.page-container{display:flex;flex-direction:column;min-height:100vh}.nav,.footer{text-align:center;padding:10px 0}.content{display:flex;justify-content:center;align-items:center;margin:20px 0}.hero-wrapper{position:relative;display:inline-block}.hero-image{width:100%;max-width:800px;display:block;border-radius:12px}.hero-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;font-weight:700;color:gold;text-shadow:2px 2px 4px rgba(0,0,0,.4);pointer-events:none}.hero-text{display:none}.hero-image{display:block;width:100%;height:auto;object-fit:cover;background-color:transparent}:root{--primary-color: #2c3e50;--accent-color: #c0392b;--bg-color: #f7f5f0;--text-color: #2c3e50;--card-bg: rgba(255, 255, 255, .85);--shadow: 0 8px 32px rgba(31, 38, 135, .1);--font-serif: "Noto Serif SC", serif;--font-calligraphy: "Ma Shan Zheng", cursive}body{margin:0;font-family:var(--font-serif);background-color:var(--bg-color);color:var(--text-color);overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;background-image:radial-gradient(circle at 10% 20%,rgba(44,62,80,.08) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(44,62,80,.08) 0%,transparent 40%),radial-gradient(ellipse at 50% 50%,rgba(189,195,199,.1) 0%,transparent 60%);filter:blur(60px);animation:inkBreathe 10s infinite alternate ease-in-out}body:after{content:"";position:fixed;top:0;left:0;width:100%;height:100%;z-index:-2;background-image:url("data:image/svg+xml,%3Csvg width='200' height='200' viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paper'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paper)' opacity='0.08'/%3E%3C/svg%3E");pointer-events:none}@keyframes inkBreathe{0%{transform:scale(1);opacity:.8}to{transform:scale(1.05);opacity:1}}.page-container{min-height:100vh;display:flex;flex-direction:column}.nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--card-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:0 2px 4px #0000000d}.logo{font-size:1.8rem;font-weight:400;font-family:var(--font-calligraphy);color:var(--primary-color);letter-spacing:2px}.links a{margin-left:1.5rem;text-decoration:none;color:var(--text-color);transition:color .3s;font-weight:500}.auth-card{background:var(--card-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:2.5rem;border-radius:255px 15px 225px/15px 225px 15px 255px;border:1px solid rgba(0,0,0,.02);box-shadow:var(--shadow);width:100%;max-width:400px;margin:2rem auto}.auth-title{text-align:center;margin-bottom:2rem;color:var(--primary-color);font-family:var(--font-calligraphy);font-size:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input{width:100%;padding:.8rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;box-sizing:border-box;font-family:var(--font-serif)}.form-group input:focus{border-color:var(--primary-color);outline:none}.btn-primary{width:100%;padding:.8rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:background .3s;font-family:var(--font-serif)}.btn-primary:hover{background-color:#34495e}.btn-primary:disabled{background-color:#95a5a6;cursor:not-allowed}.error-message{background-color:#fdecea;color:#e74c3c;padding:.8rem;border-radius:6px;margin-bottom:1.5rem;text-align:center}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.9rem}.auth-footer a{color:var(--primary-color);text-decoration:none;font-weight:700}.quiz-container{width:100%;max-width:800px;margin:2rem auto;padding:0 1rem;box-sizing:border-box}.progress-bar{height:8px;background-color:#0000000d;border-radius:10px;margin-bottom:2.5rem;overflow:hidden;border:1px solid rgba(0,0,0,.05)}.progress-fill{height:100%;background-color:var(--primary-color);transition:width .5s ease;background-image:linear-gradient(45deg,rgba(255,255,255,.1) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.1) 50%,rgba(255,255,255,.1) 75%,transparent 75%,transparent);background-size:20px 20px}.question-card{background:var(--card-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:3rem;border-radius:255px 15px 225px/15px 225px 15px 255px;border:1px solid rgba(0,0,0,.02);box-shadow:8px 10px 16px #0000000d,-1px -1px 2px #fffc;margin-bottom:2rem;transition:transform .3s ease}.question-card:hover{transform:translateY(-2px)}.question-text{font-size:1.8rem;margin-bottom:2.5rem;line-height:1.6;font-family:var(--font-serif);font-weight:600;text-align:center}.options-grid{display:grid;gap:1.2rem}.option-btn{position:relative;padding:1.5rem;text-align:left;background:#fff9;border:1px solid rgba(44,62,80,.1);border-radius:255px 15px 225px/15px 225px 15px 255px;cursor:pointer;transition:all .4s cubic-bezier(.25,.8,.25,1);font-size:1.2rem;font-family:var(--font-serif);overflow:hidden;z-index:1}.option-btn:before{content:"";position:absolute;top:0;left:0;width:0%;height:100%;background:#2c3e500d;z-index:-1;transition:width .4s ease}.option-btn:hover{transform:scale(1.02);border-color:var(--primary-color);box-shadow:0 5px 15px #0000000d}.option-btn:hover:before{width:100%}.option-btn.selected{background:var(--primary-color);color:#fff;border-color:var(--primary-color);border-radius:15px 225px 5px 25px/225px 15px}.result-container{max-width:900px;margin:2rem auto;padding:0 1rem;text-align:center}.pen-type-card{background:var(--card-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:3rem;border-radius:255px 15px 225px/15px 225px 15px 255px;box-shadow:var(--shadow);margin-bottom:2rem}.pen-type-title{font-size:3rem;color:var(--primary-color);margin-bottom:1rem;font-family:var(--font-calligraphy)}.pen-type-desc{font-size:1.2rem;color:#666;margin-bottom:2rem}.characteristics{background:#f8f9fa;padding:1.5rem;border-radius:8px;margin:2rem 0;line-height:1.8}.action-buttons{display:flex;justify-content:center;gap:1rem;margin-top:2rem}.btn-secondary{padding:.8rem 2rem;background-color:#fff;color:var(--primary-color);border:2px solid var(--primary-color);border-radius:6px;font-size:1rem;cursor:pointer;text-decoration:none;transition:all .3s;font-family:var(--font-serif)}.btn-secondary:hover{background-color:#f8f9fa}.match-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-top:2rem}.user-card{background:var(--card-bg);padding:1.5rem;border-radius:8px;box-shadow:var(--shadow);text-align:center}.user-avatar{width:80px;height:80px;background-color:#eee;border-radius:50%;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;font-size:2rem}@media (max-width: 480px){.logo{font-size:1.4rem}.question-text{font-size:1.2rem;margin-bottom:1.5rem}.option-btn{font-size:1rem;padding:1rem}.question-card{padding:1.5rem}.quiz-container{margin:1rem auto}.progress-bar{margin-bottom:1.5rem}.nav{padding:.8rem 1rem}.auth-title{font-size:1.6rem}.pen-type-title{font-size:2rem}.pen-type-desc{font-size:1rem}}@media (min-width: 481px) and (max-width: 767px){.logo{font-size:1.6rem}.question-text{font-size:1.5rem}.option-btn{font-size:1.1rem;padding:1.2rem}.question-card{padding:2rem}.pen-type-title{font-size:2.5rem}}