:root{--ink:#20304a;--muted:#718099;--blue:#4d7cff;--blue-dark:#315bd6;--sky:#edf4ff;--green:#42bd8b;--yellow:#ffd76f;--pink:#ff91ab;--line:#e2e9f4;--card:#fff;--shadow:0 12px 30px rgba(45,75,130,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Nunito,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(135deg,#f3f7ff 0%,#fff8ef 100%);line-height:1.65}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(1160px,100%);margin:auto;padding:18px 22px 30px}.top-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 18px}.brand,.top-link{color:var(--ink);text-decoration:none;font-weight:900}.brand{font-size:18px}.brand-icon{display:inline-grid;place-items:center;width:35px;height:35px;background:#fff;border-radius:12px;margin-right:7px;box-shadow:0 5px 14px #cbd8ee}.top-nav{display:flex;gap:10px;align-items:center}.top-link{color:var(--blue);font-size:14px}.day-switcher{display:flex;gap:4px;background:#edf3fc;padding:4px;border-radius:12px;border:1px solid var(--line)}.day-btn{padding:4px 9px;border-radius:8px;font-size:12px;font-weight:900;color:var(--ink);text-decoration:none;transition:.15s;white-space:nowrap}.day-btn:hover,.day-btn.active{background:var(--blue);color:#fff}.badge{display:inline-block;padding:5px 12px;border-radius:99px;background:#ffffff33;border:1px solid #ffffff66;font-weight:900;white-space:nowrap}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#4d7cff,#775de2);color:#fff;border-radius:28px;padding:32px 36px;box-shadow:var(--shadow);min-height:220px}.hero:after{content:"✦  ☁  ✈  ✦";position:absolute;right:28px;top:24px;font-size:31px;opacity:.45;letter-spacing:10px}.eyebrow{font-weight:900;letter-spacing:1px;text-transform:uppercase;opacity:.8}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1;margin:10px 0}.hero p{font-size:18px;max-width:700px;margin:0}.hero-badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.progress-bar-card{margin:18px 0 22px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center}.progress-bar-card strong{white-space:nowrap}.bar{height:10px;background:#eaf0f9;border-radius:99px;flex:1;overflow:hidden}.bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--blue));border-radius:99px;transition:.3s}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px}.side{position:sticky;top:14px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:13px;box-shadow:var(--shadow)}.side h3{margin:5px 10px 12px;color:var(--muted);font-size:15px}.nav{display:flex;align-items:center;justify-content:space-between;gap:5px;width:100%;text-align:left;background:#f7f9fd;color:var(--ink);padding:11px 12px;border-radius:13px;margin:5px 0;font-weight:800;text-decoration:none;transition:.18s}.nav:hover,.nav.active{background:var(--sky);color:var(--blue);transform:translateX(3px)}.dot{width:7px;height:7px;border-radius:50%;background:#cbd6e8}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;margin-bottom:18px;box-shadow:var(--shadow)}h2{font-size:26px;line-height:1.25;margin:0 0 12px}h3{margin:16px 0 8px}.sub{color:var(--muted);margin:0 0 13px}.goal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.goal{padding:16px;border-radius:18px;background:#fff8db;border:1px solid #ffe9a1}.goal:nth-child(2){background:#e9fff6;border-color:#b8f0d7}.goal:nth-child(3){background:#ffeaf0;border-color:#ffc4d2}.goal span{display:block;font-size:26px}.goal b{display:block;margin-top:5px}.chips{display:flex;flex-wrap:wrap;gap:9px}.chip{background:#f5f8fd;border:1px solid var(--line);padding:8px 12px;border-radius:99px;color:var(--ink)}button.chip{font-weight:700}.chip:hover{background:var(--sky);border-color:#b8cbf4}.chip b{color:var(--blue)}.qa{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.qa label{font-weight:800;font-size:14px}.qa input,.qa select{display:block;width:100%;border:2px solid #e4eaf4;border-radius:12px;padding:10px 12px;margin-top:5px;outline:0;background:#fff}.qa input:focus,.qa select:focus{border-color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;padding:10px 16px;border:0;border-radius:12px;font-weight:900;margin-top:13px;transition:.18s}.btn:hover{background:var(--blue-dark);transform:translateY(-1px)}.btn.secondary{background:#edf2ff;color:var(--blue)}.btn.green{background:var(--green)}.script{background:#fff8df;border-left:4px solid var(--yellow);padding:14px 17px;border-radius:12px;line-height:1.8}.speaking{background:#f6f9ff;border-radius:17px;padding:18px;font-size:18px;line-height:2}.speaking span{color:var(--blue);font-weight:900}.feedback{font-weight:900;min-height:25px;margin:12px 0 0}.ok{color:#159967}.bad{color:#d95d78}.record{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.record-status{color:var(--muted);font-size:14px}.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.tip{background:#f8fbff;border:1px solid var(--line);border-radius:14px;padding:13px}.tip b{display:block;color:var(--blue)}.checklist label{display:block;padding:9px;border-bottom:1px dashed var(--line)}.checklist input{width:18px;height:18px;accent-color:var(--green);vertical-align:middle;margin-right:8px}.score{font-size:40px;font-weight:900;color:var(--blue);margin-top:10px}.links{display:flex;justify-content:space-between;gap:12px;margin:16px 2px}.links a{color:var(--blue);font-weight:900;text-decoration:none}.footer{text-align:center;color:var(--muted);padding:25px 0 5px}.section{display:none}.section.active{display:block}
@media(max-width:820px){.wrap{padding:12px}.top-bar{align-items:flex-start}.top-link{display:none}.layout{grid-template-columns:1fr}.side{position:static;display:flex;overflow-x:auto;gap:6px;padding:9px}.side h3{display:none}.nav{min-width:max-content;width:auto;margin:0;transform:none!important}.goal-grid,.qa,.tips{grid-template-columns:1fr}.hero{padding:27px 23px;min-height:200px}.hero h1{font-size:43px}.hero:after{font-size:22px;right:13px}.card{padding:19px}.progress-bar-card{font-size:13px}.progress-bar-card strong{white-space:normal}.links{font-size:14px}}
@media(max-width:480px){.brand{font-size:15px}.hero p{font-size:16px}.hero-badges{margin-top:15px}.card{border-radius:18px}.qa{gap:10px}.btn{width:100%}.record .btn{width:auto}.chips{gap:7px}.chip{font-size:14px;padding:7px 10px}}
@media print{body{background:#fff}.side,.top-bar,.progress-bar-card,.links,.btn{display:none!important}.wrap{padding:0}.card,.hero{box-shadow:none;border:1px solid #ddd}.layout{display:block}.hero{color:#111;background:#fff}}