/* ==========================================================================
   Sytronic Hub — App 端（innerapp.sytronichub.com）
   延续主站主题变量：绿色主色 + Nunito + Material Icons Round + 圆角卡片
   移动端：无侧边栏 / 无顶部栏 / 无 footbar，改为底部五项菜单
   电脑端：常驻左侧边栏（logo + 导航 + footbar 简略版）+ 右侧固定格式页面
   ========================================================================== */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body.app-body {
    font-family: 'Nunito', sans-serif;
    background: var(--surface);
    color: var(--on-surface);
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button { font-family: inherit; }
[hidden] { display: none !important; }
.material-icons-round { font-size: 20px; line-height: 1; user-select: none; }
.muted { color: var(--on-sv); font-size: 13px; }

/* ---------------------------------------------------------------- 骨架布局 */

.app-shell { display: block; }

.app-sidebar { display: none; }

.app-tabbar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: calc(var(--app-tabbar-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    display: flex;
    align-items: stretch;
    background: var(--surface-cl);
    border-top: 1px solid var(--outline-v);
    z-index: 60;
}

.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    position: relative;
    color: var(--on-sv);
    font-size: 11px;
    font-weight: 700;
    transition: color .2s;
    -webkit-tap-highlight-color: transparent;
}
.tab-item .material-icons-round { font-size: 22px; }
.tab-item.active { color: var(--primary); }
.tab-item.active .material-icons-round { font-variation-settings: 'FILL' 1; }
.tab-avatar { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }
.tab-item.active .tab-avatar { box-shadow: 0 0 0 2px var(--primary); }
.tab-badge {
    position: absolute; top: 4px; left: 50%; margin-left: 6px;
    min-width: 16px; height: 16px; padding: 0 4px;
    border-radius: 8px; background: #E53935; color: #fff;
    font-size: 10px; font-weight: 800; line-height: 16px; text-align: center;
}

.app-main {
    padding: calc(var(--app-topbar-h) + 14px) 14px calc(var(--app-tabbar-h) + env(safe-area-inset-bottom, 0px) + 22px);
    max-width: 860px;
    margin: 0 auto;
}

/* ------------------------------------------------- 顶部栏（仅移动端） */

.app-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--app-topbar-h);
    z-index: 66;
    display: flex;
    align-items: center;
    padding: 0 10px;
    background: var(--surface-cl);
    border-bottom: 1px solid var(--outline-v);
}

/* Logo 绝对居中：不受返回按钮是否显示影响 */
.topbar-logo {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    display: inline-flex; align-items: center; gap: 8px;
    white-space: nowrap;
    pointer-events: auto;
}
.topbar-logo img { width: 28px; height: 28px; border-radius: 8px; object-fit: contain; }
.topbar-name { font-size: 15px; font-weight: 900; letter-spacing: -.2px; }

.topbar-back {
    position: relative;
    z-index: 1;
    display: inline-flex; align-items: center; gap: 2px;
    max-width: 42%;
    border: none; background: none; cursor: pointer;
    color: var(--on-surface);
    font-size: 13px; font-weight: 800;
    padding: 7px 12px 7px 6px; border-radius: 999px;
    transition: background .18s;
}
.topbar-back:hover { background: var(--surface-ch); }
.topbar-back .material-icons-round { font-size: 16px; flex-shrink: 0; }
.topbar-back-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ------------------------------------------------------------ 电脑端侧边栏 */

@media (min-width: 1024px) {
    .app-tabbar { display: none; }

    .app-sidebar {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0; left: 0; bottom: 0;
        width: var(--app-sidebar-w);
        background: var(--surface-clo);
        border-right: 1px solid var(--outline-v);
        padding: 18px 12px 10px;
        overflow-y: auto;
        z-index: 70;
    }
    .app-sidebar::-webkit-scrollbar { width: 4px; }
    .app-sidebar::-webkit-scrollbar-thumb { background: var(--outline-v); border-radius: 2px; }

    .as-brand {
        display: flex; align-items: center; gap: 10px;
        padding: 6px 10px 16px;
    }
    .as-brand-logo { width: 34px; height: 34px; border-radius: 10px; object-fit: contain; flex-shrink: 0; }
    .as-brand-name { font-size: 16px; font-weight: 900; letter-spacing: -.2px; }

    .as-nav { display: flex; flex-direction: column; gap: 2px; }

    .as-item {
        display: flex; align-items: center; gap: 12px;
        padding: 10px 12px; border-radius: 12px;
        font-size: 14px; font-weight: 700; color: var(--on-sv);
        transition: background .18s, color .18s;
    }
    .as-item:hover { background: var(--surface-ch); }
    .as-item.active { background: var(--primary-container); color: var(--on-primary-container); }
    .as-item .material-icons-round { font-size: 20px; flex-shrink: 0; }
    .as-avatar { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
    .as-user-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    /* footbar 简略版 */
    .as-foot {
        margin-top: auto;
        padding: 16px 10px 6px;
        border-top: 1px solid var(--outline-v);
    }
    .as-foot-links {
        display: flex; flex-wrap: wrap; gap: 4px 10px;
        font-size: 11px; line-height: 1.9; color: var(--outline);
    }
    .as-foot-links a { color: var(--outline); transition: color .18s; }
    .as-foot-links a:hover { color: var(--primary); }
    .as-copyright { margin-top: 10px; font-size: 11px; color: var(--outline); }

    .app-viewport { margin-left: var(--app-sidebar-w); }
    /* 桌面端隐藏顶栏，右侧页面铺满可用宽度，避免大片留白 */
    .app-topbar { display: none; }
    .app-main {
        max-width: none;
        width: 100%;
        margin: 0;
        padding: 24px 34px 72px;
    }
}

@media (min-width: 1800px) {
    .app-main { padding-left: 48px; padding-right: 48px; }
}

/* ---------------------------------------------------------------- 通用元素 */

.page { display: block; }

.page-head { margin-bottom: 16px; }
.page-head-row {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
}
.page-title { font-size: 22px; font-weight: 900; letter-spacing: -.3px; }
.page-sub { font-size: 12.5px; color: var(--on-sv); margin-top: 4px; }

.sec-title {
    font-size: 15px; font-weight: 900;
    padding-left: 12px; position: relative;
}
.sec-title::before {
    content: ''; position: absolute; left: 0; top: 50%;
    transform: translateY(-50%); width: 4px; height: 15px;
    border-radius: 2px; background: var(--primary);
}

.section-head {
    display: flex; align-items: center; justify-content: space-between;
    margin: 4px 0 12px;
}
.page-section { margin-top: 20px; }

.center-actions {
    display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
    margin-top: 18px;
}

.crumbs { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--on-sv); margin-bottom: 6px; }
.crumbs .material-icons-round { font-size: 15px; }

/* 按钮 */
.btn-primary, .btn-ghost, .btn-link {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border: none; cursor: pointer; font-weight: 800; font-size: 13px;
    padding: 9px 18px; border-radius: 999px; transition: opacity .18s, background .18s;
}
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { opacity: .88; }
.btn-ghost { background: var(--surface-ch); color: var(--on-sv); }
.btn-ghost:hover { background: var(--surface-chh); }
.btn-link { background: none; color: var(--primary); padding: 6px 8px; text-decoration: underline; }
.btn-ghost .material-icons-round, .btn-primary .material-icons-round { font-size: 17px; }

.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 50%;
    background: none; border: none; cursor: pointer; color: var(--on-sv);
    transition: background .18s;
}
.icon-btn:hover { background: var(--surface-ch); }

/* 标签 / 胶囊 */
.chip-row {
    display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 10px;
    -ms-overflow-style: none; scrollbar-width: none;
}
.chip-row::-webkit-scrollbar { display: none; }
.chip {
    flex-shrink: 0; padding: 6px 14px; border-radius: 999px;
    background: var(--surface-ch); color: var(--on-sv);
    font-size: 12.5px; font-weight: 700; border: none; cursor: pointer;
    white-space: nowrap; transition: background .18s, color .18s;
}
.chip:hover { background: var(--surface-chh); }
.chip.active { background: var(--primary); color: var(--on-primary); }
.chip-row-sm { padding-bottom: 6px; }
.chip-row-sm .chip { font-size: 11.5px; padding: 5px 12px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag-pill {
    display: inline-block; padding: 5px 12px; border-radius: 999px;
    background: var(--surface-ch); color: var(--on-sv);
    font-size: 12px; font-weight: 700; transition: background .18s, color .18s;
}
.tag-pill:hover { background: var(--primary-container); color: var(--on-primary-container); }

/* 空状态 */
.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 10px; padding: 52px 16px; text-align: center;
}
.empty-state .material-icons-round { font-size: 48px; color: var(--outline-v); }
.empty-state p { font-size: 13px; color: var(--on-sv); }

/* ------------------------------------------------------------- 媒体卡片网格 */

.media-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
@media (min-width: 640px)  { .media-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; } }
@media (min-width: 1024px) {
    /* 用 auto-fill 让卡片随可用宽度自然增多，右侧不再留白 */
    .media-grid { grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 16px; }
}
.media-grid-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) { .media-grid-compact { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .media-grid-compact { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); } }

.m-card {
    display: flex; flex-direction: column;
    background: var(--surface-clo); border-radius: 16px; overflow: hidden;
    transition: transform .2s, background .2s;
}
.m-card:hover { transform: translateY(-3px); background: var(--surface-ch); }

.m-thumb {
    position: relative; aspect-ratio: 16 / 9;
    background: var(--surface-ch); overflow: hidden;
}
.m-thumb img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .3s;
}
.m-card:hover .m-thumb img { transform: scale(1.06); }
.m-thumb-ph {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--on-sv);
}
.m-thumb-ph .material-icons-round { font-size: 34px; }

.m-dur {
    position: absolute; right: 6px; bottom: 6px;
    padding: 1px 6px; border-radius: 6px;
    background: rgba(0, 0, 0, .72); color: #fff;
    font-size: 10.5px; font-weight: 700; line-height: 1.55;
}
.m-kind {
    position: absolute; left: 6px; top: 6px;
    padding: 2px 8px; border-radius: 8px;
    background: rgba(255, 255, 255, .88); color: var(--on-surface);
    font-size: 10.5px; font-weight: 800;
}
.m-play {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, .22);
    opacity: 0; transition: opacity .2s;
    color: #fff;
}
.m-play .material-icons-round { font-size: 38px; filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35)); }
.m-card:hover .m-play { opacity: 1; }

.m-body { padding: 9px 10px 11px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.m-title {
    font-size: 13px; font-weight: 800; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; min-height: 2.7em;
}
.m-desc {
    font-size: 11.5px; color: var(--on-sv); line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.m-meta {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    margin-top: auto; font-size: 11px; color: var(--on-sv); font-weight: 600;
}
.m-author { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 55%; }
.m-stat { display: inline-flex; align-items: center; gap: 2px; }
.m-stat .material-icons-round { font-size: 13px; }

/* 加载更多 */
.load-more-wrap { display: flex; justify-content: center; padding: 20px 0 6px; }
.btn-load-more {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 26px; border-radius: 999px; border: none; cursor: pointer;
    background: var(--surface-ch); color: var(--on-sv);
    font-size: 13px; font-weight: 800; transition: background .18s;
}
.btn-load-more:hover { background: var(--surface-chh); }
.btn-load-more.loading { opacity: .6; pointer-events: none; }
.feed-end { text-align: center; font-size: 12px; color: var(--outline); padding: 18px 0 4px; }

.btn-refresh {
    display: inline-flex; align-items: center; gap: 4px;
    border: none; background: var(--surface-ch); color: var(--on-sv);
    border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 800; cursor: pointer;
}
.btn-refresh:hover { background: var(--surface-chh); }
.btn-refresh .material-icons-round { font-size: 15px; }

/* ------------------------------------------------------------------- 首页 */

.hero { margin-bottom: 18px; }
.hero-track {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
    gap: 10px; border-radius: 18px;
    -ms-overflow-style: none; scrollbar-width: none;
}
.hero-track::-webkit-scrollbar { display: none; }
.hero-slide {
    position: relative; flex: 0 0 100%; scroll-snap-align: start;
    aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden;
    background: var(--surface-ch);
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-overlay {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 40px 16px 14px;
    background: linear-gradient(to top, rgba(0, 0, 0, .78) 0%, rgba(0, 0, 0, .3) 55%, transparent 100%);
    color: #fff;
}
.hero-tag {
    display: inline-block; padding: 2px 9px; border-radius: 8px;
    font-size: 10.5px; font-weight: 800; margin-bottom: 6px; color: #fff;
}
.hero-title { font-size: 15px; font-weight: 900; line-height: 1.35; }
.hero-dots {
    display: flex; gap: 5px; justify-content: center; padding-top: 10px;
}
.hero-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--outline-v); transition: all .3s; cursor: pointer;
}
.hero-dot.active { width: 18px; border-radius: 3px; background: var(--primary); }

@media (min-width: 1024px) {
    .hero-slide { aspect-ratio: 21 / 9; }
    .hero-overlay { padding: 60px 30px 22px; }
    .hero-title { font-size: 22px; }
}

/* ------------------------------------------------------------------- 搜索 */

.search-bar {
    display: flex; align-items: center; gap: 8px;
    background: var(--surface-ch); border-radius: 999px;
    padding: 4px 6px 4px 14px; position: relative;
}
.search-bar-icon { color: var(--on-sv); font-size: 20px; flex-shrink: 0; }
.search-bar input {
    flex: 1; min-width: 0; border: none; background: none; outline: none;
    font-size: 14px; font-family: inherit; color: var(--on-surface);
    padding: 9px 0;
}
.search-bar input::-webkit-search-cancel-button { display: none; }
.search-bar-clear {
    border: none; background: none; cursor: pointer; color: var(--outline);
    display: flex; align-items: center; padding: 4px;
}
.search-bar-submit {
    border: none; cursor: pointer; flex-shrink: 0;
    background: var(--primary); color: var(--on-primary);
    border-radius: 999px; padding: 9px 18px; font-size: 13px; font-weight: 800;
}
.result-summary { font-size: 12.5px; color: var(--on-sv); margin: 12px 0 4px; }

.search-hint {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 10px; padding: 56px 20px; text-align: center;
}
.search-hint .material-icons-round { font-size: 46px; color: var(--outline-v); }
.search-hint p { font-size: 13px; color: var(--on-sv); }

.user-list { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
.user-row {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: 14px; transition: background .18s;
}
.user-row:hover { background: var(--surface-ch); }
.user-row-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.user-row-body { flex: 1; min-width: 0; }
.user-row-name { font-size: 14px; font-weight: 800; }
.user-row-sub {
    font-size: 12px; color: var(--on-sv);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.user-row > .material-icons-round { color: var(--outline-v); }

/* ------------------------------------------------------------------- 热门 */

.rank-list { list-style: none; display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.rank-item { display: flex; align-items: center; gap: 10px; }
.rank-no {
    flex-shrink: 0; width: 24px; text-align: center;
    font-size: 15px; font-weight: 900; color: var(--outline);
}
.rank-no.top { color: var(--primary); }
.rank-card {
    flex: 1; min-width: 0; display: flex; gap: 12px;
    padding: 8px; border-radius: 14px; transition: background .18s;
}
.rank-card:hover { background: var(--surface-ch); }
.rank-thumb {
    position: relative; flex-shrink: 0;
    width: 128px; aspect-ratio: 16 / 9;
    border-radius: 12px; overflow: hidden; background: var(--surface-ch);
}
.rank-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rank-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; justify-content: center; }
.rank-body .m-title { min-height: 0; -webkit-line-clamp: 2; }

@media (max-width: 420px) {
    .rank-thumb { width: 104px; }
}

/* ------------------------------------------------------------- 用户主页 */

/* 头图 */
.profile-banner {
    position: relative;
    width: 100%;
    aspect-ratio: 3.2 / 1;
    overflow: hidden;
    border-radius: 18px;
    background: var(--surface-ch);
}
@media (min-width: 768px)  { .profile-banner { aspect-ratio: 4.5 / 1; } }
@media (min-width: 1024px) { .profile-banner { aspect-ratio: 6 / 1; } }
.profile-banner img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
}
.profile-banner-fade {
    position: absolute; left: 0; right: 0; bottom: 0; height: 55%;
    background: linear-gradient(to top, var(--surface) 0%, transparent 100%);
    pointer-events: none;
}

/* 用户信息：无背景色，头像压在头图下沿 */
.profile-head {
    display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px;
    padding: 0 4px;
    margin-top: -40px;
    margin-bottom: 18px;
    position: relative;
    background: none;
}
.profile-avatar {
    width: 84px; height: 84px; border-radius: 50%; object-fit: cover;
    flex-shrink: 0; background: var(--surface);
    border: 4px solid var(--surface);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
}
.profile-info { flex: 1; min-width: 180px; padding-bottom: 2px; }
.profile-name { font-size: 20px; font-weight: 900; letter-spacing: -.3px; }
.profile-handle { font-size: 12.5px; color: var(--on-sv); margin-top: 2px; }
.profile-bio { font-size: 12.5px; color: var(--on-sv); margin-top: 6px; line-height: 1.5; }

/* 简介：默认两行 + 展开更多（与主站一致） */
.profile-bio-block { margin-top: 8px; }
.profile-bio-clamp {
    font-size: 12.5px; line-height: 1.6; color: var(--on-sv);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; word-break: break-word;
}
.bio-more {
    margin-top: 4px; padding: 0; border: none; background: none; cursor: pointer;
    color: var(--primary); font-size: 12.5px; font-weight: 800;
}
.bio-more:hover { text-decoration: underline; }
.profile-stats { display: flex; gap: 20px; margin-top: 12px; }
.pstat { display: flex; flex-direction: column; }
.pstat-num { font-size: 15px; font-weight: 900; line-height: 1.2; }
.pstat-label { font-size: 11px; color: var(--on-sv); font-weight: 700; }
.profile-actions { display: flex; gap: 8px; align-items: center; padding-bottom: 4px; }

.btn-follow {
    display: inline-flex; align-items: center; gap: 5px;
    border: none; cursor: pointer;
    padding: 9px 20px; border-radius: 999px;
    background: var(--primary); color: var(--on-primary);
    font-size: 13px; font-weight: 800; transition: opacity .18s, background .18s;
}
.btn-follow .material-icons-round { font-size: 17px; }
.btn-follow.following { background: var(--surface-ch); color: var(--on-sv); }

.tab-row {
    display: flex; gap: 4px; border-bottom: 1px solid var(--outline-v);
    margin-bottom: 14px; overflow-x: auto;
    -ms-overflow-style: none; scrollbar-width: none;
}
.tab-row::-webkit-scrollbar { display: none; }
.tab {
    flex-shrink: 0; padding: 9px 16px; border: none; background: none; cursor: pointer;
    font-size: 13.5px; font-weight: 800; color: var(--on-sv);
    border-bottom: 3px solid transparent; margin-bottom: -1px;
    display: inline-flex; align-items: center; gap: 5px;
    transition: color .18s, border-color .18s;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-count {
    min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px;
    background: #E53935; color: #fff; font-size: 10px; font-weight: 800;
    line-height: 17px; text-align: center;
}

.about-card { border-radius: 16px; background: var(--surface-clo); padding: 6px 16px; }

/* 详细资料模态框内容 */
.modal-card-lg { max-width: 640px; }
.detail-sections { display: flex; flex-direction: column; gap: 16px; }
.detail-block h4 {
    font-size: 13px; font-weight: 900; margin-bottom: 5px;
    color: var(--on-surface);
}
.detail-block p {
    font-size: 13px; line-height: 1.65; color: var(--on-sv);
    word-break: break-word; margin-bottom: 2px;
}
.detail-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.detail-chip {
    padding: 3px 10px; border-radius: 999px;
    background: var(--surface-ch); color: var(--on-surface);
    font-size: 12px; font-weight: 700;
    transition: background .18s;
}
.detail-chip:hover { background: var(--primary-container); color: var(--on-primary-container); }
.detail-links { list-style: none; margin-top: 4px; display: flex; flex-direction: column; gap: 4px; }
.detail-links li { font-size: 12.5px; color: var(--on-sv); word-break: break-all; }
.detail-link-title { font-weight: 800; color: var(--on-surface); }
.detail-links a { color: var(--primary); font-weight: 600; }
.detail-links a:hover { text-decoration: underline; }
.about-row {
    display: flex; justify-content: space-between; gap: 16px;
    padding: 12px 0; border-bottom: 1px solid var(--surface-ch);
    font-size: 13px;
}
.about-row:last-child { border-bottom: none; }
.about-row span { color: var(--on-sv); }
.about-row b { font-weight: 700; text-align: right; word-break: break-word; }

/* ------------------------------------------------------------------- 消息 */

.msg-list, .conv-list { display: flex; flex-direction: column; gap: 8px; }
.msg-card {
    background: var(--surface-clo); border-radius: 16px; padding: 14px 16px;
    border-left: 3px solid transparent;
}
.msg-card.unread { border-left-color: var(--primary); background: var(--surface-c); }
.msg-card-head { display: flex; align-items: center; gap: 8px; }
.msg-card-head .material-icons-round { font-size: 18px; color: var(--primary); }
.msg-title { flex: 1; font-size: 13.5px; font-weight: 800; }
.msg-time { font-size: 11px; color: var(--outline); }
.msg-body { font-size: 12.5px; color: var(--on-sv); margin-top: 6px; line-height: 1.55; }

.conv-row {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 16px; background: var(--surface-clo);
    transition: background .18s;
}
.conv-row:hover { background: var(--surface-ch); }
.conv-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.conv-body { flex: 1; min-width: 0; }
.conv-top { display: flex; justify-content: space-between; gap: 8px; }
.conv-name { font-size: 13.5px; font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-time { font-size: 11px; color: var(--outline); flex-shrink: 0; }
.conv-preview {
    font-size: 12px; color: var(--on-sv); margin-top: 3px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.conv-badge {
    min-width: 19px; height: 19px; padding: 0 5px; border-radius: 10px;
    background: #E53935; color: #fff; font-size: 10.5px; font-weight: 800;
    line-height: 19px; text-align: center; flex-shrink: 0;
}

/* --------------------------------------------------------------- 历史记录 */

.history-group { margin-bottom: 20px; }
.history-date {
    display: flex; align-items: center; gap: 8px;
    font-size: 13.5px; font-weight: 800; margin-bottom: 10px; cursor: pointer;
}
.history-date input { width: 16px; height: 16px; accent-color: var(--primary); }
.history-grid {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
}
@media (min-width: 640px)  { .history-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .history-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); } }
.history-item { position: relative; }
.history-check {
    position: absolute; top: 8px; left: 8px; z-index: 2;
    width: 16px; height: 16px; accent-color: var(--primary);
}
.history-link { display: block; }
.history-thumb {
    position: relative; aspect-ratio: 16 / 9; border-radius: 14px;
    overflow: hidden; background: var(--surface-ch);
}
.history-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.history-link .m-title { margin-top: 8px; min-height: 0; -webkit-line-clamp: 2; }
.head-actions { display: flex; gap: 8px; align-items: center; }

/* --------------------------------------------------------------- 收藏夹 */

.folder-block { margin-bottom: 24px; }
.folder-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; margin-bottom: 12px;
}
.folder-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 900; min-width: 0;
}
.folder-title .material-icons-round { color: var(--primary); }
.folder-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-count {
    font-size: 11px; font-weight: 800; color: var(--on-sv);
    background: var(--surface-ch); border-radius: 999px; padding: 2px 9px;
}
.folder-badge {
    font-size: 10.5px; font-weight: 800; color: var(--on-primary-container);
    background: var(--primary-container); border-radius: 999px; padding: 2px 8px;
}
.folder-tools { flex-shrink: 0; }
.folder-del:hover { color: #E53935; background: rgba(229, 57, 53, .1); }

/* --------------------------------------------------------------- 设置页 */

.setting-grid {
    display: grid; grid-template-columns: 1fr; gap: 10px;
}
@media (min-width: 640px)  { .setting-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .setting-grid { grid-template-columns: repeat(3, 1fr); } }
.setting-card {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 16px; border-radius: 18px; background: var(--surface-clo);
    transition: transform .18s, background .18s;
}
.setting-card:hover { transform: translateY(-2px); background: var(--surface-ch); }
.setting-card > .material-icons-round { font-size: 26px; color: var(--primary); flex-shrink: 0; }
.setting-card h3 { font-size: 14px; font-weight: 800; }
.setting-card p { font-size: 12px; color: var(--on-sv); margin-top: 3px; line-height: 1.45; }
.setting-card.danger > .material-icons-round { color: #E53935; }

.link-list { display: flex; flex-direction: column; margin-top: 10px; }
.link-list a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 4px; border-bottom: 1px solid var(--surface-ch);
    font-size: 13.5px; font-weight: 700;
}
.link-list a:last-child { border-bottom: none; }
.link-list .material-icons-round { font-size: 17px; color: var(--outline); }

/* ------------------------------------------------------- 视频页（固定布局） */

.vf-layout { display: block; }
@media (min-width: 1024px) {
    .vf-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 348px;
        gap: 24px;
        align-items: start;
    }
}

.vf-player {
    position: relative; width: 100%; aspect-ratio: 16 / 9;
    background: #000; border-radius: 16px; overflow: hidden;
}
.vf-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vf-placeholder {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px; color: #ddd; text-align: center; padding: 16px;
}
.vf-placeholder .material-icons-round { font-size: 40px; }
.vf-placeholder p { font-size: 13px; }

.vf-title {
    font-size: 17px; font-weight: 900; line-height: 1.4;
    margin: 14px 0 8px; word-break: break-word;
}
@media (min-width: 1024px) { .vf-title { font-size: 20px; } }

.vf-meta {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px;
    font-size: 11.5px; color: var(--on-sv); font-weight: 600;
}
.vf-meta-item { display: inline-flex; align-items: center; gap: 4px; }
.vf-meta-item .material-icons-round { font-size: 15px; }
.vf-meta-item b { font-weight: 800; }
.vf-cat { color: var(--primary); font-weight: 800; }
.vf-sv { font-weight: 800; letter-spacing: .2px; }
.vf-sep { color: var(--outline-v); }

/* 稿件说明 / 退回理由 */
.vf-disclaimer { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.vf-disclaimer-pill {
    display: inline-block; padding: 3px 12px; border-radius: 999px;
    background: var(--primary-container); color: var(--on-primary-container);
    font-size: 11.5px; font-weight: 800;
}
.vf-reject { font-size: 12px; font-weight: 700; color: #B71C1C; }

.vf-actions {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin: 14px 0; padding-bottom: 14px;
    border-bottom: 1px solid var(--surface-ch);
}
.action-btn {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 7px 14px; border-radius: 999px; border: none; cursor: pointer;
    background: var(--surface-ch); color: var(--on-sv);
    font-size: 12.5px; font-weight: 800;
    transition: background .18s, color .18s;
}
.action-btn:hover { background: var(--surface-chh); }
.action-btn.active { background: var(--primary-container); color: var(--on-primary-container); }
.action-btn .material-icons-round { font-size: 17px; }

.vf-author {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 0 16px; border-bottom: 1px solid var(--surface-ch);
}
.vf-author-link { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.vf-author-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.vf-author-info { min-width: 0; }
.vf-author-name { font-size: 14px; font-weight: 800; }
.vf-author-bio {
    font-size: 11.5px; color: var(--on-sv); margin-top: 2px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px;
}

.vf-desc {
    padding: 14px 0; font-size: 13px; line-height: 1.7;
    color: var(--on-surface); border-bottom: 1px solid var(--surface-ch);
    white-space: pre-wrap; word-break: break-word;
}
.vf-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 0; }

.vf-comments { margin-top: 8px; }
.vf-comments-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.vf-comment-count { font-size: 12px; color: var(--on-sv); font-weight: 700; }

.cm-form { display: flex; gap: 8px; align-items: flex-end; margin-bottom: 16px; }
.cm-form textarea {
    flex: 1; min-width: 0; border: none; outline: none; resize: vertical;
    background: var(--surface-c); border-radius: 14px; padding: 10px 14px;
    font-family: inherit; font-size: 13px; color: var(--on-surface);
}
.cm-form textarea:focus { background: var(--surface-ch); }

.cm-list { display: flex; flex-direction: column; gap: 16px; }
.cm-item { display: flex; gap: 10px; }
.cm-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.cm-avatar.sm { width: 26px; height: 26px; }
.cm-body { flex: 1; min-width: 0; }
.cm-head { display: flex; align-items: center; gap: 8px; }
.cm-user { font-size: 12.5px; font-weight: 800; }
.cm-time { font-size: 11px; color: var(--outline); }
.cm-text { font-size: 13px; line-height: 1.6; margin-top: 4px; word-break: break-word; white-space: pre-wrap; }
.cm-tools { display: flex; gap: 12px; margin-top: 6px; }
.cm-like {
    display: inline-flex; align-items: center; gap: 4px;
    border: none; background: none; cursor: pointer;
    font-size: 11.5px; font-weight: 700; color: var(--on-sv);
}
.cm-like .material-icons-round { font-size: 15px; }
.cm-like.active { color: var(--primary); }
.cm-replies {
    margin-top: 12px; padding-left: 12px;
    border-left: 2px solid var(--surface-ch);
    display: flex; flex-direction: column; gap: 12px;
}
.cm-reply { display: flex; gap: 8px; }
.cm-empty { font-size: 12.5px; color: var(--on-sv); padding: 18px 0; text-align: center; }

.vf-side { margin-top: 24px; }
@media (min-width: 1024px) { .vf-side { margin-top: 0; } }
.vf-series { margin-bottom: 22px; }
.vf-series-list {
    display: flex; flex-direction: column; gap: 2px;
    margin-top: 10px; max-height: 300px; overflow-y: auto;
}
.vf-series-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: 10px; font-size: 12.5px;
    transition: background .18s;
}
.vf-series-item:hover { background: var(--surface-ch); }
.vf-series-item.current { background: var(--primary-container); color: var(--on-primary-container); font-weight: 800; }
.vf-series-no { font-size: 11px; font-weight: 800; color: var(--outline); width: 16px; text-align: center; flex-shrink: 0; }
.vf-series-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.vf-rec-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.vf-rec-item { display: flex; gap: 10px; border-radius: 14px; transition: background .18s; padding: 6px; }
.vf-rec-item:hover { background: var(--surface-ch); }
.vf-rec-thumb {
    position: relative; flex-shrink: 0; width: 132px; aspect-ratio: 16 / 9;
    border-radius: 10px; overflow: hidden; background: var(--surface-ch);
}
.vf-rec-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vf-rec-body { min-width: 0; display: flex; flex-direction: column; gap: 5px; justify-content: center; }
.vf-rec-title {
    font-size: 12.5px; font-weight: 800; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ----------------------------------------------------------------- 图文页 */

.article-card {
    background: var(--surface-clo); border-radius: 20px; padding: 20px;
}
@media (min-width: 1024px) { .article-card { padding: 30px 34px; } }
.article-title { font-size: 21px; font-weight: 900; line-height: 1.35; }
@media (min-width: 1024px) { .article-title { font-size: 26px; } }
.article-meta {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    font-size: 12px; color: var(--on-sv); margin-top: 12px;
}
.article-author { display: inline-flex; align-items: center; gap: 7px; font-weight: 800; color: var(--on-surface); }
.article-author img { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.dot-sep { color: var(--outline-v); }
.article-cover { margin: 18px 0; border-radius: 16px; overflow: hidden; }
.article-cover img { width: 100%; display: block; }
.article-body { font-size: 14.5px; line-height: 1.85; margin-top: 18px; word-break: break-word; max-width: 920px; }
.article-body p { margin-bottom: 12px; }
.article-body img { border-radius: 12px; margin: 10px 0; }
.article-images { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; max-width: 920px; }
.article-images img { border-radius: 14px; display: block; }

/* --------------------------------------------------- 权限不足（拒绝访问） */

.notice-bar {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 11px 14px; border-radius: 14px;
    font-size: 12.5px; line-height: 1.5; font-weight: 700;
    margin-bottom: 14px;
}
.notice-bar .material-icons-round { font-size: 18px; flex-shrink: 0; }
.notice-bar.warn { background: #FFF4E0; color: #8A5300; }

.deny-card {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 10px; padding: 46px 24px; margin-top: 18px;
    background: var(--surface-clo); border-radius: 20px;
}
.page-user .deny-card { margin-top: 0; }
.deny-icon {
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--surface-ch); color: var(--on-sv);
    display: flex; align-items: center; justify-content: center;
}
.deny-icon .material-icons-round { font-size: 34px; }
.deny-title { font-size: 17px; font-weight: 900; line-height: 1.55; max-width: 520px; }
.deny-desc { font-size: 13px; color: var(--on-sv); line-height: 1.6; max-width: 460px; }

/* --------------------------------------------------------------- 登录引导 */

.page-need-login { display: flex; justify-content: center; padding-top: 40px; }
.login-prompt {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 10px; max-width: 380px;
    background: var(--surface-clo); border-radius: 24px; padding: 34px 24px;
}
.login-prompt-icon {
    width: 68px; height: 68px; border-radius: 50%;
    background: var(--primary-container); color: var(--on-primary-container);
    display: flex; align-items: center; justify-content: center;
}
.login-prompt-icon .material-icons-round { font-size: 34px; }
.login-prompt h1 { font-size: 18px; font-weight: 900; }
.login-prompt p { font-size: 13px; color: var(--on-sv); line-height: 1.6; }
.login-prompt-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; justify-content: center; }

/* ------------------------------------------------------------ 断网提示 UI */

.offline-overlay {
    position: fixed; inset: 0; z-index: 300;
    display: flex; align-items: center; justify-content: center; padding: 24px;
    background: rgba(247, 250, 247, .97);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.offline-overlay[hidden] { display: none; }
.offline-card {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 10px; max-width: 360px;
}
.offline-icon {
    width: 76px; height: 76px; border-radius: 50%;
    background: var(--surface-ch); color: var(--on-sv);
    display: flex; align-items: center; justify-content: center;
}
.offline-icon .material-icons-round { font-size: 36px; }
.offline-title { font-size: 19px; font-weight: 900; }
.offline-desc { font-size: 13px; color: var(--on-sv); line-height: 1.6; }
.offline-btn {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 6px;
    border: none; cursor: pointer; border-radius: 999px;
    padding: 11px 26px; background: var(--primary); color: var(--on-primary);
    font-size: 14px; font-weight: 800;
}
.offline-hint { font-size: 11.5px; color: var(--outline); min-height: 16px; }

.offline-inline {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    text-align: center; padding: 60px 20px;
}
.offline-inline .material-icons-round { font-size: 46px; color: var(--outline-v); }
.offline-inline h1 { font-size: 19px; font-weight: 900; }
.offline-inline p { font-size: 13px; color: var(--on-sv); }

/* 顶部加载进度条 */
.nav-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0;
    background: var(--primary); z-index: 260;
    opacity: 0; transition: width .25s ease, opacity .3s;
    border-radius: 0 3px 3px 0;
}
.nav-progress.active { opacity: 1; }

/* ------------------------------------------------------------------- 模态框 */

.modal-overlay {
    position: fixed; inset: 0; z-index: 220;
    display: none; align-items: center; justify-content: center; padding: 20px;
    background: rgba(0, 0, 0, .42);
}
.modal-overlay.show { display: flex; }
.modal-card {
    width: 100%; max-width: 430px; max-height: 86vh; overflow-y: auto;
    background: var(--surface-cl); border-radius: 22px; padding: 20px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, .22);
}
.modal-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px;
}
.modal-head h3 { font-size: 16px; font-weight: 900; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field > span { font-size: 12.5px; font-weight: 800; color: var(--on-sv); }
.field input, .field textarea, .field select {
    border: 1px solid var(--outline-v); border-radius: 12px;
    padding: 10px 12px; font-family: inherit; font-size: 13.5px;
    background: var(--surface); color: var(--on-surface); outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--primary); }

/* Cookie */
.cookie-option {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 0; border-bottom: 1px solid var(--surface-ch);
}
.cookie-option:last-of-type { border-bottom: none; }
.cookie-option input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); flex-shrink: 0; }
.cookie-desc { flex: 1; }
.cookie-title { font-size: 13px; font-weight: 800; }
.cookie-sub { font-size: 11.5px; color: var(--on-sv); margin-top: 2px; }

.cookie-banner {
    position: fixed; left: 10px; right: 10px; z-index: 210;
    bottom: calc(var(--app-tabbar-h) + env(safe-area-inset-bottom, 0px) + 10px);
    display: none; flex-direction: column; gap: 10px;
    background: var(--surface-cl); border-radius: 18px; padding: 14px 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .16);
}
.cookie-banner.show { display: flex; }
.cookie-banner p { font-size: 12.5px; line-height: 1.55; }
.cookie-banner-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
@media (min-width: 1024px) {
    .cookie-banner { left: auto; right: 20px; bottom: 20px; width: 380px; }
}

/* Toast */
.app-toast {
    position: fixed; left: 50%; z-index: 280;
    bottom: calc(var(--app-tabbar-h) + env(safe-area-inset-bottom, 0px) + 26px);
    transform: translateX(-50%) translateY(20px);
    background: var(--on-surface); color: var(--surface);
    padding: 11px 24px; border-radius: 14px;
    font-size: 13px; font-weight: 700; white-space: nowrap;
    opacity: 0; pointer-events: none; transition: opacity .28s, transform .28s;
    max-width: 88vw; overflow: hidden; text-overflow: ellipsis;
}
.app-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (min-width: 1024px) { .app-toast { bottom: 30px; } }

/* 骨架屏 */
.skeleton {
    border-radius: 16px; background: var(--surface-ch);
    animation: sk-pulse 1.3s ease-in-out infinite;
}
@keyframes sk-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }