:root {
    --tui-bg: #f6efe3;
    --tui-bg-soft: #eee3cf;
    --tui-card: #fffdf7;
    --tui-card-2: #fbf5e8;
    --tui-ink: #5a4a38;
    --tui-ink-2: #8a7660;
    --tui-ink-3: #b3a18b;
    --tui-accent: #d97a45;
    --tui-accent-2: #e69a6e;
    --tui-accent-deep: #c0602c;
    --tui-accent-ink: #ffffff;
    --tui-line: #ecdfc6;
    --tui-shadow: 0 6px 24px rgba(139, 98, 42, 0.12);
    --tui-shadow-sm: 0 2px 8px rgba(139, 98, 42, 0.08);
    --tui-radius: 18px;
    --tui-radius-s: 10px;
    --tui-glass-bg: rgba(255, 252, 244, 0.72);
    --tui-glass-border: rgba(255, 255, 255, 0.55);
    --tui-glass-blur: 18px;
    --tui-maxw: 480px;
}
[data-theme="dark"] {
    --tui-bg: #2c241b;
    --tui-bg-soft: #241d15;
    --tui-card: #3a2f23;
    --tui-card-2: #342a20;
    --tui-ink: #e8dcc8;
    --tui-ink-2: #b9a588;
    --tui-ink-3: #8d7b62;
    --tui-accent: #e08a54;
    --tui-accent-2: #d97741;
    --tui-accent-deep: #ef9a64;
    --tui-accent-ink: #2c241b;
    --tui-line: #4a3c2c;
    --tui-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
    --tui-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --tui-glass-bg: rgba(58, 47, 35, 0.72);
    --tui-glass-border: rgba(255, 255, 255, 0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--tui-bg);
    background-image: radial-gradient(rgba(217, 122, 69, 0.045) 1px, transparent 1px);
    background-size: 22px 22px;
    color: var(--tui-ink);
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--tui-accent-deep); text-decoration: none; }
a:hover { opacity: 0.85; }
img { max-width: 100%; height: auto; display: block; }
input, textarea, button { font-family: inherit; font-size: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--tui-accent); outline-offset: 2px; }

/* ---------- 布局 ---------- */
.tui-wrap {
    max-width: var(--tui-maxw);
    margin: 0 auto;
    padding: 14px 14px 96px;
}

/* ---------- 顶部栏（毛玻璃） ---------- */
.tui-top {
    position: sticky;
    top: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--tui-maxw);
    margin: 0 auto;
    padding: 10px 14px;
    background: var(--tui-glass-bg);
    -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    border-bottom: 1px solid var(--tui-glass-border);
    border-radius: 0 0 var(--tui-radius) var(--tui-radius);
}
.tui-top-brand { display: flex; align-items: center; gap: 8px; }

/* 顶栏右侧：搜索 + 汉堡 */
.tui-top-right { display: flex; align-items: center; gap: 6px; }
.tui-search-btn {
    width: 38px; height: 38px; border: none; background: transparent;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; border-radius: var(--tui-radius-s); color: var(--tui-ink);
    flex: 0 0 auto;
}
.tui-search-btn:hover { background: var(--tui-card-2); }
.tui-search {
    display: flex; align-items: center;
    width: 0; overflow: hidden; opacity: 0;
    transition: width 0.28s ease, opacity 0.28s ease;
}
.tui-search.tui-search-open { width: 160px; opacity: 1; }
.tui-search-input {
    width: 100%; height: 36px; padding: 0 12px;
    border: 1px solid var(--tui-line); border-radius: 999px;
    background: var(--tui-card); color: var(--tui-ink);
    font-size: 14px; outline: none;
}
.tui-search-input:focus { border-color: var(--tui-accent); }
.tui-top-logo {
    width: 34px; height: 34px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--tui-accent), var(--tui-accent-2));
    color: var(--tui-accent-ink); font-size: 17px; font-weight: 700;
    box-shadow: var(--tui-shadow-sm);
}
.tui-top-name { font-weight: 700; font-size: 17px; color: var(--tui-ink); }

.tui-top-burger {
    width: 40px; height: 40px; border: none; background: transparent;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
    cursor: pointer; border-radius: var(--tui-radius-s);
}
.tui-top-burger span {
    width: 20px; height: 2px; background: var(--tui-ink); border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.tui-top-burger.tui-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tui-top-burger.tui-open span:nth-child(2) { opacity: 0; }
.tui-top-burger.tui-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 毛玻璃导航菜单 */
.tui-nav {
    position: fixed;
    top: 64px; right: 14px;
    width: 236px;
    background: var(--tui-glass-bg);
    -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    border: 1px solid var(--tui-glass-border);
    border-radius: var(--tui-radius);
    box-shadow: var(--tui-shadow);
    padding: 10px;
    transform: translateY(-8px) scale(0.96);
    opacity: 0; visibility: hidden;
    transition: transform 0.24s, opacity 0.24s, visibility 0.24s;
    z-index: 99;
}
.tui-nav.tui-open { transform: translateY(0) scale(1); opacity: 1; visibility: visible; }
.tui-nav-list { list-style: none; }
.tui-nav-item { border-bottom: 1px dashed var(--tui-line); }
.tui-nav-item:last-child { border-bottom: none; }
.tui-nav-link {
    display: block; padding: 11px 12px;
    color: var(--tui-ink); font-weight: 500; border-radius: var(--tui-radius-s);
}
.tui-nav-link:hover { background: var(--tui-card-2); opacity: 1; }
.tui-nav-avatar {
    width: 26px; height: 26px; border-radius: 50%;
    vertical-align: -7px; margin-right: 8px;
}
.tui-nav-sub { list-style: none; padding-left: 14px; }
.tui-nav-sub .tui-nav-link { padding: 8px 12px; font-size: 14px; }

/* 用户菜单（昵称下拉：个人中心 / 退出） */
.tui-nav-user { position: relative; }
.tui-user-toggle { display: flex; align-items: center; gap: 8px; }
.tui-user-avatar {
    width: 26px; height: 26px; border-radius: 50%;
    background: linear-gradient(135deg, var(--tui-accent), var(--tui-accent-2));
    color: var(--tui-accent-ink);
    font-size: 13px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex: 0 0 auto;
}
.tui-user-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tui-user-caret {
    width: 7px; height: 7px;
    border-right: 1.5px solid var(--tui-ink-2);
    border-bottom: 1.5px solid var(--tui-ink-2);
    transform: rotate(45deg);
    transition: transform 0.2s;
    flex: 0 0 auto;
}
.tui-user-menu { list-style: none; }
.tui-user-menu .tui-nav-link { padding: 8px 12px; font-size: 14px; }
/* 移动端（汉堡面板内）：子菜单缩进显示，点昵称展开/收起 */
.tui-user-menu { display: none; padding-left: 14px; }
.tui-nav-user.tui-user-open .tui-user-menu,
.tui-nav-user:focus-within .tui-user-menu { display: block; }
.tui-nav-user.tui-user-open .tui-user-caret,
.tui-nav-user:focus-within .tui-user-caret { transform: rotate(225deg); margin-top: 4px; }
.tui-nav-mask {
    position: fixed; inset: 0; z-index: 85;
    background: rgba(44, 33, 20, 0.32);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    opacity: 0; visibility: hidden; transition: opacity 0.24s, visibility 0.24s;
}
.tui-nav-mask.tui-open { opacity: 1; visibility: visible; }

/* ---------- 轮播 ---------- */
.tui-slider {
    position: relative;
    border-radius: var(--tui-radius);
    overflow: hidden;
    box-shadow: var(--tui-shadow);
    margin-bottom: 16px;
    background: var(--tui-card);
}
.tui-slider-track { display: flex; transition: transform 0.4s ease; }
.tui-slide { flex: 0 0 100%; position: relative; }
.tui-slide img { width: 100%; height: 190px; object-fit: cover; }
.tui-slide-text {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 26px 14px 10px;
    background: linear-gradient(transparent, rgba(40, 28, 16, 0.6));
    color: #fff; font-size: 14px; font-weight: 500;
}
.tui-slider-dots {
    position: absolute; right: 10px; bottom: 8px;
    display: flex; gap: 5px;
}
.tui-slider-dots i {
    width: 6px; height: 6px; border-radius: 4px;
    background: rgba(255, 255, 255, 0.6); transition: width 0.3s, background 0.3s;
}
.tui-slider-dots i.on { width: 16px; background: var(--tui-accent-2); }

/* ---------- 文章卡片 ---------- */
.tui-card {
    background: var(--tui-card);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius);
    box-shadow: var(--tui-shadow-sm);
    margin-bottom: 16px;
    overflow: hidden;
}
.tui-card-cover img { width: 100%; height: 180px; object-fit: cover; }
.tui-card-body { padding: 14px 16px 4px; }
.tui-card-title { font-size: 17px; line-height: 1.45; margin-bottom: 8px; }
.tui-card-title a { color: var(--tui-ink); }
.tui-card-title a:hover { color: var(--tui-accent-deep); opacity: 1; }
.tui-topflg {
    display: inline-block; vertical-align: 2px;
    font-size: 11px; font-weight: 600;
    color: var(--tui-accent-ink); background: var(--tui-accent);
    padding: 1px 7px; border-radius: 999px; margin-left: 6px;
}
.tui-chip {
    display: inline-block; vertical-align: 2px;
    font-size: 11px; color: var(--tui-accent-deep);
    background: var(--tui-bg-soft);
    border: 1px solid var(--tui-line);
    padding: 1px 8px; border-radius: 999px; margin-left: 6px;
}
.tui-card-summary {
    color: var(--tui-ink-2); font-size: 13.5px;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden; margin-bottom: 8px;
}
.tui-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.tui-tag {
    font-size: 12px; color: var(--tui-ink-2);
    background: var(--tui-card-2);
    border: 1px dashed var(--tui-line);
    padding: 2px 9px; border-radius: 999px;
}
.tui-card-meta {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 16px;
    border-top: 1px dashed var(--tui-line);
    font-size: 12px; color: var(--tui-ink-3);
}
.tui-meta-left a { color: var(--tui-accent-deep); font-weight: 500; }
.tui-meta-right { display: flex; gap: 12px; }
.tui-empty { padding: 40px 20px; text-align: center; color: var(--tui-ink-3); }

/* ---------- 分页 ---------- */
.tui-pagination { text-align: center; padding: 6px 0; }
.tui-pagination a, .tui-pagination span {
    display: inline-block; min-width: 36px; height: 36px; line-height: 34px;
    padding: 0 8px; margin: 0 3px;
    border: 1px solid var(--tui-line); border-radius: var(--tui-radius-s);
    background: var(--tui-card); color: var(--tui-ink-2);
    font-size: 14px;
}
.tui-pagination .page_now {
    background: var(--tui-accent); border-color: var(--tui-accent); color: var(--tui-accent-ink);
    font-weight: 700;
}

/* ---------- 文章详情 ---------- */
.tui-article { padding: 0 0 18px; }
.tui-article-head { padding: 18px 16px 12px; }
.tui-article-tools { margin-bottom: 8px; }
.tui-article-tools .tui-chip { margin-left: 0; margin-right: 6px; }
.tui-article-title { font-size: 22px; line-height: 1.4; margin-bottom: 10px; }
.tui-article-meta {
    display: flex; flex-wrap: wrap; gap: 6px 14px;
    font-size: 12px; color: var(--tui-ink-3);
}
.tui-article-meta a { color: var(--tui-accent-deep); }
.tui-edit {
    display: inline-block; font-size: 12px; color: var(--tui-accent-ink) !important;
    background: var(--tui-accent); padding: 1px 9px; border-radius: 999px;
}
.tui-article-cover img { width: 100%; max-height: 240px; object-fit: cover; }
.tui-article-content { padding: 6px 16px 4px; word-break: break-word; }
.tui-article-tags { padding: 8px 16px 0; display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- 相邻文章 ---------- */
.tui-neighbors { margin-bottom: 16px; }
.tui-neighbor {
    display: block; padding: 10px 14px; margin-bottom: 8px;
    background: var(--tui-card); border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius-s);
}
.tui-neighbor-dir { font-size: 12px; color: var(--tui-accent-deep); font-weight: 600; }
.tui-neighbor-title {
    display: block; font-size: 14px; color: var(--tui-ink-2);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- 评论 ---------- */
.tui-comments { padding: 16px; }
.tui-comments-title { margin-bottom: 14px; }
.tui-comments-title b { font-size: 15px; }
.tui-comment { display: flex; gap: 10px; margin-bottom: 14px; }
.tui-comment-child { margin-left: 34px; margin-top: 12px; padding-left: 10px; border-left: 2px solid var(--tui-line); }
.tui-comment-avatar { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; background: var(--tui-bg-soft); }
.tui-comment-body { flex: 1; min-width: 0; }
.tui-comment-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 2px; }
.tui-comment-head b { font-size: 13.5px; color: var(--tui-ink); }
.tui-comment-time { font-size: 11px; color: var(--tui-ink-3); }
.tui-comment-content { font-size: 14px; color: var(--tui-ink-2); }
.tui-comment-reply { margin-top: 2px; }
.tui-comment-reply a { font-size: 12px; color: var(--tui-accent-deep); }
.tui-comments #pagenavi { text-align: center; margin-top: 10px; }
.tui-comments #pagenavi a { color: var(--tui-accent-deep); padding: 0 6px; }

/* 评论表单 */
.tui-comment-post { margin-bottom: 20px; }
.tui-comment-post textarea {
    width: 100%; min-height: 90px; resize: vertical;
    border: 1px solid var(--tui-line); border-radius: var(--tui-radius-s);
    background: var(--tui-card-2); color: var(--tui-ink);
    padding: 10px 12px; margin-bottom: 10px;
}
.tui-comment-post textarea:focus { outline: none; border-color: var(--tui-accent-2); }
.tui-comment-info { display: grid; gap: 8px; margin-bottom: 10px; }
.tui-comment-info input {
    width: 100%; border: 1px solid var(--tui-line); border-radius: var(--tui-radius-s);
    background: var(--tui-card-2); color: var(--tui-ink); padding: 9px 12px;
}
.tui-comment-submit { display: flex; align-items: center; gap: 10px; }
.tui-captcha { margin-top: 4px; }
.tui-captcha img { width: 120px; height: 40px; border-radius: var(--tui-radius-s); }

/* ---------- 按钮 ---------- */
.tui-btn {
    display: inline-block; border: 1px solid var(--tui-line);
    background: var(--tui-card); color: var(--tui-ink);
    padding: 9px 18px; border-radius: var(--tui-radius-s);
    cursor: pointer; text-align: center;
}
.tui-btn-primary {
    background: linear-gradient(135deg, var(--tui-accent), var(--tui-accent-2));
    border-color: transparent; color: var(--tui-accent-ink); font-weight: 600;
    box-shadow: var(--tui-shadow-sm);
}
.tui-btn-ghost { background: transparent; border-color: var(--tui-line); color: var(--tui-ink-2); }
.tui-btn:hover { opacity: 0.9; }

/* ---------- 毛玻璃登录弹窗 ---------- */
.tui-auth-mask {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(50, 38, 22, 0.4);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}
.tui-auth {
    position: fixed; inset: 0; z-index: 210;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
}
.tui-auth-card {
    position: relative;
    width: 100%; max-width: 360px;
    background: var(--tui-glass-bg);
    -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    border: 1px solid var(--tui-glass-border);
    border-radius: var(--tui-radius);
    box-shadow: var(--tui-shadow);
    padding: 26px 22px 20px;
    animation: tui-pop 0.28s ease;
}
@keyframes tui-pop {
    from { transform: translateY(14px) scale(0.96); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}
.tui-auth-close {
    position: absolute; top: 12px; right: 14px;
    width: 28px; height: 28px; border: none; background: transparent;
    font-size: 22px; color: var(--tui-ink-3); cursor: pointer; line-height: 1;
}
.tui-auth-title { font-size: 19px; font-weight: 700; margin-bottom: 16px; }
.tui-auth-alert {
    font-size: 13px; color: #c0392b; background: rgba(192, 57, 43, 0.08);
    border: 1px solid rgba(192, 57, 43, 0.25);
    padding: 8px 10px; border-radius: var(--tui-radius-s); margin-bottom: 12px;
}
.tui-field { margin-bottom: 12px; }
.tui-field input {
    width: 100%; border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius-s);
    background: var(--tui-card-2); color: var(--tui-ink);
    padding: 11px 13px;
}
.tui-field input:focus { outline: none; border-color: var(--tui-accent-2); }
.tui-field-line { display: flex; gap: 8px; }
.tui-field-line input { flex: 1; }
.tui-field-line img { width: 96px; height: 40px; border-radius: var(--tui-radius-s); }
.tui-field-line .tui-btn { flex-shrink: 0; }
.tui-check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--tui-ink-2); margin-bottom: 14px; }
.tui-auth .tui-btn { width: 100%; }
.tui-auth-switch { display: flex; justify-content: center; gap: 18px; margin-top: 14px; font-size: 13px; }
.tui-auth-switch a { color: var(--tui-accent-deep); }
.tui-auth-ext { text-align: center; margin-top: 8px; font-size: 12px; color: var(--tui-ink-3); }

/* ---------- 悬浮按钮 ---------- */
.tui-fab {
    position: fixed; right: 16px; bottom: 34px; z-index: 80;
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid var(--tui-glass-border);
    background: var(--tui-glass-bg);
    -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    color: var(--tui-ink);
    box-shadow: var(--tui-shadow);
    display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.tui-fab-top { bottom: 90px; display: none; }
[data-theme="dark"] .tui-ic-moon { display: none; }
[data-theme="light"] .tui-ic-sun { display: none; }
.tui-ic-sun, .tui-ic-moon { display: block; }

/* ---------- 底部 ---------- */
.tui-footer {
    max-width: var(--tui-maxw); margin: 0 auto;
    padding: 26px 20px 40px;
    text-align: center; font-size: 12px; color: var(--tui-ink-3);
    border-top: 1px dashed var(--tui-line);
}
.tui-footer a { color: var(--tui-ink-3); }

/* ---------- 密码页 / 404 ---------- */
.tui-pw-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 24px;
    background-image: radial-gradient(rgba(217, 122, 69, 0.05) 1px, transparent 1px);
    background-size: 22px 22px;
}
.tui-pw {
    width: 100%; max-width: 340px; text-align: center;
    background: var(--tui-glass-bg);
    -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
    border: 1px solid var(--tui-glass-border);
    border-radius: var(--tui-radius);
    box-shadow: var(--tui-shadow);
    padding: 30px 24px;
}
.tui-pw-logo, .tui-404-num {
    width: 56px; height: 56px; margin: 0 auto 14px;
    border-radius: 18px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--tui-accent), var(--tui-accent-2));
    color: var(--tui-accent-ink); font-size: 26px; font-weight: 700;
    box-shadow: var(--tui-shadow-sm);
}
.tui-404-num { width: auto; height: auto; border-radius: 12px; padding: 10px 20px; font-size: 40px; background: transparent; color: var(--tui-accent); }
.tui-pw-title { font-size: 17px; margin-bottom: 16px; }
.tui-pw-field input {
    width: 100%; border: 1px solid var(--tui-line); border-radius: var(--tui-radius-s);
    background: var(--tui-card-2); color: var(--tui-ink);
    padding: 11px 13px; margin-bottom: 12px;
}
.tui-pw .tui-btn { width: 100%; }
.tui-pw-back { display: block; margin-top: 16px; font-size: 13px; color: var(--tui-ink-3); }

/* ---------- 通用工具 ---------- */
.tui-clearfix::after { content: ""; display: table; clear: both; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--tui-line); border-radius: 4px; }

/* 首页微语区块 */
.tui-twitter { margin: 0 0 16px; padding: 14px 16px; background: var(--tui-glass-bg); -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%); backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%); border: 1px solid var(--tui-glass-border); border-radius: var(--tui-radius); }
.tui-twitter-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.tui-twitter-head b { font-size: 15px; color: var(--tui-ink); }
.tui-twitter-more { font-size: 12px; color: var(--tui-accent); text-decoration: none; }
.tui-twitter-item { padding: 8px 0; border-bottom: 1px dashed var(--tui-line); }
.tui-twitter-item:last-child { border-bottom: none; }
.tui-twitter-content { font-size: 13px; color: var(--tui-ink); line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.tui-twitter-time { display: block; margin-top: 4px; font-size: 11px; color: var(--tui-ink-3); }

/* ============================================================
   v2.0.2 响应式适配：多屏幕尺寸断点
   历史消息（评论）永不截断/压缩，自适应宽度完整展示
   ============================================================ */

/* ---- 超小屏：小屏手机 ≤360px ---- */
@media (max-width: 360px) {
    :root { --tui-maxw: 100%; }
    body { font-size: 14px; }
    .tui-wrap { padding: 10px 10px 88px; }
    .tui-top { padding: 8px 10px; border-radius: 0 0 14px 14px; }
    .tui-top-logo { width: 30px; height: 30px; font-size: 15px; border-radius: 10px; }
    .tui-top-name { font-size: 15px; }
    .tui-nav { width: 200px; right: 10px; top: 56px; }
    .tui-slide img { height: 150px; }
    .tui-card-cover img { height: 150px; }
    .tui-card-body { padding: 12px 12px 4px; }
    .tui-card-title { font-size: 16px; }
    .tui-card-summary { font-size: 13px; }
    .tui-card-meta { padding: 8px 12px; font-size: 11px; gap: 8px; }
    .tui-article-title { font-size: 19px; }
    .tui-article-content { padding: 6px 12px 4px; font-size: 14.5px; }
    .tui-article-head { padding: 14px 12px 10px; }
    .tui-comments { padding: 12px; }
    /* 子评论缩进收窄，避免历史消息被挤压 */
    .tui-comment { gap: 8px; margin-bottom: 12px; }
    .tui-comment-child { margin-left: 18px; padding-left: 8px; }
    .tui-comment-avatar { width: 30px; height: 30px; }
    .tui-comment-content { font-size: 13.5px; word-break: break-word; overflow-wrap: anywhere; }
    .tui-auth-card { padding: 20px 16px 16px; max-width: 100%; }
    .tui-pagination a, .tui-pagination span { min-width: 32px; height: 32px; line-height: 30px; font-size: 13px; padding: 0 6px; margin: 0 2px; }
    .tui-fab { right: 10px; bottom: 24px; width: 40px; height: 40px; }
    .tui-fab-top { bottom: 80px; }
    .tui-footer { padding: 20px 14px 32px; }
    .tui-twitter { padding: 12px 12px; }
    .tui-twitter-content { font-size: 12.5px; }
    .markdown { font-size: 14px; }
    .markdown pre { font-size: 12px; padding: 10px; }
    .markdown table { font-size: 0.85em; }
    .markdown th, .markdown td { padding: 6px 8px; }
}

/* ---- 标准手机：361px–480px（默认样式，无需额外覆盖） ---- */

/* ---- 大屏手机 / 小平板：481px–768px ---- */
@media (min-width: 481px) {
    :root { --tui-maxw: 600px; }
    body { font-size: 15.5px; }
    .tui-wrap { padding: 20px 20px 100px; }
    .tui-top { padding: 12px 20px; }
    .tui-top-logo { width: 38px; height: 38px; font-size: 18px; }
    .tui-top-name { font-size: 18px; }
    .tui-nav { width: 260px; right: 20px; top: 66px; }
    .tui-slide img { height: 220px; }
    .tui-card-cover img { height: 190px; }
    .tui-card-body { padding: 16px 20px 4px; }
    .tui-card-title { font-size: 18px; }
    .tui-card-summary { font-size: 14px; }
    .tui-card-meta { padding: 12px 20px; }
    .tui-article-title { font-size: 24px; }
    .tui-article-content { padding: 8px 20px 4px; }
    .tui-article-head { padding: 20px 20px 14px; }
    .tui-comments { padding: 20px; }
    .tui-comment-child { margin-left: 40px; }
    .tui-comment-avatar { width: 38px; height: 38px; }
    .tui-auth-card { max-width: 380px; padding: 28px 24px 22px; }
    .tui-footer { padding: 30px 24px 48px; }
    .tui-twitter { padding: 16px 20px; }
    .markdown { font-size: 15.5px; }
}

/* ---- 平板竖屏：769px–1023px ---- */
@media (min-width: 769px) {
    :root { --tui-maxw: 760px; }
    body { font-size: 16px; }
    .tui-wrap { padding: 28px 28px 110px; }
    .tui-top { padding: 14px 28px; border-radius: 0 0 20px 20px; }
    .tui-top-name { font-size: 19px; }
    .tui-nav { width: 280px; right: 28px; }
    .tui-slide img { height: 280px; }
    .tui-card-cover img { height: 210px; }
    .tui-card-body { padding: 18px 24px 6px; }
    .tui-card-title { font-size: 19px; }
    .tui-card-meta { padding: 14px 24px; }
    .tui-article-title { font-size: 27px; }
    .tui-article-content { padding: 10px 24px 6px; font-size: 16px; }
    .tui-article-head { padding: 26px 24px 18px; }
    .tui-comments { padding: 24px; }
    .tui-comment-child { margin-left: 48px; }
    .tui-auth-card { max-width: 400px; }
    .markdown { font-size: 16px; }
    .markdown h1 { font-size: 1.7em; }
    .markdown h2 { font-size: 1.4em; }
    .tui-twitter { padding: 20px 24px; }
    .tui-fab { width: 48px; height: 48px; right: 24px; bottom: 36px; }
}

/* ---- 桌面 / 大屏：≥1024px ---- */
@media (min-width: 1024px) {
    :root { --tui-maxw: 960px; }
    body { font-size: 16px; }
    body::before {
        content: "";
        position: fixed; inset: 0; z-index: -1;
        background: linear-gradient(180deg,
            rgba(217, 122, 69, 0.06) 0%,
            transparent 30%,
            transparent 70%,
            rgba(217, 122, 69, 0.04) 100%);
    }
    .tui-wrap { padding: 36px 32px 120px; }
    .tui-top { padding: 16px 32px; border-radius: 0 0 24px 24px; }
    .tui-top-logo { width: 40px; height: 40px; font-size: 19px; }
    .tui-top-name { font-size: 20px; }

    /* 大屏导航不折叠：隐藏汉堡按钮，导航改为顶栏右侧横向内联菜单 */
    .tui-top-burger { display: none; }
    .tui-nav-mask { display: none !important; }
    .tui-nav {
        position: static;
        width: auto;
        transform: none;
        opacity: 1; visibility: visible;
        background: transparent;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        border: none;
        box-shadow: none;
        padding: 0;
        transition: none;
    }
    .tui-nav-list { display: flex; align-items: center; gap: 4px; }
    .tui-nav-item { border-bottom: none; }
    .tui-nav-link {
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 15px;
        white-space: nowrap;
    }
    .tui-nav-link:hover { background: var(--tui-card-2); }
    .tui-nav-link[aria-current="page"] {
        background: var(--tui-accent);
        color: var(--tui-accent-ink);
    }
    .tui-nav-sub { padding-left: 0; }

    /* 桌面端：用户昵称悬停展开下拉 */
    .tui-user-toggle { padding: 8px 16px; border-radius: 999px; }
    .tui-user-toggle:hover { background: var(--tui-card-2); }
    .tui-user-menu {
        display: block;
        position: absolute;
        top: calc(100% + 8px); right: 0;
        min-width: 140px;
        padding: 6px;
        background: var(--tui-glass-bg);
        -webkit-backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
        backdrop-filter: blur(var(--tui-glass-blur)) saturate(160%);
        border: 1px solid var(--tui-glass-border);
        border-radius: var(--tui-radius);
        box-shadow: var(--tui-shadow);
        opacity: 0; visibility: hidden;
        transform: translateY(-6px);
        transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
        z-index: 100;
    }
    .tui-nav-user:hover .tui-user-menu,
    .tui-nav-user:focus-within .tui-user-menu {
        opacity: 1; visibility: visible; transform: translateY(0);
    }
    .tui-user-menu .tui-nav-link {
        display: block; padding: 10px 14px; border-radius: var(--tui-radius-s);
        font-size: 14px;
    }
    .tui-user-caret { transform: rotate(45deg); }
    .tui-nav-user:hover .tui-user-caret,
    .tui-nav-user:focus-within .tui-user-caret { transform: rotate(225deg); margin-top: 4px; }
    .tui-slide img { height: 340px; }
    .tui-card-cover img { height: 220px; }
    .tui-card-body { padding: 20px 24px 6px; }
    .tui-card-title { font-size: 20px; }
    .tui-card-summary { font-size: 14.5px; }
    .tui-card-meta { padding: 14px 24px; font-size: 13px; }
    .tui-article-title { font-size: 30px; }
    .tui-article-content { padding: 12px 28px 8px; font-size: 16.5px; line-height: 1.9; }
    .tui-article-head { padding: 30px 28px 20px; }
    .tui-comments { padding: 28px; }
    .tui-comment { gap: 14px; margin-bottom: 18px; }
    .tui-comment-child { margin-left: 56px; }
    .tui-comment-avatar { width: 40px; height: 40px; }
    .tui-auth-card { max-width: 420px; padding: 32px 28px 24px; }
    .tui-footer { padding: 40px 32px 56px; font-size: 13px; }
    .tui-twitter { padding: 20px 24px; }
    .markdown { font-size: 16.5px; }
    .markdown h1 { font-size: 1.8em; }
    .markdown h2 { font-size: 1.45em; }
    .markdown p { margin: 0.8em 0; }
    .markdown pre { padding: 18px; font-size: 14px; }
    .tui-pagination a, .tui-pagination span { min-width: 40px; height: 40px; line-height: 38px; font-size: 15px; }

    /* 首页文章卡片双列网格 */
    .tui-home {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        align-items: start;
    }
    .tui-home .tui-slider,
    .tui-home .tui-twitter,
    .tui-home .tui-pagination,
    .tui-home .tui-empty {
        grid-column: 1 / -1;
    }
    .tui-home .tui-card { margin-bottom: 0; }
}

/* ---- 超宽屏：≥1400px ---- */
@media (min-width: 1400px) {
    :root { --tui-maxw: 1080px; }
    .tui-slide img { height: 380px; }
    .tui-home { gap: 24px; }
}

/* ---- 横竖屏切换 / 安全区适配 ---- */
.tui-wrap { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
.tui-footer { padding-bottom: calc(40px + env(safe-area-inset-bottom)); }

/* ---- 横屏手机优化 ---- */
@media (orientation: landscape) and (max-height: 500px) and (max-width: 900px) {
    .tui-auth-card { max-width: 420px; max-height: 90vh; overflow-y: auto; padding: 18px 20px 14px; }
    .tui-wrap { padding-top: 10px; }
    .tui-slide img { height: 140px; }
    .tui-card-cover img { height: 130px; }
}

/* ---- 评论历史消息：确保永不截断 ---- */
.tui-comment-content {
    white-space: normal;
    overflow: visible;
    max-height: none;
    -webkit-line-clamp: unset;
    display: block;
}
.tui-twitter-content {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    max-height: none;
}

/* ---- 减少动态偏好 ---- */
@media (prefers-reduced-motion: reduce) {
    .tui-slider-track, .tui-nav, .tui-auth-card, .tui-fab { transition: none !important; }
}

/* ============================================================
   导航下拉菜单（桌面端悬停展开 + 移动端内部滚动）
   ============================================================ */

/* ---- 桌面端：鼠标悬停展开子菜单 ---- */
@media (min-width: 1024px) {

    .tui-nav-item {
        position: relative;
    }

    /* 子菜单：默认隐藏 */
    .tui-nav-item > .tui-nav-sub {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 172px;
        max-height: 70vh;
        overflow-y: auto;
        padding: 6px;
        background: var(--tui-card);
        border: 1px solid var(--tui-line);
        border-radius: var(--tui-radius-s);
        box-shadow: var(--tui-shadow);
        z-index: 10;
        flex-direction: column;
        gap: 2px;
        animation: tuiDropIn 0.18s ease-out;
    }

    /* 最后一个分类的下拉右对齐，防止溢出屏幕 */
    .tui-nav-item:last-child > .tui-nav-sub {
        left: auto;
        right: 0;
    }

    /* 桥接区：鼠标从父级滑向子菜单时不断开 hover */
    .tui-nav-item > .tui-nav-sub::before {
        content: '';
        position: absolute;
        top: -8px;
        left: 0;
        right: 0;
        height: 8px;
        background: transparent;
    }

    /* 悬停父级或键盘 focus 时显示 */
    .tui-nav-item:hover > .tui-nav-sub,
    .tui-nav-item:focus-within > .tui-nav-sub {
        display: flex;
    }

    /* 子菜单链接 */
    .tui-nav-sub .tui-nav-link {
        display: block;
        padding: 8px 14px;
        border-radius: 6px;
        font-size: 14px;
        white-space: nowrap;
        text-align: left;
    }

    .tui-nav-sub .tui-nav-link:hover {
        background: var(--tui-card-2);
    }

    .tui-nav-sub .tui-nav-link[aria-current="page"] {
        background: var(--tui-card-2);
        color: var(--tui-accent-deep);
    }
}

/* ---- 移动端 / 平板：抽屉菜单内部滚动 ---- */
@media (max-width: 1023px) {

    .tui-nav {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    /* 让抽屉里的子菜单始终展开（移动端没有 hover） */
    .tui-nav-sub {
        display: block;
    }
}

/* 下拉入场动画 */
@keyframes tuiDropIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 语言切换 */
.tui-lang-wrap { position: relative; }
.tui-lang-btn {
    width: 40px; height: 40px;
    border: none; background: transparent;
    color: var(--tui-ink);
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--tui-radius-s);
    cursor: pointer;
}
.tui-lang-btn:hover { background: var(--tui-card-2); }
.tui-lang-menu {
    position: absolute;
    top: calc(100% + 6px); right: 0;
    min-width: 130px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 6px;
    margin: 0;
    list-style: none;
    background: var(--tui-card);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius-s);
    box-shadow: var(--tui-shadow);
    z-index: 100;
    display: none;
}
.tui-lang-menu.tui-open { display: block; }
.tui-lang-menu a {
    display: block;
    padding: 8px 14px;
    font-size: 13.5px;
    color: var(--tui-ink);
    border-radius: 6px;
    white-space: nowrap;
}
.tui-lang-menu a:hover { background: var(--tui-card-2); color: var(--tui-accent-deep); }
.tui-lang-menu a.active { background: var(--tui-card-2); color: var(--tui-accent-deep); font-weight: 600; }

/* ============ 目录 ============ */
.tui-toc {
    background: var(--tui-card);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius-s);
    padding: 14px 18px;
    margin: 16px 16px 0;
}
.tui-toc-title {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--tui-ink);
    font-size: 15px;
}
.tui-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.tui-toc-item { margin: 5px 0; }
.tui-toc-item a {
    color: var(--tui-ink-2);
    font-size: 14px;
    display: block;
    padding: 3px 0;
    transition: color .15s;
    border-left: 2px solid transparent;
    padding-left: 8px;
}
.tui-toc-item a:hover {
    color: var(--tui-accent-deep);
    border-left-color: var(--tui-accent);
}
.tui-toc-item.level-2 {
    padding-left: 20px;
}
.tui-toc-item.level-2 a {
    font-size: 13px;
}

/* ============ 代码块高度限制 ============ */
.tui-article-content pre {
    max-height: 480px;
    overflow-y: auto;
    position: relative;
}
.tui-article-content pre::-webkit-scrollbar {
    width: 8px;
}
.tui-article-content pre::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.25);
    border-radius: 4px;
}

/* ============ 隐藏内容框 ============ */
.hide-content-box {
    border: 2px dashed var(--tui-accent-2);
    border-radius: var(--tui-radius-s);
    padding: 14px 18px;
    margin: 18px 0;
    background: rgba(217, 122, 69, 0.06);
}
.hide-content-tip {
    font-size: 13.5px;
    color: var(--tui-accent-deep);
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--tui-line);
}
.hide-content-body {
    color: var(--tui-ink-2);
    font-size: 14.5px;
    line-height: 1.85;
}
html[data-theme="dark"] .hide-content-box {
    background: rgba(240, 138, 84, 0.08);
}

/* ============ 锚点滚动偏移 ============ */
.tui-article-content h2,
.tui-article-content h3 {
    scroll-margin-top: 80px;
}

/* ============================================================
   下载区块（网盘下载列表）
   ============================================================ */
.tui-download {
    margin: 20px 16px 16px;
    padding: 18px 20px;
    background: linear-gradient(135deg, #fff8ed 0%, #fef3e0 100%);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius);
    position: relative;
    overflow: hidden;
}
.tui-download::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 140px; height: 140px;
    background: radial-gradient(circle, rgba(217,122,69,.18), transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.tui-download > * { position: relative; z-index: 1; }

.tui-download-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--tui-accent-deep);
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--tui-line);
}
.tui-download-title svg {
    width: 18px; height: 18px;
    flex-shrink: 0;
}

.tui-download-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tui-download-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid var(--tui-line);
    border-radius: 12px;
    transition: all 0.2s ease;
    text-decoration: none;
    cursor: pointer;
}
.tui-download-item:hover {
    border-color: var(--tui-accent);
    box-shadow: 0 4px 14px rgba(217,122,69,.18);
    transform: translateY(-1px);
    opacity: 1;
}
.tui-download-item:active {
    transform: translateY(0);
}

.tui-download-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #4e6ef2, #2b4acb);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(43,74,203,.2);
}

.tui-download-info {
    flex: 1;
    min-width: 0;
}

.tui-download-name {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--tui-ink);
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tui-download-meta {
    font-size: 12px;
    color: var(--tui-ink-3);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.tui-download-code {
    display: inline-block;
    padding: 1px 8px;
    background: #fef3c7;
    color: #b45309;
    border-radius: 4px;
    font-weight: 700;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.tui-download-action {
    font-size: 13px;
    font-weight: 600;
    color: var(--tui-accent-deep);
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    white-space: nowrap;
}
.tui-download-action::after {
    content: '›';
    font-size: 18px;
    line-height: 1;
    transition: transform 0.2s;
}
.tui-download-item:hover .tui-download-action::after {
    transform: translateX(3px);
}

.tui-download-tip {
    margin-top: 12px;
    padding: 10px 14px;
    background: rgba(217,122,69,.08);
    border-left: 3px solid var(--tui-accent);
    border-radius: 0 8px 8px 0;
    font-size: 13px;
    color: var(--tui-ink-2);
    line-height: 1.65;
    word-break: break-word;
}

/* 深色模式 */
[data-theme="dark"] .tui-download {
    background: linear-gradient(135deg, #3a2f23 0%, #2c241b 100%);
}
[data-theme="dark"] .tui-download-item {
    background: #2c241b;
}
[data-theme="dark"] .tui-download-item:hover {
    background: #342a20;
    box-shadow: 0 4px 14px rgba(0,0,0,.35);
}
[data-theme="dark"] .tui-download-code {
    background: rgba(180,83,9,.28);
    color: #fbbf24;
}
[data-theme="dark"] .tui-download-tip {
    background: rgba(217,122,69,.12);
}

/* 移动端小屏适配 */
@media (max-width: 480px) {
    .tui-download { padding: 14px 14px; margin: 16px 12px 12px; }
    .tui-download-item { padding: 10px 12px; gap: 10px; }
    .tui-download-icon { width: 32px; height: 32px; font-size: 16px; }
    .tui-download-name { font-size: 13.5px; }
    .tui-download-action { display: none; }
}

/* ============================================================
   代码块 + 一键复制按钮
   ============================================================ */
.tui-pre-wrap {
    position: relative;
    margin: 1em 0;
}
.tui-pre-wrap pre {
    margin: 0;
    padding-top: 42px;   /* 给按钮留出空间，避免遮挡首行 */
}

.tui-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 12px;
    font-family: inherit;
    color: #c9bfa8;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    cursor: pointer;
    opacity: 0.55;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.tui-copy-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.tui-pre-wrap:hover .tui-copy-btn {
    opacity: 1;
}

.tui-copy-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-1px);
}
.tui-copy-btn:active {
    transform: translateY(0);
}

/* 复制成功状态 */
.tui-copy-btn.copied {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.12);
    border-color: rgba(74, 222, 128, 0.4);
    opacity: 1;
}

/* 移动端：始终显示按钮 */
@media (max-width: 640px) {
    .tui-copy-btn {
        opacity: 0.85;
        padding: 3px 8px;
        font-size: 11px;
    }
    .tui-pre-wrap pre {
        padding-top: 38px;
    }
}

/* 深色模式微调 */
[data-theme="dark"] .tui-copy-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #d8d0c0;
}

/* ============================================================
   首页 · 热门文章网格
   ============================================================ */
.tui-hot-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    grid-column: 1 / -1;
    margin-bottom: 8px;
}
@media (min-width: 768px) {
    .tui-hot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* 热门文章简介：限 2 行 */
.tui-hot-grid .tui-card-summary {
    -webkit-line-clamp: 2;
}

/* ============================================================
   版权声明 / 禁止转载
   ============================================================ */
.tui-copyright {
    margin: 16px 0;
    padding: 16px 20px;
    background: linear-gradient(135deg, #fef9f0 0%, #fdf2e0 100%);
    border: 1px solid var(--tui-line);
    border-left: 4px solid var(--tui-accent);
    border-radius: 0 var(--tui-radius-s) var(--tui-radius-s) 0;
    position: relative;
}
.tui-copyright-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--tui-accent-deep);
    margin-bottom: 10px;
}
.tui-copyright-head svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.tui-copyright-body {
    font-size: 13px;
    color: var(--tui-ink-2);
    line-height: 1.85;
}
.tui-copyright-body p {
    margin: 4px 0;
}
.tui-copyright-body strong {
    color: var(--tui-accent-deep);
    font-weight: 600;
}
.tui-copyright-body a {
    color: var(--tui-accent-deep);
    text-decoration: none;
    word-break: break-all;
    border-bottom: 1px dashed var(--tui-accent-2);
}
.tui-copyright-body a:hover {
    opacity: 0.85;
}

html[data-theme="dark"] .tui-copyright {
    background: linear-gradient(135deg, #3a2f23 0%, #2c241b 100%);
}

/* ============================================================
   文章目录：移动端在上方，大屏悬浮到文章左侧空白处
   ============================================================ */

/* 移动端 / 中小屏：目录在文章上方，正常文档流 */
.tui-toc-sidebar {
    margin-bottom: 16px;
}
.tui-toc-sidebar .tui-toc {
    margin: 0;
}

/* 大屏（≥1600px）：目录 fixed 到文章左侧空白，正文宽度不变 */
@media (min-width: 1600px) {
    .tui-toc-sidebar {
        position: fixed;
        top: 84px;
        right: calc(50% + var(--tui-maxw) / 2 + 16px);
        width: 200px;
        max-height: calc(100vh - 100px);
        overflow-y: auto;
        margin-bottom: 0;
        z-index: 5;
        padding-right: 4px;
        animation: tuiTocIn .25s ease-out;
    }
}

@keyframes tuiTocIn {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* 目录内部滚动条 */
.tui-toc-sidebar::-webkit-scrollbar { width: 6px; }
.tui-toc-sidebar::-webkit-scrollbar-thumb {
    background: var(--tui-line);
    border-radius: 3px;
}

/* 目录条目支持多行截断 */
.tui-toc-item a {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

/* ============================================================
   列表卡片：等高对齐优化
   ============================================================ */

/* grid 单元格里的卡片撑满高度 */
@media (min-width: 1024px) {
    .tui-home .tui-card {
        height: 100%;
        margin-bottom: 0;
    }
}

.tui-home .tui-card {
    display: flex;
    flex-direction: column;
}

.tui-home .tui-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* 标题：固定 2 行 */
.tui-home .tui-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
    max-height: 2.9em;
    margin-bottom: 8px;
}

/* 摘要：固定 3 行 */
.tui-home .tui-card-summary {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 5.1em;
    max-height: 5.1em;
    margin-bottom: 10px;
    flex: 0 0 auto;
}

/* 标签区：固定高度，无标签也占位 */
.tui-home .tui-card-tags {
    min-height: 22px;
    margin-bottom: 4px;
}

/* 移动端：不强制等高 */
@media (max-width: 1023px) {
    .tui-home .tui-card-title,
    .tui-home .tui-card-summary {
        min-height: auto;
    }
}

/* 热门文章 / 推荐阅读 */
.tui-hot-grid .tui-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin-bottom: 0;
}
.tui-hot-grid .tui-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.tui-hot-grid .tui-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
    max-height: 2.9em;
}
.tui-hot-grid .tui-card-summary {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.4em;
    max-height: 3.4em;
}

/* ============================================================
   视频嵌入（Bilibili / YouTube / 优酷 / 腾讯视频等）
   ============================================================ */

.tui-article-content .iframe-absbox,
.tui-article-content .wp-block-embed,
.tui-article-content .wp-block-embed__wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    border-radius: 10px;
    margin: 18px 0;
    background: #000;
}

.tui-article-content .iframe-absbox > iframe,
.tui-article-content .wp-block-embed iframe,
.tui-article-content .wp-block-embed__wrapper > iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.tui-article-content > iframe,
.tui-article-content p > iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
    border-radius: 10px;
    margin: 18px 0;
    display: block;
}

@media (max-width: 640px) {
    .tui-article-content .iframe-absbox,
    .tui-article-content .wp-block-embed,
    .tui-article-content .wp-block-embed__wrapper {
        padding-bottom: 60%;
    }
}

/* ============================================================
   Logo 闪光特效
   ============================================================ */

.tui-top-brand {
    position: relative;
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    border-radius: 8px;
    padding: 2px;
    transition: transform 0.3s ease;
}
.tui-top-brand:hover {
    transform: scale(1.03);
}

.tui-top-brand img {
    display: block;
    height: 34px;
    width: auto;
    border-radius: 6px;
    position: relative;
    z-index: 1;
}

/* 白色闪光扫过 */
.tui-top-brand::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        100deg,
        transparent 0%,
        rgba(255, 255, 255, 0) 30%,
        rgba(255, 255, 255, 0.75) 50%,
        rgba(255, 255, 255, 0) 70%,
        transparent 100%
    );
    transform: skewX(-20deg);
    z-index: 2;
    pointer-events: none;
    animation: tuiLogoSweep 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes tuiLogoSweep {
    0%   { left: -100%; }
    25%  { left: 150%; }
    100% { left: 150%; }
}

/* 深色模式：光带偏暖色 */
html[data-theme="dark"] .tui-top-brand::after {
    background: linear-gradient(
        100deg,
        transparent 0%,
        rgba(255, 255, 255, 0) 30%,
        rgba(255, 220, 160, 0.55) 50%,
        rgba(255, 255, 255, 0) 70%,
        transparent 100%
    );
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .tui-top-brand::after {
        animation: none !important;
    }
}

/* 移动端：不 hover 放大 */
@media (max-width: 768px) {
    .tui-top-brand:hover {
        transform: none;
    }
}

/* ============================================================
   底部备案号
   ============================================================ */
.tui-icp {
    margin-top: 6px;
    font-size: 11.5px;
    color: var(--tui-ink-3);
}
.tui-icp a {
    color: var(--tui-ink-3);
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.tui-icp a::before {
    content: '🛡️';
    font-size: 11px;
    opacity: 0.7;
    filter: grayscale(0.3);
}
.tui-icp a:hover {
    color: var(--tui-accent-deep);
    opacity: 1;
}
/* ============================================================
   v2.1 视觉增强包（追加式，不影响现有规则）
   ============================================================ */

/* ---------- 1. 卡片悬停：上浮 + 阴影 + 图片放大 ---------- */
.tui-card {
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.tui-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(139, 98, 42, 0.15);
    border-color: var(--tui-accent-2);
}
html[data-theme="dark"] .tui-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
.tui-card-cover {
    overflow: hidden;
}
.tui-card-cover img {
    transition: transform 0.5s cubic-bezier(.2, 0, .2, 1);
}
.tui-card:hover .tui-card-cover img {
    transform: scale(1.04);
}

/* ---------- 2. 导航滚动阴影 ---------- */
.tui-top {
    transition: box-shadow 0.25s ease, background 0.25s ease;
}
body.tui-scrolled .tui-top {
    box-shadow: 0 4px 20px rgba(139, 98, 42, 0.08);
}
html[data-theme="dark"] body.tui-scrolled .tui-top {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* ---------- 3. 分页 hover ---------- */
.tui-pagination a {
    transition: all 0.2s ease;
}
.tui-pagination a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217, 122, 69, 0.2);
    background: var(--tui-accent);
    color: var(--tui-accent-ink);
    border-color: var(--tui-accent);
}
.tui-pagination .page_now {
    box-shadow: 0 4px 12px rgba(217, 122, 69, 0.3);
}

/* ---------- 4. 相邻文章：滑入竖线 + 右移 ---------- */
.tui-neighbor {
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.tui-neighbor::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--tui-accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.25s ease;
}
.tui-neighbor:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}
.tui-neighbor:hover {
    background: var(--tui-card-2);
    border-color: var(--tui-accent-2);
    padding-left: 18px;
}

/* ---------- 5. 返回顶部按钮 hover ---------- */
.tui-fab {
    transition: all 0.25s cubic-bezier(.2, 0, .2, 1);
    opacity: 0.9;
}
.tui-fab:hover {
    transform: translateY(-2px) scale(1.05);
    opacity: 1;
    box-shadow: 0 8px 24px rgba(139, 98, 42, 0.25);
}
html[data-theme="dark"] .tui-fab:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* ---------- 6. 文章链接：下划线动画 ---------- */
.tui-article-content a {
    background-image: linear-gradient(var(--tui-accent), var(--tui-accent));
    background-size: 0% 1px;
    background-repeat: no-repeat;
    background-position: 0 100%;
    transition: background-size 0.3s ease;
}
.tui-article-content a:hover {
    background-size: 100% 1px;
    opacity: 1;
}

/* ---------- 7. 阅读进度条（需配 JS） ---------- */
.tui-reading-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--tui-accent-2), var(--tui-accent));
    z-index: 9999;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(217, 122, 69, 0.6);
}

/* ---------- 8. 空状态图标 ---------- */
.tui-empty {
    position: relative;
    padding: 60px 20px;
    font-size: 15px;
}
.tui-empty::before {
    content: '📭';
    display: block;
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.35;
    filter: grayscale(0.3);
}
html[data-theme="dark"] .tui-empty::before {
    filter: none;
    opacity: 0.25;
}

/* ---------- 9. 微语：左侧装饰竖线 ---------- */
.tui-twitter-item {
    position: relative;
    padding-left: 14px;
}
.tui-twitter-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(to bottom,
        var(--tui-accent-2),
        transparent);
    border-radius: 1px;
}

/* ---------- 10. 深色模式补全 ---------- */
html[data-theme="dark"] .tui-copyright-body {
    color: var(--tui-ink-2);
}
html[data-theme="dark"] .tui-copyright-body strong {
    color: var(--tui-accent);
}
html[data-theme="dark"] .tui-neighbor {
    background: var(--tui-card);
}
html[data-theme="dark"] .tui-neighbor:hover {
    background: var(--tui-card-2);
}
html[data-theme="dark"] .tui-tag {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--tui-line);
}
html[data-theme="dark"] .tui-download-icon {
    background: linear-gradient(135deg, #3b5998, #1e3a8a);
}

/* ---------- 11. 打印样式 ---------- */
@media print {
    .tui-top,
    .tui-nav,
    .tui-nav-mask,
    .tui-fab,
    .tui-toc-sidebar,
    .tui-neighbors,
    .tui-download,
    .tui-copyright,
    .tui-comments,
    .tui-footer,
    .tui-reading-bar {
        display: none !important;
    }
    .tui-wrap { padding: 0; max-width: 100%; }
    .tui-article-content { font-size: 12pt; color: #000; }
    .tui-article-content a { color: #000; text-decoration: underline; }
    .tui-article-content pre {
        background: #f5f5f5;
        color: #333;
        border: 1px solid #ddd;
    }
}

/* ---------- 12. 图片骨架屏 ---------- */
.tui-card-cover {
    background: linear-gradient(110deg,
        var(--tui-bg-soft) 8%,
        var(--tui-card-2) 18%,
        var(--tui-bg-soft) 33%);
    background-size: 200% 100%;
    animation: tuiSkeleton 1.5s linear infinite;
}
.tui-card-cover img {
    background: transparent;
}
@keyframes tuiSkeleton {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.tui-card-cover img[src] {
    animation: none;
}

/* ---------- 13. 输入框 focus 外发光 ---------- */
.tui-field input,
.tui-search-input,
.tui-comment-post textarea {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.tui-field input:focus,
.tui-search-input:focus,
.tui-comment-post textarea:focus {
    box-shadow: 0 0 0 3px rgba(217, 122, 69, 0.12);
}

/* ---------- 14. 复制成功脉冲 ---------- */
@keyframes tuiCopyPulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.08); }
    100% { transform: scale(1); }
}
.tui-copy-btn.copied {
    animation: tuiCopyPulse 0.4s ease;
}

/* ---------- 15. 减少动画覆盖 ---------- */
@media (prefers-reduced-motion: reduce) {
    .tui-card,
    .tui-card-cover img,
    .tui-neighbor,
    .tui-fab,
    .tui-pagination a,
    .tui-article-content img,
    .tui-copy-btn,
    .tui-copyright,
    .tui-lang-menu {
        transition: none !important;
        animation: none !important;
    }
    .tui-card:hover,
    .tui-neighbor:hover,
    .tui-fab:hover {
        transform: none !important;
    }
    .tui-card-cover { animation: none !important; }
}
/* ============================================================
   字号调节器
   ============================================================ */
.tui-font-control {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
    background: var(--tui-card-2);
    border: 1px solid var(--tui-line);
    border-radius: 999px;
    padding: 2px;
}
.tui-font-btn {
    min-width: 28px;
    height: 26px;
    padding: 0 8px;
    border: none;
    background: transparent;
    color: var(--tui-ink-2);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.tui-font-btn:hover {
    color: var(--tui-accent-deep);
}
.tui-font-btn.active {
    background: var(--tui-accent);
    color: var(--tui-accent-ink);
    box-shadow: 0 2px 6px rgba(217, 122, 69, 0.3);
}

/* 字号变量 */
html[data-font-size="small"]  .tui-article-content { font-size: 14px; }
html[data-font-size="large"]  .tui-article-content { font-size: 19px; }

/* ============================================================
   阅读进度提示（返回顶部按钮上方）
   ============================================================ */
.tui-fab-progress {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--tui-accent-deep);
    background: var(--tui-card);
    padding: 1px 6px;
    border-radius: 8px;
    border: 1px solid var(--tui-line);
    white-space: nowrap;
    display: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
body.tui-scrolled .tui-fab-progress { display: block; }
/* ============================================================
   打赏
   ============================================================ */
.tui-reward {
    text-align: center;
    margin: 24px 0;
}
.tui-reward-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 32px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: #fff;
    border: none;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(238, 90, 36, 0.3);
    transition: all 0.25s ease;
}
.tui-reward-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(238, 90, 36, 0.4);
}
.tui-reward-panel {
    display: none;
    justify-content: center;
    gap: 32px;
    margin-top: 20px;
    padding: 24px;
    background: var(--tui-card);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius);
    animation: tuiRewardIn 0.3s ease;
}
.tui-reward-panel.show { display: flex; }
@keyframes tuiRewardIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.tui-reward-item { text-align: center; }

/* ★ 二维码图片加大 */
.tui-reward-item img {
    width: 240px;
    height: 240px;
    border-radius: 12px;
    border: 4px solid #fff;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    object-fit: cover;
    cursor: zoom-in;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tui-reward-item img:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
}
.tui-reward-item p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--tui-ink-2);
    font-weight: 600;
}
[data-theme="dark"] .tui-reward-item img {
    border-color: var(--tui-line);
}

/* 移动端：二维码适度缩小，但比原来大 */
@media (max-width: 640px) {
    .tui-reward-panel {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding: 20px 16px;
    }
    .tui-reward-item img {
        width: 200px;
        height: 200px;
    }
}
@media (max-width: 360px) {
    .tui-reward-item img {
        width: 180px;
        height: 180px;
    }
}

/* ============================================================
   二维码放大预览（点击打赏图片时弹出）
   ============================================================ */
.tui-reward-zoom {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
    animation: tuiZoomIn 0.22s ease;
}
.tui-reward-zoom.show { display: flex; }
@keyframes tuiZoomIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.tui-reward-zoom img {
    max-width: 92vw;
    max-height: 92vh;
    width: auto;
    height: auto;
    border-radius: 14px;
    border: 6px solid #fff;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: #fff;
    animation: tuiZoomPop 0.28s cubic-bezier(.2, 0, .2, 1);
}
@keyframes tuiZoomPop {
    from { transform: scale(0.85); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}
.tui-reward-zoom-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
}
.tui-reward-zoom-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.08);
}
@media (max-width: 640px) {
    .tui-reward-zoom-close {
        top: 12px;
        right: 12px;
        width: 40px;
        height: 40px;
        font-size: 22px;
    }
}
/* ============================================================
   文章目录
   ============================================================ */
.tui-toc {
    background: var(--tui-card);
    border: 1px solid var(--tui-line);
    border-radius: var(--tui-radius-s);
    padding: 14px 18px;
}
.tui-toc-title {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--tui-ink);
    font-size: 15px;
}
.tui-toc-list { list-style: none; padding: 0; margin: 0; }
.tui-toc-item { margin: 5px 0; }
.tui-toc-item a {
    color: var(--tui-ink-2);
    font-size: 14px;
    display: block;
    padding: 3px 0 3px 8px;
    transition: all .15s;
    border-left: 2px solid transparent;
    text-decoration: none;
}
.tui-toc-item a:hover {
    color: var(--tui-accent-deep);
    border-left-color: var(--tui-accent);
}
.tui-toc-item a.tui-toc-active {
    color: var(--tui-accent-deep);
    border-left-color: var(--tui-accent);
    font-weight: 600;
    background: rgba(217, 122, 69, 0.06);
}
.tui-toc-item.level-3 { padding-left: 20px; }
.tui-toc-item.level-3 a { font-size: 13px; }

/* ============================================================
   代码块高度限制
   ============================================================ */
.tui-article-content pre {
    max-height: 480px;
    overflow-y: auto;
    position: relative;
}
.tui-article-content pre::-webkit-scrollbar { width: 8px; }
.tui-article-content pre::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.25);
    border-radius: 4px;
}

/* ============================================================
   隐藏内容框
   ============================================================ */
.hide-content-box {
    border: 2px dashed var(--tui-accent-2);
    border-radius: var(--tui-radius-s);
    padding: 14px 18px;
    margin: 18px 0;
    background: rgba(217, 122, 69, 0.06);
}
.hide-content-tip {
    font-size: 13.5px;
    color: var(--tui-accent-deep);
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--tui-line);
}
.hide-content-body {
    color: var(--tui-ink-2);
    font-size: 14.5px;
    line-height: 1.85;
}
html[data-theme="dark"] .hide-content-box {
    background: rgba(240, 138, 84, 0.08);
}

/* ============================================================
   锚点滚动偏移
   ============================================================ */
.tui-article-content h2,
.tui-article-content h3 {
    scroll-margin-top: 80px;
}

/* ============================================================
   下载说明
   ============================================================ */
.tui-download-note {
    margin-top: 6px;
    padding: 6px 10px;
    background: rgba(217, 122, 69, 0.08);
    border-left: 3px solid var(--tui-accent);
    border-radius: 0 6px 6px 0;
    font-size: 12.5px;
    color: var(--tui-ink-2);
    line-height: 1.65;
    word-break: break-all;
}
html[data-theme="dark"] .tui-download-note {
    background: rgba(240, 138, 84, 0.12);
}

/* 首页/列表页/作者页通用（已有则忽略） */
.tui-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--tui-line);
}
.tui-section-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tui-ink);
    display: flex;
    align-items: center;
    gap: 8px;
}
.tui-section-meta {
    font-size: 13px;
    color: var(--tui-ink-3);
}
/* ============================================================
   用户页头像（大号圆形）
   ============================================================ */
.tui-user-profile {
    display: flex;
    gap: 18px;
    align-items: center;
}

.tui-user-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--tui-card);
    box-shadow: 0 4px 14px rgba(139, 98, 42, 0.18);
    background: var(--tui-bg-soft);
    position: relative;
}

.tui-user-avatar-lg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(.2, 0, .2, 1);
}

.tui-user-avatar-lg:hover img {
    transform: scale(1.08);
}

.tui-user-info {
    flex: 1;
    min-width: 0;
}

/* 深色模式边框 */
html[data-theme="dark"] .tui-user-avatar-lg {
    border-color: var(--tui-card);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

/* 移动端：头像稍小 */
@media (max-width: 640px) {
    .tui-user-profile {
        gap: 14px;
    }
    .tui-user-avatar-lg {
        width: 64px;
        height: 64px;
        border-width: 2px;
    }
}