/* Blog styles. Header, footer, buttons and colours follow the homepage design system; the article column stays a calm reading layout. */
:root{--ink:#0d1b2a;--text:#28324a;--muted:#5d6678;--line:#e3e8f1;--soft:#f5f7fb;--paper:#fff;--blue:#2446a8;--blue-soft:#e9eefb;--navy:#0d1b2a;--line-green:#06c755;--wa-green:#25d366;--font:'Manrope','Noto Sans TC',system-ui,sans-serif;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none;text-underline-offset:3px}img,svg{display:block}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
.wrap{width:min(1200px,100% - 40px);margin-inline:auto}
/* Shared header */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:10px;font-weight:700;font-size:15px;transition:transform .25s var(--ease),background .25s;white-space:nowrap}.btn svg{width:22px;height:22px;flex-shrink:0}.btn:hover{transform:translateY(-2px)}.btn-line{background:var(--line-green);color:#fff;box-shadow:0 8px 22px #06c75540}.btn-wa{background:#fff;color:#128c4b;border:1.5px solid #bfe9cf}.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.header{position:sticky;top:0;z-index:100;background:#ffffffe6;backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}.header.scrolled{border-color:var(--line);box-shadow:0 6px 24px #0d1b2a0d}.header-in{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.03em;color:var(--ink)}.header .brand{margin-right:auto}.brand img{width:30px;height:30px}.brand small{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--blue)}
.header .nav{display:flex;gap:26px;font-size:15px;font-weight:600}.header .nav a:hover{color:var(--blue)}.lang{display:flex;gap:6px;font-size:13px;font-weight:700;color:var(--muted)}.lang a{padding:4px 6px;border-radius:6px}.lang a[aria-current]{color:var(--ink);background:var(--soft)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);place-items:center}.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink)}
dialog{border:0;padding:0;color:var(--text);background:#fff}dialog::backdrop{background:#0d1b2a80}.menu-dialog{width:100%;max-width:none;height:100dvh;max-height:none;margin:0;padding:24px 24px 32px}.dialog-close{position:absolute;right:18px;top:16px;width:40px;height:40px;font-size:24px}.menu-dialog nav{display:grid;margin-top:32px}.menu-dialog nav a{font-size:22px;font-weight:800;color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line)}.menu-actions{display:grid;gap:12px;margin-top:28px}.menu-actions .btn{width:100%}
/* Blog index */
.head{padding:72px 0 48px}.head .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--blue)}.head .eyebrow:before{content:'';width:22px;height:2px;background:currentColor}.head h1{font-size:clamp(36px,5vw,60px);font-weight:900;line-height:1.2;letter-spacing:-.03em;color:var(--ink);margin:14px 0 0}.head p{color:var(--muted);font-size:17px;margin-top:16px;max-width:620px}
.list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;padding-bottom:110px}.post{display:flex;flex-direction:column;padding:30px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:transform .4s var(--ease),box-shadow .4s}.post:hover{transform:translateY(-6px);box-shadow:0 22px 44px #0d1b2a12}.post .tag{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--blue)}.post h2{margin:10px 0 0;color:var(--ink);font-size:21px;font-weight:800;line-height:1.5}.post p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:8px 0 0;flex:1}.post .more{margin-top:18px;color:var(--blue);font-size:14px;font-weight:700}
/* Article */
.container{max-width:760px;margin:0 auto;padding:0 32px}.crumb{padding-top:44px;color:var(--muted);font-size:13px}.crumb a{color:var(--muted)}.crumb a:hover{color:var(--blue)}
.container>h1{font-size:clamp(32px,4vw,48px);font-weight:900;line-height:1.3;letter-spacing:-.02em;color:var(--ink);margin:18px 0 20px}.byline{color:var(--muted);font-size:13.5px;margin-bottom:40px;padding-bottom:26px;border-bottom:1px solid var(--line)}.byline a{color:inherit;border-bottom:1px solid currentColor}.byline a:hover{color:var(--blue)}
article{font-size:17px;line-height:1.95;color:#303846}article p{margin:0 0 26px}.lead{font-size:20px;line-height:1.8;color:var(--ink)}article strong{font-weight:700;color:var(--ink)}article h2{font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.45;letter-spacing:-.02em;margin:52px 0 16px;color:var(--ink)}article h2 .n{color:var(--blue);margin-right:8px}article ol,article ul{padding-left:24px;margin:0 0 30px}article li{margin-bottom:10px}article blockquote{margin:40px 0;padding:4px 0 4px 22px;border-left:3px solid var(--blue);font-size:19px;line-height:1.75;color:var(--ink);font-weight:600}.note{padding:18px 20px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:14px}
.cta{background:linear-gradient(135deg,#2446a8,#1f4e8c 60%,#0d1b2a);color:#fff;border-radius:24px;padding:34px;margin:45px 0 32px}.cta h3{font-size:24px;font-weight:900;margin:0 0 8px;color:#fff}.cta p{font-size:15px;line-height:1.8;color:#c8d3ee;margin:0 0 22px}.cta a{display:inline-flex;align-items:center;min-height:48px;background:#fff;color:var(--ink);font-weight:700;padding:0 22px;border-radius:10px;font-size:15px;transition:transform .25s var(--ease)}.cta a:hover{transform:translateY(-2px)}
.end-rule{height:1px;background:var(--line);margin:56px 0 24px}.back{display:inline-block;margin:0 0 78px;color:var(--muted);font-size:14px}.back:hover{color:var(--blue)}
.further{border-top:1px solid var(--line);padding-top:22px;margin:36px 0 0}.further h3{font-size:14px;font-weight:800;color:var(--ink);margin:0 0 12px}.further ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.further li{margin:0}.further a{font-size:15px;line-height:1.6;color:var(--ink);border-bottom:1px solid var(--line)}.further a:hover{color:var(--blue);border-color:var(--blue)}
/* Shared footer */
.footer{border-top:1px solid var(--line);padding-block:48px 110px;font-size:14px;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer h3{font-size:14px;color:var(--ink);font-weight:800;margin:0 0 12px}.footer p{margin:0}.footer nav{display:grid;gap:8px}.footer a:hover{color:var(--blue)}.footer .brand{margin-bottom:14px}.footer-legal{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.float{position:fixed;right:20px;bottom:20px;z-index:90;display:grid;gap:12px}.float a{position:relative;width:58px;height:58px;border-radius:16px;display:grid;place-items:center;color:#fff;box-shadow:0 10px 26px #0d1b2a33;transition:transform .3s var(--ease)}.float a:hover{transform:scale(1.08)}.float a svg{width:30px;height:30px}.float .f-line{background:var(--line-green)}.float .f-wa{background:var(--wa-green)}.float span{position:absolute;right:70px;top:50%;transform:translate(8px,-50%);opacity:0;pointer-events:none;background:var(--ink);color:#fff;font-size:13px;font-weight:700;white-space:nowrap;padding:6px 12px;border-radius:8px;transition:opacity .25s,transform .25s}.float a:hover span{opacity:1;transform:translate(0,-50%)}
@media(max-width:1080px){.header .nav{display:none}.menu-btn{display:grid}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.header-in{height:64px;gap:10px}.header .lang,.header .btn-line{display:none}.brand{font-size:17px}.head{padding:48px 0 32px}.list{grid-template-columns:1fr}.post{padding:24px}.container{padding-inline:20px}.crumb{padding-top:28px}.container>h1{font-size:30px}article{font-size:16px;line-height:1.9}.lead{font-size:18px}article h2{font-size:23px;margin-top:44px}article blockquote{font-size:17px}.cta{padding:26px 22px}.footer-grid{grid-template-columns:1fr}.float{right:14px;bottom:14px}.float a{width:52px;height:52px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important}}