/* ═══════════════════════════════════════════════════════════
   Body 2 – 7 Premium Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Global tokens ── */
.b2-tag {
    display: inline-block; padding: 3px 10px;
    background: var(--color-primary); color: var(--color-btn-text);
    font-size: .62rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: .1em; border-radius: 2px;
    align-self: flex-start; width: fit-content; margin-bottom: 8px;
    transition: box-shadow .2s, transform .2s;
}
.b2-tag:hover { box-shadow: 0 2px 8px rgba(0,0,0,.2); }
.b2-tag--light { background: rgba(255,255,255,.15); color: #fff; backdrop-filter: blur(4px); }
.b2-sep { margin: 0 4px; opacity: .5; }
.b2-meta { display: flex; align-items: center; gap: 6px; font-size: .65rem; color: var(--color-muted); }
.b2-meta--light { color: rgba(255,255,255,.6); }

/* ══════════════════════════════════════════════════════════
   HERO – Magazine cover: ảnh tĩnh full-screen + text overlay
   ══════════════════════════════════════════════════════════ */
.b2-hero {
    position: relative; min-height: 620px;
    display: flex; flex-direction: column; justify-content: flex-end;
    overflow: hidden; background: var(--color-secondary);
}
.b2-hero__bg {
    position: absolute; inset: 0;
    background: center/cover no-repeat;
}
.b2-hero__overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(to right, rgba(0,0,0,.92) 0%, rgba(0,0,0,.65) 35%, rgba(0,0,0,.2) 65%, rgba(0,0,0,.05) 100%),
        linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 35%);
}

/* Inner: flex row, content trái + deco phải */
.b2-hero__inner {
    position: relative; z-index: 2;
    display: flex; align-items: flex-end; justify-content: space-between;
    padding: 0 5% 36px;
}
.b2-hero__content {
    max-width: 580px; display: flex; flex-direction: column; gap: 16px;
}

/* Issue line */
.b2-hero__issue {
    display: flex; align-items: center; gap: 10px;
    font-size: .62rem; font-weight: 900; letter-spacing: .16em;
    text-transform: uppercase; color: rgba(255,255,255,.45);
}
.b2-hero__issue-line {
    display: block; width: 40px; height: 2px;
    background: var(--color-primary); flex-shrink: 0;
    animation: b2-shimmer 2.4s ease-in-out infinite;
}
@keyframes b2-shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: .45; }
}
.b2-hero__issue-dot {
    display: block; width: 4px; height: 4px; border-radius: 50%;
    background: var(--color-primary); flex-shrink: 0;
}

.b2-hero__title {
    font-size: clamp(1.8rem, 3.5vw, 3.2rem); font-weight: 900; line-height: 1.08;
    color: #fff; margin: 0; letter-spacing: -.02em;
    text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.b2-hero__title a { color: inherit; text-decoration: none; }
.b2-hero__title a:hover { color: var(--color-primary); }
.b2-hero__desc { font-size: .82rem; color: rgba(255,255,255,.62); line-height: 1.65; margin: 0; }

.b2-hero__footer { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.b2-hero__meta { display: flex; align-items: center; gap: 10px; }
.b2-hero__btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--color-primary); color: var(--color-btn-text);
    font-size: .72rem; font-weight: 800; letter-spacing: .05em;
    padding: 10px 20px; border-radius: 3px; text-decoration: none;
    transition: opacity .2s, transform .2s, box-shadow .2s; white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.b2-hero__btn:hover { opacity: .9; text-decoration: none; transform: translateY(-1px); box-shadow: 0 6px 28px rgba(0,0,0,.4); }

/* Deco text dọc */
.b2-hero__deco {
    font-size: 5.5rem; font-weight: 900; letter-spacing: .2em;
    color: rgba(255,255,255,.04); pointer-events: none;
    writing-mode: vertical-rl; transform: rotate(180deg);
    white-space: nowrap; user-select: none; flex-shrink: 0;
    padding-bottom: 4px;
}

/* 4 overlay cards dưới */
.b2-hero__strip {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: repeat(4, 1fr);
    height: 200px; border-top: 4px solid var(--color-primary);
}
.b2-hero__strip-item {
    position: relative; background: var(--color-secondary) center/cover no-repeat;
    display: flex; flex-direction: column; justify-content: flex-end;
    text-decoration: none; overflow: hidden;
    border-right: 1px solid rgba(255,255,255,.07);
    transition: filter .3s, transform .3s;
    transform-origin: bottom;
}
.b2-hero__strip-item:last-child { border-right: none; }
.b2-hero__strip-item:hover { filter: brightness(1.1); transform: scaleY(1.02); }
.b2-hero__strip-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.2) 60%, transparent 100%);
}
.b2-hero__strip-body {
    position: relative; z-index: 1; padding: 12px 16px;
    display: flex; flex-direction: column; gap: 5px;
}
.b2-hero__strip-body h3 {
    font-size: .82rem; font-weight: 800; line-height: 1.3; color: #fff; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
    text-shadow: 0 1px 4px rgba(0,0,0,.5);
}
.b2-hero__strip-item:hover h3 { color: var(--color-primary); }

/* ══════════════════════════════════════════════════════════
   STYLE 1: OVERLAP HERO
   Featured full-width + 3 cards overlap lên phía dưới
   ══════════════════════════════════════════════════════════ */
.b2-overlap { background: var(--color-bg); margin-top: 8px; }

.b2-overlap__bg {
    position: relative; display: flex; flex-direction: column; justify-content: flex-end;
    min-height: 460px; background: var(--color-secondary) center/cover no-repeat;
    text-decoration: none; overflow: hidden; transition: filter .35s;
}
.b2-overlap__bg:hover { filter: brightness(1.06); }
.b2-overlap__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.4) 50%, rgba(0,0,0,.05) 100%);
}
.b2-overlap__inner {
    position: relative; z-index: 1; padding: 32px 5% 48px;
    max-width: 680px; display: flex; flex-direction: column; gap: 10px; color: #fff;
}
.b2-overlap__inner h2 {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem); font-weight: 900; line-height: 1.2; color: #fff; margin: 0;
}
.b2-overlap__inner p { font-size: .82rem; color: rgba(255,255,255,.7); line-height: 1.6; margin: 0; }
.b2-overlap__viewall {
    position: absolute; top: 24px; right: 5%; z-index: 2;
    font-size: .68rem; font-weight: 800; color: var(--color-primary);
    text-decoration: none; letter-spacing: .06em;
    border: 1px solid var(--color-primary); padding: 7px 16px; border-radius: 3px;
    transition: background .2s, color .2s;
}
.b2-overlap__viewall:hover { background: var(--color-primary); color: var(--color-btn-text); }

/* 3 cards overlap */
.b2-overlap__cards {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px; padding: 0 5% 40px;
    margin-top: -80px; position: relative; z-index: 2;
}
.b2-overlap__card {
    background: var(--color-surface); border-radius: 12px; overflow: hidden;
    text-decoration: none; color: var(--color-text);
    box-shadow: 0 8px 32px rgba(0,0,0,.18);
    display: flex; flex-direction: column;
    transition: transform .3s, box-shadow .3s;
}
.b2-overlap__card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,.25); }
.b2-overlap__card-img {
    width: 100%; aspect-ratio: 16/9;
    background: var(--color-border) center/cover no-repeat;
    position: relative; overflow: hidden; flex-shrink: 0;
}
.b2-overlap__card-img-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.15));
    transition: opacity .3s;
}
.b2-overlap__card:hover .b2-overlap__card-img { transform: scale(1.04); }
.b2-overlap__card-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.b2-overlap__card-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.4; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-overlap__card:hover h3 { color: var(--color-primary); }

/* ══════════════════════════════════════════════════════════
   STYLE 1: EDITORIAL SPLIT
   Sidebar tối trái (info + thumb) + 3 list items phải nền sáng
   ══════════════════════════════════════════════════════════ */
.b2-split { display: grid; grid-template-columns: 300px 1fr; margin-top: 8px; }

.b2-split__sidebar {
    background: linear-gradient(135deg, var(--color-secondary) 0%, color-mix(in srgb, var(--color-secondary) 85%, var(--color-primary)) 100%);
    display: flex; flex-direction: column;
    border-right: 1px solid rgba(255,255,255,.07);
}
.b2-split__sidebar-inner {
    padding: 32px 28px; display: flex; flex-direction: column; gap: 12px;
    position: relative; overflow: hidden;
}
.b2-split__sidebar-inner::before {
    content: ''; position: absolute;
    width: 160px; height: 160px; border-radius: 50%;
    background: rgba(255,255,255,.04); top: -40px; right: -40px;
}
.b2-split__sidebar-inner::after {
    content: ''; position: absolute;
    width: 80px; height: 80px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.06); bottom: 30%; right: 20%;
}
.b2-split__label {
    font-size: .62rem; font-weight: 900; letter-spacing: .16em;
    color: var(--color-primary); text-transform: uppercase;
    position: relative; z-index: 1;
}
.b2-split__title {
    font-size: clamp(1.3rem, 1.8vw, 1.8rem); font-weight: 900; line-height: 1.1;
    text-transform: uppercase; color: #fff; margin: 0; letter-spacing: -.02em;
    position: relative; z-index: 1;
}
.b2-split__title span { color: rgba(255,255,255,.55); }
.b2-split__desc { font-size: .82rem; color: rgba(255,255,255,.55); line-height: 1.6; margin: 0; position: relative; z-index: 1; }
.b2-split__btn {
    display: inline-block; padding: 7px 16px; align-self: flex-start;
    border: 1.5px solid rgba(255,255,255,.3); border-radius: 50px;
    color: #fff; font-size: .68rem; font-weight: 800; letter-spacing: .07em;
    text-decoration: none; transition: background .2s, color .2s, transform .2s;
    position: relative; z-index: 1;
}
.b2-split__btn:hover { background: var(--color-primary); border-color: var(--color-primary); transform: translateX(4px); }

/* Thumbnail featured */
.b2-split__thumb {
    flex: 1; position: relative; min-height: 180px;
    background: var(--color-secondary) center/cover no-repeat;
    display: flex; flex-direction: column; justify-content: flex-end;
    text-decoration: none; overflow: hidden;
    transition: filter .35s, transform .4s ease;
}
.b2-split__thumb:hover { filter: brightness(1.07); transform: scale(1.02); }
.b2-split__thumb-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.2) 55%, transparent 100%);
}
.b2-split__thumb-body {
    position: relative; z-index: 1; padding: 16px 20px;
    display: flex; flex-direction: column; gap: 6px; color: #fff;
}
.b2-split__thumb-body h3 {
    font-size: .82rem; font-weight: 800; line-height: 1.3; color: #fff; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-split__thumb:hover h3 { color: var(--color-primary); }

/* 3 list items */
.b2-split__list {
    display: grid; grid-template-columns: 1fr 1fr;
    background: var(--color-bg);
}
.b2-split__item {
    display: flex; gap: 0; text-decoration: none; color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    overflow: hidden; transition: background .2s, transform .2s;
}
.b2-split__item:nth-child(even) { border-right: none; }
.b2-split__item:nth-last-child(-n+2) { border-bottom: none; }
.b2-split__item:hover { background: color-mix(in srgb, var(--color-bg) 92%, var(--color-primary)); transform: translateX(2px); }
.b2-split__item-img {
    flex: 0 0 130px; height: 100%; min-height: 100px;
    background: var(--color-border) center/cover no-repeat;
    transition: transform .4s; overflow: hidden; flex-shrink: 0;
    border-right: 1px solid var(--color-border);
}
.b2-split__item:hover .b2-split__item-img { transform: scale(1.04); }
.b2-split__item-body {
    flex: 1; padding: 18px 22px;
    display: flex; flex-direction: column; justify-content: center; gap: 7px;
    border-left: 3px solid transparent; transition: border-color .2s;
}
.b2-split__item:hover .b2-split__item-body { border-left-color: var(--color-primary); }
.b2-split__item-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.35; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-split__item:hover h3 { color: var(--color-primary); }
.b2-split__item-body p { font-size: .82rem; color: var(--color-muted); line-height: 1.5; margin: 0; }

/* ══════════════════════════════════════════════════════════
   STYLE 2: HORIZONTAL CARDS
   Sidebar primary trái + 4 landscape cards dọc phải
   ══════════════════════════════════════════════════════════ */
.b2-hcard {
    display: grid; grid-template-columns: 260px 1fr;
    margin-top: 8px; min-height: 480px;
    background: var(--color-bg);
}
.b2-hcard__sidebar {
    background: var(--color-primary); padding: 40px 32px;
    display: flex; flex-direction: column; justify-content: center; gap: 14px;
    position: relative; overflow: hidden;
    background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 20px 20px;
}
.b2-hcard__sidebar::before {
    content: ''; position: absolute;
    width: 180px; height: 180px; border-radius: 50%;
    background: rgba(255,255,255,.07); top: -50px; right: -60px;
}
.b2-hcard__sidebar::after {
    content: ''; position: absolute;
    width: 120px; height: 120px; border-radius: 50%;
    background: rgba(255,255,255,.05); bottom: -30px; left: -30px;
}
.b2-hcard__label {
    font-size: .62rem; font-weight: 900; letter-spacing: .16em;
    color: rgba(255,255,255,.55); text-transform: uppercase;
    position: relative; z-index: 1;
}
.b2-hcard__title {
    font-size: clamp(1.4rem, 2vw, 2rem); font-weight: 900; line-height: 1.1;
    text-transform: uppercase; color: #fff; margin: 0; letter-spacing: -.02em;
    position: relative; z-index: 1;
}
.b2-hcard__title span { color: rgba(255,255,255,.65); }
.b2-hcard__line {
    width: 36px; height: 3px; background: rgba(255,255,255,.4);
    border-radius: 2px; position: relative; z-index: 1;
}
.b2-hcard__desc {
    font-size: .82rem; color: rgba(255,255,255,.68); line-height: 1.6; margin: 0;
    position: relative; z-index: 1;
}
.b2-hcard__btn {
    display: inline-block; padding: 8px 18px; align-self: flex-start;
    border: 1.5px solid rgba(255,255,255,.55); border-radius: 50px;
    color: #fff; font-size: .68rem; font-weight: 800; letter-spacing: .07em;
    text-decoration: none; transition: background .2s, color .2s;
    position: relative; z-index: 1;
}
.b2-hcard__btn:hover { background: #fff; color: var(--color-primary); }

.b2-hcard__list {
    display: grid; grid-template-columns: 1fr 1fr;
}
.b2-hcard__item {
    display: flex; gap: 0; text-decoration: none; color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    overflow: hidden; transition: background .2s, transform .2s;
}
.b2-hcard__item:nth-child(even) { border-right: none; }
.b2-hcard__item:nth-last-child(-n+2) { border-bottom: none; }
.b2-hcard__item:hover { background: color-mix(in srgb, var(--color-bg) 92%, var(--color-primary)); transform: translateX(3px); }
.b2-hcard__item-img {
    flex: 0 0 110px; height: 100%; min-height: 90px;
    background: var(--color-border) center/cover no-repeat;
    transition: transform .4s; overflow: hidden; flex-shrink: 0;
    border-right: 2px solid var(--color-border);
}
.b2-hcard__item:hover .b2-hcard__item-img { transform: scale(1.05); }
.b2-hcard__item-body {
    flex: 1; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px;
    border-left: 3px solid transparent; transition: border-color .2s;
}
.b2-hcard__item:hover .b2-hcard__item-body { border-left-color: var(--color-primary); }
.b2-hcard__item-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.35; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-hcard__item:hover h3 { color: var(--color-primary); }
.b2-hcard__item-body p { font-size: .82rem; color: var(--color-muted); line-height: 1.5; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.b2-hcard__item-arrow { display: none; }

/* ══════════════════════════════════════════════════════════
   STYLE 3: STACKED EDITORIAL
   Header bar + 1 bài top full + 3 bài list ngang dưới
   ══════════════════════════════════════════════════════════ */
.b2-stack { background: var(--color-surface); margin-top: 8px; }

.b2-stack__header {
    display: flex; align-items: center; gap: 14px;
    padding: 20px 5% 16px; border-bottom: 1px solid var(--color-border);
    background: linear-gradient(to right, color-mix(in srgb, var(--color-surface) 95%, var(--color-primary)), var(--color-surface));
}
.b2-stack__accent {
    display: block; width: 4px; height: 26px;
    background: var(--color-primary); border-radius: 2px; flex-shrink: 0;
}
.b2-stack__cat {
    font-size: 1rem; font-weight: 900; text-transform: uppercase;
    color: var(--color-text); letter-spacing: .05em; flex: 1; margin: 0;
}
.b2-stack__viewall {
    font-size: .68rem; font-weight: 800; color: var(--color-primary);
    text-decoration: none; letter-spacing: .06em;
    border: 1px solid var(--color-primary); padding: 6px 14px; border-radius: 3px;
    transition: background .2s, color .2s;
}
.b2-stack__viewall:hover { background: var(--color-primary); color: var(--color-btn-text); }

.b2-stack__top {
    position: relative; display: flex; flex-direction: column; justify-content: flex-end;
    min-height: 340px; background: var(--color-secondary) center/cover no-repeat;
    text-decoration: none; overflow: hidden; transition: filter .35s;
}
.b2-stack__top:hover { filter: brightness(1.06); }
.b2-stack__top-overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.4) 40%, rgba(0,0,0,.05) 100%),
        linear-gradient(to right, transparent 50%, rgba(0,0,0,.2) 100%);
}
.b2-stack__top-body {
    position: relative; z-index: 1; padding: 28px 5%;
    max-width: 700px; display: flex; flex-direction: column; gap: 10px; color: #fff;
}
.b2-stack__top-body h2 {
    font-size: clamp(1.3rem, 2.2vw, 2rem); font-weight: 900; line-height: 1.2; color: #fff; margin: 0;
    text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.b2-stack__top-body p { font-size: .82rem; color: rgba(255,255,255,.7); line-height: 1.6; margin: 0; }

.b2-stack__list {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--color-border);
}
.b2-stack__item {
    display: flex; flex-direction: column; text-decoration: none; color: var(--color-text);
    border-right: 1px solid var(--color-border);
    overflow: hidden; transition: background .2s, transform .3s, box-shadow .3s;
}
.b2-stack__item:last-child { border-right: none; }
.b2-stack__item:hover { background: color-mix(in srgb, var(--color-surface) 90%, var(--color-primary)); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.b2-stack__item-img {
    width: 100%; aspect-ratio: 16/9;
    background: var(--color-border) center/cover no-repeat;
    flex-shrink: 0; transition: transform .4s; overflow: hidden;
    border-bottom: 3px solid transparent; transition: transform .4s, border-color .3s;
}
.b2-stack__item:hover .b2-stack__item-img { transform: scale(1.04); border-bottom-color: var(--color-primary); }
.b2-stack__item-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.b2-stack__item-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.4; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-stack__item:hover h3 { color: var(--color-primary); }
.b2-stack__item-body p { font-size: .82rem; color: var(--color-muted); line-height: 1.55; margin: 0; }

/* ══════════════════════════════════════════════════════════
   STYLE 4: POLAROID GRID
   Nền tối, 4 cards dạng polaroid lệch nhau
   ══════════════════════════════════════════════════════════ */
.b2-polaroid { background: radial-gradient(ellipse at top, color-mix(in srgb, var(--color-secondary) 90%, var(--color-primary)) 0%, var(--color-secondary) 60%); margin-top: 8px; padding: 48px 5%; }

.b2-polaroid__header {
    display: flex; align-items: flex-end; gap: 20px;
    margin-bottom: 40px; padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.b2-polaroid__accent {
    display: block; width: 4px; height: 48px;
    background: var(--color-primary); border-radius: 2px; flex-shrink: 0;
}
.b2-polaroid__header h2 {
    font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 900; text-transform: uppercase;
    color: #fff; letter-spacing: -.02em; margin: 0; flex: 1;
}
.b2-polaroid__header p { font-size: .82rem; color: rgba(255,255,255,.5); line-height: 1.55; margin: 0; max-width: 320px; }
.b2-polaroid__header a {
    font-size: .68rem; font-weight: 800; color: var(--color-primary);
    text-decoration: none; letter-spacing: .06em; white-space: nowrap;
    border: 1px solid var(--color-primary); padding: 7px 16px; border-radius: 3px;
    transition: background .2s, color .2s;
}
.b2-polaroid__header a:hover { background: var(--color-primary); color: var(--color-btn-text); }

.b2-polaroid__grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px; align-items: start;
}
.b2-polaroid__card {
    background: #fff; border-radius: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    text-decoration: none; color: var(--color-text);
    transition: transform .35s cubic-bezier(.175,.885,.32,1.275), box-shadow .35s, filter .35s;
    overflow: hidden;
    border-bottom: 4px solid #e8e8e8;
}
.b2-polaroid__card--0 { transform: rotate(-2deg); }
.b2-polaroid__card--1 { transform: rotate(1.5deg); margin-top: 20px; }
.b2-polaroid__card--2 { transform: rotate(-1deg); margin-top: 8px; }
.b2-polaroid__card--3 { transform: rotate(2deg); margin-top: 16px; }
.b2-polaroid__card:hover { transform: rotate(0) translateY(-8px) scale(1.03); box-shadow: 0 20px 56px rgba(0,0,0,.5); filter: drop-shadow(0 20px 40px rgba(0,0,0,.4)); }
.b2-polaroid__img {
    width: 100%; aspect-ratio: 4/3;
    background: var(--color-border) center/cover no-repeat;
    flex-shrink: 0;
    border-bottom: 1px solid #f0f0f0;
}
.b2-polaroid__body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 6px; background: #fff; }
.b2-polaroid__body .b2-tag { background: var(--color-primary); }
.b2-polaroid__body h3 {
    font-size: .82rem; font-weight: 800; line-height: 1.4; color: #222; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    font-family: 'Courier New', monospace;
}
.b2-polaroid__body .b2-meta { color: #888; }

/* ══════════════════════════════════════════════════════════
   STYLE 5: NEWS GRID
   Watermark header + 4 cards nền sáng, ảnh 16/9 nhỏ gọn
   ══════════════════════════════════════════════════════════ */
.b2-darkgrid { background: var(--color-bg); margin-top: 8px; }

.b2-darkgrid__header {
    position: relative; overflow: hidden;
    padding: 20px 5% 16px;
    border-bottom: 3px solid var(--color-primary);
    background: linear-gradient(135deg, var(--color-secondary) 0%, color-mix(in srgb, var(--color-secondary) 80%, #000) 100%);
}
.b2-darkgrid__watermark {
    position: absolute; top: 50%; left: 4%;
    transform: translateY(-50%);
    font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900;
    color: rgba(255,255,255,.05); letter-spacing: .08em;
    text-transform: uppercase; pointer-events: none;
    white-space: nowrap; user-select: none; line-height: 1;
}
.b2-darkgrid__header-inner {
    position: relative; z-index: 1;
    display: flex; align-items: center; gap: 14px;
}
.b2-darkgrid__accent {
    display: block; width: 3px; height: 22px;
    background: var(--color-primary); border-radius: 2px; flex-shrink: 0;
}
.b2-darkgrid__header-inner h2 {
    font-size: 1rem; font-weight: 900; text-transform: uppercase;
    color: #fff; letter-spacing: .07em; flex: 1; margin: 0;
}
.b2-darkgrid__header-inner a {
    font-size: .68rem; font-weight: 800; color: var(--color-primary);
    text-decoration: none; letter-spacing: .06em;
    border: 1px solid rgba(255,255,255,.2); padding: 6px 16px; border-radius: 3px;
    transition: background .2s, color .2s;
}
.b2-darkgrid__header-inner a:hover { background: var(--color-primary); color: var(--color-btn-text); }

.b2-darkgrid__grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    border-top: none;
}
.b2-darkgrid__card {
    display: flex; flex-direction: column; text-decoration: none; color: var(--color-text);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden; transition: background .2s, box-shadow .2s;
}
.b2-darkgrid__card:last-child { border-right: none; }
.b2-darkgrid__card:hover { background: color-mix(in srgb, var(--color-bg) 92%, var(--color-primary)); box-shadow: inset 0 -3px 0 var(--color-primary); }
.b2-darkgrid__card-img {
    width: 100%; aspect-ratio: 16/9;
    background: var(--color-border) center/cover no-repeat;
    position: relative; overflow: hidden; flex-shrink: 0;
    transition: transform .4s;
    filter: brightness(.95); transition: transform .4s, filter .4s;
}
.b2-darkgrid__card:hover .b2-darkgrid__card-img { transform: scale(1.03); filter: brightness(1.05); }
.b2-darkgrid__card-num {
    position: absolute; top: 10px; left: 12px; z-index: 1;
    font-size: .62rem; font-weight: 900; letter-spacing: .08em;
    color: #fff; background: var(--color-primary);
    padding: 3px 8px; border-radius: 2px;
}
.b2-darkgrid__card-body {
    padding: 16px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1;
    border-top: 2px solid transparent; transition: border-color .2s;
    border-bottom: 1px solid var(--color-border);
}
.b2-darkgrid__card:hover .b2-darkgrid__card-body { border-top-color: var(--color-primary); }
.b2-darkgrid__card-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.4; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-darkgrid__card:hover h3 { color: var(--color-primary); }
.b2-darkgrid__card-body p { font-size: .82rem; color: var(--color-muted); line-height: 1.5; margin: 0; }

/* ══════════════════════════════════════════════════════════
   STYLE 6: PANORAMIC + GRID
   Featured top full-width overlay + 4 cards 2×2 nền sáng dưới
   ══════════════════════════════════════════════════════════ */
.b2-cover { background: var(--color-bg); margin-top: 8px; }

/* Featured top panoramic */
.b2-cover__top {
    position: relative; display: flex; flex-direction: column; justify-content: flex-end;
    min-height: 380px; background: var(--color-secondary) center/cover no-repeat;
    text-decoration: none; overflow: hidden; transition: filter .35s;
}
.b2-cover__top:hover { filter: brightness(1.06); }
.b2-cover__top-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.95) 0%, rgba(0,0,0,.5) 40%, rgba(0,0,0,.1) 80%, transparent 100%);
}
.b2-cover__top-meta {
    position: absolute; top: 20px; left: 5%; right: 5%; z-index: 2;
    display: flex; align-items: center; justify-content: space-between;
}
.b2-cover__viewall {
    font-size: .68rem; font-weight: 800; color: #fff;
    text-decoration: none; letter-spacing: .06em; opacity: .7;
    border: 1px solid rgba(255,255,255,.3); padding: 6px 14px; border-radius: 3px;
    transition: opacity .2s, background .2s;
}
.b2-cover__viewall:hover { opacity: 1; background: rgba(255,255,255,.1); }
.b2-cover__top-body {
    position: relative; z-index: 1; padding: 28px 5%;
    max-width: 700px; display: flex; flex-direction: column; gap: 10px; color: #fff;
}
.b2-cover__top-body h2 {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem); font-weight: 900; line-height: 1.2; color: #fff; margin: 0;
    text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.b2-cover__top-body p { font-size: .82rem; color: rgba(255,255,255,.68); line-height: 1.6; margin: 0; }

/* 4 cards 2×2 */
.b2-cover__grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    border-top: 3px solid var(--color-primary);
}
.b2-cover__card {
    display: flex; flex-direction: column; text-decoration: none; color: var(--color-text);
    border-right: 1px solid var(--color-border);
    overflow: hidden; transition: background .2s;
}
.b2-cover__card:last-child { border-right: none; }
.b2-cover__card:hover { background: color-mix(in srgb, var(--color-bg) 92%, var(--color-primary)); }
.b2-cover__card-img {
    width: 100%; aspect-ratio: 16/9;
    background: var(--color-border) center/cover no-repeat;
    flex-shrink: 0; overflow: hidden; transition: transform .4s;
}
.b2-cover__card:hover .b2-cover__card-img { transform: scale(1.03); }
.b2-cover__card-body {
    padding: 16px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1;
    border-top: 2px solid transparent; transition: border-color .2s;
}
.b2-cover__card:hover .b2-cover__card-body { border-top-color: var(--color-primary); }
.b2-cover__card-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.4; color: var(--color-text); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-cover__card:hover h3 { color: var(--color-primary); }
.b2-cover__card-body p { font-size: .82rem; color: var(--color-muted); line-height: 1.5; margin: 0; }

/* ══════════════════════════════════════════════════════════
   STYLE 7: DARK RIBBON
   Ribbon header tối + 4 cards lớn ngang
   ══════════════════════════════════════════════════════════ */
.b2-ribbon { background: var(--color-secondary); margin-top: 8px; }

.b2-ribbon__bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 5%; gap: 20px;
    background: var(--color-primary);
}
.b2-ribbon__bar-left { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; }
.b2-ribbon__dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--color-btn-text); flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(255,255,255,.25);
    animation: b2-pulse 2s ease-in-out infinite;
}
@keyframes b2-pulse { 0%,100%{box-shadow:0 0 0 3px rgba(255,255,255,.25)} 50%{box-shadow:0 0 0 6px rgba(255,255,255,.1)} }
.b2-ribbon__bar-left h2 {
    font-size: 1rem; font-weight: 900; text-transform: uppercase;
    color: var(--color-btn-text); letter-spacing: .07em; margin: 0; flex-shrink: 0;
}
.b2-ribbon__desc {
    font-size: .68rem; color: rgba(255,255,255,.65);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.b2-ribbon__viewall {
    font-size: .68rem; font-weight: 800; color: var(--color-btn-text);
    text-decoration: none; letter-spacing: .06em; opacity: .8;
    white-space: nowrap; transition: opacity .2s;
}
.b2-ribbon__viewall:hover { opacity: 1; }

.b2-ribbon__grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.b2-ribbon__card {
    display: flex; flex-direction: column; text-decoration: none; color: #fff;
    border-right: 1px solid rgba(255,255,255,.07);
    transition: background .2s;
}
.b2-ribbon__card:last-child { border-right: none; }
.b2-ribbon__card:hover { background: rgba(255,255,255,.04); }
.b2-ribbon__card-img {
    width: 100%; aspect-ratio: 16/9;
    background: rgba(255,255,255,.08) center/cover no-repeat;
    position: relative; overflow: hidden; flex-shrink: 0;
    transition: transform .4s;
}
.b2-ribbon__card:hover .b2-ribbon__card-img { transform: scale(1.04); }
.b2-ribbon__card-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,.5));
}
.b2-ribbon__card-num {
    position: absolute; top: 10px; left: 12px; z-index: 1;
    font-size: .62rem; font-weight: 900; letter-spacing: .08em;
    color: #fff; background: rgba(0,0,0,.55);
    padding: 3px 8px; border-radius: 3px; backdrop-filter: blur(4px);
}
.b2-ribbon__card-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.b2-ribbon__card-body h3 {
    font-size: .88rem; font-weight: 800; line-height: 1.4; color: #fff; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.b2-ribbon__card:hover h3 { color: var(--color-primary); }
.b2-ribbon__card-body p { font-size: .82rem; color: rgba(255,255,255,.55); line-height: 1.5; margin: 0; }

/* ══════════════════════════════════════════════════════════

/* ══════════════════════════════════════════════════════════
   GLOBAL – tắt text-decoration
   ══════════════════════════════════════════════════════════ */
.b2-hero a, .b2-overlap a, .b2-hcard a, .b2-stack a,
.b2-polaroid a, .b2-darkgrid a, .b2-cover a, .b2-ribbon a,
.b2-split a { text-decoration: none; }
.b2-hero a:hover, .b2-overlap a:hover, .b2-hcard a:hover, .b2-stack a:hover,
.b2-polaroid a:hover, .b2-darkgrid a:hover, .b2-cover a:hover, .b2-ribbon a:hover,
.b2-split a:hover { text-decoration: none; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE – Tablet lớn 1200px
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
    .b2-hero { min-height: 520px; }
    .b2-hero__strip { height: 175px; }
    .b2-hero__deco { font-size: 4rem; }
    .b2-split { grid-template-columns: 260px 1fr; }
    .b2-hcard { grid-template-columns: 220px 1fr; }
    .b2-polaroid__grid { gap: 20px; }
    .b2-darkgrid__grid { grid-template-columns: repeat(4, 1fr); }
    .b2-cover__grid { grid-template-columns: repeat(4, 1fr); }
    .b2-ribbon__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE – Tablet 900px
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    /* Hero */
    .b2-hero { min-height: 420px; }
    .b2-hero__deco { display: none; }
    .b2-hero__inner { padding: 0 4% 28px; }
    .b2-hero__title { font-size: clamp(1.6rem, 4vw, 2.4rem); }
    .b2-hero__strip { height: 155px; grid-template-columns: repeat(4, 1fr); }

    /* Overlap */
    .b2-overlap__bg { min-height: 360px; }
    .b2-overlap__cards { grid-template-columns: repeat(3, 1fr); margin-top: -50px; gap: 14px; padding: 0 4% 32px; }

    /* Split */
    .b2-split { grid-template-columns: 1fr; }
    .b2-split__sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
    .b2-split__sidebar-inner { flex: 1; min-width: 200px; padding: 24px 24px 16px; }
    .b2-split__thumb { min-height: 220px; flex: 0 0 100%; }
    .b2-split__list { grid-template-columns: repeat(2, 1fr); }
    .b2-split__item:nth-last-child(-n+2) { border-bottom: 1px solid var(--color-border); }
    .b2-split__item:last-child { border-bottom: none; }

    /* HCard */
    .b2-hcard { grid-template-columns: 1fr; }
    .b2-hcard__sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; padding: 24px 5%; min-height: unset; }
    .b2-hcard__label { width: 100%; }
    .b2-hcard__title { font-size: 1.4rem; }
    .b2-hcard__line, .b2-hcard__desc { display: none; }
    .b2-hcard__list { grid-template-columns: repeat(2, 1fr); }

    /* Stack */
    .b2-stack__top { min-height: 280px; }
    .b2-stack__list { grid-template-columns: repeat(3, 1fr); }

    /* Polaroid */
    .b2-polaroid { padding: 36px 4%; }
    .b2-polaroid__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .b2-polaroid__card--0, .b2-polaroid__card--1,
    .b2-polaroid__card--2, .b2-polaroid__card--3 { transform: none; margin-top: 0; }
    .b2-polaroid__card:hover { transform: translateY(-6px); }
    .b2-polaroid__header { flex-wrap: wrap; gap: 12px; }
    .b2-polaroid__header p { display: none; }

    /* Darkgrid */
    .b2-darkgrid__grid { grid-template-columns: repeat(2, 1fr); }
    .b2-darkgrid__card { border-bottom: 1px solid var(--color-border); }
    .b2-darkgrid__card:nth-child(even) { border-right: none; }
    .b2-darkgrid__card:nth-child(3), .b2-darkgrid__card:nth-child(4) { border-bottom: none; }

    /* Cover */
    .b2-cover__top { min-height: 260px; }
    .b2-cover__grid { grid-template-columns: repeat(2, 1fr); }
    .b2-cover__card:nth-child(1), .b2-cover__card:nth-child(2) { border-bottom: 1px solid var(--color-border); }
    .b2-cover__card:nth-child(even) { border-right: none; }

    /* Ribbon */
    .b2-ribbon__grid { grid-template-columns: repeat(2, 1fr); }
    .b2-ribbon__card:nth-child(even) { border-right: none; }
    .b2-ribbon__card:nth-child(1), .b2-ribbon__card:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.07); }
    .b2-ribbon__card:nth-child(3), .b2-ribbon__card:nth-child(4) { border-bottom: none; }
    .b2-ribbon__desc { display: none; }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE – Mobile 600px
   ══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
    /* Hero */
    .b2-hero { min-height: 340px; }
    .b2-hero__inner { padding: 0 4% 24px; }
    .b2-hero__title { font-size: clamp(1.3rem, 5vw, 1.8rem); }
    .b2-hero__desc, .b2-hero__issue { display: none; }
    .b2-hero__strip { grid-template-columns: repeat(2, 1fr); height: auto; }
    .b2-hero__strip-item { min-height: 120px; }
    .b2-hero__strip-item:nth-child(2) { border-right: none; }
    .b2-hero__strip-item:nth-child(1), .b2-hero__strip-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.07); }
    .b2-hero__strip-item:nth-child(3), .b2-hero__strip-item:nth-child(4) { border-bottom: none; }

    /* Overlap */
    .b2-overlap__bg { min-height: 260px; }
    .b2-overlap__inner { padding: 20px 4% 36px; }
    .b2-overlap__inner h2 { font-size: 1.3rem; }
    .b2-overlap__inner p { display: none; }
    .b2-overlap__cards { grid-template-columns: 1fr; margin-top: 0; padding: 14px 4%; gap: 10px; }

    /* Split */
    .b2-split__sidebar-inner { padding: 20px 4%; }
    .b2-split__thumb { min-height: 180px; }
    .b2-split__list { grid-template-columns: 1fr; }
    .b2-split__item { border-right: none; border-bottom: 1px solid var(--color-border); }
    .b2-split__item:last-child { border-bottom: none; }
    .b2-split__item-img { flex: 0 0 90px; }
    .b2-split__item-body { padding: 12px 14px; }
    .b2-split__item-body p { display: none; }

    /* HCard */
    .b2-hcard__sidebar { padding: 20px 4%; }
    .b2-hcard__list { grid-template-columns: 1fr; }
    .b2-hcard__item { border-right: none; border-bottom: 1px solid var(--color-border); }
    .b2-hcard__item:last-child { border-bottom: none; }
    .b2-hcard__item-img { flex: 0 0 90px; }
    .b2-hcard__item-body { padding: 12px 14px; }
    .b2-hcard__item-body p { display: none; }

    /* Stack */
    .b2-stack__top { min-height: 220px; }
    .b2-stack__top-body p { display: none; }
    .b2-stack__list { grid-template-columns: 1fr; }
    .b2-stack__item { border-right: none; border-bottom: 1px solid var(--color-border); }
    .b2-stack__item:last-child { border-bottom: none; }
    .b2-stack__item-body p { display: none; }

    /* Polaroid */
    .b2-polaroid { padding: 24px 4%; }
    .b2-polaroid__grid { grid-template-columns: 1fr; gap: 14px; }
    .b2-polaroid__header { flex-direction: column; align-items: flex-start; gap: 10px; }

    /* Darkgrid */
    .b2-darkgrid__grid { grid-template-columns: 1fr; }
    .b2-darkgrid__card { border-right: none; border-bottom: 1px solid var(--color-border); }
    .b2-darkgrid__card:last-child { border-bottom: none; }
    .b2-darkgrid__card-body p { display: none; }

    /* Cover */
    .b2-cover__top { min-height: 200px; }
    .b2-cover__top-body p { display: none; }
    .b2-cover__grid { grid-template-columns: 1fr; }
    .b2-cover__card { border-right: none; border-bottom: 1px solid var(--color-border); }
    .b2-cover__card:last-child { border-bottom: none; }
    .b2-cover__card-body p { display: none; }

    /* Ribbon */
    .b2-ribbon__bar { flex-wrap: wrap; gap: 8px; padding: 14px 4%; }
    .b2-ribbon__grid { grid-template-columns: 1fr; }
    .b2-ribbon__card { border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
    .b2-ribbon__card:last-child { border-bottom: none; }
    .b2-ribbon__card-body p { display: none; }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE – Mobile nhỏ 400px
   ══════════════════════════════════════════════════════════ */
@media (max-width: 400px) {
    .b2-hero { min-height: 300px; }
    .b2-hero__btn { padding: 8px 14px; font-size: .68rem; }
    .b2-hero__strip { grid-template-columns: 1fr; height: auto; }
    .b2-hero__strip-item { min-height: 100px; border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
    .b2-hero__strip-item:last-child { border-bottom: none; }
    .b2-overlap__cards { grid-template-columns: 1fr; }
    .b2-split__item-img { flex: 0 0 72px; }
    .b2-hcard__item-img { flex: 0 0 72px; }
    .b2-polaroid__grid { grid-template-columns: 1fr; }
    .b2-stack__list { grid-template-columns: 1fr; }
}