/* ============================================================
   ELVES31y的小屋 — 全局样式
   设计规范参考自 Kirameku（MIT License），用原生 CSS 重写。
   淡蓝紫柔和色系 · 毛玻璃卡片 · 大圆角 · 柔和阴影
   ============================================================ */

/* ---------- 字体 ---------- */
:root {
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
}

/* ---------- 主题变量（浅色） ---------- */
:root {
  --primary: #0ea5e9;          /* sky-500 */
  --primary-2: #38bdf8;        /* sky-400 */
  --primary-soft: rgba(14, 165, 233, 0.1);
  --indigo: #6366f1;
  --indigo-soft: rgba(99, 102, 241, 0.1);
  --purple: #a855f7;
  --pink: #ec4899;
  --pink-soft: rgba(236, 72, 153, 0.1);

  --text-1: #0f172a;           /* slate-900 */
  --text-2: #475569;           /* slate-600 */
  --text-3: #94a3b8;           /* slate-400 */

  --card-bg: rgba(255, 255, 255, 0.4);
  --card-bg-strong: rgba(255, 255, 255, 0.6);
  --card-border: rgba(255, 255, 255, 0.45);
  --glass-blur: 12px;

  --radius-lg: 24px;           /* rounded-3xl */
  --radius-md: 16px;           /* rounded-2xl */
  --radius-sm: 12px;           /* rounded-xl */

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);

  --divider: rgba(15, 23, 42, 0.08);

  /* 背景：淡蓝紫柔和渐变 */
  --bg-body: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 25%, #a1c4fd 50%, #c2e9fb 75%, #a18cd1 100%);
  --bg-size: 400% 400%;
}

/* ---------- 深色主题 ---------- */
[data-theme="dark"] {
  --primary: #38bdf8;
  --primary-2: #0ea5e9;
  --primary-soft: rgba(56, 189, 248, 0.15);
  --indigo: #818cf8;
  --indigo-soft: rgba(129, 140, 248, 0.2);
  --purple: #c084fc;
  --pink: #f472b6;
  --pink-soft: rgba(244, 114, 182, 0.15);

  --text-1: #f1f5f9;
  --text-2: #cbd5e1;
  --text-3: #64748b;

  --card-bg: rgba(30, 41, 59, 0.5);        /* slate-800/50 */
  --card-bg-strong: rgba(15, 23, 42, 0.65); /* slate-900 */
  --card-border: rgba(255, 255, 255, 0.1);

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);

  --divider: rgba(255, 255, 255, 0.08);

  --bg-body: linear-gradient(135deg, #0f0b2e 0%, #1a1145 25%, #0d1b3e 50%, #1e1145 75%, #0f0b2e 100%);
}

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

html {
  overflow-y: scroll;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-1);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background: var(--bg-body);
  background-size: var(--bg-size);
  animation: gradient-flow 20s ease infinite;
  background-attachment: fixed;
  transition: background 0.5s ease, color 0.3s ease;
}

/* 首页背景图位：/images/home-bg.png（关于页横幅用的是 about-bg.jpg）。
   图不在 / 加载失败时自动回落到底下的渐变，不会白屏。 */
body.page-home {
  background: url(/images/home-bg.png) center/cover no-repeat fixed, var(--bg-body);
  animation: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

@keyframes gradient-flow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---------- 毛玻璃基础 ---------- */
.glass-card {
  background: var(--card-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-md);
  transition: box-shadow 0.3s ease, transform 0.3s ease, background 0.5s ease, border-color 0.5s ease;
}
.glass-card.hoverable:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.glass-button {
  background: rgba(255, 255, 255, 0.3);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  color: var(--text-2);
}
.glass-button:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--text-1);
}
[data-theme="dark"] .glass-button { background: rgba(51, 65, 85, 0.5); border-color: rgba(255,255,255,0.12); }
[data-theme="dark"] .glass-button:hover { background: rgba(71, 85, 105, 0.6); }

.glass-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.3);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  outline: none;
  transition: all 0.3s ease;
  color: var(--text-1);
}
.glass-input:focus {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}
[data-theme="dark"] .glass-input { background: rgba(51, 65, 85, 0.5); border-color: rgba(255,255,255,0.12); }

/* 主按钮（渐变） */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  color: #fff; font-weight: 600; font-size: 0.875rem;
  box-shadow: 0 6px 18px rgba(14, 165, 233, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(14, 165, 233, 0.4); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.2rem; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.875rem; font-weight: 500; color: var(--text-2);
  transition: all 0.3s ease;
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); color: var(--text-1); }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.3); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99, 102, 241, 0.8); }
* { scrollbar-width: thin; scrollbar-color: rgba(99, 102, 241, 0.3) transparent; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: 1152px; margin: 0 auto; padding: 0 16px; }
.container-narrow { width: 100%; max-width: 896px; margin: 0 auto; padding: 0 16px; }
.container-xs { width: 100%; max-width: 672px; margin: 0 auto; padding: 0 16px; }

.main { padding-top: 84px; /* 给固定导航让位 */ padding-bottom: 48px; min-height: 70vh; }

/* 页头（图标 + 标题 + 副标题） */
.page-header { margin-bottom: 32px; }
.page-header .head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.page-header .head svg { width: 26px; height: 26px; color: var(--primary); }
.page-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--text-1); }
.page-header .sub { font-size: 0.9rem; color: var(--text-2); margin-left: 36px; }

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: var(--card-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
.navbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.brand { display: flex; align-items: center; font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; color: var(--text-1); }
.brand .accent { color: var(--primary); font-family: serif; margin: 0 2px; }

.nav-links { display: none; align-items: center; gap: 2px; }
.nav-links a {
  position: relative; display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 8px; font-size: 0.875rem; font-weight: 500;
  color: var(--text-2); transition: all 0.2s ease;
}
.nav-links a svg { width: 16px; height: 16px; }
.nav-links a:hover { color: var(--text-1); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
}

.nav-actions { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 8px; color: var(--text-2);
  transition: all 0.2s ease;
}
.icon-btn:hover { background: rgba(148, 163, 184, 0.15); color: var(--text-1); }
.icon-btn svg { width: 20px; height: 20px; }
.hamburger { display: flex; }

/* 移动端下拉菜单 */
.mobile-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 49;
  background: var(--card-bg-strong);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  box-shadow: var(--shadow-card); padding: 12px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 8px; font-size: 0.95rem; font-weight: 500; color: var(--text-2);
}
.mobile-menu a svg { width: 20px; height: 20px; }
.mobile-menu a.active { background: var(--primary-soft); color: var(--primary); }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 48px; padding: 32px 16px;
  border-top: 1px solid var(--card-border);
  background: var(--card-bg);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  text-align: center;
}
.site-footer .brand { justify-content: center; font-size: 1.1rem; margin-bottom: 8px; }
.site-footer p { color: var(--text-3); font-size: 0.8rem; }
.site-footer .links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 10px; }
.site-footer .links a { color: var(--text-3); font-size: 0.8rem; }
.site-footer .links a:hover { color: var(--primary); }

/* ---------- 首页 ---------- */
.home-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.section-card { padding: 22px; border-radius: var(--radius-lg); }
.section-title { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; font-weight: 700; margin-bottom: 14px; }
.section-title svg { width: 18px; height: 18px; color: var(--primary); }

/* 个人信息卡 */
.profile-card { padding: 24px; border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: space-between; min-height: 220px; }
.profile-top { display: flex; align-items: flex-start; gap: 16px; }
.avatar-ring {
  flex-shrink: 0; width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-2), var(--indigo), var(--purple));
  padding: 3px; box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}
.avatar-ring img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; background: #fff; }
.avatar-inner {
  width: 100%; height: 100%; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 1.9rem; font-weight: 700;
  background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff;
}
.profile-top h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.profile-top .bio { font-size: 0.9rem; color: var(--text-2); max-width: 480px; }
.profile-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.stats { display: flex; gap: 24px; }
.stat { text-align: center; }
.stat .num { font-size: 1.4rem; font-weight: 900; color: var(--indigo); }
.stat:nth-child(2) .num { color: var(--purple); }
.stat:nth-child(3) .num { color: var(--pink); }
.stat .label { font-size: 0.6rem; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.12em; }
.social-row { display: flex; gap: 10px; flex-wrap: wrap; }
.social-btn {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center; color: var(--text-2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: all 0.3s ease;
}
[data-theme="dark"] .social-btn { background: rgba(51,65,85,0.5); border-color: rgba(255,255,255,0.1); }
.social-btn:hover { transform: scale(1.15) translateY(-3px); color: var(--primary); }
.social-btn svg { width: 20px; height: 20px; }

/* 音乐卡（首页） */
.music-card { padding: 22px; border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: center; }
.music-card .aplayer { margin: 0; border-radius: var(--radius-sm); }

/* 文章 hero 大图卡 */
.hero-post {
  position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 200px; aspect-ratio: 16/10;
}
.hero-post img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hero-post:hover img { transform: scale(1.05); }
.hero-post .mask { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.75), rgba(0,0,0,0.15) 50%, transparent); }
.hero-post .info { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px; color: #fff; }
.hero-post .info h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.hero-post .info p { font-size: 0.85rem; opacity: 0.75; }
.hero-post .meta { display: flex; gap: 14px; font-size: 0.75rem; opacity: 0.6; margin-top: 6px; }
.hero-post .placeholder {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--indigo), var(--primary-2), var(--purple)); color: #fff; font-size: 1.4rem;
}
.hero-post .fallback, .mini-post .fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--indigo), var(--primary-2), var(--purple));
  color: #fff; font-family: var(--font-serif); font-size: 1.05rem; padding: 16px; text-align: center;
}

/* 小文章卡（首页） */
.mini-posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mini-post {
  position: relative; display: block; border-radius: var(--radius-md); overflow: hidden; height: 90px;
}
.mini-post img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.mini-post:hover img { transform: scale(1.05); }
.mini-post .bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--indigo), var(--purple)); }
.mini-post .t { position: absolute; inset: 0; padding: 10px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: rgba(0,0,0,0.35); }
.mini-post .t h4 { font-size: 0.75rem; font-weight: 700; }
.mini-post .t span { font-size: 0.6rem; opacity: 0.6; }

/* 说说预览卡 */
.moment-preview { padding: 18px; border-radius: var(--radius-md); min-height: 120px; }
.moment-preview .time { font-size: 0.7rem; color: var(--text-3); }
.moment-preview p { font-size: 0.85rem; color: var(--text-2); margin-top: 6px; line-height: 1.6; }

/* ---------- 文章列表 ---------- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filter-tab {
  position: relative; padding: 6px 18px; border-radius: var(--radius-md);
  font-size: 0.85rem; font-weight: 500; color: var(--text-2);
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: all 0.3s ease; overflow: hidden;
}
.filter-tab:hover { background: rgba(255,255,255,0.24); }
.filter-tab.active { color: #fff; border-color: transparent; background: linear-gradient(90deg, var(--primary), var(--primary-2)); box-shadow: 0 6px 16px rgba(14,165,233,0.3); }
.filter-tab .count { font-size: 0.75rem; opacity: 0.65; margin-left: 5px; }

.post-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .post-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }

.post-card {
  position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/10; background: var(--card-bg-strong);
  transform-style: preserve-3d; transition: transform 0.2s ease-out, box-shadow 0.3s ease;
}
.post-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.post-card:hover img { transform: scale(1.06); }
.post-card .mask { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.75), rgba(0,0,0,0.2) 55%, transparent); }
.post-card .fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--indigo), var(--primary-2), var(--purple));
  color: rgba(255,255,255,0.9); font-family: var(--font-serif); font-size: 1.3rem; padding: 20px; text-align: center;
}
.post-card .pin {
  position: absolute; top: 12px; left: 12px; display: flex; align-items: center; gap: 4px;
  padding: 3px 12px; border-radius: 999px; background: rgba(245, 158, 11, 0.9);
  color: #fff; font-size: 0.7rem; font-weight: 600;
}
.post-card .body { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px; color: #fff; }
.post-card .body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; line-height: 1.4; }
.post-card .body p { font-size: 0.8rem; opacity: 0.72; margin-bottom: 8px; }
.post-card .meta { display: flex; justify-content: space-between; font-size: 0.72rem; opacity: 0.6; }
.post-card .meta .l, .post-card .meta .r { display: flex; gap: 10px; align-items: center; }

/* 空状态 / 加载 */
.empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 80px 0; color: var(--text-3); }
.empty svg { width: 44px; height: 44px; opacity: 0.4; margin-bottom: 12px; }
.spinner {
  width: 32px; height: 32px; margin: 40px auto;
  border: 3px solid var(--primary); border-top-color: transparent; border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 文章详情 ---------- */
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; color: var(--text-2); margin-bottom: 16px; }
.back-link:hover { color: var(--primary); }
.back-link svg { width: 16px; height: 16px; }

.article {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--card-bg-strong);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border: 1px solid var(--card-border); box-shadow: var(--shadow-lg);
}
.article-cover { position: relative; width: 100%; height: 180px; overflow: hidden; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.article-cover .mask { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.5), transparent); }
.article-body { padding: 24px 20px 32px; }
@media (min-width: 768px) { .article-body { padding: 40px 48px; } .article-cover { height: 288px; } }
.article-body h1.title { font-size: 1.5rem; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
@media (min-width: 768px) { .article-body h1.title { font-size: 2.2rem; } }
.article-body .desc { font-size: 1rem; color: var(--text-2); margin-bottom: 20px; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.82rem; color: var(--text-2);
  padding-bottom: 20px; margin-bottom: 24px; border-bottom: 1px solid var(--divider);
}
.article-meta .item { display: inline-flex; align-items: center; gap: 5px; }
.article-meta svg { width: 15px; height: 15px; }
.article-meta .like-btn { transition: color 0.2s; }
.article-meta .like-btn:hover { color: var(--pink); }
.article-meta .like-btn.liked { color: var(--pink); }
.article-meta .like-btn.liked svg { fill: var(--pink); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag {
  padding: 3px 12px; border-radius: 999px; font-size: 0.75rem;
  background: var(--primary-soft); color: var(--primary);
  border: 1px solid rgba(14,165,233,0.25);
}

/* Markdown 正文排版（post-content） */
.post-content { font-size: 1rem; line-height: 1.85; color: var(--text-1); word-break: break-word; }
.post-content h2 { font-size: 1.5rem; font-weight: 700; margin: 2rem 0 0.75rem; }
.post-content h3 { font-size: 1.25rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.post-content h4 { font-size: 1.1rem; font-weight: 600; margin: 1.25rem 0 0.5rem; }
.post-content p { margin: 0.9rem 0; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin: 1rem 0; }
.post-content li { margin: 0.3rem 0; }
.post-content a { color: var(--indigo); text-decoration: underline; text-underline-offset: 3px; }
.post-content img { display: block; margin: 2rem auto; border-radius: var(--radius-md); cursor: zoom-in; }
.post-content blockquote {
  border-left: 4px solid var(--indigo); padding-left: 1rem; margin: 1.5rem 0;
  color: var(--text-2); font-style: italic;
}
.post-content code { font-family: var(--font-mono); }
.post-content p code, .post-content li code {
  background: var(--indigo-soft); color: var(--indigo); padding: 0.15rem 0.4rem;
  border-radius: 6px; font-weight: 600; font-size: 0.88em;
}
.post-content pre {
  background: #1e293b !important; color: #e2e8f0 !important;
  padding: 1.25rem; border-radius: 12px; overflow-x: auto; margin: 1.5rem 0;
  border: 1px solid rgba(255,255,255,0.08); line-height: 1.6;
}
.post-content pre code { background: transparent; padding: 0; font-size: 0.9em; color: inherit; }
.post-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; border: 1px solid var(--divider); border-radius: 8px; overflow: hidden; }
.post-content th, .post-content td { border: 1px solid var(--divider); padding: 0.6rem 1rem; text-align: left; }
.post-content th { background: rgba(148,163,184,0.12); font-weight: 600; }
.post-content hr { border: none; border-top: 1px solid var(--divider); margin: 2rem 0; }

/* ---------- 评论区 ---------- */
.comments { margin-top: 28px; border-radius: var(--radius-lg); padding: 22px; }
.comments h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.comment-form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.comment-form .row { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 640px) { .comment-form .row { grid-template-columns: 220px 1fr; } }
.comment-item { padding: 14px 0; border-bottom: 1px solid var(--divider); }
.comment-item:last-child { border-bottom: none; }
.comment-item .head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.comment-item .avatar {
  width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; font-size: 0.75rem; font-weight: 700;
}
.comment-item .nick { font-size: 0.85rem; font-weight: 600; }
.comment-item .time { font-size: 0.7rem; color: var(--text-3); margin-left: auto; }
.comment-item .content { font-size: 0.9rem; color: var(--text-2); white-space: pre-wrap; }

/* ---------- 说说时间线 ---------- */
.moment-group { margin-bottom: 40px; }
.moment-group:last-child { margin-bottom: 0; }
.moment-group .g-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.moment-group .g-head .date { font-size: 0.85rem; font-weight: 700; color: var(--text-2); }
.moment-group .g-head .cnt { font-size: 0.72rem; color: var(--text-3); }
.moment-group .g-head .line { flex: 1; height: 1px; background: linear-gradient(to right, var(--divider), transparent); }
.moment-card {
  border-radius: var(--radius-md); padding: 18px; cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.moment-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px) rotate(0deg); }
.moment-card .m-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.moment-card .m-head .avatar { width: 24px; height: 24px; border-radius: 50%; overflow: hidden; }
.moment-card .m-head .avatar img { width: 100%; height: 100%; object-fit: cover; }
.moment-card .m-head .who { font-size: 0.85rem; font-weight: 600; }
.moment-card .m-head .time { font-size: 0.7rem; color: var(--text-3); margin-left: auto; }
.moment-card .mood { padding: 2px 10px; border-radius: 999px; font-size: 0.7rem; background: rgba(148,163,184,0.15); color: var(--text-2); }
.moment-card .m-content { font-size: 0.92rem; color: var(--text-2); white-space: pre-wrap; }
.moment-card .m-images { display: grid; gap: 8px; margin: 12px 0; grid-template-columns: repeat(2, 1fr); }
.moment-card .m-images.cols-3 { grid-template-columns: repeat(3, 1fr); }
.moment-card .m-images img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; cursor: zoom-in; transition: transform 0.3s ease; }
.moment-card .m-images img:hover { transform: scale(1.03); }
.moment-card .m-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--divider); }
.like-btn { display: inline-flex; align-items: center; gap: 5px; font-size: 0.8rem; color: var(--text-3); transition: color 0.2s; }
.like-btn:hover { color: var(--pink); }
.like-btn.liked { color: var(--pink); }
.like-btn.liked svg { fill: var(--pink); }

/* ---------- 照片墙（瀑布流） ---------- */
.masonry { columns: 1; column-gap: 16px; }
@media (min-width: 640px) { .masonry { columns: 2; } }
@media (min-width: 1024px) { .masonry { columns: 3; } }
.photo-card {
  position: relative; display: inline-block; width: 100%; margin-bottom: 16px;
  background: var(--card-bg-strong); padding: 8px; border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12); break-inside: avoid;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.photo-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px) rotate(0deg); }
.photo-card img { width: 100%; border-radius: 3px; cursor: zoom-in; }
.photo-card.landscape img { aspect-ratio: 4/3; object-fit: cover; }
.photo-card.portrait img { aspect-ratio: 4/5; object-fit: cover; }
.photo-card .caption { text-align: center; font-size: 0.75rem; color: var(--text-3); font-family: var(--font-serif); font-style: italic; padding: 8px 0 2px; }
.photo-card .tape {
  position: absolute; top: -6px; left: 12px; width: 44px; height: 14px;
  background: rgba(251, 191, 36, 0.5); border-radius: 3px; transform: rotate(-6deg);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 999; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.85); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 85vh; object-fit: contain; border-radius: 8px; box-shadow: var(--shadow-lg); }
.lightbox .close {
  position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff; display: flex; align-items: center; justify-content: center;
}
.lightbox .close:hover { background: rgba(255,255,255,0.25); }

/* ---------- 音乐页 ---------- */
.music-wrap { border-radius: var(--radius-lg); padding: 22px; }
.aplayer { font-family: var(--font-body) !important; }

/* ---------- 关于页 ---------- */
.about-card { border-radius: var(--radius-lg); overflow: hidden; }
/* 背景图位：把图片放到 public/images/about-bg.jpg 就自动替换掉渐变。
   图片不存在或加载失败时自动回落渐变，不会出现空白块。 */
.about-cover { width: 100%; height: 160px; position: relative; background: url(/images/about-bg.jpg) center/cover no-repeat, linear-gradient(135deg, var(--indigo), var(--primary-2), var(--purple)); overflow: hidden; }
.about-cover .mask { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.4), transparent); }
.about-body { padding: 0 24px 32px; }
.about-avatar {
  width: 96px; height: 96px; border-radius: 50%; border: 4px solid #fff; margin: -48px auto 0; position: relative; z-index: 2;
  box-shadow: var(--shadow-lg); overflow: hidden; background: #fff;
}
[data-theme="dark"] .about-avatar { border-color: #0f172a; }
.about-avatar img { width: 100%; height: 100%; object-fit: cover; }
.about-body h1 { font-size: 1.6rem; font-weight: 900; margin: 12px 0 4px; }
.about-body .tagline { color: var(--indigo); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.85rem; }
.about-divider { border-top: 1px solid var(--divider); margin: 20px 0; padding-top: 20px; }
.qr-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin: 0 auto; max-width: 640px; }
.qr-box { text-align: center; padding: 16px; border-radius: var(--radius-md); background: rgba(255,255,255,0.2); }
[data-theme="dark"] .qr-box { background: rgba(255,255,255,0.06); }
.qr-box .ph {
  width: 172px; height: 172px; margin: 0 auto 10px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: var(--text-3);
  background: repeating-linear-gradient(45deg, rgba(148,163,184,0.15), rgba(148,163,184,0.15) 8px, transparent 8px, transparent 16px);
  border: 1px dashed var(--text-3);
}
.qr-box .name { font-weight: 600; font-size: 0.9rem; }

/* ---------- 后台 ---------- */
.admin-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 900px) { .admin-grid { grid-template-columns: 220px 1fr; } }
.admin-side { padding: 16px; border-radius: var(--radius-md); height: fit-content; }
.admin-side button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 11px 14px; border-radius: 10px;
  font-size: 0.9rem; font-weight: 500; color: var(--text-2); text-align: left; transition: all 0.2s ease;
}
.admin-side button:hover { background: rgba(148,163,184,0.12); }
.admin-side button.active { background: var(--primary-soft); color: var(--primary); }
.admin-panel { padding: 22px; border-radius: var(--radius-lg); min-height: 400px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .form-row.two { grid-template-columns: 1fr 1fr; } .form-row.three { grid-template-columns: 1fr 1fr 1fr; } }
textarea.glass-input { min-height: 120px; resize: vertical; }

.login-card { max-width: 380px; margin: 60px auto; padding: 32px; border-radius: var(--radius-lg); text-align: center; }
.login-card h1 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 20px; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--divider); }
.admin-table th { color: var(--text-3); font-weight: 600; font-size: 0.75rem; }
.admin-table .actions { display: flex; gap: 6px; }
.mini-btn {
  padding: 4px 10px; border-radius: 8px; font-size: 0.75rem; font-weight: 500;
  background: rgba(148,163,184,0.15); color: var(--text-2); transition: all 0.2s;
}
.mini-btn:hover { background: rgba(148,163,184,0.3); color: var(--text-1); }
.mini-btn.danger:hover { background: rgba(239,68,68,0.15); color: #ef4444; }
.mini-btn.ok { background: var(--primary-soft); color: var(--primary); }

.status-pill { padding: 2px 10px; border-radius: 999px; font-size: 0.7rem; }
.status-pill.published, .status-pill.approved { background: rgba(34,197,94,0.15); color: #22c55e; }
.status-pill.draft, .status-pill.pending { background: rgba(245,158,11,0.15); color: #f59e0b; }
.status-pill.hidden { background: rgba(239,68,68,0.15); color: #ef4444; }

/* 拖拽上传区 */
.drop-zone {
  border: 2px dashed var(--text-3); border-radius: var(--radius-md); padding: 28px;
  text-align: center; color: var(--text-3); cursor: pointer; transition: all 0.2s ease;
}
.drop-zone:hover, .drop-zone.drag { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.upload-preview { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.upload-preview img { width: 90px; height: 90px; object-fit: cover; border-radius: 10px; }

/* ---------- 提示 toast ---------- */
.toast-wrap { position: fixed; top: 76px; left: 50%; transform: translateX(-50%); z-index: 999; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  padding: 10px 18px; border-radius: 12px; font-size: 0.85rem; color: #fff;
  background: rgba(15,23,42,0.85); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card); opacity: 0; transform: translateY(-10px); transition: all 0.3s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: rgba(239,68,68,0.9); }
.toast.success { background: rgba(34,197,94,0.9); }

/* ---------- 动画 ---------- */
.fade-in { opacity: 0; transform: translateY(20px); animation: fadeUp 0.5s ease-out forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.d1 { animation-delay: 0.1s; } .d2 { animation-delay: 0.2s; } .d3 { animation-delay: 0.3s; } .d4 { animation-delay: 0.4s; }

/* ---------- 工具类 ---------- */
.hidden { display: none !important; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mb-16 { margin-bottom: 16px; }

/* 响应式：桌面端首页 bento 布局 */
@media (min-width: 900px) {
  .home-grid { grid-template-columns: repeat(12, 1fr); gap: 20px; }
  .home-grid .profile-col { grid-column: span 8; }
  .home-grid .music-col { grid-column: span 4; }
  .home-grid .photo-col { grid-column: span 4; }
  .home-grid .posts-col { grid-column: span 8; }
  .home-grid .moment-col { grid-column: span 12; }
  .profile-top h1 { font-size: 1.8rem; }
  .section-card { padding: 28px; }
  .main { padding-top: 96px; }
}

/* ---------- 图片位（头像 / 二维码） ----------
   图放在 public/images/ 下，文件名见 HTML。
   图片不存在时 img 会被隐藏，露出底下的字母/虚线占位，不会出现破图标。 */
.avatar-inner { position: relative; }
.avatar-inner img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; border-radius: 50%;
  object-fit: cover; display: block;
}
.qr-box .ph img {
  width: 100%; height: 100%;
  object-fit: contain; background: #fff; border-radius: 8px; display: block;
}