:root {
    --page-bg: #0c0f14;
    --surface: rgba(19, 24, 32, 0.55);
    --surface-solid: #141922;
    --surface-soft: rgba(255, 255, 255, 0.06);
    --text: #f3f5f9;
    --text-secondary: #c9d0da;
    --text-muted: #9aa3b1;
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.26);
    --accent: #d8b97e;
    --accent-soft: rgba(216, 185, 126, 0.16);
    --danger: #f2897b;
    --focus: #e2c58d;
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    --radius: 14px;
    --radius-large: 20px;
    --content-width: 1120px;
    --reading-width: 680px;
    --shadow: 0 30px 80px -36px rgba(0, 0, 0, 0.72);
    --font-body: "Aptos", "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
    --font-reading: "Iowan Old Style", "Baskerville", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
    --font-display: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", "Iowan Old Style", "Baskerville", serif;
}

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

html {
    color-scheme: dark;
    scroll-behavior: smooth;
}

body {
    background-color: var(--page-bg) !important;
    color: var(--text);
    font-family: var(--font-body) !important;
    line-height: 1.65;
    margin: 0;
    min-height: 100vh;
    position: relative;
    isolation: isolate;
    text-rendering: optimizeLegibility;
    user-select: none;
    -webkit-font-smoothing: antialiased;
    -webkit-user-select: none;
}

/* 背景层：内置深色底兜底，必应每日壁纸加载完成后淡入。
   正文可读性由上层遮罩保证，不依赖壁纸请求成功。 */
body::before {
    background-image: var(--site-wallpaper, none);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    content: "";
    inset: 0;
    opacity: 0;
    pointer-events: none;
    position: fixed;
    transform: scale(1.06);
    transition: opacity 1100ms ease-out, transform 16s cubic-bezier(0.22, 0.61, 0.36, 1);
    z-index: -2;
}

html.wallpaper-ready body::before {
    opacity: 1;
    transform: scale(1);
}

/* 全局遮罩：无论壁纸明暗，都把文字所在区域压到可读对比度。 */
body::after {
    background:
        radial-gradient(130% 100% at 50% 0%, rgba(10, 13, 18, 0.32) 0%, rgba(10, 13, 18, 0.56) 56%, rgba(7, 9, 13, 0.82) 100%),
        linear-gradient(180deg, rgba(9, 11, 16, 0.34) 0%, rgba(8, 10, 14, 0.62) 100%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: fixed;
    z-index: -1;
}

button,
.clear-btn,
.search-icon {
    user-select: none;
}

input,
textarea,
[contenteditable="true"] {
    user-select: text !important;
    -webkit-user-select: text !important;
}

img {
    max-width: 100%;
    -webkit-user-drag: none;
    user-select: none;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

a {
    color: inherit;
}

::selection {
    background: rgba(216, 185, 126, 0.32);
    color: #10131a;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 3px;
}

.skip-link {
    background: var(--surface-solid);
    border: 1px solid var(--focus);
    border-radius: var(--radius);
    color: var(--text);
    left: 18px;
    padding: 10px 14px;
    position: fixed;
    text-decoration: none;
    top: 14px;
    transform: translateY(calc(-100% - 28px));
    z-index: 3000;
}

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

.visually-hidden {
    border: 0 !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    margin: -1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    white-space: nowrap !important;
    width: 1px !important;
}

.lucide-slot {
    align-items: center;
    display: inline-flex;
    flex: 0 0 auto;
    justify-content: center;
    line-height: 0;
}

.lucide-icon {
    display: block;
    height: 1em;
    overflow: visible;
    width: 1em;
}

.apple-blog {
    margin: 0 auto;
    max-width: var(--content-width) !important;
    padding: 0 40px 104px !important;
    position: relative;
    width: 100%;
    z-index: 1;
}

.motion-ready [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 460ms cubic-bezier(0.22, 0.61, 0.36, 1), transform 460ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.motion-ready [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* Shared navigation: sticky frosted rail */
.site-rail {
    align-items: center;
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow), var(--glass-highlight);
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    min-height: 62px;
    padding: 0 12px 0 20px;
    position: sticky;
    top: 16px;
    z-index: 60;
}

.site-rail a,
.site-rail button {
    align-items: center;
    display: inline-flex;
    gap: 8px;
    min-height: 44px;
}

/* 顶栏内嵌搜索：细高度胶囊，让首屏留给内容 */
.site-rail .search-wrapper {
    flex: 1 1 auto;
    margin: 0 auto;
    max-width: 420px;
}

.site-rail .search-container {
    background: rgba(255, 255, 255, 0.06);
    min-height: 42px;
    padding: 0 2px 0 14px;
}

.site-rail .search-input {
    font-size: 14px;
    padding: 8px 0;
}

.site-rail .clear-btn {
    height: 38px;
    width: 38px;
}

.site-rail a {
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 160ms ease;
}

.site-rail a:hover,
.site-rail a:focus-visible {
    color: var(--text);
}

.rail-brand {
    color: var(--text) !important;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.rail-brand > span:last-child {
    padding-top: 1px;
}

.rail-mark {
    align-items: center;
    border: 1px solid rgba(216, 185, 126, 0.6);
    border-radius: 6px;
    color: var(--accent);
    display: inline-flex;
    font-family: var(--font-body);
    font-size: 10.5px;
    font-weight: 650;
    height: 28px;
    justify-content: center;
    letter-spacing: 0.08em;
    width: 28px;
}

.rail-links {
    align-items: center;
    display: flex;
    gap: 22px;
    padding-right: 10px;
}

.rail-links .lucide-icon {
    height: 15px;
    width: 15px;
}

.back-link {
    align-items: center;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 0;
    border-radius: 0;
    color: var(--text-secondary);
    display: inline-flex;
    font-size: 14px;
    gap: 8px;
    min-height: 44px;
    padding: 0;
    text-decoration: none;
    transition: color 160ms ease;
}

.back-link:hover,
.back-link:focus-visible {
    color: var(--text);
}

/* Shared search */
.search-wrapper {
    max-width: 520px;
    position: relative;
    width: 100%;
    z-index: 30;
}

.search-container {
    align-items: center;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    display: flex;
    min-height: 50px;
    padding: 0 8px 0 18px;
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
    width: 100%;
}

.search-container:focus-within {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(216, 185, 126, 0.65);
    box-shadow: 0 0 0 3px rgba(216, 185, 126, 0.18);
}

.search-icon {
    align-items: center;
    color: var(--text-muted);
    display: inline-flex;
    flex: 0 0 auto;
    justify-content: center;
    margin-right: 12px;
    cursor: default !important;
    pointer-events: none;
}

.search-icon .lucide-icon {
    height: 17px;
    width: 17px;
}

.search-input {
    background: transparent !important;
    border: 0 !important;
    color: var(--text);
    flex: 1 1 auto;
    font-size: 15px;
    min-width: 0;
    outline: 0;
    padding: 10px 0;
    width: 100%;
}

.search-input::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.clear-btn {
    align-items: center;
    background: transparent;
    border: 0;
    border-radius: 999px;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    height: 44px;
    justify-content: center;
    margin: 0;
    opacity: 0;
    padding: 0;
    pointer-events: none;
    visibility: hidden;
    width: 44px;
}

.search-container.has-text .clear-btn {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

/* 搜索建议层：近实色深色面板，不用嵌套毛玻璃，保证结果文字不透底。 */
.suggestions {
    background: rgba(15, 19, 26, 0.96);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow), var(--glass-highlight);
    display: none;
    left: 0;
    margin-top: 10px;
    max-height: min(420px, 62vh);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 6px;
    position: absolute;
    right: 0;
    scrollbar-color: rgba(216, 185, 126, 0.55) #1a212c;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    top: 100%;
    z-index: 1000;
}

.suggestions::-webkit-scrollbar {
    width: 8px;
}

.suggestions::-webkit-scrollbar-track {
    background: #1a212c;
}

.suggestions::-webkit-scrollbar-thumb {
    background: rgba(216, 185, 126, 0.55);
    border: 2px solid #1a212c;
    border-radius: 8px;
}

.suggestion-item {
    align-items: center;
    border-radius: 10px;
    color: var(--text-secondary);
    display: flex;
    font-size: 14px;
    gap: 16px;
    justify-content: space-between;
    min-height: 52px;
    min-width: 0;
    padding: 9px 10px;
    text-decoration: none;
    width: 100%;
}

.suggestion-item:hover,
.suggestion-item[aria-selected="true"] {
    background: var(--surface-soft);
    color: var(--text);
}

.suggestion-main {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 2px;
    max-width: 100%;
    min-width: 0;
}

.suggestion-title,
.suggestion-excerpt {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.suggestion-excerpt {
    color: var(--text-muted);
    font-size: 12px;
}

.suggestion-date {
    color: var(--text-muted);
    flex: 0 0 auto;
    font-size: 12px;
    max-width: 44%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Home masthead */
.home-page .kinetic-hero {
    --home-scale: 1;
    --hero-shift: 0px;
    align-items: start !important;
    background: transparent !important;
    border: 0 !important;
    display: block !important;
    margin: 0 !important;
    min-height: 0;
    overflow: visible;
    padding: 46px 0 0 !important;
}

.kinetic-hero[data-home-title-scale="80"] { --home-scale: 0.8; }
.kinetic-hero[data-home-title-scale="85"] { --home-scale: 0.85; }
.kinetic-hero[data-home-title-scale="90"] { --home-scale: 0.9; }
.kinetic-hero[data-home-title-scale="95"] { --home-scale: 0.95; }
.kinetic-hero[data-home-title-scale="100"] { --home-scale: 1; }
.kinetic-hero[data-home-title-scale="105"] { --home-scale: 1.05; }
.kinetic-hero[data-home-title-scale="110"] { --home-scale: 1.1; }
.kinetic-hero[data-home-title-scale="115"] { --home-scale: 1.15; }
.kinetic-hero[data-home-title-scale="120"] { --home-scale: 1.2; }

.kinetic-hero[data-home-title-position="1"] { --hero-shift: -12px; }
.kinetic-hero[data-home-title-position="2"] { --hero-shift: -6px; }
.kinetic-hero[data-home-title-position="3"] { --hero-shift: 0px; }
.kinetic-hero[data-home-title-position="4"] { --hero-shift: 8px; }
.kinetic-hero[data-home-title-position="5"] { --hero-shift: 16px; }
.kinetic-hero[data-home-title-position="6"] { --hero-shift: 24px; }

.hero-copy {
    margin-top: var(--hero-shift);
    max-width: 680px;
    min-width: 0;
}

.kinetic-hero[data-home-stage-width="compact"] .hero-copy {
    max-width: 560px;
}

.kinetic-hero[data-home-stage-width="wide"] .hero-copy {
    max-width: 760px;
}

.hero-kicker,
.section-kicker {
    color: var(--accent);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.24em;
    margin: 0 0 18px;
}

.home-page .kinetic-hero h1 {
    color: var(--text) !important;
    font-family: var(--font-display) !important;
    font-size: calc(46px * var(--home-scale)) !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    line-height: 1.16 !important;
    margin: 0 !important;
    max-width: 12em;
    overflow-wrap: break-word;
    text-shadow: 0 2px 28px rgba(0, 0, 0, 0.45);
    text-wrap: balance;
    white-space: pre-line;
    word-break: auto-phrase;
}

.hero-title-en {
    color: var(--text-muted);
    font-size: 13px;
    font-style: normal;
    font-weight: 550;
    letter-spacing: 0.22em;
    line-height: 1.6;
    margin: 14px 0 0;
    max-width: 40em;
    overflow-wrap: break-word;
    white-space: pre-line;
}

/* 首页工具区：紧凑的统计与联系行，让模块卡片进入首屏 */
.hero-tools {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 36px;
    margin-top: 24px;
    min-width: 0;
    padding: 0;
}

.archive-stats {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin: 0;
    padding: 0;
}

.archive-stats div {
    align-items: baseline;
    display: flex;
    gap: 7px;
    min-width: 0;
}

.archive-stats div + div::before {
    color: var(--line-strong);
    content: "·";
    margin-right: 14px;
}

.archive-stats dt {
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 0.04em;
}

.archive-stats dd {
    color: var(--text);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    font-weight: 650;
    margin: 0;
    overflow-wrap: anywhere;
}

.hero-contact {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 22px;
    margin-top: 0;
    padding: 0;
}

.hero-contact a {
    align-items: center;
    color: var(--text-muted);
    display: inline-flex;
    font-size: 13px;
    gap: 6px;
    min-height: 44px;
    text-decoration: none;
    transition: color 160ms ease;
}

.hero-contact a:hover,
.hero-contact a:focus-visible {
    color: var(--text);
}

.hero-contact .lucide-icon {
    height: 14px;
    width: 14px;
}

.archive-section {
    margin-top: 52px;
}

.section-heading {
    display: block;
    margin-bottom: 0;
}

.section-heading .section-kicker {
    margin-bottom: 22px;
}

.section-heading h2 {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    color: var(--text);
    height: 1px;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.section-heading > p {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

/* 模块区：自适应玻璃卡片网格 */
.modules-grid {
    align-items: stretch !important;
    background: transparent;
    border: 0;
    border-radius: 0;
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    overflow: visible;
}

.modules-grid > .card {
    height: auto !important;
}

.card {
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow), var(--glass-highlight);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    padding: 30px 28px 24px;
    position: relative;
    transition: transform 240ms ease, border-color 240ms ease, background 240ms ease;
}

.card:hover {
    background: rgba(26, 32, 42, 0.62);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-4px);
}

.card-header {
    min-width: 0;
    position: relative;
}

/* 汉字序号作为卡片右上角的低调水印 */
.card-index {
    color: rgba(216, 185, 126, 0.2);
    font-family: var(--font-display);
    font-size: 58px;
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
    position: absolute;
    right: -4px;
    top: -8px;
}

.card-header h2 {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 25px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.3;
    margin: 0;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: break-word;
    padding-right: 56px;
}

.card-header h2 a {
    text-decoration: none;
}

.card-header h2 a:hover,
.card-header h2 a:focus-visible {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.module-desc {
    color: var(--text-muted);
    font-size: 13.5px;
    line-height: 1.65;
    margin-top: 10px;
    padding-left: 0;
    padding-right: 40px;
}

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

.card .article-list {
    flex: 1 1 auto !important;
    margin-top: 18px;
    min-width: 0;
    padding-left: 0;
}

.article-list-entry {
    border-bottom: 1px solid var(--line);
    list-style: none;
}

.article-list-entry:last-child {
    border-bottom: 0;
}

.list-item {
    align-items: center;
    display: flex;
    gap: 20px;
    justify-content: space-between;
    min-height: 52px;
    padding: 10px 2px;
    text-decoration: none;
}

.list-item:hover .item-title,
.list-item:focus-visible .item-title {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.title-wrap {
    align-items: center;
    display: flex;
    gap: 8px;
    min-width: 0;
}

.item-title {
    color: var(--text-secondary);
    font-size: 14.5px;
    line-height: 1.5;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 160ms ease;
    white-space: nowrap;
}

.item-date,
.article-date {
    color: var(--text-muted);
    flex: 0 0 auto;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.sticky-icon,
.protected-icon {
    align-items: center;
    color: var(--accent);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 11px;
    gap: 4px;
}

.sticky-icon:empty {
    display: none !important;
}

.sticky-icon .lucide-icon,
.protected-icon .lucide-icon {
    height: 13px;
    width: 13px;
}

.card-more-row {
    padding-left: 0;
}

.more-btn,
.nav-button,
#article-nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.more-btn {
    align-items: center;
    color: var(--accent);
    display: inline-flex;
    font-size: 13px;
    gap: 8px;
    letter-spacing: 0.06em;
    min-height: 44px;
    text-decoration: none;
    transition: color 160ms ease, gap 160ms ease;
}

.more-btn:hover,
.more-btn:focus-visible {
    color: var(--text);
    gap: 12px;
}

.card-footer {
    align-items: center;
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    display: flex;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    gap: 12px 22px;
    justify-content: space-between;
    margin-top: auto !important;
    padding: 14px 0 0;
}

.modules-state {
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    color: var(--text-muted);
    grid-column: 1 / -1;
    padding: 48px 0;
    text-align: center;
}

.blog-footer {
    align-items: center;
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    display: flex;
    font-size: 12px;
    gap: 24px;
    justify-content: space-between;
    letter-spacing: 0.05em;
    margin-top: 92px;
    padding-top: 26px;
}

.footer-left {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}

.footer-top {
    align-items: center;
    color: var(--text-secondary);
    display: inline-flex;
    gap: 8px;
    min-height: 44px;
    text-decoration: none;
    transition: color 160ms ease;
}

.footer-top .lucide-icon {
    transform: rotate(-90deg);
}

.footer-top:hover,
.footer-top:focus-visible {
    color: var(--text);
}

/* Module archive */
.module-page .apple-blog {
    max-width: 1000px !important;
}

.module-page .module-hero {
    padding: 72px 0 0;
}

.module-page .module-hero .section-kicker {
    margin-bottom: 24px;
}

.module-page .module-title {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 44px !important;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.18;
    margin: 0;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: break-word;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
    text-wrap: balance;
}

.module-page .module-hero > p:last-child {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.65;
    margin: 18px 0 0;
    max-width: 42em;
}

.module-page .apple-blog > .search-wrapper {
    margin: 40px 0 12px;
    max-width: 520px;
}

.module-status {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 0 10px;
}

.module-status[hidden] {
    display: none !important;
}

/* 模块文章目录：整块玻璃面板内的编号行 */
.module-archive-list {
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow), var(--glass-highlight);
    counter-reset: article-row;
    margin-top: 16px !important;
    overflow: hidden;
    padding: 10px 26px !important;
}

.module-archive-list .article-list-entry {
    counter-increment: article-row;
}

.module-page .article-item {
    align-items: center;
    background: transparent !important;
    display: grid;
    gap: 8px 18px;
    grid-template-columns: 36px minmax(0, 1fr) auto 24px;
    min-height: 68px;
    padding: 12px 2px;
    text-decoration: none !important;
}

.module-page .article-row-index {
    color: var(--accent);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    grid-column: 1;
    letter-spacing: 0.06em;
}

.module-page .article-item .article-title {
    align-items: center;
    color: var(--text-secondary);
    display: flex;
    font-size: 16px;
    gap: 8px;
    grid-column: 2;
    line-height: 1.5;
    min-width: 0;
    transition: color 160ms ease;
}

.module-page .article-item .article-date {
    grid-column: 3;
}

.module-page .article-row-arrow {
    color: var(--text-muted);
    grid-column: 4;
    transition: color 160ms ease, transform 160ms ease;
}

.module-page .article-row-arrow .lucide-icon {
    height: 15px;
    width: 15px;
}

.module-page .article-item:hover .article-title,
.module-page .article-item:focus-visible .article-title {
    color: var(--text);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.module-page .article-item:hover .article-row-arrow,
.module-page .article-item:focus-visible .article-row-arrow {
    color: var(--accent);
    transform: translateX(3px);
}

.module-page .no-articles {
    color: var(--text-muted);
    padding: 44px 20px;
    text-align: center;
}

@supports (content-visibility: auto) {
    .module-page .article-list-entry {
        contain-intrinsic-size: auto 68px;
        content-visibility: auto;
    }
}

/* About */
.about-page .apple-blog {
    max-width: 1000px !important;
}

.about-page .language-toggle {
    background: transparent;
    border: 0;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 4px;
    transition: color 160ms ease;
}

.about-page .language-toggle:hover,
.about-page .language-toggle:focus-visible {
    color: var(--text);
}

.about-page .profile-card {
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow), var(--glass-highlight);
    margin-top: 56px;
    padding: 52px 56px 38px;
}

.about-page .profile-header {
    align-items: center;
    display: grid;
    gap: 44px;
    grid-template-columns: minmax(170px, 220px) minmax(0, 1fr);
}

.portrait-column {
    min-width: 0;
}

.about-page .avatar-container {
    aspect-ratio: 4 / 5;
    background: var(--surface-soft);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-highlight);
    height: auto !important;
    max-width: 260px;
    overflow: hidden;
    position: relative;
    width: min(var(--avatar-width, 180px), 100%);
}

.about-page .avatar-container[data-avatar-ratio="3:4"] {
    aspect-ratio: 3 / 4;
}

.about-page .avatar-container[data-avatar-ratio="2:3"] {
    aspect-ratio: 2 / 3;
}

.about-page .avatar,
.about-page .avatar-placeholder {
    height: 100%;
    inset: 0;
    position: absolute;
    width: 100%;
}

.about-page .avatar {
    display: block;
    object-fit: cover;
    object-position: var(--avatar-position-x, 50%) var(--avatar-position-y, 50%);
}

.about-page .avatar-placeholder {
    align-items: center;
    color: var(--accent);
    display: flex;
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 700;
    justify-content: center;
}

.about-page .avatar[hidden],
.about-page .avatar-placeholder[hidden] {
    display: none !important;
}

.about-page .name-title {
    min-width: 0;
}

.profile-kicker {
    color: var(--accent);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.24em;
    margin: 0 0 16px;
}

.about-page .name {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.18;
    margin: 0;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: break-word;
    text-wrap: balance;
}

.about-page .title {
    color: var(--text-secondary);
    display: block;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 14px;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: break-word;
}

.profile-contact-link {
    align-items: center;
    color: var(--text-secondary);
    display: inline-flex;
    font-size: 14px;
    gap: 8px;
    margin-top: 20px;
    min-height: 44px;
    text-decoration: none;
    transition: color 160ms ease;
}

.profile-contact-link:hover,
.profile-contact-link:focus-visible {
    color: var(--text);
}

.about-page .divider {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 44px 0 0;
}

.about-page .section {
    border-top: 1px solid var(--line);
    display: grid;
    gap: 28px;
    grid-template-columns: 150px minmax(0, 1fr);
    padding: 32px 0;
}

.about-page .divider + .section {
    border-top: 0;
}

.about-page .section h2 {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.4;
    margin: 0;
}

.about-page .bio {
    color: var(--text-secondary);
    font-family: var(--font-reading);
    font-size: 17px;
    line-height: 1.8;
    min-width: 0;
}

.about-page .bio p {
    margin: 0 0 0.9em;
}

.about-page .bio p:last-child {
    margin-bottom: 0;
}

.about-page .skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-page .skill {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
    padding: 6px 10px;
}

.about-page .author-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-page .author-list li {
    align-items: baseline;
    border-bottom: 1px solid var(--line);
    display: grid;
    gap: 14px;
    grid-template-columns: 100px minmax(0, 1fr);
    padding: 10px 0;
}

.about-page .author-list li:first-child {
    padding-top: 0;
}

.about-page .author-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.about-page .author-label {
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.about-page .author-value {
    color: var(--text-secondary);
    min-width: 0;
    overflow-wrap: anywhere;
}

.about-page .author-list a {
    text-decoration-color: var(--line-strong);
    text-underline-offset: 0.18em;
}

/* 404 */
.not-found-shell {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.not-found-card {
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow), var(--glass-highlight);
    max-width: 680px;
    padding: 52px;
    width: 100%;
}

.not-found-kicker {
    color: var(--accent);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.24em;
    margin: 0 0 18px;
}

.not-found-code {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 68px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
}

.not-found-card h1 {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.28;
    margin: 22px 0 0;
    text-wrap: balance;
}

.not-found-copy {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin: 18px 0 0;
    max-width: 36em;
}

.not-found-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
}

.not-found-actions a {
    align-items: center;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    display: inline-flex;
    gap: 8px;
    min-height: 44px;
    padding: 9px 16px;
    text-decoration: none;
    transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.not-found-primary {
    background: var(--accent);
    border-color: var(--accent) !important;
    color: #14100a;
}

.not-found-primary:hover,
.not-found-primary:focus-visible {
    background: #e6c98f;
}

.not-found-secondary {
    color: var(--text-secondary);
}

.not-found-secondary:hover,
.not-found-secondary:focus-visible {
    border-color: var(--text);
    color: var(--text);
}

/* Public interaction protection notice */
.site-protection-shield {
    align-items: center;
    background: rgba(8, 10, 14, 0.94);
    display: flex;
    inset: 0;
    justify-content: center;
    opacity: 0;
    padding: 24px;
    pointer-events: none;
    position: fixed;
    transition: opacity 120ms ease;
    z-index: 4000;
}

.site-protection-shield > div {
    background: var(--surface-solid);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow);
    max-width: 460px;
    padding: 24px;
    text-align: center;
}

.site-protection-shield span,
.site-protection-shield strong {
    display: block;
}

.site-protection-shield strong {
    font-size: 18px;
    margin-bottom: 6px;
}

.site-protection-shield span {
    color: var(--text-secondary);
    font-size: 14px;
}

body.is-protection-notice .site-protection-shield,
body.is-devtools-detected .site-protection-shield {
    opacity: 1;
}

body.is-protection-notice .site-protection-shield {
    pointer-events: none;
}

body.is-devtools-detected {
    overflow: hidden;
}

body.is-devtools-detected > :not(.site-protection-shield) {
    visibility: hidden;
}

body.is-devtools-detected .site-protection-shield {
    pointer-events: auto;
    visibility: visible;
}

/* 不支持 backdrop-filter 时退回近实色深色面板，保持层次与可读性 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .site-rail,
    .hero-tools,
    .card,
    .modules-state,
    .module-archive-list,
    .about-page .profile-card,
    .not-found-card {
        background: rgba(17, 21, 28, 0.94);
    }
}

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

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

    .motion-ready [data-reveal] {
        opacity: 1;
        transform: none;
    }

    .card:hover {
        transform: none;
    }
}

@media (pointer: coarse) {
    .hero-contact a,
    .site-rail a,
    .site-rail button,
    .more-btn,
    .footer-top {
        min-height: 44px !important;
        min-width: 44px;
    }
}

@media (max-width: 900px) {
    .home-page .kinetic-hero h1 {
        font-size: calc(44px * var(--home-scale)) !important;
    }
}

@media (min-width: 641px) and (max-width: 900px) {
    .home-page .modules-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .home-page .modules-grid > .card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .home-page .kinetic-hero {
        align-items: start !important;
        grid-template-columns: 1fr;
        padding: 38px 0 0 !important;
    }

    .hero-copy {
        margin-top: 0;
    }

    .home-page .kinetic-hero h1 {
        font-size: calc(42px * var(--home-scale)) !important;
    }

    .hero-tools {
        margin-top: 20px;
        max-width: 560px;
        padding: 0;
        width: 100%;
    }

    .archive-section {
        margin-top: 48px;
    }

    .about-page .profile-card {
        margin-top: 40px;
        padding: 40px 36px 28px;
    }

    .about-page .profile-header {
        align-items: start;
        grid-template-columns: minmax(150px, 190px) minmax(0, 1fr);
    }

    .about-page .name {
        font-size: 38px;
    }

    .about-page .section {
        gap: 16px;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .apple-blog {
        padding: 0 22px 64px !important;
    }

    .site-rail {
        border-radius: 14px;
        flex-wrap: wrap;
        min-height: 56px;
        padding: 8px 12px;
        top: 10px;
    }

    .site-rail .search-wrapper {
        flex: 1 1 100%;
        margin: 6px 0 2px;
        max-width: none;
        order: 3;
    }

    .rail-links {
        gap: 8px;
        padding-right: 4px;
    }

    .rail-links a {
        justify-content: center;
        padding: 0 6px;
    }

    .rail-links a span:last-child {
        position: absolute;
        clip: rect(0 0 0 0);
        clip-path: inset(50%);
        height: 1px;
        overflow: hidden;
        white-space: nowrap;
        width: 1px;
    }

    .home-page .kinetic-hero {
        padding: 32px 0 0 !important;
    }

    .home-page .kinetic-hero h1 {
        font-size: calc(38px * var(--home-scale)) !important;
        letter-spacing: 0.03em !important;
        line-height: 1.2 !important;
    }

    .hero-title-en {
        font-size: 12px;
        letter-spacing: 0.16em;
    }

    .hero-tools {
        padding: 0;
    }

    .archive-section {
        margin-top: 42px;
    }

    .modules-grid {
        gap: 16px;
        grid-template-columns: minmax(0, 1fr);
    }

    .card {
        padding: 24px 20px 20px;
    }

    .card-index {
        font-size: 46px;
        right: -2px;
        top: -6px;
    }

    .card-header h2 {
        font-size: 22px;
        padding-right: 48px;
    }

    .module-desc,
    .card .article-list,
    .card-more-row,
    .card-footer {
        padding-left: 0;
    }

    .list-item {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
        min-height: 60px;
    }

    .item-title {
        overflow: visible;
        white-space: normal;
    }

    .card-footer,
    .blog-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .blog-footer {
        margin-top: 64px;
    }

    .suggestions {
        max-height: min(380px, 56vh);
    }

    .suggestion-item {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .suggestion-main {
        align-self: stretch;
        max-width: 100%;
        width: 100%;
    }

    .suggestion-date {
        max-width: 100%;
        overflow-wrap: anywhere;
        white-space: normal;
    }

    .module-page .module-hero {
        padding: 48px 0 0;
    }

    .module-page .module-title {
        font-size: 36px !important;
    }

    .module-page .apple-blog > .search-wrapper {
        margin-top: 30px;
    }

    .module-archive-list {
        padding: 6px 16px !important;
    }

    .module-page .article-item {
        grid-template-columns: 28px minmax(0, 1fr) 20px;
        min-height: 72px;
    }

    .module-page .article-row-index {
        grid-column: 1;
        grid-row: 1;
    }

    .module-page .article-item .article-title {
        font-size: 16px;
        grid-column: 2;
        grid-row: 1;
    }

    .module-page .article-item .article-date {
        grid-column: 2;
        grid-row: 2;
        padding: 0 !important;
    }

    .module-page .article-row-arrow {
        grid-column: 3;
        grid-row: 1 / 3;
    }

    .about-page .profile-card {
        padding: 30px 22px 20px;
    }

    .about-page .profile-header {
        gap: 24px;
        grid-template-columns: 1fr;
    }

    .about-page .avatar-container {
        height: auto !important;
        max-width: min(var(--avatar-width, 180px), 56vw);
        width: min(var(--avatar-width, 180px), 56vw);
    }

    .about-page .name {
        font-size: 34px;
    }

    .about-page .divider {
        margin-top: 30px;
    }

    .about-page .section {
        padding: 24px 0;
    }

    .about-page .author-list li {
        gap: 4px;
        grid-template-columns: 1fr;
    }

    .not-found-shell {
        padding: 20px;
    }

    .not-found-card {
        padding: 32px 24px;
    }

    .not-found-code {
        font-size: 56px;
    }

    .not-found-card h1 {
        font-size: 27px;
    }
}

@media (max-width: 480px) {
    .apple-blog {
        padding-left: 18px !important;
        padding-right: 18px !important;
    }

    .home-page .kinetic-hero h1 {
        font-size: calc(34px * var(--home-scale)) !important;
    }

    .home-page .kinetic-hero[data-home-title-scale="115"] h1,
    .home-page .kinetic-hero[data-home-title-scale="120"] h1 {
        font-size: 40px !important;
    }

    .module-page .article-item {
        grid-template-columns: minmax(0, 1fr);
        padding-left: 0;
        padding-right: 0;
    }

    .module-page .article-row-index {
        grid-column: 1;
        grid-row: 1;
    }

    .module-page .article-item .article-title {
        grid-column: 1;
        grid-row: 1;
        padding-left: 22px;
    }

    .module-page .article-item .article-date {
        grid-column: 1;
        grid-row: 2;
        padding-left: 22px !important;
    }

    .module-page .article-row-arrow {
        display: none;
    }

    .not-found-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .not-found-actions a {
        justify-content: center;
        width: 100%;
    }
}