#v2-home *{box-sizing:border-box}
#v2-home{margin:0;background:#e9f0ef;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
#v2-home button{font:inherit;cursor:pointer;color:inherit}
#v2-home button:disabled{opacity:.4;cursor:default}
#v2-home button:focus-visible{outline:3px solid #67c5be;outline-offset:3px}
#v2-home{max-width:480px;min-height:100dvh;margin:auto;background:#f7faf9;padding-bottom:40px}
#v2-home .preview{background:#eaf4f1;color:#607e78;text-align:center;font-size:11px;padding:9px;letter-spacing:1px}
#v2-home header{padding:23px 24px 18px;display:flex;align-items:center;gap:11px}
#v2-home .logo{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--brand);color:white;font-size:23px}
#v2-home header strong{display:block;font-size:18px;letter-spacing:2px}
#v2-home small{font-size:11px;color:var(--muted)}
#v2-home header .edition{margin-left:auto;font-size:10px;letter-spacing:2px;color:var(--muted)}
#v2-home{padding:0 22px}
#v2-home .eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}
#v2-home h1{font-size:25px;font-weight:600;letter-spacing:1px;margin:12px 0}
#v2-home p{line-height:1.7}
#v2-home .muted{font-size:13px;color:var(--muted)}
#v2-home .hello{padding:19px 0 24px;border-bottom:1px solid var(--line);margin-bottom:26px}
#v2-home .section-title{display:flex;justify-content:space-between;align-items:center;margin:23px 0 16px;font-size:17px;font-weight:600}
#v2-home .cover{position:relative;overflow:hidden;border:0;border-radius:18px;background:linear-gradient(120deg,#167f88,#25a9aa 70%,#6bbfb0);padding:25px;color:white;text-align:left;width:100%;min-height:154px;box-shadow:0 10px 28px #16888a16}
#v2-home .cover:before,#v2-home .cover:after{content:"";position:absolute;border:1px solid #ffffff2b;width:150px;height:150px;border-radius:50%;right:-35px;top:-50px}
#v2-home .cover:after{width:205px;height:205px;right:-61px;top:-76px}
#v2-home .cover small{color:#c7eeeb;letter-spacing:2px}
#v2-home .cover h2{font-size:21px;font-weight:600;margin:19px 0 13px;position:relative}
#v2-home .cover .foot{display:flex;justify-content:space-between;font-size:12px;color:#d5efee}
#v2-home .hint{padding:17px 2px;line-height:1.7;font-size:12px;color:var(--muted)}
#v2-home .secondary-banks{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}
#v2-home .chip{background:white;border:1px solid var(--line);border-radius:20px;padding:9px 15px;font-size:12px}
#v2-home .chip.active{color:var(--brand);background:var(--soft);border-color:#b9e2dd}
#v2-home .backbar{display:flex;align-items:center;justify-content:space-between;margin:6px 0 22px;font-size:17px;font-weight:600}
#v2-home .back{border:0;padding:8px 0;background:none;font-size:13px;color:#73908d;min-width:48px;text-align:left}
#v2-home .backbar>span:last-child{width:48px}
#v2-home .list{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:23px}
#v2-home .row{display:flex;align-items:center;gap:14px;text-align:left;background:white;border:0;width:100%;padding:21px 18px}
#v2-home .row+.row{border-top:1px solid #f0f4f3}
#v2-home .icon{display:grid;place-items:center;width:38px;height:38px;flex-shrink:0;border-radius:11px;background:#edf8f5;color:#309e93;font-size:20px}
#v2-home .icon.blue{background:#eef5fb;color:#7097ad}
#v2-home .icon.rose{background:#fff1f0;color:#c68582}
#v2-home .row .label{flex:1}
#v2-home .row strong{font-size:16px;font-weight:500;display:block;margin-bottom:6px}
#v2-home .row small{font-size:11px}
#v2-home .chevron{font-size:22px;color:#b4c6c3}
#v2-home .badge{font-size:10px;color:#b4766e;background:#fcf0ed;border-radius:5px;padding:4px 6px}
#v2-home .progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin:25px 0 11px}
#v2-home .track{height:4px;border-radius:3px;background:#e9efed;overflow:hidden}
#v2-home .fill{height:100%;background:#48b3a7;transition:width .2s}
#v2-home .question{margin-top:35px}
#v2-home .type{font-size:11px;letter-spacing:2px;color:#89a09b}
#v2-home h3{font-size:20px;font-weight:500;line-height:1.8;margin:17px 0 24px}
#v2-home .option{display:flex;gap:14px;align-items:flex-start;width:100%;border:1px solid transparent;border-bottom-color:#edf1ef;background:transparent;padding:20px 14px;text-align:left;font-size:17px;line-height:1.5}
#v2-home .letter{color:#849c96}
#v2-home .option.correct{background:#e4f5ec;border-color:#d8eee3;color:#268664;border-radius:8px}
#v2-home .option.wrong{background:#fbecea;border-color:#f5dfda;color:#b96b62;border-radius:8px}
#v2-home .feedback{text-align:center;margin-top:25px;line-height:1.8;font-size:14px;color:#238f76;min-height:75px}
#v2-home .feedback small{display:block}
#v2-home .answer-page{padding-bottom:110px}
#v2-home .bottom{position:fixed;bottom:0;width:min(480px,100%);left:50%;transform:translateX(-50%);display:flex;gap:10px;background:#ffffffed;border-top:1px solid var(--line);padding:16px 22px max(20px,env(safe-area-inset-bottom))}
#v2-home .btn{border:1px solid #d4e3df;border-radius:9px;background:white;padding:13px 16px;font-size:14px;flex:1}
#v2-home .primary{background:var(--brand);color:white;border-color:var(--brand)}
#v2-home .empty{text-align:center;padding:90px 10px;color:#8da39c;line-height:2}
#v2-home .empty .big{font-size:40px;margin-bottom:18px}
#v2-home .note{margin-top:25px;padding:16px;background:#eef5f2;color:#729087;font-size:12px;line-height:1.8;border-radius:12px}
#v2-home dialog{border:0;border-radius:20px;padding:28px;max-width:340px;width:85%;text-align:center;box-shadow:0 25px 90px #183e3e2b;color:var(--ink)}
#v2-home dialog::backdrop{background:#24474165}
#v2-home dialog .symbol{display:grid;place-items:center;background:var(--brand);color:white;border-radius:50%;width:45px;height:45px;margin:0 auto 18px;font-size:25px}
#v2-home dialog .btn{width:100%;margin-top:12px}
#v2-home dialog h3{font-size:18px;margin:15px 0}
#v2-home dialog p{font-size:13px;color:var(--muted)}
#v2-home .score{font-size:60px;color:var(--brand);font-weight:300;margin:40px 0 0}
#v2-home .center{text-align:center}
#v2-home .stage{display:flex;gap:8px;color:#82a09a;align-items:center;font-size:11px;margin:22px 0 4px}
#v2-home .stage i{height:1px;flex:1;background:#dbe7e2}
#v2-home{padding-top:22px}
#v2-home .account-actions{display:flex;gap:12px;margin-top:22px}
#v2-home .account-actions button{flex:1;background:white;border:1px solid var(--line);border-radius:10px;padding:13px 8px;font-size:14px}
#v2-home .account-actions .logout{color:#b37771}
#v2-home .account-form{background:white;border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:24px}
#v2-home .account-form label{display:block;text-align:left;font-size:14px;margin-bottom:20px}
#v2-home .account-form input{display:block;width:100%;margin-top:10px;padding:14px 12px;border:1px solid #dae6e2;border-radius:9px;font:inherit;background:#fafcfb}
#v2-home .account-form .btn{width:100%}
#v2-home .form-message{color:#b46d64;font-size:13px;line-height:1.7;min-height:22px;margin-bottom:14px}
#v2-home .account-notice{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:22px}

:root{--primary:#159b9b;--primary-dark:#117f80;--gradient:linear-gradient(120deg,#167f88,#25a9aa);--bg:#f7faf9;--text-primary:#203c40;--text:#203c40;--border:#e7eeee}
#legacy-home,.tabbar{display:none!important}#page-home .page-scroll{padding:24px 22px 40px}#v2-home{padding:0;background:none;min-height:0}#v2-home .cover{margin-bottom:14px}#v2-home .account-actions button{margin:0}.subpage,.exam-question-card,.practice-question-card{background:#f7faf9}.btn-primary,.nav-btn.primary{background:var(--gradient)!important}.subpage .card{box-shadow:none;border-radius:14px}.option-item{border-radius:8px}.option-item.correct{background:#e4f5ec}.option-item.wrong{background:#fbecea}
#v2-home{--brand:#159b9b;--ink:#203c40;--muted:#829497;--line:#e7eeee;--soft:#edf8f6;color:var(--ink)}
/* Full-page account login, matching the supplied mobile reference. */
.login-modal{padding:42px 24px 35px;display:flex;flex-direction:column;justify-content:center;gap:30px;overflow-y:auto;background:linear-gradient(160deg,#eaf5fa 0%,#f5f9f8 55%,#e7f4f1 100%)}.login-modal-mask{display:none}.login-brand{z-index:1;text-align:center;flex-shrink:0}.login-brand svg{width:100px;height:88px}.login-brand h1{font-size:28px;color:#233d46;margin:12px 0 20px;letter-spacing:4px}.login-brand p{font-size:12px;color:#839397;letter-spacing:1px}.login-modal-box{width:100%;max-width:410px;border:0;border-radius:20px;padding:28px 24px;box-shadow:0 14px 42px #628d9c0c;background:#ffffffd9;flex-shrink:0}.login-modal-title{text-align:left;font-size:22px;color:#304447}.login-modal-tip{text-align:left;font-size:12px;margin:10px 0 22px;color:#87999c}.login-field label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.login-field input{width:100%;border:0;background:#f4f7f7;border-radius:10px;padding:17px 16px;min-height:54px;font-size:16px}.login-field{margin-bottom:18px}.login-modal-actions{display:flex;flex-direction:column-reverse;gap:10px}.login-submit-btn{background:#159b9b!important;color:white;border-radius:10px;min-height:50px;letter-spacing:5px}.login-cancel-btn{border:0;background:none;color:#91a1a2;font-size:12px;min-height:32px}.login-modal.hidden{display:none!important}@media(max-height:650px){.login-modal{justify-content:flex-start;gap:14px;padding-top:20px}.login-brand svg{width:65px;height:58px}.login-brand h1{margin:5px 0 10px;font-size:24px}}