:root{--red:#d71920;--red-dark:#a80712;--ink:#1e2430;--muted:#6d7480;--line:#e5e7eb;--bg:#f5f6f8;--panel:#fff;--green:#0a8f5b;--amber:#b96800;--shadow:0 18px 45px rgba(26,34,52,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#fff 0,#f7f7f8 310px,#f3f4f6 100%);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}.hidden{display:none!important}button,input,select{font:inherit}.topline{height:5px;background:linear-gradient(90deg,var(--red) 0 65%,#1f2937 65%)}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;color:inherit;text-decoration:none}.brand img{width:104px;height:46px;object-fit:contain}.brand span{display:grid;gap:3px;border-left:1px solid var(--line);padding-left:14px}.brand small{font-size:11px;color:var(--red);letter-spacing:.1em;font-weight:700}.brand b{font-size:18px}.admin-link,.back-button{border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);padding:9px 14px;text-decoration:none;cursor:pointer}.admin-link:hover,.back-button:hover{border-color:#f3aeb1;color:var(--red)}.stage{padding-bottom:50px}.hero{min-height:310px;border-radius:28px;padding:48px 54px;background:radial-gradient(circle at 78% 30%,rgba(255,255,255,.18),transparent 28%),linear-gradient(135deg,#cf101b,#ee2630);color:white;display:flex;align-items:center;justify-content:space-between;overflow:hidden;box-shadow:0 26px 65px -35px rgba(215,25,32,.8)}.eyebrow,.red-label{font-size:11px;font-weight:800;letter-spacing:.18em}.hero h1{font-size:46px;margin:18px 0 15px;letter-spacing:-.04em}.hero p{max-width:650px;line-height:1.85;color:rgba(255,255,255,.82);margin:0}.hero-mark{font-family:serif;font-size:140px;font-weight:800;opacity:.12;white-space:nowrap}.hero-mark span{font-size:.7em}.section-title{display:flex;justify-content:space-between;align-items:end;margin:34px 3px 17px}.section-title small{color:var(--red);font-weight:800;letter-spacing:.17em}.section-title h2{margin:7px 0 0;font-size:28px}.section-title p{color:var(--muted);font-size:14px}.bank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.bank-card{border:1px solid var(--line);border-radius:20px;background:#fff;padding:25px;text-align:left;cursor:pointer;box-shadow:0 7px 20px rgba(24,35,55,.035);transition:.2s}.bank-card:hover{transform:translateY(-4px);border-color:#f1a4a8;box-shadow:var(--shadow)}.bank-number{display:flex;align-items:center;justify-content:space-between}.bank-number b{color:rgba(215,25,32,.25);font-size:32px}.bank-number span{background:#fff0f1;color:var(--red);padding:6px 10px;border-radius:99px;font-size:12px}.bank-card h3{font-size:21px;margin:30px 0 10px}.bank-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}.bank-card footer{margin-top:24px;color:var(--red);font-weight:700;text-align:left}.loading{grid-column:1/-1;padding:60px;text-align:center;color:var(--muted)}.back-button{margin:12px 0 20px}.auth-layout{display:grid;grid-template-columns:1.05fr .95fr;min-height:560px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.auth-summary{padding:65px;background:linear-gradient(145deg,#be1019,#ed2731);color:#fff}.auth-summary small{letter-spacing:.15em;opacity:.7}.auth-summary h1{font-size:38px;line-height:1.3;margin:23px 0}.auth-summary p{line-height:1.9;color:rgba(255,255,255,.8)}.auth-summary ul{display:flex;gap:10px;flex-wrap:wrap;list-style:none;padding:20px 0 0}.auth-summary li{background:rgba(255,255,255,.12);padding:8px 11px;border-radius:8px;font-size:13px}.panel{background:var(--panel);border:1px solid var(--line);box-shadow:0 10px 35px rgba(23,31,48,.05)}.form-card{padding:55px;display:flex;flex-direction:column;justify-content:center}.form-icon{display:grid;place-items:center;width:46px;height:46px;background:#fff0f1;color:var(--red);font-weight:800;border-radius:13px}.red-label{color:var(--red);margin-top:22px}.form-card h2{font-size:28px;margin:7px 0 23px}.form-card label{font-size:14px;font-weight:700;margin-top:15px}.form-card input{width:100%;height:49px;border:1px solid var(--line);border-radius:10px;padding:0 14px;margin-top:8px;outline:0}.form-card input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(215,25,32,.08)}button.primary{border:0;border-radius:10px;background:var(--red);color:#fff;min-height:45px;padding:0 24px;font-weight:800;cursor:pointer}button.primary:hover{background:var(--red-dark)}button.primary:disabled{opacity:.45;cursor:not-allowed}.wide{width:100%;margin-top:25px}.privacy{text-align:center;font-size:12px;color:var(--muted)}.error{border:1px solid #fecaca;background:#fff1f2;color:#b91c1c;border-radius:9px;padding:11px 13px;font-size:13px}.quiz-top{display:flex;align-items:center;gap:22px;border-radius:17px;padding:17px 22px;margin:8px 0 16px}.quiz-top>div:first-child{min-width:175px;display:grid;gap:3px}.quiz-top small{color:var(--muted)}.progress{height:9px;border-radius:99px;background:#eceef2;overflow:hidden;flex:1}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),#ef4c53);border-radius:inherit;transition:.3s}.quiz-top>span{font-variant-numeric:tabular-nums;color:var(--muted)}.question-card{border-radius:24px;overflow:hidden}.question-card header{padding:31px 38px;border-bottom:1px solid var(--line)}.question-meta{display:flex;gap:9px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px}.question-meta span{background:#f0f1f3;border-radius:7px;padding:5px 9px}.question-meta .type-badge{background:var(--red);color:#fff;font-weight:800}.question-card h1{font-size:24px;line-height:1.65;margin:18px 0 0}.multi-hint{color:var(--red);font-size:13px}.question-body{padding:30px 38px 36px;background:#fafafa}.options{display:grid;gap:12px}.option{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:13px;background:#fff;padding:15px;cursor:pointer}.option:hover{border-color:#efafb2}.option.selected{border-color:var(--red);box-shadow:0 0 0 2px rgba(215,25,32,.08)}.option input{width:18px;height:18px;accent-color:var(--red)}.option b{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#f1f2f4;color:var(--muted)}.option.selected b{background:var(--red);color:#fff}.option.disabled{cursor:default}.feedback{margin:22px 0 17px;border-left:4px solid var(--green);background:#ecfdf5;border-radius:9px;padding:17px 19px}.feedback.wrong{border-left-color:var(--red);background:#fff1f2}.feedback h3{margin:0 0 10px;font-size:16px}.feedback p{margin:8px 0;line-height:1.75;font-size:14px}.feedback .contact{border-top:1px solid rgba(0,0,0,.08);margin-top:13px;padding-top:11px;color:var(--muted)}.student-foot{text-align:center;color:var(--muted);font-size:12px}.result-card{max-width:650px;margin:40px auto;text-align:center;border-radius:27px;padding:55px}.result-icon{display:grid;place-items:center;width:68px;height:68px;border-radius:50%;background:var(--red);color:#fff;border:8px solid #ffe3e4;margin:auto;font-size:24px}.result-card>small{display:block;color:var(--red);letter-spacing:.15em;font-weight:800;margin-top:25px}.result-card h1{font-size:25px}.result-card strong{display:block;font-size:70px;color:var(--red);letter-spacing:-.05em}.result-card>p{color:var(--muted)}.result-note{background:#f5f6f8;border-radius:10px;padding:14px;color:var(--muted);font-size:14px;margin:25px 0}.outline{border:1px solid var(--red);background:#fff;color:var(--red);border-radius:9px;padding:11px 20px;font-weight:700;cursor:pointer}body>footer{text-align:center;color:#9aa0aa;padding:22px;font-size:12px}
@media(max-width:820px){.brand span{display:none}.site-header{height:74px}.hero{padding:34px 28px;min-height:280px}.hero h1{font-size:36px}.hero-mark{display:none}.section-title{align-items:start;gap:10px;flex-direction:column}.bank-grid{grid-template-columns:1fr}.bank-card h3{margin-top:18px}.auth-layout{grid-template-columns:1fr}.auth-summary{padding:38px 28px}.auth-summary h1{font-size:30px}.form-card{padding:36px 27px}.quiz-top{gap:12px;flex-wrap:wrap}.quiz-top>div:first-child{min-width:150px}.progress{order:3;flex-basis:100%}.question-card header,.question-body{padding:24px 20px}.question-card h1{font-size:20px}.option{align-items:flex-start}.result-card{padding:40px 22px}.result-card strong{font-size:60px}}
@media(max-width:460px){.container{width:min(100% - 20px,1180px)}.brand img{width:90px}.hero{border-radius:20px;padding:30px 22px}.hero h1{font-size:31px}.admin-link{font-size:12px;padding:8px 10px}.auth-layout,.question-card{border-radius:19px}.question-meta span:last-child{width:100%}}