/* worm3419 公开站外壳：顶部通栏 + 左侧文章/作品导航 + 居中 1280 栏 + 页脚。
   令牌与基础组件（.panel .tag .dot .btn .pill）来自 /static/shared/tokens.css，这里只加布局和公开站组件。
   视觉以 web/design/sample-template.html 的「公开首页」为准。 */

html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
img { max-width: 100%; }
input, textarea, select { font: inherit; color: inherit; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 8px 12px; border-radius: var(--r-ctl); background: var(--accent); color: #08201b; }
.skip:focus { top: 10px; }
[hidden] { display: none !important; }

/* 居中 1280 栏：顶栏内层与内容区共用，左边线对齐 */
.wd-frame { width: 100%; max-width: 1280px; margin: 0 auto; padding-inline: var(--gutter); }

/* ── 顶部通栏 ── */
.site-bar { position: sticky; top: 0; z-index: 30; background: rgba(15, 19, 26, .94); border-bottom: 1px solid var(--line); }
@supports (backdrop-filter: blur(6px)) { .site-bar { background: rgba(15, 19, 26, .82); backdrop-filter: blur(8px); } }
.site-top { display: flex; align-items: center; gap: 28px; min-height: 66px; padding-block: 12px; }
.mark { position: relative; display: inline-flex; align-items: baseline; gap: 2px; padding: 7px 12px 6px; border: 1px solid var(--line-strong); border-radius: 6px; flex: none; }
.mark b { font: 600 18px/1 var(--sans); letter-spacing: .02em; }
.mark span { font: 500 18px/1 var(--sans); color: var(--accent); }
.mark i { position: absolute; top: -8px; right: 10px; font: normal 10.5px/16px var(--cn); padding: 0 5px; color: var(--fg-3); background: var(--bg); }
.nav { display: flex; gap: 4px; }
.nav a { position: relative; padding: 6px 12px; color: var(--fg-2); border-radius: 6px; white-space: nowrap; }
.nav a:hover { color: var(--fg); background: var(--panel); }
.nav a[aria-current="page"] { color: var(--fg); }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -2px; height: 2px; background: var(--accent); border-radius: 2px; }
.site-top .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.iconbtn { width: 34px; height: 34px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r-ctl); background: transparent; color: var(--fg-2); flex: none; }
.iconbtn:hover { color: var(--fg); border-color: var(--line-strong); }

/* 管理员头像菜单（弹出层：唯一带阴影的层级） */
.me-wrap { position: relative; }
.me { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--raise); border: 1px solid var(--accent-22); font: 600 13px/1 var(--sans); color: var(--fg); }
.me:hover, .me[aria-expanded="true"] { border-color: var(--accent-60); }
.me-chip { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px 0 0; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--fg); cursor: pointer; }
.me-chip:hover, .me-chip[aria-expanded="true"] { border-color: var(--accent-60); }
.me-chip .me { width: 32px; height: 32px; border: 0; }
.me-chip .me-name { font-size: 13.5px; max-width: 10em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#wd-acct { display: inline-flex; align-items: center; gap: 8px; }
@media (max-width: 480px) { .me-chip .me-name { display: none; } .me-chip { padding: 0; } #wd-acct > .btn span { display: none; } }
.menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 228px; padding: 6px; background: var(--raise); border: 1px solid var(--line-strong); border-radius: var(--r-card); box-shadow: 0 12px 32px rgba(0, 0, 0, .45); z-index: 40; }
.menu .who { padding: 8px 10px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; font-size: 12.5px; color: var(--fg-3); }
.menu .who b { display: block; font-weight: 500; font-size: 13.5px; color: var(--fg); margin-bottom: 2px; }
.menu a, .menu button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 8px 10px; border: 0; border-radius: 6px; background: none; color: var(--fg-2); font-size: 13.5px; text-align: left; }
.menu a:hover, .menu button:hover, .menu a:focus-visible, .menu button:focus-visible { background: var(--panel); color: var(--fg); }
.menu svg.i { width: 16px; height: 16px; color: var(--accent); }
.menu .who .kv { display: flex; align-items: center; gap: 7px; margin-top: 3px; min-width: 0; color: var(--fg-2); }
.menu .who .kv > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu .who .kv svg.i { width: 13px; height: 13px; color: var(--fg-3); }
.menu .who .kv.faint { color: var(--fg-3); }
/* 普通用户头像：主色 10% 底，和管理员（中性底）区分 */
.me.u { background: var(--accent-10); color: var(--accent); }

/* ── 主体：左侧导航 + 内容 ── */
.site-wrap { flex: 1; width: 100%; max-width: none; padding-inline: 0; align-content: start; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 0; }
.site-main { width: min(100%, 1060px); min-width: 0; margin-inline: auto; padding: 0 var(--gutter) 72px; }
.site-main.solo { grid-column: 1 / -1; }

/* ── 博客总入口：文章、作品、工具三类内容的聚合页 ── */
.home-main { padding-block: 34px 72px; }
.home-intro { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); gap: clamp(28px, 5vw, 72px); align-items: end; padding: 18px 0 36px; border-bottom: 1px solid var(--line); }
.home-intro h1 { margin: 9px 0 8px; font: 650 clamp(38px, 6vw, 64px)/1 var(--sans); letter-spacing: -.04em; }
.home-intro h1 em { color: var(--accent); font-style: normal; }
.home-intro p { margin: 0; max-width: 34em; color: var(--fg-2); font-size: 16px; }
.home-directory { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.home-directory a { min-width: 0; padding: 17px 15px 14px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; align-items: center; }
.home-directory a:hover { border-color: var(--accent-60); background: var(--raise); }
.home-directory b { font-weight: 550; }
.home-directory small { grid-column: 2; color: var(--fg-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.home-kind-icon { grid-row: 1 / 3; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 8px; color: var(--accent); background: var(--accent-10); border: 1px solid var(--accent-22); }
.home-kind-icon .i { width: 20px; height: 20px; }
.home-posts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.home-post { padding: 20px; }
.home-post:hover { border-color: var(--accent-22); background: var(--raise); }
.home-post h3 { margin: 7px 0 7px; font: 600 18px/1.45 var(--cn); }
.home-post p { margin: 0 0 12px; color: var(--fg-2); font-size: 13.5px; line-height: 1.65; }
.home-post .post-meta, .home-post .post-tags { display: flex; gap: 7px; flex-wrap: wrap; color: var(--fg-3); font-size: 12px; }
.home-post .post-tag { padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--fg-2); }
.home-post .post-tag:hover { border-color: var(--accent-60); color: var(--fg); }
.home-works { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 14px; }
.home-work { overflow: hidden; }
.home-work:hover { border-color: var(--accent-22); background: var(--raise); }
.home-work-cover { position: relative; display: block; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--raise), var(--accent-10)); border-bottom: 1px solid var(--line); overflow: hidden; }
.home-work-cover img { width: 100%; height: 100%; object-fit: cover; }
.home-work-cover i { position: absolute; left: 9px; top: 9px; padding: 2px 7px; border-radius: 4px; background: rgba(15,19,26,.86); color: var(--fg); font: normal 11px/18px var(--num); }
.home-card-body { display: grid; gap: 6px; padding: 13px 14px 14px; }
.home-card-body b { font: 550 14.5px/1.45 var(--cn); }
.home-card-body small { color: var(--fg-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.home-policy { display: flex; margin-top: 3px; }
.home-tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 14px; }
.home-tool { display: grid; grid-template-columns: 116px minmax(0, 1fr); min-height: 112px; overflow: hidden; }
.home-tool:hover { border-color: var(--accent-22); background: var(--raise); }
.home-tool-cover { min-width: 0; display: grid; place-items: center; overflow: hidden; background: #0b0f14; border-right: 1px solid var(--line); }
.home-tool-cover img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.86) contrast(.96); transition: transform .3s cubic-bezier(.22, 1, .36, 1), filter .3s; }
.home-tool:hover .home-tool-cover img { transform: scale(1.025); filter: saturate(.96) contrast(1); }
.home-tool-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 8px; color: var(--accent); background: var(--accent-10); border: 1px solid var(--accent-22); }
.home-tool-icon .i { width: 21px; height: 21px; }
.home-tool-body { min-width: 0; padding: 14px 15px; display: flex; flex-direction: column; }
.home-tool b { display: flex; align-items: center; gap: 8px; font-weight: 550; }
.home-tool small { display: -webkit-box; margin-top: 4px; color: var(--fg-3); line-height: 1.45; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.home-tool .home-policy { margin-top: auto; padding-top: 8px; }
.home-loading { grid-column: 1 / -1; padding: 22px; color: var(--fg-3); }

.sidenav { position: sticky; top: 67px; align-self: start; max-height: calc(100vh - 67px); overflow-y: auto; padding: 32px 16px 32px var(--gutter); display: grid; gap: 24px; border-right: 1px solid var(--line); }
.sidenav > *, .sidenav details { min-width: 0; }
.sn-title { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 13.5px; font-weight: 500; color: var(--fg); }
.sn-title svg.i { width: 16px; height: 16px; color: var(--accent); }
.sn-sub { margin: 12px 0 4px 10px; font-size: 12px; color: var(--fg-3); }
.sidenav a, .sidenav summary { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 6px; font-size: 13.5px; color: var(--fg-2); cursor: pointer; }
.sidenav a > span, .sidenav summary > span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidenav b { font-weight: 400; font-size: 12px; color: var(--fg-3); }
.sidenav a:hover, .sidenav summary:hover { background: var(--panel); color: var(--fg); }
.sidenav a[aria-current="page"], .sidenav a[aria-current="location"] { background: var(--panel); color: var(--fg); box-shadow: inset 2px 0 0 var(--accent); }
.sidenav summary { list-style: none; }
.sidenav summary::-webkit-details-marker { display: none; }
.sidenav summary::before { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--fg-3); border-bottom: 1.5px solid var(--fg-3); transform: rotate(-45deg); transition: transform .2s; margin-right: 2px; flex: none; }
.sidenav details[open] summary::before { transform: rotate(45deg); }
.sidenav a.ep { padding-left: 26px; font-size: 13px; }
.sidenav a.ep i { font-style: normal; font-size: 11.5px; color: var(--fg-3); margin-right: 6px; font-family: var(--num); }
.sidenav .lk { width: 13px; height: 13px; color: var(--fg-3); }
.sidenav .sk { height: 12px; margin: 10px; border-radius: 4px; background: var(--panel); }

/* ── 页面头图带：标题 + 一句状态 + 该页图标的大号线稿 ── */
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; padding-block: 40px 30px; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero h1 { margin: 0 0 8px; font: 600 clamp(26px, 3.4vw, 34px)/1.2 var(--cn); letter-spacing: .01em; }
.hero p { margin: 0; max-width: 40em; color: var(--fg-2); }
.hero .stats { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 14px; font-size: 13px; color: var(--fg-3); }
.hero .stats span { display: inline-flex; align-items: center; gap: 6px; }
.hero .stats b { font: 500 13px/1 var(--num); color: var(--fg); }
.hero .art { width: 168px; height: 112px; color: var(--accent); opacity: .9; }
.hero .art svg { width: 100%; height: 100%; display: block; }

.sec { padding-top: 40px; scroll-margin-top: 80px; }
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.sec-head h2 { margin: 0; font: 600 20px/1.3 var(--cn); }
.sec-head .sub { font-size: 13px; color: var(--fg-3); }
.sec-head .more { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; color: var(--fg-2); font-size: 13.5px; }
.sec-head .more:hover { color: var(--accent); }
.meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 12.5px; color: var(--fg-3); }

/* 筛选条 */
.chips { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 22px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line-strong); background: transparent; color: var(--fg-2); font-size: 13px; }
.chip:hover { color: var(--fg); border-color: var(--accent-60); }
.chip[aria-pressed="true"] { color: var(--fg); background: var(--accent-10); border-color: var(--accent-60); }
.chip b { font: 500 11.5px/1 var(--num); color: var(--fg-3); }

/* ── 作品卡 ── */
.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 16px; }
.work { overflow: hidden; display: flex; flex-direction: column; transition: background .2s, border-color .2s; scroll-margin-top: 90px; }
.work:hover, .work:focus-within { background: var(--raise); border-color: var(--accent-22); }
.work .cover { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #0a0d12; border-bottom: 1px solid var(--line); }
.work .cover img, .work .cover svg.ph { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s cubic-bezier(.22, 1, .36, 1); }
.work:hover .cover img { transform: scale(1.035); }
.work .ep { position: absolute; left: 10px; top: 10px; padding: 1px 7px; border-radius: 4px; font: 500 11.5px/18px var(--num); color: var(--fg); background: rgba(15, 19, 26, .82); border: 1px solid var(--line-strong); }
.work .lockbadge { position: absolute; right: 10px; top: 10px; height: 24px; padding: 0 7px; display: inline-flex; align-items: center; gap: 5px; border-radius: 6px; color: var(--fg); background: rgba(15, 19, 26, .86); font-size: 12px; }
.work .lockbadge svg.i { width: 13px; height: 13px; }
.work .lockbadge.open { color: var(--accent); }
.work .body { padding: 13px 14px 14px; flex: 1; display: flex; flex-direction: column; }
.work h3 { margin: 0 0 6px; font: 500 15px/1.45 var(--cn); text-wrap: balance; }
.work p { margin: 0 0 12px; font-size: 13px; color: var(--fg-3); }
.work .meta { margin-top: auto; }
.work .meta .act { margin-left: auto; display: flex; gap: 6px; }
.work .btn svg.i { width: 14px; height: 14px; }
.series-panel { padding: 26px 18px 18px; }

/* ── 工具卡 ── */
.tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.tool { min-height: 142px; display: grid; grid-template-columns: 140px minmax(0, 1fr); overflow: hidden; transition: background .2s, border-color .2s; }
.tool:hover, .tool:focus-visible { background: var(--raise); border-color: var(--accent-22); }
.tool-thumb { min-width: 0; display: grid; place-items: center; overflow: hidden; background: #0b0f14; border-right: 1px solid var(--line); }
.tool-thumb > img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.86) contrast(.96); transition: transform .3s cubic-bezier(.22, 1, .36, 1), filter .3s; }
.tool:hover .tool-thumb > img { transform: scale(1.025); filter: saturate(.96) contrast(1); }
.tool .ico { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--accent-22); background: var(--accent-10); color: var(--accent); }
.tool .ico svg.i { width: 24px; height: 24px; }
.tool-card-body { min-width: 0; display: flex; flex-direction: column; padding: 16px; }
.tool-heading { display: flex; align-items: center; gap: 8px; }
.tool h3 { margin: 0; font: 500 16px/1.4 var(--cn); display: flex; align-items: center; gap: 7px; }
.tool h3 svg.i { width: 16px; height: 16px; color: var(--accent); }
.tool p { margin: 5px 0 12px; font-size: 13.5px; color: var(--fg-2); }
.tool .row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tool .state { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--fg-2); }
.tool .state.off { color: var(--fg-3); }
.tool .go { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--fg-3); }
.tool:hover .go { color: var(--accent); }
.tool .go svg.i { width: 15px; height: 15px; }
.legend { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; font-size: 12.5px; color: var(--fg-3); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend svg.i { width: 14px; height: 14px; }

/* ── 空状态 / 出错 ── */
.empty { padding: 26px 22px 22px; display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 20px; align-items: center; }
.empty svg.art { width: 110px; height: 84px; color: var(--accent); }
.empty h3 { margin: 0 0 4px; font: 500 15px/1.4 var(--cn); }
.empty p { margin: 0 0 12px; font-size: 13.5px; color: var(--fg-2); }
.note { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: var(--r-ctl); font-size: 13.5px; background: var(--raise); color: var(--fg-2); }
.note svg.i { width: 16px; height: 16px; margin-top: 3px; }
.note.warn { color: var(--warn); background: rgba(227, 179, 65, .08); }
.note.bad { color: var(--bad); background: rgba(242, 84, 91, .08); }
.note.ok { color: var(--accent); background: var(--accent-10); }

/* ── 表单（密码门、登录） ── */
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; color: var(--fg-2); }
.input { width: 100%; height: 40px; padding: 0 12px; background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--r-ctl); color: var(--fg); font-size: 15px; }
.input:hover { border-color: rgba(230, 237, 243, .22); }
.input:focus { outline: none; border-color: var(--accent-60); box-shadow: 0 0 0 3px var(--accent-10); }
.input[aria-invalid="true"] { border-color: rgba(242, 84, 91, .6); }
.input:disabled { opacity: .55; cursor: not-allowed; }
.pw { position: relative; }
.pw .input { padding-right: 44px; }
.pw .eye { position: absolute; right: 4px; top: 4px; width: 32px; height: 32px; display: grid; place-items: center; border: 0; background: none; color: var(--fg-3); border-radius: 4px; }
.pw .eye:hover { color: var(--fg); }
.btn.big { height: 40px; padding: 0 16px; font-size: 14.5px; justify-content: center; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary:hover { background: #7aebd3; border-color: #7aebd3; color: #08201b; }
.btn.ghost { border-color: transparent; }
.btn.ghost:hover { border-color: var(--line-strong); }
.linkbtn { border: 0; background: none; padding: 0; color: var(--fg-2); font-size: 13.5px; text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.linkbtn:hover { color: var(--accent); text-decoration-color: var(--accent-60); }
.spin { width: 15px; height: 15px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 居中单卡（密码门、登录） */
.auth { flex: 1; display: grid; place-items: center; padding: 48px var(--gutter) 64px; }
.auth-card { width: 100%; max-width: 440px; padding: 30px 28px 26px; }
.auth-card h1 { margin: 0 0 6px; font: 600 22px/1.35 var(--cn); }
.auth-card .lead { margin: 0 0 22px; color: var(--fg-2); font-size: 14px; }
.auth-card form { display: grid; gap: 14px; }
.auth-card .hint { display: flex; gap: 8px; align-items: center; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--fg-3); }
.auth-card .hint svg.i { width: 14px; height: 14px; }

/* ── 页脚 ── */
.foot { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--fg-3); }
.foot a:hover { color: var(--accent); }
.foot .r { margin-left: auto; display: flex; gap: 16px; }
.foot-bar { border-top: 1px solid var(--line); }
.foot-bar .foot { margin-top: 0; padding-block: 18px 22px; border-top: 0; }

/* ── 窄屏 ── */
@media (max-width: 960px) {
  .site-wrap { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .sidenav { position: static; max-height: none; border-right: 0; border-bottom: 1px solid var(--line); padding: 12px var(--gutter); display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
  .sidenav::-webkit-scrollbar { display: none; }
  .sidenav .sn-group { display: contents; }
  .sidenav .sn-title, .sidenav .sn-sub, .sidenav details, .sidenav .m-hide { display: none; }
  .sidenav a { flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
  .sidenav a[aria-current] { box-shadow: none; border-color: var(--accent-60); }
}
@media (max-width: 720px) {
  .site-top { gap: 12px; flex-wrap: wrap; min-height: 0; padding-block: 12px 0; }
  .nav { order: 3; width: 100%; margin-inline: -12px; overflow-x: auto; scrollbar-width: none; }
  .nav a { padding: 8px 12px 10px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 26px 22px; }
  .hero .art { display: none; }
  .sidenav { top: 0; }
  .empty { grid-template-columns: minmax(0, 1fr); }
  .home-intro { grid-template-columns: minmax(0, 1fr); }
  .home-posts { grid-template-columns: minmax(0, 1fr); }
  .auth { padding-top: 28px; place-items: start center; }
  .auth-card { padding: 26px 18px 20px; }
}
@media (max-width: 480px) {
  .site-top .right .btn span { display: none; }
  .foot .r { margin-left: 0; }
  .home-directory { grid-template-columns: minmax(0, 1fr); }
  .home-tool { grid-template-columns: 104px minmax(0, 1fr); }
  .tool { grid-template-columns: 112px minmax(0, 1fr); }
  .tool-card-body { padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .work:hover .cover img, .home-tool:hover .home-tool-cover img, .tool:hover .tool-thumb > img { transform: none; }
}

/* 顶部导航通栏铺满（和 Ghost 博客主题一致：logo 贴左、登录贴右），内容区仍是居中 1280 栏 */
.site-bar .wd-frame { max-width: none; }