:root{--primary-color:#ff85a2;--secondary-color:#ffb3c6;--accent-color:#70d6ff;--bg-color:#fff9fb;--text-color:#4a4a4a;--light-text:#888;--border-color:#ffe4e9;--white:#fff;--shadow:0 8px 20px rgba(255,133,162,.1);--hover-shadow:0 12px 30px rgba(255,133,162,.2);--radius:16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans TC,Microsoft JhengHei,PingFang TC,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}a{text-decoration:none;color:inherit;transition:all .3s ease}.container{max-width:1000px;margin:0 auto;padding:0 20px}header{background-color:var(--white);border-bottom:2px solid var(--border-color);padding:15px 0;margin-bottom:40px;position:-webkit-sticky;position:sticky;top:0;z-index:100}header h1{font-size:22px;color:var(--primary-color);font-weight:900}main{min-height:calc(100vh - 250px)}footer{text-align:center;padding:60px 0;color:var(--light-text);font-size:14px;border-top:2px solid var(--border-color);margin-top:80px;background-color:var(--white)}.tool-intro{margin:0 auto 22px;max-width:680px;padding:14px 16px;border-radius:14px;border:1px dashed var(--secondary-color);background:rgba(255,179,198,.12);color:var(--text-color);font-size:15px}.site-footer-links{margin-top:14px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.site-footer-sep{color:var(--border-color);display:inline-flex;align-items:center;justify-content:center}.site-footer-links a{padding:6px 12px;border-radius:999px;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color)}.site-footer-links a:hover{background-color:var(--primary-color);color:var(--white);border-color:var(--primary-color)}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:25px;gap:25px}.tool-card{background:var(--white);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:all .4s cubic-bezier(.175,.885,.32,1.275);cursor:pointer;display:flex;flex-direction:column;height:100%;border:2px solid transparent}.tool-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--hover-shadow);border-color:var(--secondary-color)}.tool-card--disabled{cursor:default;opacity:.7}.tool-card--disabled:hover{transform:none;box-shadow:var(--shadow);border-color:transparent}.tool-card .icon-wrapper{background-color:var(--bg-color);width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--primary-color)}.tool-card h3{color:var(--text-color);margin-bottom:12px;font-size:20px}.tool-card p{color:var(--light-text);font-size:15px;flex-grow:1}.tool-container{max-width:700px;margin:0 auto;background:var(--white);padding:40px;border-radius:var(--radius);box-shadow:var(--shadow);border:2px solid var(--border-color)}.form-group{margin-bottom:25px}label{display:block;margin-bottom:10px;font-weight:700;color:var(--text-color)}input,select{width:100%;padding:14px;border:2px solid var(--border-color);border-radius:12px;font-size:16px;transition:all .3s;background-color:#fff}input:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px rgba(255,133,162,.1)}button{background-color:var(--primary-color);color:#fff;border:none;padding:15px 24px;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;transition:all .3s;width:100%;box-shadow:0 4px 12px rgba(255,133,162,.3)}button:hover{background-color:#ff5c85;transform:translateY(-2px);box-shadow:0 6px 15px rgba(255,133,162,.4)}.result-area{margin-top:35px;padding:25px;background-color:#fff9fb;border-radius:12px;border:2px dashed var(--primary-color);text-align:center}.result-title{font-weight:700;margin-bottom:15px;color:var(--text-color);font-size:18px}.result-value{font-size:42px;font-weight:900;color:var(--primary-color);text-shadow:2px 2px 0 rgba(255,133,162,.1)}.breadcrumb{margin-bottom:25px;font-size:14px;color:var(--light-text);background:#fff;display:inline-block;padding:8px 16px;border-radius:20px;border:1px solid var(--border-color)}.breadcrumb a{color:var(--primary-color)}.breadcrumb a:hover{text-decoration:underline}.share-btn{background-color:var(--primary-color);color:#fff;border:none;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;transition:all .3s;width:auto;box-shadow:0 4px 12px rgba(255,133,162,.3);display:flex;align-items:center;gap:6px}.share-btn:hover{background-color:#ff5c85;transform:translateY(-2px);box-shadow:0 6px 15px rgba(255,133,162,.4)}.share-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.4);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.share-modal{background:#fff;width:90%;max-width:320px;border-radius:24px;padding:24px;box-shadow:0 20px 40px rgba(0,0,0,.1);position:relative;border:2px solid var(--border-color);animation:slideUp .3s cubic-bezier(.175,.885,.32,1.275)}.share-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.share-modal-title{font-size:18px;font-weight:700;color:var(--primary-color)}.share-modal-close{background:none;border:none;font-size:24px;color:var(--light-text);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;box-shadow:none}.share-modal-close:hover{background:var(--bg-color);border-radius:50%;transform:none;box-shadow:none}.share-options-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.share-option{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:all .2s;padding:10px;border-radius:16px;text-decoration:none}.share-option:hover{background-color:var(--bg-color);transform:scale(1.05)}.share-icon-bg{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}.share-option-label{font-size:12px;color:var(--text-color);font-weight:500}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.scroll-top-btn{position:fixed;right:25px;bottom:25px;width:50px;height:50px;border-radius:50%;background-color:var(--white);border:2px solid var(--primary-color);color:var(--primary-color);font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:99;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 15px rgba(255,133,162,.2);animation:fadeIn .3s ease-out}.scroll-top-btn:hover{background-color:var(--primary-color);color:#fff;transform:translateY(-5px) scale(1.1);box-shadow:0 8px 20px rgba(255,133,162,.4)}.nav-bar-fixed{position:fixed;top:0;left:0;right:0;height:50px;background-color:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;border-bottom:1px solid var(--border-color);display:flex;align-items:center;box-shadow:0 2px 10px rgba(0,0,0,.05)}.nav-bar-inner{display:flex;justify-content:center;gap:30px}.nav-item{text-decoration:none;color:var(--text-color);font-weight:700;font-size:15px;transition:all .3s;padding:5px 10px;border-radius:8px}.nav-item:hover{color:var(--primary-color);background-color:var(--bg-color)}@media (max-width:768px){.tool-container{padding:25px}.tool-grid{grid-template-columns:1fr}header h1{font-size:18px}}