:root{color-scheme:light;--bg: #ffffff;--ink: #111418;--muted: #5b6470;--soft: #f5f7f8;--line: #dde3e7;--line-strong: #c7d0d6;--accent: #008b99;--accent-dark: #00606b;--accent-soft: #e6f6f7;--graphite: #20272d;--panel: #f9fbfb;--warning: #fff7df;--max: 1120px;--radius: 8px;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);scroll-behavior:smooth}body{margin:0;min-width:320px;font-size:16px;line-height:1.75;background:linear-gradient(90deg,rgba(0,139,153,.035) 1px,transparent 1px),linear-gradient(180deg,#008b990f,#008b9900 220px),var(--bg);background-size:44px 44px,auto,auto}a{color:inherit;text-decoration:none}a:hover{color:var(--accent-dark)}img,svg{display:block;max-width:100%}button,input{font:inherit}.site-shell{min-height:100vh}.container{width:min(100% - 32px,var(--max));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:#ffffffeb;backdrop-filter:blur(14px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}.brand{font-size:1.15rem;font-weight:850;letter-spacing:0}.desktop-nav{display:none;align-items:center;gap:20px;color:var(--muted);font-size:.93rem;font-weight:650}.header-actions{display:flex;align-items:center;gap:10px}.icon-button{display:inline-grid;width:40px;height:40px;place-items:center;border:1px solid transparent;border-radius:var(--radius);background:transparent;color:var(--ink);cursor:pointer}.icon-button:hover{border-color:var(--line);background:var(--soft)}.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}.mobile-menu[data-open=true]{display:block}.mobile-menu nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px 16px 18px}.mobile-menu a{border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;font-weight:700}.hero{position:relative;display:grid;align-items:center;min-height:min(640px,calc(100svh - 128px));overflow:hidden;padding:54px 0 48px;background:#111418;color:#fff}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,#111418e6,#111418ad 48%,#11141842),linear-gradient(180deg,#008b9933,#111418b3)}.hero-inner{position:relative;z-index:1;max-width:var(--max)}.hero-kicker{margin:0 0 14px;color:#8fe8ee;font-size:.96rem;font-weight:900}.hero h1{margin:0;max-width:980px;font-size:clamp(2.85rem,5vw,4.65rem);line-height:1.05;letter-spacing:0;font-weight:950;text-wrap:balance}.hero .lead{margin:20px 0 0;max-width:780px;font-size:clamp(1.28rem,2.5vw,1.9rem);line-height:1.34;font-weight:850;letter-spacing:0}.hero .sublead{margin:16px 0 0;max-width:660px;color:#ffffffd1;font-size:1.04rem;line-height:1.9}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-actions .button{margin-top:0}.button.button-secondary{border:1px solid rgba(255,255,255,.32);background:#ffffff1f;color:#fff}.button.button-secondary:hover{border-color:#ffffff94;background:#fff3}.hero-question-list{display:grid;grid-template-columns:1fr;gap:10px;margin-top:22px;max-width:var(--max)}.hero-question-list a{border:1px solid rgba(255,255,255,.24);border-radius:var(--radius);background:#ffffff1a;color:#fff;padding:11px 13px;font-weight:760;backdrop-filter:blur(10px)}.hero-question-list a:hover{border-color:#8fe8eeb8;background:#008b9947;color:#fff}.hero-grid{display:grid;gap:26px}.hero-copy h1{margin:0;font-size:clamp(3.15rem,15vw,5.4rem);line-height:.98;letter-spacing:0;font-weight:950}.hero-copy .lead{margin:18px 0 0;font-size:clamp(1.35rem,6vw,2.2rem);line-height:1.28;font-weight:850;letter-spacing:0}.hero-copy .sublead{margin:16px 0 0;max-width:680px;color:var(--muted);font-size:1.04rem;line-height:1.9}.search-box{display:flex;align-items:center;gap:12px;margin-top:22px;border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;padding:14px 16px;color:var(--muted);box-shadow:0 10px 28px #1114180d}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.chip{display:inline-flex;align-items:center;gap:8px;min-height:42px;border:1px solid var(--line-strong);border-radius:var(--radius);padding:8px 13px;background:#fff;color:var(--graphite);font-weight:760}.chip svg{color:var(--accent)}.focus-card{display:grid;gap:18px;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius);background:linear-gradient(135deg,#fff,#f8fcfc 58%,#effafb);padding:18px;box-shadow:0 18px 44px #11141812}.focus-image{margin:0}.focus-image img{width:100%;aspect-ratio:16 / 9;object-fit:cover;border:1px solid rgba(0,139,153,.18);border-radius:var(--radius);background:var(--soft)}.focus-image figcaption{margin-top:8px;color:var(--muted);font-size:.86rem;line-height:1.55}.focus-text .section-label{color:var(--accent-dark)}.focus-card h2,.focus-card h3{margin:8px 0 0;font-size:clamp(1.75rem,8vw,2.85rem);line-height:1.18;letter-spacing:0}.focus-card p{margin:12px 0 0;color:var(--muted);font-size:1.02rem}.button{display:inline-flex;align-items:center;gap:8px;margin-top:18px;border:0;border-radius:var(--radius);background:var(--accent);color:#fff;padding:12px 15px;font-weight:800}.button:hover{background:var(--accent-dark);color:#fff}.tech-visual{min-height:260px;border-radius:var(--radius);border:1px solid rgba(0,139,153,.18);background:linear-gradient(90deg,rgba(0,139,153,.1) 1px,transparent 1px),linear-gradient(0deg,rgba(0,139,153,.08) 1px,transparent 1px),#fff;background-size:34px 34px;position:relative;overflow:hidden}.device{position:absolute;border:2px solid #20272d;background:#fbffff;box-shadow:0 18px 30px #11141821}.device.laptop{left:28px;bottom:52px;width:112px;height:72px;border-radius:8px}.device.laptop:after{content:"";position:absolute;left:-16px;right:-16px;bottom:-16px;height:12px;border-radius:2px 2px 8px 8px;background:#20272d}.device.tower{left:47%;bottom:28px;width:84px;height:152px;border-radius:8px;background:linear-gradient(90deg,#14191f,#2b333b)}.device.cube{right:28px;bottom:42px;width:92px;height:92px;border-radius:8px;background:linear-gradient(145deg,#232c34,#11171c)}.node{position:absolute;display:grid;place-items:center;width:54px;height:54px;border-radius:var(--radius);background:var(--graphite);color:#fff;box-shadow:0 12px 25px #00606b38}.node.brain{top:56px;left:50%;transform:translate(-50%)}.node.data{top:32px;right:36px}.node:before,.node:after{content:"";position:absolute;background:#008b9947}.node.brain:before{width:165px;height:2px;left:-116px;top:28px}.node.brain:after{width:2px;height:110px;left:27px;top:54px}.section{padding:34px 0}.section-muted{background:var(--soft);border-block:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-label{margin:0;font-size:.9rem;color:var(--accent);font-weight:850}.section h2{margin:0;font-size:clamp(1.65rem,7vw,2.45rem);line-height:1.25;letter-spacing:0}.section-intro{margin:8px 0 0;max-width:680px;color:var(--muted)}.section-link{display:inline-flex;align-items:center;margin-top:16px;color:var(--accent-dark);font-weight:850}.section-link:after{content:"→";margin-left:8px;color:var(--accent)}.grid{display:grid;gap:14px}.entry-grid,.entry-grid-4{grid-template-columns:1fr}.card{position:relative;border:1px solid var(--line);border-top:3px solid rgba(0,139,153,.5);border-radius:var(--radius);background:#fff;padding:18px;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.card:hover,.article-card:hover,.compare-item:hover,.term-chip:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 14px 30px #1114180f}.entry-number{display:inline-block;margin-bottom:10px;color:var(--accent-dark);font-size:.84rem;font-weight:900;letter-spacing:.04em}.card h3{margin:0;font-size:1.28rem;line-height:1.35}.card p{margin:10px 0 0;color:var(--muted)}.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:var(--accent-dark);font-weight:800}.guide-list{display:grid;gap:10px}.guide-row{position:relative;display:grid;gap:4px;border-top:1px solid var(--line);padding:14px 28px 14px 0}.guide-row:after{content:"→";position:absolute;right:0;top:16px;color:var(--accent);font-weight:900}.guide-row:first-child{border-top:0}.guide-row strong{font-size:1.07rem}.guide-row span{color:var(--muted)}.article-list{display:grid;gap:14px}.article-card{display:grid;gap:12px;border:1px solid var(--line);border-top:3px solid rgba(0,139,153,.45);border-radius:var(--radius);background:#fff;padding:14px}.article-card .meta,.content-meta,.tag-row{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.88rem}.tag{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);padding:4px 8px;background:var(--accent-soft);color:var(--accent-dark);font-weight:800}.article-card h3{margin:0;font-size:1.22rem;line-height:1.35}.article-card p{margin:0;color:var(--muted)}.compare-list,.term-grid{display:grid;gap:10px}.compare-item,.term-chip{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:14px}.term-chip{justify-content:flex-start;font-weight:800}.source-policy{border-left:4px solid var(--accent);border-radius:var(--radius);background:#fff;padding:18px}.directory-hero{padding:46px 0 32px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#008b990f,#008b9900),var(--bg)}.directory-hero h1{margin:10px 0 0;max-width:860px;font-size:clamp(2.1rem,7vw,4rem);line-height:1.12;letter-spacing:0}.directory-grid{display:grid;grid-template-columns:1fr;gap:14px}.directory-card{display:grid;gap:12px;border:1px solid var(--line);border-top:3px solid rgba(0,139,153,.48);border-radius:var(--radius);background:#fff;padding:18px}.directory-card h2{margin:0;font-size:1.35rem;line-height:1.35;letter-spacing:0}.directory-card p{margin:0;color:var(--muted)}.directory-card .chip-list{margin-top:0}.directory-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--muted);font-size:.88rem}.site-footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted)}.footer-grid{display:grid;gap:20px}.footer-links{display:flex;flex-wrap:wrap;gap:12px 18px;font-weight:700}.content-hero{padding:34px 0 24px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#008b990b,#008b9900)}.content-layout{display:grid;gap:28px}.content-main{min-width:0}.breadcrumb{color:var(--muted);font-size:.92rem}.content-hero h1{margin:12px 0 0;font-size:clamp(2.15rem,9vw,4rem);line-height:1.12;letter-spacing:0}.direct-answer,.takeaways,.info-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:18px;box-shadow:0 10px 26px #1114180a}.direct-answer{margin-top:18px;border-left:4px solid var(--accent)}.takeaways ul,.info-panel ul,.content-body ul,.content-body ol{margin:10px 0 0;padding-left:1.2rem}.content-body{margin-top:26px}.content-body :where(h2,h3){line-height:1.3;letter-spacing:0}.content-body h2{margin:34px 0 10px;font-size:clamp(1.45rem,6vw,2rem)}.content-body h3{margin:24px 0 8px;font-size:1.2rem}.content-body p{margin:0 0 16px;color:#263038}.content-body a{color:var(--accent-dark);font-weight:750;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.content-body table{width:100%;border-collapse:collapse;font-size:.95rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.table-wrap+.table-note{margin-top:8px}th,td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:var(--soft)}.sidebar{display:grid;gap:14px;align-content:start}.sidebar .card{padding:16px}.sidebar h2,.sidebar h3{margin:0 0 10px;font-size:1rem}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:16px}.faq-item h3{margin:0}.source-list{display:grid;gap:8px;padding-left:1.1rem}@media(min-width:720px){.entry-grid{grid-template-columns:repeat(3,1fr)}.entry-grid-4{grid-template-columns:repeat(2,1fr)}.hero-question-list{grid-template-columns:repeat(2,minmax(0,1fr))}.article-card{grid-template-columns:1fr}.compare-list{grid-template-columns:repeat(2,1fr)}.term-grid{grid-template-columns:repeat(3,1fr)}.directory-grid,.directory-grid-compact{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:980px){.desktop-nav{display:flex}.menu-toggle{display:none}.hero{padding:76px 0 64px}.hero h1{white-space:nowrap}.hero-question-list{grid-template-columns:repeat(4,minmax(0,1fr));max-width:var(--max)}.hero-grid{grid-template-columns:1fr .95fr;align-items:center}.entry-grid-4{grid-template-columns:repeat(4,1fr)}.focus-card{min-height:520px;align-content:space-between}.section{padding:54px 0}.grid-2{grid-template-columns:1.05fr .95fr;align-items:start}.article-list{grid-template-columns:repeat(3,1fr)}.content-layout{grid-template-columns:minmax(0,760px) 300px;align-items:start}.sidebar{position:sticky;top:88px}.footer-grid{grid-template-columns:1fr auto}.directory-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.directory-grid-compact{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.container{width:min(100% - 24px,var(--max))}.hero-copy h1{font-size:clamp(2.85rem,14vw,3.5rem)}.hero h1{font-size:clamp(2.35rem,11vw,3.05rem)}.hero-copy .lead{font-size:1.28rem}.hero .lead{font-size:1.25rem}.hero .sublead{line-height:1.75}.hero{min-height:auto;padding:38px 0 30px}.hero-actions .button{justify-content:center;width:100%}.hero-question-list{grid-template-columns:1fr}.hero-question-list a:nth-child(n+3){display:none}.chip{flex:1 1 calc(50% - 10px);justify-content:center}.focus-card h2,.focus-card h3{font-size:1.72rem}.content-body table{font-size:.86rem}th,td{padding:9px 7px;word-break:break-word}}