:root{--primary-rgb:111 156 149;--primary-deep-rgb:79 114 109;--primary-soft:#7ea8a1;--primary-soft-rgb:126 168 161;--accent-rgb:217 190 143;--accent-soft:#d8c090;--accent-soft-rgb:216 192 144;--paper-rgb:255 252 246;--white:#fff;--white-rgb:255 255 255;--shade-rgb:0 0 0;--shadow-rgb:98 115 109;--ink:#24322f;--ink-rgb:36 50 47;--text-rgb:45 58 54;--bg-rgb:248 245 239;--bg-soft-rgb:255 253 248;--danger:#b4574f;--danger-rgb:180 87 79;--danger-deep:#8f3f3a;--danger-deep-rgb:143 63 58;--success:#5d8f7e;--success-rgb:93 143 126;--olive:#8a9a6a;--olive-rgb:138 154 106;--font-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Hiragino Sans TC","Heiti TC",system-ui,sans-serif;--font-serif:"Noto Serif TC","Songti TC","Hiragino Mincho ProN","Source Han Serif TC",serif;--bg:#f8f5ef;--bg-soft:#fffdf8;--paper:rgba(255,252,246,0.92);--text:#2d3a36;--muted:#65746d;--primary:#6f9c95;--primary-deep:#4f726d;--accent:#d9be8f;--line:rgba(111,156,149,0.22);--shadow:0 20px 60px rgba(98,115,109,0.12);--radius-lg:28px;--radius-md:18px;--radius-sm:12px;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{margin:0;font-family:var(--font-sans);color:var(--text);line-height:1.7;background:radial-gradient(circle at top left,rgba(220,235,229,0.95),transparent 32%),radial-gradient(circle at right center,rgba(240,225,196,0.45),transparent 24%),linear-gradient(180deg,#fcfbf8 0%,#f6f2ea 100%);background-attachment:fixed}.vhct-header{position:sticky;top:0;z-index:50;background:rgba(252,251,248,0.85);border-bottom:1px solid rgb(var(--primary-rgb) / 0.14);backdrop-filter:blur(12px)}.vhct-nav{width:min(calc(100% - 32px),var(--container));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}.vhct-brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}.vhct-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));color:var(--white);font-family:var(--font-serif);font-size:1.2rem;box-shadow:0 10px 24px rgb(var(--primary-rgb) / 0.26)}.vhct-brand-text{display:flex;flex-direction:column;line-height:1.25}.vhct-brand-text strong{font-family:var(--font-serif);font-size:1.02rem}.vhct-brand-text small{color:var(--muted);font-size:0.8rem}.vhct-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.vhct-links a{text-decoration:none;color:var(--text);font-size:0.92rem;padding:8px 14px;border-radius:999px;transition:0.2s ease}.vhct-links a:hover{background:rgb(var(--primary-rgb) / 0.12)}.vhct-links a.vhct-home{background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:var(--white);font-weight:700;box-shadow:0 10px 24px rgb(var(--primary-deep-rgb) / 0.22)}.vhct-links a.vhct-home:hover{transform:translateY(-1px)}.vhct-shell{padding:40px 16px 64px}.vhct-main{width:min(100%,880px);margin:0 auto;background:var(--paper);border:1px solid rgb(var(--white-rgb) / 0.7);border-radius:var(--radius-lg);box-shadow:var(--shadow);backdrop-filter:blur(10px);padding:44px clamp(20px,5vw,56px)}.vhct-main h1{font-family:var(--font-serif);font-size:clamp(0.9rem,4.5vw,2.1rem);color:var(--ink);text-align:center;line-height:1.35;margin:0 0 6px;white-space:nowrap}@media (max-width:340px){.vhct-main h1{font-size:4.2vw}}.vhct-main>table[width="80%"]{display:flex;flex-direction:column;align-items:stretch;gap:2px;width:100%;max-width:none;background:none;margin:0 auto 8px}.vhct-main>table[width="80%"] tbody,.vhct-main>table[width="80%"] tr{display:contents}.vhct-main>table[width="80%"] td{border:none;background:none;padding:2px 8px}.vhct-main>table[width="80%"] td:empty{display:none}.vhct-main>table[width="80%"] td:first-child{flex:1 1 auto;min-width:0}.vhct-main>table[width="80%"] td[width="34%"]{flex:0 0 auto;color:var(--muted);font-size:0.82rem;text-align:right;vertical-align:bottom;white-space:nowrap}.vhct-main>p,.vhct-main>div>p{color:var(--primary-deep);font-weight:600;margin:26px 0 10px}.vhct-main table{border-collapse:collapse;margin:0 auto 8px;background:rgb(var(--white-rgb) / 0.7);border-radius:var(--radius-sm);overflow:hidden;width:100%;max-width:640px}.vhct-main table[border] td,.vhct-main table[border] th{border:1px solid var(--line)}@media (max-width:820px){.vhct-main table[border]{display:block;width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}.vhct-main table[border]>tbody{display:table;width:max-content;min-width:100%}}.vhct-main p,.vhct-main li,.vhct-main td,.vhct-main th{overflow-wrap:break-word}.vhct-main a{overflow-wrap:anywhere}.vhct-main td,.vhct-main th{padding:10px 14px;font-size:0.95rem;vertical-align:middle}.vhct-main th,.vhct-main td[bgcolor]{background:linear-gradient(135deg,var(--primary),var(--primary-deep))!important;color:var(--white)!important;font-weight:600}.vhct-main tr[bgcolor] td{background:linear-gradient(135deg,var(--primary),var(--primary-deep))!important;color:var(--white)!important;border-color:rgb(var(--white-rgb) / 0.25)}.vhct-main input[type="text"],.vhct-main input:not([type]),.vhct-main input[type="number"],.vhct-main select{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);color:var(--text);transition:0.2s ease;max-width:100%}.vhct-main input:focus,.vhct-main select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgb(var(--primary-rgb) / 0.18)}.vhct-main input[type="radio"],.vhct-main input[type="checkbox"]{accent-color:var(--primary);transform:scale(1.15);margin:0 4px}.vhct-main label{cursor:pointer}.vhct-main input[type="submit"],.vhct-main input[type="button"],.vhct-main button{font:inherit;font-weight:700;cursor:pointer;border:none;color:var(--white);padding:12px 30px;margin:6px 0;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));box-shadow:0 14px 30px rgb(var(--primary-deep-rgb) / 0.22);transition:0.25s ease}.vhct-main input[type="submit"]:hover,.vhct-main input[type="button"]:hover,.vhct-main button:hover{transform:translateY(-2px)}.vhct-main textarea{font-family:"Menlo","Consolas","Courier New",monospace;font-size:0.9rem;line-height:1.5;width:100%;max-width:640px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--bg-soft);color:var(--text);box-shadow:inset 0 2px 6px rgb(var(--shadow-rgb) / 0.06);resize:vertical}.vhct-main textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgb(var(--primary-rgb) / 0.18)}.vhct-main a{color:var(--primary-deep)}.vhct-ref,.vhct-main>p:last-of-type{font-size:0.82rem;color:var(--muted);line-height:1.6}.vhct-footer{text-align:center;color:var(--muted);font-size:0.9rem;padding:28px 16px 44px}.vhct-footer p{margin:4px 0}.vhct-hero{text-align:center;max-width:720px;margin:0 auto 36px}.vhct-hero .eyebrow{color:var(--primary-deep);letter-spacing:0.16em;text-transform:uppercase;font-size:0.85rem;margin:0 0 10px}.vhct-hero h1{font-family:var(--font-serif);font-size:clamp(1.7rem,4vw,2.6rem);color:var(--ink);margin:0 0 14px}.vhct-hero p{color:var(--muted);margin:0}.vhct-cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;width:min(calc(100% - 32px),1080px);margin:0 auto}.vhct-cat{background:rgb(var(--paper-rgb) / 0.9);border:1px solid rgb(var(--primary-rgb) / 0.14);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:26px 24px}.vhct-cat h2{font-family:var(--font-serif);font-size:1.15rem;color:var(--primary-deep);margin:0 0 16px;display:flex;align-items:center;gap:10px}.vhct-cat h2 .ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,rgb(var(--primary-rgb) / 0.18),rgb(var(--accent-rgb) / 0.28));font-size:0.95rem}.vhct-cat ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.vhct-cat li a{display:block;text-decoration:none;color:var(--text);padding:11px 14px;border-radius:var(--radius-sm);background:rgb(var(--white-rgb) / 0.7);border:1px solid rgb(var(--primary-rgb) / 0.1);transition:0.2s ease}.vhct-cat li a:hover{background:linear-gradient(135deg,rgb(var(--primary-rgb) / 0.14),rgb(var(--accent-rgb) / 0.18));transform:translateX(3px);border-color:var(--primary)}.vhct-cat li a .en{color:var(--muted);font-size:0.82rem}.vhct-main .container,.vhct-main .content{width:auto!important;max-width:none!important;background:transparent!important;margin:0!important;padding:0!important;color:var(--text)!important}.vhct-main img{max-width:100%;height:auto;border-radius:var(--radius-sm);margin:6px 0}.vhct-main h2,.vhct-main h3,.vhct-main h4{font-family:var(--font-serif);color:var(--primary-deep);line-height:1.35}.vhct-main h2{font-size:1.25rem;margin:26px 0 12px}.vhct-main h3{font-size:1.08rem;margin:22px 0 10px}.vhct-main ul,.vhct-main ol{padding-left:22px;margin:10px 0}.vhct-main li{margin:4px 0}.vhct-main a:link,.vhct-main a:visited{color:var(--primary-deep);text-decoration:none}.vhct-main a:hover{text-decoration:underline}.vhct-main .fltrt{float:right;margin-left:12px}.vhct-main .fltlft{float:left;margin-right:12px}.vhct-main .clearfloat{clear:both;height:0;font-size:1px;line-height:0}@media (max-width:640px){.vhct-main{padding:28px 18px}.vhct-brand-text small{display:none}.vhct-main table{font-size:0.88rem}}.vhct-links a[aria-current="page"]{background:rgb(var(--primary-rgb) / 0.16);font-weight:700}html.vhct-locked body>*:not(.lock-mask){visibility:hidden!important}html.vhct-locked,html.vhct-locked body{overflow:hidden}.lock-mask{position:fixed;inset:0;z-index:900;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(38,48,45,0.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.lock-mask[hidden]{display:none!important}.lock-box{width:100%;max-width:460px;max-height:92vh;overflow-y:auto;background:var(--bg-soft);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:0 24px 60px rgb(var(--shade-rgb) / 0.25);padding:30px 30px 24px;text-align:center}.lock-box .lock-ico{font-size:2.1rem;line-height:1;margin-bottom:12px}.lock-box h3{font-family:var(--font-serif);font-size:1.22rem;color:var(--text);margin:0 0 10px;line-height:1.45}.lock-box>p{margin:0 0 18px;font-size:0.9rem;color:var(--muted);line-height:1.8;text-align:left}.lock-form{text-align:left}.lock-form label{display:block;font-size:0.84rem;font-weight:700;color:var(--text);margin-bottom:7px}.lock-form input{width:100%;box-sizing:border-box;padding:13px 16px;border-radius:var(--radius-md);border:1.5px solid var(--line);background:var(--white);font-size:1.28rem;font-weight:700;letter-spacing:0.32em;text-align:center;color:var(--text);font-family:inherit;transition:0.18s ease}.lock-form input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgb(var(--primary-rgb) / 0.2)}.lock-form input.is-bad{border-color:var(--danger);box-shadow:0 0 0 3px rgb(var(--danger-rgb) / 0.16)}.lock-err{margin:9px 0 0;font-size:0.85rem;color:var(--danger-deep);font-weight:600;line-height:1.6}.lock-err[hidden]{display:none!important}.lock-act{display:flex;gap:10px;margin-top:18px}.lock-act button,.lock-act a{flex:1 1 0;padding:12px 14px;border-radius:999px;font-size:0.92rem;font-weight:700;cursor:pointer;font-family:inherit;text-align:center;text-decoration:none;transition:0.18s ease}.lock-go{border:0;background:var(--primary-deep);color:var(--white)}.lock-go:hover{background:var(--primary)}.lock-cancel{display:flex;align-items:center;justify-content:center;border:1.5px solid var(--line);background:transparent;color:var(--muted)}.lock-cancel:hover{border-color:var(--primary);color:var(--primary-deep)}.lock-note a{color:var(--primary-deep);font-weight:700;text-decoration:underline;text-underline-offset:2px}.lock-note{margin:16px 0 0;font-size:0.78rem;color:var(--muted);line-height:1.7;text-align:left;padding-top:14px;border-top:1px solid var(--line)}@media (max-width:480px){.lock-box{padding:24px 20px 20px}.lock-box h3{font-size:1.1rem}.lock-act{flex-direction:column-reverse}}.vhct-gate-hint{margin:14px auto 0;max-width:640px;padding:10px 18px;border-radius:999px;background:rgb(var(--primary-rgb) / 0.12);border:1px solid var(--line);font-size:0.86rem;color:var(--primary-deep);line-height:1.7}.vhct-gate-hint a{color:var(--primary-deep);font-weight:700;text-decoration:underline;text-underline-offset:2px}.vhct-mark .mark-glyph{width:68%;height:68%;display:block}