:root{--ink:#171714;--muted:#77736a;--green:#08785f;--green-dark:#055b49;--gold:#c69a4b;--line:#e9e4da;--ivory:#fbfaf6}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{font-family:Arial,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--ivory)}button{font:inherit;cursor:pointer}.gateway{position:relative;min-height:100vh;overflow:hidden;background:#030201}.gateway:after{position:fixed;z-index:20;inset:0;background:#000;content:"";opacity:0;pointer-events:none;transition:opacity .25s ease}.gateway.gateway-leaving:after{opacity:1}.gateway-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.gateway-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.94),rgba(0,0,0,.7) 38%,rgba(0,0,0,.04) 78%)}.gateway h1{max-width:760px;font-size:clamp(44px,4.5vw,64px)}.gateway-copy{position:relative;z-index:1;display:flex;min-height:100vh;width:min(760px,calc(100% - 80px));margin-left:4vw;margin-right:auto;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center}.eyebrow{color:#d9b76f;font-size:14px;letter-spacing:.16em}.gateway h1{max-width:720px;margin:24px 0 12px;font-family:Songti SC,SimSun,serif;font-size:clamp(48px,5vw,78px);font-weight:600;line-height:1.12}.gateway-copy>p[lang=ar]{margin:0;color:#dfc27e;font-family:Traditional Arabic,Noto Naskh Arabic,serif;font-size:28px;text-align:center}.gateway-note{max-width:520px;margin:46px 0 22px;color:#c9c5bd;font-size:17px;line-height:1.9}.gateway-actions{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);align-items:center;grid-gap:14px;gap:14px;width:min(520px,100%)}.enter-button{display:flex;min-height:46px;align-items:center;justify-content:center;gap:9px;border:1px solid rgba(219,183,105,.42);border-radius:6px;background:rgba(8,6,3,.58);color:#d4c49d;padding:11px 16px;font-size:14px;font-weight:600;text-decoration:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}.enter-button:hover{border-color:rgba(232,196,117,.68);background:rgba(22,16,8,.82);color:#f0d99f}.enter-button:focus-visible{outline:2px solid #f0c76b;outline-offset:3px}.word-button{min-height:66px;border-color:#e3b958;background:#d7a447;color:#120e08;padding:17px 28px;font-size:19px;font-weight:800;box-shadow:0 10px 30px rgba(206,155,63,.28)}.word-button:hover{background:#edbf62;color:#120e08;transform:translateY(-1px);box-shadow:0 13px 34px rgba(206,155,63,.36)}.practice-shell{position:relative;height:100dvh;overflow:hidden;background:#fff}.practice-shell:after{position:fixed;z-index:100;inset:0;background:#000;content:"";pointer-events:none;animation:blackReveal .35s ease both}.practice-header{height:104px;display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:52px 40px;grid-column-gap:24px;column-gap:24px;align-items:center;border-bottom:1px solid var(--line);padding:6px 36px}.brand{display:flex;align-items:center;gap:12px;border:0;background:none;text-align:left;color:#171612;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;-moz-user-select:none;user-select:none}.brand img{width:42px;height:42px;object-fit:contain}.brand span{display:grid;grid-gap:2px;gap:2px}.brand strong{font-size:19px}.brand small{color:var(--muted);font-size:12px}.year-tabs{grid-column:1/-1;grid-row:2;display:flex;min-width:0;gap:5px;overflow-x:auto;overscroll-behavior-x:contain;padding:4px;border-radius:8px;background:#f3f1eb;scrollbar-width:thin}.year-tabs button{flex:0 0 auto;border:0;border-radius:6px;background:transparent;padding:7px 16px;color:var(--muted)}.year-tabs button.active{background:#fff;color:var(--green);box-shadow:0 2px 12px rgba(42,34,20,.08)}.practice-header-actions{grid-column:3;grid-row:1;display:flex;align-items:center;justify-self:end;gap:14px}.header-progress{color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.home-button{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:8px 11px;color:#575249;white-space:nowrap}.home-button:hover{border-color:#d5aa4d;color:var(--green)}@keyframes blackReveal{0%{opacity:1}to{opacity:0}}@media(prefers-reduced-motion:reduce){.gateway:after{transition:none}.practice-shell:after{animation:none;display:none}}.simple-state{min-height:100dvh;margin:0}.loading-state{display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at 50% 43%,rgba(198,154,75,.14),transparent 20rem),#fbfaf6;text-align:center}.loading-card{display:grid;justify-items:center;padding:34px}.loading-card img{width:68px;height:68px;object-fit:contain;animation:loadingBreathe 1.8s ease-in-out infinite}.loading-card p{margin:18px 0 8px;color:#08785f;font-family:YouYuan,幼圆,Microsoft YaHei,sans-serif;font-size:clamp(28px,3vw,42px);font-weight:700;letter-spacing:.06em}.loading-card>span{color:#8a8479;font-size:15px}.loading-card i{display:flex;gap:7px;margin-top:22px}.loading-card i b{width:7px;height:7px;border-radius:50%;background:#c69a4b;animation:loadingDot 1.1s ease-in-out infinite}.loading-card i b:nth-child(2){animation-delay:.14s}.loading-card i b:nth-child(3){animation-delay:.28s}@keyframes loadingBreathe{50%{transform:scale(1.07);filter:drop-shadow(0 5px 10px rgba(198,154,75,.28))}}@keyframes loadingDot{0%,60%,to{opacity:.28;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}.practice-grid{display:grid;grid-template-columns:230px minmax(0,850px);grid-gap:44px;gap:44px;width:min(1160px,calc(100% - 56px));height:calc(100dvh - 104px);margin:0 auto;overflow:hidden}.question-rail{height:100%;min-height:0;overflow-y:auto;overscroll-behavior:contain;border-right:1px solid var(--line);padding:24px 20px 30px 0}.question-rail>span{display:block;margin-bottom:12px;color:var(--muted);font-size:13px}.question-rail>button:not(.reset){display:grid;grid-template-columns:34px 1fr 18px;align-items:center;grid-gap:9px;gap:9px;width:100%;min-height:52px;border:0;border-radius:8px;background:transparent;padding:6px 9px;text-align:left}.question-rail>button.active{background:#edf6f2;color:var(--green)}.question-rail i{display:grid;place-items:center;width:28px;height:28px;border:1px solid #d5b36f;border-radius:50%;font-style:normal}.question-rail b{font-family:Traditional Arabic,Noto Naskh Arabic,serif;font-size:19px;font-weight:500;text-align:right}.reset{display:flex;align-items:center;gap:8px;margin:18px 9px 0;border:0;background:none;color:var(--muted)}.question-stage{height:100%;min-width:0;overflow-y:auto;overscroll-behavior:contain;padding:28px 8px 40px 0}.question-meta{display:flex;align-items:center;gap:12px}.question-meta b,.question-meta em,.question-meta span{border-radius:4px;padding:7px 10px;background:#eef6f3;color:var(--green);font-size:13px;font-style:normal}.question-meta em{margin-left:auto;background:#f7f2e8;color:#997333}.instruction{margin:18px 0 10px;color:var(--muted)}.arabic-prompt{margin:0;min-height:72px;font-size:29px;line-height:1.75;text-align:right}.arabic-prompt,.focus-word{font-family:Traditional Arabic,Noto Naskh Arabic,serif}.focus-word{display:inline-block;float:right;margin-top:-5px;border-bottom:2px solid var(--green);color:var(--green);font-size:24px}.options{clear:both;display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;padding-top:24px}.options button{display:flex;align-items:center;justify-content:flex-end;gap:16px;min-height:62px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px 16px}.options button.selected,.options button:hover{border-color:var(--green);background:#f1f8f5}.options button.correct{border-color:var(--green);background:#e3f3ec}.options button.wrong{border-color:#b9584d;background:#fff0ee}.options span{order:2;display:grid;place-items:center;width:32px;height:32px;border:1px solid #d5b36f;border-radius:50%;color:#9a712d}.options b{font-family:Traditional Arabic,Noto Naskh Arabic,serif;font-size:24px;font-weight:500}.answer-note{margin-top:16px;border-left:3px solid var(--gold);background:#fbf7ee;padding:14px 18px}.answer-note strong{color:var(--green)}.answer-note p{margin:8px 0 0;color:#605b52;line-height:1.7}.question-actions{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;grid-gap:20px;gap:20px;margin-top:20px;border-top:1px solid var(--line);padding-top:18px}.question-actions>span{color:var(--muted)}.primary,.secondary{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border-radius:6px;padding:0 18px}.primary{justify-self:end;border:1px solid var(--green);background:var(--green);color:#fff}.secondary{justify-self:start;border:1px solid var(--line);background:#fff;color:var(--ink)}button:disabled{cursor:not-allowed;opacity:.4}.prompt-translation{clear:both;margin:4px 0 12px;border-left:3px solid var(--gold);background:#faf7ef;padding:10px 14px;color:#514c43;font-size:16px;line-height:1.75}.prompt-translation:before{margin-right:7px;color:#a5782d;content:"译：";font-size:13px;font-weight:700}.answer-note p{white-space:pre-line}.answer-analysis{margin-top:8px}.analysis-row{direction:ltr;display:grid;grid-template-columns:42px minmax(150px,.8fr) minmax(220px,1.2fr);align-items:center;grid-gap:14px;gap:14px;min-height:42px;border-top:1px solid #ece3d2}.analysis-row>span{color:#9a712d;font-weight:700;text-align:center}.analysis-row>b{font-family:Traditional Arabic,Noto Naskh Arabic,serif;font-size:21px;font-weight:500;text-align:right}.analysis-row>em{color:#605b52;font-size:14px;font-style:normal;text-align:left}.target-row{margin-top:12px;border-top:0;border-radius:6px;background:#f4efe4;padding:2px 8px}.target-row>span{color:var(--green);font-size:13px}.analysis-extra{border-top:1px solid #ece3d2;padding-top:10px}.year-notice{display:grid;height:calc(100dvh - 104px);place-items:center;overflow:auto;padding:36px;background:radial-gradient(circle at 50% 34%,rgba(205,167,91,.2),transparent 34%),linear-gradient(145deg,#f8f5ed,#eef2ee)}.year-notice-card{position:relative;width:min(760px,100%);overflow:hidden;border:1px solid rgba(178,139,65,.35);border-radius:18px;background:rgba(255,255,255,.9);box-shadow:0 28px 80px rgba(45,38,25,.13);padding:62px 56px;text-align:center}.year-notice-card:before{position:absolute;inset:10px;border:1px solid rgba(178,139,65,.2);border-radius:12px;content:"";pointer-events:none}.year-notice-mark{position:absolute;right:-12px;top:-44px;color:rgba(35,91,72,.055);font-family:Georgia,serif;font-size:180px;font-weight:700;line-height:1}.mask-symbol{position:relative;display:flex;width:100px;height:50px;margin:0 auto 24px;align-items:center;justify-content:center}.mask-symbol b{display:block;width:66px;height:40px;border:2px solid #b58a3d;border-radius:9px 9px 18px 18px;background:linear-gradient(#f6e5bb,#ead29a);box-shadow:inset 0 -9px rgba(181,138,61,.08)}.mask-symbol b:after,.mask-symbol b:before{display:block;width:46px;height:1px;margin:9px auto 0;background:rgba(126,91,31,.35);content:""}.mask-symbol i{width:17px;height:29px;border:2px solid rgba(35,91,72,.45)}.mask-symbol i:first-child{border-right:0;border-radius:16px 0 0 16px}.mask-symbol i:last-child{border-left:0;border-radius:0 16px 16px 0}.year-notice-kicker{margin:0;color:#a5782d;font-size:13px;font-weight:700;letter-spacing:.28em}.year-notice h1{margin:14px 0 18px;color:var(--green);font-family:Songti SC,SimSun,serif;font-size:clamp(34px,5vw,54px);font-weight:600}.year-notice h1+p{margin:0;color:#4f4a42;font-size:clamp(18px,2vw,23px);line-height:1.8}.year-notice-seal{display:inline-block;margin-top:32px;border:1px solid rgba(35,91,72,.3);border-radius:999px;padding:8px 16px;color:var(--green);font-size:13px;letter-spacing:.12em}@media(max-width:800px){.gateway-art{object-position:65% center}.gateway-shade{background:rgba(0,0,0,.65)}.gateway-copy{width:calc(100% - 40px);margin:auto;justify-content:flex-end;padding-bottom:56px}.gateway h1{font-size:46px}.gateway-note{margin-top:30px}.gateway-actions{grid-template-columns:minmax(0,.74fr) minmax(0,1.26fr);gap:8px}.enter-button{min-height:44px;padding:10px 12px;font-size:13px}.word-button{min-height:58px;padding:13px 16px;font-size:17px}.practice-shell{display:flex;height:100dvh;min-height:0;overflow:hidden;flex-direction:column;overscroll-behavior:none}.practice-header{flex:0 0 auto;height:auto;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;gap:7px;padding:9px 16px}.brand img{width:36px;height:36px}.brand strong{font-size:17px}.year-tabs{grid-column:1/-1;grid-row:2;justify-content:flex-start;padding:2px;scrollbar-width:none}.question-rail::-webkit-scrollbar,.year-tabs::-webkit-scrollbar{display:none}.year-tabs button{padding:6px 13px}.practice-header-actions{grid-column:2;grid-row:1;gap:8px}.header-progress{display:none}.home-button{padding:7px 9px;font-size:12px}.practice-grid{display:flex;width:calc(100% - 28px);height:auto;min-height:0;flex:1 1 auto;overflow:hidden;flex-direction:column}.question-rail{flex:0 0 auto;height:auto;min-height:0;border-right:0;border-bottom:1px solid var(--line);padding:7px 0;white-space:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.question-rail b,.question-rail svg,.question-rail>span,.reset{display:none}.question-rail>button:not(.reset){display:inline-grid;width:43px;min-height:37px;padding:2px;color:#3d3933;-webkit-text-fill-color:#3d3933}.question-rail i{width:26px;height:26px}.question-rail>button.active{color:var(--green);-webkit-text-fill-color:var(--green)}.question-stage{height:auto;min-height:0;flex:1 1 auto;overflow:hidden;padding:12px 0 max(8px,env(safe-area-inset-bottom))}.question-stage.is-revealed{overflow-x:hidden;overflow-y:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}.question-meta{gap:7px}.question-meta b,.question-meta span{padding:5px 8px;font-size:12px}.instruction{margin:9px 0 3px;font-size:14px}.arabic-prompt{min-height:0;margin:0;font-size:23px;line-height:1.45}.focus-word{margin-top:0;font-size:21px}.options{grid-template-columns:1fr;gap:6px;padding-top:12px}.options button{min-height:46px;padding:5px 12px}.options span{width:28px;height:28px}.options b{font-size:21px}.options button,.options button b{color:#171714;-webkit-text-fill-color:#171714}.options button.correct,.options button.correct b{color:var(--green);-webkit-text-fill-color:var(--green)}.options button.wrong,.options button.wrong b{color:#7f302a;-webkit-text-fill-color:#7f302a}.question-actions{gap:8px;margin-top:8px;padding-top:8px}.primary,.secondary{min-height:38px;padding:0 10px;font-size:13px}.brand small,.question-meta em{display:none}.brand strong{color:#171612;-webkit-text-fill-color:#171612}.answer-note{margin-top:10px;padding:10px 12px}.analysis-row{grid-template-columns:30px minmax(90px,.8fr) minmax(120px,1.2fr);gap:6px;min-height:36px}.analysis-row>b{font-size:18px}.analysis-row>em{font-size:12px}.year-notice{min-height:0;height:auto;flex:1 1 auto;padding:18px 14px}.year-notice-card{padding:36px 20px}.year-notice-mark{font-size:100px}}@media(min-width:801px){.gateway h1{max-width:760px;font-family:Microsoft YaHei,PingFang SC,sans-serif;font-size:clamp(44px,4.5vw,64px);font-weight:700;letter-spacing:-.04em}}.gateway h1{font-family:Microsoft YaHei,PingFang SC,sans-serif}