadow);text-align:center;background:#ffffffeb;border:1px solid #ad2f431f;border-radius:34px 34px 34px 10px;place-items:center;padding:32px;display:grid;position:relative;transform:rotate(-2deg)}.learning-card__label{color:var(--mandora-muted);letter-spacing:.09em;text-transform:uppercase;font-size:.72rem;font-weight:750}.learning-card strong{color:var(--mandora-red-700);font-family:serif;font-size:clamp(5.8rem,10vw,8rem);font-weight:500;line-height:1}.learning-card__pinyin{color:var(--mandora-jade-700);letter-spacing:.08em;font-size:1.2rem;font-weight:800}.learning-card p{color:var(--mandora-muted);margin:0}.learning-orbit{z-index:3;background:var(--mandora-jade-100);color:var(--mandora-jade-700);border:1px solid #24685e29;border-radius:999px;padding:9px 13px;font-size:.74rem;font-weight:800;position:absolute;box-shadow:0 10px 24px #24685e1a}.learning-orbit--one{top:17%;right:-1%}.learning-orbit--two{bottom:18%;left:-1%}.mandora-section{background:var(--mandora-paper);padding:clamp(78px,9vw,120px) 0}.mandora-section--tinted{background:var(--mandora-surface)}.section-heading{grid-template-columns:minmax(0,1fr) minmax(280px,.62fr);align-items:end;gap:50px;margin-bottom:42px;display:grid}.section-heading--compact{grid-template-columns:1fr}.section-heading h2,.mandora-cta h2,.foundation-page h1,.student-access-card h1{color:var(--mandora-ink);font-family:var(--font-display);letter-spacing:-.045em;margin:0;font-size:clamp(2.3rem,4vw,4.35rem);line-height:1.03}.section-heading>p{color:var(--mandora-muted);margin:0;line-height:1.75}.learning-area-grid{border-top:1px solid var(--mandora-line);grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.learning-area-card{border-right:1px solid var(--mandora-line);flex-direction:column;min-height:310px;padding:24px 20px;transition:background .18s,transform .18s;display:flex;position:relative}.learning-area-card:first-child{border-left:1px solid var(--mandora-line)}.learning-area-card:hover{z-index:1;background:var(--mandora-red-700);color:#fff;transform:translateY(-8px)}.learning-area-card__index{color:var(--mandora-red-700);font-size:.76rem;font-weight:850}.learning-area-card>p{color:var(--mandora-muted);letter-spacing:.1em;text-transform:uppercase;margin:auto 0 5px;font-size:.72rem;font-weight:750}.learning-area-card h3{margin:0 0 15px;font-size:1.45rem}.learning-area-card>span:not(.learning-area-card__index){color:var(--mandora-muted);font-size:.9rem;line-height:1.62}.learning-area-card i{color:var(--mandora-red-700);margin-top:20px;font-style:normal}.learning-area-card:hover>p,.learning-area-card:hover>span,.learning-area-card:hover i{color:#ffffffd1}.principle-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.principle-grid article{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius);background:var(--mandora-paper);padding:30px}.principle-grid article>span{color:var(--mandora-red-700);font-size:.75rem;font-weight:850}.principle-grid h3{margin:38px 0 10px;font-size:1.2rem}.principle-grid p{color:var(--mandora-muted);margin:0;line-height:1.65}.mandora-cta{background:var(--mandora-surface);padding:32px 0 70px}.mandora-cta__inner{border-radius:var(--mandora-radius-lg) var(--mandora-radius-lg) var(--mandora-radius-lg) 10px;background:radial-gradient(circle at 90% 15%, #e7a92f47, transparent 30%), var(--mandora-red-800);justify-content:space-between;align-items:center;gap:30px;padding:clamp(36px,6vw,70px);display:flex}.mandora-cta h2{color:#fff;max-width:700px;font-size:clamp(2rem,4vw,4rem)}.public-footer{color:#fff;background:#241b1c;padding:62px 0 26px}.public-footer__grid{grid-template-columns:1fr;gap:42px;padding-bottom:48px;display:grid}.public-footer__grid.has-map{grid-template-columns:minmax(260px,.72fr) minmax(420px,1.28fr);align-items:start}.public-footer__intro>p{color:#ffffffa6;max-width:440px;margin:24px 0 0;line-height:1.7}.public-footer__nav{grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:12px 28px;margin-top:28px;display:grid}.public-footer__nav a{color:#ffffffb8;font-weight:650}.public-footer__nav a:hover{color:#fff}.public-footer__map{min-width:0}.public-footer__map .spg-map-embed{border-color:#ffffff24;border-radius:22px 22px 22px 8px;box-shadow:0 24px 60px #0000003d}.public-footer__map .spg-map-embed iframe{min-height:300px}.public-footer__bottom{color:#ffffff8c;border-top:1px solid #ffffff1f;justify-content:space-between;gap:20px;padding-top:24px;font-size:.82rem;display:flex}.public-back-to-top{z-index:80;background:var(--mandora-red-700);color:#fff;cursor:pointer;opacity:0;pointer-events:none;border-radius:50%;place-items:center;width:44px;height:44px;transition:opacity .18s,transform .18s;display:grid;position:fixed;bottom:22px;right:22px;transform:translateY(12px);box-shadow:0 12px 28px #ad2f4340}.public-back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.foundation-page{background:radial-gradient(circle at 92% 8%, #e7a92f2e, transparent 25%), var(--mandora-paper);min-height:62vh;padding:clamp(84px,10vw,140px) 0}.foundation-page__inner{max-width:900px}.foundation-page__inner>p:not(.public-eyebrow){max-width:690px;color:var(--mandora-muted);margin:24px 0 0;font-size:1.08rem;line-height:1.75}.foundation-page__status,.student-access-card__notice{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius);background:#fff;align-items:center;gap:20px;max-width:760px;margin:42px 0 30px;padding:24px;display:flex;box-shadow:0 14px 40px #4a2d220f}.student-auth-form{gap:16px;margin-top:26px;display:grid}.student-auth-form label{color:var(--mandora-ink);gap:7px;font-size:.82rem;font-weight:750;display:grid}.student-auth-form input{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:100%;color:var(--mandora-ink);border-radius:12px;padding:12px 14px}.student-auth-form__error{color:var(--mandora-red-700);margin:0}.student-auth-form__aside{color:var(--mandora-red-700);justify-content:flex-end;margin-top:-8px;font-size:.86rem;font-weight:750;display:flex}.student-access-card__notice.is-error{background:var(--mandora-red-100);border-color:#c23b4f59}.public-nav button.public-nav__login{cursor:pointer;font:inherit;border:0}.home-vocabulary__character{border-radius:var(--mandora-radius-lg);background:var(--mandora-red-700);color:#fff;min-height:310px;font-family:var(--font-chinese);place-items:center;font-size:clamp(7rem,15vw,12rem);display:grid}.foundation-page__status>span,.student-access-card__notice>span{background:var(--mandora-gold-100);width:56px;height:56px;color:var(--mandora-red-700);border-radius:18px 18px 18px 6px;flex:none;place-items:center;font-family:serif;font-size:1.6rem;display:grid}.foundation-page__status strong,.student-access-card__notice strong{margin-bottom:5px;display:block}.foundation-page__status p,.student-access-card__notice p{color:var(--mandora-muted);margin:0;line-height:1.55}.text-link{color:var(--mandora-red-700);font-weight:800}.foundation-page__inner--centered{text-align:center;justify-items:center;display:grid}.foundation-page__inner--centered .button{margin-top:30px}.not-found-code{color:var(--mandora-red-100);margin-bottom:10px;font-size:clamp(5rem,14vw,10rem);font-weight:900;line-height:.8}.auth-layout{background:radial-gradient(circle at 15% 20%, #24685e24, transparent 30%), radial-gradient(circle at 85% 80%, #e7a92f30, transparent 30%), var(--mandora-surface);min-height:100vh;padding:24px}.auth-layout__topbar{justify-content:space-between;align-items:center;width:min(1180px,100%);margin:0 auto;display:flex}.auth-layout__topbar>a:last-child{color:var(--mandora-muted);font-size:.9rem;font-weight:750}.auth-layout__content{place-items:center;min-height:calc(100vh - 90px);padding:48px 0;display:grid}.student-access-card{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius-lg);width:min(620px,100%);box-shadow:var(--mandora-shadow);background:#fffdf8ed;padding:clamp(30px,6vw,56px)}.student-access-card>p:not(.public-eyebrow){color:var(--mandora-muted);margin:20px 0 0;line-height:1.7}.student-access-card__notice{background:var(--mandora-surface);box-shadow:none;margin-bottom:0}@media (width<=1080px){.public-nav{gap:12px}.public-nav a{font-size:.8rem}.mandora-hero__grid{grid-template-columns:minmax(0,1fr) minmax(320px,.75fr);gap:40px}.learning-area-grid{grid-template-columns:repeat(3,1fr)}.learning-area-card{border-bottom:1px solid var(--mandora-line)}}@media (width<=900px){.public-menu-toggle{display:block}.public-header__utilities{margin-left:auto}.public-nav{border-bottom:1px solid var(--mandora-line);background:var(--mandora-paper);flex-direction:column;align-items:stretch;gap:2px;max-height:calc(100vh - 76px);padding:20px;display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;overflow:auto;box-shadow:0 20px 40px #4a2d221f}.public-nav.is-open{display:flex}.public-nav a{padding:12px 8px;font-size:.94rem}.public-nav .public-nav__login{text-align:center;justify-content:center;margin-top:8px;padding:12px 16px}.mandora-hero__grid{grid-template-columns:1fr}.mandora-hero__visual{min-height:420px}.section-heading{grid-template-columns:1fr;gap:22px}.public-footer__grid.has-map{grid-template-columns:1fr}}@media (width<=700px){.public-container{width:min(100% - 28px,1180px)}.mandora-brand__copy small{display:none}.mandora-hero__copy h1{font-size:clamp(3rem,15vw,4.5rem)}.learning-orbit--one{right:0}.learning-orbit--two{left:0}.learning-area-grid,.principle-grid,.public-footer__grid{grid-template-columns:1fr}.learning-area-card,.learning-area-card:first-child{border-left:1px solid var(--mandora-line);min-height:240px}.mandora-cta__inner,.public-footer__bottom{flex-direction:column;align-items:flex-start}.public-footer__grid{gap:42px}.public-footer__map .spg-map-embed iframe{min-height:240px}.foundation-page__status,.student-access-card__notice{align-items:flex-start}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.public-event-banner{z-index:72;border-bottom:1px solid color-mix(in srgb,var(--mandora-red-700) 18%,var(--mandora-line));background:linear-gradient(90deg,#5c1924f0,#ad2f43e6),var(--event-background,none) center/cover;color:#fff;position:relative;overflow:hidden}.public-event-banner.is-info{background:linear-gradient(90deg,#294a5f,#426f7b),var(--event-background,none) center/cover}.public-event-banner.is-highlight{background:linear-gradient(90deg,#6d4b13,#aa7a20),var(--event-background,none) center/cover}.public-event-banner.is-celebration{background:linear-gradient(90deg,#772438,#ad2f43 55%,#a46f19),var(--event-background,none) center/cover}.public-event-banner__inner{justify-content:space-between;align-items:center;gap:18px;min-height:54px;padding-block:10px;display:flex}.public-event-banner__content{flex:1;align-items:center;gap:14px;min-width:0;display:flex}.public-event-banner strong{z-index:2;color:#fff;white-space:nowrap;flex:none;font-size:.83rem;position:relative}.public-event-banner__marquee{flex:1;min-width:0;overflow:hidden}.public-event-banner__marquee span{color:#ffffffe6;white-space:nowrap;min-width:max-content;font-size:.78rem;animation:16s linear infinite mandora-banner-ticker;display:inline-block}.public-event-banner a{color:#fff;flex:none;font-size:.76rem;font-weight:800;text-decoration:none}.public-event-banner a span{animation:none}@keyframes mandora-banner-ticker{0%,10%{transform:translate(0)}90%,to{transform:translate(calc(32vw - 100%))}}.public-notification-center{z-index:124;position:fixed;top:96px;right:22px}.public-notification-center__trigger{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:46px;height:46px;color:var(--mandora-red-700);box-shadow:var(--mandora-shadow);cursor:pointer;border-radius:50%;place-items:center;font-size:1.15rem;display:grid;position:relative}.public-notification-center__trigger b{border:2px solid var(--mandora-paper);background:var(--mandora-red-700);color:#fff;border-radius:999px;place-items:center;min-width:20px;height:20px;padding-inline:5px;font-size:.62rem;display:grid;position:absolute;top:-5px;right:-4px}.public-notification-center__panel{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:20px;width:min(390px,100vw - 32px);max-height:min(560px,100vh - 170px);position:absolute;top:58px;right:0;overflow:hidden;box-shadow:0 24px 70px #321f1938}.public-notification-center__panel>header{border-bottom:1px solid var(--mandora-line);justify-content:space-between;align-items:center;padding:16px 17px;display:flex}.public-notification-center__panel header div{display:grid}.public-notification-center__panel header small{color:var(--mandora-red-700);letter-spacing:.12em;text-transform:uppercase;font-size:.62rem;font-weight:900}.public-notification-center__panel header button{background:var(--mandora-surface);width:32px;height:32px;color:var(--mandora-muted);cursor:pointer;border:0;border-radius:50%}.public-notification-center__list{max-height:420px;padding:8px;display:grid;overflow:auto}.public-notification-center__list article{border-bottom:1px solid var(--mandora-line);cursor:pointer;border-radius:12px;align-items:flex-start;gap:10px;padding:13px 12px;transition:background .16s,opacity .16s;display:flex;position:relative}.public-notification-center__list article:last-child{border-bottom:0}.public-notification-center__list article.is-unread{background:color-mix(in srgb,var(--mandora-red-700) 8%,var(--mandora-paper))}.public-notification-center__list article.is-unread:before{content:"";background:var(--mandora-red-700);border-radius:50%;flex:none;width:7px;height:7px;margin-top:6px}.public-notification-center__list article.is-read{opacity:.7}.public-notification-center__item-copy{flex:1;min-width:0}.public-notification-center__list article strong{color:var(--mandora-ink);font-size:.86rem}.public-notification-center__list article.is-unread strong{font-weight:900}.public-notification-center__list article p{color:var(--mandora-muted);margin:4px 0 0;font-size:.78rem;line-height:1.5}.public-notification-center__list article a{color:var(--mandora-red-700);margin-top:7px;font-size:.74rem;font-weight:800;text-decoration:none;display:inline-block}.public-notification-center__dismiss{width:27px;height:27px;color:var(--mandora-muted);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.public-notification-center__dismiss:hover{background:var(--mandora-surface);color:var(--mandora-red-700)}.public-notification-center__footer{border-top:1px solid var(--mandora-line);padding:10px 12px 12px}.public-notification-center__footer button{border:1px solid var(--mandora-line);background:var(--mandora-surface);width:100%;min-height:40px;color:var(--mandora-ink);cursor:pointer;border-radius:10px;font-weight:800}.public-realtime-flash{z-index:140;border:1px solid var(--mandora-line);width:min(390px,100vw - 32px);box-shadow:var(--mandora-shadow);background:#fffdf8fa;border-radius:15px;align-items:center;gap:11px;padding:13px 15px;animation:.26s cubic-bezier(.22,1,.36,1) both mandora-toast-enter;display:flex;position:fixed;bottom:22px;right:22px}.public-realtime-flash>span{background:var(--mandora-jade-100);width:28px;height:28px;color:var(--mandora-jade-700);border-radius:9px;flex:none;place-items:center;font-weight:900;display:grid}.public-realtime-flash p{color:var(--mandora-ink);margin:0;font-size:.82rem}@media (width<=700px){.public-event-banner__inner,.public-event-banner__content{flex-direction:column;align-items:flex-start;gap:4px}.public-event-banner__marquee{width:100%;overflow:visible}.public-event-banner__marquee span{white-space:normal;min-width:0;animation:none}.public-event-banner__inner{gap:7px;padding-block:10px}.public-notification-center{top:78px;right:14px}.public-notification-center__panel{width:auto;max-height:calc(100vh - 150px);position:fixed;inset:132px 12px auto}}@media (prefers-reduced-motion:reduce){.public-realtime-flash,.public-event-banner__marquee span{animation:none}}.public-notification-center__bulk-actions{border-bottom:1px solid var(--mandora-line);flex-wrap:wrap;gap:8px;padding:10px 14px;display:flex}.public-notification-center__bulk-actions button{min-height:34px;padding:0 10px;font-size:.72rem;font-weight:800;border:1px solid var(--mandora-line)!important;width:auto!important;min-width:0!important;color:var(--mandora-jade-700)!important;background:var(--mandora-paper)!important;border-radius:8px!important}.public-notification-center__bulk-actions button:last-child{color:var(--mandora-red-700)!important}.public-notification-center__bulk-actions button:disabled{cursor:not-allowed;opacity:.5}.spg-map-embed{border:1px solid var(--public-line,#0b25451f);background:#e9efec;border-radius:22px;overflow:hidden;box-shadow:0 18px 50px #0b254514}.spg-map-embed iframe{border:0;width:100%;min-height:360px;display:block}.admin-map-preview{gap:12px;margin-top:18px;display:grid}.admin-map-preview__empty{color:#71807a;background:#ffffff94;border:1px dashed #0b25452e;border-radius:16px;padding:22px}.admin-map-preview .spg-map-embed iframe{min-height:300px}:root[data-theme=dark] .admin-map-preview__empty{color:#9fb0ab;background:#0e202b;border-color:#ffffff1f}@media (width<=720px){.spg-map-embed iframe{min-height:300px}}.global-search{z-index:220;place-items:start center;padding:clamp(70px,9vh,110px) 18px 24px;display:grid;position:fixed;inset:0}.global-search__scrim{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#19121285;border:0;position:absolute;inset:0}.global-search__panel{z-index:1;border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:26px;width:min(860px,100%);max-height:min(78vh,820px);padding:clamp(20px,3vw,30px);position:relative;overflow:auto;box-shadow:0 34px 90px #2b1e1c42}.global-search__header,.global-search__bar,.global-search__group>div>button,.global-search__handwriting-actions>div,.global-search__candidates button{align-items:center;display:flex}.global-search__header{justify-content:space-between;gap:20px;margin-bottom:20px}.global-search__header span,.global-search__handwriting>div:first-child>span{color:var(--mandora-red-700);letter-spacing:.12em;font-size:.68rem;font-weight:900}.global-search__header h2,.global-search__handwriting h3{margin:4px 0 0}.global-search__header>button{border:1px solid var(--mandora-line);background:0 0;border-radius:12px;width:40px;height:40px;font-size:1.35rem}.global-search__bar{border:1px solid var(--mandora-line);background:var(--mandora-surface);border-radius:16px;gap:10px;padding:8px 10px 8px 16px}.global-search__bar>span{color:var(--mandora-muted);font-size:1.35rem}.global-search__bar input{min-width:0;color:var(--mandora-ink);font:inherit;background:0 0;border:0;outline:0;flex:1}.global-search__bar button,.global-search__handwriting-actions button{border:1px solid var(--mandora-line);min-height:40px;color:var(--mandora-ink);background:var(--mandora-paper);border-radius:11px;padding:9px 13px;font-weight:750}.global-search__bar button.is-active,.global-search__handwriting-actions>button{border-color:var(--mandora-red-700);color:#fff;background:var(--mandora-red-700)}.global-search__results{gap:20px;margin-top:22px;display:grid}.global-search__group{gap:8px;display:grid}.global-search__group h3{color:var(--mandora-muted);letter-spacing:.1em;text-transform:uppercase;margin:0;font-size:.72rem}.global-search__group>div{border:1px solid var(--mandora-line);border-radius:14px;display:grid;overflow:hidden}.global-search__group>div>button{border:0;border-bottom:1px solid var(--mandora-line);width:100%;color:inherit;text-align:left;background:0 0;justify-content:space-between;gap:16px;padding:13px 15px}.global-search__group>div>button:last-child{border-bottom:0}.global-search__group>div>button:hover{background:var(--mandora-surface)}.global-search__group button span{gap:3px;min-width:0;display:grid}.global-search__group small{color:var(--mandora-muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.global-search__group i{color:var(--mandora-red-700);font-style:normal}.global-search__hint{color:var(--mandora-muted);background:var(--mandora-surface);border-radius:14px;padding:18px}.global-search__hint.is-error{color:var(--mandora-red-700)}.global-search__handwriting{border-top:1px solid var(--mandora-line);gap:18px;margin-top:22px;padding-top:22px;display:grid}.global-search__handwriting p{color:var(--mandora-muted);margin:7px 0 0;line-height:1.55}.global-search__handwriting-grid{grid-template-columns:minmax(230px,320px) minmax(0,1fr);align-items:start;gap:22px;display:grid}.global-search__handwriting-actions{gap:12px;display:grid}.global-search__handwriting-actions>div{gap:8px}.global-search__handwriting-actions>button:disabled{opacity:.55}.global-search__candidates{gap:7px;display:grid}.global-search__candidates button{border:1px solid var(--mandora-line);width:100%;color:inherit;background:var(--mandora-surface);text-align:left;border-radius:12px;justify-content:flex-start;gap:10px;padding:10px 12px}.global-search__candidates strong{width:38px;font-family:var(--font-chinese);font-size:1.7rem}.global-search__candidates span{color:var(--mandora-jade-700);font-weight:800}.global-search__candidates small{min-width:0;color:var(--mandora-muted);flex:1}.global-search__candidates i{color:var(--mandora-red-700);font-style:normal;font-weight:850}.public-global-search-button{border:1px solid var(--mandora-line);width:42px;height:42px;color:var(--mandora-ink);background:var(--mandora-paper);border-radius:13px;place-items:center;font-size:1.1rem;display:inline-grid}@media (width<=700px){.global-search{padding:66px 10px 10px}.global-search__panel{border-radius:20px;max-height:calc(100vh - 76px);padding:16px}.global-search__bar{flex-wrap:wrap;align-items:stretch}.global-search__bar input{flex-basis:calc(100% - 34px)}.global-search__bar button{width:100%}.global-search__handwriting-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.global-search *,.global-search :before,.global-search :after{scroll-behavior:auto!important;transition:none!important}}.theme-toggle{border:1px solid var(--mandora-line,#e4ddd3);background:var(--mandora-paper,#fff);min-height:42px;color:var(--mandora-ink,#202321);cursor:pointer;border-radius:13px;justify-content:center;align-items:center;gap:7px;padding:0 12px;transition:transform .18s,box-shadow .18s;display:inline-flex;box-shadow:0 7px 20px #4a2d220f}.theme-toggle:hover{transform:translateY(-2px);box-shadow:0 10px 24px #4a2d221c}.theme-toggle.is-compact{width:42px;height:42px;min-height:42px;padding:0}.theme-toggle span{font-size:1rem}.theme-toggle small{font-size:.72rem;font-weight:750}:root[data-theme=dark]{--mandora-ink:#f6eee8;--mandora-muted:#b7aaa4;--mandora-paper:#191516;--mandora-surface:#231d1e;--mandora-line:#413638;--mandora-red-100:#4c262e;--mandora-gold-100:#4c3a20;--mandora-jade-100:#1f3b36;color:#f6eee8;background:#191516}:root[data-theme=dark] body,:root[data-theme=dark] .public-shell,:root[data-theme=dark] .auth-layout{background-color:var(--mandora-paper);color:var(--mandora-ink)}:root[data-theme=dark] .public-header,:root[data-theme=dark] .public-nav,:root[data-theme=dark] .learning-card,:root[data-theme=dark] .foundation-page__status,:root[data-theme=dark] .student-access-card{background-color:#1f1a1bf5}:root[data-theme=dark] .button--secondary,:root[data-theme=dark] .principle-grid article,:root[data-theme=dark] .student-access-card__notice{background:#282122}:root[data-theme=dark] .theme-toggle{border-color:var(--mandora-line);color:var(--mandora-ink);background:#282122}:root[data-theme=dark] .admin-workspace,:root[data-theme=dark] .admin-main{color:#eaf0ee;background:#121718}:root[data-theme=dark] .admin-header{background:#131a1af5;border-color:#ffffff14}:root[data-theme=dark] .admin-sidebar{color:#eef4f2;background:#13201e}:root[data-theme=dark] .admin-panel,:root[data-theme=dark] .admin-form-section,:root[data-theme=dark] .admin-users-list,:root[data-theme=dark] .admin-user-form,:root[data-theme=dark] .admin-categories__list,:root[data-theme=dark] .admin-categories__form,:root[data-theme=dark] .admin-languages__list,:root[data-theme=dark] .admin-languages__form,:root[data-theme=dark] .admin-table-wrap{color:#e8efed;background:#182322;border-color:#ffffff17}:root[data-theme=dark] input,:root[data-theme=dark] textarea,:root[data-theme=dark] select{color:#ecf2f0!important;background:#20302e!important;border-color:#ffffff21!important}@media (prefers-reduced-motion:reduce){.theme-toggle{transition:none}}.student-account{position:relative}.student-account__trigger{border:1px solid var(--mandora-line);background:var(--mandora-paper);min-height:44px;color:var(--mandora-ink);cursor:pointer;border-radius:14px;align-items:center;gap:9px;padding:5px 10px 5px 6px;display:flex}.student-account__avatar{background:var(--mandora-red-700);color:#fff;border-radius:10px;place-items:center;width:32px;height:32px;font-size:.76rem;font-weight:900;display:grid}.student-account__identity{text-align:left;line-height:1.1;display:grid}.student-account__identity strong{text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:.78rem;overflow:hidden}.student-account__identity small{color:var(--mandora-muted);margin-top:3px;font-size:.62rem}.student-account__menu{z-index:150;border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:16px;width:250px;padding:8px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 22px 60px #321f192e}.student-account__menu-heading{border-bottom:1px solid var(--mandora-line);padding:10px 11px 12px;display:grid}.student-account__menu-heading strong{color:var(--mandora-ink);font-size:.83rem}.student-account__menu-heading small{color:var(--mandora-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:.7rem;overflow:hidden}.student-account__menu a,.student-account__menu button{min-height:40px;color:var(--mandora-ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;padding:0 11px;font-size:.79rem;font-weight:700;text-decoration:none;display:flex}.student-account__menu a:hover,.student-account__menu button:hover{background:var(--mandora-surface)}.student-account__divider{background:var(--mandora-line);height:1px;margin:6px 3px}.student-account__menu .student-account__logout{color:var(--mandora-red-700)}@media (width<=900px){.student-account__identity{display:none}.student-account__trigger{padding-right:8px}.student-account__menu{width:min(280px,100vw - 28px);position:fixed;top:76px;right:14px}}.public-social-chat{z-index:126;position:fixed;bottom:86px;right:22px}.public-social-chat__buttons{flex-direction:column;align-items:flex-end;gap:9px;display:flex}.public-social-chat__buttons>a,.public-social-chat__buttons>button{color:#0b2545;cursor:pointer;background:#fff;border:1px solid #0b25451f;border-radius:50%;place-items:center;width:46px;height:46px;font-size:1.05rem;font-weight:900;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;display:grid;box-shadow:0 12px 32px #0b254529}.public-social-chat__buttons>a:hover,.public-social-chat__buttons>button:hover{border-color:#d76d3459;transform:translateY(-3px)scale(1.04);box-shadow:0 16px 38px #0b254538}.public-social-chat__buttons .is-zalo{color:#1268ad;background:#edf7ff;font-size:.85rem}.public-social-chat__buttons .is-chat{color:#fff;background:#0b2545}.public-chat-panel{background:#fff;border:1px solid #0b25451a;border-radius:22px;grid-template-rows:auto minmax(0,1fr) auto auto auto;width:min(390px,100vw - 90px);height:min(570px,100vh - 120px);display:grid;position:absolute;bottom:-64px;right:58px;overflow:hidden;box-shadow:0 26px 70px #0b25453d}.public-chat-panel>header{color:#fff;background:#0b2545;justify-content:space-between;align-items:center;padding:17px 18px;display:flex}.public-chat-panel>header div{gap:2px;display:grid}.public-chat-panel>header small{color:#8de0bd;letter-spacing:.12em;text-transform:uppercase;font-size:.67rem;font-weight:900}.public-chat-panel>header strong{color:#fff}.public-chat-panel>header button{color:#fff;cursor:pointer;background:#ffffff1a;border:0;border-radius:50%;width:32px;height:32px;font-size:1.25rem}.public-chat-panel__messages{background:#f5f8f7;flex-direction:column;gap:10px;padding:16px;display:flex;overflow:auto}.public-chat-panel__messages article{background:#fff;border-radius:15px;max-width:84%;padding:10px 12px;box-shadow:0 4px 14px #0b25450f}.public-chat-panel__messages article.is-visitor{color:#fff;background:#0b2545;align-self:flex-end}.public-chat-panel__messages article.is-visitor p,.public-chat-panel__messages article.is-visitor small{color:#fff}.public-chat-panel__messages article.is-admin{background:#edf8f3;border:1px solid #12785829;align-self:flex-start}.public-chat-panel__messages article.is-bot{background:#fff7ed;align-self:flex-start}.public-chat-panel__messages article small{color:#71817b;text-transform:uppercase;margin-bottom:4px;font-size:.66rem;font-weight:800;display:block}.public-chat-panel__messages article p{color:#213d35;white-space:pre-wrap;margin:0;font-size:.88rem;line-height:1.5}.public-chat-panel__welcome{text-align:center;color:#63766f;padding:26px 14px}.public-chat-panel__welcome p{margin:5px 0 0}.public-chat-panel__error{color:#9f382f;background:#fff0ef;margin:0;padding:8px 14px;font-size:.78rem}.public-chat-panel>form{background:#fff;border-top:1px solid #0b254514;grid-template-columns:minmax(0,1fr) 42px;gap:8px;padding:12px;display:grid}.public-chat-panel>form textarea{resize:none;min-height:46px;max-height:110px;font:inherit;border:1px solid #0b25451f;border-radius:12px;padding:10px 11px;line-height:1.4}.public-chat-panel>form button{color:#fff;cursor:pointer;background:#d76d34;border:0;border-radius:12px;width:42px;font-size:1.2rem;font-weight:900}.public-chat-panel>form button:disabled{opacity:.45;cursor:default}.public-chat-panel>footer{color:#86938e;background:#fff;padding:0 13px 11px;font-size:.67rem;line-height:1.4}:root[data-theme=dark] .public-social-chat__buttons>a{color:#e8f0f3;background:#102631;border-color:#ffffff1a}:root[data-theme=dark] .public-social-chat__buttons .is-zalo{color:#70bfff;background:#0f2b3c}:root[data-theme=dark] .public-social-chat__buttons .is-chat{color:#fff;background:#214451}:root[data-theme=dark] .public-chat-panel{background:#0d1d2d;border-color:#ffffff1a}:root[data-theme=dark] .public-chat-panel__messages{background:#091725}:root[data-theme=dark] .public-chat-panel__messages article{background:#102335}:root[data-theme=dark] .public-chat-panel__messages article.is-visitor{background:#1d5268}:root[data-theme=dark] .public-chat-panel__messages article.is-admin{background:#123427}:root[data-theme=dark] .public-chat-panel__messages article.is-bot{background:#39281d}:root[data-theme=dark] .public-chat-panel__messages article p{color:#dbe7eb}:root[data-theme=dark] .public-chat-panel__messages article small{color:#9fb2ba}:root[data-theme=dark] .public-chat-panel>form,:root[data-theme=dark] .public-chat-panel>footer{background:#0d1d2d}@media (width<=700px){.public-social-chat{bottom:76px;right:14px}.public-chat-panel{width:auto;height:min(540px,100vh - 110px);position:fixed;bottom:76px;left:12px;right:12px}.public-social-chat__buttons>a,.public-social-chat__buttons>button{width:43px;height:43px}}.page-header{border-bottom:1px solid var(--mandora-line);background:radial-gradient(circle at 88% 12%, #e7a92f24, transparent 25%), var(--mandora-paper);padding:clamp(68px,8vw,112px) 0 clamp(48px,6vw,76px)}.page-header__inner{justify-content:space-between;align-items:end;gap:36px;display:flex}.page-header__copy{max-width:790px}.page-header h1{color:var(--mandora-ink);font-family:var(--font-display);letter-spacing:-.055em;margin:0;font-size:clamp(2.8rem,6vw,5.8rem);line-height:.98}.page-header__copy>p:last-child{max-width:680px;color:var(--mandora-muted);margin:22px 0 0;font-size:clamp(1rem,1.4vw,1.12rem);line-height:1.72}.page-header__actions{flex:none;gap:10px;display:flex}.button--small{min-height:40px;padding-inline:16px;font-size:.86rem}.catalog-search{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:16px;align-items:center;gap:10px;width:min(520px,100%);min-height:52px;padding:0 16px;display:flex;box-shadow:0 10px 30px #4a2d220d}.catalog-search>span:not(.visually-hidden){color:var(--mandora-muted);font-size:1.2rem}.catalog-search input{width:100%;color:var(--mandora-ink);background:0 0;border:0;outline:0}.filter-chips{flex-wrap:wrap;gap:8px;display:flex}.filter-chips button{border:1px solid var(--mandora-line);background:var(--mandora-paper);min-height:38px;color:var(--mandora-muted);cursor:pointer;border-radius:999px;padding:0 14px;font-size:.82rem;font-weight:750}.filter-chips button:hover,.filter-chips button.is-active{border-color:var(--mandora-red-700);background:var(--mandora-red-700);color:#fff}.content-state-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.content-skeleton{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius);background:var(--mandora-paper);gap:13px;padding:16px;display:grid}.content-skeleton__visual,.content-skeleton__line{background:var(--mandora-surface);border-radius:10px;display:block;position:relative;overflow:hidden}.content-skeleton__visual:after,.content-skeleton__line:after{content:"";background:linear-gradient(100deg,#0000 20%,#ffffffb3,#0000 80%);animation:1.45s ease-in-out infinite mandora-shimmer;position:absolute;inset:0;transform:translate(-100%)}.content-skeleton__visual{height:190px}.content-skeleton__line{width:100%;height:11px}.content-skeleton__line--short{width:30%}.content-skeleton__line--title{width:72%;height:24px}.content-state{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius);background:var(--mandora-paper);text-align:left;justify-content:center;align-items:center;gap:18px;min-height:170px;padding:30px;display:flex}.content-state__icon{background:var(--mandora-gold-100);width:54px;height:54px;color:var(--mandora-red-700);border-radius:17px 17px 17px 6px;flex:none;place-items:center;font-family:serif;font-size:1.45rem;display:grid}.content-state strong{color:var(--mandora-ink);margin-bottom:5px;font-size:1.04rem;display:block}.content-state p{max-width:560px;color:var(--mandora-muted);margin:0;line-height:1.6}.content-state>.button{margin-left:12px}.content-state--error .content-state__icon{background:var(--mandora-red-100)}.demo-notice{border:1px solid color-mix(in srgb, var(--mandora-gold-500) 30%, var(--mandora-line));background:color-mix(in srgb, var(--mandora-gold-100) 58%, var(--mandora-paper));border-radius:14px;align-items:center;gap:12px;padding:13px 16px;display:flex}.demo-notice>span{background:var(--mandora-gold-500);color:#3c2a08;border-radius:10px;flex:none;place-items:center;width:34px;height:34px;font-family:serif;display:grid}.demo-notice p{color:var(--mandora-muted);margin:0;font-size:.82rem;line-height:1.5}.demo-notice strong{color:var(--mandora-ink)}.learning-progress{gap:8px;display:grid}.learning-progress>div{color:var(--mandora-muted);justify-content:space-between;gap:20px;font-size:.78rem;display:flex}.learning-progress>div strong{color:var(--mandora-ink)}.learning-progress__track{background:var(--mandora-surface);border-radius:99px;height:7px;display:block;overflow:hidden}.learning-progress__track i{border-radius:inherit;background:var(--mandora-jade-700);height:100%;display:block}.visually-hidden{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@keyframes mandora-shimmer{to{transform:translate(100%)}}@media (width<=760px){.page-header__inner,.content-state{flex-direction:column;align-items:flex-start}.content-state-grid{grid-template-columns:1fr}.content-state>.button{margin-left:0}}@media (prefers-reduced-motion:reduce){.content-skeleton__visual:after,.content-skeleton__line:after{animation:none}}.public-content-attachment{background:#f8fbf9;border:1px solid #dfe7e2;border-radius:14px;justify-content:space-between;align-items:center;gap:18px;margin:28px 0;padding:16px 18px;display:flex}.public-content-attachment>div{align-items:center;gap:12px;min-width:0;display:flex}.public-content-attachment>div>div{gap:2px;min-width:0;display:grid}.public-content-attachment strong{color:#183d37;font-size:.9rem}.public-content-attachment>div>div>span{color:#667a73;text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.public-content-attachment__icon{color:#fff;letter-spacing:.06em;background:#c84343;border-radius:10px;flex:none;place-items:center;width:46px;height:46px;font-size:.68rem;font-weight:800;display:inline-grid}.public-content-attachment>a{color:#183d37;background:#fff;border:1px solid #cbd8d1;border-radius:9px;flex:none;align-items:center;gap:7px;padding:9px 12px;font-size:.82rem;font-weight:700;text-decoration:none;display:inline-flex}.public-content-attachment>a:hover{background:#f3f7f5;border-color:#9fb4aa}@media (width<=640px){.public-content-attachment{flex-direction:column;align-items:stretch}.public-content-attachment>a{justify-content:center}}.public-lightbox{z-index:2200;color:#fff;grid-template-rows:auto 1fr auto;display:grid;position:fixed;inset:0}.public-lightbox__scrim{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#030a0eeb;border:0;position:absolute;inset:0}.public-lightbox__header,.public-lightbox__toolbar{z-index:2;justify-content:space-between;align-items:center;gap:18px;padding:16px 22px;display:flex;position:relative}.public-lightbox__header>div{gap:2px;display:grid}.public-lightbox__header strong{letter-spacing:.12em;font-size:.82rem}.public-lightbox__header span{color:#c7d0cd;text-overflow:ellipsis;white-space:nowrap;max-width:min(70vw,760px);font-size:.82rem;overflow:hidden}.public-lightbox__header>button{color:#fff;background:#ffffff0f;border:1px solid #ffffff2e;border-radius:50%;width:44px;height:44px;font-size:1.6rem}.public-lightbox__stage{z-index:1;cursor:zoom-in;place-items:center;min-height:0;padding:12px 82px;display:grid;position:relative;overflow:hidden}.public-lightbox__stage.is-zoomed{cursor:grab}.public-lightbox__stage.is-zoomed:active{cursor:grabbing}.public-lightbox__stage img{object-fit:contain;-webkit-user-select:none;user-select:none;transform-origin:50%;max-width:100%;max-height:calc(100vh - 170px);transition:transform .16s;display:block}.public-lightbox__stage.is-zoomed img{transition:none}.public-lightbox__nav{z-index:3;color:#fff;background:#051218b8;border:1px solid #ffffff2e;border-radius:50%;width:52px;height:52px;font-size:1.5rem;position:absolute;top:50%;transform:translateY(-50%)}.public-lightbox__nav--prev{left:22px}.public-lightbox__nav--next{right:22px}.public-lightbox__toolbar{background:linear-gradient(#0000,#030a0ec7);border-top:1px solid #ffffff17}.public-lightbox__toolbar>div{align-items:center;gap:8px;display:flex}.public-lightbox__toolbar button{color:#fff;background:#ffffff12;border:1px solid #ffffff29;border-radius:12px;min-width:44px;height:40px;padding:0 12px}.public-lightbox__toolbar button:disabled{opacity:.35}.public-lightbox__toolbar span{color:#b7c4c0;font-size:.78rem}@media (width<=720px){.public-lightbox__stage{padding:8px 12px 72px}.public-lightbox__nav{top:auto;bottom:82px}.public-lightbox__nav--prev{left:16px}.public-lightbox__nav--next{right:16px}.public-lightbox__toolbar{flex-direction:column;align-items:flex-start}.public-lightbox__toolbar span{display:none}.public-lightbox__header span{max-width:62vw}}.public-structured-content{gap:24px;display:grid}.public-structured-content>h2{color:#0b2545;margin:8px 0 0;font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.25}.public-content-image,.public-rich-text__inline-image{margin:20px 0}.public-content-image__button{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0;display:block;position:relative}.public-content-image__button>span{z-index:2;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;background:#05121894;border:1px solid #ffffff47;border-radius:50%;place-items:center;width:38px;height:38px;transition:opacity .18s,transform .18s;display:grid;position:absolute;top:14px;right:14px;transform:scale(.9)}.public-content-image__button:hover>span,.public-content-image__button:focus-visible>span{opacity:1;transform:scale(1)}.public-content-image img,.public-rich-text__inline-image img{object-fit:cover;background:#eef3f1;border-radius:20px;width:100%;max-height:680px;display:block}.public-content-image figcaption,.public-content-gallery figcaption,.public-rich-text__inline-image figcaption{color:#6b7b75;margin-top:8px;font-size:.82rem;line-height:1.5}.public-content-gallery{gap:10px;display:grid}.public-content-gallery figure{min-width:0;margin:0}.public-content-gallery img{object-fit:cover;background:#eef3f1;border-radius:16px;width:100%;height:100%;min-height:220px;max-height:430px}.public-content-gallery--2{grid-template-columns:repeat(2,minmax(0,1fr))}.public-content-gallery--3{grid-template-rows:repeat(2,minmax(180px,1fr));grid-template-columns:repeat(2,minmax(0,1fr))}.public-content-gallery--3 figure:first-child{grid-row:1/3}.public-content-gallery--4{grid-template-columns:repeat(2,minmax(0,1fr))}.public-content-gallery--3 img,.public-content-gallery--4 img{max-height:360px}.public-content-video{margin:24px 0}.public-content-video>div{background:#07151d;border-radius:20px;padding-top:56.25%;position:relative;overflow:hidden}.public-content-video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.public-content-video figcaption{color:#6b7b75;margin-top:8px;font-size:.82rem}:root[data-theme=dark] .public-rich-text__inline-image img{background:#11232c}:root[data-theme=dark] .public-rich-text__inline-image figcaption{color:#9fb0b7}@media (width<=700px){.public-structured-content{gap:18px}.public-content-gallery--2,.public-content-gallery--3,.public-content-gallery--4{grid-template-rows:auto;grid-template-columns:1fr}.public-content-gallery--3 figure:first-child{grid-row:auto}.public-content-gallery img{min-height:190px;max-height:380px}.public-content-image__button>span{opacity:1}}.blog-index-section,.home-section--blog{background:var(--mandora-surface);padding:clamp(54px,7vw,92px) 0 clamp(82px,9vw,124px)}.blog-toolbar{gap:18px;margin-bottom:34px;display:grid}.blog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.blog-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:23px 23px 23px 8px;transition:transform .18s,box-shadow .18s;overflow:hidden;box-shadow:0 15px 42px #4a2d2211}.blog-card:hover{transform:translateY(-5px);box-shadow:0 22px 52px #4a2d221c}.blog-card__image{background:var(--mandora-red-100);height:210px;display:block;overflow:hidden}.blog-card__image .public-image,.blog-card__image img{width:100%;height:100%}.blog-card__image img{object-fit:cover;transition:transform .26s}.blog-card:hover .blog-card__image img{transform:scale(1.035)}.blog-card__image .public-image--fallback{background:radial-gradient(circle at 70% 20%, #e7a92f59, transparent 28%), var(--mandora-red-700);color:#fff;place-items:center;font-size:4.5rem;font-weight:900;display:grid}.blog-card__body{gap:13px;padding:22px;display:grid}.blog-card__meta{color:var(--mandora-muted);justify-content:space-between;align-items:center;gap:10px;font-size:.7rem;display:flex}.blog-card__meta span{color:var(--mandora-red-700);font-weight:800}.blog-card h3{margin:0;font-size:1.24rem;line-height:1.35}.blog-card h3 a:hover{color:var(--mandora-red-700)}.blog-card__body>p{min-height:64px;color:var(--mandora-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.88rem;line-height:1.62;display:-webkit-box;overflow:hidden}.blog-card__link{border-top:1px solid var(--mandora-line);color:var(--mandora-red-700);justify-content:space-between;align-items:center;padding-top:13px;font-size:.82rem;font-weight:800;display:flex}.blog-detail{background:var(--mandora-paper)}.blog-detail__header{background:radial-gradient(circle at 82% 18%, #e7a92f29, transparent 25%), var(--mandora-surface);padding:clamp(72px,9vw,125px) 0 clamp(48px,6vw,76px)}.blog-detail__header-inner{max-width:930px}.blog-detail__meta{color:var(--mandora-muted);gap:13px;margin-bottom:22px;font-size:.78rem;display:flex}.blog-detail__meta span{color:var(--mandora-red-700);font-weight:850}.blog-detail__header h1{letter-spacing:-.055em;margin:0;font-size:clamp(2.8rem,6vw,5.8rem);line-height:1}.blog-detail__header p{max-width:760px;color:var(--mandora-muted);margin:24px 0 0;font-size:1.08rem;line-height:1.75}.blog-detail__content{max-width:980px;padding-top:54px;padding-bottom:100px}.blog-detail__cover{background:var(--mandora-surface);border-radius:28px 28px 28px 9px;width:100%;max-height:600px;margin-bottom:48px;overflow:hidden}.blog-detail__cover img{object-fit:cover;width:100%;max-height:600px}.blog-detail__body{max-width:760px;margin:0 auto}.blog-detail__body .public-rich-text,.blog-detail__body .public-rich-text__paragraph{color:var(--mandora-ink);font-size:1rem;line-height:1.8}.blog-detail__body .public-rich-text__heading,.blog-detail__body .public-structured-content>h2{color:var(--mandora-ink)}.blog-detail-state{background:var(--mandora-surface);min-height:65vh;padding:80px max(20px,50% - 490px)}.public-content-attachment{border-color:var(--mandora-line);background:var(--mandora-surface)}.public-content-attachment strong,.public-content-attachment>a{color:var(--mandora-ink)}@media (width<=920px){.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=650px){.blog-grid{grid-template-columns:1fr}.blog-card__body>p{min-height:0}}@media (prefers-reduced-motion:reduce){.blog-card,.blog-card__image img{transition:none}}.auth-layout:has(.student-login-shell){background:var(--mandora-paper);padding:0;position:relative}.auth-layout:has(.student-login-shell) .auth-layout__topbar{z-index:10;width:100%;padding:24px clamp(28px,4vw,64px);position:absolute;top:0;left:0}.auth-layout:has(.student-login-shell) .auth-layout__topbar>a:last-child{color:#ffffffc2}.auth-layout:has(.student-login-shell) .auth-layout__content{min-height:100vh;padding:0}.student-login-shell{background:var(--mandora-paper);grid-template-columns:minmax(0,.94fr) minmax(440px,1.06fr);width:100%;min-height:100vh;display:grid;overflow:hidden}.student-login-panel{flex-direction:column;justify-content:center;min-width:0;padding:42px 48px;animation:.46s cubic-bezier(.22,1,.36,1) both student-login-panel-enter;display:flex}.student-login-panel>*{width:min(460px,100%);margin-inline:auto}.student-login-panel__header .public-eyebrow{letter-spacing:0;text-transform:none;margin-bottom:9px}.student-login-panel__header h1{color:var(--mandora-ink);font-family:var(--font-display);letter-spacing:0;margin:0;font-size:2.15rem;line-height:1.15}.student-login-panel__header>p:last-child{max-width:430px;color:var(--mandora-muted);margin:12px 0 0;font-size:.95rem;line-height:1.65}.student-login-form{gap:14px;margin-top:26px}.student-login-form__two-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.student-login-form label{letter-spacing:0}.student-login-form__field{gap:7px;display:grid}.student-login-form__field>label{color:var(--mandora-ink);font-size:.82rem;font-weight:750}.student-login-form input:not([type=checkbox]){background:#fff;border-radius:12px;min-height:48px;padding:11px 13px;transition:border-color .16s,box-shadow .16s,background .16s}.student-login-form input:not([type=checkbox]):focus{border-color:color-mix(in srgb, var(--mandora-red-700) 58%, var(--mandora-line));background:var(--mandora-paper);box-shadow:0 0 0 4px color-mix(in srgb, var(--mandora-red-100) 74%, transparent);outline:none}.student-login-form input[aria-invalid=true]{border-color:color-mix(in srgb, var(--mandora-red-700) 58%, var(--mandora-line))}.student-password-field{display:block;position:relative}.student-password-field input{padding-right:52px!important}.student-password-field__toggle{width:40px;height:40px;color:var(--mandora-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;padding:0;transition:background .16s,color .16s;display:grid;position:absolute;top:50%;right:5px;transform:translateY(-50%)}.student-password-field__toggle:hover,.student-password-field__toggle:focus-visible{background:var(--mandora-surface);color:var(--mandora-red-700)}.student-password-field__toggle:focus-visible{outline:2px solid var(--mandora-red-700);outline-offset:1px}.student-password-field__toggle svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:20px;height:20px}.student-login-form__options{justify-content:space-between;align-items:center;gap:16px;margin-top:-2px;font-size:.82rem;display:flex}.student-login-form__options>a{color:var(--mandora-red-700);font-weight:800;text-decoration:none}.student-login-form__options>a:hover{text-decoration:underline}.student-login-form__options>a:focus-visible,.student-login-panel__switch a:focus-visible{outline:2px solid var(--mandora-red-700);outline-offset:3px;border-radius:4px}.student-login-remember{cursor:pointer;align-items:center;color:var(--mandora-muted)!important;gap:8px!important;font-weight:700!important;display:inline-flex!important}.student-login-remember input{width:17px;height:17px;accent-color:var(--mandora-red-700);margin:0}.student-login-remember input:focus-visible{outline:2px solid var(--mandora-red-700);outline-offset:2px}.student-login-error{border:1px solid color-mix(in srgb, var(--mandora-red-700) 34%, var(--mandora-line));background:var(--mandora-red-100);border-radius:8px;padding:10px 12px;font-size:.82rem;line-height:1.45}.student-login-submit{border-radius:8px;width:100%;min-height:50px;margin-top:2px}.student-login-submit:focus-visible{outline:3px solid color-mix(in srgb, var(--mandora-red-700) 36%, transparent);outline-offset:3px}.student-login-submit:disabled{cursor:wait;opacity:.68;transform:none}.student-login-divider{color:var(--mandora-muted);align-items:center;gap:12px;margin:22px auto 15px;font-size:.73rem;font-weight:700;display:flex}.student-login-divider:before,.student-login-divider:after{background:var(--mandora-line);content:"";flex:1;height:1px}.student-login-divider span{white-space:nowrap}.student-social-auth{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.student-social-button{border:1px solid var(--mandora-line);min-height:48px;color:var(--mandora-ink);cursor:pointer;font:inherit;text-align:left;background:#fff;border-radius:8px;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:9px;padding:6px 11px;transition:transform .16s,border-color .16s,box-shadow .16s;display:grid}.student-social-button:not(:disabled):hover{border-color:color-mix(in srgb, var(--mandora-red-700) 34%, var(--mandora-line));transform:translateY(-2px);box-shadow:0 9px 22px #39292214}.student-social-button:focus-visible{outline:2px solid var(--mandora-red-700);outline-offset:2px}.student-social-button:disabled{cursor:not-allowed;opacity:.58}.student-social-button__icon{background:var(--mandora-surface);color:#1877f2;border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.student-social-button__icon svg{width:20px;height:20px}.student-social-button__copy{min-width:0;display:grid}.student-social-button__copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;font-weight:800;overflow:hidden}.student-social-button__copy small{color:var(--mandora-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.65rem;font-weight:650;overflow:hidden}.student-login-panel__switch{color:var(--mandora-muted);text-align:center;margin:20px auto 0;font-size:.86rem}.student-login-panel__switch a{color:var(--mandora-red-700);font-weight:850;text-decoration:none}.student-login-panel__security-note{color:var(--mandora-muted);text-align:center;margin:12px auto 0;font-size:.69rem;line-height:1.45}.student-auth-visual{color:#fff;isolation:isolate;background:linear-gradient(145deg,#173c35,#244a42 56%,#572b35 122%);flex-direction:column;justify-content:space-between;min-width:0;padding:48px;animation:.56s cubic-bezier(.22,1,.36,1) 80ms both student-auth-visual-enter;display:flex;position:relative;overflow:hidden}.student-auth-visual:before{z-index:-1;content:"";background-image:linear-gradient(#ffffff0b 1px,#0000 1px),linear-gradient(90deg,#ffffff0b 1px,#0000 1px);background-size:44px 44px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 92%);mask-image:linear-gradient(#000,#0000 92%)}.student-auth-visual:after{z-index:-1;content:"";border:1px solid #ffd8a12e;border-right:0;width:210px;height:118px;position:absolute;bottom:76px;right:-58px;transform:rotate(-8deg)}.student-auth-visual__heading{width:min(620px,100%);max-width:430px;margin-inline:auto}.student-auth-visual__heading>span{color:#ffd8a1;font-size:.73rem;font-weight:850;display:inline-block}.student-auth-visual__heading h2{color:#fff;max-width:410px;font-family:var(--font-display);letter-spacing:0;margin:11px 0 0;font-size:2rem;line-height:1.2}.student-auth-visual__heading p{color:#ffffffb8;max-width:410px;margin:13px 0 0;font-size:.88rem;line-height:1.65}.student-auth-showcase{grid-template-columns:minmax(180px,.9fr) minmax(190px,1.1fr);gap:14px;width:min(620px,100%);margin:34px auto 28px;display:grid}.student-auth-vocabulary-card,.student-auth-hsk-card,.student-auth-lesson-card,.student-auth-character-card{border:1px solid #ffffff29;border-radius:8px;box-shadow:0 20px 44px #05161333}.student-auth-vocabulary-card{color:#202321;background:#fffdf8;flex-direction:column;justify-content:center;align-items:center;min-height:238px;padding:22px;animation:6s ease-in-out infinite student-auth-card-float;display:flex}.student-auth-card-label{color:#ad2f43;justify-content:space-between;align-items:center;gap:10px;width:100%;font-size:.67rem;font-weight:850;display:flex}.student-auth-card-label small{color:#77706b;font-size:.61rem;font-weight:650}.student-auth-vocabulary-card>strong{font-family:var(--font-chinese);margin-top:18px;font-size:4.4rem;font-weight:700;line-height:1}.student-auth-vocabulary-card>p{color:#24685e;margin:12px 0 0;font-size:1rem;font-weight:800}.student-auth-vocabulary-card>span{color:#646b67;margin-top:4px;font-size:.8rem}.student-auth-showcase__side{gap:14px;display:grid}.student-auth-hsk-card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff1a;min-height:116px;padding:18px}.student-auth-hsk-card>div{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.student-auth-hsk-card>div span{color:#ffd8a1;font-size:.82rem;font-weight:900}.student-auth-hsk-card>div small{color:#ffffff9e;font-size:.61rem}.student-auth-hsk-card ol{grid-template-columns:repeat(3,1fr);gap:7px;margin:18px 0 0;padding:0;list-style:none;display:grid}.student-auth-hsk-card li{color:#ffffffa8;border:1px solid #ffffff24;border-radius:8px;place-items:center;min-height:30px;font-size:.72rem;font-weight:850;display:grid}.student-auth-hsk-card li.is-current{color:#3b2d14;background:#e7a92f;border-color:#e7a92f}.student-auth-lesson-card{color:#202321;background:#fbe9eb;grid-template-columns:52px minmax(0,1fr);align-items:center;gap:13px;min-height:108px;padding:17px;animation:6.8s ease-in-out .7s infinite student-auth-card-float;display:grid}.student-auth-lesson-card>span{color:#fff;width:52px;height:52px;font-family:var(--font-chinese);background:#ad2f43;border-radius:8px;place-items:center;font-size:1.55rem;display:grid}.student-auth-lesson-card div{gap:4px;min-width:0;display:grid}.student-auth-lesson-card small{color:#ad2f43;font-size:.65rem;font-weight:850}.student-auth-lesson-card strong{overflow-wrap:anywhere;font-size:.82rem;line-height:1.35}.student-auth-character-card{background:#0d221ebd;grid-column:1/-1;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;min-height:104px;padding:16px 18px;display:grid}.student-auth-character-card__glyphs{gap:6px;display:flex}.student-auth-character-card__glyphs span{color:#ffd8a1;width:43px;height:43px;font-family:var(--font-chinese);border:1px solid #ffd8a157;border-radius:8px;place-items:center;font-size:1.45rem;display:grid}.student-auth-character-card>div:nth-child(2){gap:1px;min-width:0;display:grid}.student-auth-character-card small{color:#ffffff8c;font-size:.61rem;font-weight:800}.student-auth-character-card strong{color:#fff;font-size:.84rem}.student-auth-character-card p{color:#ffffffa3;margin:0;font-size:.72rem}.student-auth-character-card__practice{color:#ffd8a1;white-space:nowrap;border:1px solid #ffffff29;border-radius:8px;padding:7px 9px;font-size:.65rem;font-weight:800}.student-auth-visual__note{color:#ffffff94;align-items:center;gap:8px;width:min(620px,100%);margin:0 auto;font-size:.66rem;display:flex}.student-auth-visual__note span{background:#e7a92f;border-radius:50%;flex:none;width:7px;height:7px}@keyframes student-login-panel-enter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes student-auth-visual-enter{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:translate(0)}}@keyframes student-auth-card-float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}:root[data-theme=dark] .auth-layout:has(.student-login-shell){background:#1f1a1b}:root[data-theme=dark] .student-login-shell,:root[data-theme=dark] .student-login-panel{border-color:var(--mandora-line);background:#1f1a1b}:root[data-theme=dark] .student-social-button,:root[data-theme=dark] .student-login-form input:not([type=checkbox]){border-color:var(--mandora-line);color:var(--mandora-ink);background:#282122}:root[data-theme=dark] .student-login-form input:not([type=checkbox]):focus{background:#302829}:root[data-theme=dark] .student-social-button__icon,:root[data-theme=dark] .student-password-field__toggle:hover,:root[data-theme=dark] .student-password-field__toggle:focus-visible{background:#352c2e}:root[data-theme=dark] .student-login-error{background:#4c262e;border-color:#71404a}@media (width<=1040px){.student-login-shell{grid-template-columns:minmax(0,1fr) minmax(410px,.9fr)}.student-login-panel,.student-auth-visual{padding:36px}.student-auth-visual__heading h2{font-size:1.75rem}.student-auth-showcase{grid-template-columns:minmax(150px,.85fr) minmax(170px,1.15fr)}.student-auth-character-card__practice{display:none}.student-auth-character-card{grid-template-columns:auto minmax(0,1fr)}}@media (width<=800px){.auth-layout:has(.student-login-shell){background:var(--mandora-paper)}.auth-layout:has(.student-login-shell) .auth-layout__topbar>a:last-child{color:var(--mandora-muted)}.student-login-shell{width:100%;min-height:100vh;display:block}.student-login-panel{min-height:100vh;padding-top:100px;padding-bottom:48px}.student-auth-visual{display:none}}@media (width<=640px){.auth-layout:has(.student-login-shell){padding:0}.auth-layout:has(.student-login-shell) .auth-layout__topbar{padding:18px 24px}.auth-layout:has(.student-login-shell) .auth-layout__content{min-height:100vh;padding:0}.student-login-shell{min-height:100vh}.student-login-panel{padding:94px 24px 40px}.student-login-panel__header h1{font-size:1.85rem}.student-login-form__two-columns{grid-template-columns:1fr}}@media (width<=520px){.student-social-auth{grid-template-columns:1fr}}@media (width<=390px){.auth-layout:has(.student-login-shell){padding:0}.auth-layout:has(.student-login-shell) .auth-layout__topbar{gap:12px;padding:16px 18px}.auth-layout:has(.student-login-shell) .auth-layout__topbar>a:last-child{font-size:.78rem}.student-login-panel{padding:88px 18px 34px}.student-login-form__options{flex-direction:column;align-items:flex-start;gap:10px}.student-login-divider{gap:8px}.student-login-divider span{font-size:.68rem}}@media (prefers-reduced-motion:reduce){.student-login-panel,.student-auth-visual,.student-auth-vocabulary-card,.student-auth-lesson-card{animation:none}.student-login-form input,.student-password-field__toggle,.student-social-button{transition:none}}.catalog-section,.course-detail-content{background:var(--mandora-surface);padding:clamp(54px,7vw,92px) 0 clamp(80px,9vw,124px)}.catalog-section .demo-notice{margin-bottom:28px}.catalog-toolbar{gap:18px;margin-bottom:34px;display:grid}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.course-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:25px 25px 25px 8px;transition:transform .2s,box-shadow .2s;overflow:hidden;box-shadow:0 16px 46px #4a2d2212}.course-card:hover{transform:translateY(-6px);box-shadow:0 24px 56px #4a2d221f}.course-card__cover{background:linear-gradient(145deg, var(--mandora-red-700), #6f2231);place-items:center;min-height:225px;display:grid;position:relative;overflow:hidden}.course-card__cover>img,.course-detail-cover>img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.course-card__cover:before,.course-detail-cover:before{aspect-ratio:1;content:"";border:1px solid #fff3;border-radius:50%;width:210px;position:absolute}.course-card__cover:after,.course-detail-cover:after{aspect-ratio:1;content:"";border:1px solid #ffffff2e;border-radius:50%;width:120px;position:absolute}.course-card__cover.is-red,.course-detail-cover.is-red{background:linear-gradient(145deg,#c23b4f,#842337)}.course-card__cover.is-jade,.course-detail-cover.is-jade{background:linear-gradient(145deg,#368879,#19544b)}.course-card__cover.is-gold,.course-detail-cover.is-gold{background:linear-gradient(145deg,#edbb55,#a76b13)}.course-card__cover>span{z-index:1;color:#fff;font-family:var(--font-chinese);text-shadow:0 12px 30px #00000029;font-size:6.4rem;line-height:1;position:relative}.course-card__cover>small{z-index:2;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1f141633;border:1px solid #ffffff47;border-radius:999px;padding:6px 9px;font-size:.68rem;font-weight:750;position:absolute;top:14px;right:14px}.course-card__body{gap:14px;padding:24px;display:grid}.my-course-card .course-card__body{height:100%}.my-course-card .course-card__body>small{color:var(--mandora-muted)}.my-course-card .button{margin-top:auto}.course-card__meta{color:var(--mandora-muted);justify-content:space-between;align-items:center;gap:12px;font-size:.72rem;font-weight:750;display:flex}.course-card__meta span:first-child{background:var(--mandora-red-100);color:var(--mandora-red-700);border-radius:999px;padding:5px 9px}.course-card h3{letter-spacing:-.02em;margin:0;font-size:1.32rem;line-height:1.3}.course-card h3 a:hover{color:var(--mandora-red-700)}.course-card__body>p{min-height:66px;color:var(--mandora-muted);margin:0;font-size:.9rem;line-height:1.62}.course-card__link{border-top:1px solid var(--mandora-line);color:var(--mandora-red-700);justify-content:space-between;align-items:center;padding-top:14px;font-size:.86rem;font-weight:800;display:flex}.course-detail-hero{background:radial-gradient(circle at 8% 84%, #24685e1a, transparent 25%), var(--mandora-paper);padding:clamp(66px,8vw,112px) 0}.course-detail-hero__grid{grid-template-columns:minmax(0,1.1fr) minmax(300px,.65fr);align-items:center;gap:clamp(45px,8vw,100px);display:grid}.breadcrumb-link{color:var(--mandora-muted);margin-bottom:34px;font-size:.84rem;font-weight:750;display:inline-flex}.breadcrumb-link:hover{color:var(--mandora-red-700)}.course-detail-hero__copy h1{max-width:780px;font-family:var(--font-display);letter-spacing:-.06em;margin:0;font-size:clamp(3rem,6vw,6rem);line-height:.98}.course-detail-hero__copy>p:not(.public-eyebrow){max-width:680px;color:var(--mandora-muted);margin:26px 0 0;font-size:1.06rem;line-height:1.75}.course-detail-hero__actions{flex-wrap:wrap;gap:11px;margin-top:32px;display:flex}.course-detail-cover{background:linear-gradient(145deg, var(--mandora-jade-700), #173f3a);min-height:430px;box-shadow:var(--mandora-shadow);border-radius:38px 38px 38px 10px;place-items:center;display:grid;position:relative;overflow:hidden}.course-detail-cover>span{z-index:1;color:#fff;font-family:var(--font-chinese);font-size:clamp(8rem,15vw,12rem);position:relative}.course-detail-cover>small{z-index:1;color:#49262c;background:#ffffffe6;border-radius:999px;padding:8px 12px;font-weight:850;position:absolute;bottom:22px;right:22px}.course-detail-content__grid{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:38px;display:grid}.course-detail-heading{margin:54px 0 28px}.course-detail-heading h2{letter-spacing:-.045em;margin:0;font-size:clamp(2rem,4vw,3.6rem);line-height:1.05}.course-outline{gap:20px;display:grid}.course-unit{border:1px solid var(--mandora-line);border-radius:var(--mandora-radius);background:var(--mandora-paper);overflow:hidden}.course-unit>header{border-bottom:1px solid var(--mandora-line);align-items:center;gap:16px;padding:21px 24px;display:flex}.course-unit>header>span{background:var(--mandora-red-100);width:42px;height:42px;color:var(--mandora-red-700);border-radius:13px 13px 13px 5px;flex:none;place-items:center;font-size:.74rem;font-weight:850;display:grid}.course-unit header small{color:var(--mandora-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.66rem;font-weight:800}.course-unit h3{margin:2px 0 0;font-size:1.08rem}.course-unit ol{margin:0;padding:0;list-style:none}.course-unit__empty,.course-outline-empty{color:var(--mandora-muted);margin:0;padding:22px 24px;line-height:1.6}.course-unit li+li{border-top:1px solid var(--mandora-line)}.course-unit li a{grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:13px;padding:16px 24px;transition:background .16s;display:grid}.course-unit li a:hover,.course-unit li.is-current a{background:var(--mandora-surface)}.course-unit li a>span{color:var(--mandora-muted);font-size:.72rem;font-weight:800}.course-unit li a div{gap:3px;display:grid}.course-unit li a strong{font-size:.93rem}.course-unit li a small{color:var(--mandora-muted);font-size:.72rem}.course-unit li a i{color:var(--mandora-red-700);font-style:normal}.course-enrollment-card{border:1px solid color-mix(in srgb, var(--mandora-red-700) 18%, transparent);color:#fff;background:radial-gradient(circle at 92% 5%,#e7a92f2e,#0000 36%),linear-gradient(160deg,#2f2425,#21191b 62%,#171214);border-radius:30px 30px 30px 10px;padding:30px;position:sticky;top:102px;overflow:hidden;box-shadow:0 24px 70px #3e272338}.course-enrollment-card:after{aspect-ratio:1;content:"";border:1px solid #ffffff14;border-radius:50%;width:180px;position:absolute;bottom:-92px;right:-74px}.course-enrollment-card__topline{z-index:1;align-items:center;gap:13px;display:flex;position:relative}.course-enrollment-card__topline>span{color:#35240a;background:linear-gradient(145deg,#f6bd3f,#d69212);border-radius:16px 16px 16px 5px;flex:none;place-items:center;width:52px;height:52px;font-family:serif;font-size:1.5rem;display:grid;box-shadow:0 10px 25px #e7a92f33}.course-enrollment-card__topline>div{gap:2px;display:grid}.course-enrollment-card__topline small{color:#ffffff94;letter-spacing:.11em;text-transform:uppercase;font-size:.66rem;font-weight:850}.course-enrollment-card__topline strong{color:#fff;font-size:.93rem}.course-enrollment-card h2{z-index:1;margin:30px 0 20px;font-size:1.58rem;line-height:1.2;position:relative}.course-enrollment-card>p{z-index:1;color:#ffffffad;margin:0 0 24px;font-size:.9rem;line-height:1.65;position:relative}.course-progress-summary{z-index:1;background:#ffffff0e;border:1px solid #ffffff17;border-radius:20px;grid-template-columns:88px minmax(0,1fr);align-items:center;gap:17px;margin-bottom:23px;padding:17px;display:grid;position:relative}.course-progress-ring{aspect-ratio:1;background:conic-gradient(var(--mandora-gold-500) var(--course-progress), #ffffff1a 0);border-radius:50%;place-items:center;width:82px;display:grid;box-shadow:inset 0 0 0 1px #ffffff0a}.course-progress-ring:before{aspect-ratio:1;content:"";background:#251d1f;border-radius:50%;grid-area:1/1;width:62px}.course-progress-ring span{z-index:1;color:#fff;grid-area:1/1;font-size:1.03rem;font-weight:900;position:relative}.course-progress-summary__copy{gap:5px;display:grid}.course-progress-summary__copy strong{color:#fff;font-size:.9rem}.course-progress-summary__copy span{color:#fff9;font-size:.76rem;line-height:1.45}.course-enrollment-card .learning-progress{z-index:1;gap:10px;margin-bottom:22px;position:relative}.course-enrollment-card .learning-progress>div{color:#ffffff94}.course-enrollment-card .learning-progress>div strong{color:#fff}.course-enrollment-card .learning-progress__track{background:#ffffff1a;height:9px}.course-enrollment-card .learning-progress__track i{background:linear-gradient(90deg, var(--mandora-jade-700), #56b6a3);box-shadow:0 0 20px #56b6a333}.course-enrollment-card .button,.course-enrollment-card .course-completed-label{z-index:1;width:100%;position:relative}.course-enrollment-card__error{background:#be334929;border-radius:12px;padding:10px 12px;color:#ffd9df!important}.course-completed-label{background:var(--mandora-jade-100);color:var(--mandora-jade-700);border-radius:999px;justify-content:center;padding:12px 14px;font-weight:800;display:inline-flex}.course-detail-loading{background:var(--mandora-surface);min-height:65vh;padding:80px max(20px,50% - 590px)}.lesson-page{background:var(--mandora-surface);min-height:72vh;padding:54px 0 90px}.lesson-page__grid{grid-template-columns:310px minmax(0,780px);justify-content:center;align-items:start;gap:38px;display:grid}.lesson-sidebar{max-height:calc(100vh - 120px);position:sticky;top:100px;overflow:auto}.lesson-sidebar .breadcrumb-link{margin-bottom:18px}.course-outline--compact{gap:12px}.course-outline--compact .course-unit>header{padding:14px}.course-outline--compact .course-unit>header>span{display:none}.course-outline--compact .course-unit li a{grid-template-columns:25px minmax(0,1fr);padding:12px 14px}.course-outline--compact .course-unit li a i{display:none}.lesson-content{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:30px 30px 30px 10px;min-width:0;padding:clamp(28px,5vw,58px);box-shadow:0 18px 55px #4a2d2212}.lesson-header>div{flex-wrap:wrap;gap:7px;display:flex}.lesson-header>div span{background:var(--mandora-red-100);color:var(--mandora-red-700);border-radius:999px;padding:6px 9px;font-size:.7rem;font-weight:800}.lesson-header h1{letter-spacing:-.05em;margin:20px 0 15px;font-size:clamp(2.35rem,5vw,4.5rem);line-height:1}.lesson-header>p{color:var(--mandora-muted);margin:0 0 32px;line-height:1.7}.lesson-header__ai{border-color:var(--mandora-jade-700);width:fit-content;color:var(--mandora-jade-700);gap:7px;margin-top:14px;display:inline-flex}.lesson-body{gap:24px;margin-top:40px;display:grid}.lesson-body--plain{color:var(--mandora-text);white-space:pre-wrap;font-size:1rem;line-height:1.85;display:block}.lesson-body--plain p{margin:0 0 1.2em}.lesson-block{border:1px solid var(--mandora-line);border-radius:20px;padding:26px}.lesson-block--note{border-left:4px solid var(--mandora-jade-700);background:var(--mandora-jade-100)}.lesson-block h2{margin:0 0 10px;font-size:1.32rem}.lesson-block p{color:var(--mandora-muted);margin:0;line-height:1.75}.lesson-example{background:var(--mandora-surface);text-align:center;border-radius:24px 24px 24px 8px;justify-items:center;gap:9px;margin:0;padding:36px 24px;display:grid}.lesson-example strong{color:var(--mandora-red-700);font-family:var(--font-chinese);font-size:clamp(2.7rem,8vw,5.5rem);font-weight:500;line-height:1.1}.lesson-example>span{color:var(--mandora-jade-700);letter-spacing:.05em;font-weight:800}.lesson-example figcaption{color:var(--mandora-muted)}.lesson-completion-foundation{border:1px solid var(--mandora-line);border-radius:18px;justify-content:space-between;align-items:center;gap:20px;margin-top:40px;padding:20px;display:flex}.lesson-completion-foundation>div{align-items:center;gap:13px;display:flex}.lesson-completion-foundation>div>span{background:var(--mandora-jade-100);width:42px;height:42px;color:var(--mandora-jade-700);border-radius:50%;flex:none;place-items:center;font-weight:900;display:grid}.lesson-completion-foundation strong{display:block}@media (width<=980px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-detail-hero__grid,.course-detail-content__grid,.lesson-page__grid{grid-template-columns:1fr}.course-enrollment-card,.lesson-sidebar{position:static}}@media (width<=640px){.course-grid{grid-template-columns:1fr}.course-detail-cover{min-height:300px}.course-progress-summary{grid-template-columns:72px minmax(0,1fr)}.course-progress-ring{width:68px}.course-progress-ring:before{width:51px}}.learning-index-section{background:var(--mandora-surface);padding:clamp(52px,7vw,88px) 0 clamp(82px,10vw,130px)}.learning-index-section .demo-notice{margin-bottom:30px}.hsk-level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.hsk-level-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:23px 23px 23px 8px;grid-template-columns:74px minmax(0,1fr);align-items:center;gap:18px;min-height:180px;padding:24px;transition:border-color .18s,transform .18s,box-shadow .18s;display:grid;position:relative;overflow:hidden}.hsk-level-card:hover{border-color:color-mix(in srgb, var(--mandora-red-700) 50%, var(--mandora-line));transform:translateY(-5px);box-shadow:0 20px 45px #4a2d2217}.hsk-level-card__number{background:var(--mandora-red-700);color:#fff;border-radius:22px 22px 22px 7px;place-items:center;width:74px;height:88px;font-size:2.15rem;font-weight:900;display:grid}.hsk-level-card:nth-child(3n+2) .hsk-level-card__number{background:var(--mandora-jade-700)}.hsk-level-card:nth-child(3n) .hsk-level-card__number{background:#b47717}.hsk-level-card p{color:var(--mandora-red-700);letter-spacing:.1em;text-transform:uppercase;margin:0 0 4px;font-size:.7rem;font-weight:850}.hsk-level-card h3{margin:0 0 8px;font-size:1.25rem}.hsk-level-card div>span{color:var(--mandora-muted);font-size:.84rem;line-height:1.55}.hsk-level-card i{color:var(--mandora-red-700);font-style:normal;position:absolute;bottom:16px;right:18px}.learning-toolbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.vocabulary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.vocabulary-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:24px 24px 24px 8px;gap:22px;padding:25px;display:grid;box-shadow:0 14px 40px #4a2d220f}.vocabulary-card>header{justify-content:space-between;align-items:center;gap:16px;display:flex}.vocabulary-card>header>span{background:var(--mandora-red-100);color:var(--mandora-red-700);border-radius:999px;padding:6px 10px;font-size:.7rem;font-weight:850}.vocabulary-card__actions{gap:7px;display:flex}.vocabulary-card__actions button{border:1px solid var(--mandora-line);background:var(--mandora-surface);width:35px;height:35px;color:var(--mandora-muted);border-radius:50%;place-items:center;display:grid}.vocabulary-card__actions button:disabled{cursor:not-allowed;opacity:.64}.vocabulary-card__word{justify-items:start;display:grid}.vocabulary-card__word>strong{color:var(--mandora-ink);font-family:var(--font-chinese);font-size:clamp(3.6rem,7vw,5.5rem);font-weight:500;line-height:1}.vocabulary-card__word>small{color:var(--mandora-muted);margin-top:8px;font-size:.72rem}.vocabulary-card__word>span{color:var(--mandora-jade-700);letter-spacing:.05em;margin-top:12px;font-size:1.03rem;font-weight:800}.vocabulary-card__word>p{margin:4px 0 0;font-weight:750}.vocabulary-card__example{border-left:3px solid var(--mandora-gold-500);background:var(--mandora-surface);border-radius:4px 14px 14px 4px;padding:18px}.vocabulary-card__example strong,.vocabulary-card__example span,.vocabulary-card__example p{display:block}.vocabulary-card__ai{border:1px solid var(--mandora-line);background:var(--mandora-jade-100);min-height:38px;color:var(--mandora-jade-700);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:8px 12px;font-weight:800;display:inline-flex}.vocabulary-card__ai:hover{border-color:var(--mandora-jade-700)}.vocabulary-card__example strong{font-family:var(--font-chinese);font-size:1.12rem}.vocabulary-card__example span{color:var(--mandora-jade-700);margin-top:5px;font-size:.8rem}.vocabulary-card__example p{color:var(--mandora-muted);margin:5px 0 0;font-size:.82rem}.character-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:100%;color:var(--mandora-ink);text-align:left;cursor:pointer;border-radius:17px;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:14px;padding:15px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid}.character-card:hover,.character-card.is-active{border-color:var(--mandora-red-700);transform:translateY(-2px);box-shadow:0 12px 28px #4a2d2212}.character-catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.character-card>strong{background:var(--mandora-red-100);width:58px;height:58px;color:var(--mandora-red-700);font-family:var(--font-chinese);border-radius:16px 16px 16px 6px;place-items:center;font-size:2rem;font-weight:500;display:grid}.character-card div span{color:var(--mandora-jade-700);font-size:.8rem;font-weight:800}.character-card div p{margin:3px 0 0;font-size:.88rem;font-weight:700}.character-card>small{color:var(--mandora-muted);font-size:.66rem}.character-practice-state{background:var(--mandora-surface);min-height:65vh;padding:90px max(24px,50vw - 590px)}.character-practice-page{background:var(--mandora-surface)}.character-practice-hero{background:radial-gradient(circle at 85% 25%, #a87d2f21, transparent 28%), var(--mandora-paper);border-bottom:1px solid var(--mandora-line);padding:clamp(46px,7vw,82px) 0}.character-practice-hero__inner{gap:26px;display:grid}.character-practice-hero__content{align-items:center;gap:clamp(24px,5vw,58px);display:flex}.character-practice-hero__content>strong{aspect-ratio:1;background:var(--mandora-red-700);color:#fff;width:clamp(140px,20vw,210px);font-family:var(--font-chinese);border-radius:32px 32px 32px 10px;flex:none;place-items:center;font-size:clamp(6rem,13vw,9rem);font-weight:500;line-height:1;display:grid}.character-practice-hero__content span,.practice-section-heading>span,.character-result__copy>span{color:var(--mandora-red-700);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem;font-weight:850}.character-practice-hero__content h1{margin:8px 0 6px;font-size:clamp(2.8rem,6vw,5.5rem);line-height:1}.character-practice-hero__content p{color:var(--mandora-muted);margin:0 0 8px;font-size:clamp(1.1rem,2.2vw,1.45rem)}.character-practice-hero__content small{color:var(--mandora-muted)}.character-practice-examples{flex-wrap:wrap;gap:9px;display:flex}.character-practice-examples span{border:1px solid var(--mandora-line);background:var(--mandora-surface);color:var(--mandora-muted);border-radius:999px;padding:9px 13px;font-size:.82rem}.character-practice-examples strong{color:var(--mandora-ink);font-family:var(--font-chinese)}.character-practice-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-block:clamp(48px,8vw,96px) 110px;display:grid}.stroke-player,.handwriting-practice,.character-compare,.character-result,.character-attempt-stats{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:27px 27px 27px 9px;padding:clamp(24px,4vw,38px);box-shadow:0 18px 45px #4a2d220f}.practice-section-heading h2,.character-result__copy h2{margin:7px 0 8px;font-size:clamp(1.65rem,3vw,2.35rem)}.practice-section-heading p,.character-result__copy>p{color:var(--mandora-muted);margin:0;line-height:1.65}.stroke-player__stage{aspect-ratio:1;border:1px solid var(--mandora-line);background:#fffdf9;border-radius:20px;place-items:center;width:min(100%,360px);margin:24px auto;display:grid}.stroke-player__controls,.handwriting-practice__controls{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.handwriting-canvas-wrap{width:min(100%,520px);margin:24px auto;position:relative}.handwriting-canvas{aspect-ratio:1;cursor:crosshair;touch-action:none;border-radius:18px;width:100%;display:block;box-shadow:0 14px 32px #4a2d2214}.handwriting-canvas:focus-visible{outline:3px solid color-mix(in srgb, var(--mandora-red-700) 40%, transparent);outline-offset:4px}.handwriting-canvas__count{color:var(--mandora-muted);background:#fffdf9e6;border-radius:999px;padding:6px 9px;font-size:.72rem;font-weight:750;position:absolute;bottom:10px;right:10px}.character-compare{grid-column:1/-1;align-items:center;gap:26px;display:flex}.character-compare .practice-section-heading{flex:1}.character-compare__error,.character-compare__auth{color:var(--mandora-muted);margin:0;font-size:.8rem}.character-compare__error{color:var(--mandora-red-700)}.character-compare__auth a{color:var(--mandora-red-700);font-weight:800}.character-result{grid-column:1/-1;grid-template-columns:180px minmax(0,1fr);align-items:center;gap:clamp(26px,5vw,60px);animation:.36s ease-out both character-result-enter;display:grid}.character-result__score{aspect-ratio:1;background:var(--mandora-red-100);width:180px;color:var(--mandora-red-700);border-radius:50%;align-content:center;place-items:center;display:grid}.character-result.is-excellent .character-result__score,.character-result.is-good .character-result__score{color:var(--mandora-jade-700);background:#e5f2ec}.character-result__score strong{font-size:4rem;line-height:1}.character-result__score span{font-size:.8rem;font-weight:800}.character-result ul{gap:7px;margin:18px 0 22px;padding:0;list-style:none;display:grid}.character-result li{color:var(--mandora-muted);padding-left:22px;font-size:.86rem;position:relative}.character-result li:before{content:"•";color:var(--mandora-gold-500);position:absolute;left:0}.character-result li.is-success:before{content:"✓";color:var(--mandora-jade-700)}.character-attempt-stats{grid-column:1/-1;grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.character-attempt-stats div{background:var(--mandora-surface);border-radius:15px;gap:4px;padding:16px;display:grid}.character-attempt-stats span{color:var(--mandora-muted);font-size:.72rem}.character-attempt-stats strong{font-size:1.55rem}@keyframes character-result-enter{0%{opacity:0;transform:translateY(12px)scale(.99)}to{opacity:1;transform:none}}.practice-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.practice-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:24px 24px 24px 8px;align-content:start;min-height:300px;padding:25px;transition:transform .18s,box-shadow .18s;display:grid;position:relative;overflow:hidden}.practice-card:hover{transform:translateY(-5px);box-shadow:0 20px 46px #4a2d221a}.practice-card__index{color:var(--mandora-red-700);font-size:.72rem;font-weight:850}.practice-card>strong{color:var(--mandora-red-700);font-family:var(--font-chinese);margin:26px 0;font-size:4.4rem;font-weight:500;line-height:1}.practice-card h2{margin:0 0 9px;font-size:1.35rem}.practice-card p{color:var(--mandora-muted);margin:0;font-size:.88rem;line-height:1.62}.practice-card i{color:var(--mandora-red-700);font-style:normal;position:absolute;bottom:20px;right:22px}.practice-mode-page{background:var(--mandora-surface);min-height:72vh;padding:clamp(70px,9vw,125px) 0}.practice-mode-page__inner{justify-items:start;max-width:760px;display:grid}.practice-mode-page__character{background:var(--mandora-red-700);color:#fff;width:100px;height:100px;font-family:var(--font-chinese);border-radius:28px 28px 28px 9px;place-items:center;margin-bottom:28px;font-size:3.8rem;display:grid}.practice-mode-page h1{letter-spacing:-.055em;margin:0;font-size:clamp(3rem,7vw,6rem);line-height:1}.practice-mode-page__inner>p:not(.public-eyebrow){max-width:650px;color:var(--mandora-muted);margin:22px 0 32px;font-size:1.06rem;line-height:1.7}@media (width<=940px){.hsk-level-grid,.practice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-toolbar{flex-direction:column;align-items:stretch}.character-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.character-practice-flow{grid-template-columns:1fr}.character-compare,.character-result,.character-attempt-stats{grid-column:auto}.character-compare{flex-direction:column;align-items:flex-start}}@media (width<=680px){.hsk-level-grid,.vocabulary-grid,.practice-grid,.character-catalog-grid,.character-result,.character-attempt-stats{grid-template-columns:1fr}.character-practice-hero__content{flex-direction:column;align-items:flex-start}.character-result__score{width:140px}}@media (prefers-reduced-motion:reduce){.hsk-level-card,.practice-card,.character-card{transition:none}.character-result{animation:none}}.vocabulary-card__characters{border-top:1px solid var(--mandora-line);gap:9px;padding-top:4px;display:grid}.vocabulary-card__characters>span{color:var(--mandora-muted);letter-spacing:.09em;text-transform:uppercase;font-size:.68rem;font-weight:850}.vocabulary-card__characters>div{flex-wrap:wrap;gap:8px;display:flex}.vocabulary-card__characters button{border:1px solid var(--mandora-line);background:var(--mandora-surface);color:var(--mandora-ink);cursor:pointer;border-radius:12px;align-items:center;gap:7px;padding:7px 10px;transition:transform .18s,border-color .18s,background .18s;display:inline-flex}.vocabulary-card__characters button:hover,.vocabulary-card__characters button:focus-visible{border-color:var(--mandora-red-700);background:var(--mandora-red-100);transform:translateY(-2px)}.vocabulary-card__characters strong{color:var(--mandora-red-700);font-family:var(--font-chinese);font-size:1.15rem;font-weight:500}.vocabulary-card__characters small{color:var(--mandora-muted);font-size:.7rem;font-weight:750}.vocabulary-featured{gap:22px;display:grid}.vocabulary-featured__heading{justify-content:space-between;align-items:end;gap:24px;display:flex}.vocabulary-featured__heading span{color:var(--mandora-red-700);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem;font-weight:850}.vocabulary-featured__heading h2{margin:6px 0 0;font-size:clamp(1.7rem,3vw,2.45rem)}.vocabulary-featured__heading p{max-width:430px;color:var(--mandora-muted);margin:0;font-size:.84rem;line-height:1.6}.vocabulary-featured__viewport{padding:8px 0 18px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 3% 97%,#0000);mask-image:linear-gradient(90deg,#0000,#000 3% 97%,#0000)}.vocabulary-featured__track{gap:18px;width:max-content;animation:36s linear infinite vocabulary-featured-scroll;display:flex}.vocabulary-featured__viewport:hover .vocabulary-featured__track,.vocabulary-featured__viewport:focus-within .vocabulary-featured__track{animation-play-state:paused}.vocabulary-featured__track .vocabulary-card{width:clamp(280px,31vw,370px)}.character-practice-modal{z-index:1400;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1c15138c;place-items:center;padding:20px;animation:.18s ease-out both character-modal-backdrop;display:grid;position:fixed;inset:0}.character-practice-modal__dialog{border:1px solid var(--mandora-line);background:var(--mandora-surface);border-radius:28px 28px 28px 10px;width:min(1120px,100%);max-height:calc(100vh - 40px);animation:.22s ease-out both character-modal-enter;display:grid;overflow:auto;box-shadow:0 28px 90px #1e131047}.character-practice-modal__header{z-index:2;border-bottom:1px solid var(--mandora-line);background:color-mix(in srgb, var(--mandora-paper) 94%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;gap:18px;padding:20px 24px;display:flex;position:sticky;top:0}.character-practice-modal__header span{color:var(--mandora-red-700);letter-spacing:.09em;text-transform:uppercase;font-size:.68rem;font-weight:850}.character-practice-modal__header h2{margin:4px 0 0;font-size:1.8rem}.character-practice-modal__header p{color:var(--mandora-muted);margin:3px 0 0;font-size:.78rem}.character-practice-modal__header>button{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:42px;height:42px;color:var(--mandora-ink);cursor:pointer;border-radius:50%;flex:none;place-items:center;font-size:1.5rem;display:grid}.character-practice-modal__body{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:20px;padding:24px;display:grid}.character-practice-modal__body .stroke-player,.character-practice-modal__write{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:22px 22px 22px 8px;padding:22px}.character-practice-modal__write .handwriting-canvas-wrap{width:min(100%,390px)}.character-practice-modal__state{text-align:center;align-content:center;place-items:center;gap:8px;min-height:300px;padding:48px 24px;display:grid}.character-practice-modal__state.is-error strong{font-size:1.3rem}.character-practice-modal__state p{max-width:520px;color:var(--mandora-muted);margin:0}.character-practice-modal__state a,.character-practice-modal__full-link{color:var(--mandora-red-700);font-weight:800}.character-practice-modal__result{background:var(--mandora-red-100);border-radius:18px;grid-template-columns:96px minmax(0,1fr);align-items:center;gap:18px;margin-top:18px;padding:16px;display:grid}.character-practice-modal__result>strong{color:var(--mandora-red-700);font-size:2.6rem;line-height:1}.character-practice-modal__result>strong small{font-size:.75rem}.character-practice-modal__result h3,.character-practice-modal__result p{margin:0}.character-practice-modal__result ul{color:var(--mandora-muted);gap:4px;margin:8px 0 0;padding-left:18px;font-size:.76rem;display:grid}.character-practice-modal__full-link{margin-top:16px;font-size:.8rem;display:inline-block}@keyframes vocabulary-featured-scroll{to{transform:translate(calc(-50% - 9px))}}@keyframes character-modal-backdrop{0%{opacity:0}}@keyframes character-modal-enter{0%{opacity:0;transform:translateY(14px)scale(.985)}}@media (width<=820px){.vocabulary-featured__heading{flex-direction:column;align-items:start}.character-practice-modal{padding:10px}.character-practice-modal__dialog{border-radius:22px;max-height:calc(100vh - 20px)}.character-practice-modal__body{grid-template-columns:1fr;padding:14px}}@media (width<=560px){.vocabulary-featured__track .vocabulary-card{width:min(82vw,330px)}.character-practice-modal__header,.character-practice-modal__body .stroke-player,.character-practice-modal__write{padding:16px}}@media (prefers-reduced-motion:reduce){.vocabulary-featured__track,.character-practice-modal,.character-practice-modal__dialog{animation:none}.vocabulary-card__characters button{transition:none}}.lesson-outline-tools{gap:10px;margin-bottom:12px;display:grid}.lesson-outline-search{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:13px;align-items:center;gap:8px;padding:10px 12px;display:flex}.lesson-outline-search span{color:var(--mandora-muted)}.lesson-outline-search input{width:100%;min-width:0;color:var(--mandora-ink);font:inherit;background:0 0;border:0;outline:0;font-size:.84rem}.lesson-outline-filters{flex-wrap:wrap;gap:6px;display:flex}.lesson-outline-filters button,.lesson-outline-type{border:1px solid var(--mandora-line);background:var(--mandora-paper);color:var(--mandora-muted);border-radius:999px;font-size:.7rem;font-weight:800}.lesson-outline-filters button{flex:auto;padding:7px 9px}.lesson-outline-filters button.is-active{border-color:color-mix(in srgb, var(--mandora-red-700) 32%, var(--mandora-line));background:var(--mandora-red-100);color:var(--mandora-red-700)}.lesson-outline-type{border-radius:12px;width:100%;padding:9px 11px}.lesson-outline-scroll{scrollbar-gutter:stable;max-height:calc(100vh - 300px);padding-right:4px;overflow:auto}.course-outline--compact .course-unit>header{padding-right:42px;position:relative}.course-unit__toggle{width:28px;height:28px;color:var(--mandora-muted);background:0 0;border:0;border-radius:8px;place-items:center;display:grid;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.course-unit__toggle span{transition:transform .16s}.course-unit__toggle[aria-expanded=true] span{transform:rotate(180deg)}.course-outline--compact .course-unit li a i.is-complete{color:var(--mandora-jade-700);font-weight:900}.lesson-outline-mobile-trigger{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:100%;color:var(--mandora-ink);border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:11px 14px;font-weight:800;display:none}.lesson-outline-drawer{z-index:500;display:none;position:fixed;inset:0}.lesson-outline-drawer__backdrop{background:#19121485;border:0;position:absolute;inset:0}.lesson-outline-drawer__panel{background:var(--mandora-surface);width:min(88vw,390px);padding:18px;position:absolute;top:0;bottom:0;left:0;overflow:hidden;box-shadow:20px 0 50px #1912142e}.lesson-outline-drawer__panel>header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.lesson-outline-drawer__panel>header>div{gap:3px;display:grid}.lesson-outline-drawer__panel>header small{color:var(--mandora-muted);text-transform:uppercase;font-size:.68rem;font-weight:800}.lesson-outline-drawer__panel>header strong{color:var(--mandora-ink)}.lesson-outline-drawer__panel>header>button{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:36px;height:36px;color:var(--mandora-ink);border-radius:50%;place-items:center;font-size:1.25rem;display:grid}.lesson-outline-drawer .lesson-outline-scroll{max-height:calc(100vh - 210px)}@media (width<=980px){.lesson-sidebar{display:none}.lesson-outline-mobile-trigger,.lesson-outline-drawer{display:flex}.lesson-outline-mobile-trigger{grid-column:1}.lesson-outline-drawer{align-items:stretch}}.lesson-vocabulary-section{border-top:1px solid var(--mandora-line);gap:20px;min-width:0;margin-top:42px;padding-top:34px;display:grid}.lesson-vocabulary-section__heading{justify-content:space-between;align-items:end;gap:20px;display:flex}.lesson-vocabulary-section__heading>div{gap:6px;display:grid}.lesson-vocabulary-section__heading span{color:var(--mandora-red-700);letter-spacing:.12em;text-transform:uppercase;font-size:.68rem;font-weight:900}.lesson-vocabulary-section__heading h2{color:var(--mandora-ink);margin:0;font-size:clamp(1.45rem,3vw,2rem)}.lesson-vocabulary-section__heading a{color:var(--mandora-red-700);font-size:.78rem;font-weight:850;text-decoration:none}.lesson-vocabulary-toolbar{z-index:3;border:1px solid var(--mandora-line);background:color-mix(in srgb, var(--mandora-paper) 94%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:18px;grid-template-columns:minmax(240px,1fr) auto auto;align-items:center;gap:12px;padding:12px;display:grid;position:sticky;top:88px}.lesson-vocabulary-search{border:1px solid var(--mandora-line);background:var(--mandora-surface);border-radius:13px;align-items:center;gap:8px;min-width:0;padding:10px 12px;display:flex}.lesson-vocabulary-search span{color:var(--mandora-muted);font-size:1rem}.lesson-vocabulary-search input{width:100%;min-width:0;color:var(--mandora-ink);font:inherit;background:0 0;border:0;outline:0}.lesson-vocabulary-filters{flex-wrap:wrap;gap:7px;display:flex}.lesson-vocabulary-filters button{border:1px solid var(--mandora-line);background:var(--mandora-paper);color:var(--mandora-muted);border-radius:999px;padding:8px 11px;font-size:.74rem;font-weight:800}.lesson-vocabulary-filters button.is-active{border-color:color-mix(in srgb, var(--mandora-red-700) 32%, var(--mandora-line));background:var(--mandora-red-100);color:var(--mandora-red-700)}.lesson-vocabulary-toolbar>small{color:var(--mandora-muted);white-space:nowrap;font-size:.72rem}.lesson-vocabulary-scroll{scrollbar-gutter:stable;max-height:min(68vh,760px);padding:2px 8px 10px 2px;overflow:auto}.lesson-vocabulary-scroll:focus-visible{outline:2px solid color-mix(in srgb, var(--mandora-red-700) 55%, transparent);outline-offset:5px;border-radius:16px}.lesson-vocabulary-grid{grid-template-columns:repeat(3,minmax(260px,1fr));gap:20px;display:grid}.lesson-vocabulary-grid>*{min-width:0}.lesson-vocabulary-empty{border:1px dashed var(--mandora-line);color:var(--mandora-muted);background:var(--mandora-surface);border-radius:16px;margin:0;padding:20px}@media (width>=1680px){.lesson-vocabulary-grid{grid-template-columns:repeat(4,minmax(240px,1fr))}}@media (width<=1280px){.lesson-vocabulary-grid{grid-template-columns:repeat(2,minmax(240px,1fr))}.lesson-vocabulary-toolbar{grid-template-columns:1fr}.lesson-vocabulary-toolbar>small{white-space:normal}}@media (width<=980px){.lesson-vocabulary-toolbar{position:static}.lesson-vocabulary-grid{grid-template-columns:repeat(2,minmax(220px,1fr))}.lesson-vocabulary-scroll{max-height:none;padding-right:0;overflow:visible}}@media (width<=640px){.lesson-vocabulary-section__heading{flex-direction:column;align-items:flex-start}.lesson-vocabulary-filters{width:100%}.lesson-vocabulary-filters button{flex:auto}.lesson-vocabulary-grid{grid-template-columns:1fr}}.home-product-video{background:var(--mandora-ink);color:#fff}.home-product-video__grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center;gap:clamp(32px,6vw,80px);display:grid}.home-product-video h2,.home-product-video .text-link{color:#fff}.home-product-video p{color:#ffffffb8;line-height:1.7}.home-product-video__player{aspect-ratio:16/9;background:#111;border:1px solid #ffffff29;border-radius:26px;overflow:hidden}.home-product-video__player video,.home-product-video__player iframe{object-fit:cover;border:0;width:100%;height:100%}.home-product-video__placeholder{text-align:center;align-content:center;place-items:center;gap:8px;height:100%;display:grid}.home-product-video__placeholder span{font-size:4rem}.home-product-video__placeholder small{color:#ffffff9e}.home-exam-cta{background:var(--mandora-red-100);padding-block:50px}.home-exam-cta__inner{justify-content:space-between;align-items:center;gap:30px;display:flex}.home-exam-cta h2{margin:6px 0}.home-exam-cta p{max-width:720px;color:var(--mandora-muted)}.home-demo-label{color:var(--mandora-muted);margin:-14px 0 24px;font-size:.8rem}.home-resource-grid,.home-testimonial-grid,.home-pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.home-resource-grid>article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:20px;grid-template-columns:130px 1fr;gap:18px;padding:18px;display:grid}.home-resource-cover{background:linear-gradient(145deg,var(--mandora-red-700),#5f1627);color:#fff;min-height:190px;box-shadow:8px 8px 0 var(--mandora-red-100);border-radius:12px 18px 18px 12px;flex-direction:column;justify-content:space-between;padding:14px;display:flex;position:relative;overflow:hidden}.home-resource-cover:after{content:"";border:1px solid #ffffff47;border-radius:50%;width:95px;height:95px;position:absolute;bottom:-25px;right:-25px}.home-resource-cover strong{font-size:3.7rem;font-weight:500}.home-resource-grid article>div:last-child>span{color:var(--mandora-red-700);font-size:.7rem;font-weight:900}.home-resource-grid h3{margin:7px 0}.home-resource-grid p{color:var(--mandora-muted);font-size:.85rem;line-height:1.55}.home-testimonials{background:var(--mandora-surface)}.home-testimonial-grid article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:22px;padding:26px}.home-testimonial-grid span{color:var(--mandora-red-700);font-size:.72rem;font-weight:900}.home-testimonial-grid blockquote{margin:18px 0 0;font-size:1.05rem;line-height:1.75}.home-pricing-grid article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:24px;flex-direction:column;min-height:280px;padding:28px;display:flex}.home-pricing-grid article.is-featured{border-color:var(--mandora-red-700);box-shadow:0 18px 50px #6e23301f}.home-pricing-grid article>span{font-weight:900}.home-pricing-grid article>strong{margin-top:14px;font-size:2rem}.home-pricing-grid p{color:var(--mandora-muted);line-height:1.6}.home-pricing-grid .button{margin-top:auto}@media (width<=960px){.home-product-video__grid,.home-resource-grid,.home-testimonial-grid,.home-pricing-grid{grid-template-columns:1fr}.home-exam-cta__inner{flex-direction:column;align-items:flex-start}}@media (width<=520px){.home-resource-grid>article{grid-template-columns:100px 1fr}.home-resource-cover{min-height:160px}}.home-hero{align-items:center;min-height:calc(100vh - 76px);display:flex}.home-hero__pillars{flex-wrap:wrap;gap:9px;margin-top:34px;display:flex}.home-hero__pillars span{border:1px solid var(--mandora-line);background:color-mix(in srgb,var(--mandora-paper) 75%,transparent);color:var(--mandora-muted);border-radius:999px;padding:7px 11px;font-size:.72rem;font-weight:700}.home-learning-card{align-content:center}.home-learning-card__top{justify-content:space-between;align-items:center;gap:15px;width:100%;display:flex}.home-learning-card__top>span,.home-learning-card__top>small{color:var(--mandora-muted);letter-spacing:.06em;text-transform:uppercase;font-size:.68rem;font-weight:750}.home-learning-card__top>small{background:var(--mandora-gold-100);color:#886014;border-radius:999px;padding:5px 8px}.home-learning-card__line{border-top:1px solid var(--mandora-line);width:100%;color:var(--mandora-muted);align-items:center;gap:10px;margin-top:8px;padding-top:16px;font-size:.72rem;display:flex}.home-learning-card__line i{background:var(--mandora-jade-700);border-radius:50%;width:8px;height:8px}.home-metrics{z-index:2;background:var(--mandora-paper);padding:0 0 34px;position:relative}.home-metrics__grid{border:1px solid var(--mandora-line);background:var(--mandora-surface);box-shadow:var(--mandora-shadow-sm,0 8px 28px #2e1f1b0f);border-radius:22px;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}.home-metrics__grid article{border-right:1px solid var(--mandora-line);align-content:center;gap:5px;min-height:132px;padding:24px;display:grid}.home-metrics__grid article:last-child{border-right:0}.home-metrics__grid strong{color:var(--mandora-red-700);letter-spacing:-.045em;font-variant-numeric:tabular-nums;font-size:clamp(1.9rem,4vw,3.2rem);line-height:1}.home-metrics__grid span{color:var(--mandora-ink);font-size:.9rem;font-weight:800}.home-metrics__grid small{color:var(--mandora-muted);line-height:1.45}.home-partners{background:var(--mandora-paper);padding:30px 0 42px;overflow:hidden}.home-partners__viewport{margin-top:17px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 7% 93%,#0000);mask-image:linear-gradient(90deg,#0000,#000 7% 93%,#0000)}.home-partners__track{align-items:center;gap:18px;width:max-content;animation:28s linear infinite mandora-partner-marquee;display:flex}.home-partners__track>a,.home-partners__track>span{border:1px solid var(--mandora-line);background:var(--mandora-surface);min-width:150px;height:68px;color:var(--mandora-muted);border-radius:16px;place-items:center;padding:10px 18px;text-decoration:none;display:grid}.home-partners__track img{object-fit:contain;filter:saturate(.82);width:auto;max-width:125px;height:42px}.home-partners__viewport:hover .home-partners__track{animation-play-state:paused}@keyframes mandora-partner-marquee{to{transform:translate(-50%)}}.home-section{background:var(--mandora-paper);padding:clamp(78px,9vw,124px) 0}.home-section--tinted,.home-section--vocabulary{background:var(--mandora-surface)}.home-section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px;display:flex}.home-section-heading h2,.home-features__intro h2,.home-vocabulary__grid h2,.home-location h2{letter-spacing:-.05em;max-width:780px;margin:0;font-size:clamp(2.25rem,4.5vw,4.5rem);line-height:1.03}.home-learning-path{padding-top:clamp(58px,7vw,96px);overflow:hidden}.home-learning-path__map{min-height:330px;position:relative}.home-learning-path__line{pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.home-learning-path__line path{fill:none;stroke:color-mix(in srgb,var(--mandora-red-700) 45%,var(--mandora-line));stroke-width:3px;stroke-linecap:round;stroke-dasharray:.025 .018;animation:5s linear infinite mandora-path-flow}@keyframes mandora-path-flow{to{stroke-dashoffset:-.43px}}.home-learning-path__grid{z-index:1;grid-template-columns:repeat(4,minmax(0,1fr));align-items:start;gap:24px;min-height:300px;display:grid;position:relative}.home-learning-path__grid article{gap:16px;padding:0 8px;display:grid}.home-learning-path__grid article.is-low{margin-top:118px}.home-learning-path__grid article>span{border:2px solid color-mix(in srgb,var(--mandora-red-700) 34%,var(--mandora-line));background:var(--mandora-paper);width:68px;height:68px;color:var(--mandora-red-700);box-shadow:0 0 0 10px var(--mandora-paper),0 8px 24px #56272d17;border-radius:50%;place-items:center;font-size:.78rem;font-weight:900;animation:2.8s ease-in-out infinite mandora-path-node;display:grid}.home-learning-path__grid article:nth-child(2)>span{animation-delay:.25s}.home-learning-path__grid article:nth-child(3)>span{animation-delay:.5s}.home-learning-path__grid article:nth-child(4)>span{animation-delay:.75s}@keyframes mandora-path-node{50%{box-shadow:0 0 0 10px var(--mandora-paper),0 14px 30px #56272d26;transform:translateY(-6px)}}.home-learning-path__grid h3{color:var(--mandora-ink);margin:0 0 8px;font-size:1.05rem}.home-learning-path__grid p{color:var(--mandora-muted);margin:0;font-size:.86rem;line-height:1.65}.home-hsk-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.home-hsk-grid .hsk-level-card{grid-template-columns:58px minmax(0,1fr);min-height:150px;padding:19px}.home-hsk-grid .hsk-level-card__number{width:58px;height:72px;font-size:1.65rem}.home-course-carousel{gap:18px;display:grid}.home-course-carousel__viewport{overflow:hidden}.home-course-carousel__track{will-change:transform;transition:transform .65s cubic-bezier(.22,1,.36,1);display:flex}.home-course-carousel__slide{flex:0 0 100%;min-width:100%;margin-top:22px}.home-course-carousel__dots{justify-content:center;gap:8px;display:flex}.home-course-carousel__dots button{background:color-mix(in srgb,var(--mandora-red-700) 20%,var(--mandora-line));cursor:pointer;border:0;border-radius:999px;width:9px;height:9px;padding:0;transition:width .2s,background .2s}.home-course-carousel__dots button.is-active{background:var(--mandora-red-700);width:28px}.home-course-grid{margin-top:22px}.home-features{color:#fff;background:#272021}.home-features__grid{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:start;gap:clamp(48px,9vw,110px);display:grid}.home-features__intro{position:sticky;top:110px}.home-features__intro h2{color:#fff}.home-features__intro>p:last-child{color:#ffffff9e;max-width:540px;margin:24px 0 0;line-height:1.75}.home-feature-list{display:grid}.home-feature-list article{border-top:1px solid #ffffff1f;grid-template-columns:90px minmax(0,1fr);gap:24px;padding:28px 0;display:grid}.home-feature-list article:last-child{border-bottom:1px solid #ffffff1f}.home-feature-list article>span{color:var(--mandora-gold-500);font-family:var(--font-chinese);font-size:3.5rem;line-height:1}.home-feature-list small{color:#ffffff73;font-size:.68rem;font-weight:800}.home-feature-list h3{color:#fff;margin:8px 0;font-size:1.25rem}.home-feature-list p{color:#ffffff94;margin:0;font-size:.9rem;line-height:1.65}.home-vocabulary__grid{grid-template-columns:minmax(0,.8fr) minmax(400px,.72fr);align-items:center;gap:clamp(45px,9vw,105px);display:grid}.home-vocabulary__grid>div:first-child>p:not(.public-eyebrow){max-width:560px;color:var(--mandora-muted);margin:24px 0 30px;line-height:1.75}.home-vocabulary__grid .demo-notice{margin-bottom:14px}.home-section--blog{background:var(--mandora-paper)}.home-location{background:var(--mandora-surface)}.home-location__grid{grid-template-columns:minmax(280px,.7fr) minmax(0,1.3fr);align-items:center;gap:clamp(30px,6vw,72px);display:grid}.home-location h3{color:var(--mandora-ink);margin:24px 0 7px;font-size:1.15rem}.home-location p:not(.public-eyebrow){max-width:520px;color:var(--mandora-muted);margin:0 0 24px;line-height:1.7}.home-location .spg-map-embed{border:1px solid var(--mandora-line);min-height:390px;box-shadow:var(--mandora-shadow);border-radius:24px;overflow:hidden}.home-location .spg-map-embed iframe{min-height:390px}.home-final-cta{background:var(--mandora-paper);padding-top:30px}.home-final-cta__actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.button--ghost-light{color:#fff;border-color:#ffffff59}@media (width<=960px){.home-metrics__grid,.home-learning-path__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-metrics__grid article:nth-child(2){border-right:0}.home-learning-path__map{min-height:auto}.home-learning-path__line{display:none}.home-learning-path__grid{min-height:0}.home-learning-path__grid article.is-low{margin-top:0}.home-hsk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-features__grid,.home-vocabulary__grid,.home-location__grid{grid-template-columns:1fr}.home-features__intro{position:static}}@media (width<=650px){.home-metrics__grid,.home-learning-path__grid{grid-template-columns:1fr}.home-metrics__grid article{border-right:0;border-bottom:1px solid var(--mandora-line);min-height:104px}.home-metrics__grid article:last-child{border-bottom:0}.home-learning-path__grid article{grid-template-columns:56px minmax(0,1fr);align-items:start}.home-learning-path__grid article>span{width:52px;height:52px;box-shadow:none;animation:none}.home-section-heading,.home-final-cta__actions{flex-direction:column;align-items:flex-start}.home-hsk-grid{grid-template-columns:1fr}.home-feature-list article{grid-template-columns:64px minmax(0,1fr)}.home-feature-list article>span{font-size:2.6rem}.home-vocabulary__grid{grid-template-columns:minmax(0,1fr)}.home-final-cta__actions{width:100%}.home-partners__track>a,.home-partners__track>span{min-width:128px}.home-course-carousel__slide{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.home-partners__track,.home-learning-path__line path,.home-learning-path__grid article>span{animation:none}.home-course-carousel__track{transition:none}}.student-progress-page{background:var(--mandora-surface);padding:clamp(42px,7vw,84px) 0}.student-progress-overview{grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:12px;display:grid}.student-progress-overview article,.student-progress-course,.student-quiz-history article{border:1px solid var(--mandora-line);background:var(--mandora-paper)}.student-progress-overview article{border-radius:18px 18px 18px 6px;gap:5px;padding:22px;display:grid}.student-progress-overview span,.student-progress-overview small,.student-progress-course p,.student-progress-muted,.student-quiz-history small{color:var(--mandora-muted)}.student-progress-overview strong{font-size:2rem}.student-progress-section{margin-top:clamp(38px,6vw,68px)}.student-progress-section>header{margin-bottom:20px}.student-progress-section h2{margin:6px 0 0;font-size:clamp(1.7rem,4vw,2.5rem)}.student-progress-courses{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;display:grid}.student-progress-course{border-radius:22px 22px 22px 8px;align-content:start;gap:20px;padding:24px;display:grid}.student-progress-course h3{margin:7px 0;font-size:1.35rem}.student-quiz-history{gap:9px;display:grid}.student-quiz-history article{border-radius:14px;justify-content:space-between;align-items:center;gap:18px;padding:17px 20px;display:flex}.student-quiz-history strong,.student-quiz-history small{display:block}.student-quiz-history span{font-weight:800}.student-quiz-history span.is-passed{color:var(--mandora-jade-700)}.student-quiz-history span.is-failed{color:var(--mandora-red-700)}.my-course-card__actions{flex-wrap:wrap;gap:9px;display:flex}.student-action-error{color:var(--mandora-red-700);margin-bottom:18px;font-weight:700}@media (width<=560px){.student-quiz-history article{flex-direction:column;align-items:flex-start}}.learning-dashboard-page{background:radial-gradient(circle at 85% 12%, color-mix(in srgb, var(--mandora-gold-100) 75%, transparent), transparent 26rem), var(--mandora-surface);min-height:70vh;padding-bottom:clamp(64px,8vw,110px)}.learning-dashboard-page>.public-container:first-child{padding-top:clamp(60px,10vw,110px)}.learning-dashboard-hero{border-bottom:1px solid var(--mandora-line);background:linear-gradient(128deg, color-mix(in srgb, var(--mandora-red-800) 94%, #281419), var(--mandora-red-700));color:#fffdf8;overflow:hidden}.learning-dashboard-hero__inner{grid-template-columns:minmax(0,1fr) minmax(250px,340px);align-items:center;gap:clamp(32px,7vw,86px);min-height:390px;padding-top:clamp(60px,8vw,92px);padding-bottom:clamp(60px,8vw,92px);display:grid}.learning-dashboard-hero .public-eyebrow{color:var(--mandora-gold-500)}.learning-dashboard-hero h1{max-width:720px;color:inherit;letter-spacing:-.055em;margin:8px 0 15px;font-size:clamp(2.3rem,6vw,4.8rem);line-height:.98}.learning-dashboard-hero__inner>div>p:not(.public-eyebrow){color:#fffdf8c2;max-width:600px;margin:0 0 24px;font-size:1.02rem;line-height:1.7}.learning-dashboard-hero .button--primary{background:var(--mandora-gold-500);color:#351d20}.learning-dashboard-streak{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffff1a;border:1px solid #ffffff30;border-radius:28px 28px 28px 8px;grid-template-columns:auto 1fr;align-items:center;gap:16px;padding:28px;display:grid;position:relative;box-shadow:0 26px 70px #2a0a1240}.learning-dashboard-streak>span{background:var(--mandora-gold-500);color:#4a2521;border-radius:22px 22px 22px 7px;place-items:center;width:68px;height:68px;font-size:2rem;font-style:normal;display:grid}.learning-dashboard-streak small,.learning-dashboard-streak strong,.learning-dashboard-streak b{display:block}.learning-dashboard-streak small{color:#ffffffad}.learning-dashboard-streak strong{float:left;margin-right:8px;font-size:3.6rem;line-height:1}.learning-dashboard-streak b{padding-top:31px}.learning-dashboard-streak p{color:#ffffffb8;border-top:1px solid #ffffff24;grid-column:1/-1;margin:0;padding-top:16px;font-size:.84rem}.learning-dashboard-content{gap:clamp(42px,6vw,72px);padding-top:30px;display:grid}.learning-dashboard-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.learning-dashboard-metric,.learning-dashboard-panel,.learning-dashboard-course,.learning-dashboard-timeline>*{border:1px solid var(--mandora-line);background:color-mix(in srgb, var(--mandora-paper) 96%, transparent);box-shadow:0 16px 40px #3929220b}.learning-dashboard-metric{border-radius:20px 20px 20px 6px;align-content:center;gap:5px;min-height:142px;padding:22px;display:grid}.learning-dashboard-metric span,.learning-dashboard-metric small{color:var(--mandora-muted)}.learning-dashboard-metric span{text-transform:uppercase;letter-spacing:.06em;font-size:.77rem;font-weight:800}.learning-dashboard-metric strong{color:var(--mandora-ink);font-size:2.25rem;line-height:1}.learning-dashboard-metric small{font-size:.75rem}.learning-dashboard-top-grid{grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:18px;display:grid}.learning-dashboard-panel{border-radius:26px 26px 26px 9px;padding:clamp(22px,3vw,32px)}.learning-dashboard-section-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px;display:flex}.learning-dashboard-section-heading h2{color:var(--mandora-ink);letter-spacing:-.035em;margin:5px 0 0;font-size:clamp(1.45rem,3vw,2rem)}.learning-dashboard-section-heading>a,.learning-dashboard-section-heading>span,.learning-dashboard-section-heading>small{color:var(--mandora-muted);font-size:.78rem;font-weight:800;text-decoration:none}.learning-dashboard-section-heading>a:hover{color:var(--mandora-red-700)}.learning-dashboard-plan__list{gap:9px;display:grid}.learning-dashboard-plan__item{border:1px solid var(--mandora-line);min-height:76px;color:var(--mandora-ink);border-radius:16px;grid-template-columns:22px 46px minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 14px;text-decoration:none;transition:transform .16s,border-color .16s;display:grid}.learning-dashboard-plan__item:hover{border-color:color-mix(in srgb, var(--mandora-red-700) 45%, var(--mandora-line));transform:translate(3px)}.learning-dashboard-plan__number{color:var(--mandora-muted);font-size:.72rem;font-weight:900}.learning-dashboard-plan__icon{background:var(--mandora-red-100);width:44px;height:44px;color:var(--mandora-red-700);border-radius:14px 14px 14px 5px;place-items:center;font-family:serif;font-size:1.25rem;font-weight:900;display:grid}.learning-dashboard-plan__item strong,.learning-dashboard-plan__item small{display:block}.learning-dashboard-plan__item small{color:var(--mandora-muted);margin-top:4px}.learning-dashboard-plan__item b{color:var(--mandora-red-700)}.learning-dashboard-bars{grid-template-columns:repeat(7,1fr);gap:8px;min-height:180px;display:grid}.learning-dashboard-bar{text-align:center;grid-template-rows:22px 1fr 22px;gap:6px;display:grid}.learning-dashboard-bar>span,.learning-dashboard-bar small{color:var(--mandora-muted);font-size:.7rem;font-weight:800}.learning-dashboard-bar>div{background:var(--mandora-surface);border-radius:10px 10px 4px 4px;position:relative;overflow:hidden}.learning-dashboard-bar i{height:var(--activity-height);border-radius:inherit;background:color-mix(in srgb, var(--mandora-line) 70%, transparent);position:absolute;bottom:0;left:0;right:0}.learning-dashboard-bar i.is-active{background:linear-gradient(var(--mandora-gold-500), var(--mandora-red-700))}.learning-dashboard-footnote{color:var(--mandora-muted);margin:18px 0 0;font-size:.74rem;line-height:1.55}.learning-dashboard-course-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;display:grid}.learning-dashboard-course{border-radius:22px 22px 22px 8px;align-content:start;gap:20px;padding:25px;display:grid}.learning-dashboard-course span,.learning-dashboard-course p{color:var(--mandora-muted)}.learning-dashboard-course span{text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:900}.learning-dashboard-course h3{color:var(--mandora-ink);margin:7px 0;font-size:1.3rem}.learning-dashboard-course p{margin:0}.learning-dashboard-course .button{justify-self:start}.learning-dashboard-domain-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.learning-dashboard-domain__lead{background:var(--mandora-surface);border-radius:17px;grid-template-columns:auto 1fr;align-items:end;gap:0 10px;padding:18px;display:grid}.learning-dashboard-domain__lead strong{color:var(--mandora-red-700);grid-row:1/3;font-size:3rem;line-height:.9}.learning-dashboard-domain__lead span{color:var(--mandora-ink);font-weight:800}.learning-dashboard-domain__lead small{color:var(--mandora-muted)}.learning-dashboard-stage-grid,.learning-dashboard-rating-grid,.learning-dashboard-score-row{gap:8px;margin-top:12px;display:grid}.learning-dashboard-stage-grid,.learning-dashboard-rating-grid{grid-template-columns:repeat(4,1fr)}.learning-dashboard-stage-grid div,.learning-dashboard-rating-grid div,.learning-dashboard-score-row div{border:1px solid var(--mandora-line);text-align:center;border-radius:13px;padding:12px}.learning-dashboard-stage-grid span,.learning-dashboard-rating-grid span,.learning-dashboard-score-row span{color:var(--mandora-muted);font-size:.68rem;display:block}.learning-dashboard-stage-grid strong,.learning-dashboard-rating-grid strong,.learning-dashboard-score-row strong{color:var(--mandora-ink);margin-top:5px;font-size:1.2rem;display:block}.learning-dashboard-score-row{grid-template-columns:repeat(2,1fr);margin-top:0}.learning-dashboard-score-row strong{font-size:2rem}.learning-dashboard-facts{gap:0;margin:14px 0 0;display:grid}.learning-dashboard-facts div{border-bottom:1px solid var(--mandora-line);justify-content:space-between;gap:14px;padding:11px 0;display:flex}.learning-dashboard-facts div:last-child{border-bottom:0}.learning-dashboard-facts dt{color:var(--mandora-muted)}.learning-dashboard-facts dd{color:var(--mandora-ink);text-align:right;margin:0;font-weight:800}.learning-dashboard-timeline{gap:8px;display:grid}.learning-dashboard-timeline>*{min-height:76px;color:var(--mandora-ink);border-radius:15px;grid-template-columns:12px minmax(0,1fr) auto;align-items:center;gap:14px;padding:15px 20px;text-decoration:none;display:grid}.learning-dashboard-timeline i{background:var(--mandora-red-700);width:10px;height:10px;box-shadow:0 0 0 5px var(--mandora-red-100);border-radius:50%}.learning-dashboard-timeline span>*{display:block}.learning-dashboard-timeline small,.learning-dashboard-timeline em,.learning-dashboard-timeline time,.learning-dashboard-empty-line{color:var(--mandora-muted)}.learning-dashboard-timeline small{text-transform:uppercase;letter-spacing:.06em;font-size:.68rem;font-weight:800}.learning-dashboard-timeline strong{margin-top:3px}.learning-dashboard-timeline em{margin-top:3px;font-size:.76rem;font-style:normal}.learning-dashboard-timeline time{font-size:.74rem}.learning-dashboard-empty-line{border:1px dashed var(--mandora-line);text-align:center;border-radius:17px;margin:0;padding:28px}@media (width<=1050px){.learning-dashboard-metrics,.learning-dashboard-domain-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-dashboard-domain-grid>:first-child{grid-column:1/-1}.learning-dashboard-top-grid{grid-template-columns:1fr}}@media (width<=760px){.learning-dashboard-hero__inner{grid-template-columns:1fr}.learning-dashboard-streak{max-width:420px}.learning-dashboard-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=560px){.learning-dashboard-hero h1{font-size:2.45rem}.learning-dashboard-metrics,.learning-dashboard-domain-grid{grid-template-columns:1fr}.learning-dashboard-domain-grid>:first-child{grid-column:auto}.learning-dashboard-section-heading{flex-direction:column;align-items:flex-start;gap:8px}.learning-dashboard-plan__item{grid-template-columns:18px 42px minmax(0,1fr)}.learning-dashboard-plan__item b{display:none}.learning-dashboard-timeline>*{grid-template-columns:12px 1fr}.learning-dashboard-timeline time{grid-column:2}.learning-dashboard-rating-grid{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){.learning-dashboard-plan__item{transition:none}}.learning-dashboard-verification{border:1px solid var(--mandora-line);border-left:4px solid var(--mandora-gold-500);background:var(--mandora-paper);justify-content:space-between;align-items:center;gap:18px;padding:16px 18px;display:flex}.learning-dashboard-verification p{color:var(--mandora-muted);margin:3px 0 0}@media (width<=640px){.learning-dashboard-verification{flex-direction:column;align-items:stretch}}.vocabulary-review-page{background:var(--mandora-surface);padding:46px 0 100px}.review-summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:30px;display:grid}.review-summary article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:20px;gap:6px;padding:20px;display:grid}.review-summary span,.review-session__meta{color:var(--mandora-muted);font-size:.82rem}.review-summary strong{font-size:1.8rem}.review-mode-picker{width:min(980px,100%);margin:0 auto}.review-mode-picker__heading{max-width:650px;margin-bottom:24px}.review-mode-picker__heading>span{color:var(--mandora-red-700);letter-spacing:.11em;text-transform:uppercase;font-size:.72rem;font-weight:900}.review-mode-picker__heading h2{margin:7px 0 8px;font-size:clamp(1.8rem,4vw,2.8rem)}.review-mode-picker__heading p{color:var(--mandora-muted);margin:0;line-height:1.65}.review-mode-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.review-mode-grid button{border:1px solid var(--mandora-line);background:var(--mandora-paper);min-height:190px;color:var(--mandora-ink);text-align:left;cursor:pointer;border-radius:24px 24px 24px 8px;align-content:start;gap:10px;padding:22px;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;position:relative}.review-mode-grid button:hover{border-color:color-mix(in srgb, var(--mandora-red-700) 40%, var(--mandora-line));transform:translateY(-4px);box-shadow:0 18px 45px #4a2d2217}.review-mode-grid button.is-recommended{border-color:color-mix(in srgb, var(--mandora-jade-700) 42%, var(--mandora-line))}.review-mode-grid button>span{background:var(--mandora-red-100);width:48px;height:48px;color:var(--mandora-red-700);border-radius:15px;place-items:center;font-size:1.15rem;font-weight:900;display:grid}.review-mode-grid button strong{font-size:1rem}.review-mode-grid button small{color:var(--mandora-muted);line-height:1.55}.review-mode-grid button i{background:var(--mandora-jade-100);color:var(--mandora-jade-700);border-radius:999px;padding:5px 8px;font-size:.66rem;font-style:normal;font-weight:850;position:absolute;top:16px;right:16px}.review-session{width:min(760px,100%);margin:0 auto}.review-session-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;display:flex}.review-session-toolbar>div{gap:3px;display:grid}.review-session-toolbar span{color:var(--mandora-muted);font-size:.75rem;font-weight:750}.review-session-toolbar strong{font-size:.95rem}.review-session-toolbar>button,.review-flip-back{border:1px solid var(--mandora-line);background:var(--mandora-paper);color:var(--mandora-muted);cursor:pointer;border-radius:999px;padding:8px 11px;font-size:.74rem;font-weight:800}.review-progress{background:var(--mandora-line);border-radius:999px;height:7px;margin-bottom:18px;overflow:hidden}.review-progress span{border-radius:inherit;background:var(--mandora-jade-700);height:100%;transition:width .26s;display:block}.review-flip-scene{perspective:1400px}.review-flashcard{min-height:560px}.review-flashcard__inner{min-height:560px;transform-style:preserve-3d;transition:transform .56s cubic-bezier(.22,.7,.2,1);position:relative}.review-flashcard.is-revealed .review-flashcard__inner{transform:rotateY(180deg)}.review-flashcard__face{border:1px solid var(--mandora-line);background:var(--mandora-paper);backface-visibility:hidden;border-radius:32px 32px 32px 10px;position:absolute;inset:0;overflow:auto;box-shadow:0 24px 70px #4a2d221a}.review-flashcard__front{text-align:center;align-content:center;place-items:center;gap:18px;min-height:560px;padding:clamp(32px,6vw,68px);display:grid}.review-card-topline{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}.review-card-topline>span{background:var(--mandora-red-100);color:var(--mandora-red-700);border-radius:999px;padding:6px 10px;font-size:.72rem;font-weight:850}.review-card-topline>small{color:var(--mandora-muted);font-size:.75rem}.review-flashcard__front>strong{overflow-wrap:anywhere;max-width:100%;font-family:var(--font-chinese);font-size:clamp(4.2rem,11vw,8rem);font-weight:500;line-height:1.08}.review-flashcard__front>small{color:var(--mandora-muted)}.review-reveal-button{min-width:150px;margin-top:12px}.review-answer-form,.review-choice-form{gap:12px;width:min(520px,100%);margin-top:8px;display:grid}.review-answer-form label{color:var(--mandora-muted);font-size:.76rem;font-weight:800}.review-answer-form input{border:1px solid var(--mandora-line);background:var(--mandora-surface);width:100%;color:var(--mandora-ink);font:inherit;text-align:center;border-radius:15px;outline:0;padding:14px 16px}.review-answer-form input:focus{border-color:var(--mandora-red-700);box-shadow:0 0 0 3px color-mix(in srgb, var(--mandora-red-700) 12%, transparent)}.review-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.review-choice-grid label{border:1px solid var(--mandora-line);background:var(--mandora-surface);cursor:pointer;border-radius:15px;place-items:center;min-height:68px;padding:12px;display:grid;position:relative}.review-choice-grid label.is-selected{border-color:var(--mandora-red-700);background:var(--mandora-red-100)}.review-choice-grid input{opacity:0;pointer-events:none;position:absolute}.review-choice-grid span{font-size:.9rem;font-weight:750}.review-flashcard__back{align-content:center;gap:16px;min-height:560px;padding:clamp(28px,5vw,52px);display:grid;transform:rotateY(180deg)}.review-answer-status{justify-content:center;align-items:center;gap:9px;display:flex}.review-answer-status>span{background:var(--mandora-surface);border-radius:50%;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.review-answer-status[data-status=correct]{color:var(--mandora-jade-700)}.review-answer-status[data-status=incorrect]{color:var(--mandora-red-700)}.review-flashcard__answer{text-align:center;gap:13px;display:grid}.review-flashcard__answer>span{font-family:var(--font-chinese);font-size:clamp(2.8rem,7vw,5rem);line-height:1}.review-flashcard__answer>strong{color:var(--mandora-jade-700);font-size:1.35rem}.review-flashcard__answer>p{margin:0;font-size:1.05rem;font-weight:750}.review-flashcard__answer>small{color:var(--mandora-muted)}.review-flashcard__answer blockquote{border-left:3px solid var(--mandora-gold-500);background:var(--mandora-surface);text-align:left;border-radius:4px 15px 15px 4px;gap:6px;margin:4px 0 0;padding:18px;display:grid}.review-flashcard__answer blockquote span,.review-flashcard__answer blockquote p{color:var(--mandora-muted);margin:0}.review-rating-heading{gap:3px;margin-top:5px;display:grid}.review-rating-heading small{color:var(--mandora-muted);font-size:.72rem}.review-rating-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:4px;display:grid}.review-rating-grid button{border:1px solid var(--mandora-line);background:var(--mandora-surface);min-height:72px;color:var(--mandora-ink);cursor:pointer;border-radius:15px;align-content:center;gap:3px;padding:12px 8px;display:grid;position:relative}.review-rating-grid button:hover:not(:disabled),.review-rating-grid button.is-recommended{border-color:var(--mandora-red-700);transform:translateY(-1px)}.review-rating-grid button.is-recommended{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--mandora-red-700) 35%, transparent)}.review-rating-grid button:disabled{cursor:wait;opacity:.6}.review-rating-grid small{color:var(--mandora-muted)}.review-rating-grid i{background:var(--mandora-red-700);color:#fff;border-radius:999px;padding:3px 6px;font-size:.58rem;font-style:normal;font-weight:850;position:absolute;top:-8px;right:8px}.review-flip-back{justify-self:center;margin-top:3px}.review-session__meta{text-align:center;margin-top:12px}@media (prefers-reduced-motion:reduce){.review-flashcard__inner{transition:none}}@media (width<=860px){.review-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.review-summary,.review-mode-grid{grid-template-columns:1fr}.review-mode-grid button{min-height:auto}.review-flashcard,.review-flashcard__inner,.review-flashcard__front,.review-flashcard__back{min-height:520px}.review-flashcard__face{border-radius:24px 24px 24px 8px}.review-choice-grid,.review-rating-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-session-toolbar{align-items:flex-start}}.quiz-page{background:var(--mandora-surface);min-height:72vh;padding:clamp(48px,7vw,90px) 0}.quiz-page__inner{max-width:900px}.quiz-page__header{margin-bottom:34px}.quiz-page__header h1{margin:10px 0 14px;font-size:clamp(2.6rem,6vw,5rem);line-height:1}.quiz-page__header>p:last-child{color:var(--mandora-muted);line-height:1.7}.quiz-question{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:25px 25px 25px 8px;margin-bottom:18px;padding:clamp(24px,4vw,38px)}.quiz-question>header,.quiz-question__choices label,.quiz-result__details article header{justify-content:space-between;align-items:center;gap:14px;display:flex}.quiz-question>header{color:var(--mandora-muted);font-size:.75rem;font-weight:800}.quiz-question h2{margin:18px 0 24px;font-size:clamp(1.25rem,3vw,1.7rem)}.quiz-question__choices{border:0;gap:10px;padding:0;display:grid}.quiz-question__choices label{border:1px solid var(--mandora-line);cursor:pointer;border-radius:14px;justify-content:flex-start;padding:14px 16px}.quiz-question__choices label:has(input:checked){border-color:var(--mandora-red-700);background:var(--mandora-red-100)}.quiz-question__blank input{border:1px solid var(--mandora-line);background:var(--mandora-surface);width:100%;color:var(--mandora-ink);border-radius:14px;padding:14px 16px}.quiz-arrange{gap:14px;display:grid}.quiz-arrange__selected,.quiz-arrange__tokens{border:1px dashed var(--mandora-line);border-radius:14px;flex-wrap:wrap;align-items:center;gap:8px;min-height:58px;padding:12px;display:flex}.quiz-arrange button{background:var(--mandora-jade-100);color:var(--mandora-jade-700);border-radius:10px;padding:9px 12px}.quiz-page__error{color:var(--mandora-red-700);font-weight:700}.quiz-page__submit{min-width:180px}.quiz-result{max-width:900px;margin:0 auto}.quiz-result__summary{background:var(--mandora-paper);text-align:center;border-radius:28px 28px 28px 10px;padding:38px}.quiz-result__summary>span{background:var(--mandora-red-100);width:60px;height:60px;color:var(--mandora-red-700);border-radius:50%;place-items:center;margin:0 auto 18px;font-size:1.6rem;font-weight:900;display:grid}.quiz-result.is-passed .quiz-result__summary>span{background:var(--mandora-jade-100);color:var(--mandora-jade-700)}.quiz-result__summary h1{margin:6px 0;font-size:clamp(4rem,10vw,7rem)}.quiz-result__details{gap:12px;margin:24px 0;display:grid}.quiz-result__details article{border-left:4px solid var(--mandora-red-700);background:var(--mandora-paper);border-radius:5px 16px 16px 5px;padding:20px}.quiz-result__details article.is-correct{border-color:var(--mandora-jade-700)}.quiz-result__details p,.quiz-result__details small{color:var(--mandora-muted);margin:8px 0 0;display:block}.quiz-result__actions{flex-wrap:wrap;gap:10px;display:flex}.quiz-result__ai{border-color:var(--mandora-jade-700);color:var(--mandora-jade-700);gap:7px}@media (width<=640px){.quiz-result__actions{flex-direction:column;align-items:stretch}}.ai-tutor-page{background:var(--mandora-surface);min-height:calc(100dvh - 78px);padding:24px 0 48px}.ai-tutor-shell{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:8px;grid-template-columns:minmax(220px,280px) minmax(0,1fr);height:min(760px,100dvh - 126px);min-height:0;display:grid;overflow:hidden;box-shadow:0 18px 46px #39292217}.ai-tutor-history{border-right:1px solid var(--mandora-line);background:color-mix(in srgb, var(--mandora-paper) 88%, var(--mandora-jade-100));grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid;overflow:hidden}.ai-tutor-history>header,.ai-tutor-history>header>div,.ai-tutor-chat__header,.ai-tutor-chat__header>div{align-items:center;display:flex}.ai-tutor-history>header{border-bottom:1px solid var(--mandora-line);justify-content:space-between;gap:12px;min-height:72px;padding:14px 16px}.ai-tutor-history>header>div,.ai-tutor-chat__header>div{gap:10px}.ai-tutor-mark{background:var(--mandora-red-700);color:#fff;width:38px;height:38px;font-family:var(--font-chinese);border-radius:7px;flex:none;place-items:center;font-size:1.2rem;display:grid}.ai-tutor-history strong,.ai-tutor-history small,.ai-tutor-chat__header strong,.ai-tutor-chat__header small{display:block}.ai-tutor-history small,.ai-tutor-chat__header small{color:var(--mandora-muted);font-size:.7rem}.ai-tutor-history>header>button{border:1px solid var(--mandora-line);background:var(--mandora-paper);width:36px;height:36px;color:var(--mandora-ink);cursor:pointer;border-radius:7px;font-size:1.35rem}.ai-tutor-history__list{overscroll-behavior:contain;min-height:0;padding:10px;overflow-y:auto}.ai-tutor-history__list>p{color:var(--mandora-muted);margin:12px 8px;font-size:.8rem}.ai-tutor-history__list>button{width:100%;color:var(--mandora-ink);text-align:left;cursor:pointer;background:0 0;border-radius:6px;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:11px 10px;display:grid}.ai-tutor-history__list>button:hover,.ai-tutor-history__list>button.is-active{background:var(--mandora-jade-100)}.ai-tutor-history__list>button strong{text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.ai-tutor-history__list time{color:var(--mandora-muted);font-size:.65rem}.ai-tutor-history__list .ai-tutor-history__retry{width:auto;color:var(--mandora-red-700);font-weight:800;display:inline-flex}.ai-tutor-history__notice{border-top:1px solid var(--mandora-line);color:var(--mandora-muted);margin:0;padding:14px 16px;font-size:.68rem;line-height:1.5}.ai-tutor-chat{grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid;overflow:hidden}.ai-tutor-chat__header{border-bottom:1px solid var(--mandora-line);justify-content:space-between;gap:16px;min-height:72px;padding:14px 20px}.ai-tutor-presence{background:var(--mandora-jade-700);width:10px;height:10px;box-shadow:0 0 0 4px var(--mandora-jade-100);border-radius:50%}.ai-tutor-context{border:1px solid var(--mandora-line);max-width:min(45%,360px);color:var(--mandora-muted);text-overflow:ellipsis;white-space:nowrap;border-radius:999px;padding:6px 9px;font-size:.7rem;font-weight:750;overflow:hidden}.ai-tutor-messages{overscroll-behavior:contain;scrollbar-gutter:stable;background:color-mix(in srgb, var(--mandora-paper) 94%, var(--mandora-surface));min-height:0;padding:clamp(18px,3vw,34px);overflow-y:auto}.ai-tutor-empty{text-align:center;align-content:center;justify-items:center;max-width:680px;min-height:100%;margin:0 auto;display:grid}.ai-tutor-empty>span{background:var(--mandora-red-100);width:58px;height:58px;color:var(--mandora-red-700);font-family:var(--font-chinese);border-radius:8px;place-items:center;font-size:2rem;display:grid}.ai-tutor-empty h1{letter-spacing:0;margin:18px 0 7px;font-size:clamp(1.65rem,3vw,2.25rem)}.ai-tutor-empty>p{max-width:520px;color:var(--mandora-muted);margin:0}.ai-tutor-quick-actions{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px;display:flex}.ai-tutor-quick-actions button{border:1px solid var(--mandora-line);background:var(--mandora-paper);min-height:38px;color:var(--mandora-ink);cursor:pointer;border-radius:7px;padding:8px 12px;font-size:.78rem;font-weight:700}.ai-tutor-quick-actions button:hover{border-color:var(--mandora-red-700);color:var(--mandora-red-700)}.ai-message{gap:10px;max-width:760px;margin-bottom:18px;display:flex}.ai-message--user{justify-content:flex-end;margin-left:auto}.ai-message__identity{background:var(--mandora-red-700);color:#fff;width:34px;height:34px;font-family:var(--font-chinese);border-radius:7px;flex:none;place-items:center;display:grid}.ai-message__content{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:8px;min-width:0;padding:13px 15px}.ai-message--user .ai-message__content{border-color:var(--mandora-jade-700);background:var(--mandora-jade-100)}.ai-message__content>strong{color:var(--mandora-red-700);margin-bottom:6px;font-size:.72rem;display:block}.ai-message--user .ai-message__content>strong{color:var(--mandora-jade-700)}.ai-message__content p{color:var(--mandora-ink);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.7}.ai-message__content ul{border-left:3px solid var(--mandora-gold-500);background:var(--mandora-surface);border-radius:4px;gap:7px;margin:12px 0 0;padding:12px 12px 12px 30px;display:grid}.ai-message__content li{color:var(--mandora-ink);overflow-wrap:anywhere}.ai-message__content>button{border:1px solid var(--mandora-line);background:var(--mandora-paper);color:var(--mandora-jade-700);cursor:pointer;border-radius:6px;margin-top:12px;padding:8px 10px;font-size:.76rem;font-weight:750}.ai-message__content time{color:var(--mandora-muted);text-align:right;margin-top:7px;font-size:.62rem;display:block}.ai-tutor-generating{border:1px solid var(--mandora-line);width:fit-content;color:var(--mandora-muted);background:var(--mandora-paper);border-radius:7px;align-items:center;gap:5px;padding:11px 13px;font-size:.75rem;display:flex}.ai-tutor-generating span{background:var(--mandora-red-700);border-radius:50%;width:6px;height:6px;animation:.9s ease-in-out infinite alternate ai-tutor-pulse}.ai-tutor-generating span:nth-child(2){animation-delay:.15s}.ai-tutor-generating span:nth-child(3){margin-right:5px;animation-delay:.3s}.ai-tutor-alert{border:1px solid var(--mandora-gold-500);background:var(--mandora-gold-100);border-radius:7px;max-width:620px;padding:15px}.ai-tutor-alert.is-error{border-color:var(--mandora-red-700);background:var(--mandora-red-100)}.ai-tutor-alert p{color:var(--mandora-muted);margin:5px 0 0}.ai-tutor-alert button{background:var(--mandora-red-700);color:#fff;cursor:pointer;border-radius:6px;margin-top:10px;padding:7px 10px;font-weight:750}.ai-tutor-composer{z-index:1;border-top:1px solid var(--mandora-line);background:var(--mandora-paper);flex:none;padding:14px 18px 12px;position:relative}.ai-tutor-composer form{grid-template-columns:minmax(0,1fr) 42px;align-items:end;gap:9px;display:grid}.ai-tutor-composer textarea{resize:none;border:1px solid var(--mandora-line);background:var(--mandora-surface);width:100%;min-height:50px;max-height:150px;color:var(--mandora-ink);border-radius:7px;padding:12px 14px;line-height:1.5;overflow-y:auto}.ai-tutor-composer form>button{background:var(--mandora-red-700);color:#fff;cursor:pointer;border-radius:7px;width:42px;height:42px;font-size:1.25rem}.ai-tutor-composer form>button:disabled,.ai-tutor-composer textarea:disabled{cursor:not-allowed;opacity:.55}.ai-tutor-composer>small{color:var(--mandora-muted);text-align:center;margin-top:7px;font-size:.65rem;display:block}@keyframes ai-tutor-pulse{to{opacity:.3;transform:translateY(-2px)}}:root[data-theme=dark] .ai-tutor-history,:root[data-theme=dark] .ai-tutor-messages{background:#201c1d}:root[data-theme=dark] .ai-message--user .ai-message__content,:root[data-theme=dark] .ai-tutor-history__list>button.is-active,:root[data-theme=dark] .ai-tutor-history__list>button:hover{background:#213b36}:root[data-theme=dark] .ai-tutor-alert{background:#44351f}:root[data-theme=dark] .ai-tutor-alert.is-error{background:#49252d}@media (width<=820px){.ai-tutor-page{height:calc(100dvh - 70px);min-height:0;padding:0;overflow:hidden}.ai-tutor-page>.public-container{width:100%;height:100%}.ai-tutor-shell{border-width:0;border-radius:0;grid-template-columns:1fr;height:100%;min-height:0}.ai-tutor-history{display:none}}@media (width<=520px){.ai-tutor-chat__header{flex-direction:column;align-items:flex-start;gap:7px}.ai-tutor-context{max-width:100%}.ai-tutor-messages{padding:16px 12px}.ai-message{max-width:95%}.ai-tutor-composer{padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.ai-tutor-quick-actions{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;display:grid}.ai-tutor-quick-actions button:last-child{grid-column:1/-1}}@media (prefers-reduced-motion:reduce){.ai-tutor-generating span{animation:none}}.hsk-exam-catalog,.hsk-history{background:var(--mandora-surface);padding:40px 0 80px}.hsk-exam-catalog .filter-chips{margin-bottom:28px}.hsk-exam-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.hsk-exam-grid>article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:24px 24px 24px 8px;flex-direction:column;min-height:340px;padding:26px;display:flex}.hsk-exam-grid>article>span{color:var(--mandora-red-700);font-weight:900}.hsk-exam-grid h2{margin:10px 0}.hsk-exam-grid p{color:var(--mandora-muted);line-height:1.6}.hsk-exam-grid dl{gap:24px;margin-top:auto;display:flex}.hsk-exam-grid dl div{display:grid}.hsk-exam-grid dt{color:var(--mandora-muted);font-size:.72rem}.hsk-exam-grid dd{margin:3px 0;font-weight:800}.hsk-exam-grid>a{text-align:center;margin-top:12px}.hsk-attempt-meta{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:14px;justify-content:space-between;align-items:center;gap:18px;padding:14px 18px;display:flex}.hsk-attempt-meta strong{font-variant-numeric:tabular-nums;font-size:1.5rem}.hsk-question-image{border-radius:14px;max-width:100%;max-height:360px;margin:0 auto 14px;display:block}.hsk-attempt-page audio{width:100%;margin-bottom:12px}.hsk-section-scores{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:22px 0;display:grid}.hsk-section-scores article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:16px;padding:18px;display:grid}.hsk-section-scores strong{font-size:2rem}.hsk-evaluation{background:var(--mandora-jade-100);border-radius:16px;padding:20px 20px 20px 40px;line-height:1.7}.hsk-history .public-container{gap:12px;display:grid}.hsk-history article{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:16px;justify-content:space-between;align-items:center;gap:18px;padding:20px;display:flex}.hsk-history article div{align-items:center;gap:18px;display:flex}.hsk-history article strong{font-size:1.35rem}@media (width<=850px){.hsk-exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){.hsk-exam-grid{grid-template-columns:1fr}.hsk-history article,.hsk-history article div{flex-direction:column;align-items:flex-start}}.video-catalog{background:var(--mandora-surface);padding:40px 0 80px}.video-catalog .filter-chips{margin-bottom:28px}.video-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.video-card{border:1px solid var(--mandora-line);background:var(--mandora-paper);border-radius:22px;padding-bottom:22px;overflow:hidden}.video-player{aspect-ratio:16/9;background:#151515}.video-player video,.video-player iframe{object-fit:cover;border:0;width:100%;height:100%}.video-card>span,.video-card>h2,.video-card>p{margin-inline:20px;display:block}.video-card>span{color:var(--mandora-red-700);margin-top:18px;font-size:.72rem;font-weight:900}.video-card>h2{margin-top:7px;margin-bottom:8px;font-size:1.25rem}.video-card>p{color:var(--mandora-muted);margin-top:0;line-height:1.6}@media (width<=900px){.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){.video-grid{grid-template-columns:1fr}}:root{--font-sans:"Segoe UI Variable Text", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-display:"Segoe UI Variable Display", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-chinese:"Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;font-family:var(--font-sans);color:#202321;font-kerning:normal;font-synthesis:none;text-rendering:optimizelegibility;--navy-950:#071a33;--navy-900:#0b2545;--blue-700:#075fc7;--blue-600:#0d6adf;--blue-500:#1f7cf0;--sky-100:#eaf3ff;--ink-900:#152033;--ink-700:#344054;--ink-500:#667085;--line:#e3e9f1;--surface:#f6f8fb;--white:#fff;--success:#16865c;--danger:#c4322b;--shadow-sm:0 8px 30px #0b254514;--shadow-lg:0 28px 80px #071a3329;--mandora-red-800:#8f2436;--mandora-red-700:#ad2f43;--mandora-red-600:#c23b4f;--mandora-red-100:#fbe9eb;--mandora-gold-500:#e7a92f;--mandora-gold-100:#fff4d6;--mandora-jade-700:#24685e;--mandora-jade-100:#e6f3ef;--mandora-ink:#202321;--mandora-muted:#646b67;--mandora-paper:#fffdf8;--mandora-surface:#f8f3e9;--mandora-line:#e8dfd2;--mandora-radius-sm:12px;--mandora-radius:20px;--mandora-radius-lg:32px;--mandora-shadow:0 22px 60px #4a2d221a;background:#fffdf8}*{box-sizing:border-box}html{scroll-behavior:smooth;min-width:320px;min-height:100%;scroll-padding-top:88px}body,#root{min-width:320px;min-height:100vh;margin:0}body{background:var(--mandora-paper);color:var(--mandora-ink);font-family:var(--font-sans);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.5}button,input,textarea,select{font:inherit;letter-spacing:inherit}button,a{-webkit-tap-highlight-color:transparent}button{border:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}::selection{color:var(--white);background:var(--mandora-red-700)}:focus-visible{outline-offset:3px;outline:3px solid #c23b4f4d}.app-route-loading{min-height:100vh;color:var(--mandora-muted);background:var(--mandora-paper);place-items:center;padding:24px;font-weight:700;display:grid;position:relative;overflow:hidden}.app-route-loading:before{border:3px solid var(--mandora-line);border-top-color:var(--mandora-red-700);content:"";border-radius:50%;width:34px;height:34px;margin-right:12px;animation:.7s linear infinite mandora-spin}.motion-reveal{opacity:0;will-change:opacity, transform;transition:opacity .52s cubic-bezier(.22,1,.36,1),transform .52s cubic-bezier(.22,1,.36,1);transform:translateY(18px)}.motion-reveal.is-revealed{opacity:1;transform:translate(0,0)}@keyframes mandora-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.motion-reveal,.motion-reveal.is-revealed{opacity:1;transform:none}}.admin-login__card,.student-access-card{animation:.56s cubic-bezier(.22,1,.36,1) both mandora-card-enter}.admin-toast,.public-toast{animation:.26s cubic-bezier(.22,1,.36,1) both mandora-toast-enter}.admin-vocabulary-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.public-toast{z-index:120;border:1px solid var(--mandora-line);width:min(390px,100vw - 32px);box-shadow:var(--mandora-shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffdf8f7;border-radius:16px;align-items:flex-start;gap:12px;padding:14px 16px;display:flex;position:fixed;bottom:22px;right:22px}.public-toast.is-success{border-color:color-mix(in srgb, var(--mandora-jade-700) 28%, var(--mandora-line))}.public-toast.is-error{border-color:color-mix(in srgb, var(--mandora-red-700) 35%, var(--mandora-line))}.public-toast__icon{background:var(--mandora-jade-100);width:30px;height:30px;color:var(--mandora-jade-700);border-radius:10px;flex:none;place-items:center;font-weight:900;display:grid}.public-toast.is-error .public-toast__icon{background:var(--mandora-red-100);color:var(--mandora-red-700)}.public-toast p{color:var(--mandora-ink);flex:1;margin:3px 0 0;font-size:.9rem;line-height:1.45}.public-toast button{color:var(--mandora-muted);cursor:pointer;background:0 0;padding:4px;font-size:1.1rem}.public-pagination{border-top:1px solid var(--mandora-line);justify-content:space-between;align-items:center;gap:20px;margin-top:30px;padding-top:20px;display:flex}.public-pagination__summary{color:var(--mandora-muted);margin:0;font-size:.86rem}.public-pagination__controls{align-items:center;gap:8px;display:flex}.public-pagination__controls button{border:1px solid var(--mandora-line);background:var(--mandora-paper);min-width:38px;height:38px;color:var(--mandora-ink);cursor:pointer;border-radius:11px;padding:0 12px;font-weight:750}.public-pagination__controls button:hover:not(:disabled),.public-pagination__controls button.is-active{border-color:var(--mandora-red-700);background:var(--mandora-red-700);color:#fff}.public-pagination__controls button:disabled{cursor:not-allowed;opacity:.45}.public-pagination__controls span{min-width:72px;color:var(--mandora-muted);text-align:center;font-size:.84rem}@keyframes mandora-card-enter{0%{opacity:0;transform:translateY(22px)scale(.985)}to{opacity:1;transform:translate(0,0)scale(1)}}@keyframes mandora-toast-enter{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translate(0,0)scale(1)}}@media (width<=760px){.admin-vocabulary-actions{justify-content:flex-start;width:100%}}@media (width<=640px){.public-pagination{flex-direction:column;align-items:stretch}.public-pagination__controls{justify-content:space-between}.public-toast{bottom:16px;right:16px}}@media (prefers-reduced-motion:reduce){.admin-login__card,.student-access-card,.admin-toast,.public-toast{animation:none}}.lesson-page .public-container.lesson-page__grid{grid-template-columns:minmax(220px,260px) minmax(0,1fr);justify-content:stretch;gap:clamp(24px,2.5vw,40px);width:min(1580px,100% - 48px)}.lesson-page .public-container.lesson-page__grid--with-related{grid-template-columns:minmax(210px,245px) minmax(0,1fr) minmax(205px,235px)}.lesson-page .lesson-content{width:100%;max-width:none}.lesson-page .lesson-vocabulary-grid{grid-template-columns:repeat(3,minmax(240px,1fr));gap:18px}.lesson-page .lesson-vocabulary-section{min-width:0}.lesson-related-rail{min-width:0;max-height:calc(100vh - 120px);position:sticky;top:100px;overflow:auto}.lesson-related-card{border:1px solid var(--mandora-line);background:color-mix(in srgb, var(--mandora-paper) 92%, var(--mandora-surface));border-radius:22px 22px 22px 8px;padding:20px;box-shadow:0 16px 42px #4a2d220f}.lesson-related-card__eyebrow{color:var(--mandora-red-700);letter-spacing:.12em;text-transform:uppercase;font-size:.65rem;font-weight:900}.lesson-related-card h2{margin:5px 0 6px;font-size:1.25rem}.lesson-related-card>p{color:var(--mandora-muted);margin:0 0 17px;font-size:.78rem;line-height:1.55}.lesson-related-list{border-top:1px solid var(--mandora-line);display:grid}.lesson-related-item{border-bottom:1px solid var(--mandora-line);grid-template-columns:42px minmax(0,1fr);align-items:center;gap:10px;padding:12px 0;display:grid}.lesson-related-item>strong{color:var(--mandora-ink);font-family:var(--font-chinese);font-size:1.45rem;font-weight:500}.lesson-related-item>div{gap:2px;min-width:0;display:grid}.lesson-related-item span{color:var(--mandora-jade-700);font-size:.75rem;font-weight:850}.lesson-related-item small{color:var(--mandora-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;overflow:hidden}.lesson-related-card__state{color:var(--mandora-muted);padding:14px 0;font-size:.78rem}.lesson-related-card__footer{gap:7px;padding-top:15px;display:grid}.lesson-related-card__footer span{color:var(--mandora-muted);font-size:.72rem}.lesson-related-card__footer a{color:var(--mandora-red-700);font-size:.76rem;font-weight:850;text-decoration:none}@media (width>=1680px){.lesson-page .lesson-vocabulary-grid{grid-template-columns:repeat(4,minmax(230px,1fr))}}@media (width>=1451px){.lesson-page .lesson-content{padding-inline:clamp(36px,3vw,52px)}}@media (width<=1450px){.lesson-page .public-container.lesson-page__grid,.lesson-page .public-container.lesson-page__grid--with-related{grid-template-columns:240px minmax(0,1fr);gap:28px;width:min(1240px,100% - 40px)}.lesson-page .lesson-vocabulary-grid{grid-template-columns:repeat(2,minmax(240px,1fr))}.lesson-related-rail{grid-column:2;max-height:none;position:static}.lesson-related-list{border-top:0;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.lesson-related-item{border:1px solid var(--mandora-line);border-radius:12px;grid-template-columns:1fr;gap:4px;padding:10px}}@media (width<=1080px){.lesson-related-list{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=980px){.lesson-page .public-container.lesson-page__grid,.lesson-page .public-container.lesson-page__grid--with-related{grid-template-columns:1fr}.lesson-page .lesson-vocabulary-grid{grid-template-columns:repeat(2,minmax(220px,1fr))}.lesson-related-rail{grid-column:1}}@media (width<=640px){.lesson-page .public-container.lesson-page__grid,.lesson-page .public-container.lesson-page__grid--with-related{width:min(100% - 24px,720px)}.lesson-page .lesson-vocabulary-grid,.lesson-related-list{grid-template-columns:1fr}}.admin-hsk-builder{gap:18px;display:grid}.admin-hsk-summary{justify-content:space-between;align-items:center;gap:18px;display:flex}.admin-hsk-summary__copy{gap:8px;display:grid}.admin-hsk-summary__copy>div{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.admin-hsk-summary__copy>div>strong{color:var(--admin-navy-900);font-size:.9rem}.admin-hsk-summary__copy p{color:var(--admin-muted);margin:0;font-size:.8rem;line-height:1.55}.admin-hsk-summary__actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:9px;display:flex}.admin-hsk-composer{grid-template-columns:minmax(230px,290px) minmax(0,1fr);align-items:start;gap:20px;padding:0;display:grid;overflow:hidden}.admin-hsk-outline{border-right:1px solid var(--admin-line);background:var(--admin-surface-soft);gap:14px;min-width:0;padding:20px;display:grid}.admin-hsk-outline__heading{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.admin-hsk-outline__heading>div{gap:3px;display:grid}.admin-hsk-outline__heading small,.admin-hsk-outline__rules small{color:var(--admin-subtle);letter-spacing:.06em;text-transform:uppercase;font-size:.67rem;font-weight:700}.admin-hsk-outline__heading strong{color:var(--admin-navy-900);font-size:.83rem}.admin-hsk-outline__heading .admin-button{min-height:36px;padding:7px 10px;font-size:.75rem}.admin-hsk-outline__list{gap:8px;display:grid}.admin-hsk-outline__list>button{border:1px solid var(--admin-line);width:100%;color:var(--admin-text);text-align:left;background:#fff;border-radius:10px;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:10px;padding:11px;transition:border-color .15s,box-shadow .15s,background .15s;display:grid}.admin-hsk-outline__list>button:hover{border-color:var(--admin-line-strong);box-shadow:var(--admin-shadow-sm);background:#fff}.admin-hsk-outline__list>button.is-active{border-color:var(--admin-accent);background:var(--admin-accent-soft)}.admin-hsk-outline__list>button>span:first-child{width:30px;height:30px;color:var(--admin-accent-dark);background:#fff;border-radius:8px;place-items:center;font-size:.72rem;font-weight:700;display:grid}.admin-hsk-outline__list>button>span:last-child{gap:3px;min-width:0;display:grid}.admin-hsk-outline__list strong,.admin-hsk-outline__list small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.admin-hsk-outline__list strong{color:var(--admin-navy-900);font-size:.8rem}.admin-hsk-outline__list small{color:var(--admin-muted);font-size:.68rem}.admin-hsk-outline__rules{border:1px solid var(--admin-line);background:#fff;border-radius:10px;gap:5px;padding:12px;display:grid}.admin-hsk-outline__rules p{color:var(--admin-muted);margin:0;font-size:.72rem;line-height:1.5}.admin-hsk-editor-pane{gap:18px;min-width:0;padding:22px;display:grid}.admin-hsk-editor-pane__header{border-bottom:1px solid var(--admin-line);justify-content:space-between;align-items:flex-start;gap:18px;padding-bottom:16px;display:flex}.admin-hsk-editor-pane__header>div:first-child{min-width:0}.admin-hsk-editor-pane__header h2{color:var(--admin-navy-950);margin:2px 0 5px;font-size:1.15rem}.admin-hsk-editor-pane__header p{max-width:760px;color:var(--admin-muted);margin:0;font-size:.76rem;line-height:1.55}.admin-hsk-editor-pane__header>div:last-child{flex-wrap:wrap;flex:none;justify-content:flex-end;gap:8px;display:flex}.admin-hsk-question-list{gap:9px;display:grid}.admin-hsk-question-list>article{border:1px solid var(--admin-line);background:#fff;border-radius:10px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:11px;padding:12px 13px;display:grid}.admin-hsk-question-list__number{width:30px;height:30px;color:var(--admin-accent-dark);background:var(--admin-accent-soft);border-radius:8px;place-items:center;font-size:.72rem;font-weight:700;display:grid}.admin-hsk-question-list>article>div:nth-child(2){gap:3px;min-width:0;display:grid}.admin-hsk-question-list strong{color:var(--admin-navy-900);font-size:.8rem;line-height:1.45}.admin-hsk-question-list small{color:var(--admin-muted);font-size:.68rem}.admin-hsk-danger-zone{justify-content:flex-end;padding-top:4px;display:flex}.admin-hsk-fixed-score{border:1px solid var(--admin-line);min-height:44px;color:var(--admin-muted);background:var(--admin-surface-soft);border-radius:9px;align-items:center;padding:9px 12px;font-size:.76rem;line-height:1.45;display:flex}.admin-hsk-builder .admin-question-form{border-color:var(--admin-line-strong);background:var(--admin-surface-soft)}.admin-hsk-builder .admin-question-options{border:1px solid var(--admin-line);background:#fff;border-radius:10px;margin:0;padding:16px}.admin-hsk-builder .admin-question-options legend{color:var(--admin-navy-800);padding:0 6px;font-size:.77rem;font-weight:700}.admin-hsk-builder .admin-question-options>div{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;margin-top:8px;display:grid}.admin-hsk-builder .admin-question-options>div input[type=text],.admin-hsk-builder .admin-question-options>div input:not([type]){min-width:0}@media (width<=980px){.admin-hsk-summary,.admin-hsk-editor-pane__header{flex-direction:column;align-items:stretch}.admin-hsk-summary__actions,.admin-hsk-editor-pane__header>div:last-child{justify-content:flex-start}.admin-hsk-composer{grid-template-columns:1fr}.admin-hsk-outline{border-right:0;border-bottom:1px solid var(--admin-line)}.admin-hsk-outline__list{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}@media (width<=640px){.admin-hsk-summary,.admin-hsk-outline,.admin-hsk-editor-pane{padding:16px}.admin-hsk-summary__actions,.admin-hsk-summary__actions .admin-button,.admin-hsk-editor-pane__header>div:last-child,.admin-hsk-editor-pane__header .admin-button{width:100%}.admin-hsk-question-list>article{grid-template-columns:30px minmax(0,1fr)}.admin-hsk-question-list>article>.admin-learning-actions{grid-column:1/-1;justify-content:flex-end}}