/* vita-ductor - global styles. No Chinese in this file. */

:root {
    --law: #2C3E6B;
    --health: #2E8B57;
    --travel: #E67E22;
    --humanities: #8B5A2B;
    --home: #3E7CB1;
    --about: #7A5C9E;
    --bg: #F8F6F3;
    --surface: #FFFFFF;
    --ink: #23252B;
    --muted: #6B6B73;
    --line: #E7E2DA;
    --shadow: 0 8px 28px rgba(40, 38, 34, 0.08);
    --radius: 16px;
    --maxw: 1120px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Outfit", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* the fixed header is out of flow: reserve its height so content is not hidden */
    padding-top: 69px;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
}


/* ---------- Header ---------- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(248, 246, 243, 0.92);
    backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: .2px;
}

.brand .logo {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
}

.brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand .brand-text small {
    font-size: 11px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav a {
    padding: 8px 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    color: var(--muted);
    transition: background .15s, color .15s;
}

.nav a:hover {
    background: #fff;
    color: var(--ink);
}

.nav a.cat-law:hover {
    color: var(--law);
}

.nav a.cat-health:hover {
    color: var(--health);
}

.nav a.cat-travel:hover {
    color: var(--travel);
}

.nav a.cat-humanities:hover {
    color: var(--humanities);
}

.nav a.cat-home:hover {
    color: var(--home);
}

.nav a.cat-about:hover {
    color: var(--about);
}

.hamburger {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    width: 44px;
    height: 40px;
    cursor: pointer;
    font-size: 18px;
    color: var(--ink);
}


/* ---------- Hero / first title ---------- */

.page-head {
    padding: 40px 0 8px;
}

.eyebrow {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
}

.page-title {
    font-size: clamp(28px, 5vw, 44px);
    margin: 6px 0 10px;
    line-height: 1.1;
}

.page-sub {
    color: var(--muted);
    max-width: 640px;
    margin: 0;
}


/* ---------- Article grid ---------- */

.feed {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 28px 0 8px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform .18s ease, box-shadow .18s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(40, 38, 34, 0.12);
}

.card .thumb {
    aspect-ratio: 3/2;
    width: 100%;
    object-fit: cover;
}

.card .body {
    padding: 16px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.cat-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .4px;
    width: fit-content;
    padding: 4px 10px;
    border-radius: 999px;
}

.cat-law {
    background: rgba(44, 62, 107, 0.10);
    color: var(--law);
}

.cat-health {
    background: rgba(46, 139, 87, 0.12);
    color: var(--health);
}

.cat-travel {
    background: rgba(230, 126, 34, 0.14);
    color: var(--travel);
}

.cat-humanities {
    background: rgba(139, 90, 43, 0.12);
    color: var(--humanities);
}

.cat-home {
    background: rgba(62, 124, 177, 0.12);
    color: var(--home);
}

.cat-about {
    background: rgba(122, 92, 158, 0.12);
    color: var(--about);
}

.card h3 {
    font-size: 18px;
    margin: 0;
    line-height: 1.3;
}

.card .excerpt {
    color: var(--muted);
    font-size: 14px;
    margin: 0;
    flex: 1;
}

.card .more {
    font-weight: 700;
    color: var(--ink);
    font-size: 14px;
}

.card .more span {
    transition: transform .15s;
    display: inline-block;
}

.card:hover .more span {
    transform: translateX(4px);
}


/* ---------- Detail ---------- */


/* NOTE: keep horizontal padding here - `.detail` also sits on `.container`,
   so an explicit 0 side padding would flush the copy against the wall on mobile. */

.detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}

.back-link {
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.detail h1 {
    font-size: clamp(26px, 4.5vw, 38px);
    line-height: 1.15;
    margin: 14px 0 8px;
}

.detail .meta {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 18px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.detail .lead-img {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    border-radius: var(--radius);
    margin: 6px 0 22px;
    box-shadow: var(--shadow);
}

.detail h2 {
    font-size: 22px;
    margin: 26px 0 10px;
}

.detail p {
    font-size: 17px;
    margin: 0 0 18px;
}

.detail .inline-img {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    border-radius: 12px;
    margin: 10px 0 22px;
}

.related {
    margin-top: 40px;
}

.related h3 {
    font-size: 20px;
    margin: 0 0 16px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}


/* ---------- Continue button (interstitial trigger) ---------- */

.continue-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    background: var(--ink);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    font-family: inherit;
}

.continue-btn:hover {
    opacity: .9;
}


/* ---------- Ad slots / placeholders ---------- */

.adbox {
    margin: 22px 0;
    display: flex;
    justify-content: center;
}


/* a homepage ad placed inside the grid must span the full width (mobile-first) */

.feed>.adbox {
    grid-column: 1 / -1;
}

.ad-slot {
    width: 100%;
    height: auto;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed #D8D2C8;
    border-radius: 12px;
    background: repeating-linear-gradient(45deg, #fbfaf8, #fbfaf8 10px, #f4f1ec 10px, #f4f1ec 20px);
    color: #a59e92;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
}

.ad-slot::after {
    content: "advertisement";
}


/* when real ad is injected (iframe or ins), hide placeholder chrome */

.ad-slot:has(iframe),
.ad-slot:has(ins) {
    min-height: auto;
    border-color: transparent;
    background: transparent;
}

.ad-slot:has(iframe)::after,
.ad-slot:has(ins)::after {
    content: none;
}


/* anchor bottom bar - fixed 50px, never covers content */

#adAnchor {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    height: 50px;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--line);
    box-shadow: 0 -6px 18px rgba(40, 38, 34, 0.10);
}

#adAnchor:empty {
    display: none;
}


/* the slot must stay inside the 50px bar: kill the base 250px min-height */

#adAnchor .ad-slot {
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: 100%;
    max-width: none;
}


/* reserve a 50px bottom gutter while the bar is shown so it never hides content/footer */

body.anchor-visible {
    padding-bottom: 50px;
}


/* interstitial overlay - inset with a gutter so the panel never touches the walls */

#adInterstitial {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(20, 20, 24, 0.72);
    backdrop-filter: blur(2px);
}

#adInterstitial.show {
    display: flex;
}

#adInterstitialBody {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: #fff;
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}


/* the moved adbox is a flex child: force it to span the full modal width */

#adInterstitialBody .adbox {
    width: 100%;
    margin: 0;
}

#adInterstitialBody .ad-slot {
    width: 100%;
    min-height: 300px;
}

.inter-close {
    position: absolute;
    z-index: 2;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--line);
    cursor: pointer;
    font-size: 18px;
    color: var(--ink);
    box-shadow: var(--shadow);
}


/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--surface);
    margin-top: 40px;
}

.footer-inner {
    padding: 32px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
}

.footer-cols {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-col h4 {
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 10px;
}

.footer-col a {
    display: block;
    color: var(--ink);
    font-size: 14px;
    padding: 3px 0;
}

.footer-col a:hover {
    color: var(--travel);
}

.cookie-note {
    font-size: 12px;
    color: var(--muted);
    max-width: 520px;
    line-height: 1.5;
}

.copyright {
    font-size: 12px;
    color: var(--muted);
    padding: 0 0 24px;
}


/* ---------- Responsive ---------- */

@media (max-width: 980px) {
    .feed {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    /* keep a clear gutter on small screens: nothing may sit flush against the wall */
    .container,
    .container.detail {
        padding-left: 20px;
        padding-right: 20px;
    }
    .feed {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .nav {
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch;
        padding: 8px 20px 16px;
        gap: 4px;
        display: none;
    }
    .nav.open {
        display: flex;
    }
    .nav a {
        padding: 12px 8px;
    }
    .hamburger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .detail p {
        font-size: 16px;
    }
}