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linear}}.nav{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:26px;padding:22px var(--gut);transition:padding .35s}#hdr.scrolled .nav{padding-top:14px;padding-bottom:14px}.logo{display:inline-flex;align-items:center;text-decoration:none}.logo img{height:32px;width:auto}@media(min-width:900px){.logo img{height:48px}}#hdr:not(.scrolled) .logo img{border-radius:6px}.nav-links{display:none;gap:28px;font-size:.86rem;font-weight:500;color:var(--ink)}.nav-links a{text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--ink)}.nav-spacer{flex:1}.lang{font-family:var(--sans);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;font-size:.72rem;font-weight:700;letter-spacing:.1em;transition:border-color .25s;color:var(--muted)}.lang:hover{border-color:var(--line-2)}.lang span{transition:opacity .3s,color .3s}.lang .lang-vi{color:var(--deep);font-weight:700}.lang .lang-en,.lang[aria-pressed=true] 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44px;text-align:center}.showcase-head h2{margin-bottom:0}.kick-light{justify-content:center}.showcase-panel{margin:0;border-radius:var(--r-lg);overflow:hidden;background:var(--matte);border:1px solid var(--mint);aspect-ratio:16/9;box-shadow:var(--sh-md)}.showcase-panel img{width:100%;height:100%;object-fit:contain}.ph{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:var(--paper-3);background-image:linear-gradient(rgba(1,78,69,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(1,78,69,.06) 1px,transparent 1px);background-size:26px 26px;box-shadow:inset 0 0 0 1px var(--line)}.ph:after{content:"";position:absolute;inset:14px;border:1px dashed var(--line-2);border-radius:8px}.ph span{position:relative;font-family:var(--sans);font-size:.68rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}.chapters{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 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0;font-size:.86rem;color:var(--muted);margin:0}.chip.is-unavailable{color:var(--faint);border-style:dashed;border-color:var(--line);cursor:default}.chip.is-unavailable:hover{background:var(--paper);border-color:var(--line);color:var(--faint)}.signin{min-height:100dvh;display:grid;place-items:center;padding:28px 20px;background:var(--deep-d);position:relative;overflow:hidden}.signin-glow{position:fixed;inset:0;pointer-events:none;overflow:hidden}.signin-glow i{position:absolute;left:50%;bottom:-58vmin;width:130vmin;aspect-ratio:1;translate:-50% 0;border-radius:50%;mix-blend-mode:screen;opacity:.15;background:radial-gradient(circle at 50% 50%,var(--band-1) 0 9.8%,var(--band-1) 10.56%,var(--band-2) 11.3%,var(--band-2) 26.9%,var(--band-3) 28.4%,var(--band-3) 54.5%,var(--band-4) 56.1%,var(--band-4) 100%)}.signin-wrap{position:relative;width:100%;max-width:436px;display:flex;flex-direction:column;gap:22px}.signin-card{background:var(--paper);border-radius:var(--r-lg);padding:40px 36px 32px;box-shadow:var(--sh-lg);position:relative}.signin-logo{display:block;margin-bottom:26px}.signin-logo img{height:44px;width:auto}.signin-card h1{font-size:1.72rem;margin:0}.signin-sub{color:var(--muted);font-size:.9rem;margin:8px 0 24px}.signin-msg{display:none;margin-bottom:18px;padding:12px 14px;border-radius:var(--r-sm);font-size:.86rem;line-height:1.45}.signin-msg.is-shown{display:block}.signin-msg.is-error{background:#fdecea;color:#8c1d18;border:1px solid #F5C6C2}.signin-msg.is-notice{background:var(--paper-3);color:var(--deep);border:1px solid var(--mint)}.field{margin-bottom:18px}.field label{display:block;margin-bottom:7px;font-family:var(--display);font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--deep)}.field input{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:1rem;transition:border-color .2s,box-shadow 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h1{font-size:1.45rem}.signin-lang{top:14px;right:14px}}.signout{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:.8rem;font-weight:500;color:var(--muted);cursor:pointer;text-decoration:none;transition:border-color .2s,color .2s,background .2s}.signout:hover{border-color:var(--mint);color:var(--deep);background:var(--paper-2)}#signIn{border-color:var(--spring-d);color:var(--deep);font-weight:700}#signIn:hover{background:var(--spring);border-color:var(--spring);color:var(--ink)}@media(max-width:719px){#signOut span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}#signOut{padding:7px 10px}}.appfoot{border-top:1px solid var(--line);background:var(--paper-2);padding:26px var(--gut)}.appfoot-in{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--muted)}.appfoot a{color:var(--moss);text-decoration:none}.appfoot a:hover{text-decoration:underline}.stories{display:grid;gap:18px}.stories-empty{color:var(--muted);font-size:.95rem}.story-card{display:flex;gap:0;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,border-color .25s}.story-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--mint)}.story-cover{display:block;aspect-ratio:5/2;background:var(--matte);overflow:hidden}.story-cover img{width:100%;height:100%;object-fit:cover;object-position:center}.story-meta{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px}.story-meta time{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}.story-meta h3{margin:0;font-size:1.15rem;line-height:1.3}.story-meta p{margin:0;font-size:.9rem;line-height:1.55;color:var(--muted)}.story-more{margin-top:4px;font-size:.8rem;font-weight:700;color:var(--moss)}@media(min-width:720px){.stories{grid-template-columns:repeat(2,1fr)}.story-card:first-child{grid-column:1 / -1;flex-direction:row}.story-card:first-child .story-cover{flex:0 0 46%;aspect-ratio:auto}.story-card:first-child .story-meta{justify-content:center;padding:26px 30px}.story-card:first-child h3{font-size:1.45rem}}.story-article{max-width:68ch;margin:0 auto}.story-hero{margin:0 0 22px}.story-hero img{width:100%;border-radius:var(--r-md);border:1px solid var(--line)}.story-date{margin:0 0 26px;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}.story-missing{color:var(--muted)}html:not([lang=en]) .story-body-en{display:none}html[lang=en] 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a{color:var(--moss);text-decoration:none;font-weight:700;font-size:.9rem}.story-back a:hover{text-decoration:underline}