:root{--bg:#fff;--bg-soft:#f8f9fc;--bg2:#f8f9fc;--ink:#1a1a2e;--text:#1a1a2e;--muted:#6b7280;--card:#fff;--line:#e5e7eb;--border:#e5e7eb;--primary:#1a1a4b;--accent:#c2185b;--accent-soft:#fce7f0;--accent-hover:#a01548;--warn:#c2185b;--good:#1e9e4e;--gold:#1a1a4b;--gold-dim:#a8aec2}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg)}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid hsla(0,0%,100%,.14);position:-webkit-sticky;position:sticky;top:0;background:var(--primary);z-index:10}.brand{font-size:18px;font-weight:700;color:#fff}.brand span{font-size:11px;font-weight:400;color:hsla(0,0%,100%,.6);margin-left:6px}.topbar nav a{margin-left:14px;font-size:14px;color:hsla(0,0%,100%,.85)}.topbar nav a:hover{color:var(--accent-soft)}.footer{padding:24px 16px;text-align:center;font-size:11px;color:hsla(0,0%,100%,.75);background:var(--primary);border-top:1px solid hsla(0,0%,100%,.14)}.hero{position:relative}.hero img{width:100%;display:block}.hero-text{position:absolute;bottom:0;left:0;right:0;padding:40px 20px 20px;background:linear-gradient(transparent,hsla(0,0%,100%,.94))}.hero-text h1{font-size:26px;color:var(--primary);margin-bottom:6px}.hero-text p{font-size:14px;color:var(--ink);opacity:.85}.section{padding:20px 16px}.section h2{font-size:17px;margin-bottom:12px;color:var(--primary)}.grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}.card img{width:100%;height:110px;object-fit:cover;display:block;background:var(--bg2)}.card-body{padding:10px 12px}.card-body h3{font-size:14px;margin-bottom:4px}.card-body p{font-size:12px;color:var(--muted);margin-bottom:8px;min-height:32px}.price-row{display:flex;justify-content:space-between;align-items:center}.price{color:var(--accent);font-weight:700;font-size:15px}.price.free{color:var(--good)}.tag{font-size:10px;background:var(--accent-soft);color:var(--accent);padding:2px 6px;border-radius:4px}.btn,.tag{font-weight:700}.btn{display:block;width:100%;padding:14px;border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:16px;cursor:pointer}.btn:hover{background:var(--accent-hover)}.btn:active{opacity:.85}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--bg-soft)}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:12px;border-radius:8px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:15px}.form-group select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231A1A4B' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;cursor:pointer}.form-group select:focus{outline:none;border-color:var(--primary)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,26,75,.12)}input:focus,select:focus,textarea:focus{outline:none}input[type=checkbox],input[type=radio]{accent-color:var(--accent)}.form-group input[type=date]{position:relative}.form-group input[type=date]::-webkit-calendar-picker-indicator{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;cursor:pointer;opacity:1;filter:invert(9%) sepia(38%) saturate(2400%) hue-rotate(222deg)}.result-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:16px}.result-card h3{color:var(--primary);margin-bottom:10px}.pillars{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;text-align:center;margin:12px 0}.pillar{background:var(--bg2);border-radius:8px;padding:10px 4px}.pillar .stem{color:var(--primary);font-weight:700}.pillar .branch,.pillar .stem{font-size:20px}.pillar .label{font-size:10px;color:var(--muted);margin-top:4px}.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.kv:last-child{border:none}.kv .k{color:var(--muted)}.score{font-size:42px;font-weight:800;color:var(--accent);text-align:center;margin:10px 0}.yiji{display:flex;gap:12px;margin:12px 0}.yiji div{flex:1 1;background:var(--bg2);border-radius:8px;padding:10px;font-size:13px}.yiji .yi h4{color:var(--good);margin-bottom:6px}.yiji .ji h4{color:var(--warn);margin-bottom:6px}.clock-bar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 16px}.clock-top{display:flex;justify-content:space-between;align-items:center;cursor:pointer}.clock-time{color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.5px}.clock-toggle{color:var(--muted);font-size:12px}.clock-detail{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}.sizhu-row{display:flex;gap:8px;margin-bottom:10px}.sizhu-item{flex:1 1;border:1px solid var(--line);border-radius:10px;padding:8px 4px;text-align:center}.sizhu-label{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.sizhu-value{font-size:16px;font-weight:700;color:var(--primary);font-family:"Noto Serif SC",serif}.jieqi-item{border-color:var(--primary)}.date-picker-row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.date-picker-row input{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:13px}.xc-hero{position:relative;overflow:hidden}.xc-hero img{width:100%;display:block;max-height:280px;object-fit:cover}.xc-hero-overlay{position:absolute;inset:0;background:none}.xc-hero-text{position:absolute;bottom:0;left:0;right:0;padding:48px 24px 24px;text-shadow:0 1px 10px rgba(0,0,0,.45)}.xc-hero-eyebrow{font-size:11px;letter-spacing:4px;color:var(--accent-soft);margin-bottom:8px}.xc-hero-text h1{font-size:20px;color:#fff;font-weight:700;margin-bottom:8px;font-family:"Noto Serif SC",serif;letter-spacing:2px}.xc-hero-text h1 span{font-size:16px;font-weight:400;color:#fff;letter-spacing:2px;opacity:.85}.xc-hero-text p{font-size:13px;color:hsla(0,0%,100%,.85);line-height:1.6}.xc-section{padding:22px 16px 6px}.xc-section-head{display:flex;justify-content:space-between;align-items:flex-start;cursor:pointer;margin-bottom:14px}.xc-eyebrow{letter-spacing:3px;margin-bottom:4px}.xc-title{font-size:16px;font-family:"Noto Serif SC",serif}.xc-sub{margin-top:4px}.xc-fold{color:var(--muted);font-size:16px;padding:4px}.xc-section-body{animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1}}.xc-flagship{display:block;background:var(--card);border:1.5px solid var(--primary);border-radius:16px}.xc-flagship:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}.xc-flagship img{width:100%;height:150px;object-fit:cover;display:block}.xc-flagship-body{padding:16px}.xc-flagship-body h3{font-size:17px;color:var(--primary);margin-bottom:8px;font-family:"Noto Serif SC",serif}.xc-flagship-body p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}.xc-flagship-cta{display:flex;justify-content:space-between;align-items:center}.xc-btn{background:var(--accent);color:#fff;font-weight:700;font-size:14px;padding:10px 20px;border-radius:10px}.xc-btn:hover{background:var(--accent-hover)}.xc-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.xc-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:block;transition:transform .15s,border-color .15s}.xc-card:active{transform:scale(.98);border-color:var(--primary)}.xc-card-img{position:relative;height:100px;overflow:hidden;background:var(--bg2)}.xc-card-img img{width:100%;height:100%;object-fit:cover;display:block}.xc-card-placeholder{height:100%;display:flex;align-items:center;justify-content:center;font-size:32px;background:linear-gradient(135deg,#f8f9fc,#edf0f7)}.xc-tag{position:absolute;top:6px;left:6px;font-size:9px;color:#fff;border:1px solid hsla(0,0%,100%,.5);padding:1px 6px;border-radius:12px;font-weight:600;background:rgba(0,0,0,.45)}.xc-card-body h3{margin-bottom:6px;line-height:1.4}.xc-card-body p{font-size:11.5px;color:var(--muted);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.xc-card-foot{display:flex;justify-content:space-between;align-items:center}.xc-price{color:var(--accent);font-weight:700}.xc-price.free{color:var(--good)}.xc-arrow{color:var(--muted);font-size:14px}.xc-card.xc-soon{opacity:.85;border-style:dashed}.xc-footer{text-align:center;padding:20px 16px;border-top:1px solid hsla(0,0%,100%,.14);margin-top:16px}.xc-footer p{font-size:13px;color:#fff;letter-spacing:2px;margin-bottom:6px}.xc-footer a:hover{color:var(--accent-soft)}.xc-foot-sub{font-size:11px!important;color:hsla(0,0%,100%,.75)!important;letter-spacing:1px!important}.xc-kefu{position:fixed;right:16px;bottom:80px;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 4px 16px rgba(194,24,91,.35);z-index:99}.xc-kefu:active{transform:scale(.92)}.xc-teacher-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.xc-teacher-head{display:flex;gap:12px;margin-bottom:14px}.xc-teacher-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#3d3d8f);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;flex-shrink:0;font-family:"Noto Serif SC",serif}.xc-teacher-head h3{font-size:16px;margin-bottom:4px}.xc-teacher-head p{font-size:12px;color:var(--muted);line-height:1.6}.xc-teacher-actions{display:flex;gap:10px}.xc-teacher-btn{flex:1 1;text-align:center;padding:12px;border-radius:10px;border:1px solid var(--primary);color:var(--primary);font-size:14px;font-weight:600}.xc-teacher-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.xc-eyebrow{font-size:11px;letter-spacing:4px;color:var(--accent);margin-bottom:6px;font-weight:600}.xc-title{font-size:20px;color:var(--primary);font-family:"Noto Serif SC",Songti SC,serif;letter-spacing:1px}.xc-sub{color:var(--muted);margin-top:6px;letter-spacing:.5px}.xc-section-head{padding-bottom:4px;margin-bottom:16px}.xc-card{box-shadow:0 2px 10px rgba(26,26,78,.05)}.xc-card-img{height:110px}.xc-card-body h3{font-size:12.5px;font-weight:600;letter-spacing:.5px}.xc-tag{letter-spacing:1px;box-shadow:0 2px 6px rgba(0,0,0,.25)}.xc-flagship{box-shadow:0 4px 20px rgba(26,26,78,.07)}.xc-flagship-body h3{font-size:18px;letter-spacing:1px}.clock-bar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sizhu-value{text-shadow:none}.xc-footer{background:var(--primary)}.xc-section{padding:32px 18px 8px}.xc-eyebrow{letter-spacing:6px;font-size:10px;opacity:.9}.xc-title{font-size:22px;letter-spacing:2px;font-weight:700}.xc-sub{margin-top:8px;font-size:12px;opacity:.75}.xc-section-head{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:18px}.xc-card{border-radius:16px;border-color:var(--line);box-shadow:0 3px 14px rgba(26,26,78,.05)}.xc-grid{gap:14px}.xc-card-img{height:112px}.xc-card-body{padding:12px 14px 14px}.xc-flagship{border-radius:18px;border-width:1px;border-color:var(--primary)}.xc-flagship:before{height:2px;opacity:.8}.xc-flagship-body{padding:20px}.xc-flagship-body h3{font-size:16px}.xc-price{font-size:14px;letter-spacing:.5px}.clock-bar{padding:12px 18px;border-bottom-color:var(--line)}.clock-time{font-size:13px;letter-spacing:1px;font-weight:500}.sizhu-item{border-radius:12px;border-color:var(--line);background:var(--bg2)}.sizhu-value{font-size:20px}.xc-teacher-card{border-radius:16px;border-color:var(--line);padding:18px}.xc-teacher-avatar{width:52px;height:52px;font-size:24px}.xc-btn{padding:12px 24px}.xc-btn,.xc-teacher-btn{border-radius:12px;letter-spacing:1px}.xc-home{background:var(--bg)}.xc-stars{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.xc-hero-overlay{z-index:2}.xc-hero-text{z-index:3}.xc-flagship{position:relative;overflow:hidden}.xc-flagship:after{content:"";position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(105deg,transparent,rgba(194,24,91,.05),transparent);animation:shimmer 4s ease-in-out infinite;pointer-events:none}@keyframes shimmer{0%{left:-100%}60%,to{left:150%}}@media (prefers-reduced-motion:reduce){.xc-flagship:after{animation:none}}.xc-symbol{height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);position:relative}.xc-symbol:before{content:"";position:absolute;inset:8px;border:1px solid var(--line);border-radius:8px;pointer-events:none}.xc-symbol span{font-size:44px;font-weight:700;color:var(--primary);font-family:"Noto Serif SC",Songti SC,serif;line-height:1}.xc-daily-banner{display:block;position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line)}.xc-daily-banner img{width:100%;height:140px;object-fit:cover;display:block}.xc-daily-banner-text{position:absolute;bottom:0;left:0;right:0;padding:12px 16px;background:linear-gradient(transparent,hsla(0,0%,100%,.94))}.xc-daily-banner-text h3{font-size:16px;color:var(--primary);margin-bottom:4px;font-weight:700}.xc-daily-banner-text p{font-size:12px;color:var(--ink);margin:0}