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@media(max-width:1180px){.words-grid{grid-template-columns:repeat(4,1fr)}.home-hero{padding:35px}.hero-visual{min-width:195px}.hero-orbit{width:208px;height:208px}.hero-hanzi{font-size:135px}.lesson-grid{grid-template-columns:repeat(3,1fr)}.lesson-card{padding:17px}.stat{padding:15px;gap:9px}.stat-icon{width:42px;height:42px}.stat h3{font-size:21px}}@media(max-width:900px){.sidebar{width:78px;flex-basis:78px;padding:28px 10px}.brand{margin:0 auto 47px}.brand-name,.nav-caption,.nav-link span:last-child,.sidebar-bottom{display:none}.nav-link{padding:0;justify-content:center;height:51px}.nav-icon{width:23px;height:23px}.topbar{height:72px}.main-content{padding:30px 27px 50px}.detail-grid,.writing-layout{grid-template-columns:1fr}.write-aside{display:grid;grid-template-columns:1fr 1fr}.words-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:650px){body{font-size:13px}.sidebar{display:none}.topbar{height:61px;padding:0 19px}.topbar-intro{font-size:11px}.date-label{display:none}.top-divider{display:none}.profile-avatar{width:35px;height:35px;font-size:17px}.main-content{padding:25px 16px 95px}.page-head{align-items:flex-start}.page-title{font-size:27px}.meta-pill{font-size:10px}.home-hero{padding:27px 25px 28px;border-radius:22px;min-height:0}.hero-copy{max-width:100%}.hero-title{font-size:31px;max-width:330px;margin:20px 0 10px}.hero-desc{max-width:300px;font-size:12px;margin-bottom:24px}.hero-badge{font-size:9px}.hero-visual{position:absolute;right:-26px;bottom:-53px;min-width:0;opacity:.16;pointer-events:none}.hero-orbit{width:210px;height:210px}.hero-hanzi{font-size:137px}.visual-tag,.leaf-deco{display:none}.stats{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.stat{min-height:111px;padding:13px 9px;display:block;text-align:center;border-radius:15px}.stat-icon{width:33px;height:33px;margin:0 auto 8px;font-size:17px;border-radius:10px}.stat h3{font-size:20px}.stat p{font-size:10px}.section-header{margin:26px 0 14px}.section-header h2{font-size:17px}.lesson-grid{grid-template-columns:1fr 1fr;gap:10px}.lesson-card{min-height:173px;border-radius:16px;padding:15px}.lesson-characters{font-size:39px;margin:14px 0 8px;gap:4px}.lesson-card h3{font-size:13px}.lesson-card p{font-size:10px}.lesson-bottom{font-size:10px}.home-banner{padding:17px}.home-banner-emoji{font-size:30px}.toolbar{gap:12px}.filters{flex-wrap:nowrap;width:100%;overflow-x:auto;padding-bottom:2px}.chip{flex:none;padding:0 12px}.search-wrap{width:100%;min-width:0}.words-grid{grid-template-columns:repeat(3,1fr);gap:9px}.word-card{border-radius:15px;min-height:152px;padding:16px 5px 10px}.word-card .word-symbol{font-size:52px}.word-card .word-kk{font-size:11px}.detail-left,.detail-right,.writing-panel,.quiz-card,.progress-panel{padding:19px;border-radius:18px}.writer-area{width:min(100%,295px)}.detail-grid{gap:13px}.detail-big{font-size:73px}.detail-translation{font-size:25px}.write-aside{grid-template-columns:1fr}.writing-layout{gap:14px}.quiz-grid{grid-template-columns:1fr;gap:14px}.quiz-symbol{font-size:88px}.quiz-option{min-height:60px}.quiz-side{padding:18px;display:none}.progress-overview{grid-template-columns:1fr}.footer{display:none}.mobile-nav{position:fixed;z-index:40;bottom:0;left:0;right:0;height:71px;display:flex;justify-content:space-around;background:#ffffff;border-top:1px solid #e5e7eb;box-shadow:0 -4px 25px #15203908;padding-bottom:env(safe-area-inset-bottom)}.mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:0;background:none;color:#667085;min-width:55px;font-weight:700}.mobile-nav button.active{color:#b23a2f}.mobile-nav svg{width:22px;height:22px}.mobile-nav small{font-size:10px}.toast{bottom:88px;right:13px;left:13px;text-align:center}.nextprev{flex-direction:column}}
@media(max-width:380px){.words-grid{grid-template-columns:repeat(2,1fr)}.lesson-grid{grid-template-columns:1fr}.stats{gap:5px}.stat h3{font-size:18px}.topbar-intro{font-size:10px}}