/*
Theme Name: Kaolakk Blocksy
Theme URI: https://kaolakk.com/
Description: 考拉kk 的 Blocksy 子主题，面向 Web3、VPS 与 AI 教程阅读。
Author: Kaolakk
Template: blocksy
Version: 1.0.0
Text Domain: kaolakk-blocksy
*/

:root {
    --kk-blue: #2563eb;
    --kk-blue: oklch(55% 0.2 258);
    --kk-blue-dark: #1747b8;
    --kk-blue-dark: oklch(45% 0.17 258);
    --kk-blue-soft: #eaf1ff;
    --kk-blue-soft: oklch(95.5% 0.025 258);
    --kk-ink: #111827;
    --kk-ink: oklch(24% 0.025 258);
    --kk-muted: #526075;
    --kk-muted: oklch(48% 0.025 258);
    --kk-line: #dce3ee;
    --kk-line: oklch(90% 0.012 258);
    --kk-bg: #f6f8fc;
    --kk-bg: oklch(98% 0.008 258);
    --kk-surface: #ffffff;
    --kk-footer: #0b1730;
    --kk-footer: oklch(22% 0.055 258);
    --kk-radius-sm: 10px;
    --kk-radius-md: 14px;
    --kk-radius-lg: 16px;
    --kk-container: 1160px;
    --kk-reading: 760px;
    --kk-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.kaolakk-site {
    margin: 0;
    background: var(--kk-bg);
    color: var(--kk-ink);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
}

body.kaolakk-site a {
    color: inherit;
}

body.kaolakk-site img {
    display: block;
    max-width: 100%;
    height: auto;
}

.kk-container {
    width: min(calc(100% - 40px), var(--kk-container));
    margin-inline: auto;
}

.kk-skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--kk-ink);
    color: #fff;
    transform: translateY(-160%);
    transition: transform 160ms var(--kk-ease);
}

.kk-skip-link:focus {
    transform: translateY(0);
}

.kk-site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--kk-line);
}

.admin-bar .kk-site-header {
    top: 32px;
}

.kk-header-inner {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.kk-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--kk-ink);
    font-size: 19px;
    font-weight: 780;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.kk-brand img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
}

.kk-primary-nav ul,
.kk-mobile-menu ul,
.kk-footer-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kk-primary-nav a,
.kk-mobile-menu a {
    display: block;
    padding: 9px 13px;
    border-radius: 8px;
    color: var(--kk-muted);
    font-size: 15px;
    font-weight: 650;
    text-decoration: none;
    transition: color 160ms ease, background-color 160ms ease;
}

.kk-primary-nav a:hover,
.kk-primary-nav .current-menu-item > a,
.kk-mobile-menu a:hover {
    background: var(--kk-blue-soft);
    color: var(--kk-blue-dark);
}

.kk-mobile-nav {
    display: none;
    position: relative;
}

.kk-mobile-nav summary {
    display: grid;
    width: 42px;
    height: 42px;
    cursor: pointer;
    list-style: none;
    place-items: center;
    border: 1px solid var(--kk-line);
    border-radius: 10px;
    background: #fff;
}

.kk-mobile-nav summary::-webkit-details-marker {
    display: none;
}

.kk-menu-icon,
.kk-menu-icon::before,
.kk-menu-icon::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--kk-ink);
    content: "";
    transition: transform 160ms ease;
}

.kk-menu-icon {
    position: relative;
}

.kk-menu-icon::before {
    position: absolute;
    top: -6px;
}

.kk-menu-icon::after {
    position: absolute;
    top: 6px;
}

.kk-mobile-nav[open] .kk-menu-icon {
    background: transparent;
}

.kk-mobile-nav[open] .kk-menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.kk-mobile-nav[open] .kk-menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

.kk-mobile-menu {
    position: absolute;
    top: 50px;
    right: 0;
    width: 210px;
    padding: 8px;
    border: 1px solid var(--kk-line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(15, 35, 75, 0.12);
}

.kk-mobile-menu ul {
    align-items: stretch;
    flex-direction: column;
}

.kk-mobile-menu li,
.kk-mobile-menu a {
    width: 100%;
}

.kk-hero {
    overflow: hidden;
    padding: clamp(64px, 9vw, 112px) 0 clamp(54px, 7vw, 88px);
    background: var(--kk-surface);
    border-bottom: 1px solid var(--kk-line);
}

.kk-hero-grid {
    display: grid;
    align-items: center;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    gap: clamp(40px, 7vw, 88px);
}

.kk-topic-line {
    display: inline-flex;
    margin-bottom: 18px;
    align-items: center;
    gap: 9px;
    color: var(--kk-blue-dark);
    font-size: 14px;
    font-weight: 730;
}

.kk-topic-line::before {
    width: 28px;
    height: 2px;
    background: var(--kk-blue);
    content: "";
}

.kk-hero h1,
.kk-archive-header h1,
.kk-single-header h1 {
    margin: 0;
    color: var(--kk-ink);
    font-weight: 820;
    letter-spacing: -0.035em;
    line-height: 1.1;
    text-wrap: balance;
}

.kk-hero h1 {
    max-width: 13ch;
    font-size: clamp(42px, 6vw, 68px);
}

.kk-hero-copy {
    max-width: 610px;
    margin: 24px 0 0;
    color: var(--kk-muted);
    font-size: clamp(17px, 2vw, 20px);
    line-height: 1.75;
    text-wrap: pretty;
}

.kk-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 32px;
    align-items: center;
}

.kk-button {
    display: inline-flex;
    min-height: 46px;
    padding: 0 20px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--kk-blue);
    color: #fff !important;
    font-weight: 720;
    text-decoration: none;
    transition: background-color 160ms ease, transform 160ms var(--kk-ease);
}

.kk-button:hover {
    background: var(--kk-blue-dark);
    transform: translateY(-2px);
}

.kk-text-link {
    color: var(--kk-blue-dark) !important;
    font-weight: 700;
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
}

.kk-hero-latest {
    position: relative;
    color: #fff;
    text-decoration: none;
}

.kk-hero-latest img,
.kk-hero-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--kk-radius-lg);
    object-fit: cover;
    box-shadow: 0 14px 32px rgba(22, 54, 112, 0.18);
}

.kk-hero-placeholder,
.kk-article-placeholder {
    display: grid;
    background: var(--kk-blue);
    color: #fff;
    place-items: center;
    font-weight: 750;
}

.kk-hero-caption {
    position: absolute;
    right: 16px;
    bottom: 16px;
    left: 16px;
    padding: 14px 16px;
    border-radius: 10px;
    background: rgba(10, 24, 52, 0.9);
    color: #fff;
    font-size: 14px;
    font-weight: 680;
    line-height: 1.45;
}

.kk-section {
    padding: clamp(58px, 8vw, 96px) 0;
}

.kk-section-heading {
    display: flex;
    margin-bottom: 30px;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}

.kk-section-heading h2 {
    margin: 0;
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.kk-section-heading p {
    max-width: 520px;
    margin: 8px 0 0;
    color: var(--kk-muted);
}

.kk-featured-article {
    display: grid;
    overflow: hidden;
    margin-bottom: 26px;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    border: 1px solid var(--kk-line);
    border-radius: var(--kk-radius-lg);
    background: var(--kk-surface);
}

.kk-featured-media {
    min-height: 360px;
    background: var(--kk-blue-soft);
}

.kk-featured-media img,
.kk-featured-media .kk-article-placeholder {
    width: 100%;
    height: 100%;
    min-height: 360px;
    object-fit: cover;
}

.kk-featured-content {
    display: flex;
    padding: clamp(30px, 5vw, 54px);
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
}

.kk-article-label {
    margin-bottom: 12px;
    color: var(--kk-blue-dark);
    font-size: 14px;
    font-weight: 740;
}

.kk-featured-content h3,
.kk-article-content h2 {
    margin: 0;
    font-weight: 790;
    letter-spacing: -0.025em;
    line-height: 1.3;
    text-wrap: pretty;
}

.kk-featured-content h3 {
    font-size: clamp(27px, 3.6vw, 40px);
}

.kk-featured-content h3 a,
.kk-article-content h2 a {
    text-decoration: none;
}

.kk-featured-content h3 a:hover,
.kk-article-content h2 a:hover {
    color: var(--kk-blue-dark);
}

.kk-article-excerpt {
    margin: 17px 0 0;
    color: var(--kk-muted);
    line-height: 1.8;
}

.kk-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 20px;
    color: var(--kk-muted);
    font-size: 14px;
}

.kk-post-meta span + span::before {
    margin-right: 16px;
    color: var(--kk-line);
    content: "·";
}

.kk-article-list {
    border-top: 1px solid var(--kk-line);
}

.kk-article-row {
    display: grid;
    padding: 30px 0;
    align-items: center;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(26px, 5vw, 54px);
    border-bottom: 1px solid var(--kk-line);
}

.kk-article-media {
    overflow: hidden;
    border-radius: var(--kk-radius-sm);
    background: var(--kk-blue-soft);
}

.kk-article-media img,
.kk-article-media .kk-article-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 280ms var(--kk-ease);
}

.kk-article-row:hover .kk-article-media img {
    transform: scale(1.025);
}

.kk-article-content h2 {
    font-size: clamp(22px, 2.5vw, 30px);
}

.kk-article-content .kk-article-excerpt {
    max-width: 68ch;
    margin-top: 12px;
}

.kk-archive-header {
    padding: clamp(56px, 7vw, 88px) 0 44px;
    background: var(--kk-surface);
    border-bottom: 1px solid var(--kk-line);
}

.kk-archive-header h1 {
    font-size: clamp(40px, 5vw, 62px);
}

.kk-archive-header p {
    max-width: 650px;
    margin: 20px 0 0;
    color: var(--kk-muted);
    font-size: 18px;
}

.kk-single-main {
    padding: clamp(54px, 8vw, 92px) 0 0;
}

.kk-single-header {
    max-width: 920px;
    margin-inline: auto;
    text-align: center;
}

.kk-breadcrumb {
    display: inline-flex;
    margin-bottom: 22px;
    color: var(--kk-blue-dark) !important;
    font-size: 14px;
    font-weight: 720;
    text-decoration: none;
}

.kk-breadcrumb:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.kk-single-header h1 {
    font-size: clamp(36px, 5vw, 62px);
}

.kk-single-header .kk-post-meta {
    margin-top: 24px;
    justify-content: center;
}

.kk-single-hero {
    width: min(calc(100% - 40px), 1080px);
    margin: 44px auto 0;
}

.kk-single-hero img {
    width: 100%;
    max-height: 680px;
    border-radius: var(--kk-radius-lg);
    object-fit: cover;
}

.kk-article-body {
    width: min(calc(100% - 40px), var(--kk-reading));
    margin: 48px auto 0;
    color: #202b3c;
    font-size: 18px;
    line-height: 1.88;
    overflow-wrap: anywhere;
}

.kk-article-body > * {
    max-width: 100%;
}

.kk-article-body p,
.kk-article-body ul,
.kk-article-body ol,
.kk-article-body pre,
.kk-article-body blockquote,
.kk-article-body table {
    margin-top: 0;
    margin-bottom: 1.55em;
}

.kk-article-body h2,
.kk-article-body h3,
.kk-article-body h4 {
    margin: 2.1em 0 0.8em;
    color: var(--kk-ink);
    font-weight: 790;
    letter-spacing: -0.025em;
    line-height: 1.35;
    text-wrap: balance;
}

.kk-article-body h2 {
    font-size: clamp(28px, 3.5vw, 38px);
}

.kk-article-body h3 {
    font-size: clamp(23px, 2.7vw, 30px);
}

.kk-article-body a {
    color: var(--kk-blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.kk-article-body img {
    height: auto;
    margin: 32px auto;
    border-radius: var(--kk-radius-sm);
}

.kk-article-body blockquote {
    padding: 20px 22px;
    border: 1px solid #b8c9ed;
    border-radius: var(--kk-radius-sm);
    background: var(--kk-blue-soft);
    color: #263b65;
}

.kk-article-body pre,
.kk-article-body code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.kk-article-body pre {
    overflow-x: auto;
    padding: 20px;
    border-radius: var(--kk-radius-sm);
    background: #111a2c;
    color: #e8eefb;
    font-size: 14px;
    line-height: 1.7;
}

.kk-article-body :not(pre) > code {
    padding: 0.15em 0.38em;
    border-radius: 5px;
    background: #e8edf5;
    color: #25324a;
    font-size: 0.88em;
}

.kk-article-body table {
    display: block;
    width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    font-size: 15px;
}

.kk-article-body th,
.kk-article-body td {
    padding: 10px 12px;
    border: 1px solid var(--kk-line);
    text-align: left;
}

.kk-article-footer {
    width: min(calc(100% - 40px), var(--kk-reading));
    margin: 44px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--kk-line);
}

.kk-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kk-tags a {
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--kk-blue-soft);
    color: var(--kk-blue-dark);
    font-size: 13px;
    font-weight: 680;
    text-decoration: none;
}

.kk-post-navigation {
    display: grid;
    width: min(calc(100% - 40px), 960px);
    margin: 60px auto 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--kk-line);
    border-bottom: 1px solid var(--kk-line);
}

.kk-post-navigation a {
    display: block;
    min-height: 126px;
    padding: 26px;
    text-decoration: none;
}

.kk-post-navigation a + a {
    border-left: 1px solid var(--kk-line);
}

.kk-post-navigation small {
    display: block;
    margin-bottom: 7px;
    color: var(--kk-muted);
}

.kk-post-navigation strong {
    display: block;
    line-height: 1.5;
}

.kk-post-navigation a:hover strong {
    color: var(--kk-blue-dark);
}

.kk-empty-state,
.kk-not-found {
    width: min(calc(100% - 40px), 720px);
    margin: 90px auto;
    text-align: center;
}

.kk-not-found h1 {
    margin: 0 0 16px;
    font-size: clamp(40px, 7vw, 72px);
    letter-spacing: -0.03em;
}

.kk-site-footer {
    margin-top: clamp(70px, 9vw, 112px);
    padding: 48px 0 28px;
    background: var(--kk-footer);
    color: #e9effc;
}

.kk-footer-main {
    display: flex;
    padding-bottom: 34px;
    align-items: flex-start;
    justify-content: space-between;
    gap: 30px;
}

.kk-footer-brand {
    margin: 0;
    font-size: 21px;
    font-weight: 780;
}

.kk-footer-copy {
    max-width: 480px;
    margin: 8px 0 0;
    color: #bfcbe2;
}

.kk-footer-links a {
    color: #dce6f8;
    font-weight: 650;
    text-decoration: none;
}

.kk-footer-links a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.kk-footer-bottom {
    padding-top: 22px;
    border-top: 1px solid rgba(218, 229, 249, 0.18);
    color: #aebbd3;
    font-size: 13px;
}

body.kaolakk-site :focus-visible {
    outline: 3px solid #f5b942;
    outline-offset: 3px;
}

@media (max-width: 900px) {
    .kk-hero-grid,
    .kk-featured-article {
        grid-template-columns: 1fr;
    }

    .kk-hero-copy {
        max-width: 680px;
    }

    .kk-hero-latest {
        max-width: 660px;
    }

    .kk-featured-media,
    .kk-featured-media img,
    .kk-featured-media .kk-article-placeholder {
        min-height: 300px;
    }

    .kk-article-row {
        grid-template-columns: 220px minmax(0, 1fr);
    }
}

@media (max-width: 782px) {
    .admin-bar .kk-site-header {
        top: 46px;
    }
}

@media (max-width: 680px) {
    .kk-container,
    .kk-single-hero,
    .kk-article-body,
    .kk-article-footer,
    .kk-post-navigation {
        width: min(calc(100% - 32px), var(--kk-container));
    }

    .kk-header-inner {
        min-height: 64px;
    }

    .kk-primary-nav {
        display: none;
    }

    .kk-mobile-nav {
        display: block;
    }

    .kk-hero {
        padding-top: 52px;
    }

    .kk-hero-grid {
        gap: 36px;
    }

    .kk-hero h1 {
        max-width: 100%;
        font-size: clamp(38px, 12vw, 54px);
    }

    .kk-hero-actions {
        align-items: flex-start;
        flex-direction: column;
    }

    .kk-section-heading,
    .kk-footer-main {
        align-items: flex-start;
        flex-direction: column;
    }

    .kk-featured-media,
    .kk-featured-media img,
    .kk-featured-media .kk-article-placeholder {
        min-height: 230px;
    }

    .kk-article-row {
        padding: 26px 0;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .kk-article-media img,
    .kk-article-media .kk-article-placeholder {
        aspect-ratio: 16 / 9;
    }

    .kk-single-header {
        text-align: left;
    }

    .kk-single-header .kk-post-meta {
        justify-content: flex-start;
    }

    .kk-single-hero {
        margin-top: 32px;
    }

    .kk-article-body {
        margin-top: 34px;
        font-size: 17px;
        line-height: 1.82;
    }

    .kk-post-navigation {
        grid-template-columns: 1fr;
    }

    .kk-post-navigation a + a {
        border-top: 1px solid var(--kk-line);
        border-left: 0;
    }

    .kk-footer-links {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}