/* ============================================
   海天相接 · 明亮天蓝主题
   浅天蓝 → 海蓝，银白高光，淡雅积极
   ============================================ */

:root {
    --text: #16324f;              /* 深蓝文字 */
    --muted: #5a7a99;             /* 灰蓝 */
    --accent: #0e7cc4;            /* 天蓝 */
    --accent-soft: #2b8fd0;
    --card-border: rgba(20, 90, 150, 0.18);
}

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

html, body {
    color: var(--text);
    font-family: 'Quicksand', -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-weight: 300;
    background: linear-gradient(180deg, #a8d8f2 0%, #7cc0ea 45%, #4a9fd4 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- 背景画布 ---------- */
#ambient {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

#paperplane {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ---------- 顶部导航 ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 28px;
}

.logo {
    font-weight: 400;
    font-size: 20px;
    letter-spacing: 3px;
    color: var(--text);
    text-shadow: 0 0 14px rgba(255, 255, 255, 0.6);
}

.nav-links a {
    margin-left: 22px;
    color: var(--muted);
    letter-spacing: 1px;
    transition: color .2s;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }

/* ---------- 站名标题 ---------- */
.site-header {
    position: relative;
    z-index: 4;
    text-align: center;
    padding: 118px 20px 12px;
}

.site-name {
    margin: 0;
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 56px;
    line-height: 1.2;
    color: var(--text);
    letter-spacing: 10px;
    text-shadow: 0 0 26px rgba(255, 255, 255, 0.75);
}

.site-tagline {
    margin-top: 14px;
    font-size: 15px;
    letter-spacing: 4px;
    color: var(--muted);
}

@media (max-width: 600px) {
    .site-header { padding: 100px 16px 8px; }
    .site-name { font-size: 40px; letter-spacing: 6px; }
}

/* ---------- 中央诗歌舞台 ---------- */
.poem-stage {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 22px;
    padding: 24px 24px 52px;
    will-change: transform;
    transition: transform 0.5s ease-out;
}

/* ---------- 每日一句 ---------- */
.daily-quote {
    max-width: 560px;
    width: 100%;
    padding: 22px 30px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.38);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 6px 24px rgba(20, 90, 150, 0.12);
    text-align: center;
}

.dq-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 14px;
}

.dq-label {
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--accent);
}

/* 日期：行楷艺术字体，标注在一旁 */
.dq-date {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'Xingkai SC', 'KaiTi', 'SimSun', serif;
    font-size: 26px;
    line-height: 1;
    color: var(--text);
    letter-spacing: 2px;
    text-shadow: 0 0 14px rgba(255, 255, 255, 0.6);
}

.dq-text {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'Xingkai SC', 'KaiTi', 'SimSun', serif;
    font-size: 20px;
    line-height: 1.8;
    color: var(--text);
    text-shadow: 0 0 16px rgba(255, 255, 255, 0.55);
}

.dq-src {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--muted);
}

.glass-card {
    max-width: 620px;
    width: 100%;
    padding: 56px 48px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 40px rgba(20, 90, 150, 0.18),
                inset 0 0 30px rgba(255, 255, 255, 0.4);
    text-align: center;
}

.title {
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: 15px;
    letter-spacing: 6px;
    color: var(--muted);
    margin-bottom: 32px;
}

/* 诗句：衬线斜体，逐行淡入 */
.line {
    font-family: 'Playfair Display', 'Songti SC', 'STSong', 'SimSun', serif;
    font-style: italic;
    font-size: 24px;
    line-height: 2;
    color: var(--text);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
    opacity: 0;
    animation: fadeInLine 1.4s ease forwards;
}

.line-1 { animation-delay: 0.3s; }
.line-2 { animation-delay: 0.9s; }
.line-3 { animation-delay: 1.5s; }
.line-4 { animation-delay: 2.1s; }

.sign {
    margin-top: 40px;
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--muted);
    opacity: 0;
    animation: fadeInLine 1.4s ease 2.7s forwards;
}

@keyframes fadeInLine {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- 情诗列表 ---------- */
.poems {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 20px 20px;
}

.poems-title {
    text-align: center;
    font-weight: 300;
    font-size: 18px;
    letter-spacing: 4px;
    color: var(--text);
    margin-bottom: 24px;
}

.poem-card {
    display: block;
    padding: 22px 26px;
    margin-bottom: 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 6px 24px rgba(20, 90, 150, 0.12);
    transition: transform .25s, box-shadow .25s;
}

.poem-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(20, 90, 150, 0.2);
}

.poem-card h3 {
    font-size: 22px;
    font-weight: 400;
    color: var(--text);
}

.poem-excerpt {
    margin-top: 6px;
    font-style: italic;
    color: var(--muted);
}

.poem-author {
    display: inline-block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--accent);
}

/* ---------- 投稿 ---------- */
.submit {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 20px 20px 80px;
}

.submit-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 8px 28px rgba(20, 90, 150, 0.14);
}

.submit-card h2 {
    font-size: 22px;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--text);
    margin-bottom: 12px;
}

.submit-card p {
    color: var(--muted);
    max-width: 460px;
    margin: 0 auto 22px;
}

.submit-mail {
    display: inline-block;
    padding: 11px 26px;
    border-radius: 999px;
    border: none;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(90deg, #2b8fd0, #56b4e8);
    box-shadow: 0 6px 20px rgba(20, 120, 190, 0.3);
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
}

.submit-mail:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(20, 120, 190, 0.45);
}

/* 投稿弹窗 */
.submit-overlay {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(8, 28, 46, 0.42);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.submit-overlay.open {
    opacity: 1;
    visibility: visible;
}
.submit-modal {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 36px 32px 28px;
    border-radius: 20px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(240, 248, 254, 0.96));
    box-shadow: 0 26px 70px rgba(10, 40, 70, 0.35);
    text-align: center;
    opacity: 0;
    transform: translateY(14px) scale(.96);
    transition: opacity .25s ease, transform .25s ease;
}
.submit-overlay.open .submit-modal {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.submit-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(20, 90, 150, 0.08);
    color: var(--muted);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s, color .2s;
}
.submit-close:hover { background: rgba(20, 90, 150, 0.18); color: var(--text); }
.submit-modal-title {
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--text);
    margin-bottom: 6px;
}
.submit-modal-sub {
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 20px;
}

/* 投稿表单 */
.submit-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
    text-align: left;
    margin-top: 8px;
}

.form-row { display: contents; }

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
}

.form-field--full { grid-column: 1 / -1; }

.form-label {
    color: var(--muted);
    letter-spacing: 1px;
}
.form-label em {
    font-style: normal;
    color: #9ab4cc;
    font-size: 11px;
    margin-left: 4px;
}

.submit-form input[type="text"],
.submit-form select,
.submit-form textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(20, 90, 150, 0.18);
    background: rgba(255, 255, 255, 0.7);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    transition: border-color .2s, background .2s, box-shadow .2s;
    outline: none;
}

.submit-form textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.7;
}

.submit-form input:focus,
.submit-form select:focus,
.submit-form textarea:focus {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(14, 124, 196, 0.12);
}

.submit-form input::placeholder,
.submit-form textarea::placeholder {
    color: #a8c2d6;
}

.form-honey {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 4px;
}

.form-actions .submit-mail {
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    letter-spacing: 2px;
    padding: 12px 30px;
    min-width: 160px;
    text-align: center;
}
.form-actions .submit-mail:disabled {
    opacity: .6;
    cursor: progress;
    transform: none;
}

.submit-fallback {
    font-size: 12px;
    color: var(--muted);
    border-bottom: 1px dashed rgba(90, 122, 153, 0.4);
    padding-bottom: 2px;
    transition: color .2s;
}
.submit-fallback:hover { color: var(--accent); }

.form-status {
    grid-column: 1 / -1;
    font-size: 13px;
    min-height: 18px;
    margin: 0;
    text-align: center;
}
.form-status.ok { color: #2a9d5a; }
.form-status.err { color: #d05a4a; }

/* 投稿成功态 */
.submit-done {
    text-align: center;
    padding: 20px 0 8px;
    animation: fadeUp .5s ease both;
}
.submit-done-icon {
    font-size: 44px;
    margin-bottom: 10px;
    animation: pop .5s .1s ease both;
}
.submit-done h3 {
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--text);
    margin-bottom: 10px;
}
.submit-done p {
    color: var(--muted);
    margin-bottom: 6px;
}
#doneTitle {
    color: var(--accent);
    font-size: 15px;
    margin-bottom: 14px;
}
.submit-done-tip {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 22px !important;
}
.submit-again {
    padding: 9px 24px;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.25);
    background: rgba(255, 255, 255, 0.6);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: background .2s, border-color .2s;
}
.submit-again:hover {
    background: #fff;
    border-color: var(--accent);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pop {
    0%   { transform: scale(0); }
    70%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@media (max-width: 600px) {
    .submit-form { grid-template-columns: 1fr; }
    .form-row { display: block; }
}

/* ---------- 文章页背景装饰 ---------- */
#stars {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
}

.glow {
    position: fixed;
    z-index: 0;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    pointer-events: none;
}

/* ---------- 文章页 ---------- */
.article {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 110px 20px 64px;
}

.article header { text-align: center; }

.article header .date { color: var(--muted); font-size: 14px; }

.article h1 {
    margin: 16px 0 8px;
    font-size: 40px;
    letter-spacing: 2px;
    color: var(--text);
}

.article .author { color: var(--muted); font-size: 15px; }

.poem {
    margin: 40px 0;
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 28px rgba(20, 90, 150, 0.12);
}

.poem p {
    font-size: 22px;
    line-height: 2.2;
    color: var(--text);
    letter-spacing: 2px;
    margin: 0;
}

.poem p + p { margin-top: 24px; }

.original {
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px dashed rgba(20, 90, 150, 0.15);
}

.original h3 {
    font-size: 15px;
    color: var(--muted);
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-weight: 400;
}

.original-text p {
    font-size: 18px;
    font-style: italic;
    color: #5a7fa0;
    line-height: 1.9;
    letter-spacing: 1px;
    font-family: "Playfair Display", "Georgia", serif;
}

.original-text p + p { margin-top: 8px; }

.analysis {
    font-size: 17px;
    color: #2d4a6a;
}

.analysis h2 {
    margin: 32px 0 12px;
    font-size: 22px;
    color: var(--accent);
    letter-spacing: 1px;
}

.analysis p { margin-bottom: 16px; }

.analysis blockquote {
    margin: 20px 0;
    padding: 16px 20px;
    background: rgba(14, 124, 196, 0.08);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    color: #0e5f9e;
}

.back-link {
    display: inline-block;
    margin-top: 40px;
    font-weight: 500;
    color: var(--accent);
    transition: color .2s;
}

.back-link:hover { color: var(--accent-soft); }

/* 顶部返回目录按钮 */
.back-to-catalog {
    position: fixed;
    top: 78px;
    left: 28px;
    z-index: 20;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(20, 90, 150, 0.22);
    color: var(--text);
    font-size: 14px;
    letter-spacing: 1px;
    box-shadow: 0 6px 20px rgba(20, 90, 150, 0.18);
    transition: transform .2s, box-shadow .2s, background .2s;
}

.back-to-catalog:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 10px 28px rgba(20, 90, 150, 0.28);
}

@media (max-width: 600px) {
    .back-to-catalog { top: 64px; left: 16px; padding: 8px 14px; font-size: 13px; }
}

.footer {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 20px 40px;
    text-align: center;
    color: #0d1b2a;
    font-size: 14px;
}


/* ---------- 交互层 ---------- */
#cursor {
    position: fixed;
    inset: 0;
    z-index: 6;
    pointer-events: none;
}

#hearts {
    position: fixed;
    inset: 0;
    z-index: 7;
    pointer-events: none;
}

.music-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(20, 90, 150, 0.25);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(20, 90, 150, 0.2);
    transition: transform .2s, box-shadow .2s, background .2s;
}

.music-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(20, 90, 150, 0.35);
}

.music-btn.on {
    background: rgba(86, 180, 232, 0.55);
    color: #fff;
}

/* ---------- 响应式 ---------- */
@media (max-width: 600px) {
    .glass-card { padding: 40px 24px; }
    .line { font-size: 19px; line-height: 1.9; }
    .title { font-size: 13px; letter-spacing: 4px; }
    .navbar { padding: 16px 18px; }
    .logo { font-size: 17px; }
    .article h1 { font-size: 30px; }
    .poem p { font-size: 18px; }
}
/* ---------- 诗歌目录 ---------- */
.catalog {
    position: relative;
    z-index: 1;
    padding: 12px 20px 10px;
}

.catalog-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 28px 28px 24px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(20, 90, 150, 0.16);
}

.catalog-title {
    text-align: center;
    font-weight: 300;
    font-size: 20px;
    letter-spacing: 5px;
    color: var(--text);
    margin-bottom: 18px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 520px;
    margin: 0 auto 22px;
}

.search-icon {
    position: absolute;
    left: 16px;
    font-size: 15px;
    opacity: 0.7;
    pointer-events: none;
}

#searchInput,
#homeSearch {
    flex: 1;
    width: 100%;
    padding: 12px 42px 12px 44px;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.22);
    background: rgba(255, 255, 255, 0.7);
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

#searchInput:focus,
#homeSearch:focus {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(14, 124, 196, 0.12);
}

#searchInput::placeholder,
#homeSearch::placeholder { color: var(--muted); }

.search-clear {
    position: absolute;
    right: 12px;
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 50%;
    background: rgba(20, 90, 150, 0.15);
    color: var(--text);
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    display: none;
    transition: background .2s;
}

.search-clear:hover { background: rgba(20, 90, 150, 0.3); }

/* ---------- 首页搜索 + 下拉 ---------- */
.home-search {
    position: relative;
    width: 100%;
    max-width: 520px;
    margin: 22px auto 0;
}

.home-search .search-box {
    margin: 0 auto;
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 16px;
    border: 1px solid rgba(20, 90, 150, 0.16);
    box-shadow: 0 16px 40px rgba(20, 90, 150, 0.22);
    overflow: hidden;
    display: none;
    z-index: 30;
    text-align: left;
}

.search-dropdown.open {
    display: block;
}

.search-dropdown .sd-label {
    padding: 12px 16px 6px;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--muted);
}

.search-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(20, 90, 150, 0.07);
    transition: background .15s;
}

.search-item:last-child { border-bottom: none; }

.search-item:hover { background: rgba(14, 124, 196, 0.08); }

.si-title {
    font-weight: 500;
    color: var(--accent);
}

.si-author {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.si-excerpt {
    font-size: 13px;
    font-style: italic;
    color: var(--muted);
    margin-top: 4px;
}

.catalog-table-wrap { overflow-x: auto; }

.catalog-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.catalog-table thead th {
    text-align: left;
    padding: 12px 14px;
    font-weight: 400;
    letter-spacing: 2px;
    color: var(--muted);
    border-bottom: 1px solid rgba(20, 90, 150, 0.18);
    font-size: 13px;
}

.catalog-table tbody tr {
    cursor: pointer;
    transition: background .2s;
}

.catalog-table tbody tr:hover {
    background: rgba(14, 124, 196, 0.08);
}

.catalog-table tbody td {
    padding: 14px;
    border-bottom: 1px solid rgba(20, 90, 150, 0.1);
    color: var(--text);
    vertical-align: top;
}

.catalog-table tbody td a {
    color: var(--accent);
    font-weight: 500;
}

.catalog-table tbody td:nth-child(2) {
    color: var(--muted);
    white-space: nowrap;
}

.catalog-table tbody td:nth-child(3) {
    font-style: italic;
    color: var(--muted);
    max-width: 320px;
}

.catalog-empty {
    display: none;
    text-align: center;
    padding: 24px;
    color: var(--muted);
    font-style: italic;
}

@media (max-width: 600px) {
    .catalog { padding: 8px 14px 6px; }
    .catalog-inner { padding: 22px 16px 18px; }
    .catalog-table { font-size: 14px; }
    .catalog-table tbody td { padding: 11px 8px; }
    .catalog-table tbody td:nth-child(3) { max-width: 160px; }
}

/* ---------- 三行情诗卡片流 ---------- */
.trio-flow {
    position: relative;
    z-index: 1;
    padding: 20px 20px 70px;
}

.trio-title {
    text-align: center;
    font-weight: 300;
    font-size: 20px;
    letter-spacing: 5px;
    color: var(--text);
    margin-bottom: 8px;
}

.trio-subtitle {
    text-align: center;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--muted);
    margin-bottom: 26px;
}

.trio-grid {
    max-width: 880px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    align-items: start;
}

.trio-card {
    position: relative;
    padding: 0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 6px 22px rgba(20, 90, 150, 0.12);
    transition: transform .25s, box-shadow .25s;
}

.trio-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(20, 90, 150, 0.2);
}

.trio-link {
    display: block;
    padding: 22px 24px;
    color: inherit;
    text-decoration: none;
}

.trio-card .fav-btn {
    position: absolute;
    top: 10px;
    right: 10px;
}

.trio-text {
    margin: 0;
    font-family: 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 17px;
    line-height: 1.9;
    letter-spacing: 1px;
    color: var(--text);
    white-space: pre-line;       /* 保留 \n，三行按原样换行 */
}

.trio-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 12px;
    margin-top: 16px;
}

.trio-author {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 1px;
}

/* 分页控件 */
.trio-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 32px;
    padding-bottom: 20px;
}

.trio-prev, .trio-next {
    padding: 8px 20px;
    border: 1px solid rgba(20, 90, 150, 0.25);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--accent);
    font-size: 14px;
    cursor: pointer;
    transition: background .2s, opacity .2s;
}

.trio-prev:hover:not(:disabled), .trio-next:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.7);
}

.trio-prev:disabled, .trio-next:disabled {
    opacity: 0.3;
    cursor: default;
}

.trio-page-info {
    font-size: 14px;
    color: var(--muted);
    letter-spacing: 2px;
    min-width: 50px;
    text-align: center;
}

.trio-tag {
    display: inline-block;
    padding: 3px 11px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 1px;
    line-height: 1.5;
}

/* 来源标签 —— 低饱和度柔和配色，不抢诗的风头 */
.trio-tag.fudan     { background: rgba(70, 120, 200, 0.15); color: #4a6fc0; }
.trio-tag.nwupl     { background: rgba(40, 160, 120, 0.15); color: #2c8a6a; }
.trio-tag.bfsu      { background: rgba(130, 100, 190, 0.15); color: #6f55b8; }
.trio-tag.maitiange { background: rgba(210, 150, 45, 0.16); color: #a06f18; }
.trio-tag.laopaike  { background: rgba(210, 100, 140, 0.15); color: #b04a72; }
.trio-tag.japan     { background: rgba(220, 90, 90, 0.15);  color: #bb4d4d; }
.trio-tag.default   { background: rgba(120, 135, 155, 0.18); color: #6a7785; }  /* 佚名待考/未知 → 灰 */

/* 响应式：窄屏变一列 */
@media (max-width: 700px) {
    .trio-grid { grid-template-columns: 1fr; gap: 16px; }
    .trio-text { font-size: 16px; }
}

/* ---------- 捞一句：按钮 + 浮层 ---------- */
.scoop-btn {
    display: block;
    margin: 14px auto 0;
    padding: 8px 22px;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.22);
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--muted);
    font-size: 14px;
    letter-spacing: 2px;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}

.scoop-btn:hover {
    background: rgba(255, 255, 255, 0.6);
    color: var(--accent);
    border-color: rgba(14, 124, 196, 0.35);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(20, 90, 150, 0.15);
}

/* 浮层：半透明遮罩 + 轻微淡入淡出 */
.scoop-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(8, 28, 46, 0.42);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}

.scoop-overlay.open {
    opacity: 1;
    visibility: visible;
}

.scoop-modal {
    position: relative;
    width: 100%;
    max-width: 460px;
    padding: 46px 36px 32px;
    border-radius: 20px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(240, 248, 254, 0.94));
    box-shadow: 0 26px 70px rgba(10, 40, 70, 0.35);
    text-align: center;
    opacity: 0;
    transform: translateY(14px) scale(.96);
    transition: opacity .25s ease, transform .25s ease;
}

.scoop-overlay.open .scoop-modal {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.scoop-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(20, 90, 150, 0.1);
    color: var(--muted);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s, color .2s;
}

.scoop-close:hover {
    background: rgba(20, 90, 150, 0.2);
    color: var(--text);
}

.scoop-content {
    transition: opacity .18s ease;
}

.scoop-content.swapping {
    opacity: 0;
}

.scoop-text {
    margin: 0;
    font-family: 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 24px;
    line-height: 2;
    letter-spacing: 2px;
    color: var(--text);
    white-space: pre-line;      /* 保留 \n 换行 */
}

.scoop-author {
    display: block;
    margin-top: 24px;
    font-size: 15px;
    color: var(--muted);
    letter-spacing: 1px;
}

.scoop-tag {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 1px;
    line-height: 1.5;
}

/* 来源标签配色（与卡片流一致，低饱和度） */
.scoop-tag.fudan     { background: rgba(70, 120, 200, 0.15); color: #4a6fc0; }
.scoop-tag.nwupl     { background: rgba(40, 160, 120, 0.15); color: #2c8a6a; }
.scoop-tag.bfsu      { background: rgba(130, 100, 190, 0.15); color: #6f55b8; }
.scoop-tag.maitiange { background: rgba(210, 150, 45, 0.16); color: #a06f18; }
.scoop-tag.laopaike  { background: rgba(210, 100, 140, 0.15); color: #b04a72; }
.scoop-tag.japan     { background: rgba(220, 90, 90, 0.15);  color: #bb4d4d; }
.scoop-tag.default   { background: rgba(120, 135, 155, 0.18); color: #6a7785; }

.scoop-again {
    margin-top: 28px;
    padding: 10px 26px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(90deg, #2b8fd0, #56b4e8);
    color: #fff;
    font-size: 15px;
    letter-spacing: 2px;
    font-family: inherit;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(20, 120, 190, 0.3);
    transition: transform .2s, box-shadow .2s;
}

.scoop-again:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(20, 120, 190, 0.42);
}

@media (max-width: 600px) {
    .scoop-modal { padding: 40px 24px 26px; }
    .scoop-text { font-size: 20px; }
}

/* ============================================
   开场动画 —— 一封情书展开
   ============================================ */
.intro {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(1100px 820px at 50% 40%, #d9f0fc 0%, #a9d6f2 48%, #6db5e0 100%);
    cursor: pointer;
    transition: opacity .8s ease, visibility .8s ease;
}

.intro.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intro-stage {
    position: relative;
    width: 360px;
    height: 280px;
}

/* 信封 */
.envelope {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 340px;
    height: 220px;
    transform: translate(-50%, -50%) translateY(36px) scale(.92);
    opacity: 0;
    perspective: 900px;
    transition: opacity .9s ease, transform .9s cubic-bezier(.2, .75, .3, 1);
}

.envelope.in {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0) scale(1);
}

.envelope.fade {
    opacity: 0;
    transform: translate(-50%, -50%) translateY(-20px) scale(.9);
}

.env-back {
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(160deg, #eef7fd, #d6eaf9);
    border: 1px solid #bfddf2;
    box-shadow: 0 22px 55px rgba(20, 90, 150, .28);
    z-index: 0;
}

.env-sheet {
    position: absolute;
    left: 8%;
    right: 8%;
    top: 16%;
    bottom: 14%;
    background: #fffdf7;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(20, 90, 150, .12);
    z-index: 1;
    transition: transform .8s cubic-bezier(.2, .75, .3, 1);
}

.env-front {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 62%;
    background: linear-gradient(#cbe6f9, #b7dbf3);
    clip-path: polygon(0 0, 50% 48%, 100% 0, 100% 100%, 0 100%);
    border-radius: 0 0 12px 12px;
    z-index: 2;
}

.env-front::after {
    content: '致 你';
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 15px;
    letter-spacing: 5px;
    color: rgba(22, 50, 79, .45);
}

.env-flap {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 54%;
    background: linear-gradient(#dceffb, #c6e3f8);
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    border-radius: 12px 12px 0 0;
    transform-origin: top center;
    backface-visibility: hidden;
    transition: transform .7s ease, opacity .7s ease;
    z-index: 3;
}

.envelope.open .env-flap {
    transform: rotateX(180deg);
    opacity: 0;
}

.env-seal {
    position: absolute;
    left: 50%;
    top: 53%;
    transform: translate(-50%, -50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: radial-gradient(circle at 38% 34%, #f7a8bc, #e5668c);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 5px 14px rgba(200, 70, 110, .35);
    z-index: 4;
    transition: transform .55s ease, opacity .55s ease;
    animation: sealPulse 1.6s ease-in-out infinite;
}

@keyframes sealPulse {
    0%, 100% { box-shadow: 0 5px 14px rgba(200, 70, 110, .35); }
    50% { box-shadow: 0 5px 24px rgba(200, 70, 110, .55); }
}

.envelope.open .env-seal {
    animation: sealBreak .62s ease forwards;
}

@keyframes sealBreak {
    0%   { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(0deg); }
    35%  { opacity: 1; transform: translate(-50%, -50%) scale(1.12) rotate(0deg); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(.45) rotate(38deg); }
}

.env-seal::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 2px;
    height: 0;
    transform: translate(-50%, -50%) rotate(24deg);
    background: linear-gradient(180deg, #fff, rgba(255, 255, 255, .55));
    border-radius: 2px;
    opacity: 0;
    transition: height .22s ease .04s, opacity .12s ease .04s;
}

.envelope.open .env-seal::after {
    height: 34px;
    opacity: 1;
}

.envelope.out .env-sheet {
    transform: translateY(-72%);
}

/* 展开后的信纸 */
.letter-card {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 340px;
    min-height: 252px;
    transform: translate(-50%, -52%) scale(.82);
    opacity: 0;
    background:
        repeating-linear-gradient(
            transparent 0, transparent 31px,
            rgba(20, 90, 150, .07) 31px, rgba(20, 90, 150, .07) 32px
        ),
        #fffdf7;
    border-radius: 14px;
    box-shadow: 0 26px 64px rgba(20, 90, 150, .3);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 11px;
    padding: 40px 34px 30px;
    z-index: 5;
    transition: opacity .7s ease, transform .7s cubic-bezier(.2, .75, .3, 1);
}

.letter-card.show {
    opacity: 1;
    transform: translate(-50%, -52%) scale(1);
}

/* 折痕：曾在信封里对折过的痕迹 */
.letter-card::before {
    content: '';
    position: absolute;
    left: 5%;
    right: 5%;
    top: 50%;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(180deg, rgba(20, 90, 150, .05), rgba(20, 90, 150, .2), rgba(20, 90, 150, .05));
    pointer-events: none;
}

/* 邮票 */
.letter-stamp {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 50px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #2b6da3;
    border: 2px dashed rgba(20, 90, 150, .4);
    border-radius: 3px;
    background: rgba(255, 255, 255, .5);
    transform: rotate(4deg);
    box-shadow: 0 2px 6px rgba(20, 90, 150, .14);
    opacity: 0;
    transition: opacity .5s ease .25s;
}

.letter-card.show .letter-stamp {
    opacity: 1;
}

.letter-title {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 32px;
    color: var(--text);
    letter-spacing: 8px;
    text-align: center;
}

.letter-greet {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 16px;
    color: #2d4a6a;
    letter-spacing: 2px;
    text-align: left;
    padding-left: 4px;
}

.letter-poem {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 17px;
    line-height: 2.0;
    color: #2d4a6a;
    letter-spacing: 2px;
    text-align: left;
    padding-left: 4px;
}

.letter-sign {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 16px;
    color: #2d4a6a;
    letter-spacing: 1px;
    text-align: right;
    padding-right: 4px;
}

.letter-heart {
    font-size: 20px;
    color: #e86a8a;
    text-align: right;
    padding-right: 4px;
    margin-top: -2px;
}

.intro-skip {
    position: absolute;
    bottom: 34px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 13px;
    letter-spacing: 2px;
    color: rgba(22, 50, 79, .55);
    opacity: 0;
    animation: introHint 1s ease 1.3s forwards;
}

@keyframes introHint {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 600px) {
    .intro-stage { width: 300px; height: 250px; }
    .envelope { width: 286px; height: 186px; }
    .letter-card { width: 290px; min-height: 226px; padding: 32px 24px 24px; gap: 9px; }
    .letter-title { font-size: 26px; }
    .letter-poem { font-size: 15px; line-height: 1.9; }
    .letter-greet { font-size: 14px; }
    .letter-sign { font-size: 14px; }
    .letter-stamp { width: 42px; height: 52px; font-size: 22px; top: 12px; right: 14px; }
}

/* ============================================
   捞一句 v2 —— 浮层氛围升级（覆盖旧样式）
   ============================================ */

/* 遮罩：更深蓝，像潜入水下 */
.scoop-overlay {
    background: rgba(8, 30, 56, 0.5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* 浮层主体：暖米白纸感 + 柔和外发光 + 细边 */
.scoop-modal {
    max-width: 480px;
    padding: 56px 40px 36px;
    border-radius: 18px;
    background: linear-gradient(160deg, rgba(253, 250, 243, 0.96), rgba(247, 240, 227, 0.96));
    border: 1px solid rgba(196, 164, 112, 0.28);
    box-shadow:
        0 0 42px rgba(255, 224, 160, 0.32),
        0 0 90px rgba(170, 214, 240, 0.22),
        0 30px 80px rgba(10, 40, 70, 0.4);
    opacity: 0;
    transform: translateY(30px);              /* 从下方浮上来 */
    transition: opacity .45s cubic-bezier(.16, 1, .3, 1), transform .45s cubic-bezier(.16, 1, .3, 1);
}

.scoop-overlay.open .scoop-modal {
    opacity: 1;
    transform: translateY(0);
}

/* 水波纹：同心圆，出现时扩散一次后静止 */
.scoop-ripple {
    position: absolute;
    left: 50%;
    top: 44%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
}

.scoop-ripple circle {
    fill: none;
    stroke: #ffffff;
    stroke-width: 1.2;
}

.scoop-overlay.open .scoop-ripple {
    animation: rippleOut 0.9s cubic-bezier(.22, .61, .36, 1) forwards;
}

@keyframes rippleOut {
    0%   { opacity: 0;   transform: translate(-50%, -50%) scale(.45); }
    30%  { opacity: .3;  }
    100% { opacity: 0;   transform: translate(-50%, -50%) scale(1.7); }
}

/* 诗内容随波纹扩散淡入 */
.scoop-overlay.open .scoop-content {
    animation: scoopContentIn .5s ease .18s;
}

@keyframes scoopContentIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 关闭按钮：更小更淡 */
.scoop-close {
    top: 12px;
    right: 12px;
    width: 26px;
    height: 26px;
    background: transparent;
    color: rgba(22, 50, 79, 0.35);
    font-size: 16px;
}

.scoop-close:hover {
    background: rgba(20, 90, 150, 0.08);
    color: rgba(22, 50, 79, 0.7);
}

/* 内容层盖在波纹之上 */
.scoop-content {
    position: relative;
    z-index: 1;
}

/* 诗正文：更大更疏朗，衬线 */
.scoop-text {
    font-family: 'Songti SC', 'STSong', 'SimSun', 'KaiTi', serif;
    font-size: 28px;
    line-height: 2.15;
    letter-spacing: 3px;
    color: #2b3a48;
}

/* 作者：淡灰，拉开距离 */
.scoop-author {
    margin-top: 30px;
    font-size: 14px;
    color: rgba(90, 110, 130, 0.75);
    letter-spacing: 2px;
}

/* 来源标签：更小更淡 */
.scoop-tag {
    margin-top: 14px;
    padding: 3px 11px;
    font-size: 11px;
    letter-spacing: 1px;
    opacity: .85;
}

/* 进入详情入口：文字 + 小箭头 */
.scoop-detail-link {
    position: relative;
    z-index: 1;
    display: inline-block;
    margin-top: 22px;
    font-size: 13px;
    letter-spacing: 2px;
    color: rgba(22, 80, 120, 0.7);
    transition: color .2s, transform .2s;
}

.scoop-detail-link:hover {
    color: var(--accent);
    transform: translateX(2px);
}

/* 再捞一句：半透明描边按钮，不再亮蓝实心 */
.scoop-again {
    position: relative;
    z-index: 1;
    margin-top: 18px;
    padding: 9px 26px;
    border: 1px solid rgba(14, 124, 196, 0.35);
    background: rgba(255, 255, 255, 0.35);
    color: var(--accent);
    font-size: 14px;
    letter-spacing: 2px;
    box-shadow: none;
}

.scoop-again:hover {
    transform: translateY(-1px);
    background: rgba(14, 124, 196, 0.08);
    border-color: rgba(14, 124, 196, 0.5);
    box-shadow: 0 6px 18px rgba(20, 90, 150, 0.15);
}

@media (max-width: 600px) {
    .scoop-modal { padding: 48px 24px 30px; }
    .scoop-text { font-size: 22px; }
}

/* ============================================
   捞一句详情页 —— 潜入水下读诗
   ============================================ */
body.deep #ambient {
    filter: brightness(.5) saturate(1.25);
}

/* 详情页背景水波纹（极淡，静态） */
.deep-ripple {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 1200px;
    height: 1200px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    background:
        radial-gradient(circle, transparent 18%, rgba(255, 255, 255, 0.05) 18.5%, transparent 19%),
        radial-gradient(circle, transparent 30%, rgba(255, 255, 255, 0.04) 30.5%, transparent 31%),
        radial-gradient(circle, transparent 42%, rgba(255, 255, 255, 0.035) 42.5%, transparent 43%),
        radial-gradient(circle, transparent 54%, rgba(255, 255, 255, 0.03) 54.5%, transparent 55%);
}

/* 详情页导航/页脚改成浅色，适配深蓝底 */
body.deep .logo { color: #eaf4fb; text-shadow: 0 0 14px rgba(0, 30, 60, 0.5); }
body.deep .nav-links a { color: rgba(210, 230, 245, 0.8); }
body.deep .nav-links a:hover { color: #fff; }
body.deep .nav-links a.active { color: #fff; }
body.deep .footer { color: rgba(200, 220, 240, 0.7); }

.letter-article {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 130px 24px 70px;
}

.letter-content {
    text-align: center;
    animation: letterFadeIn 1s ease forwards;
}

@keyframes letterFadeIn {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.letter-text {
    margin: 0;
    font-family: 'Songti SC', 'STSong', 'SimSun', 'KaiTi', serif;
    font-size: 34px;
    line-height: 2.2;
    letter-spacing: 4px;
    color: #eaf4fb;
    text-shadow: 0 2px 24px rgba(0, 40, 80, 0.4);
    white-space: pre-line;
}

.letter-author {
    display: block;
    margin-top: 40px;
    font-size: 16px;
    letter-spacing: 2px;
    color: rgba(210, 230, 245, 0.8);
}

.letter-tag {
    display: inline-block;
    margin-top: 16px;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(220, 238, 250, 0.9);
}

/* 详情页来源标签配色（深底上仍柔和） */
.letter-tag.fudan     { background: rgba(90, 140, 220, 0.3); color: #cfe4ff; }
.letter-tag.nwupl     { background: rgba(50, 170, 130, 0.3); color: #c9f2e4; }
.letter-tag.bfsu      { background: rgba(140, 110, 200, 0.3); color: #e3d9ff; }
.letter-tag.maitiange { background: rgba(210, 150, 50, 0.3); color: #ffe9c2; }
.letter-tag.laopaike  { background: rgba(215, 105, 145, 0.3); color: #ffd9e6; }
.letter-tag.japan     { background: rgba(225, 95, 95, 0.3); color: #ffd4d4; }
.letter-tag.default   { background: rgba(140, 155, 170, 0.3); color: #e0e6ec; }

/* 关于这首诗 */
.letter-about {
    max-width: 560px;
    margin: 40px auto 0;
    padding: 22px 26px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    text-align: left;
}

.letter-about-label {
    display: block;
    font-size: 12px;
    letter-spacing: 3px;
    color: rgba(180, 210, 235, 0.7);
    margin-bottom: 8px;
}

.letter-about-text {
    font-size: 14px;
    line-height: 1.9;
    color: rgba(220, 238, 250, 0.85);
    margin: 0;
}

.letter-actions {
    margin-top: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

/* 详情页「再捞一句」适配深底 */
body.deep .scoop-again {
    border-color: rgba(160, 210, 240, 0.4);
    background: rgba(255, 255, 255, 0.08);
    color: #cfe6f6;
}

body.deep .scoop-again:hover {
    background: rgba(160, 210, 240, 0.15);
    border-color: rgba(180, 220, 245, 0.6);
    box-shadow: 0 6px 22px rgba(0, 30, 60, 0.4);
}

.letter-back {
    font-size: 13px;
    letter-spacing: 2px;
    color: rgba(190, 220, 240, 0.75);
    transition: color .2s;
}

.letter-back:hover { color: #fff; }

@media (max-width: 600px) {
    .letter-text { font-size: 26px; }
    .letter-article { padding: 110px 20px 50px; }
}

/* ============================================
   捞一句详情页 —— 与目录诗歌页一致（天蓝浅色）
   ============================================ */
.letter-text {
    white-space: pre-line;
    font-family: inherit;
    text-shadow: none;
}

.letter-meta {
    text-align: center;
    margin-top: 8px;
}

.letter-fav {
    text-align: center;
    margin-top: 18px;
}

.letter-author {
    display: block;
    margin-top: 10px;
    font-size: 15px;
    letter-spacing: 2px;
    color: var(--muted);
}

.letter-tag {
    display: inline-block;
    margin-top: 14px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 1px;
    line-height: 1.5;
    background: rgba(120, 135, 155, 0.18);
    color: #6a7785;
}

.letter-tag.fudan     { background: rgba(70, 120, 200, 0.15); color: #4a6fc0; }
.letter-tag.nwupl     { background: rgba(40, 160, 120, 0.15); color: #2c8a6a; }
.letter-tag.bfsu      { background: rgba(130, 100, 190, 0.15); color: #6f55b8; }
.letter-tag.maitiange { background: rgba(210, 150, 45, 0.16); color: #a06f18; }
.letter-tag.laopaike  { background: rgba(210, 100, 140, 0.15); color: #b04a72; }
.letter-tag.japan     { background: rgba(220, 90, 90, 0.15);  color: #bb4d4d; }
.letter-tag.default   { background: rgba(120, 135, 155, 0.18); color: #6a7785; }

.letter-actions {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.letter-actions .scoop-again { margin-top: 0; }
.letter-actions .back-link { margin-top: 0; }

/* ============================================
   用户系统：导航入口 / 收藏按钮 / 登录注册弹层 / 「我的」页
   ============================================ */

/* 导航用户项 */
.nav-user { display: inline-flex; align-items: center; gap: 6px; }
.nav-avatar {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.7);
    font-size: 13px; line-height: 1;
}
.nav-name { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 收藏按钮 */
.fav-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0;
    border: none; border-radius: 50%;
    background: transparent;
    color: rgba(22, 50, 79, 0.35);
    font-size: 18px; line-height: 1;
    cursor: pointer;
    transition: color .2s, transform .2s, background .2s;
}
.fav-btn:hover { color: #e0566f; transform: scale(1.15); background: rgba(224, 86, 111, 0.08); }
.fav-btn.on { color: #e0566f; }
.fav-cell { width: 48px; text-align: center; }

.fav-btn-lg {
    display: flex; align-items: center; justify-content: center;
    width: auto; height: auto;
    padding: 8px 18px;
    margin: 14px auto 0;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.22);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: var(--muted);
    font-size: 15px;
}
.fav-btn-lg:hover { background: rgba(255, 255, 255, 0.65); }
.fav-btn-lg.on { color: #e0566f; border-color: rgba(224, 86, 111, 0.35); }

/* 登录 / 注册弹层 */
.auth-overlay {
    position: fixed; inset: 0; z-index: 70;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    background: rgba(8, 30, 56, 0.5);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    opacity: 0; visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.auth-overlay.open { opacity: 1; visibility: visible; }

.auth-modal {
    position: relative;
    width: 100%; max-width: 400px;
    padding: 44px 34px 32px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 24px 70px rgba(10, 40, 70, 0.4), 0 0 50px rgba(170, 214, 240, 0.25);
    text-align: center;
    opacity: 0; transform: translateY(26px);
    transition: opacity .4s cubic-bezier(.16, 1, .3, 1), transform .4s cubic-bezier(.16, 1, .3, 1);
}
.auth-overlay.open .auth-modal { opacity: 1; transform: translateY(0); }

.auth-close {
    position: absolute; top: 12px; right: 12px;
    width: 28px; height: 28px; border: none; border-radius: 50%;
    background: transparent; color: rgba(22, 50, 79, 0.35);
    font-size: 18px; line-height: 1; cursor: pointer;
    transition: background .2s, color .2s;
}
.auth-close:hover { background: rgba(20, 90, 150, 0.08); color: rgba(22, 50, 79, 0.7); }

.auth-tabs {
    display: flex; justify-content: center;
    margin: 0 auto 22px; padding: 4px;
    width: fit-content;
    border-radius: 999px;
    background: rgba(20, 90, 150, 0.08);
}
.auth-tab {
    padding: 7px 22px; border: none; border-radius: 999px;
    background: transparent; color: var(--muted);
    font-size: 14px; letter-spacing: 2px; font-family: inherit; cursor: pointer;
    transition: background .2s, color .2s;
}
.auth-tab.active { background: #fff; color: var(--accent); box-shadow: 0 2px 8px rgba(20, 90, 150, 0.12); }

.auth-title { margin: 0 0 6px; font-size: 22px; font-weight: 400; letter-spacing: 2px; color: var(--text); }
.auth-sub { margin: 0 0 18px; font-size: 13px; color: var(--muted); }

.auth-field {
    width: 100%; box-sizing: border-box;
    margin-top: 12px; padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.22);
    background: rgba(255, 255, 255, 0.85);
    color: var(--text); font-size: 15px; font-family: inherit;
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.auth-field:focus { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(14, 124, 196, 0.12); }
.auth-field::placeholder { color: var(--muted); }

.auth-label { margin: 16px 0 8px; text-align: left; font-size: 13px; letter-spacing: 1px; color: var(--muted); }

.avatar-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.avatar-opt {
    width: 100%; aspect-ratio: 1 / 1;
    border: 1px solid rgba(20, 90, 150, 0.16); border-radius: 12px;
    background: rgba(255, 255, 255, 0.7);
    font-size: 20px; line-height: 1; cursor: pointer;
    transition: border-color .15s, background .15s, transform .15s;
}
.avatar-opt:hover { transform: translateY(-1px); background: #fff; }
.avatar-opt.on { border-color: var(--accent); background: rgba(14, 124, 196, 0.12); box-shadow: 0 0 0 2px rgba(14, 124, 196, 0.2); }

.auth-submit {
    width: 100%; margin-top: 20px; padding: 12px 26px;
    border: none; border-radius: 999px;
    font-weight: 500; letter-spacing: 2px; font-size: 15px; font-family: inherit;
    color: #fff; cursor: pointer;
    background: linear-gradient(90deg, #2b8fd0, #56b4e8);
    box-shadow: 0 6px 20px rgba(20, 120, 190, 0.3);
    transition: transform .2s, box-shadow .2s;
}
.auth-submit:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(20, 120, 190, 0.45); }

.auth-msg { min-height: 18px; margin: 12px 0 0; font-size: 13px; color: #d05b6d; }

/* 「我的」页面 */
.profile { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 24px 20px 64px; }
.profile-card {
    padding: 44px 40px 36px; border-radius: 20px;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(20, 90, 150, 0.16);
}
.profile-head { text-align: center; }
.profile-avatar {
    width: 88px; height: 88px; margin: 0 auto;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; font-size: 44px; line-height: 1;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 6px 20px rgba(20, 90, 150, 0.18);
}
.profile-name { margin: 18px 0 4px; font-size: 26px; font-weight: 400; letter-spacing: 2px; color: var(--text); }
.profile-date { margin: 0; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

.profile-favs { margin-top: 34px; }
.profile-favs-title { font-size: 17px; font-weight: 400; letter-spacing: 3px; color: var(--text); margin: 0 0 14px; }
.profile-favs-count {
    display: inline-block; min-width: 22px; padding: 0 7px;
    margin-left: 6px; border-radius: 999px;
    background: rgba(14, 124, 196, 0.12); color: var(--accent);
    font-size: 13px; text-align: center;
}
.profile-fav {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 14px 16px;
    margin-bottom: 10px; border-radius: 14px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: background .2s, transform .2s, box-shadow .2s;
}
.profile-fav:hover { background: rgba(255, 255, 255, 0.75); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(20, 90, 150, 0.14); }
.pf-title { font-size: 16px; color: var(--text); letter-spacing: 1px; }
.pf-author { font-size: 13px; color: var(--muted); }

.profile-fav-empty { margin: 0; padding: 18px; text-align: center; font-size: 14px; color: var(--muted); }
.profile-fav-empty a { color: var(--accent); }

.profile-logout {
    margin-top: 28px; padding: 10px 30px;
    border: 1px solid rgba(20, 90, 150, 0.28); border-radius: 999px;
    background: rgba(255, 255, 255, 0.4);
    color: var(--muted); font-size: 14px; letter-spacing: 2px; font-family: inherit; cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
}
.profile-logout:hover { background: rgba(224, 86, 111, 0.08); color: #d05b6d; border-color: rgba(224, 86, 111, 0.4); }

.profile-empty { text-align: center; padding: 60px 30px; }
.profile-empty-icon { font-size: 46px; margin: 0 0 10px; }
.profile-empty-text { margin: 0 0 22px; font-size: 15px; color: var(--muted); }
.profile-empty .auth-submit { width: auto; padding: 11px 40px; }

/* 响应式 */
@media (max-width: 600px) {
    .auth-modal { padding: 40px 22px 26px; }
    .avatar-grid { grid-template-columns: repeat(4, 1fr); }
    .profile-card { padding: 34px 20px 28px; }
    .profile-fav { flex-direction: column; align-items: flex-start; gap: 4px; }
    .nav-name { max-width: 60px; }
}

/* ============================================
   分类标签 + 目录筛选
   ============================================ */
.cat-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 11px;
    letter-spacing: 1px;
    line-height: 1.6;
    white-space: nowrap;
}
.cat-tag.ripple { background: rgba(232, 105, 150, 0.15); color: #d85b8a; }
.cat-tag.deep   { background: rgba(60, 90, 170, 0.16);   color: #3f56b0; }
.cat-tag.tide   { background: rgba(45, 155, 140, 0.15);  color: #2c8f82; }
.cat-tag.ebb    { background: rgba(110, 125, 150, 0.16); color: #6b7f95; }
.cat-tag.scoop  { background: rgba(150, 95, 205, 0.15);  color: #8a56c0; }

.letter-meta .cat-tag { margin-left: 8px; }
.article header .cat-tag { margin-top: 6px; }

.catalog-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 auto 18px;
    max-width: 520px;
}
.cat-filter-btn {
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(20, 90, 150, 0.22);
    background: rgba(255, 255, 255, 0.5);
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 1px;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s, box-shadow .2s;
}
.cat-filter-btn:hover { background: rgba(255, 255, 255, 0.85); color: var(--accent); }
.cat-filter-btn.active {
    background: linear-gradient(90deg, #2b8fd0, #56b4e8);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(20, 120, 190, 0.3);
}

.trio-meta-right {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* 分类含义提示（悬停浮层） */
[data-hint] { position: relative; }
[data-hint]::after {
    content: attr(data-hint);
    position: absolute;
    bottom: calc(100% + 7px);
    left: 50%;
    transform: translateX(-50%) translateY(3px);
    padding: 5px 11px;
    border-radius: 8px;
    background: rgba(14, 32, 56, 0.92);
    color: #eaf4fb;
    font-size: 11px;
    letter-spacing: 1px;
    line-height: 1.5;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .18s ease, transform .18s ease;
    box-shadow: 0 4px 16px rgba(10, 30, 55, 0.28);
    z-index: 90;
}
[data-hint]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 来源标签统一配色（淡金「来源印章」，与四类情绪色区分开） */
.trio-tag.fudan, .trio-tag.nwupl, .trio-tag.bfsu, .trio-tag.maitiange, .trio-tag.laopaike, .trio-tag.japan, .trio-tag.default,
.scoop-tag.fudan, .scoop-tag.nwupl, .scoop-tag.bfsu, .scoop-tag.maitiange, .scoop-tag.laopaike, .scoop-tag.japan, .scoop-tag.default,
.letter-tag.fudan, .letter-tag.nwupl, .letter-tag.bfsu, .letter-tag.maitiange, .letter-tag.laopaike, .letter-tag.japan, .letter-tag.default {
    background: rgba(196, 150, 60, 0.16);
    color: #9a7026;
}

.trio-tag.web, .scoop-tag.web, .letter-tag.web {
    background: rgba(196, 150, 60, 0.16);
    color: #9a7026;
}

/* 名家摘录：淡紫，与「网络优秀作品」的淡金区分开 */
.trio-tag.master, .scoop-tag.master, .letter-tag.master {
    background: rgba(150, 110, 200, 0.14);
    color: #7a5aa8;
}

/* 每日一句可点击链接 */
.dq-link { color: inherit; text-decoration: none; }
.dq-link:hover { color: var(--accent); }

/* ============================================
   粉色主题（女生风格 · 浅粉海洋）
   通过 <html data-theme="pink"> 激活
   ============================================ */

/* --- 全局底色 + CSS 变量 --- */
[data-theme="pink"] {
    --text: #111111;
    --muted: #8a6a7a;
    --accent: #d45a7a;
    --accent-soft: #e888a4;
    --card-border: rgba(180, 65, 110, 0.18);
    background: linear-gradient(180deg, #fce4ec 0%, #f8bbd0 45%, #ec7e9e 100%) !important;
    background-attachment: fixed !important;
}
[data-theme="pink"] body {
    background: linear-gradient(180deg, #fce4ec 0%, #f8bbd0 45%, #ec7e9e 100%) !important;
    background-attachment: fixed !important;
}

/* --- 按钮渐变 --- */
[data-theme="pink"] .submit-mail,
[data-theme="pink"] .auth-submit,
[data-theme="pink"] .scoop-again,
[data-theme="pink"] .cat-filter-btn.active {
    background: linear-gradient(90deg, #d45a7a, #f0a0b8);
    box-shadow: 0 6px 20px rgba(190, 64, 120, 0.3);
}
[data-theme="pink"] .submit-mail:hover,
[data-theme="pink"] .auth-submit:hover,
[data-theme="pink"] .scoop-again:hover,
[data-theme="pink"] .cat-filter-btn.active:hover {
    box-shadow: 0 10px 28px rgba(190, 64, 120, 0.45);
}

/* --- 全局卡片阴影：蓝 → 粉 --- */
[data-theme="pink"] .glass-card,
[data-theme="pink"] .daily-quote,
[data-theme="pink"] .poem-card,
[data-theme="pink"] .submit-card,
[data-theme="pink"] .poem,
[data-theme="pink"] .catalog-inner,
[data-theme="pink"] .trio-card,
[data-theme="pink"] .profile-card,
[data-theme="pink"] .profile-avatar,
[data-theme="pink"] .search-dropdown,
[data-theme="pink"] .back-to-catalog,
[data-theme="pink"] .music-btn,
[data-theme="pink"] .scoop-btn {
    box-shadow: 0 8px 28px rgba(180, 65, 110, 0.14);
}
[data-theme="pink"] .glass-card {
    box-shadow: 0 8px 40px rgba(180, 65, 110, 0.16),
                inset 0 0 30px rgba(255, 255, 255, 0.4);
}
[data-theme="pink"] .catalog-inner { box-shadow: 0 8px 32px rgba(180, 65, 110, 0.16); }
[data-theme="pink"] .music-btn { box-shadow: 0 6px 20px rgba(180, 65, 110, 0.2); }
[data-theme="pink"] .music-btn:hover { box-shadow: 0 10px 28px rgba(180, 65, 110, 0.35); }
[data-theme="pink"] .scoop-btn { box-shadow: none; border-color: rgba(180, 65, 110, 0.2); }
[data-theme="pink"] .scoop-btn:hover { box-shadow: 0 6px 18px rgba(180, 65, 110, 0.15); border-color: rgba(190, 64, 120, 0.35); }
[data-theme="pink"] .back-to-catalog { box-shadow: 0 6px 20px rgba(180, 65, 110, 0.18); border-color: rgba(180, 65, 110, 0.22); }
[data-theme="pink"] .back-to-catalog:hover { box-shadow: 0 10px 28px rgba(180, 65, 110, 0.28); }

[data-theme="pink"] .poem-card:hover,
[data-theme="pink"] .trio-card:hover,
[data-theme="pink"] .profile-fav:hover {
    box-shadow: 0 12px 30px rgba(180, 65, 110, 0.2);
}
[data-theme="pink"] .submit-close { background: rgba(180, 65, 110, 0.08); }
[data-theme="pink"] .submit-close:hover { background: rgba(180, 65, 110, 0.18); }
[data-theme="pink"] .scoop-close { background: rgba(180, 65, 110, 0.1); color: rgba(74, 26, 46, 0.35); }
[data-theme="pink"] .scoop-close:hover { background: rgba(180, 65, 110, 0.2); color: rgba(74, 26, 46, 0.7); }

/* --- 全局蓝系 rgba → 粉系 --- */
[data-theme="pink"] .submit-form input,
[data-theme="pink"] .submit-form select,
[data-theme="pink"] .submit-form textarea,
[data-theme="pink"] .cat-filter-btn,
[data-theme="pink"] .trio-prev,
[data-theme="pink"] .trio-next,
[data-theme="pink"] .profile-logout,
[data-theme="pink"] .scoop-btn,
[data-theme="pink"] .back-to-catalog,
[data-theme="pink"] .music-btn,
[data-theme="pink"] .auth-field,
[data-theme="pink"] .avatar-opt,
[data-theme="pink"] #searchInput,
[data-theme="pink"] #homeSearch {
    border-color: rgba(180, 65, 110, 0.18);
}
[data-theme="pink"] .submit-form input:focus,
[data-theme="pink"] .submit-form select:focus,
[data-theme="pink"] .submit-form textarea:focus,
[data-theme="pink"] #searchInput:focus,
[data-theme="pink"] #homeSearch:focus,
[data-theme="pink"] .auth-field:focus {
    box-shadow: 0 0 0 3px rgba(190, 64, 120, 0.12);
    border-color: var(--accent);
}
[data-theme="pink"] .search-clear { background: rgba(180, 65, 110, 0.15); }
[data-theme="pink"] .search-clear:hover { background: rgba(180, 65, 110, 0.3); }
[data-theme="pink"] .auth-tabs { background: rgba(180, 65, 110, 0.08); }
[data-theme="pink"] .search-item:hover,
[data-theme="pink"] .catalog-table tbody tr:hover { background: rgba(190, 64, 120, 0.08); }
[data-theme="pink"] .profile-favs-count { background: rgba(190, 64, 120, 0.12); color: var(--accent); }
[data-theme="pink"] .avatar-opt.on { background: rgba(190, 64, 120, 0.12); box-shadow: 0 0 0 2px rgba(190, 64, 120, 0.2); border-color: var(--accent); }

/* --- 开场动画 --- */
[data-theme="pink"] .intro {
    background: radial-gradient(1100px 820px at 50% 40%, #fce4ec 0%, #f4b6ca 48%, #e88aaa 100%);
}
[data-theme="pink"] .env-back {
    background: linear-gradient(160deg, #fdf2f6, #f9d8e6);
    border-color: #f2c4d6;
    box-shadow: 0 22px 55px rgba(180, 65, 110, 0.25);
}
[data-theme="pink"] .env-sheet { box-shadow: 0 3px 10px rgba(180, 65, 110, 0.12); }
[data-theme="pink"] .env-front { background: linear-gradient(#f9d5e3, #f3c4d8); }
[data-theme="pink"] .env-flap { background: linear-gradient(#fbe8f0, #f6d4e4); }
[data-theme="pink"] .env-front::after { color: var(--muted); }

/* 信纸横线 + 折痕 → 粉调 */
[data-theme="pink"] .letter-card {
    box-shadow: 0 26px 64px rgba(180, 65, 110, 0.28);
    background:
        repeating-linear-gradient(
            transparent 0, transparent 31px,
            rgba(180, 65, 110, .06) 31px, rgba(180, 65, 110, .06) 32px
        ),
        #fffdf7;
}
[data-theme="pink"] .letter-card::before {
    background: linear-gradient(180deg, rgba(180, 65, 110, .05), rgba(180, 65, 110, .18), rgba(180, 65, 110, .05));
}
[data-theme="pink"] .letter-stamp {
    color: var(--accent);
    border-color: rgba(180, 65, 110, 0.4);
    box-shadow: 0 2px 6px rgba(180, 65, 110, 0.14);
}
[data-theme="pink"] .letter-greet,
[data-theme="pink"] .letter-poem,
[data-theme="pink"] .letter-sign { color: var(--text); }
[data-theme="pink"] .intro-skip { color: var(--muted); }

/* --- 音乐按钮激活态 --- */
[data-theme="pink"] .music-btn.on { background: rgba(220, 100, 140, 0.55); }

/* --- 弹窗：投稿/意见/前言 遮罩 + 卡片 --- */
[data-theme="pink"] .submit-overlay,
[data-theme="pink"] .scoop-overlay { background: rgba(40, 10, 25, 0.45); }
[data-theme="pink"] .submit-modal {
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(254, 242, 248, 0.96));
    box-shadow: 0 26px 70px rgba(60, 20, 35, 0.35);
}
[data-theme="pink"] .auth-overlay { background: rgba(40, 10, 25, 0.5); }
[data-theme="pink"] .auth-modal {
    box-shadow: 0 24px 70px rgba(60, 20, 35, 0.4), 0 0 50px rgba(240, 160, 190, 0.25);
}

/* 捞一句 v2 弹窗：替换蓝色 outer glow */
[data-theme="pink"] .scoop-modal {
    box-shadow:
        0 0 42px rgba(255, 200, 160, 0.3),
        0 0 90px rgba(240, 160, 190, 0.22),
        0 30px 80px rgba(60, 20, 35, 0.4);
}
[data-theme="pink"] .scoop-text { color: var(--text); }
[data-theme="pink"] .scoop-author { color: var(--muted); }
[data-theme="pink"] .scoop-detail-link { color: var(--accent); }
/* v2 捞一句再抽按钮 border */
[data-theme="pink"] .scoop-again {
    border-color: rgba(190, 64, 120, 0.35);
    background: rgba(255, 255, 255, 0.35);
    color: var(--accent);
    box-shadow: none;
}
[data-theme="pink"] .scoop-again:hover {
    background: rgba(190, 64, 120, 0.08);
    border-color: rgba(190, 64, 120, 0.5);
    box-shadow: 0 6px 18px rgba(180, 65, 110, 0.15);
}

/* --- 投稿/意见 成功/再次 按钮 --- */
[data-theme="pink"] .submit-again {
    border-color: rgba(180, 65, 110, 0.25);
}

/* --- 表单提示文字 --- */
[data-theme="pink"] .form-label em,
[data-theme="pink"] .submit-form input::placeholder,
[data-theme="pink"] .submit-form textarea::placeholder { color: var(--muted); opacity: 0.8; }

/* --- 诗歌详情/赏析 --- */
[data-theme="pink"] .original-text p { color: var(--muted); }
[data-theme="pink"] .analysis { color: var(--text); }
[data-theme="pink"] .analysis blockquote {
    background: rgba(190, 64, 120, 0.08);
    color: var(--accent);
}

/* --- scoop-detail 深页 --- */
[data-theme="pink"] body.deep #ambient { filter: brightness(.5) saturate(1.15); }
[data-theme="pink"] body.deep .logo { color: #fbe8f0; text-shadow: 0 0 14px rgba(60, 10, 30, 0.5); }
[data-theme="pink"] body.deep .nav-links a { color: rgba(240, 210, 225, 0.8); }
[data-theme="pink"] body.deep .footer { color: rgba(230, 200, 215, 0.7); }
/* 这几条原本是旧版「深色详情页」留下的浅粉/白色文字（#fbe8f0 之类），
   在现在的浅色底上等于隐形。统一改成跟蓝色主题一致的颜色。 */
[data-theme="pink"] .letter-text { color: var(--text); }
[data-theme="pink"] .letter-author { color: var(--muted); }
[data-theme="pink"] .letter-back { color: var(--muted); }
[data-theme="pink"] .letter-about-label { color: var(--muted); }
[data-theme="pink"] .letter-about-text { color: var(--text); }
[data-theme="pink"] body.deep .scoop-again {
    border-color: rgba(240, 160, 190, 0.4);
    background: rgba(255, 255, 255, 0.08);
    color: #f0c8d8;
}
[data-theme="pink"] body.deep .scoop-again:hover {
    background: rgba(240, 160, 190, 0.15);
    border-color: rgba(240, 180, 200, 0.6);
    box-shadow: 0 6px 22px rgba(60, 10, 30, 0.4);
}

/* --- 页脚 --- */
[data-theme="pink"] .footer { color: var(--text); }

/* --- 提交表单兜底链接 --- */
[data-theme="pink"] .submit-fallback { border-bottom-color: rgba(150, 80, 110, 0.4); }

/* --- 目录表格分隔线 --- */
[data-theme="pink"] .catalog-table thead th { border-bottom-color: rgba(180, 65, 110, 0.15); }
[data-theme="pink"] .catalog-table tbody td { border-bottom-color: rgba(180, 65, 110, 0.1); }
[data-theme="pink"] .search-item { border-bottom-color: rgba(180, 65, 110, 0.07); }
[data-theme="pink"] .original { border-bottom-color: rgba(180, 65, 110, 0.15); }
[data-theme="pink"] .trio-prev,
[data-theme="pink"] .trio-next { border-color: rgba(180, 65, 110, 0.25); }
[data-theme="pink"] .profile-logout:hover { border-color: rgba(190, 64, 120, 0.4); }
[data-theme="pink"] .auth-tab.active { box-shadow: 0 2px 8px rgba(180, 65, 110, 0.12); }

/* ============================================
   2026 修补：移动端导航、主题按钮位置、减少动效
   ============================================ */

/* 主题切换按钮：位置从内联样式挪到这里，
   和音乐按钮共用 .music-btn 的定位，尺寸一改两边一起改 */
.theme-btn { right: 80px; }

/* ---------- 移动端导航折叠（按钮由 nav.js 注入） ---------- */
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 11px 9px;
    box-sizing: border-box;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform .25s, opacity .25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 600px) {
    .nav-toggle { display: flex; }

    .nav-links {
        position: absolute;
        top: calc(100% - 8px);
        right: 18px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        min-width: 150px;
        padding: 8px;
        border: 1px solid var(--card-border);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 14px 34px rgba(20, 90, 150, 0.18);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity .22s, transform .22s, visibility .22s;
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links a {
        margin-left: 0;
        padding: 9px 14px;
        text-align: right;
        border-radius: 10px;
        font-size: 15px;
    }

    .nav-links a:active { background: rgba(20, 90, 150, 0.08); }
}

/* 粉色主题下同步这几个新控件的配色。
   注意：必须留在媒体查询内部 —— .nav-links 在桌面端是普通的一行链接，
   一旦被加上背景/阴影，导航那一栏就会出现一个白框。 */
@media (max-width: 600px) {
    [data-theme="pink"] .nav-toggle { background: rgba(255, 255, 255, 0.62); border-color: var(--card-border); }
    [data-theme="pink"] .nav-toggle span { background: #4a2a38; }
    [data-theme="pink"] .nav-links {
        background: rgba(255, 255, 255, 0.9);
        border-color: var(--card-border);
        box-shadow: 0 14px 34px rgba(180, 65, 110, 0.18);
    }
    [data-theme="pink"] .nav-links a:active { background: rgba(180, 65, 110, 0.1); }
}

/* ---------- 尊重系统的「减少动态效果」 ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    /* 纯装饰的交互层直接收起：既省电，也不会在用户眼前乱动 */
    #cursor, #hearts { display: none !important; }
}

/* ============================================
   阅读下一页：详情页的「上一首 / 下一首」
   （按钮与文末卡片都由 poem-nav.js 注入）
   ============================================ */
body.has-poem-nav .footer { padding-bottom: 108px; }

/* 文末的「下一首」卡片：读完正好落在这里 */
.poem-next-cta {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 720px;
    margin: 30px auto 0;
    padding: 17px 22px;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.45);
    box-shadow: 0 8px 24px rgba(20, 90, 150, 0.10);
    transition: transform .18s, box-shadow .18s, background .18s;
}

.poem-next-cta:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.68);
    box-shadow: 0 12px 30px rgba(20, 90, 150, 0.18);
}

.pnc-label { font-size: 13px; letter-spacing: 2px; color: var(--muted); }
.pnc-title { flex: 1; font-size: 17px; letter-spacing: 1px; color: var(--text); }
.pnc-sub   { font-size: 13px; color: var(--muted); }
.pnc-arrow { font-size: 18px; color: var(--accent); }

/* 左下角常驻胶囊。
   为什么不居中：正文是居中排版的，居中的悬浮按钮会正好压在诗句上；
   放左下角既避开了正文，也不会和右下角的音乐/主题按钮打架。 */
.poem-nav {
    position: fixed;
    left: 22px;
    bottom: 22px;
    z-index: 9;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 26px rgba(20, 90, 150, 0.18);
}

.pn-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    letter-spacing: 1px;
    white-space: nowrap;
    cursor: pointer;
    transition: background .18s, color .18s;
}

.pn-btn:hover { background: rgba(14, 124, 196, 0.12); color: var(--accent); }
.pn-btn:active { transform: scale(0.97); }

/* 首次提示 */
.pn-hint {
    position: fixed;
    left: 22px;
    bottom: 76px;
    z-index: 9;
    padding: 6px 15px;
    border-radius: 999px;
    background: rgba(16, 46, 76, 0.66);
    color: #fff;
    font-size: 12px;
    letter-spacing: 1px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .45s;
}

.pn-hint.show { opacity: 1; }

/* 粉色主题 */
[data-theme="pink"] .poem-nav { box-shadow: 0 8px 26px rgba(180, 65, 110, 0.18); }
[data-theme="pink"] .poem-next-cta { box-shadow: 0 8px 24px rgba(180, 65, 110, 0.10); }
[data-theme="pink"] .poem-next-cta:hover { box-shadow: 0 12px 30px rgba(180, 65, 110, 0.18); }
[data-theme="pink"] .pn-btn:hover { background: rgba(212, 90, 122, 0.14); }
[data-theme="pink"] .pn-hint { background: rgba(90, 30, 55, 0.7); }

/* 窄屏：抬起来，别压住右下角的音乐/主题按钮 */
@media (max-width: 600px) {
    .poem-nav { left: 12px; bottom: 16px; padding: 4px; }
    .pn-btn { padding: 7px 12px; font-size: 13px; }
    .pn-hint { left: 12px; bottom: 66px; }
    body.has-poem-nav .footer { padding-bottom: 128px; }
    .poem-next-cta { margin: 24px 16px 0; padding: 15px 16px; gap: 9px; }
    .pnc-title { font-size: 15px; }
    .pnc-sub { display: none; }
}

/* ============================================
   「表白圣地」：种子按钮 / 复制诗句 / 提示条
   ============================================ */

/* 小图标版种子（目录、三行情诗卡片） */
.seed-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: rgba(22, 50, 79, 0.4);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    transition: color .2s, transform .2s, background .2s;
}

.seed-btn:hover { color: #2f9e5e; transform: scale(1.15) rotate(-8deg); background: rgba(47, 158, 94, 0.1); }
.seed-btn.done { color: #2f9e5e; }

/* 目录里收藏 + 种子并排，格子要放宽一点 */
.fav-cell { width: 68px; white-space: nowrap; }

/* 三行情诗卡片：种子放在收藏左边的同一行 */
.trio-card .seed-btn {
    position: absolute;
    top: 10px;
    right: 44px;
}

/* 详情页的动作行 */
.poem-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 22px;
}

.act-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.42);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background .18s, transform .18s, border-color .18s, color .18s;
}

.act-btn:hover { background: rgba(255, 255, 255, 0.72); transform: translateY(-1px); }
.act-btn.seed:hover { color: #2f9e5e; border-color: rgba(47, 158, 94, 0.42); }
.act-btn.done { color: #2f9e5e; border-color: rgba(47, 158, 94, 0.45); background: rgba(47, 158, 94, 0.08); }

/* 三行情诗详情页那一行：收藏 + 种子 + 复制 */
.letter-fav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
}

.letter-fav .fav-btn-lg { margin: 0; }

/* 复制结果提示条 */
.share-toast {
    position: fixed;
    left: 50%;
    top: 86px;
    transform: translateX(-50%) translateY(-10px);
    z-index: 200;
    max-width: 86vw;
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(16, 46, 76, 0.84);
    color: #fff;
    font-size: 14px;
    letter-spacing: 1px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .28s, transform .28s;
}

.share-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.share-toast.err { background: rgba(152, 52, 62, 0.86); }

@media (max-width: 600px) {
    .poem-actions { gap: 8px; margin-top: 18px; }
    .act-btn { padding: 8px 14px; font-size: 13px; }
    .share-toast { top: 74px; font-size: 13px; padding: 9px 16px; }
    .trio-card .seed-btn { top: 8px; right: 40px; }
}

/* 信里亮出的诗名：像一句轻轻的 P.S. */
.letter-teaser {
    font-family: 'Zhi Mang Xing', 'STXingkai', 'KaiTi', serif;
    font-size: 17px;
    line-height: 1.6;
    color: #b8486f;
    letter-spacing: 2px;
    text-align: center;
    margin-top: -2px;
}

[data-theme="pink"] .letter-teaser { color: #b8486f; }

@media (max-width: 600px) {
    .letter-teaser { font-size: 15px; }
}

/* 每日一句：三行情诗是整首抽出来的，要保留换行 */
.dq-text { white-space: pre-line; }

/* 分享进来时信里只剩题目，把它放大一点，成为信的主角 */
.letter-teaser { font-size: 21px; margin: 8px 0 2px; }

/* ============================================
   显示密码：弹层里的眼睛开关 + 「我的」页的密码行
   ============================================ */
.pass-wrap { position: relative; margin-top: 12px; }
.pass-wrap .auth-field { margin-top: 0; padding-right: 50px; }

.pass-eye {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    transition: background .18s, color .18s, transform .18s;
}

.pass-eye:hover { background: rgba(20, 90, 150, 0.09); color: var(--accent); transform: translateY(-50%) scale(1.08); }
.pass-eye.on { color: var(--accent); }

/* 「我的」页那一行 */
.profile-pass {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 14px 0 0;
    padding: 5px 6px 5px 14px;
    border-radius: 999px;
    background: rgba(20, 90, 150, 0.06);
    font-size: 13px;
    letter-spacing: 1px;
}

.pp-label { color: var(--muted); }
.pp-value {
    min-width: 62px;
    text-align: center;
    color: var(--text);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    letter-spacing: 2px;
}

.pp-toggle {
    padding: 4px 12px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    color: var(--accent);
    font-family: inherit;
    font-size: 12px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background .18s;
}

.pp-toggle:hover { background: #fff; }

.profile-pass-note { margin: 8px 0 0; font-size: 12px; color: var(--muted); letter-spacing: 1px; }

[data-theme="pink"] .pass-eye:hover { background: rgba(212, 90, 122, 0.13); }
[data-theme="pink"] .profile-pass { background: rgba(212, 90, 122, 0.08); }

/* ============================================
   首页左下角的小统计
   ============================================ */
.site-stats {
    position: fixed;
    left: 20px;
    bottom: 20px;
    z-index: 8;
    padding: 11px 16px;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(20, 90, 150, 0.14);
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 1px;
    line-height: 1.85;
    pointer-events: none;      /* 纯展示，别挡着下面能点的东西 */
}

.ss-row { margin: 0; display: flex; align-items: baseline; gap: 5px; }
.ss-ico { font-size: 13px; }

.ss-num {
    color: var(--text);
    font-size: 15px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-weight: 500;
}

.ss-sub { font-size: 12px; color: var(--muted); }
.ss-friends { margin: 3px 0 0; font-size: 12px; color: var(--muted); }

[data-theme="pink"] .site-stats { box-shadow: 0 8px 24px rgba(180, 65, 110, 0.16); }

@media (max-width: 600px) {
    .site-stats { left: 12px; bottom: 12px; padding: 8px 12px; font-size: 12px; line-height: 1.7; }
    .ss-num { font-size: 13px; }
    .ss-friends { display: none; }
}

/* ============================================
   收藏码（没有密码的账号）
   ============================================ */
.auth-code-input {
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: ui-monospace, Menlo, Consolas, monospace;
}

.code-box {
    margin: 18px 0 14px;
    padding: 15px 8px;
    border: 1px dashed rgba(20, 90, 150, 0.35);
    border-radius: 14px;
    background: rgba(20, 90, 150, 0.05);
    color: var(--text);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 21px;
    letter-spacing: 3px;
    text-align: center;
    user-select: all;          /* 点一下就能整串选中 */
}

.code-warn {
    margin: 14px 0 0;
    font-size: 12.5px;
    line-height: 1.9;
    color: #b06a1f;
    text-align: left;
}

.code-done {
    margin-top: 14px;
    padding: 8px 6px;
    border: none;
    background: transparent;
    color: var(--muted);
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 1px;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    transition: color .18s;
}
.code-done:hover { color: var(--accent); }

.pp-copy { margin-left: 4px; }

[data-theme="pink"] .code-box { border-color: rgba(190, 64, 120, 0.4); background: rgba(212, 90, 122, 0.07); }
[data-theme="pink"] .code-warn { color: #b3566f; }

/* ============================================
   左右两侧的翻页箭头（诗歌 / 三行情诗详情页）
   ============================================ */
.pn-side {
    position: fixed;
    top: 50%;
    z-index: 9;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--card-border);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 6px 22px rgba(20, 90, 150, 0.16);
    color: var(--accent);
    font-family: inherit;
    cursor: pointer;
    transition: transform .22s cubic-bezier(.16, 1, .3, 1), background .22s, box-shadow .22s;
}

.pn-side-prev { left: 18px; transform: translateY(-50%); }
.pn-side-next { right: 18px; transform: translateY(-50%); }
.pn-side:hover { background: #fff; box-shadow: 0 10px 30px rgba(20, 90, 150, 0.26); }
.pn-side-prev:hover { transform: translateY(-50%) translateX(-3px); }
.pn-side-next:hover { transform: translateY(-50%) translateX(3px); }
.pn-side:active { transform: translateY(-50%) scale(0.94); }
.pn-side:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.pn-side-ico {
    display: block;
    margin-top: -3px;
    font-size: 26px;
    line-height: 1;
}

/* 悬停时滑出"要翻到哪一首" */
.pn-side-tip {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 6px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 18px rgba(20, 90, 150, 0.16);
    color: var(--text);
    font-size: 13px;
    letter-spacing: 1px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}
.pn-side-prev .pn-side-tip { right: calc(100% + 10px); }
.pn-side-next .pn-side-tip { left: calc(100% + 10px); }
.pn-side:hover .pn-side-tip { opacity: 1; }

[data-theme="pink"] .pn-side { box-shadow: 0 6px 22px rgba(180, 65, 110, 0.18); }
[data-theme="pink"] .pn-side:hover { box-shadow: 0 10px 30px rgba(180, 65, 110, 0.28); }
[data-theme="pink"] .pn-side-tip { box-shadow: 0 6px 18px rgba(180, 65, 110, 0.18); }

/* 窄屏 / 触屏：挪到底部两侧，拇指够得着，也不压住正文 */
@media (max-width: 700px), (hover: none) {
    .pn-side {
        top: auto;
        bottom: 78px;
        width: 44px;
        height: 44px;
    }
    .pn-side-prev { left: 12px; transform: none; }
    .pn-side-next { right: 12px; transform: none; }
    .pn-side-prev:hover { transform: translateX(-3px); }
    .pn-side-next:hover { transform: translateX(3px); }
    .pn-side:active { transform: scale(0.94); }
    .pn-side-ico { font-size: 23px; }
    .pn-side-tip { display: none; }
}