.sfielts{--blue:#1464e5;--navy:#102b4e;--ink:#142237;--muted:#637087;--line:#dbe3ef;--sky:#eef5ff;color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;max-width:1180px;margin:auto}.sfielts *{box-sizing:border-box}.sfielts button,.sfielts select,.sfielts textarea{font:inherit}.sfielts-hero{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;background:linear-gradient(120deg,#102b4e,#164f89 62%,#1464e5);color:#fff;padding:34px;border-radius:26px}.sfielts-hero h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.05;margin:8px 0}.sfielts-hero p{color:#dcecff}.sfielts-hero aside{align-self:end;padding:18px;border:1px solid #ffffff38;border-radius:16px;background:#ffffff12}.sfielts-hero aside strong{display:block;font-size:2.2rem}.sfielts-tools{display:flex;gap:14px;align-items:end;margin:24px 0}.sfielts-tools label{font-size:.85rem;font-weight:700}.sfielts select{display:block;margin-top:4px;padding:9px;border:1px solid var(--line);border-radius:9px}.sfielts button{cursor:pointer;border:0;border-radius:10px;padding:10px 14px;font-weight:700}.sfielts-new,.sfielts-submit,.sfielts-writing-score,.sfielts-speaking-score{background:var(--blue);color:#fff}.sfielts-grid{display:grid;grid-template-columns:220px 1fr;gap:20px}.sfielts-grid>nav,.sfielts-grid>main{border:1px solid var(--line);border-radius:18px;background:#fff}.sfielts-grid>nav{padding:10px;height:max-content}.sfielts-grid>nav button{display:block;width:100%;text-align:left;background:transparent}.sfielts-grid>nav button.active{background:var(--sky);color:var(--blue)}.sfielts-grid>main{padding:26px}.sfielts-head{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:20px}.sfielts-head h2{margin:0}.sfielts-head p{margin:3px 0;color:var(--muted)}.sfielts-timer{background:#fff3d6;padding:8px;border-radius:8px}.sfielts-q{padding:17px 0;border-bottom:1px solid var(--line)}.sfielts-q h3{font-size:1rem}.sfielts-q label{display:block;padding:9px;border:1px solid var(--line);border-radius:9px;margin:7px 0}.sfielts-play{background:#fff;border:1px solid var(--line)!important}.sfielts-passage,.sfielts-prompt,.sfielts-check{background:#eff7ff;padding:14px;border-radius:10px}.sfielts textarea{width:100%;min-height:210px;padding:14px;border:1px solid var(--line);border-radius:10px}.sfielts-count{text-align:right;color:var(--muted)}.sfielts-result{display:none;background:#effbf6;border:1px solid #bfe9d8;padding:15px;border-radius:12px;margin-top:16px}.sfielts-result.show{display:block}.sfielts-band{display:block;font-size:2.2rem;font-weight:800;color:#067457}.sfielts-history{overflow:auto}.sfielts table{width:100%;border-collapse:collapse}.sfielts th,.sfielts td{text-align:left;padding:9px;border-bottom:1px solid var(--line)}.sfielts-note{text-align:center;color:var(--muted);font-size:.85rem}@media(max-width:760px){.sfielts-hero{grid-template-columns:1fr}.sfielts-grid{grid-template-columns:1fr}.sfielts-grid>nav{display:flex;overflow:auto}.sfielts-grid>nav button{width:auto;white-space:nowrap}.sfielts-grid>main{padding:18px}.sfielts-head{flex-direction:column}}