:root {
    --apple-black: #000000;
    --apple-gray: #f5f5f7;
    --apple-text: #1d1d1f;
    --apple-text-muted: rgba(0, 0, 0, 0.62);
    --apple-white: #ffffff;
    --apple-blue: #0071e3;
    --apple-link-blue: #0066cc;
    --apple-link-blue-dark: #2997ff;
    --apple-border: rgba(0, 0, 0, 0.08);
    --apple-radius-sm: 8px;
    --apple-radius-md: 12px;
    --apple-pill: 980px;
    --apple-shadow: rgba(0, 0, 0, 0.22) 3px 5px 30px 0;
    --apple-container-width: 1240px;
    --apple-layout-gap: clamp(24px, 3.4vw, 44px);
    --apple-main-top: clamp(24px, 3vw, 36px);
}

html {
    overflow-y: scroll;
    scrollbar-gutter: stable;
    -webkit-text-size-adjust: 100%;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.apple-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--apple-gray);
    color: var(--apple-text);
    font-family: "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.47;
    letter-spacing: -0.022em;
}

main,
article,
aside,
footer,
header,
nav,
section {
    display: block;
}

img,
svg,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--apple-link-blue);
    text-decoration: none;
}

a:hover,
a:active {
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--apple-blue);
    outline-offset: 2px;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
textarea {
    width: 100%;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--apple-border);
    border-radius: 11px;
    background: #fafafc;
    color: var(--apple-text);
}

textarea {
    resize: vertical;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-family: "SF Pro Display", "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

pre,
code {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

code {
    padding: 2px 4px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.05);
}

pre {
    margin: 0;
    padding: 0;
    border-radius: 12px;
    background: #fbfbfd;
    border: 1px solid var(--apple-border);
    overflow: auto;
}

pre code {
    display: block;
    padding: 0.8rem;
    background: transparent;
}

blockquote {
    margin: 1rem 0;
    padding-left: 1rem;
    border-left: 3px solid rgba(0, 113, 227, 0.48);
    color: rgba(29, 29, 31, 0.76);
}

hr {
    height: 0;
    border: 0;
    border-top: 1px solid var(--apple-border);
}

.apple-container {
    width: min(var(--apple-container-width), calc(100% - 2rem));
    margin-inline: auto;
}

.apple-header {
    position: sticky;
    top: 0;
    z-index: 40;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
}

.apple-header__inner {
    display: grid;
    gap: 14px 18px;
    align-items: center;
    padding: 0.82rem 0;
}

.apple-brand {
    min-width: 0;
}

.apple-brand__link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    max-width: 100%;
    color: var(--apple-white);
    text-decoration: none;
}

.apple-brand__link:hover,
.apple-brand__link:active {
    color: var(--apple-white);
    text-decoration: none;
}

.apple-brand__logo {
    width: 2.1rem;
    height: 2.1rem;
    flex: 0 0 auto;
    object-fit: contain;
}

.apple-brand__text {
    min-width: 0;
    overflow-wrap: anywhere;
    font-family: "SF Pro Display", "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.06rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.apple-brand__description {
    margin: 0.25rem 0 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.82rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.apple-nav {
    min-width: 0;
}

.apple-nav__list,
.apple-nav__sublist {
    margin: 0;
    padding: 0;
    list-style: none;
}

.apple-nav__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.apple-nav__item {
    position: relative;
}

.apple-nav__link,
.apple-nav__sublink {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.35rem 0.78rem;
    border-radius: var(--apple-pill);
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.78rem;
    line-height: 1;
    letter-spacing: -0.01em;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.apple-nav__link:hover,
.apple-nav__sublink:hover,
.apple-nav__link--current,
.apple-nav__link.current,
.apple-nav__sublink--current,
.apple-nav__sublink.current {
    color: var(--apple-white);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.16);
}

.apple-nav__item--has-children > .apple-nav__link::after {
    content: "▾";
    margin-left: 0.3rem;
    font-size: 0.74rem;
}

.apple-nav__sublist {
    position: absolute;
    top: calc(100% + 0.2rem);
    left: 0;
    z-index: 12;
    display: none;
    min-width: 12.5rem;
    padding: 0.5rem;
    border-radius: var(--apple-radius-md);
    background: rgba(28, 28, 30, 0.94);
    box-shadow: var(--apple-shadow);
}

.apple-nav__item:hover > .apple-nav__sublist,
.apple-nav__item:focus-within > .apple-nav__sublist {
    display: block;
}

.apple-nav__subitem + .apple-nav__subitem {
    margin-top: 4px;
}

.apple-nav__sublink {
    width: 100%;
}

.apple-search-wrap {
    min-width: 0;
}

.apple-search {
    display: flex;
    align-items: center;
    gap: 8px;
}

.apple-search__input {
    min-width: 0;
    flex: 1 1 auto;
    margin: 0;
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(250, 250, 252, 0.95);
}

.apple-search__input::placeholder {
    color: rgba(29, 29, 31, 0.46);
}

.apple-search__submit {
    flex: 0 0 auto;
    min-height: 2.1rem;
    padding: 0.35rem 0.95rem;
    border: 1px solid transparent;
    border-radius: var(--apple-pill);
    background: var(--apple-blue);
    color: var(--apple-white);
    font-size: 0.86rem;
    letter-spacing: -0.01em;
}

.apple-search__submit:hover {
    background: #1580eb;
    text-decoration: none;
}

.apple-main {
    flex: 1 0 auto;
    padding-block: var(--apple-main-top) clamp(28px, 4vw, 44px);
}

.apple-layout {
    display: grid;
    gap: var(--apple-layout-gap);
}

.apple-main-column,
.apple-sidebar {
    min-width: 0;
}

.apple-main-column--single {
    width: min(100%, 58rem);
}

.apple-layout--single {
    grid-template-columns: minmax(0, 1fr);
}

.apple-layout--single .apple-main-column {
    margin-inline: auto;
}

.apple-panel {
    padding: clamp(22px, 2.8vw, 34px);
    border-radius: 20px;
    background: var(--apple-white);
    box-shadow: var(--apple-shadow);
}

.apple-panel--narrow {
    width: min(100%, 40rem);
    margin-inline: auto;
}

.apple-post {
    padding: clamp(20px, 2.3vw, 30px);
    border-radius: 18px;
    background: var(--apple-white);
    box-shadow: var(--apple-shadow);
}

.apple-post + .apple-post {
    margin-top: 20px;
}

.apple-post--single,
.apple-post--related {
    box-shadow: rgba(0, 0, 0, 0.12) 0 12px 40px -26px;
}

.apple-post__title {
    margin: 0;
    font-size: clamp(1.52rem, 2.3vw, 2.5rem);
    font-weight: 600;
    line-height: 1.14;
    letter-spacing: -0.015em;
}

.apple-post__title a {
    color: inherit;
    text-decoration: none;
}

.apple-post__title a:hover,
.apple-post__title a:active {
    color: inherit;
    text-decoration: none;
}

.apple-post__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin: 0.85rem 0 0;
    padding: 0;
    list-style: none;
    color: var(--apple-text-muted);
    font-size: 0.83rem;
    line-height: 1.4;
}

.apple-post__meta li {
    position: relative;
}

.apple-post__meta li + li {
    padding-left: 10px;
}

.apple-post__meta li + li::before {
    content: "·";
    position: absolute;
    left: 0;
}

.apple-post__meta a {
    color: var(--apple-link-blue);
}

.apple-post__content {
    margin-top: 1rem;
    line-height: 1.72;
    color: var(--apple-text);
    overflow-wrap: break-word;
}

.apple-post__content > *:first-child {
    margin-top: 0;
}

.apple-post__content > *:last-child {
    margin-bottom: 0;
}

.apple-post__content--summary {
    color: rgba(29, 29, 31, 0.86);
}

.apple-post__content h2 {
    margin: 1.8rem 0 0.7rem;
    font-size: clamp(1.3rem, 2vw, 1.65rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.apple-post__content h3 {
    margin: 1.4rem 0 0.6rem;
    font-size: clamp(1.12rem, 1.5vw, 1.34rem);
    line-height: 1.25;
    letter-spacing: -0.008em;
}

.apple-post__content p {
    margin: 0.95rem 0;
}

.apple-post__content ul,
.apple-post__content ol {
    margin: 0.95rem 0;
    padding-left: 1.4rem;
}

.apple-post__content img,
.apple-post__content video {
    border-radius: 12px;
}

.apple-archive-title {
    margin: 0 0 16px;
    padding: 0.85rem 1.1rem;
    border-radius: var(--apple-radius-md);
    background: var(--apple-white);
    color: var(--apple-text);
    box-shadow: rgba(0, 0, 0, 0.14) 0 10px 32px -25px;
    font-size: clamp(1.15rem, 1.9vw, 1.45rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.apple-near {
    margin: 22px 0;
    padding: 0;
    list-style: none;
}

.apple-near__item + .apple-near__item {
    margin-top: 12px;
}

.apple-near__label {
    display: inline-block;
    margin-right: 8px;
    color: var(--apple-text-muted);
    font-size: 0.88rem;
}

.apple-near__link {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.28rem 0.82rem;
    border-radius: var(--apple-pill);
    border: 1px solid rgba(0, 102, 204, 0.44);
    color: var(--apple-link-blue);
    line-height: 1.2;
}

.apple-near__link:hover {
    background: rgba(0, 102, 204, 0.08);
    text-decoration: none;
}

.apple-near__empty {
    color: rgba(29, 29, 31, 0.48);
}

.apple-related__title {
    margin: 0;
    font-size: clamp(1.18rem, 1.8vw, 1.5rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.apple-related__list {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

.apple-related__item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--apple-border);
}

.apple-related__item:last-child {
    border-bottom: none;
}

.apple-related__date {
    flex: 0 0 auto;
    color: var(--apple-text-muted);
    font-size: 0.82rem;
    white-space: nowrap;
}

.apple-sidebar {
    display: grid;
    gap: 14px;
    align-content: start;
}

.apple-widget {
    padding: 18px;
    border-radius: 16px;
    background: var(--apple-white);
    box-shadow: rgba(0, 0, 0, 0.14) 0 10px 32px -25px;
}

.apple-widget__title {
    margin: 0 0 10px;
    font-size: 1.06rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.apple-widget__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.apple-widget__list li {
    margin: 0;
    line-height: 1.5;
}

.apple-widget__list li + li {
    margin-top: 10px;
}

.apple-widget__list--nested {
    margin-top: 8px;
    padding-left: 14px;
}

.apple-widget__item--social-child a {
    color: var(--apple-text-muted);
}

.apple-error-page {
    text-align: center;
}

.apple-error-page p {
    margin: 0.75rem 0;
}

.apple-error-page__search {
    display: grid;
    gap: 10px;
    width: min(100%, 24rem);
    margin: 1.2rem auto 0;
}

.apple-error-page__search p {
    margin: 0;
}

.apple-error-page__search button {
    width: 100%;
    min-height: 2.2rem;
    border: 1px solid transparent;
    border-radius: var(--apple-pill);
    background: var(--apple-blue);
    color: var(--apple-white);
}

.apple-footer {
    margin-top: 20px;
    padding: 1.2rem 0;
    background: var(--apple-black);
    color: rgba(255, 255, 255, 0.72);
}

.apple-footer__inner {
    text-align: center;
    font-size: 0.84rem;
    line-height: 1.4;
}

.apple-footer__inner p {
    margin: 0;
}

.apple-footer__inner a {
    color: var(--apple-link-blue-dark);
}

.apple-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    border: 0;
}

@media (min-width: 1024px) {
    .apple-header__inner {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr) minmax(260px, 0.8fr);
    }

    .apple-layout {
        grid-template-columns: minmax(0, 2.08fr) minmax(250px, 1fr);
        align-items: start;
    }

    .apple-layout--single {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 1023px) {
    .apple-header__inner {
        grid-template-columns: 1fr;
    }

    .apple-nav__list {
        gap: 8px;
    }

    .apple-search {
        margin-top: 2px;
    }
}

@media (max-width: 768px) {
    body.apple-body {
        font-size: 16px;
    }

    .apple-container {
        width: min(var(--apple-container-width), calc(100% - 1.25rem));
    }

    .apple-header__inner {
        gap: 10px;
        padding: 0.72rem 0;
    }

    .apple-brand__description {
        margin-top: 0.2rem;
    }

    .apple-nav__list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(116px, 1fr));
        gap: 6px;
    }

    .apple-nav__item {
        margin: 0;
    }

    .apple-nav__link,
    .apple-nav__sublink {
        width: 100%;
        justify-content: space-between;
        min-height: 2.2rem;
    }

    .apple-nav__sublist {
        position: static;
        display: block;
        min-width: 0;
        margin-top: 6px;
        padding: 0;
        background: transparent;
        box-shadow: none;
    }

    .apple-nav__subitem + .apple-nav__subitem {
        margin-top: 6px;
    }

    .apple-nav__sublink {
        background: rgba(255, 255, 255, 0.1);
    }

    .apple-main {
        padding-block: 20px 28px;
    }

    .apple-layout {
        gap: 18px;
    }

    .apple-post,
    .apple-widget,
    .apple-panel {
        padding: 16px;
        border-radius: 14px;
    }

    .apple-post__title {
        font-size: clamp(1.34rem, 8vw, 2rem);
    }

    .apple-post__meta {
        gap: 6px 10px;
    }

    .apple-post__content {
        margin-top: 0.8rem;
        font-size: 1rem;
        line-height: 1.72;
    }

    .apple-related__item {
        flex-wrap: wrap;
        gap: 4px 8px;
    }
}