/* 知微首页 · 人文纸质
   宣纸底 + 墨色字 + 朱砂印，刻意避开宇宙粒子 / 青绿玻璃 / emoji 卡片墙 */

@import url('https://fonts.loli.net/css2?family=Noto+Serif+SC:wght@400;600;700&family=ZCOOL+XiaoWei&display=swap');

:root {
    --paper: #e8e4da;
    --paper-deep: #ddd6c8;
    --paper-lift: #f3efe6;
    --ink: #1a1917;
    --ink-soft: #3f3a34;
    --ink-mute: #6b645a;
    --seal: #8f1d1d;
    --seal-soft: rgba(143, 29, 29, 0.12);
    --rule: rgba(26, 25, 23, 0.14);
    --font-display: "ZCOOL XiaoWei", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --font-body: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    /* 全页统一宋体气质，不再混用无衬线 UI 字体 */
    --font-ui: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

body.paper-literary {
    /* 盖住 forum.css 的青绿主色，整页跟宣纸底色一套 */
    --primary: #5c4a3a;
    --primary-dark: #1a1917;
    --primary-light: #8b7355;
    --accent: #8f1d1d;
    --accent-glow: rgba(143, 29, 29, 0.25);
    --text: var(--ink);
    --muted: var(--ink-mute);
    --card: var(--paper-lift);
    --card-border: var(--rule);
    --border: var(--rule);
    --shadow: none;

    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--font-body);
    background-color: var(--paper);
    background-image:
        radial-gradient(ellipse 120% 80% at 10% -10%, rgba(255, 255, 255, 0.45), transparent 55%),
        radial-gradient(ellipse 90% 70% at 100% 0%, rgba(180, 170, 150, 0.22), transparent 50%),
        linear-gradient(180deg, var(--paper-lift) 0%, var(--paper) 42%, var(--paper-deep) 100%);
    /* fixed 易与合成层打架导致闪烁，改 scroll */
    background-attachment: scroll;
}

body.paper-literary,
body.paper-literary button,
body.paper-literary input,
body.paper-literary select,
body.paper-literary textarea,
body.paper-literary a {
    font-family: var(--font-body);
}

/*
 * 旧版用 SVG feTurbulence 做宣纸纤维：Chrome 会持续重绘滤镜，
 * 整页文字出现「一直闪 / 重影」。改为静态 CSS 点阵，不再用 SVG 滤镜。
 */
body.paper-literary::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.22;
    background-image:
        radial-gradient(rgba(26, 25, 23, 0.045) 0.6px, transparent 0.7px),
        radial-gradient(rgba(26, 25, 23, 0.03) 0.5px, transparent 0.6px);
    background-size: 3px 3px, 5px 5px;
    background-position: 0 0, 1px 2px;
    /* 禁止 mix-blend：与文字合成时易闪 */
}

body.paper-literary #app {
    position: relative;
    z-index: 1;
}

/* ─── 入场：一纸一印 ─── */
.paper-intro {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    background:
        radial-gradient(ellipse at 50% 30%, #f6f2e9 0%, transparent 55%),
        var(--paper);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.paper-intro.is-leaving {
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
}
.paper-intro.is-gone { display: none; }

.paper-intro__seal {
    width: 56px;
    height: 56px;
    margin-bottom: 28px;
    border: 1.5px solid var(--seal);
    color: var(--seal);
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 0.12em;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-8deg);
    opacity: 0;
    animation: paperSealIn 0.9s ease 0.15s forwards;
}
.paper-intro__brand {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(64px, 14vw, 104px);
    font-weight: 400;
    letter-spacing: 0.28em;
    text-indent: 0.28em;
    line-height: 1;
    color: var(--ink);
    opacity: 0;
    animation: paperFadeUp 0.85s ease 0.35s forwards;
}
.paper-intro__quote {
    margin: 28px 0 0;
    max-width: 28em;
    text-align: center;
    font-size: clamp(15px, 2.4vw, 18px);
    line-height: 1.85;
    color: var(--ink-soft);
    opacity: 0;
    animation: paperFadeUp 0.85s ease 0.55s forwards;
}
.paper-intro__source {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--ink-mute);
    font-style: normal;
    letter-spacing: 0.08em;
}
.paper-intro__actions {
    margin-top: 40px;
    display: flex;
    gap: 16px;
    align-items: center;
    opacity: 0;
    animation: paperFadeUp 0.85s ease 0.75s forwards;
}
.paper-btn {
    appearance: none;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper-lift);
    font-family: var(--font-ui);
    font-size: 14px;
    letter-spacing: 0.16em;
    padding: 12px 28px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}
.paper-btn:hover {
    background: transparent;
    color: var(--ink);
}
.paper-btn--ghost {
    background: transparent;
    color: var(--ink-soft);
    border-color: transparent;
    letter-spacing: 0.08em;
    padding-left: 8px;
    padding-right: 8px;
}
.paper-btn--ghost:hover {
    color: var(--seal);
    background: transparent;
}

@keyframes paperSealIn {
    from { opacity: 0; transform: rotate(-18deg) scale(0.85); }
    to { opacity: 1; transform: rotate(-8deg) scale(1); }
}
@keyframes paperFadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── 顶栏：纸面书眉 ─── */
body.paper-literary .forum-topbar {
    background: rgba(243, 239, 230, 0.96);
    /* blur 与底层噪点叠在一起时，部分机型会闪；去掉 */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--rule);
    box-shadow: none;
    font-family: var(--font-ui);
}
body.paper-literary .forum-topbar .logo,
body.paper-literary .forum-topbar .logo a {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 0.2em;
    color: var(--ink);
}
body.paper-literary .logo-icon { display: none; }
body.paper-literary .forum-topbar a {
    color: var(--ink-soft);
}
body.paper-literary .forum-topbar a:hover,
body.paper-literary .forum-topbar a.active {
    color: var(--seal);
}

/* ─── 主舞台 ─── */
.paper-page {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.7s ease 0.05s, transform 0.7s ease 0.05s;
}
.paper-page.is-ready {
    opacity: 1;
    transform: translateY(0);
}

.paper-hero {
    min-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px 24px 64px;
    max-width: 920px;
    margin: 0 auto;
    position: relative;
}
.paper-hero__mark {
    position: absolute;
    right: 8%;
    top: 18%;
    width: 88px;
    height: 88px;
    border: 2px solid var(--seal);
    color: var(--seal);
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(12deg);
    opacity: 0.85;
    pointer-events: none;
    animation: paperSealIn 1s ease 0.4s both;
}
.paper-hero__brand {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(56px, 12vw, 96px);
    font-weight: 400;
    letter-spacing: 0.22em;
    text-indent: 0.22em;
    line-height: 1.05;
    color: var(--ink);
}
.paper-hero__line {
    margin: 22px 0 0;
    max-width: 22em;
    font-size: clamp(16px, 2.2vw, 19px);
    line-height: 1.8;
    color: var(--ink-soft);
}
.paper-hero__cta {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    align-items: center;
}
.paper-hero__aside {
    margin-top: 18px;
    font-size: 13px;
    color: var(--ink-mute);
    letter-spacing: 0.04em;
}
.paper-hero__aside a {
    color: var(--ink-soft);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.paper-hero__aside a:hover { color: var(--seal); }

/* 登录后资产：一行书眉，不当卡片 */
.paper-status {
    margin: 0 auto;
    max-width: 920px;
    padding: 14px 24px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    align-items: baseline;
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--ink-mute);
    border-bottom: 1px solid var(--rule);
    padding-bottom: 14px;
}
.paper-status strong {
    color: var(--ink);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.paper-status a {
    color: var(--seal);
    text-decoration: none;
    margin-left: auto;
}
.paper-status a:hover { text-decoration: underline; }

/* 公告条：纸面细栏 + 墨色字（高对比，避免浅绿字看不清） */
body.paper-literary .scroll-screen {
    background: transparent;
    border-bottom: 1px solid var(--rule);
}
body.paper-literary .scroll-screen-bar {
    background: rgba(250, 247, 240, 0.96);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    box-shadow: none;
}
body.paper-literary .scroll-screen-label {
    background: var(--seal);
    color: #faf7f0;
    border-right: 1px solid rgba(26, 25, 23, 0.12);
    border-radius: 0;
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: 0.12em;
}
body.paper-literary .scroll-marquee-chunk {
    color: var(--ink);
    text-shadow: none;
    font-family: var(--font-body);
    font-size: 15px;
    letter-spacing: 0.04em;
}
body.paper-literary .scroll-screen-placeholder {
    color: var(--ink-mute);
}
body.paper-literary .scroll-screen-edit-btn {
    background: transparent;
    color: var(--ink-soft);
    border-left: 1px solid var(--rule);
    font-family: var(--font-ui);
    font-weight: 500;
}
body.paper-literary .scroll-screen-edit-btn:hover {
    background: rgba(26, 25, 23, 0.06);
    color: var(--seal);
}
body.paper-literary .scroll-screen-editor {
    background: var(--paper-lift);
    border-bottom: 1px solid var(--rule);
    box-shadow: none;
}

/* ─── 下文：目录感，不是卡片墙 ─── */
.paper-section {
    max-width: 920px;
    margin: 0 auto;
    padding: 48px 24px 24px;
}
.paper-section + .paper-section {
    border-top: 1px solid var(--rule);
}
.paper-section__title {
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.14em;
}
.paper-section__lead {
    margin: 0 0 28px;
    color: var(--ink-mute);
    font-size: 14px;
    line-height: 1.7;
}

.paper-destinations {
    list-style: none;
    margin: 0;
    padding: 0;
}
.paper-destinations li {
    border-top: 1px solid var(--rule);
}
.paper-destinations li:last-child {
    border-bottom: 1px solid var(--rule);
}
.paper-destinations a {
    display: grid;
    grid-template-columns: 7.5em 1fr auto;
    gap: 16px;
    align-items: baseline;
    padding: 16px 4px;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s ease;
}
.paper-destinations a:hover {
    background: rgba(255, 255, 255, 0.35);
}
.paper-destinations .name {
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 0.08em;
    color: var(--ink);
}
.paper-destinations .desc {
    font-size: 14px;
    color: var(--ink-mute);
}
.paper-destinations .go {
    font-family: var(--font-ui);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--seal);
}

/* 主题：纸上目录，弱化卡片感；按钮改墨色/朱砂，去掉青绿胶囊 */
body.paper-literary .portal-theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
}
body.paper-literary .theme-card {
    margin: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: var(--paper-lift);
    padding: 20px 18px 18px;
    transition: background 0.15s ease;
    color: var(--ink);
}
body.paper-literary .theme-card:hover {
    transform: none;
    background: #faf7f0;
    box-shadow: none;
}
body.paper-literary .theme-card.joined {
    background: rgba(143, 29, 29, 0.06);
    border-color: transparent;
}
body.paper-literary .theme-card .num {
    color: var(--ink-mute);
    font-family: var(--font-body);
}
body.paper-literary .theme-card-icon {
    border-radius: 0;
    box-shadow: none;
    filter: grayscale(0.35) contrast(0.95);
}
body.paper-literary .theme-card h3 {
    font-family: var(--font-display);
    letter-spacing: 0.06em;
    color: var(--ink);
}
body.paper-literary .theme-card p,
body.paper-literary .theme-card .meta {
    color: var(--ink-mute);
    font-family: var(--font-body);
}
body.paper-literary .theme-join-btn,
body.paper-literary .theme-enter-btn,
body.paper-literary .theme-card-actions .badge-joined {
    border-radius: 0 !important;
    font-family: var(--font-body) !important;
    font-weight: 500 !important;
    letter-spacing: 0.08em;
}
body.paper-literary .theme-join-btn {
    background: var(--ink) !important;
    color: var(--paper-lift) !important;
    border: 1px solid var(--ink) !important;
}
body.paper-literary .theme-join-btn:hover {
    background: transparent !important;
    color: var(--ink) !important;
}
body.paper-literary .theme-join-btn--ghost {
    background: transparent !important;
    color: var(--ink-soft) !important;
    border: 1px solid var(--rule) !important;
}
body.paper-literary .theme-enter-btn {
    background: transparent !important;
    color: var(--ink-soft) !important;
    border: 1px solid var(--rule) !important;
}
body.paper-literary .theme-enter-btn:hover {
    border-color: var(--ink) !important;
    color: var(--ink) !important;
}
body.paper-literary .badge-joined,
body.paper-literary .theme-card-actions .badge-joined {
    background: var(--seal-soft) !important;
    color: var(--seal) !important;
    border: 1px solid rgba(143, 29, 29, 0.25) !important;
}

body.paper-literary .btn,
body.paper-literary .btn-sm {
    border-radius: 0 !important;
    font-family: var(--font-body) !important;
    box-shadow: none !important;
}
body.paper-literary .btn:not(.btn-outline):not(.btn-ghost) {
    background: var(--ink) !important;
    border-color: var(--ink) !important;
    color: var(--paper-lift) !important;
}
body.paper-literary .btn-outline,
body.paper-literary .btn-ghost {
    background: transparent !important;
    border-color: var(--rule) !important;
    color: var(--ink-soft) !important;
}

body.paper-literary .forum-topbar a:hover,
body.paper-literary .forum-topbar a.active {
    color: var(--seal) !important;
}

body.paper-literary .paper-destinations .go {
    font-family: var(--font-body);
}

body.paper-literary .portal-beian {
    max-width: 920px;
    margin: 24px auto 48px;
    padding: 0 24px;
    text-align: left;
    font-size: 12px;
    color: var(--ink-mute);
    font-family: var(--font-ui);
}
body.paper-literary .portal-beian a {
    color: var(--ink-mute);
}

body.paper-literary .portal-ops-hint {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px 8px;
    font-family: var(--font-ui);
}

@media (max-width: 640px) {
    .paper-hero__mark {
        width: 64px;
        height: 64px;
        font-size: 20px;
        right: 16px;
        top: 12%;
    }
    .paper-destinations a {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
    }
    .paper-destinations .name { grid-column: 1; }
    .paper-destinations .go { grid-column: 2; grid-row: 1; }
    .paper-destinations .desc { grid-column: 1 / -1; }
    .paper-status a { margin-left: 0; width: 100%; }
}