:root{--bg:#111218;--bg-gradient:radial-gradient(circle at top, #2a2d44 0%, #111218 100%);--card-bg:#2a2d44e6;--card-bg-hover:#3a3e58f2;--text-main:#ece5d8;--text-dim:#9496a5;--accent:#ffc107;--accent-soft:#ffc10726;--accent-border:#ffc10766;--element-anemo:#72e2c2;--element-pyro:#ff7e5f;--element-cryo:#9ff;--element-electro:#ca8eff;--element-geo:#e6b12a;--element-hydro:#4facee;--element-dendro:#a5c83b;--success:var(--element-anemo);--error:#ff5f5f;--border:#ffffff1a;--glass-blur:blur(12px);--font-sans:system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-serif:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "STZhongsong", serif;--container-max-width:600px;--safe-area-inset-bottom:env(safe-area-inset-bottom,0px);--tiyvat-gold:#f0c85e;--tiyvat-blue-dark:#1b263b}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-main);font-family:var(--font-sans);background-attachment:fixed;min-height:100dvh;line-height:1.6;overflow-x:hidden}#app{max-width:var(--container-max-width);flex-direction:column;min-height:100dvh;margin:0 auto;padding:1.5rem 1.5rem 3rem;display:flex;position:relative}body:before{content:"";opacity:.15;z-index:-1;pointer-events:none;background-image:radial-gradient(1px 1px at 20px 30px,#fff,#0000),radial-gradient(1px 1px at 40px 70px,#fff,#0000),radial-gradient(1px 1px at 50px 160px,#fff,#0000),radial-gradient(2px 2px at 80px 120px,#ffffff80,#0000),radial-gradient(1px 1px at 110px 210px,#fff,#0000),radial-gradient(1px 1px at 150px 30px,#fff,#0000),radial-gradient(1px 1px at 190px 110px,#fff,#0000);background-repeat:repeat;background-size:200px 200px;width:100%;height:100%;position:fixed;top:0;left:0}h1,h2,h3{color:var(--text-main);letter-spacing:.02em;font-weight:700}.guwen-text{font-family:var(--font-serif);letter-spacing:.1em;color:#fff;font-size:1.6rem}.app-header{text-align:left;border-left:4px solid var(--accent);margin-bottom:2.5rem;padding-left:15px}.app-header h1{color:var(--text-main);text-shadow:0 0 10px #fff3;font-size:1.6rem}.category-tabs{border:1px solid var(--border);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background:#ffffff0d;border-radius:4px;margin-bottom:2rem;padding:4px;display:flex}.category-tabs .tab{text-align:center;cursor:pointer;color:var(--text-dim);flex:1;padding:10px;font-size:.95rem;font-weight:600;transition:all .3s;position:relative;overflow:hidden}.category-tabs .tab.active{color:var(--accent)}.category-tabs .tab.active:after{content:"";background:var(--accent);width:70%;height:2px;box-shadow:0 0 10px var(--accent);position:absolute;bottom:0;left:15%}.poem-card{background:var(--card-bg);border:1px solid var(--border);border-left:4px solid var(--text-dim);cursor:pointer;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);justify-content:space-between;align-items:center;margin-bottom:.8rem;padding:1.2rem;transition:all .3s cubic-bezier(.2,.8,.2,1);display:flex}.poem-card:hover{background:var(--card-bg-hover);border-color:var(--accent-border);transform:translate(5px)}.poem-card.mastered{border-left-color:var(--accent);background:linear-gradient(90deg, #ffc1071a, var(--card-bg))}.poem-info h3{margin-bottom:.2rem;font-size:1.25rem}.poem-meta{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem}.flashcard-view{flex-direction:column;flex:1;gap:2rem;padding-bottom:2rem;display:flex}.card-container{perspective:1500px;aspect-ratio:3/4;width:100%;max-height:520px;position:relative}.card-inner{width:100%;height:100%;transform-style:preserve-3d;cursor:pointer;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.card-inner.flipped{transform:rotateY(180deg)}.card-face{backface-visibility:hidden;border:2px solid var(--accent-border);text-align:center;width:100%;height:100%;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background:#2a2d44;border-radius:4px;flex-direction:column;align-items:center;padding:3rem;display:flex;position:absolute;overflow-y:auto;box-shadow:0 15px 45px #0009,inset 0 0 30px #ffc1070d}.card-face>:first-child{margin-top:auto}.card-face>:last-child{margin-bottom:auto}.card-front{z-index:2;transform:rotateY(0)}.card-back{z-index:1;background:linear-gradient(135deg,#1b1d2a,#2a2d44);transform:rotateY(180deg)}.card-inner.flipped .card-front,.card-inner:not(.flipped) .card-back{opacity:0;pointer-events:none}.card-face .text{word-break:break-all;font-size:1.5rem;line-height:1.7}.card-face .text:has(+*+.hint):not(:empty){font-size:1.3rem}.card-face .hint{color:var(--accent);opacity:.8;text-transform:uppercase;letter-spacing:1px;margin-top:2rem;font-size:.8rem}.btn-group{flex-direction:row;justify-content:center;align-items:center;gap:1.5rem;width:100%;margin-top:2rem;margin-bottom:2rem;display:flex}.btn{cursor:pointer;clip-path:polygon(10% 0%,90% 0%,100% 50%,90% 100%,10% 100%,0% 50%);border:1px solid #fff3;border-radius:2px;justify-content:center;align-items:center;min-width:120px;padding:.8rem 1.8rem;font-size:.95rem;font-weight:700;transition:all .2s;display:flex;position:relative}.btn-primary{background:var(--accent);color:#111;box-shadow:0 4px 15px #ffc1074d}.btn-secondary{color:var(--text-main);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background:#ffffff0d}.btn:active{opacity:.8;transform:scale(.95)}.tiyvat-auth-overlay{z-index:4000;-webkit-overflow-scrolling:touch;background:radial-gradient(circle,#1b263b 0%,#0d1b2a 100%);flex-direction:column;justify-content:flex-start;align-items:center;width:100%;height:100%;padding:2rem 0;animation:1s fadeIn;display:flex;position:fixed;top:0;left:0;overflow-y:auto}.tiyvat-auth-overlay:before{content:"";opacity:.1;background:url(https://www.transparenttextures.com/patterns/stardust.png);width:200%;height:200%;animation:100s linear infinite rotateSlow;position:absolute}.tiyvat-card{border:1px solid var(--accent-border);-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);background:#0d1b2ad9;border-radius:4px;padding:2.5rem 1.5rem;animation:.6s cubic-bezier(.34,1.56,.64,1) tiyvatPopIn;position:relative;box-shadow:0 0 50px #000c,inset 0 0 30px #ffc1070d}.tiyvat-card:after{content:"";border-top:2px solid var(--accent);border-left:2px solid var(--accent);width:12px;height:12px;position:absolute;top:8px;left:8px}.tiyvat-card:before{content:"";border-bottom:2px solid var(--accent);border-right:2px solid var(--accent);width:12px;height:12px;position:absolute;bottom:8px;right:8px}.tiyvat-input{color:#fff;background:#0000004d;border:1px solid #ffc1074d;border-radius:4px;outline:none;width:100%;padding:.9rem 1.2rem;font-size:1rem;transition:all .3s}.tiyvat-input:focus{border-color:var(--accent);box-shadow:0 0 10px #ffc10733}.badge-honor{text-transform:uppercase;letter-spacing:1px;border:1px solid var(--accent-border);background:var(--accent-soft);clip-path:polygon(10% 0%,90% 0%,100% 50%,90% 100%,10% 100%,0% 50%);border-radius:2px;padding:2px 10px;font-size:.75rem}.mastered-seal{border:1px solid var(--accent);color:var(--accent);clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%);background:var(--accent-soft);box-shadow:0 0 10px var(--accent);padding:4px 8px;font-size:.6rem;font-weight:900;position:absolute;top:10px;right:10px}.poem-reward-tag{letter-spacing:.5px;border-radius:20px;align-items:center;gap:4px;margin-top:6px;padding:2px 10px 2px 6px;font-size:.72rem;font-weight:700;animation:3s ease-in-out infinite rewardTagShimmer;display:inline-flex}.poem-reward-tag--gold{color:#ffb703;background:#ffb7031f;border:1px solid #ffb70373;box-shadow:0 0 8px #ffb70333}.poem-reward-tag--purple{color:#c084fc;background:#c084fc1f;border:1px solid #c084fc66;box-shadow:0 0 8px #c084fc26}.poem-reward-tag--blue{color:#7dd3fc;background:#7dd3fc1a;border:1px solid #7dd3fc59;box-shadow:0 0 8px #7dd3fc1f}.poem-reward-tag__icon{font-size:.9rem;line-height:1}.poem-reward-tag__name{white-space:nowrap}@keyframes rewardTagShimmer{0%,to{opacity:1}50%{opacity:.7}}.keyword-highlight{cursor:help;color:var(--accent);-webkit-text-decoration:underline dashed 2px var(--accent-border);text-decoration:underline dashed 2px var(--accent-border);text-underline-offset:4px;padding:0 2px;transition:all .2s}.keyword-highlight:hover{background:#ffc10726;text-decoration-style:solid}.kw-tooltip{color:var(--text-main);border:1px solid var(--accent);z-index:9999;pointer-events:none;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1e202df2;border-radius:2px;max-width:280px;padding:10px 16px;font-size:.85rem;font-weight:500;line-height:1.6;animation:.3s cubic-bezier(.18,.89,.32,1.28) forwards tooltipFadeUp;position:absolute;box-shadow:0 10px 30px #0009}@keyframes rotateSlow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes tiyvatPopIn{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes tiyvatGlow{0%,to{filter:drop-shadow(0 0 5px var(--accent))}50%{filter:drop-shadow(0 0 15px var(--accent))}}@media (width<=480px){.app-header{margin-bottom:2rem}.poem-card{padding:1rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}body.modal-open .notice-scroller,body.modal-open .reward-info__grid *{animation-play-state:paused!important}@keyframes eggyShake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.chain-mode-picker{flex-direction:column;gap:1rem;padding:1rem 0;display:flex}.chain-mode-card{background:var(--card-bg);border:1px solid var(--border);cursor:pointer;min-height:64px;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-radius:4px;align-items:center;gap:1rem;padding:1.25rem;transition:all .3s cubic-bezier(.2,.8,.2,1);display:flex}.chain-mode-card:hover{background:var(--card-bg-hover);border-color:var(--accent-border);transform:translate(5px)}.chain-mode-card:active{transform:scale(.97)}.chain-mode-card__icon{flex-shrink:0;font-size:2rem}.chain-mode-card__title{color:var(--text-main);font-size:1.1rem;font-weight:700}.chain-mode-card__desc{color:var(--text-dim);margin-top:2px;font-size:.8rem}.dictation-area{width:100%;min-height:100px;color:var(--text-main);font-family:var(--font-serif);resize:none;background:#0000004d;border:1px solid #ffc1074d;border-radius:4px;outline:none;padding:1rem;font-size:1.2rem;line-height:1.8;transition:all .3s}.dictation-area::placeholder{color:var(--text-dim);font-family:var(--font-sans);font-size:1rem}.dictation-area:focus{border-color:var(--accent);box-shadow:0 0 10px #ffc10733}.diff-display{font-family:var(--font-serif);letter-spacing:.1em;padding:.5rem 0;font-size:1.3rem;line-height:2}.diff-char--correct{color:var(--element-anemo)}.diff-char--pinyin{color:var(--element-hydro);text-underline-offset:3px;-webkit-text-decoration:underline dotted #4facee80;text-decoration:underline dotted #4facee80}.diff-char--wrong{color:var(--error);-webkit-text-decoration:underline wavy;text-decoration:underline wavy}.accuracy-badge{border-radius:2px;margin:.5rem 0;padding:.25rem 1rem;font-size:1.5rem;font-weight:900;display:inline-block}.accuracy-badge--pass{color:var(--element-anemo)}.accuracy-badge--fail{color:var(--error)}.genshin-notice-bar{background:#00000073;border:1px solid #ffffff1a;border-radius:4px;align-items:center;width:100%;height:2.2rem;margin-top:1rem;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 0 15px #0009}.notice-icon{filter:drop-shadow(0 0 5px var(--accent));flex-shrink:0;margin-left:10px;margin-right:12px;font-size:1.1rem}.notice-marquee-wrapper{-webkit-mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000);flex:1;align-items:center;height:100%;display:flex;position:relative;overflow:hidden;mask-image:linear-gradient(90deg,#0000,#000 10% 90%,#0000)}.notice-scroller{width:max-content;color:var(--text-dim);letter-spacing:1px;white-space:nowrap;font-size:.85rem;font-weight:600;animation:60s linear infinite marqueeGenshinSeamless;display:flex}@keyframes marqueeGenshinSeamless{0%{transform:translate(0)}to{transform:translate(-50%)}}@media (width<=480px){.genshin-notice-bar{height:2.5rem;margin-top:.8rem}.notice-scroller{font-size:.8rem}}@keyframes genshin-red-blink{0%{opacity:.5;filter:drop-shadow(0 0 2px #ff4d4f66)drop-shadow(0 0 4px #ff4d4f33)}to{opacity:1;filter:drop-shadow(0 0 8px #ff4d4fe6)drop-shadow(0 0 16px #ff4d4f99)}}.tiyvat-red-blink{color:#ff4d4f;cursor:pointer;vertical-align:middle;animation:.8s ease-in-out infinite alternate genshin-red-blink;display:inline-block}.tiyvat-reward-panel{box-sizing:border-box!important;border:1px solid var(--accent-border)!important;width:100%!important;max-width:100%!important;-webkit-backdrop-filter:var(--glass-blur)!important;backdrop-filter:var(--glass-blur)!important;background:linear-gradient(135deg,#ffc1070d 0%,#0000 100%)!important;border-radius:4px!important;margin-bottom:2.2rem!important;padding:1.5rem!important;display:block!important;position:relative!important;overflow:visible!important;box-shadow:0 0 30px #000c,inset 0 0 20px #ffc10705!important}.tiyvat-reward-panel:after{content:"";border-top:1.5px solid var(--accent);border-right:1.5px solid var(--accent);opacity:.8;width:8px;height:8px;position:absolute;top:6px;right:6px}.tiyvat-reward-panel:before{content:"";border-bottom:1.5px solid var(--accent);border-left:1.5px solid var(--accent);opacity:.8;width:8px;height:8px;position:absolute;bottom:6px;left:6px}.tiyvat-reward-panel__container{box-sizing:border-box!important;flex-direction:column!important;gap:1.2rem!important;width:100%!important;display:flex!important}.tiyvat-reward-panel__row{box-sizing:border-box!important;justify-content:space-between!important;align-items:center!important;width:100%!important;display:flex!important}.tiyvat-reward-panel__left-panel{align-items:center!important;display:flex!important}.tiyvat-reward-panel__middle-panel{-webkit-user-select:none;user-select:none;cursor:help!important;flex-direction:column!important;gap:8px!important;display:flex!important;position:relative!important}.tiyvat-reward-panel__reward-title{color:var(--text-dim)!important;letter-spacing:1px!important;text-transform:uppercase!important;align-items:center!important;gap:4px!important;font-size:.72rem!important;font-weight:800!important;display:flex!important}.tiyvat-reward-panel__info-icon{color:var(--accent);background:var(--accent-soft);border:1px solid #ffc1074d;border-radius:50%;justify-content:center;align-items:center;width:12px;height:12px;margin-left:2px;font-size:.65rem;display:inline-flex}.tiyvat-reward-panel__grid{justify-content:flex-start!important;gap:10px!important;display:flex!important}.tiyvat-reward-badge,.tiyvat-reward-badge--active{border-radius:4px!important;justify-content:center!important;align-items:center!important;width:44px!important;height:44px!important;transition:all .3s cubic-bezier(.2,.8,.2,1)!important;display:flex!important;position:relative!important}.tiyvat-reward-badge{background:#0000004d!important;border:1px solid #ffffff0d!important}.tiyvat-reward-badge--active{background:var(--accent-soft)!important;border:1.5px solid var(--accent)!important;box-shadow:0 0 12px #ffc10740!important}.tiyvat-reward-badge:hover,.tiyvat-reward-badge--active:hover{transform:scale(1.08)rotate(3deg)!important}.tiyvat-reward-badge__days{color:var(--text-dim)!important;font-size:.5rem!important;font-weight:800!important;line-height:1!important;position:absolute!important;bottom:2px!important}.tiyvat-reward-hint{display:none;width:250px!important;color:var(--accent)!important;border:1px solid var(--accent)!important;z-index:1000!important;-webkit-backdrop-filter:blur(10px)!important;backdrop-filter:blur(10px)!important;background:#162030fa!important;border-radius:4px!important;padding:10px 14px!important;font-size:.75rem!important;line-height:1.6!important;animation:.25s cubic-bezier(.18,.89,.32,1.28) tiyvatPopIn!important;position:absolute!important;bottom:110%!important;left:0!important;box-shadow:0 10px 25px #0009!important}.tiyvat-reward-hint.show{display:block!important}.tiyvat-reward-hint:after{content:""!important;border-style:solid!important;border-width:6px!important;border-color:var(--accent) transparent transparent transparent!important;position:absolute!important;top:100%!important;left:20px!important}.tiyvat-reward-panel__right-panel-bottom{position:relative!important}.tiyvat-reward-panel__qr{cursor:pointer!important;position:relative!important}.tiyvat-reward-panel__qr-badge{background:#ffc10714!important;border:1.5px solid #ffc10740!important;border-radius:4px!important;padding:3px!important;transition:all .2s!important}.tiyvat-reward-panel__qr-badge img{border-radius:2px!important;width:32px!important;height:32px!important;display:block!important}.tiyvat-reward-panel__qr-popover{visibility:hidden;opacity:0;transform:translateY(10px)scale(.95);border:1px solid var(--accent)!important;z-index:1010!important;-webkit-backdrop-filter:blur(10px)!important;backdrop-filter:blur(10px)!important;background:#162030fa!important;border-radius:8px!important;width:140px!important;padding:10px!important;transition:all .25s cubic-bezier(.18,.89,.32,1.28)!important;position:absolute!important;bottom:125%!important;right:-5px!important;box-shadow:0 10px 30px #0009!important}.tiyvat-reward-panel__qr-popover .popover-inner{flex-direction:column!important;align-items:center!important;gap:6px!important;display:flex!important}.tiyvat-reward-panel__qr-popover img{border-radius:4px!important;width:110px!important;height:110px!important;display:block!important}.tiyvat-reward-panel__qr-popover span{color:var(--text-main)!important;letter-spacing:.5px!important;font-size:.6rem!important;font-weight:800!important}.tiyvat-reward-panel__qr-popover:after{content:""!important;border-style:solid!important;border-width:6px!important;border-color:var(--accent) transparent transparent transparent!important;position:absolute!important;top:100%!important;right:15px!important}.tiyvat-reward-panel__qr:hover .tiyvat-reward-panel__qr-badge,.tiyvat-reward-panel__qr.active .tiyvat-reward-panel__qr-badge{border-color:var(--accent)!important;background:#ffc10726!important;transform:scale(1.05)!important;box-shadow:0 0 10px #ffc1074d!important}.tiyvat-reward-panel__qr:hover .tiyvat-reward-panel__qr-popover,.tiyvat-reward-panel__qr.active .tiyvat-reward-panel__qr-popover{visibility:visible!important;opacity:1!important;transform:translateY(0)scale(1)!important}@media (width<=580px){.tiyvat-reward-panel{margin-bottom:1.8rem!important;padding:1.1rem!important}.tiyvat-reward-panel__container{gap:.9rem!important}.tiyvat-reward-panel__row{flex-flow:wrap!important;align-items:center!important;gap:8px!important}.tiyvat-reward-panel__left-panel span:nth-child(3){margin-left:6px!important}.tiyvat-reward-badge,.tiyvat-reward-badge--active{width:36px!important;height:36px!important}.tiyvat-reward-badge div,.tiyvat-reward-badge--active div{font-size:1.25rem!important}.tiyvat-reward-panel__qr-popover{right:-10px!important}.tiyvat-mobile-hide{display:none!important}.tiyvat-reward-panel__right-panel-top .btn{white-space:nowrap!important;min-height:28px!important;padding:.3rem .65rem!important}}.btn-knight-backpack{align-items:center;gap:6px;font-weight:700;display:inline-flex;position:relative;overflow:hidden;color:#ffb703!important;background:#ffb7031a!important;border:1px solid #ffb70380!important;box-shadow:0 0 10px #ffb70333,inset 0 0 8px #ffb7031a!important}.btn-knight-backpack:after{content:"";background:linear-gradient(90deg,#fff0 0%,#fff6 50%,#fff0 100%);width:30%;height:200%;animation:3s ease-in-out infinite backpackShimmer;position:absolute;top:-50%;left:-60%;transform:rotate(30deg)}.knight-backpack-sparkle{filter:drop-shadow(0 0 4px #ffb703);animation:2s ease-in-out infinite knightBackpackSparkle;display:inline-block}@keyframes backpackShimmer{0%{left:-60%}30%,to{left:160%}}@keyframes knightBackpackSparkle{0%,to{filter:drop-shadow(0 0 3px #ffb703)brightness();transform:scale(1)rotate(0)}50%{filter:drop-shadow(0 0 8px #ffb703)brightness(1.2);transform:scale(1.15)rotate(8deg)}}.tiyvat-modal-card{box-sizing:border-box!important;border:1px solid var(--accent)!important;-webkit-backdrop-filter:var(--glass-blur)!important;backdrop-filter:var(--glass-blur)!important;background:#162030!important;border-radius:8px!important;flex-direction:column!important;display:flex!important;position:relative!important;overflow:hidden!important;box-shadow:0 10px 40px #0009!important}.tiyvat-modal-card:after{content:"";border-top:1.5px solid var(--accent);border-right:1.5px solid var(--accent);opacity:.8;pointer-events:none;width:8px;height:8px;position:absolute;top:6px;right:6px}.tiyvat-modal-card:before{content:"";border-bottom:1.5px solid var(--accent);border-left:1.5px solid var(--accent);opacity:.8;pointer-events:none;width:8px;height:8px;position:absolute;bottom:6px;left:6px}.tiyvat-modal-scroll-body{flex:1;padding-right:4px;overflow-y:auto!important}.tiyvat-reward-panel__right-panel-top .btn{letter-spacing:.5px!important;min-width:auto!important;padding:.35rem .75rem!important;font-size:.72rem!important}.tiyvat-reward-panel__left-panel span{white-space:nowrap!important}