:root{
  --hvlib-ink:#103a5d;
  --hvlib-muted:#607487;
  --hvlib-line:#dbe3e8;
  --hvlib-soft:#f4f7f8;
  --hvlib-paper:#fbfaf7;
  --hvlib-accent:#b57b2f;
}
.hv-sheet-page{background:#fff;color:var(--hvlib-ink)}
.hv-sheet-page *{box-sizing:border-box}
.hv-sheet-shell{width:min(1180px,calc(100% - 48px));margin:0 auto}
.hv-sheet-hero{background:var(--hvlib-paper);border-bottom:1px solid var(--hvlib-line)}
.hv-sheet-hero__inner{display:grid;grid-template-columns:minmax(0,1fr);gap:0;align-items:center;padding:64px 0 60px}
.hv-sheet-eyebrow,.hv-sheet-kicker{font:600 13px/1.4 'Be Vietnam Pro',sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--hvlib-accent)}
.hv-sheet-hero h1{font:600 clamp(48px,5vw,74px)/.98 'Noto Serif',serif;letter-spacing:-.035em;margin:14px 0 22px;color:var(--hvlib-ink);max-width:760px}
.hv-sheet-hero__lead{font:400 18px/1.75 'Be Vietnam Pro',sans-serif;color:var(--hvlib-muted);max-width:720px;margin:0}
.hv-sheet-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hv-sheet-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border:1px solid #9eb4c4;border-radius:999px;color:var(--hvlib-ink);text-decoration:none;font:600 14px/1 'Be Vietnam Pro',sans-serif;background:#fff}
.hv-sheet-btn--primary{background:var(--hvlib-ink);color:#fff;border-color:var(--hvlib-ink)}
.hv-sheet-hero__panel{background:#fff;border:1px solid var(--hvlib-line);border-radius:26px;padding:28px;box-shadow:0 16px 38px rgba(16,58,93,.06)}
.hv-sheet-hero__panel h2{font:600 26px/1.2 'Noto Serif',serif;margin:8px 0 14px;color:var(--hvlib-ink)}
.hv-sheet-hero__panel p{font:400 14px/1.7 'Be Vietnam Pro',sans-serif;color:var(--hvlib-muted);margin:0 0 18px}
.hv-sheet-hero__topics{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.hv-sheet-hero__topics span{padding:10px 12px;background:var(--hvlib-soft);border-radius:12px;font:600 12px/1.35 'Be Vietnam Pro',sans-serif;color:#35546e}
.hv-sheet-tools{padding:30px 0 18px;background:#fff;border-bottom:1px solid #edf1f3}
.hv-sheet-tools__row{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:18px;align-items:center}
.hv-sheet-search{position:relative}
.hv-sheet-search input{width:100%;min-height:50px;border:1px solid var(--hvlib-line);border-radius:14px;padding:0 17px;font:400 14px/1.4 'Be Vietnam Pro',sans-serif;color:var(--hvlib-ink);background:#fff;outline:none}
.hv-sheet-search input:focus{border-color:#8ca9ba;box-shadow:0 0 0 3px rgba(16,58,93,.06)}
.hv-sheet-filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.hv-sheet-filter{border:1px solid var(--hvlib-line);background:#fff;border-radius:999px;padding:10px 13px;font:600 12px/1 'Be Vietnam Pro',sans-serif;color:#48657a;cursor:pointer}
.hv-sheet-filter.is-active{background:var(--hvlib-ink);border-color:var(--hvlib-ink);color:#fff}
.hv-sheet-intro{padding:46px 0 10px}
.hv-sheet-intro__grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:end}
.hv-sheet-intro h2{font:600 clamp(34px,3.2vw,50px)/1.07 'Noto Serif',serif;letter-spacing:-.02em;margin:7px 0 0}
.hv-sheet-intro p{font:400 15px/1.75 'Be Vietnam Pro',sans-serif;color:var(--hvlib-muted);margin:0}
.hv-sheet-section{padding:52px 0;border-bottom:1px solid #edf1f3}
.hv-sheet-section:nth-of-type(even){background:#fafbfb}
.hv-sheet-section__head{display:grid;grid-template-columns:100px minmax(0,1fr) minmax(280px,.72fr);gap:28px;align-items:start;margin-bottom:24px}
.hv-sheet-section__no{font:500 13px/1 'Be Vietnam Pro',sans-serif;color:#9cadb9;padding-top:10px}
.hv-sheet-section h2{font:600 31px/1.15 'Noto Serif',serif;margin:0 0 9px;color:var(--hvlib-ink)}
.hv-sheet-section__desc{font:400 14px/1.75 'Be Vietnam Pro',sans-serif;color:var(--hvlib-muted);margin:0}
.hv-sheet-section__note{font:400 13px/1.7 'Be Vietnam Pro',sans-serif;color:#788a98;border-left:2px solid #d3dde3;padding-left:16px;margin:4px 0 0}
.hv-sheet-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.hv-sheet-card{background:#fff;border:1px solid var(--hvlib-line);border-radius:18px;overflow:hidden;min-height:100%;display:flex;flex-direction:column}
.hv-sheet-card__cover{aspect-ratio:4/3;background:#eef2f3;overflow:hidden}
.hv-sheet-card__cover img{width:100%;height:100%;object-fit:cover;display:block}
.hv-sheet-card__body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.hv-sheet-card__meta{font:600 11px/1.45 'Be Vietnam Pro',sans-serif;color:var(--hvlib-accent);text-transform:uppercase;letter-spacing:.045em}
.hv-sheet-card h3{font:600 21px/1.25 'Noto Serif',serif;margin:0;color:var(--hvlib-ink)}
.hv-sheet-card p{font:400 13px/1.65 'Be Vietnam Pro',sans-serif;color:var(--hvlib-muted);margin:0}
.hv-sheet-card__actions{margin-top:auto;padding-top:9px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hv-sheet-card__link{font:700 12px/1 'Be Vietnam Pro',sans-serif;color:var(--hvlib-ink);text-decoration:none}
.hv-sheet-placeholder{min-height:210px;border:1px dashed #bdcbd3;border-radius:18px;background:rgba(255,255,255,.76);display:flex;align-items:center;padding:24px}
.hv-sheet-placeholder__inner{max-width:430px}
.hv-sheet-placeholder strong{display:block;font:600 19px/1.3 'Noto Serif',serif;margin-bottom:8px;color:#35546e}
.hv-sheet-placeholder p{font:400 13px/1.7 'Be Vietnam Pro',sans-serif;color:#7a8c99;margin:0}
.hv-sheet-policy{padding:54px 0 68px;background:var(--hvlib-paper)}
.hv-sheet-policy__box{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;background:#fff;border:1px solid var(--hvlib-line);border-radius:24px;padding:34px}
.hv-sheet-policy h2{font:600 30px/1.15 'Noto Serif',serif;margin:7px 0 0}
.hv-sheet-policy ul{margin:0;padding-left:20px;color:var(--hvlib-muted);font:400 14px/1.8 'Be Vietnam Pro',sans-serif}
.hv-sheet-hidden{display:none!important}
@media (max-width:900px){
  .hv-sheet-shell{width:min(100% - 32px,1180px)}
  .hv-sheet-hero__inner{grid-template-columns:1fr;gap:28px;padding:48px 0}
  .hv-sheet-tools__row,.hv-sheet-intro__grid,.hv-sheet-policy__box{grid-template-columns:1fr}
  .hv-sheet-filters{justify-content:flex-start}
  .hv-sheet-section__head{grid-template-columns:54px 1fr}.hv-sheet-section__note{grid-column:2}
  .hv-sheet-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .hv-sheet-shell{width:min(100% - 24px,1180px)}
  .hv-sheet-hero__inner{padding:36px 0 38px}.hv-sheet-hero h1{font-size:43px}.hv-sheet-hero__lead{font-size:16px;line-height:1.65}
  .hv-sheet-hero__topics{grid-template-columns:1fr 1fr}.hv-sheet-hero__panel{padding:21px;border-radius:20px}
  .hv-sheet-tools{padding-top:20px}.hv-sheet-tools__row{gap:12px}.hv-sheet-filters{overflow:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}.hv-sheet-filter{white-space:nowrap}
  .hv-sheet-intro{padding-top:34px}.hv-sheet-intro h2{font-size:34px}
  .hv-sheet-section{padding:38px 0}.hv-sheet-section__head{grid-template-columns:1fr;gap:8px}.hv-sheet-section__no{padding:0}.hv-sheet-section__note{grid-column:auto;margin-top:5px}
  .hv-sheet-grid{grid-template-columns:1fr}.hv-sheet-placeholder{min-height:160px}
  .hv-sheet-policy{padding:40px 0}.hv-sheet-policy__box{padding:24px;gap:24px}
}

/* V1.1 public copy polish */
.hv-sheet-hero__content{max-width:820px}
.hv-sheet-placeholder{min-height:150px;justify-content:center;text-align:center}
.hv-sheet-placeholder__inner{max-width:none}
.hv-sheet-placeholder strong{margin:0;font-size:20px;color:#607487}
@media (max-width:640px){
  .hv-sheet-hero__inner{padding:34px 0 36px}
  .hv-sheet-placeholder{min-height:120px}
}