:root{color-scheme:light;--bg: #f6f6f8;--surface: #ffffff;--text: #17171c;--text-soft: #65656f;--muted: #65656f;--faint: #9a9aa6;--border: #ececf1;--line: #ececf1;--line-soft: #f4f4f7;--brand: #f15b41;--brand-dark: #d6452c;--accent: #fdeeea;--accent-tint: color-mix(in srgb, #f15b41 13%, transparent);--radius: 12px;--radius-card: 18px;--max-w: 880px;--content-w: 1180px;--shadow: 0 1px 2px rgba(20, 20, 28, .04), 0 16px 34px rgba(20, 20, 28, .09);--font: "Manrope", "Noto Sans TC", system-ui, -apple-system, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;--font-serif: "Sora", "Noto Sans TC", system-ui, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, monospace}:root[data-theme=dark]{color-scheme:dark;--bg: #111114;--surface: #1a1a20;--text: #ececef;--text-soft: #9a9aa6;--muted: #9a9aa6;--faint: #63636e;--border: #2a2a32;--line: #2a2a32;--line-soft: #202027;--brand: #ff6b52;--brand-dark: #ff8570;--accent: #241a17;--accent-tint: color-mix(in srgb, #ff6b52 15%, transparent);--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 34px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;transition:background .35s ease,color .35s ease;-webkit-font-smoothing:antialiased}a{color:var(--brand-dark);text-decoration:none}a:hover{color:var(--brand);text-decoration:underline}::selection{background:color-mix(in srgb,var(--brand) 26%,transparent)}@keyframes riseIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.rise{opacity:0;animation:riseIn .6s cubic-bezier(.2,.7,.2,1) forwards}@media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1}html{scroll-behavior:auto}}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1rem}.container.wide{max-width:var(--content-w);padding:0 40px}@media(max-width:640px){.container.wide{padding:0 20px}}main{min-height:60vh;padding:2rem 0 3rem}h1{font-family:var(--font-serif);font-weight:700;font-size:2rem;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5rem}h2{font-family:var(--font-serif);font-weight:600;font-size:1.4rem;letter-spacing:-.01em;margin:2rem 0 .75rem}.lead{color:var(--text-soft);font-size:1.05rem;line-height:1.65;margin-top:0}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{max-width:var(--content-w);margin:0 auto;padding:14px 40px;display:flex;align-items:center;justify-content:space-between;gap:1rem}@media(max-width:640px){.header-inner{padding:12px 18px}}.brand{display:flex;align-items:center;gap:11px;color:var(--text)}.brand:hover{text-decoration:none}.brand-mark{width:34px;height:34px;flex:none;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:17px}.brand-name{font-family:var(--font-serif);font-weight:700;font-size:19px;letter-spacing:-.01em}.brand-tag{font-family:var(--font);font-size:10px;font-weight:700;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}.header-nav{display:flex;align-items:center;gap:22px;margin-left:auto;margin-right:22px;font-size:13.5px;font-weight:600;color:var(--muted)}.header-nav a{color:inherit;transition:color .2s}.header-nav a:hover{color:var(--brand);text-decoration:none}@media(max-width:760px){.header-nav{display:none}}.header-actions{display:flex;align-items:center;gap:8px}.lang-switcher{position:relative;display:inline-flex}.lang-pill,.menu-btn{font:inherit;cursor:pointer;height:42px;padding:0 14px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:var(--muted);display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;transition:color .2s,border-color .2s}.lang-pill:hover,.menu-btn:hover{color:var(--text);border-color:var(--brand)}.theme-btn{font:inherit;cursor:pointer;width:42px;height:42px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:var(--muted);display:inline-flex;align-items:center;justify-content:center;line-height:1;transition:color .2s,border-color .2s}.theme-btn:hover{color:var(--text);border-color:var(--brand)}.theme-icon-dark{display:none}:root[data-theme=dark] .theme-icon-light{display:none}:root[data-theme=dark] .theme-icon-dark{display:inline}@media(max-width:400px){.menu-btn-label{display:none}.menu-btn{width:42px;padding:0;justify-content:center}}.lang-menu{position:absolute;top:calc(100% + .4rem);right:0;z-index:210;min-width:9rem;display:flex;flex-direction:column;padding:.35rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.lang-menu[hidden]{display:none}.lang-option{padding:.5rem .75rem;border-radius:8px;color:var(--text);font-size:.92rem;white-space:nowrap}.lang-option:hover{text-decoration:none;background:var(--line-soft);color:var(--text)}.lang-option.is-active{background:var(--accent);color:var(--brand-dark);font-weight:600}.menu-overlay{position:fixed;inset:0;z-index:200;background:color-mix(in srgb,var(--text) 45%,transparent);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);display:flex;align-items:flex-start;justify-content:center;padding:4rem 1rem 2rem;overflow-y:auto}.menu-overlay[hidden]{display:none}.menu-modal{width:100%;max-width:960px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden}.menu-modal-head{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.5rem;border-bottom:1px solid var(--border)}.menu-modal-title{font-family:var(--font-serif);font-weight:600;font-size:1.4rem;color:var(--text)}.menu-close{font:inherit;cursor:pointer;border:none;background:transparent;color:var(--text-soft);font-size:1.2rem;line-height:1;padding:.3rem .5rem;border-radius:8px}.menu-close:hover{color:var(--text);background:var(--line-soft)}.menu-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;padding:1.5rem}@media(max-width:760px){.menu-groups{grid-template-columns:1fr;gap:1.25rem}}.menu-group-title{margin:0 0 .7rem;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}.menu-item{display:flex;align-items:center;gap:.7rem;padding:.6rem .75rem;margin-bottom:.5rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);transition:border-color .2s,background .2s}.menu-item:last-child{margin-bottom:0}.menu-item:hover{text-decoration:none;border-color:color-mix(in srgb,var(--brand) 45%,var(--line))}.menu-item.is-active{border-color:var(--brand);background:var(--accent);color:var(--brand-dark);font-weight:600}.menu-item-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:10px;background:var(--accent-tint);color:var(--brand)}.menu-item.is-active .menu-item-icon{background:var(--surface)}.menu-item-label{font-size:.95rem}.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:2.75rem 0 1.5rem;color:var(--text-soft);font-size:.9rem}.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.75rem 1.5rem}@media(max-width:520px){.footer-cols{grid-template-columns:repeat(2,1fr)}}.footer-col-title{margin:0 0 .9rem;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);border:none;padding:0}.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.65rem}.footer-col a{color:var(--text)}.footer-col a:hover{color:var(--brand);text-decoration:none}.footer-link-btn{font:inherit;background:none;border:none;padding:0;cursor:pointer;color:var(--text);text-align:left}.footer-link-btn:hover{color:var(--brand)}.footer-bottom{margin-top:2.25rem;padding-top:1.25rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.footer-brand{font-family:var(--font-serif);font-weight:600;font-size:15px;color:var(--text)}.footer-copyright{font-size:12px;color:var(--faint)}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:1.5rem}.tool-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;color:inherit;transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s ease,border-color .28s ease}.tool-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--cc, var(--brand)) 40%,var(--line))}.tool-card.is-soon{opacity:.6;cursor:not-allowed}.tool-card.is-soon:hover{transform:none;box-shadow:none;border-color:var(--line)}.tc-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}.tool-card .tool-icon{width:44px;height:44px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--cc, var(--brand));background:color-mix(in srgb,var(--cc, var(--brand)) 13%,transparent)}.tc-star{width:32px;height:32px;flex:none;border:none;border-radius:9px;background:transparent;color:var(--faint);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .2s,background .2s}.tc-star:hover{color:var(--brand);background:var(--line-soft)}.tc-star.is-faved{color:var(--brand)}.tc-star .star-filled,.tc-star.is-faved .star-outline{display:none}.tc-star.is-faved .star-filled{display:inline}.tool-card h3{font-family:var(--font-serif);font-size:16px;font-weight:600;letter-spacing:-.01em;margin:0 0 8px;color:var(--text)}.tool-card p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0 0 18px}.tc-open{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-size:13px;font-weight:600;color:var(--muted);transition:color .2s}.tool-card:hover .tc-open{color:var(--brand-dark)}.tc-open .arr{transition:transform .25s ease}.tool-card:hover .tc-open .arr{transform:translate(3px)}.badge{display:inline-block;font-size:.7rem;padding:.1rem .5rem;border-radius:999px;background:var(--accent);color:var(--brand-dark);margin-left:.4rem;vertical-align:middle}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:1.5rem;box-shadow:var(--shadow)}.field{display:flex;flex-direction:column;gap:.4rem;max-width:320px}label{font-weight:600}input[type=date]{font:inherit;padding:.6rem .75rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text)}input[type=date]:focus{outline:2px solid var(--brand);outline-offset:1px}.error{color:#dc2626;font-size:.9rem;min-height:1.2em}.results{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem;margin-top:1.25rem}.result-item{background:var(--accent);border-radius:var(--radius);padding:.9rem 1rem}.result-item .k{font-size:.8rem;color:var(--text-soft);margin:0}.result-item .v{font-size:1.25rem;font-weight:700;margin:.2rem 0 0}.result-highlight{grid-column:1 / -1;text-align:center;background:var(--brand);color:#fff}.result-highlight .k{color:#ffffffd9}.note{color:var(--text-soft);font-size:.85rem;margin-top:1rem}.ad-slot{margin:1.5rem 0;min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-soft);font-size:.8rem}.cookie-banner{position:fixed;inset:auto 0 0;z-index:100;background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -2px 12px #00000014;padding:1rem}.cookie-banner[hidden]{display:none}.cookie-banner .container{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:space-between}.cookie-banner p{margin:0;font-size:.9rem;color:var(--text-soft);flex:1 1 320px}.btn{font:inherit;cursor:pointer;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:.5rem 1.1rem;border-radius:var(--radius);font-weight:600}.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark)}.btn.btn-ghost{background:transparent;color:var(--brand-dark)}.prose p,.prose li{color:var(--text)}.prose h2{border-bottom:1px solid var(--border);padding-bottom:.3rem}.center{text-align:center}