:root {
    --bg: #f5f7fb;
    --ink: #172033;
    --muted: #667085;
    --line: #dde3ef;
    --panel: #ffffff;
    --accent: #28328c;
    --accent-dark: #16205f;
    --teal: #0f8b7e;
    --gold: #b8872b;
    --navy: #111827;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.55;
}

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

.site-header {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 rgba(17, 24, 39, 0.02);
    position: sticky;
    top: 0;
    z-index: 5;
}

.wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav {
    align-items: center;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    min-height: 66px;
    position: relative;
}

.brand {
    align-items: center;
    display: inline-flex;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 0;
}

.brand-logo {
    display: block;
    max-height: 52px;
    width: auto;
}

.brand-text {
    color: var(--ink);
    line-height: 1;
}

.menu-toggle,
.menu-button {
    display: none;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.nav-links a,
.nav-item > a {
    border-radius: 6px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    padding: 9px 10px;
}

.nav-links a:hover,
.nav-item:hover > a {
    background: #eef2ff;
    color: var(--ink);
}

.nav-item {
    position: relative;
}

.submenu {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 16px 34px rgba(17, 24, 39, 0.1);
    display: none;
    left: 0;
    min-width: 150px;
    padding: 8px;
    position: absolute;
    top: 100%;
    z-index: 20;
}

.nav-item:hover .submenu {
    display: grid;
    gap: 2px;
}

.top-stories {
    display: grid;
    gap: 14px;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: repeat(2, 190px);
    padding: 24px 0 8px;
}

.story-card {
    background: #dfe6f5;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.story-main {
    grid-row: span 2;
}

.story-card a,
.story-image {
    display: block;
    height: 100%;
    width: 100%;
}

.story-image {
    object-fit: cover;
}

.placeholder {
    background:
        linear-gradient(135deg, rgba(40, 50, 140, 0.22), rgba(15, 139, 126, 0.12)),
        #dfe6f5;
}

.story-overlay {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0), rgba(17, 24, 39, 0.82));
    bottom: 0;
    color: #fff;
    display: grid;
    gap: 6px;
    left: 0;
    padding: 56px 16px 16px;
    position: absolute;
    right: 0;
}

.story-overlay .kicker {
    color: #b9f0e7;
}

.story-overlay strong {
    font-size: 19px;
    line-height: 1.2;
}

.story-main .story-overlay strong {
    font-size: clamp(26px, 4vw, 38px);
}

.section-title {
    align-items: baseline;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    margin: 28px 0 18px;
    padding-bottom: 10px;
}

.section-title h2 {
    font-size: 20px;
    margin: 0;
}

.content-layout {
    display: grid;
    gap: 30px;
    grid-template-columns: minmax(0, 1fr) 280px;
    margin-top: 12px;
}

.page-layout {
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1fr) 280px;
    margin: 28px 0 44px;
}

.page-layout > .sidebar {
    min-width: 0;
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.article-list {
    display: grid;
    gap: 18px;
}

.list-item {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 22px;
    grid-template-columns: 310px minmax(0, 1fr);
    padding: 18px;
}

.list-item:hover h3 a,
.rank-list a:hover {
    color: var(--accent);
}

.list-thumb {
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    display: block;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.list-thumb img,
.list-thumb .placeholder,
.side-thumb img,
.side-thumb .placeholder {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.image-link {
    overflow: hidden;
    position: relative;
}

.read-more-overlay {
    align-items: center;
    background: rgba(17, 24, 39, 0.68);
    color: #fff;
    display: flex;
    font-size: 13px;
    font-weight: 900;
    inset: 0;
    justify-content: center;
    opacity: 0;
    position: absolute;
    transition: opacity 160ms ease;
}

.image-link:hover .read-more-overlay {
    opacity: 1;
}

.list-item h3 {
    font-size: 22px;
    line-height: 1.22;
    margin: 6px 0 8px;
}

.list-item p {
    color: var(--muted);
    margin: 0 0 8px;
}

.read-more {
    color: var(--accent);
    display: inline-block;
    font-size: 14px;
    font-weight: 900;
    margin: 2px 0 8px;
}

.article-list-compact .list-item {
    grid-template-columns: 240px minmax(0, 1fr);
}

.article-list-compact .list-item h3 {
    font-size: 20px;
}

.sidebar {
    display: grid;
    gap: 18px;
    align-content: start;
}

.side-block {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
}

.side-block:first-child {
    border-top: 4px solid var(--accent);
}

.side-block h2 {
    font-size: 18px;
    margin: 0 0 12px;
}

.side-posts {
    display: grid;
    gap: 18px;
}

.side-post {
    border-top: 1px solid var(--line);
    padding-top: 14px;
}

.side-post:first-child {
    border-top: 0;
    padding-top: 0;
}

.side-thumb {
    aspect-ratio: 16 / 10;
    border-radius: 8px;
    display: block;
    margin-bottom: 10px;
}

.side-post h3 {
    font-size: 17px;
    line-height: 1.28;
    margin: 0;
}

.today {
    color: var(--accent);
    font-size: 22px;
    font-weight: 800;
    margin: 0;
}

.rank-list {
    counter-reset: rank;
    list-style: none;
    margin: 0;
    padding: 0;
}

.rank-list li {
    border-top: 1px solid var(--line);
    display: grid;
    gap: 10px;
    grid-template-columns: 28px 1fr;
    padding: 10px 0;
}

.rank-list li:first-child {
    border-top: 0;
}

.rank-list li::before {
    color: var(--gold);
    content: counter(rank);
    counter-increment: rank;
    font-weight: 900;
}

.subscribe-muted p {
    color: var(--muted);
    margin: 0;
}

.category-head {
    border-bottom: 1px solid var(--line);
    margin: 28px 0 20px;
    padding-bottom: 18px;
}

.category-head h1 {
    font-size: clamp(34px, 5vw, 54px);
    margin: 0 0 10px;
}

.category-head p {
    color: var(--muted);
    margin: 0;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.category-filters a {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
    padding: 8px 14px;
}

.category-filters a:hover,
.category-filters a.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.thumb {
    aspect-ratio: 16 / 9;
    background: #dfe6f5;
    display: block;
    object-fit: cover;
    width: 100%;
}

.card-body {
    padding: 16px;
}

.kicker {
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.card h3 {
    font-size: 20px;
    line-height: 1.18;
    margin: 8px 0 10px;
}

.card p,
.meta {
    color: var(--muted);
    font-size: 14px;
}

.article {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    margin: 0;
    padding: 28px;
}

.article a,
.site-footer a {
    color: var(--accent);
    font-weight: 700;
}

.article h1 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.04;
    margin: 8px 0 14px;
}

.article-body {
    font-size: 18px;
}

.article-body img {
    height: auto;
    max-width: 100%;
}

.site-footer {
    color: var(--muted);
    padding: 42px 0;
    text-align: center;
}

@media (max-width: 760px) {
    .nav {
        min-height: 72px;
        padding-bottom: 10px;
        padding-top: 10px;
    }

    .brand-logo {
        max-height: 48px;
    }

    .brand-text {
        font-size: 22px;
    }

    .menu-button {
        align-items: center;
        background: #eef2ff;
        border: 1px solid var(--line);
        border-radius: 8px;
        cursor: pointer;
        display: grid;
        gap: 5px;
        height: 42px;
        justify-content: center;
        width: 46px;
    }

    .menu-button span {
        background: var(--ink);
        border-radius: 999px;
        display: block;
        height: 2px;
        width: 22px;
    }

    .nav-links {
        background: var(--panel);
        border-top: 1px solid var(--line);
        display: none;
        gap: 0;
        left: 0;
        padding: 8px 20px 18px;
        position: absolute;
        right: 0;
        top: 100%;
    }

    .menu-toggle:checked ~ .nav-links {
        display: grid;
    }

    .nav-item > a,
    .nav-links > a {
        display: block;
        padding: 12px 0;
    }

    .submenu {
        border: 0;
        box-shadow: none;
        display: grid;
        margin-left: 8px;
        min-width: 0;
        padding: 0 0 8px 14px;
        position: static;
    }

    .submenu a {
        color: var(--muted);
        display: block;
        font-size: 14px;
        padding: 7px 0;
    }

    .top-stories,
    .content-layout,
    .page-layout,
    .list-item {
        grid-template-columns: 1fr;
    }

    .top-stories {
        grid-template-rows: none;
    }

    .story-card {
        min-height: 220px;
    }

    .story-main {
        grid-row: auto;
    }

    .article {
        border-left: 0;
        border-radius: 0;
        border-right: 0;
        padding: 22px 20px;
    }
}