@charset "utf-8";
/* ============================================================
   青柠社区 · 三栏 BBS 主题
   作者：qingning  |  版本：1.0.0
   结构：变量 → 基础 → 头部 → 弹层 → 三栏 → 侧栏 → 列表
        → 帖子 → 画廊 → 下载 → 评论 → 会员中心 → 页脚 → 响应式
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
    --primary: #2b6cf6;
    --primary-2: color-mix(in srgb, var(--primary) 62%, #06b6d4);
    --primary-soft: color-mix(in srgb, var(--primary) 9%, #ffffff);
    --primary-soft-2: color-mix(in srgb, var(--primary) 16%, #ffffff);
    --primary-line: color-mix(in srgb, var(--primary) 28%, #ffffff);
    --bg: #f2f5fb;
    --bg-2: #eaeff8;
    --card: #ffffff;
    --card-2: #f7f9fd;
    --line: #e5eaf3;
    --line-2: #d9e1ee;
    --text: #16202f;
    --text-2: #47566d;
    --muted: #8593a8;
    --danger: #e2574c;
    --warn: #f0a03c;
    --ok: #20a97c;
    --shadow-sm: 0 1px 2px rgba(18, 32, 63, .05);
    --shadow: 0 10px 30px rgba(18, 32, 63, .07);
    --shadow-lg: 0 24px 60px rgba(18, 32, 63, .14);
    --radius: 16px;
    --radius-sm: 10px;
    --head-h: 66px;
    --container: 1200px;
}
html[data-theme="night"] {
    --primary-soft: color-mix(in srgb, var(--primary) 22%, #0d1117);
    --primary-soft-2: color-mix(in srgb, var(--primary) 30%, #0d1117);
    --primary-line: color-mix(in srgb, var(--primary) 45%, #0d1117);
    --bg: #0b0f16;
    --bg-2: #10151f;
    --card: #151b26;
    --card-2: #1a212e;
    --line: #242e3d;
    --line-2: #2f3b4d;
    --text: #e8eef9;
    --text-2: #a9b7cd;
    --muted: #7e8ca3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, .5);
}

/* ---------- 2. 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    transition: background-color .25s ease, color .25s ease;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; border: 0; vertical-align: middle; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.2px; }
p { margin: 0; }
svg { fill: currentColor; }
::selection { background: var(--primary-soft-2); color: var(--text); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.site-main { min-height: 60vh; }
.muted { color: var(--muted); }

/* 通用按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 38px; padding: 0 16px; border: 1px solid transparent; border-radius: 10px;
    font-size: 14px; font-weight: 600; white-space: nowrap;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease, border-color .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 28%, transparent);
}
.btn-primary:hover { color: #fff; box-shadow: 0 10px 22px color-mix(in srgb, var(--primary) 34%, transparent); }
.btn-ghost { background: var(--card); border-color: var(--line); color: var(--text-2); }
.btn-ghost:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }
.btn-text { background: transparent; color: var(--text-2); }
.btn-text:hover { color: var(--primary); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { height: 44px; padding: 0 24px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }
.link-btn { border: 0; background: none; color: var(--primary); font-weight: 600; padding: 0 2px; }

/* 徽标 */
.chip {
    display: inline-flex; align-items: center; height: 20px; padding: 0 7px;
    border-radius: 6px; font-size: 11px; font-weight: 700; line-height: 1; letter-spacing: 0;
    background: var(--bg-2); color: var(--text-2); vertical-align: 2px;
}
.chip-top { background: color-mix(in srgb, #ff8a3d 14%, #fff); color: #e2691b; }
.chip-draft { background: color-mix(in srgb, #94a3b8 16%, #fff); color: #64748b; }
.chip-audit { background: color-mix(in srgb, #f0a03c 16%, #fff); color: #c47a17; }
.chip-board { background: var(--primary-soft); color: var(--primary); }
.chip-page { background: var(--primary-soft); color: var(--primary); }
.t-discuss { background: color-mix(in srgb, #3b82f6 12%, #fff); color: #2b6cf6; }
.t-help { background: color-mix(in srgb, #ef4444 12%, #fff); color: #d64545; }
.t-share { background: color-mix(in srgb, #10b981 13%, #fff); color: #0f9b74; }
.t-notice { background: color-mix(in srgb, #f59e0b 15%, #fff); color: #c47a17; }
.t-res { background: color-mix(in srgb, #8b5cf6 13%, #fff); color: #7c4dff; }
html[data-theme="night"] .chip-top { background: rgba(255, 138, 61, .16); color: #ffa562; }
html[data-theme="night"] .chip-draft { background: rgba(148, 163, 184, .18); color: #b4c0d3; }
html[data-theme="night"] .chip-audit { background: rgba(240, 160, 60, .18); color: #ffbd63; }
html[data-theme="night"] .t-discuss { background: rgba(59, 130, 246, .18); color: #8bb4ff; }
html[data-theme="night"] .t-help { background: rgba(239, 68, 68, .18); color: #ff8f8f; }
html[data-theme="night"] .t-share { background: rgba(16, 185, 129, .18); color: #63e0bb; }
html[data-theme="night"] .t-notice { background: rgba(245, 158, 11, .18); color: #ffc978; }
html[data-theme="night"] .t-res { background: rgba(139, 92, 246, .2); color: #c0a6ff; }

.lv-chip {
    display: inline-flex; align-items: center; height: 19px; padding: 0 6px;
    border-radius: 5px; font-size: 11px; font-weight: 700; font-style: normal;
    color: color-mix(in srgb, var(--primary) 70%, #000 10%);
    background: var(--primary-soft);
    border: 1px solid var(--primary-line);
}

/* Markdown 正文 */
.markdown { font-size: 15.5px; line-height: 1.9; word-wrap: break-word; overflow-wrap: break-word; }
.markdown > *:first-child { margin-top: 0; }
.markdown h1, .markdown h2, .markdown h3, .markdown h4 { margin: 28px 0 12px; line-height: 1.45; color: var(--text); }
.markdown h1 { font-size: 24px; }
.markdown h2 { font-size: 20px; padding-left: 12px; border-left: 4px solid var(--primary); }
.markdown h3 { font-size: 17px; }
.markdown p { margin: 0 0 14px; }
.markdown a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.markdown img {
    max-width: 100%; height: auto; border-radius: 10px; display: block; margin: 16px auto;
    cursor: zoom-in; background: var(--card-2); border: 1px solid var(--line);
}
.markdown blockquote {
    margin: 16px 0; padding: 12px 16px; border-left: 3px solid var(--primary-line);
    background: var(--card-2); border-radius: 0 10px 10px 0; color: var(--text-2);
}
.markdown pre {
    margin: 16px 0; padding: 16px 18px; overflow: auto; border-radius: 12px;
    background: #0f172a; color: #d7e2f5; font: 13.5px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.markdown code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.markdown :not(pre) > code { padding: 2px 6px; border-radius: 5px; background: var(--card-2); color: color-mix(in srgb, var(--primary) 75%, #000 10%); }
.markdown hr { margin: 24px 0; border: 0; border-top: 1px dashed var(--line-2); }
.markdown ul, .markdown ol { margin: 0 0 14px; padding-left: 22px; list-style: initial; }
.markdown ol { list-style: decimal; }
.markdown li { margin: 4px 0; }
.markdown table { width: 100%; margin: 16px 0; border-collapse: collapse; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.markdown th, .markdown td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; font-size: 14px; }
.markdown th { background: var(--card-2); font-weight: 700; }
.markdown video, .markdown iframe { width: 100%; max-width: 100%; border-radius: 10px; border: 0; }

/* ---------- 3. 头部 ---------- */
.site-head {
    position: sticky; top: 0; z-index: 100;
    height: var(--head-h);
    background: color-mix(in srgb, var(--card) 86%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
}
.head-in { height: var(--head-h); display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand:hover { color: inherit; }
.brand-mark {
    width: 36px; height: 36px; border-radius: 11px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 17px; font-weight: 800; color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 30%, transparent);
    letter-spacing: 0;
}
.brand-img { height: 38px; width: auto; border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 800; letter-spacing: -.3px; }
.brand-sub { font-size: 11px; color: var(--muted); margin-top: 3px; max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.top-nav { flex: 1 1 auto; min-width: 0; }
.top-nav ul { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-item > a {
    display: inline-flex; align-items: center; height: 34px; padding: 0 12px;
    border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--text-2);
    transition: background .16s, color .16s;
}
.nav-item > a:hover, .nav-item.active > a, .nav-item:hover > a { color: var(--primary); background: var(--primary-soft); }
.nav-drop {
    position: absolute; left: 0; top: 100%; padding-top: 8px;
    opacity: 0; visibility: hidden; transform: translateY(4px);
    transition: .18s ease;
}
.nav-item:hover .nav-drop { opacity: 1; visibility: visible; transform: none; }
.nav-drop ul {
    min-width: 150px; padding: 6px; background: var(--card); border: 1px solid var(--line);
    border-radius: 12px; box-shadow: var(--shadow); display: block;
}
.nav-drop li a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 13.5px; color: var(--text-2); }
.nav-drop li a:hover { background: var(--primary-soft); color: var(--primary); }

.head-act { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-left: auto; }
.icon-btn {
    width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--text-2);
    transition: background .16s, color .16s;
}
.icon-btn:hover { background: var(--primary-soft); color: var(--primary); }
.icon-btn svg { width: 19px; height: 19px; }
.night-btn .ico-sun { display: none; }
html[data-theme="night"] .night-btn .ico-moon { display: none; }
html[data-theme="night"] .night-btn .ico-sun { display: block; }
.btn-post {
    height: 36px; padding: 0 16px; border-radius: 999px; color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 26%, transparent);
}
.btn-post svg { width: 16px; height: 16px; }
.btn-post:hover { color: #fff; transform: translateY(-1px); }
.head-login { height: 36px; }
.head-signup { height: 36px; }

.user-menu { position: relative; }
.user-chip {
    display: flex; align-items: center; gap: 7px; height: 40px; padding: 0 10px 0 4px;
    background: var(--card-2); border: 1px solid var(--line); border-radius: 999px;
    transition: border-color .16s, background .16s;
}
.user-chip:hover { border-color: var(--primary-line); background: var(--primary-soft); }
.user-chip img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.u-name { font-size: 13px; font-weight: 700; max-width: 96px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.u-lv { font-size: 10px; font-weight: 800; color: var(--primary); background: var(--primary-soft); border-radius: 4px; padding: 2px 4px; }
.user-drop {
    position: absolute; right: 0; top: calc(100% + 8px); width: 246px;
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    box-shadow: var(--shadow-lg); padding: 14px;
    opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s ease; z-index: 20;
}
.user-menu:hover .user-drop, .user-menu.open .user-drop { opacity: 1; visibility: visible; transform: none; }
.ud-head { display: flex; gap: 10px; align-items: center; }
.ud-head img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.ud-head b { display: block; font-size: 14px; }
.ud-head span { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.ud-bar { height: 5px; border-radius: 99px; background: var(--bg-2); margin: 12px 0; overflow: hidden; }
.ud-bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }
.ud-links { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; border-top: 1px solid var(--line); padding-top: 8px; }
.ud-links a { padding: 8px 10px; border-radius: 8px; font-size: 13px; color: var(--text-2); }
.ud-links a:hover { background: var(--primary-soft); color: var(--primary); }
.ud-out { grid-column: 1 / -1; color: var(--muted) !important; }

.drawer-btn { display: none; }

/* ---------- 4. 抽屉 & 弹层 ---------- */
.drawer-mask, .modal-mask {
    position: fixed; inset: 0; background: rgba(12, 20, 36, .5); z-index: 200;
    opacity: 0; visibility: hidden; transition: .2s ease;
    backdrop-filter: blur(2px);
}
.drawer {
    position: fixed; left: 0; top: 0; bottom: 0; width: 280px; z-index: 210;
    background: var(--card); box-shadow: var(--shadow-lg);
    transform: translateX(-100%); transition: transform .24s cubic-bezier(.2, .8, .2, 1);
    display: flex; flex-direction: column;
}
.drawer.open { transform: none; }
.drawer-mask.show { opacity: 1; visibility: visible; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); font-weight: 700; }
.drawer-list { flex: 1; overflow: auto; padding: 10px; }
.drawer-list a { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.drawer-list a.is-on { background: var(--primary-soft); color: var(--primary); }
.d-ico { width: 26px; height: 26px; border-radius: 7px; color: #fff; font-size: 12px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.drawer-foot { padding: 14px; border-top: 1px solid var(--line); }

.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: .2s ease; }
.modal.open { opacity: 1; visibility: visible; }
.modal-mask { z-index: 0; }
.modal.open .modal-mask { opacity: 1; visibility: visible; }
.modal-box {
    position: relative; z-index: 1; width: 100%; max-width: 460px;
    background: var(--card); border: 1px solid var(--line); border-radius: 18px;
    box-shadow: var(--shadow-lg); padding: 26px;
    transform: translateY(10px) scale(.98); transition: transform .22s ease;
}
.modal.open .modal-box { transform: none; }
.modal-x { position: absolute; right: 12px; top: 10px; width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 22px; line-height: 1; }
.modal-x:hover { background: var(--bg-2); color: var(--text); }
.search-box h3 { font-size: 20px; margin-bottom: 14px; }
.search-form { display: flex; gap: 8px; }
.search-form input {
    flex: 1; height: 42px; padding: 0 14px; border: 1px solid var(--line);
    border-radius: 10px; background: var(--card-2); outline: none; transition: border-color .16s, background .16s;
}
.search-form input:focus { border-color: var(--primary); background: var(--card); }
.search-hot { margin-top: 18px; }
.search-hot p { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
    padding: 5px 10px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--line);
    font-size: 12.5px; color: var(--text-2); transition: .16s;
}
.tag-cloud a:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }

.auth-box { max-width: 400px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--card-2); padding: 4px; border-radius: 10px; margin-bottom: 18px; }
.auth-tab { height: 34px; border: 0; border-radius: 8px; background: transparent; font-weight: 700; font-size: 14px; color: var(--text-2); }
.auth-tab.is-on { background: var(--card); color: var(--primary); box-shadow: var(--shadow-sm); }
.auth-pane { display: none; }
.auth-pane.is-on { display: block; }
.auth-pane label { display: block; margin-bottom: 12px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.auth-pane input[type="text"], .auth-pane input[type="password"], .auth-pane input[type="email"] {
    display: block; width: 100%; height: 42px; margin-top: 6px; padding: 0 13px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--card-2);
    outline: none; transition: .16s; font-size: 14px; color: var(--text);
}
.auth-pane input:focus { border-color: var(--primary); background: var(--card); box-shadow: 0 0 0 3px var(--primary-soft); }
.captcha-wrap { display: flex; gap: 8px; align-items: center; }
.captcha-wrap input { flex: 1; }
.captcha-wrap img { width: 116px; height: 42px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line); background: #fff; }
.check-row { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-2); font-weight: 500 !important; }
.check-row input { accent-color: var(--primary); }
.auth-alert { display: none; margin-bottom: 12px; padding: 9px 12px; border-radius: 9px; font-size: 13px; background: color-mix(in srgb, var(--danger) 10%, #fff); color: var(--danger); }
.auth-alert.show { display: block; }
.auth-alert.ok { background: color-mix(in srgb, var(--ok) 12%, #fff); color: var(--ok); }
.auth-hint { margin: 0 0 12px; font-size: 12px; color: var(--warn); }
.auth-foot { margin-top: 14px; font-size: 12.5px; color: var(--muted); text-align: center; }
.auth-foot a { color: var(--primary); }

/* ---------- 5. 三栏布局 ---------- */
.layout {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr) 300px;
    gap: 18px;
    align-items: start;
    padding: 20px 20px 44px;
}
.site-main > .container.layout { max-width: var(--container); }
.col-left { min-width: 0; }
.col-main { min-width: 0; }
.col-right { min-width: 0; }
.rail-sticky { position: sticky; top: calc(var(--head-h) + 18px); display: flex; flex-direction: column; gap: 16px; }

/* 侧栏卡片 */
.side-card, .rail-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.side-card { padding: 16px 14px; margin-bottom: 16px; }
.side-head { display: flex; align-items: center; justify-content: space-between; padding: 0 4px 12px; }
.side-head h3 { font-size: 14px; letter-spacing: 0; }
.side-num { font-size: 11px; color: var(--muted); background: var(--card-2); border-radius: 99px; padding: 2px 8px; }

/* 板块导航 */
.board-list li + li { margin-top: 2px; }
.board-list a {
    position: relative; display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; border-radius: 10px; transition: background .16s, color .16s;
}
.board-list a:hover { background: var(--card-2); }
.board-list a.is-on { background: var(--primary-soft); }
.board-list a.is-on .board-name { color: var(--primary); font-weight: 700; }
.board-list a.is-on::before {
    content: ""; position: absolute; left: 2px; top: 50%; transform: translateY(-50%);
    width: 3px; height: 18px; border-radius: 3px; background: var(--primary);
}
.board-ico {
    width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 12.5px; font-weight: 800; overflow: hidden;
}
.board-ico svg { width: 15px; height: 15px; fill: #fff; }
.board-name { flex: 1; min-width: 0; font-size: 13.5px; font-weight: 600; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-count { font-size: 11px; color: var(--muted); background: var(--card-2); padding: 1px 7px; border-radius: 99px; }
.board-add {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    margin-top: 12px; height: 36px; border-radius: 9px;
    background: var(--primary-soft); color: var(--primary); font-size: 13px; font-weight: 700;
    border: 1px dashed var(--primary-line); transition: .16s;
}
.board-add:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.board-add svg { width: 15px; height: 15px; }

/* 快捷入口 */
.quick-card { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; padding: 8px; }
.quick-card a {
    display: flex; align-items: center; gap: 7px; padding: 10px 9px;
    border-radius: 9px; font-size: 12.5px; color: var(--text-2);
}
.quick-card a:hover { background: var(--primary-soft); color: var(--primary); }
.quick-card svg { width: 15px; height: 15px; color: var(--muted); }
.quick-card a:hover svg { color: var(--primary); }

/* 右侧栏卡片内容 */
.rail-card { padding: 16px; }
.rail-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.rail-head h3 { font-size: 14px; }
.rail-more { font-size: 12px; color: var(--muted); }
.rail-more:hover { color: var(--primary); }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat-cell { background: var(--card-2); border-radius: 10px; padding: 12px 6px; text-align: center; }
.stat-cell b { display: block; font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: -.5px; }
.stat-cell span { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.stat-note { margin-top: 10px; font-size: 11.5px; color: var(--muted); }

.join-box p { font-size: 12.5px; color: var(--text-2); line-height: 1.7; }
.join-actions { display: flex; gap: 8px; margin-top: 12px; }
.join-actions .btn { flex: 1; }

.sign-box .sign-info { display: flex; align-items: baseline; gap: 6px; margin-bottom: 10px; }
.sign-box .sign-info b { font-size: 22px; color: var(--primary); letter-spacing: -.5px; }
.sign-box .sign-info span { font-size: 11.5px; color: var(--muted); }
.sign-tip { margin-top: 9px; font-size: 11.5px; color: var(--muted); text-align: center; }

.hot-list li { display: flex; align-items: center; gap: 9px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.hot-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.rank {
    width: 18px; height: 18px; flex-shrink: 0; border-radius: 5px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11px; font-style: normal; font-weight: 800; color: var(--muted); background: var(--card-2);
}
.rank.top { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.hot-list a { flex: 1; min-width: 0; font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hot-list a:hover { color: var(--primary); }
.hot-views { font-size: 11px; color: var(--muted); flex-shrink: 0; }

.user-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.user-cell { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 9px 4px; border-radius: 10px; transition: background .16s; }
.user-cell:hover { background: var(--card-2); }
.user-cell img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.user-cell b { font-size: 11.5px; font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.user-cell span { font-size: 10px; color: var(--muted); }

.notice-text { font-size: 12.5px; line-height: 1.9; color: var(--text-2); }
.mini-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); }
.mini-list li:last-child { border-bottom: 0; }
.mini-list a { display: block; font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-list a:hover { color: var(--primary); }
.mini-list time { font-size: 11px; color: var(--muted); }
.link-list { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.link-list a { font-size: 12.5px; color: var(--text-2); }
.blogger-card { display: flex; align-items: center; gap: 10px; }
.blogger-card img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.blogger-card b { display: block; font-size: 13.5px; }
.blogger-card span { font-size: 11.5px; color: var(--muted); }
.blogger-desc { margin-top: 10px; font-size: 12px; color: var(--muted); line-height: 1.7; }

/* ---------- 6. 列表页 ---------- */
.notice-bar {
    display: flex; align-items: center; gap: 11px; padding: 12px 16px; margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-soft), var(--card));
    border: 1px solid var(--primary-line); border-radius: var(--radius);
}
.notice-ico { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.notice-ico svg { width: 16px; height: 16px; }
.notice-txt { flex: 1; min-width: 0; font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.notice-txt b { color: var(--primary); margin-right: 7px; }
.notice-x { border: 0; background: transparent; color: var(--muted); font-size: 18px; line-height: 1; padding: 4px 6px; border-radius: 6px; }
.notice-x:hover { background: var(--card); color: var(--text); }

.feed-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.feed-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.feed-ico { width: 44px; height: 44px; border-radius: 12px; color: #fff; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px; }
.feed-title h1 { font-size: 23px; letter-spacing: -.6px; line-height: 1.25; }
.feed-title p { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.feed-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.feed-tabs { display: flex; gap: 2px; padding: 3px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; }
.feed-tabs button {
    height: 28px; padding: 0 13px; border: 0; border-radius: 999px;
    background: transparent; font-size: 12.5px; font-weight: 700; color: var(--muted);
}
.feed-tabs button.is-on { background: var(--primary-soft); color: var(--primary); }
.feed-post { height: 34px; }

.board-strip {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px; margin-bottom: 12px;
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    font-size: 12px; color: var(--muted);
}
.board-strip b { color: var(--primary); }
.board-strip .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line-2); }

.thread-list { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.thread {
    display: flex; align-items: center; gap: 14px;
    padding: 15px 18px; border-bottom: 1px solid var(--line);
    transition: background .16s;
}
.thread:last-child { border-bottom: 0; }
.thread:hover { background: var(--card-2); }
.thread.is-draft { opacity: .72; }
.th-avatar { position: relative; flex-shrink: 0; width: 40px; height: 40px; }
.th-avatar img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.th-avatar i {
    position: absolute; right: -2px; bottom: -3px;
    font-size: 9px; font-style: normal; font-weight: 800; line-height: 1;
    padding: 2px 3px; border-radius: 4px; color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 1px 3px rgba(0, 0, 0, .18);
}
.th-main { flex: 1; min-width: 0; }
.th-title { font-size: 15.5px; font-weight: 700; line-height: 1.45; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.th-title a { color: var(--text); }
.th-title a:hover { color: var(--primary); }
.th-meta { display: flex; align-items: center; gap: 7px; margin-top: 5px; font-size: 11.5px; color: var(--muted); flex-wrap: wrap; }
.th-board { color: var(--primary); background: var(--primary-soft); padding: 1px 7px; border-radius: 5px; font-weight: 700; }
.th-author { color: var(--text-2); }
.th-dot { color: var(--line-2); }
.th-desc { margin-top: 6px; font-size: 12.5px; color: var(--muted); line-height: 1.6; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.th-stats { display: flex; gap: 16px; flex-shrink: 0; }
.th-stats .st { display: flex; flex-direction: column; align-items: center; min-width: 40px; }
.th-stats b { font-size: 14px; font-weight: 800; color: var(--text); letter-spacing: -.3px; }
.th-stats span { font-size: 10.5px; color: var(--muted); margin-top: 1px; }
.th-act { flex-shrink: 0; }
.mini-btn { display: inline-flex; align-items: center; height: 28px; padding: 0 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 12px; color: var(--text-2); background: var(--card); }
.mini-btn:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }

.empty-card { padding: 48px 20px; text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.empty-ico { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.empty-ico svg { width: 26px; height: 26px; }
.empty-card h3 { font-size: 17px; margin-bottom: 6px; }
.empty-card p { font-size: 13px; color: var(--muted); margin-bottom: 16px; }

.feed-foot { margin-top: 14px; text-align: center; font-size: 11.5px; color: var(--muted); }
.feed-foot b { color: var(--text-2); }

/* 分页 */
.pager { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 20px 0 0; flex-wrap: wrap; }
.pg {
    min-width: 34px; height: 34px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line); border-radius: 9px; background: var(--card);
    font-size: 13px; font-weight: 600; color: var(--text-2); transition: .16s;
}
.pg:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }
.pg.is-on { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 6px 14px color-mix(in srgb, var(--primary) 26%, transparent); }
.pg.is-off { opacity: .45; pointer-events: none; }
.pg-gap { border: 0; background: transparent; color: var(--muted); }

/* ---------- 7. 帖子页 ---------- */
.crumbs { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); margin-bottom: 12px; flex-wrap: wrap; }
.crumbs a { color: var(--text-2); }
.crumbs a:hover { color: var(--primary); }
.crumbs i { font-style: normal; color: var(--line-2); }
.crumbs span { color: var(--muted); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.post-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 24px 26px 22px; }
.post-head { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.post-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.post-title { font-size: 26px; line-height: 1.42; letter-spacing: -.7px; word-break: break-word; }
.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 14px; font-size: 12px; color: var(--muted); }
.pm-author { display: inline-flex; align-items: center; gap: 7px; }
.pm-author img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.pm-name { font-size: 13px; font-weight: 700; color: var(--text-2); }
.pm-author:hover .pm-name { color: var(--primary); }
.pm-item { display: inline-flex; align-items: center; gap: 4px; }
.pm-item svg { width: 13px; height: 13px; color: var(--muted); }
.meta-edit { color: var(--primary); font-size: 12px; }

.post-actions { display: flex; gap: 8px; padding: 14px 0; flex-wrap: wrap; }
.act-btn {
    display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 13px;
    border: 1px solid var(--line); border-radius: 9px; background: var(--card-2);
    font-size: 12.5px; font-weight: 600; color: var(--text-2); transition: .16s;
}
.act-btn svg { width: 15px; height: 15px; color: var(--muted); }
.act-btn b { font-size: 12px; font-weight: 800; color: var(--muted); }
.act-btn:hover { border-color: var(--primary-line); background: var(--primary-soft); color: var(--primary); }
.act-btn:hover svg { color: var(--primary); }
.act-btn.is-on { border-color: var(--primary-line); background: var(--primary-soft); color: var(--primary); }
.act-btn.is-on svg { color: var(--primary); }
.act-btn.is-on b { color: var(--primary); }
.act-collect.is-on { border-color: color-mix(in srgb, #f0a03c 40%, #fff); background: color-mix(in srgb, #f0a03c 10%, #fff); color: #c47a17; }
.act-collect.is-on svg, .act-collect.is-on b { color: #c47a17; }

.post-cover { margin: 4px 0 18px; border-radius: 12px; overflow: hidden; }
.post-cover img { width: 100%; display: block; }
.post-content { padding-top: 6px; }

/* 画廊 */
.gallery-wrap { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); }
.gallery-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.gallery-head h3 { font-size: 14px; }
.gallery-count { font-size: 11.5px; color: var(--muted); }
.gallery-grid { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: 8px; }
.gallery-item { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--card-2); aspect-ratio: 1.25; cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .28)); opacity: 0; transition: .2s; }
.gallery-item:hover::after { opacity: 1; }

/* 图片灯箱 */
.qy-lightbox { position: fixed; inset: 0; z-index: 400; background: rgba(6, 10, 18, .92); display: none; align-items: center; justify-content: center; padding: 34px 60px; }
.qy-lightbox.open { display: flex; }
.lb-stage { position: relative; max-width: min(1100px, 92vw); max-height: 88vh; display: flex; align-items: center; justify-content: center; }
.lb-img { max-width: 100%; max-height: 82vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); object-fit: contain; }
.lb-cap { position: absolute; left: 0; right: 0; bottom: -32px; text-align: center; color: rgba(255, 255, 255, .72); font-size: 12.5px; }
.lb-close, .lb-prev, .lb-next {
    position: absolute; z-index: 2; width: 42px; height: 42px; border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .12); color: #fff; display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px); transition: background .16s;
}
.lb-close { top: 18px; right: 22px; font-size: 24px; }
.lb-prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 18px; top: 50%; transform: translateY(-50%); }
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255, 255, 255, .24); }
.lb-count { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); color: rgba(255, 255, 255, .7); font-size: 12px; }
.lb-prev svg, .lb-next svg { width: 22px; height: 22px; }
html.lb-lock { overflow: hidden; }

/* 下载面板 */
.down-box { margin: 24px 0 6px; padding: 18px; border-radius: 14px; background: var(--card-2); border: 1px solid var(--line); }
.down-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.down-head h3 { font-size: 15px; }
.down-head p { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.down-list { display: flex; flex-direction: column; gap: 9px; }
.down-item { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.down-btn {
    flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px;
    height: 52px; padding: 0 16px; border-radius: 12px;
    background: var(--card); border: 1px solid var(--line);
    transition: .16s;
}
.down-btn.is-first { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: transparent; box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 22%, transparent); }
.down-btn:hover { border-color: var(--primary-line); transform: translateY(-1px); }
.nd-logo {
    width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 11px; font-weight: 800; letter-spacing: -.3px;
}
.nd-logo.is-sm { font-size: 9px; }
.dl-name { flex: 1; min-width: 0; font-size: 14px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.down-btn.is-first .dl-name { color: #fff; }
.down-btn.is-first .nd-logo { background: rgba(255, 255, 255, .2) !important; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18); }
.dl-go { font-size: 11.5px; font-weight: 700; color: var(--muted); }
.down-btn.is-first .dl-go { color: rgba(255, 255, 255, .82); }
.down-btn:hover .dl-go { color: var(--primary); }
.down-btn.is-first:hover .dl-go { color: #fff; }
.pwd-btn {
    display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 12px;
    border: 1px dashed var(--line-2); border-radius: 10px; background: var(--card);
    font-size: 11.5px; color: var(--muted);
}
.pwd-btn b { color: var(--text); font-size: 12.5px; letter-spacing: .5px; }
.pwd-btn svg { width: 13px; height: 13px; }
.pwd-btn:hover { border-color: var(--primary-line); color: var(--primary); background: var(--primary-soft); }
.pwd-btn.is-copied { border-style: solid; border-color: var(--primary-line); background: var(--primary-soft); color: var(--primary); }
.pwd-btn.is-plain { cursor: default; }
.pwd-btn.is-plain:hover { border-color: var(--line-2); color: var(--muted); background: var(--card); }

.post-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.pt-label { font-size: 11.5px; color: var(--muted); }
.tag-pill { display: inline-flex; align-items: center; height: 26px; padding: 0 10px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--line); font-size: 12px; color: var(--text-2); }
.tag-pill:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }

.copyright-box { margin-top: 18px; padding: 12px 14px; border-radius: 10px; background: var(--card-2); border: 1px dashed var(--line-2); font-size: 11.5px; color: var(--muted); line-height: 1.8; }
.copyright-box b { display: block; color: var(--text-2); font-size: 12px; margin-bottom: 2px; }

.author-card { display: flex; align-items: center; gap: 14px; margin-top: 16px; padding: 16px 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.ac-ava img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.ac-info { flex: 1; min-width: 0; }
.ac-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ac-name { font-size: 15px; font-weight: 700; }
.ac-desc { font-size: 12px; color: var(--muted); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ac-stats { display: flex; gap: 16px; margin-top: 6px; font-size: 11px; color: var(--muted); }
.ac-stats b { color: var(--text); font-size: 12.5px; }
.ac-more { flex-shrink: 0; }

.author-rail-in { display: flex; flex-direction: column; align-items: center; text-align: center; }
.author-rail-in img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; margin-bottom: 8px; }
.author-rail-in b { font-size: 14px; }
.author-rail-bar { width: 100%; height: 5px; border-radius: 99px; background: var(--card-2); margin: 10px 0 6px; overflow: hidden; }
.author-rail-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-2)); border-radius: 99px; }
.author-rail-in p { font-size: 11px; color: var(--muted); }
.rail-thread-list li { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.rail-thread-list li:last-child { border-bottom: 0; }
.rail-thread-list a { display: block; font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rail-thread-list a:hover { color: var(--primary); }
.rail-thread-list span { font-size: 10.5px; color: var(--muted); }

.neighbors { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.neighbor { padding: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.neighbor em { display: block; font-style: normal; font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.neighbor span { font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.neighbor.next { text-align: right; }
.neighbor:hover { border-color: var(--primary-line); }
.neighbor:hover span { color: var(--primary); }

/* ---------- 8. 评论 ---------- */
.comments-card { margin-top: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.cm-form-card { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.cm-form-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.cm-form-head h3 { font-size: 15px; }
.cm-form-head p { font-size: 11.5px; color: var(--muted); }
.cm-login-tip { padding: 14px; border-radius: 10px; background: var(--card-2); font-size: 13px; color: var(--text-2); }
.cm-form-user { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.cm-form-user img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.cm-form-user b { font-size: 13px; }
.cm-editor { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--card-2); transition: border-color .16s; }
.cm-editor:focus-within { border-color: var(--primary); background: var(--card); box-shadow: 0 0 0 3px var(--primary-soft); }
.cm-form textarea, #commentform textarea {
    width: 100%; min-height: 108px; padding: 14px; border: 0; background: transparent;
    outline: none; resize: vertical; font-size: 14px; line-height: 1.7; color: var(--text);
}
.cm-toolbar { padding: 10px 12px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 9px; }
.cm-reply-to { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.cm-reply-to b { color: var(--primary); }
.cm-reply-to button { border: 0; background: transparent; color: var(--muted); font-size: 11.5px; text-decoration: underline; }
.cm-submit-area { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.cm-guest { display: flex; gap: 8px; flex: 1; min-width: 240px; flex-wrap: wrap; }
.cm-guest input { height: 34px; padding: 0 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); outline: none; font-size: 12.5px; min-width: 120px; flex: 1; }
.cm-guest input:focus { border-color: var(--primary); }
.cm-captcha { display: flex; align-items: center; gap: 8px; }
.cm-captcha input { height: 34px; width: 106px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.cm-captcha img { height: 34px; border-radius: 7px; cursor: pointer; border: 1px solid var(--line); background: #fff; }
.cm-submit { height: 34px; }

.cm-area { padding-top: 18px; }
.cm-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.cm-top h3 { font-size: 15px; }
.cm-count { margin-left: 6px; font-size: 11.5px; color: var(--primary); background: var(--primary-soft); border-radius: 99px; padding: 1px 8px; }
.cm-list { margin-top: 6px; }
.cm-item { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.cm-item:last-child { border-bottom: 0; }
.cm-ava img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; background: var(--bg-2); }
.cm-body { flex: 1; min-width: 0; }
.cm-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 11.5px; color: var(--muted); }
.cm-head b { font-size: 13px; color: var(--text-2); }
.cm-head time { color: var(--muted); }
.cm-reply-btn { border: 0; background: transparent; color: var(--muted); font-size: 11.5px; padding: 2px 6px; border-radius: 5px; }
.cm-reply-btn:hover { background: var(--primary-soft); color: var(--primary); }
.cm-text { margin-top: 5px; font-size: 14px; line-height: 1.8; color: var(--text-2); word-break: break-word; }
.cm-text img { max-width: 100%; border-radius: 8px; }
.cm-children { margin-top: 8px; padding-left: 14px; border-left: 2px solid var(--line); }
.cm-reply { padding: 10px 0; }
.cm-empty { padding: 26px 0 10px; text-align: center; color: var(--muted); font-size: 13px; }
.cm-page { margin-top: 14px; text-align: center; }
.cm-closed { padding: 18px; text-align: center; color: var(--muted); font-size: 13px; background: var(--card-2); border-radius: 10px; }

/* ---------- 9. 会员中心 ---------- */
.uc-wrap {
    display: grid; grid-template-columns: 288px minmax(0, 1fr); gap: 18px;
    padding: 20px 20px 44px;
}
.uc-side { min-width: 0; }
.uc-main { min-width: 0; }
.uc-profile {
    position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 22px 18px 18px; text-align: center; box-shadow: var(--shadow-sm); overflow: hidden;
}
.uc-profile::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 74px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2)); opacity: .12;
}
.uc-ava { position: relative; width: 76px; height: 76px; border-radius: 50%; object-fit: cover; background: var(--bg-2); border: 3px solid var(--card); box-shadow: 0 8px 20px rgba(18, 32, 63, .12); }
.uc-profile h2 { position: relative; font-size: 19px; margin-top: 10px; letter-spacing: -.4px; }
.uc-badges { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 6px; }
.uc-role { font-size: 11.5px; color: var(--muted); }
.uc-bar { height: 6px; border-radius: 99px; background: var(--card-2); margin: 14px 0 6px; overflow: hidden; }
.uc-bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }
.uc-bar-tip { font-size: 11px; color: var(--muted); }
.uc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 14px; }
.uc-stats div { background: var(--card-2); border-radius: 9px; padding: 9px 2px; }
.uc-stats b { display: block; font-size: 16px; font-weight: 800; color: var(--text); letter-spacing: -.4px; }
.uc-stats span { display: block; font-size: 10.5px; color: var(--muted); }

.uc-sign { margin-top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); }
.uc-sign-top { display: flex; align-items: baseline; gap: 6px; margin-bottom: 9px; }
.uc-sign-top b { font-size: 22px; color: var(--primary); letter-spacing: -.5px; }
.uc-sign-top span { font-size: 11px; color: var(--muted); }
.uc-sign p { margin-top: 8px; text-align: center; font-size: 11px; color: var(--muted); }

.uc-menu { display: flex; flex-direction: column; gap: 2px; margin-top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; box-shadow: var(--shadow-sm); }
.uc-menu a { padding: 10px 12px; border-radius: 9px; font-size: 13.5px; font-weight: 600; color: var(--text-2); display: flex; align-items: center; justify-content: space-between; }
.uc-menu a::after { content: "›"; color: var(--muted); font-weight: 400; }
.uc-menu a:hover { background: var(--card-2); color: var(--primary); }
.uc-menu a.is-on { background: var(--primary-soft); color: var(--primary); }

.uc-head { margin-bottom: 16px; }
.uc-head h1 { font-size: 24px; letter-spacing: -.6px; }
.uc-head p { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.uc-alert { padding: 11px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; background: color-mix(in srgb, var(--danger) 9%, #fff); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 22%, #fff); }
.uc-alert.is-ok { background: color-mix(in srgb, var(--ok) 10%, #fff); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 25%, #fff); }

.uc-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.uc-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow-sm); }
.uc-card-ico { width: 32px; height: 32px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.uc-card-ico svg { width: 16px; height: 16px; fill: #fff; }
.i1 { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.i2 { background: linear-gradient(135deg, #10b981, #34d399); }
.i3 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.i4 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.uc-card b { display: block; font-size: 22px; letter-spacing: -.6px; }
.uc-card span { font-size: 11.5px; color: var(--muted); }

.uc-block { margin-top: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); }
.uc-block-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.uc-block-head h3 { font-size: 15px; }
.uc-block-head a { font-size: 12px; color: var(--primary); }
.uc-hint { font-size: 11.5px; color: var(--muted); }
.uc-empty { text-align: center; padding: 30px 12px; }
.uc-empty h3 { font-size: 16px; margin-bottom: 6px; }
.uc-empty p { font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.uc-hot li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.uc-hot li:last-child { border-bottom: 0; }
.uc-hot a { font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uc-hot a:hover { color: var(--primary); }
.uc-hot span { font-size: 11px; color: var(--muted); flex-shrink: 0; }

.uc-guest { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 46px 24px; text-align: center; box-shadow: var(--shadow-sm); }
.ug-ico { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.ug-ico svg { width: 30px; height: 30px; }
.uc-guest h2 { font-size: 19px; margin-bottom: 8px; }
.uc-guest p { font-size: 13px; color: var(--muted); max-width: 420px; margin: 0 auto 18px; line-height: 1.8; }
.ug-actions { display: flex; gap: 10px; justify-content: center; }

/* 表单 */
.uc-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; align-items: center; }
.form-row > span { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.form-row input, .form-row select, .form-row textarea {
    width: 100%; height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px;
    background: var(--card-2); outline: none; font-size: 13.5px; color: var(--text); transition: .16s;
}
.form-row textarea { height: auto; padding: 10px 12px; resize: vertical; line-height: 1.7; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--primary); background: var(--card); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-row input:disabled { color: var(--muted); background: var(--bg-2); cursor: not-allowed; }
.form-avatar { display: flex; align-items: center; gap: 12px; }
.form-avatar img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.form-avatar em { font-style: normal; font-size: 11.5px; color: var(--muted); }
.form-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

.pf-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.post-form .form-row { grid-template-columns: 92px minmax(0, 1fr); align-items: flex-start; }
.post-form .form-row > span { padding-top: 11px; white-space: nowrap; }
.pf-editor { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; background: var(--card-2); }
.pf-editor:focus-within { border-color: var(--primary); background: var(--card); box-shadow: 0 0 0 3px var(--primary-soft); }
.pf-toolbar { display: flex; align-items: center; gap: 4px; padding: 7px 9px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.pf-toolbar button { height: 28px; min-width: 28px; padding: 0 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); font-size: 12px; color: var(--text-2); }
.pf-toolbar button:hover { color: var(--primary); border-color: var(--primary-line); background: var(--primary-soft); }
.pf-toolbar-tip { margin-left: auto; font-size: 11px; color: var(--muted); }
.pf-editor textarea { width: 100%; min-height: 260px; padding: 14px; border: 0; background: transparent; outline: none; resize: vertical; font-size: 14px; line-height: 1.8; color: var(--text); }
.pf-download { padding: 14px; border: 1px dashed var(--line-2); border-radius: 11px; background: var(--card-2); }
.pf-download-head b { font-size: 13px; }
.pf-download-head span { display: block; font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.pf-dl-row { display: grid; grid-template-columns: 1fr 1.6fr .8fr auto; gap: 8px; margin-top: 10px; }
.pf-dl-row input { height: 36px; padding: 0 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); font-size: 12.5px; outline: none; }
.pf-tip { font-size: 11.5px; color: var(--muted); }

.collect-list { min-height: 120px; }
.uc-loading { padding: 30px; text-align: center; color: var(--muted); font-size: 13px; }
.coll-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.coll-item:last-child { border-bottom: 0; }
.coll-cover { width: 92px; height: 64px; border-radius: 9px; object-fit: cover; background: var(--card-2); flex-shrink: 0; }
.coll-main { flex: 1; min-width: 0; }
.coll-main h4 { font-size: 14px; font-weight: 700; line-height: 1.5; }
.coll-main h4 a { color: var(--text); }
.coll-main h4 a:hover { color: var(--primary); }
.coll-meta { margin-top: 5px; font-size: 11.5px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.coll-act { flex-shrink: 0; align-self: center; }
.coll-act button { border: 0; background: transparent; color: var(--muted); font-size: 12px; }
.coll-act button:hover { color: var(--danger); }

/* ---------- 10. 页脚 ---------- */
.site-foot { background: var(--card); border-top: 1px solid var(--line); margin-top: 10px; }
.foot-in { display: grid; grid-template-columns: 1.15fr 2fr; gap: 30px; padding: 34px 20px 28px; }
.foot-brand .brand { margin-bottom: 10px; }
.foot-brand p { font-size: 12px; color: var(--muted); line-height: 1.8; max-width: 320px; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.foot-col h4 { font-size: 13px; margin-bottom: 10px; color: var(--text-2); }
.foot-col ul { display: flex; flex-direction: column; gap: 6px; }
.foot-col a { font-size: 12px; color: var(--muted); }
.foot-col a:hover { color: var(--primary); }
.foot-bot { border-top: 1px solid var(--line); padding: 14px 0 18px; }
.foot-bot-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 11.5px; color: var(--muted); flex-wrap: wrap; }
.foot-bot-in a { color: var(--muted); }
.foot-bot-in a:hover { color: var(--primary); }

.back-top {
    position: fixed; right: 22px; bottom: 24px; z-index: 90;
    width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line);
    background: var(--card); color: var(--text-2); box-shadow: var(--shadow);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { color: var(--primary); border-color: var(--primary-line); }
.back-top svg { width: 18px; height: 18px; }

.toast-wrap { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 500; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { padding: 10px 18px; border-radius: 10px; background: rgba(18, 26, 40, .92); color: #fff; font-size: 13px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); animation: toastIn .2s ease; }
.toast.ok { background: color-mix(in srgb, var(--ok) 88%, #000); }
.toast.err { background: color-mix(in srgb, var(--danger) 88%, #000); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 11. 404 / 密码页 ---------- */
.err-page { max-width: 860px; margin: 0 auto; padding: 60px 20px; }
.err-card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 46px 30px; text-align: center; box-shadow: var(--shadow); }
.err-code { font-size: 84px; font-weight: 800; line-height: 1; letter-spacing: -4px; color: var(--primary); }
.err-card h1 { font-size: 22px; margin: 10px 0 6px; }
.err-card > p { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.err-card .search-form { max-width: 460px; margin: 0 auto; }
.err-actions { display: flex; gap: 10px; justify-content: center; margin-top: 16px; }
.err-sorts { margin-top: 22px; font-size: 12px; color: var(--muted); display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; align-items: center; }
.err-sorts a { padding: 4px 10px; border-radius: 7px; background: var(--card-2); border: 1px solid var(--line); color: var(--text-2); }
.err-sorts a:hover { color: var(--primary); border-color: var(--primary-line); }
.err-hot { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 24px; }
.err-hot h2 { font-size: 15px; margin-bottom: 10px; }
.err-hot li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.err-hot li:last-child { border-bottom: 0; }
.err-hot a { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.err-hot span { color: var(--muted); font-size: 11px; flex-shrink: 0; }

.pw-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.pw-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 36px 28px; text-align: center; box-shadow: var(--shadow); }
.pw-lock { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.pw-lock svg { width: 26px; height: 26px; }
.pw-card h1 { font-size: 21px; margin-bottom: 6px; }
.pw-card p { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.pw-card form { display: flex; flex-direction: column; gap: 10px; }
.pw-card input { height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); outline: none; text-align: center; }
.pw-card input:focus { border-color: var(--primary); background: var(--card); }
.pw-back { display: inline-block; margin-top: 16px; font-size: 12px; color: var(--muted); }
.pw-back:hover { color: var(--primary); }

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1240px) {
    :root { --container: 1140px; }
    .layout { grid-template-columns: 210px minmax(0, 1fr) 272px; gap: 14px; }
    .uc-wrap { grid-template-columns: 260px minmax(0, 1fr); gap: 14px; }
}
@media (max-width: 1080px) {
    .layout { grid-template-columns: 210px minmax(0, 1fr); }
    .layout > .col-right { display: none; }
    .uc-wrap { grid-template-columns: 240px minmax(0, 1fr); }
}
@media (max-width: 900px) {
    .layout { display: flex; flex-direction: column; align-items: stretch; gap: 16px; padding: 16px 16px 36px; }
    .layout > .col-left { display: none; }
    .layout > .col-main { width: 100%; }
    .layout > .col-right { display: block; width: 100%; }
    .rail-sticky { position: static; }
    .uc-wrap { display: flex; flex-direction: column; padding: 16px 16px 36px; }
    .uc-side { width: 100%; }
    .uc-menu { display: grid; grid-template-columns: 1fr 1fr; }
    .uc-menu a::after { content: ""; }
    .uc-card { padding: 14px; }
    .uc-cards { grid-template-columns: 1fr 1fr; }
    .foot-in { grid-template-columns: 1fr; gap: 22px; padding: 28px 16px 24px; }
    .head-in { gap: 12px; }
    .top-nav { display: none; }
    .drawer-btn { display: inline-flex; }
    .head-login, .head-signup { display: none; }
}
@media (max-width: 720px) {
    :root { --head-h: 60px; }
    .container { padding: 0 14px; }
    .brand-sub { display: none; }
    .brand-name { font-size: 16px; }
    .brand-mark { width: 32px; height: 32px; border-radius: 10px; font-size: 15px; }
    .btn-post span { display: none; }
    .btn-post { width: 36px; padding: 0; }
    .btn-post svg { width: 18px; height: 18px; }
    .u-name, .u-lv { display: none; }
    .user-chip { padding: 0 5px; background: transparent; border-color: transparent; }
    .user-chip img { width: 32px; height: 32px; }
    .user-drop { width: 230px; right: -4px; }

    .feed-head { flex-direction: column; align-items: stretch; gap: 10px; }
    .feed-tools { justify-content: space-between; }
    .feed-title h1 { font-size: 20px; }
    .feed-ico { width: 38px; height: 38px; font-size: 14px; }
    .thread { padding: 13px 14px; gap: 11px; }
    .th-avatar, .th-avatar img { width: 36px; height: 36px; }
    .th-title { font-size: 14.5px; }
    .th-desc { display: none; }
    .th-stats { gap: 10px; }
    .th-stats .st { min-width: 34px; }
    .th-stats b { font-size: 13px; }
    .th-stats span { font-size: 10px; }

    .post-card { padding: 18px 16px; border-radius: 14px; }
    .post-title { font-size: 21px; letter-spacing: -.4px; }
    .post-meta { gap: 10px; }
    .post-actions { gap: 6px; }
    .act-btn { height: 32px; padding: 0 10px; font-size: 12px; }
    .act-report span { display: none; }
    .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .down-head { flex-direction: column; }
    .down-item { flex-direction: column; align-items: stretch; gap: 6px; }
    .down-btn { height: 46px; padding: 0 12px; }
    .dl-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .dl-go { display: none; }
    .pwd-btn { height: 36px; justify-content: center; width: 100%; }
    .neighbors { grid-template-columns: 1fr; }
    .author-card { flex-wrap: wrap; }
    .ac-more { width: 100%; }
    .comments-card { padding: 16px; }
    .cm-guest { min-width: 100%; }
    .cm-submit-area { justify-content: stretch; }
    .cm-submit { width: 100%; }

    .uc-head h1 { font-size: 20px; }
    .uc-profile { padding: 18px 14px 14px; }
    .uc-ava { width: 64px; height: 64px; }
    .uc-cards { gap: 8px; }
    .uc-card b { font-size: 19px; }
    .form-row { grid-template-columns: 1fr; gap: 6px; }
    .post-form .form-row { grid-template-columns: 1fr; }
    .post-form .form-row > span { padding-top: 0; }
    .pf-row { grid-template-columns: 1fr; }
    .pf-dl-row { grid-template-columns: 1fr; }
    .pc-only { display: none !important; }
    .foot-cols { grid-template-columns: 1fr 1fr; }
    .err-code { font-size: 64px; }
    .err-card { padding: 34px 20px; border-radius: 18px; }
    .modal-box { padding: 22px 18px; border-radius: 16px; }
    .search-form { flex-wrap: wrap; }
}
@media (max-width: 420px) {
    .head-act { gap: 4px; }
    .icon-btn { width: 32px; }
    .uc-stats b { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}