/* 客栈主题 — 暖 / 红
 * 全部颜色走变量；组件禁止写死色号；全站扁平无阴影。
 */

/* ========== 暖版（默认） ==========
 * 同时落到 body.forum-body：压过 style.css 的 body.theme-ink
 * （后者会把 --gold/--accent/--bg-card 改成深棕）
 */
:root,
body.forum-body {
    --page-bg: #f5efe1;
    --bg-card: #fffcf5;
    --toolbar-bg: #fffcf5;
    --header-bg: rgba(245, 239, 225, 0.94);
    --input-bg: #fffdf8;
    --text-main: #3a2b1a;
    --text-minor: #8a7355;
    --text-faint: #a89070;
    --border: #d4c0a0;
    --line-divider: #e6d7bc;

    --accent: #5a4228;
    --accent-strong: #3a2b1a;
    --accent-rgb: 90, 66, 40;
    --gold: #a07f5b;
    --gold-deep: #8a6a4a;
    --gold-light: #e8d4a8;
    --gold-rgb: 160, 127, 91;

    --title-color: var(--accent-strong);
    --tag-bg: #fffaf0;
    --tag-text: #5a4228;
    --tag-active-bg: #a07f5b;
    --tag-active-text: #fffaf0;
    --tag-pay-bg: #f0d8b8;
    --tag-pay-text: #7a4a22;
    --badge-partner-bg: #f0d8b8;
    --badge-partner-text: #7a4a22;

    --btn-solid-bg: #a07f5b;
    --btn-solid-text: #fffaf0;
    --btn-solid-border: #a07f5b;
    --btn-solid-hover: #8a6a4a;
    --btn-ghost-bg: transparent;
    --btn-ghost-text: #5a4228;
    --btn-ghost-border: #a07f5b;
    --btn-ghost-hover: rgba(160, 127, 91, 0.10);

    --taiji-dark: #5a4228;
    --taiji-light: #f5efe1;
    --ring-alpha: 0.14;
    --taiji-opacity: 0.10;
    --danger: #a03028;

    /* 旧名 → 新角色 */
    --page-bg-gradient: var(--page-bg);
    --card-body-gradient: var(--bg-card);
    --card-cover-gradient: var(--bg-card);
    --shadow: transparent;
    --shadow-rgb: 120, 80, 30;
    --overlay-rgb: 245, 239, 225;
    --mask: rgba(80, 50, 20, 0.25);
    --btn-highlight-bg: var(--btn-solid-bg);
    --btn-highlight-text: var(--btn-solid-text);
    --btn-outline-bg: var(--btn-ghost-bg);
    --btn-outline-border: var(--btn-ghost-border);
    --btn-outline-text: var(--btn-ghost-text);
    --btn-normal-bg: var(--btn-ghost-bg);
    --btn-normal-text: var(--btn-ghost-text);
    --btn-normal-hover: var(--btn-ghost-hover);
    --btn-search-bg: var(--btn-solid-bg);
    --btn-search-text: var(--btn-solid-text);
    --btn-search-border: var(--btn-solid-border);
    --btn-search-hover-bg: var(--btn-solid-hover);
    --btn-post-bg: var(--btn-solid-bg);
    --btn-post-text: var(--btn-solid-text);
    --btn-post-border: var(--btn-solid-border);
    --btn-post-hover-bg: var(--btn-solid-hover);
    --forum-hover: rgba(var(--gold-rgb), 0.10);
}


/* ========== 红版 ========== */
:root.red,
html.red,
html.red body.forum-body,
html.theme-red body.forum-body {
    --page-bg: #f5efe1;
    --bg-card: #fffcf5;
    --toolbar-bg: #fffcf5;
    --header-bg: rgba(245, 239, 225, 0.94);
    --input-bg: #fffdf8;
    --text-main: #3a2b1a;
    --text-minor: #8a7355;
    --text-faint: #a08070;
    --border: #c4a89a;
    --line-divider: #e0d0c0;

    --accent: #7b2222;
    --accent-strong: #5a1a1a;
    --accent-rgb: 123, 34, 34;
    --gold: #7b2222;
    --gold-deep: #5a1a1a;
    --gold-light: #f0d8d0;
    --gold-rgb: 123, 34, 34;

    --title-color: var(--accent-strong);
    --tag-bg: #fffaf0;
    --tag-text: #5a3a2a;
    --tag-active-bg: #7b2222;
    --tag-active-text: #ffffff;
    --tag-pay-bg: #7b2222;
    --tag-pay-text: #ffffff;
    --badge-partner-bg: #7b2222;
    --badge-partner-text: #ffffff;

    --btn-solid-bg: #7b2222;
    --btn-solid-text: #ffffff;
    --btn-solid-border: #7b2222;
    --btn-solid-hover: #5a1a1a;
    --btn-ghost-bg: transparent;
    --btn-ghost-text: #7b2222;
    --btn-ghost-border: #7b2222;
    --btn-ghost-hover: rgba(123, 34, 34, 0.08);

    --taiji-dark: #7b2222;
    --taiji-light: #f5efe1;
    --ring-alpha: 0.14;
    --taiji-opacity: 0.10;
    --danger: #8f1d1d;

    --page-bg-gradient: var(--page-bg);
    --card-body-gradient: var(--bg-card);
    --card-cover-gradient: var(--bg-card);
    --shadow: transparent;
    --shadow-rgb: 100, 30, 30;
    --overlay-rgb: 245, 239, 225;
    --mask: rgba(80, 30, 30, 0.25);
    --btn-highlight-bg: var(--btn-solid-bg);
    --btn-highlight-text: var(--btn-solid-text);
    --btn-outline-bg: var(--btn-ghost-bg);
    --btn-outline-border: var(--btn-ghost-border);
    --btn-outline-text: var(--btn-ghost-text);
    --btn-normal-bg: var(--btn-ghost-bg);
    --btn-normal-text: var(--btn-ghost-text);
    --btn-normal-hover: var(--btn-ghost-hover);
    --btn-search-bg: var(--btn-solid-bg);
    --btn-search-text: var(--btn-solid-text);
    --btn-search-border: var(--btn-solid-border);
    --btn-search-hover-bg: var(--btn-solid-hover);
    --btn-post-bg: var(--btn-solid-bg);
    --btn-post-text: var(--btn-solid-text);
    --btn-post-border: var(--btn-solid-border);
    --btn-post-hover-bg: var(--btn-solid-hover);
    --forum-hover: rgba(var(--gold-rgb), 0.10);
}

/* 旧变量别名 */
:root {
    --forum-bg: var(--page-bg);
    --forum-card: var(--bg-card);
    --forum-card-border: var(--border);
    --forum-text: var(--text-main);
    --forum-muted: var(--text-minor);
    --forum-gold: var(--gold);
    --forum-gold-light: var(--gold-light);
    --forum-gold-dim: var(--border);
    --forum-input-bg: var(--input-bg);
    --forum-line: var(--line-divider);
    --forum-radius: 14px;
    --forum-shadow: none;
}

body.theme-ink,
.forum-body,
.forum-page {
    background: var(--page-bg) !important;
    background-color: var(--page-bg) !important;
    color: var(--text-main) !important;
}

.forum-body {
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
    min-height: 100vh;
    position: relative;
}

.forum-body a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
.forum-body a:hover { color: var(--accent-strong); }

.forum-body .forum-float-post-btn,
.forum-body .forum-toc-fab { position: fixed; z-index: 90; }

/* 全站扁平化：删阴影/发光 */
* { box-shadow: none; }

/* Header */
.forum-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--page-bg);
    border-bottom: 1px solid var(--forum-gold-dim);
}

.forum-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.forum-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", serif;
    font-size: 22px;
    color: var(--gold);
    white-space: nowrap;
}

.forum-brand img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.forum-header-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.forum-header-nav a,
.forum-header-nav button {
    color: var(--text-minor);
    font-size: 14px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 0;
    transition: color 0.2s;
}

.forum-header-nav a:hover,
.forum-header-nav button:hover {
    color: var(--gold);
}

/* Main */
.forum-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 20px 80px;
}

/* Toolbar - 左右分区 */
.forum-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding: 18px;
    background: var(--forum-card);
    border: 1px solid var(--forum-card-border);
    border-radius: var(--forum-radius); box-shadow: none;
}

.forum-search {
    flex: 1;
    min-width: 0;
}

.forum-search input {
    width: 100%;
    padding: 12px 16px;
    background: var(--forum-input-bg);
    border: 1px solid var(--forum-gold-dim);
    border-radius: 10px;
    color: var(--forum-text);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.forum-search input:focus {
    border-color: var(--forum-gold); box-shadow: none;
}

.forum-search input::placeholder {
    color: var(--text-minor);
}

.forum-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ========== 全站按钮：只认 solid / ghost ========== */
.forum-btn-secondary,
.forum-toc-fab,
.forum-page-btn,
.forum-theme-switch button,
.admin-btn,
.admin-tab {
    background: var(--btn-ghost-bg) !important;
    border: 1px solid var(--btn-ghost-border) !important;
    color: var(--btn-ghost-text) !important;
}

.forum-btn-secondary:hover,
.forum-toc-fab:hover,
.forum-page-btn:hover,
.forum-theme-switch button:hover,
.admin-btn:hover,
.admin-tab:hover {
    background: var(--btn-ghost-hover) !important;
    border-color: var(--btn-ghost-border) !important;
    color: var(--btn-ghost-text) !important;
}

.forum-search-btn,
.forum-btn-primary,
.forum-post-btn,
.forum-apply-btn,
.forum-float-post-btn,
.forum-comment-submit,
.forum-page-btn.active,
.forum-theme-switch button.active,
.admin-btn--approve,
.admin-btn--primary {
    background: var(--btn-solid-bg) !important;
    border: 1px solid var(--btn-solid-border) !important;
    color: var(--btn-solid-text) !important;
}

/* 选中标签/徽章：强调色底，单独走 --tag-active-* */
.forum-tag.active {
    background: var(--tag-active-bg) !important;
    border: 1px solid var(--tag-active-bg) !important;
    color: var(--tag-active-text) !important;
}

.forum-search-btn:hover,
.forum-btn-primary:hover,
.forum-post-btn:hover,
.forum-apply-btn:hover,
.forum-float-post-btn:hover,
.forum-comment-submit:hover,
.admin-btn--approve:hover,
.admin-btn--primary:hover {
    background: var(--btn-solid-hover) !important;
    border-color: var(--btn-solid-hover) !important;
    color: var(--btn-solid-text) !important;
}

.forum-btn-danger {
    background: transparent !important;
    border: 1px solid var(--danger) !important;
    color: var(--danger) !important;
}
.forum-btn-danger:hover {
    background: var(--danger) !important;
    border-color: var(--danger) !important;
    color: var(--page-bg) !important;
}

/* 尺寸/布局（颜色已在上方统一，这里只管外形） */
.forum-search-btn,
.forum-btn-primary,
.forum-post-btn,
.forum-apply-btn,
.forum-btn-secondary {
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.forum-search-btn { box-shadow: none;
}

.forum-float-post-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none; box-shadow: none;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    cursor: pointer;
}
.forum-float-post-btn:hover { box-shadow: none;
    transform: translateY(-2px);
}

.forum-toc-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 90;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer; box-shadow: none;
    transition: all 0.2s;
}

.forum-comment-submit {
    margin-top: 12px;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.forum-theme-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}
.forum-theme-switch button {
    padding: 5px 12px !important;
    border-radius: 999px !important;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.forum-theme-switch button.active {
    font-weight: 600;
}


/* Tags */
.forum-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.forum-tag {
    padding: 9px 18px;
    background: var(--tag-bg);
    border: 1px solid var(--forum-gold-dim);
    border-radius: 999px;
    color: var(--text-minor);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.forum-tag:hover {
    border-color: var(--forum-gold);
    background: var(--page-bg);
    color: var(--text-main);
}

.forum-tag.active { font-weight: 600; }

/* Cards */
.forum-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.forum-card {
    background: var(--forum-card) !important;
    border: 1px solid var(--forum-card-border) !important;
    border-radius: var(--forum-radius);
    overflow: hidden; box-shadow: none;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.forum-card:hover {
    transform: translateY(-3px);
    border-color: var(--forum-gold); box-shadow: none;
}

.forum-card-cover {
    height: 180px;
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

.forum-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.forum-card-cover--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 14px;
    font-family: "Ma Shan Zheng", "STKaiti", serif;
}

.forum-card-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    gap: 8px;
}

.forum-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.forum-badge-paid {
    background: var(--tag-pay-bg);
    color: var(--tag-pay-text);
    border: 1px solid var(--tag-pay-bg);
}

.forum-badge-partner,
.forum-badge-member {
    background: var(--badge-partner-bg);
    color: var(--badge-partner-text);
    border: 1px solid var(--badge-partner-bg);
}

.forum-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.forum-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--title-color);
    margin-bottom: 10px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.forum-card-summary {
    font-size: 14px;
    color: var(--text-minor);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
    flex: 1;
}

.forum-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-minor);
    border-top: 1px solid var(--forum-gold-dim);
    padding-top: 14px;
}

.forum-card-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.forum-card-author img {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
}

.forum-card-avatar-placeholder {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--forum-gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-minor);
}

.forum-card-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.forum-card-date,
.forum-card-category {
    color: var(--text-minor);
}

/* Empty / Loading */
.forum-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-minor);
}

.forum-empty h3 {
    color: var(--text-main);
    font-size: 18px;
    margin-bottom: 8px;
}

.forum-loading {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-minor);
}

/* Pagination */
.forum-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
}

.forum-pagination button {
    padding: 10px 18px;
    background: var(--forum-card);
    border: 1px solid var(--forum-card-border);
    border-radius: 8px;
    color: var(--text-minor);
    cursor: pointer;
    transition: all 0.2s;
}

.forum-pagination button:hover:not(:disabled) {
    border-color: var(--forum-gold);
    color: var(--text-main);
    background: var(--page-bg);
}

.forum-pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.forum-pagination-info {
    color: var(--text-minor);
    font-size: 14px;
}

/* ========== 独立发文页 ========== */
.forum-post-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 20px 80px;
}

.forum-post-container {
    background: var(--forum-card);
    border: 1px solid var(--forum-card-border);
    border-radius: var(--forum-radius); box-shadow: none;
    overflow: hidden;
}

.forum-post-head {
    padding: 28px 32px;
    border-bottom: 1px solid var(--forum-gold-dim);
}

.forum-post-head h1 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", serif;
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 8px;
    font-weight: 700;
}

.forum-post-head p {
    color: var(--text-minor);
    font-size: 14px;
}

.forum-post-form {
    padding: 32px;
}

.forum-post-field {
    margin-bottom: 24px;
}

.forum-post-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-minor);
    margin-bottom: 8px;
}

.forum-post-field input,
.forum-post-field select,
.forum-post-field textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--forum-input-bg);
    border: 1px solid var(--forum-gold-dim);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.forum-post-field input:focus,
.forum-post-field select:focus,
.forum-post-field textarea:focus {
    border-color: var(--forum-gold); box-shadow: none;
}

.forum-post-field--title input {
    font-size: 20px;
    font-weight: 600;
    padding: 16px 18px;
}

.forum-post-field--meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.forum-post-field--settings {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.forum-post-field textarea {
    min-height: 420px;
    resize: vertical;
    line-height: 1.8;
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 16px;
}

.forum-post-field select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b4423' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.forum-post-field option {
    background: var(--tag-bg);
    color: var(--text-main);
}

.forum-post-hint {
    font-size: 13px;
    color: var(--text-minor);
    margin-top: 8px;
}

.forum-cover-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.forum-cover-row input[type="text"] {
    flex: 1;
    min-width: 0;
}

.forum-cover-row .forum-btn-secondary {
    flex-shrink: 0;
    white-space: nowrap;
}

.forum-cover-preview {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--input-bg);
}

.forum-cover-preview img {
    display: block;
    width: 100%;
    max-height: 200px;
    object-fit: cover;
}

/* ========== 弹框：默认隐藏，.is-open 才显示 ========== */
.forum-modal,
.forum-modal-overlay {
    position: fixed !important;
    inset: 0;
    z-index: 2000;
    display: none !important;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.48);
    box-sizing: border-box;
}

.forum-modal.is-open,
.forum-modal-overlay.is-open,
.forum-modal:not([hidden]).is-open {
    display: flex !important;
}

.forum-modal[hidden],
.forum-modal-overlay[hidden] {
    display: none !important;
    pointer-events: none !important;
    visibility: hidden !important;
}

.forum-modal-card,
.forum-modal-overlay > .forum-modal {
    position: relative !important;
    inset: auto !important;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: min(520px, 100%);
    max-height: min(88vh, 760px);
    overflow: hidden;
    margin: 0;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    box-sizing: border-box;
}

.forum-modal-card h3,
.forum-modal-head h3 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
}

.forum-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
    flex-shrink: 0;
}

.forum-modal-close {
    flex: none;
    width: 2.1rem;
    height: 2.1rem;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    font-size: 1.55rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.72;
}

.forum-modal-close:hover {
    opacity: 1;
    background: color-mix(in srgb, currentColor 8%, transparent);
}

.forum-modal-body {
    color: var(--text-minor);
    font-size: 14px;
    line-height: 1.75;
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
}

.forum-modal-body p {
    margin: 0 0 10px;
}

.forum-modal-body p:last-child {
    margin-bottom: 0;
}

.forum-modal-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.forum-modal-field {
    margin-bottom: 4px;
}

.forum-modal-field label {
    display: block;
    font-size: 13px;
    color: var(--text-minor);
    margin-bottom: 8px;
}

.forum-modal-field input {
    width: 100%;
    padding: 11px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.forum-modal-field input:focus {
    border-color: var(--gold);
}

.forum-modal-divider {
    text-align: center;
    color: var(--text-faint);
    font-size: 13px;
    margin: 14px 0;
}

.forum-modal-body > .forum-btn-secondary {
    width: 100%;
    justify-content: center;
}

.forum-post-actions {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    padding-top: 24px;
    border-top: 1px solid var(--forum-gold-dim);
}

.forum-btn-secondary {
    padding: 12px 22px;
    background: transparent;
    border: 1px solid var(--forum-gold-dim);
    border-radius: 10px;
    color: var(--text-minor);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.forum-btn-secondary:hover {
    border-color: var(--forum-gold);
    color: var(--text-main);
    background: var(--forum-hover);
}

/* ========== 详情页保持原有样式 ========== */
.forum-detail-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 32px;
    align-items: start;
}

/* 详情页正文：半透明宣纸大卡片（纹理/竹影均为透明底背景层，压不到文字） */
.forum-detail-article {
    background-color: rgba(255, 251, 240, 0.96) !important;
    background-image:
        url("/images/decor-ink-bamboo.svg"),
        url("/images/texture-paper-grain.svg");
    background-repeat: no-repeat, repeat;
    background-position: right 14px bottom 14px, 0 0;
    background-size: 110px auto, 240px 240px;
    border: 1px solid rgba(var(--gold-rgb), 0.34) !important;
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow:
        0 22px 44px -22px rgba(var(--shadow-rgb), 0.28),
        0 6px 16px -8px rgba(var(--shadow-rgb), 0.14) !important;
    min-width: 0;
    overflow: hidden;
}

html.red .forum-detail-article,
html.theme-red .forum-detail-article {
    background-image:
        url("/images/decor-ink-bamboo-red.svg"),
        url("/images/texture-paper-grain.svg");
}

.forum-detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 14px;
    letter-spacing: 0.02em;
    color: var(--text-minor);
}

.forum-detail-title {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 30px;
    font-weight: 700;
    color: var(--title-color);
    line-height: 1.45;
    letter-spacing: 0.02em;
    margin: 4px 0 26px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(var(--gold-rgb), 0.32);
}

.forum-detail-title.has-lead {
    margin-bottom: 12px;
    padding-bottom: 0;
    border-bottom: none;
}

.forum-detail-lead {
    margin: 0 0 22px;
    padding: 0 0 16px;
    border-bottom: 1px solid rgba(var(--gold-rgb), 0.32);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-minor);
    white-space: pre-line;
}

.forum-detail-lead[hidden] {
    display: none !important;
}

.forum-detail-cover {
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.forum-detail-cover img {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
}

.forum-detail-body {
    font-size: 16.5px;
    line-height: 1.9;
    color: var(--text-main);
}

.forum-detail-body h1,
.forum-detail-body h2,
.forum-detail-body h3,
.forum-detail-body h4,
.forum-detail-body h5,
.forum-detail-body h6 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    color: var(--accent);
    margin: 28px 0 16px;
    line-height: 1.4;
}

.forum-detail-body h1 { font-size: 24px; }
.forum-detail-body h2 { font-size: 21px; }
.forum-detail-body h3 { font-size: 18px; }
.forum-detail-body h4 { font-size: 16px; }
.forum-detail-body h5 { font-size: 15px; }
.forum-detail-body h6 { font-size: 14px; }

.forum-detail-body p {
    margin: 0 0 18px;
    white-space: pre-line;
}

.forum-detail-body li,
.forum-detail-body blockquote {
    white-space: pre-line;
}

.forum-detail-body strong {
    color: var(--accent);
}

.forum-detail-body a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.forum-detail-body a:hover {
    color: var(--text-minor);
}

.forum-detail-body ul,
.forum-detail-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.forum-detail-body li {
    margin-bottom: 8px;
}

.forum-detail-body blockquote {
    border-left: 3px solid var(--forum-gold);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-minor);
}

.forum-detail-body pre {
    background: var(--forum-input-bg);
    padding: 14px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 16px 0;
}

.forum-detail-body code {
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 14px;
    background: var(--page-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
}

.forum-detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--forum-gold-dim);
}

/* TOC：与正文同款宣纸卡片；跨满网格全行高，滚动全程吸附在右侧 */
.forum-detail-toc {
    position: sticky !important;
    top: 88px;
    z-index: 20;
    grid-column: 2;
    /* 跨满「正文行 + 评论区行」，sticky 约束区覆盖整页，滚动到底也不消失 */
    grid-row: 1 / span 2;
    align-self: start;
    background-color: rgba(255, 251, 240, 0.96) !important;
    background-image: url("/images/texture-paper-grain.svg");
    background-repeat: repeat;
    background-size: 240px 240px;
    border: 1px solid rgba(var(--gold-rgb), 0.34) !important;
    border-radius: 20px;
    padding: 22px 20px;
    box-shadow:
        0 18px 36px -20px rgba(var(--shadow-rgb), 0.24),
        0 4px 12px -6px rgba(var(--shadow-rgb), 0.12) !important;
    max-height: calc(100vh - 110px);
    overflow: auto;
}

.forum-toc-title {
    font-family: "Ma Shan Zheng", "STKaiti", serif;
    font-size: 19px;
    color: var(--accent);
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(var(--gold-rgb), 0.28);
}

.forum-toc-empty {
    font-size: 14px;
    color: var(--text-minor);
}

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

.forum-toc-list li {
    margin-bottom: 6px;
}

.forum-toc-list a {
    display: block;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-minor);
    transition: all 0.2s;
}

.forum-toc-list a:hover,
.forum-toc-list a.active {
    background: var(--forum-hover);
    color: var(--accent);
}

.forum-toc-level-2 {
    padding-left: 12px;
}

.forum-toc-level-3 {
    padding-left: 24px;
}

.forum-toc-fab {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--forum-gold);
    border: 1px solid var(--gold);
    color: var(--tag-bg);
    font-weight: 600; box-shadow: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
}

.forum-toc-fab:hover {
    background: var(--gold); box-shadow: none;
}

.forum-toc-drawer {
    display: none;
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 89;
    width: 260px;
    max-height: 60vh;
    overflow: auto;
    background-color: rgba(255, 251, 240, 0.97) !important;
    background-image: url("/images/texture-paper-grain.svg");
    background-repeat: repeat;
    background-size: 240px 240px;
    border: 1px solid rgba(var(--gold-rgb), 0.34) !important;
    border-radius: 20px;
    padding: 18px 16px;
    box-shadow: 0 18px 36px -18px rgba(var(--shadow-rgb), 0.28) !important;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.25s, opacity 0.25s;
    pointer-events: none;
}

.forum-toc-drawer.forum-toc-drawer-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Paywall */
.forum-paywall {
    margin: 28px 0;
    padding: 24px;
    background: var(--bg-card);
    border: 1px dashed var(--forum-gold);
    border-radius: 12px;
    text-align: center;
}

.forum-paywall p {
    color: var(--accent);
    margin-bottom: 14px;
    font-size: 15px;
}

/* Comments：与正文同列同宽，不再单独缩成小窗 */
.forum-detail-layout .forum-comments {
    grid-column: 1;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 0 8px;
    box-sizing: border-box;
}

.forum-comments {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
    box-sizing: border-box;
}

.forum-comments-inner {
    width: 100%;
    background: rgba(255, 251, 240, 0.96) !important;
    border: 1px solid rgba(var(--gold-rgb), 0.30) !important;
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow: 0 18px 36px -22px rgba(var(--shadow-rgb), 0.20) !important;
    box-sizing: border-box;
}

.forum-comments-title {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 20px;
    color: var(--accent);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line-divider);
}

.forum-comment-gate {
    padding: 16px;
    background: var(--forum-input-bg);
    border: 1px solid var(--forum-gold-dim);
    border-radius: 10px;
    color: var(--text-minor);
    font-size: 14px;
    margin-bottom: 20px;
}

.forum-comment-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.forum-comment-form textarea,
.forum-comment-reply-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    background: var(--forum-input-bg);
    border: 1px solid var(--forum-gold-dim);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.65;
    resize: vertical;
    min-height: 120px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.forum-comment-form textarea:focus,
.forum-comment-reply-form textarea:focus {
    border-color: var(--forum-gold); box-shadow: none;
    outline: none;
}

.forum-comment-form textarea::placeholder,
.forum-comment-reply-form textarea::placeholder {
    color: var(--text-minor);
}

.forum-comment-form button {
    align-self: flex-end;
}

.forum-comments-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.forum-comment {
    display: flex;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--forum-gold-dim);
}

.forum-comment:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.forum-comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--forum-gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-minor);
    flex-shrink: 0;
}

.forum-comment-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.forum-comment-main {
    flex: 1;
}

.forum-comment-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.forum-comment-author {
    font-weight: 600;
    color: var(--text-main);
    font-size: 14px;
}

.forum-comment-time {
    color: var(--text-minor);
    font-size: 12px;
}

.forum-comment-body {
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.7;
    word-break: break-word;
}

.forum-comment-child {
    margin-left: 48px;
    margin-top: 12px;
}

.forum-comment-reply {
    font-size: 13px;
    color: var(--accent);
    cursor: pointer;
    margin-top: 6px;
    transition: color 0.2s;
}

.forum-comment-reply:hover {
    color: var(--text-minor);
}

.forum-comment-reply-form {
    margin-top: 10px;
}

/* Mobile */
@media (max-width: 768px) {
    .forum-header-inner {
        padding: 12px 16px;
        flex-wrap: wrap;
    }

    .forum-brand {
        font-size: 18px;
    }

    .forum-brand img {
        width: 32px;
        height: 32px;
    }

    .forum-main {
        padding: 20px 16px 80px;
    }

    .forum-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }

    .forum-toolbar-actions {
        width: 100%;
    }

    .forum-toolbar-actions .forum-search-btn,
    .forum-toolbar-actions .forum-post-btn {
        flex: 1;
    }

    .forum-tags {
        gap: 10px;
    }

    .forum-tag {
        padding: 7px 14px;
        font-size: 13px;
    }

    .forum-cards {
        grid-template-columns: 1fr;
    }

    .forum-float-post-btn {
        bottom: 16px;
        right: 16px;
        padding: 12px 18px;
    }

    .forum-post-page {
        padding: 20px 16px 80px;
    }

    .forum-post-head {
        padding: 20px;
    }

    .forum-post-form {
        padding: 20px;
    }

    .forum-post-field--meta,
    .forum-post-field--settings {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .forum-post-actions {
        flex-direction: column-reverse;
    }

    .forum-post-actions button {
        width: 100%;
    }

    .forum-detail-layout {
        grid-template-columns: 1fr;
    }

    .forum-detail-article {
        padding: 22px 20px;
        background-position: right 8px bottom 8px, 0 0;
        background-size: 84px auto, 200px 200px;
    }

    .forum-detail-title {
        font-size: 24px;
        margin-bottom: 20px;
        padding-bottom: 14px;
    }

    .forum-detail-title.has-lead {
        margin-bottom: 10px;
        padding-bottom: 0;
    }

    .forum-detail-body {
        font-size: 16px;
    }

    .forum-detail-toc {
        display: none;
    }

    .forum-toc-fab {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .forum-toc-drawer {
        display: block;
    }

    .forum-detail-layout .forum-comments {
        grid-column: 1;
        padding: 0 0 8px;
    }

    .forum-comments {
        padding: 0 16px 80px;
    }

    .forum-comments-inner {
        padding: 20px;
    }

    .forum-comment-form textarea,
    .forum-comment-reply-form textarea {
        min-height: 100px;
    }

    .forum-comment-child {
        margin-left: 24px;
    }
}

/* Toast */
.forum-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    padding: 12px 24px;
    background: var(--forum-card) !important;
    border: 1px solid var(--forum-card-border) !important;
    border-radius: 10px;
    color: var(--text-main); box-shadow: none;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.forum-toast.show {
    opacity: 1;
}

/* Forum footer override */
.forum-footer {
    background-color: var(--forum-bg) !important;
    color: var(--text-minor) !important;
    border-top: 1px solid var(--forum-gold-dim) !important;
}

/* ===== 客栈页背景：卷轴太极八卦二十四节气（仅 forum.html） ===== */
.forum-body {
    position: relative;
}

/* 背景层：统一米白底，固定铺满 */
.forum-body__bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    pointer-events: none;
    background: var(--page-bg);
}

/* 层1：淡金色朦胧星空（低存在感） */
.forum-body__stars {
    position: absolute;
    inset: 0;
    background-image: none;
    background-size: 100% 100%;
    opacity: 0.45;
}

.forum-body__nebula {
    position: absolute;
    width: 80vw;
    height: 50vh;
    border-radius: 50%;
    background: none;
    opacity: 0.30;
}

/* 层2：做旧泛黄宣纸卷轴 */
.forum-body__scroll-top,
/* 层3：居中太极 + 八卦 + 二十四节气 */
.forum-body__emblem {
    position: relative;
    width: 520px;
    height: 520px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.forum-body__outer-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid rgba(var(--gold-rgb), 0.6);
    opacity: var(--ring-alpha);
}

.forum-body__inner-ring {
    position: absolute;
    inset: 80px;
    border-radius: 50%;
    border: 1px solid rgba(var(--gold-rgb), 0.5);
    opacity: var(--ring-alpha);
}

/* 标准太极：深棕+米白，避免浓墨黑 */
.forum-body__taiji {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: conic-gradient(
        var(--taiji-dark) 0deg 180deg,
        var(--taiji-light) 180deg 360deg
    );
    border: 1px solid rgba(var(--gold-rgb), 0.5);
    overflow: hidden;
    opacity: var(--taiji-opacity);
}

.forum-body__taiji::before {
    content: '';
    position: absolute;
    width: 50%;
    height: 50%;
    border-radius: 50%;
    top: 0;
    left: 25%;
    background: radial-gradient(circle at 50% 35%, var(--taiji-light) 18%, var(--taiji-dark) 19%);
}

.forum-body__taiji::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 50%;
    border-radius: 50%;
    bottom: 0;
    left: 25%;
    background: radial-gradient(circle at 50% 65%, var(--taiji-dark) 18%, var(--taiji-light) 19%);
}

/* 八卦符号 */
.forum-body__trigrams {
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.forum-body__trigram {opacity: var(--ring-alpha);
    position: absolute;
    width: 28px;
    height: 28px;
    left: 50%;
    top: 50%;
    margin-left: -14px;
    margin-top: -14px;
    color: var(--gold);
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    line-height: 28px; text-shadow: none;
    transform: rotate(var(--angle)) translateY(-230px) rotate(calc(var(--angle) * -1));
}

/* 二十四节气 */
.forum-body__solar-terms {
    position: absolute;
    inset: -60px;
    border-radius: 50%;
}

.forum-body__term {
    position: absolute;
    width: 40px;
    height: 20px;
    left: 50%;
    top: 50%;
    margin-left: -20px;
    margin-top: -10px;
    color: var(--gold);
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", serif;
    font-size: 15px;
    font-weight: 400;
    text-align: center;
    line-height: 20px;
    letter-spacing: 1px;
    opacity: var(--ring-alpha); text-shadow: none;
    transform: rotate(var(--angle)) translateY(-290px) rotate(calc(var(--angle) * -1));
}

/* 层4：极淡暖米色蒙版，不影响图案可见 */
.forum-body__overlay {
    position: absolute;
    inset: 0;
    background: rgba(245, 239, 225, 0.20);
    z-index: 5;
    pointer-events: none;
}

/* 强制所有客栈内容层级高于背景 */
.forum-body .forum-header,
.forum-body .forum-main,

.forum-body .forum-toast,
.forum-body .forum-footer {
    position: relative;
    z-index: 10;
}

.forum-body .forum-card,
.forum-body .forum-toolbar,
.forum-body .forum-tags,
.forum-body .forum-pagination,
.forum-body .forum-comments-inner,
.forum-body .forum-detail-article,
.forum-body .forum-post-container {
    position: relative;
    z-index: 12;
}

/* 目录吸顶：不要被上面的 relative 覆盖 */
.forum-body .forum-detail-toc {
    position: sticky !important;
    top: 88px;
    z-index: 20;
    max-height: calc(100vh - 110px);
    overflow: auto;
    align-self: start;
}

/* 强制扁平：全站无阴影 */
* { box-shadow: none !important; }

/* —— 桌面左侧栏 + 主区布局（手机不展示侧栏、保持原顶栏） —— */
.forum-body .forum-app {
    position: relative;
    z-index: 10;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    align-items: stretch;
    background: transparent;
}

.forum-body .forum-app > .main.forum-shell {
    flex: 1 1 auto;
    min-width: 0;
    background: transparent;
    box-sizing: border-box;
}

.forum-body .forum-app .app-rail.app-rail--desktop-v2 {
    z-index: 30;
    background: var(--bg-sidebar, #f7f1e5);
    box-shadow: none !important;
}

.forum-compliance {
    margin: 0;
    padding: 18px 20px 28px;
    text-align: center;
    color: var(--text-faint);
    font-size: 13px;
    line-height: 1.6;
    border-top: 1px solid var(--line-divider);
    background: transparent;
}

.forum-compliance p {
    margin: 0;
}

@media (min-width: 901px) {
    /* style.css 的 .main 默认横向 flex，会把页脚挤到右上、卡片挤成单列 */
    .forum-body .forum-app > .main.forum-shell {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        margin-left: 22rem;
        padding: 0;
        /* 不能 overflow-x:hidden：会把本容器变成滚动容器，详情页目录 sticky 失效 */
        overflow-x: visible;
        min-height: 100vh;
        min-height: 100dvh;
    }

    /* 桌面有侧栏后，顶栏冗余，隐藏 */
    .forum-body .forum-app > .main.forum-shell > .forum-header {
        display: none !important;
    }

    .forum-body .forum-app > .main.forum-shell > .forum-main {
        width: 100%;
        max-width: 1180px;
        margin: 0 auto;
        padding: 28px 28px 40px;
        flex: 1 1 auto;
        box-sizing: border-box;
    }

    .forum-body .forum-app > .main.forum-shell > .forum-compliance {
        width: 100%;
        margin-top: auto;
        flex: 0 0 auto;
        padding: 22px 28px 32px;
        order: 99;
    }

    /* 顶栏隐藏后主题切换挂在工具栏 */
    .forum-body .forum-toolbar-actions .forum-theme-switch {
        margin-left: 4px;
    }

    .forum-body .forum-header-nav .forum-theme-switch {
        display: none;
    }

    /* 每行三篇 */
    .forum-body .forum-cards {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 22px;
    }

    .forum-body .forum-card-cover {
        height: 148px;
    }

    .forum-body .forum-card-body {
        padding: 16px 16px 14px;
    }

    .forum-body .forum-card-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .forum-body .forum-card-summary {
        font-size: 13px;
        -webkit-line-clamp: 2;
        margin-bottom: 12px;
    }

    .forum-body .forum-toolbar {
        margin-bottom: 20px;
        padding: 14px 16px;
    }

    .forum-body .forum-tags {
        margin-bottom: 22px;
    }

    /* 桌面已有顶栏工具栏「发布」，浮钮可弱化 */
    .forum-body .forum-float-post-btn {
        bottom: 28px;
        right: 28px;
    }
}

/* 手机/平板：不展示左侧栏，顶栏与单列保持原样 */
@media (max-width: 900px) {
    .forum-body .forum-app > .app-rail,
    .forum-body .forum-app > .app-rail.app-rail--desktop-v2 {
        display: none !important;
    }

    .forum-body .forum-app > .main.forum-shell {
        display: block;
        margin-left: 0 !important;
        width: 100% !important;
        max-width: none !important;
        padding: 0 !important;
    }

    .forum-body .forum-toolbar-actions > .forum-theme-switch {
        display: none;
    }
}