/* ============================================
   爱情宣誓表白墙 - 全局样式与主题系统
   主题切换: <html data-theme="love-tree">
   ============================================ */

/* ---------- 主题变量 ---------- */
[data-theme="love-tree"] {
  --bg: linear-gradient(160deg, #0f3d2e 0%, #1b5e3b 45%, #2e7d4f 100%);
  --bg-solid: #14532d;
  --card: rgba(255, 255, 255, 0.92);
  --card-border: rgba(255,255,255,0.35);
  --text: #1a2e22;
  --text2: #5a6f63;
  --primary: #16a34a;
  --primary2: #22c55e;
  --accent: #fbbf24;
  --chip: rgba(255,255,255,0.85);
  --nav: rgba(6, 32, 22, 0.72);
  --nav-text: #e7f6ec;
  --shadow: 0 10px 30px rgba(0,0,0,0.28);
  --theme-name: "🌳 爱情树";
}
[data-theme="starry"] {
  --bg: linear-gradient(160deg, #0b1026 0%, #1b2350 55%, #2a2f6e 100%);
  --bg-solid: #131a3a;
  --card: rgba(255, 255, 255, 0.94);
  --card-border: rgba(255,255,255,0.3);
  --text: #1c2340;
  --text2: #5a6080;
  --primary: #6366f1;
  --primary2: #818cf8;
  --accent: #fbbf24;
  --chip: rgba(255,255,255,0.9);
  --nav: rgba(11, 16, 38, 0.75);
  --nav-text: #e6e9ff;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --theme-name: "✨ 星空";
}
[data-theme="sakura"] {
  --bg: linear-gradient(160deg, #fdf2f8 0%, #fbcfe8 55%, #f9a8d4 100%);
  --bg-solid: #f9a8d4;
  --card: rgba(255, 255, 255, 0.93);
  --card-border: rgba(255,255,255,0.6);
  --text: #4a2736;
  --text2: #8a6072;
  --primary: #ec4899;
  --primary2: #f472b6;
  --accent: #fb7185;
  --chip: rgba(255,255,255,0.92);
  --nav: rgba(190, 60, 120, 0.55);
  --nav-text: #fff5f9;
  --shadow: 0 10px 26px rgba(236,72,153,0.22);
  --theme-name: "🌸 樱花";
}
[data-theme="classic"] {
  --bg: linear-gradient(160deg, #fff1f2 0%, #fecdd3 55%, #fda4af 100%);
  --bg-solid: #fda4af;
  --card: rgba(255, 255, 255, 0.95);
  --card-border: rgba(255,255,255,0.65);
  --text: #58151c;
  --text2: #9f5f66;
  --primary: #e11d48;
  --primary2: #fb7185;
  --accent: #f59e0b;
  --chip: rgba(255,255,255,0.94);
  --nav: rgba(150, 20, 45, 0.55);
  --nav-text: #fff1f2;
  --shadow: 0 10px 26px rgba(225,29,72,0.2);
  --theme-name: "❤ 经典红粉";
}
[data-theme="ocean"] {
  --bg: linear-gradient(160deg, #e0f2fe 0%, #bae6fd 55%, #7dd3fc 100%);
  --bg-solid: #7dd3fc;
  --card: rgba(255, 255, 255, 0.93);
  --card-border: rgba(255,255,255,0.7);
  --text: #0c4a6e;
  --text2: #5b7e97;
  --primary: #0284c7;
  --primary2: #38bdf8;
  --accent: #f59e0b;
  --chip: rgba(255,255,255,0.92);
  --nav: rgba(3, 105, 161, 0.55);
  --nav-text: #eff9ff;
  --shadow: 0 10px 26px rgba(2,132,199,0.2);
  --theme-name: "🌊 海洋";
}
[data-theme="twilight"] {
  --bg: linear-gradient(160deg, #2e1065 0%, #6d28d9 55%, #db2777 100%);
  --bg-solid: #6d28d9;
  --card: rgba(255, 255, 255, 0.93);
  --card-border: rgba(255,255,255,0.35);
  --text: #2e1065;
  --text2: #6d5a90;
  --primary: #9333ea;
  --primary2: #c084fc;
  --accent: #f472b6;
  --chip: rgba(255,255,255,0.92);
  --nav: rgba(46, 16, 101, 0.6);
  --nav-text: #f5f3ff;
  --shadow: 0 10px 30px rgba(46,16,101,0.35);
  --theme-name: "🌆 暮光";
}

/* ---- VIP 专属主题 ---- */
[data-theme="rose-gold"] {
  --bg: linear-gradient(160deg, #fdf0f1 0%, #f5d5d3 50%, #e3b4b0 100%);
  --bg-solid: #e3b4b0;
  --card: rgba(255, 255, 255, 0.92);
  --card-border: rgba(200, 130, 130, 0.4);
  --text: #4d2a2e;
  --text2: #946a6d;
  --primary: #b76e79;
  --primary2: #e0a3a8;
  --accent: #c96f7e;
  --chip: rgba(255,255,255,0.92);
  --nav: rgba(150, 82, 88, 0.6);
  --nav-text: #fff4f5;
  --shadow: 0 10px 26px rgba(183,110,121,0.28);
  --theme-name: "💎 玫瑰金";
}
[data-theme="dark-neon"] {
  --bg: linear-gradient(160deg, #0b0216 0%, #1c0b33 55%, #31205a 100%);
  --bg-solid: #1c0b33;
  --card: rgba(20, 12, 40, 0.85);
  --card-border: rgba(168,85,247,0.5);
  --text: #f3eaff;
  --text2: #b7a5d6;
  --primary: #a855f7;
  --primary2: #22d3ee;
  --accent: #f0abfc;
  --chip: rgba(40, 22, 66, 0.7);
  --nav: rgba(12, 4, 26, 0.8);
  --nav-text: #efe6ff;
  --shadow: 0 0 30px rgba(168,85,247,0.35);
  --theme-name: "🌌 暗夜霓虹";
}
[data-theme="fresh-mint"] {
  --bg: linear-gradient(160deg, #e7f8f2 0%, #c3eee0 55%, #8fdcc4 100%);
  --bg-solid: #8fdcc4;
  --card: rgba(255, 255, 255, 0.93);
  --card-border: rgba(45, 160, 130, 0.35);
  --text: #1d3d35;
  --text2: #5c8378;
  --primary: #0d9488;
  --primary2: #2dd4bf;
  --accent: #f59e0b;
  --chip: rgba(255,255,255,0.92);
  --nav: rgba(13, 110, 100, 0.55);
  --nav-text: #eafff9;
  --shadow: 0 10px 26px rgba(13,148,136,0.22);
  --theme-name: "🍃 薄荷之恋";
}
[data-theme="golden-sunset"] {
  --bg: linear-gradient(160deg, #431407 0%, #b45309 55%, #f59e0b 100%);
  --bg-solid: #b45309;
  --card: rgba(255, 245, 230, 0.92);
  --card-border: rgba(255, 200, 120, 0.5);
  --text: #4b2a10;
  --text2: #8c6239;
  --primary: #d97706;
  --primary2: #fbbf24;
  --accent: #f59e0b;
  --chip: rgba(255,250,240,0.94);
  --nav: rgba(110, 52, 4, 0.68);
  --nav-text: #fff7e6;
  --shadow: 0 10px 26px rgba(217,119,6,0.3);
  --theme-name: "🌇 金色黄昏";
}
/* 定制主题兜底变量（实际值由 JS 按用户配置写入内联） */
[data-theme="custom"] {
  --bg: linear-gradient(160deg, #2a0a1f 0%, #4a1233 100%);
  --bg-solid: #4a1233;
  --card: rgba(255, 255, 255, 0.9);
  --card-border: rgba(255,255,255,0.45);
  --text: #2b2430;
  --text2: #7a7080;
  --primary: #f43f5e;
  --primary2: #fb7185;
  --accent: #f43f5e;
  --chip: rgba(255,255,255,0.88);
  --nav: rgba(30, 10, 26, 0.8);
  --nav-text: #ffffff;
  --shadow: 0 10px 30px rgba(0,0,0,0.26);
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  transition: background 0.6s ease;
}
::selection { background: var(--primary); color: #fff; }
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 14px; }

/* 主题装饰层（背景特效） */
.effects { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

/* 爱情树主题：树影 */
[data-theme="love-tree"] .fx-tree {
  position: absolute; bottom: -40px; opacity: 0.10; filter: blur(1px);
}
[data-theme="love-tree"] .fx-tree.t1 { left: -80px; width: 420px; }
[data-theme="love-tree"] .fx-tree.t2 { right: -60px; width: 520px; opacity: 0.08; }

/* 星空主题：星星 */
[data-theme="starry"] .fx-star {
  position: absolute; background: #fff; border-radius: 50%;
  animation: twinkle 2.4s ease-in-out infinite;
}
@keyframes twinkle { 0%,100%{opacity:.25;transform:scale(.8)} 50%{opacity:1;transform:scale(1.25)} }

/* 樱花主题：飘落花瓣 */
[data-theme="sakura"] .fx-petal {
  position: absolute; top: -20px; border-radius: 100% 0 100% 0;
  background: linear-gradient(135deg, #fbcfe8, #f9a8d4);
  animation: fall linear infinite;
}
@keyframes fall {
  0% { transform: translateY(-5vh) rotate(0deg); opacity: .9; }
  100% { transform: translateY(105vh) rotate(520deg); opacity: .2; }
}

/* 经典红粉主题：爱心上浮 */
[data-theme="classic"] .fx-heart {
  position: absolute; bottom: -30px; animation: rise linear infinite;
  color: rgba(225,29,72,.35); user-select: none;
}
@keyframes rise {
  0% { transform: translateY(0) scale(.8); opacity: 0; }
  15% { opacity: .7; }
  100% { transform: translateY(-108vh) scale(1.15); opacity: 0; }
}

/* 海洋主题：气泡 */
[data-theme="ocean"] .fx-bubble {
  position: absolute; bottom: -40px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.55);
  animation: bubbleUp linear infinite;
}
@keyframes bubbleUp {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: .7; }
  100% { transform: translateY(-110vh); opacity: 0; }
}

/* 暮光主题：光晕 */
[data-theme="twilight"] .fx-glow {
  position: absolute; border-radius: 50%; filter: blur(60px);
  animation: glowPulse 5s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100%{opacity:.35} 50%{opacity:.7} }

/* VIP 主题特效 */
[data-theme="rose-gold"] .fx-goldpetal {
  position: absolute; top: -20px; border-radius: 100% 0 100% 0;
  background: linear-gradient(135deg, #f6c6c6, #d9a7a7);
  animation: fall linear infinite;
}
[data-theme="dark-neon"] .fx-neon {
  position: absolute; border-radius: 50%;
  animation: twinkle 2.4s ease-in-out infinite;
}
[data-theme="fresh-mint"] .fx-mint {
  position: absolute; bottom: -40px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.65); background: rgba(255,255,255,.14);
  animation: bubbleUp linear infinite;
}
[data-theme="golden-sunset"] .fx-gold {
  position: absolute; background: #fde68a; border-radius: 50%;
  animation: twinkle 2.4s ease-in-out infinite;
}

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  padding: 12px 22px;
  background: var(--nav);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--nav-text);
  box-shadow: 0 2px 18px rgba(0,0,0,.14);
}
.nav .logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.nav .logo .heart { color: var(--accent); animation: beat 1.2s ease-in-out infinite; display: inline-block; }
@keyframes beat { 0%,100%{transform:scale(1)} 25%{transform:scale(1.25)} 40%{transform:scale(1)} 55%{transform:scale(1.18)} }
.nav .links { display: flex; gap: 6px; margin-left: 8px; }
.nav .links a {
  color: var(--nav-text); opacity: .85; padding: 7px 14px; border-radius: 999px;
  font-size: 14px; transition: all .2s;
}
.nav .links a:hover, .nav .links a.active { opacity: 1; background: rgba(255,255,255,.16); }
.nav .spacer { flex: 1; }
.theme-picker { position: relative; }
.theme-btn {
  background: rgba(255,255,255,.14); color: var(--nav-text); border: none;
  padding: 8px 14px; border-radius: 999px; font-size: 13px;
}
.theme-menu {
  position: absolute; right: 0; top: 44px; width: 196px;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  padding: 8px; display: none; z-index: 60; max-height: 420px; overflow-y: auto;
}
.theme-menu.open { display: block; }
.theme-menu .item {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 10px;
  font-size: 14px; color: var(--text); cursor: pointer;
}
.theme-menu .item:hover { background: #f3f4f6; }
.theme-menu .item.active { background: #eef2ff; color: var(--primary); font-weight: 600; }
.theme-menu .item.locked { color: #9ca3af; }
.theme-menu .dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px #ddd; flex-shrink: 0; }
.theme-menu .vip-badge {
  margin-left: auto; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 999px;
  background: linear-gradient(135deg, #f59e0b, #f43f5e); color: #fff; flex-shrink: 0;
}
.theme-menu .vip-badge.lock { background: #e5e7eb; color: #9ca3af; }

.nav .user-area { display: flex; align-items: center; gap: 10px; }
.nav .avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(255,255,255,.5); background:#fff; }
.nav .nick { font-size: 14px; max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 5px; }
.vip-tag {
  display: inline-block; font-size: 10px; font-weight: 800; letter-spacing: .5px;
  padding: 2px 7px; border-radius: 999px; flex-shrink: 0;
  background: linear-gradient(135deg, #f59e0b, #f43f5e); color: #fff;
  box-shadow: 0 2px 8px rgba(244,63,94,.4); vertical-align: middle;
}
.vip-tag.lg { font-size: 13px; padding: 4px 12px; margin-left: 8px; }
.btn-login, .btn-user {
  border: none; border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 600;
}
.btn-login { background: rgba(255,255,255,.18); color: var(--nav-text); }
.btn-user { background: var(--accent); color: #fff; }

/* ---------- 主容器 ---------- */
.wrap { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 26px 18px 60px; }

/* 公告横幅 */
.banner {
  position: relative; border-radius: 20px; padding: 34px 30px; margin-bottom: 26px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25);
  color: #fff; backdrop-filter: blur(8px);
  overflow: hidden; text-align: center;
}
.banner h1 { font-size: 30px; letter-spacing: 2px; margin-bottom: 8px; text-shadow: 0 2px 12px rgba(0,0,0,.25); }
.banner p { font-size: 15px; opacity: .92; }
.banner .btn-primary { margin-top: 16px; }

.btn-primary {
  display: inline-block; border: none; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; font-size: 15px; font-weight: 700; padding: 11px 26px;
  box-shadow: 0 6px 18px rgba(0,0,0,.18); transition: transform .15s, box-shadow .2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.25); }
.btn-ghost {
  border: 1px solid rgba(255,255,255,.5); background: transparent; color: #fff;
  border-radius: 999px; padding: 10px 20px; font-size: 14px; font-weight: 600;
}

/* 筛选栏 */
.filter-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.filter-bar .chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--card-border); background: var(--chip); color: var(--text2);
  padding: 7px 16px; border-radius: 999px; font-size: 13px; transition: all .2s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.search-box { margin-left: auto; display: flex; gap: 8px; }
.search-box input {
  border: 1px solid var(--card-border); border-radius: 999px; padding: 8px 16px;
  background: var(--chip); color: var(--text); outline: none; width: 190px;
}
.search-box button {
  border: none; background: var(--primary); color: #fff; border-radius: 999px; padding: 0 18px; font-size: 14px;
}

/* 表白卡片瀑布流 */
.wall { columns: 4 300px; column-gap: 18px; }
.card {
  break-inside: avoid; margin-bottom: 18px; border-radius: 18px;
  background: var(--card); border: 1px solid var(--card-border);
  box-shadow: var(--shadow); padding: 20px; transition: transform .2s, box-shadow .2s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0,0,0,.2); }
.card .cat {
  display: inline-block; font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary); font-weight: 600; margin-bottom: 10px;
}
.card .to { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.card .to .arrow { color: var(--primary2); margin: 0 4px; }
.card .content { font-size: 15px; line-height: 1.75; color: var(--text); word-break: break-word; }
.card .meta { display: flex; align-items: center; gap: 10px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed rgba(0,0,0,.08); font-size: 12px; color: var(--text2); }
.card .meta .author { display: flex; align-items: center; gap: 6px; min-width: 0; }
.card .meta img { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }
.card .meta .name { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .meta .time { margin-left: auto; }
.card .actions { display: flex; gap: 6px; margin-top: 10px; }
.card .actions button {
  border: 1px solid var(--card-border); background: transparent; border-radius: 999px;
  padding: 5px 14px; font-size: 12.5px; color: var(--text2); transition: all .2s;
}
.card .actions button:hover { border-color: var(--primary); color: var(--primary); }
.card .actions button.liked { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 空状态 */
.empty { text-align: center; padding: 60px 20px; color: var(--text2); font-size: 15px; }
.empty .big { font-size: 52px; margin-bottom: 12px; }

/* 加载更多 */
.load-more { text-align: center; margin: 20px 0; }
.load-more button {
  border: 1px solid var(--card-border); background: var(--chip); color: var(--text);
  border-radius: 999px; padding: 10px 30px; font-size: 14px;
}

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  z-index: 100; display: none; align-items: center; justify-content: center; padding: 18px;
}
.modal-mask.open { display: flex; }
.modal {
  width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto;
  background: #fff; border-radius: 20px; padding: 26px; box-shadow: 0 24px 60px rgba(0,0,0,.3);
  animation: pop .25s ease;
}
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h3 { font-size: 20px; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.modal .close {
  float: right; border: none; background: #f3f4f6; color: #666; width: 30px; height: 30px;
  border-radius: 50%; font-size: 16px; margin-top: -4px;
}
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #555; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; border: 1px solid #e5e7eb; border-radius: 12px; padding: 10px 14px;
  outline: none; transition: border .2s; background: #fafafa;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); background: #fff; }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.form-tip { font-size: 12px; color: #9ca3af; margin-top: 4px; }
.switch-line { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #444; cursor: pointer; }
.switch-line input { width: auto; }

.color-pick { display: flex; gap: 8px; flex-wrap: wrap; }
.color-pick .c {
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  border: 3px solid transparent; transition: all .15s;
}
.color-pick .c.active { border-color: #333; transform: scale(1.15); }

/* ---------- 评论区 ---------- */
.comments { margin-top: 14px; border-top: 1px dashed rgba(0,0,0,.1); padding-top: 12px; }
.comments .cmt { display: flex; gap: 8px; margin-bottom: 10px; font-size: 13px; }
.comments .cmt img { width: 24px; height: 24px; border-radius: 50%; }
.comments .cmt .nick { color: var(--primary); font-weight: 600; margin-right: 6px; }
.comments .cmt .txt { color: var(--text); word-break: break-word; }
.comments .cmt-form { display: flex; gap: 8px; }
.comments .cmt-form input {
  flex: 1; border: 1px solid #e5e7eb; border-radius: 999px; padding: 7px 14px; font-size: 13px; outline: none;
}
.comments .cmt-form button {
  border: none; background: var(--primary); color: #fff; border-radius: 999px; padding: 0 16px; font-size: 13px;
}

/* ---------- 爱情树林 ---------- */
.tree-header { text-align: center; margin: 26px 0 30px; color: #fff; }
.tree-header h1 { font-size: 28px; letter-spacing: 2px; text-shadow: 0 2px 12px rgba(0,0,0,.3); }
.tree-header p { opacity: .9; margin-top: 8px; font-size: 14px; }
.tree-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.tree-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 18px;
  padding: 18px; text-align: center; box-shadow: var(--shadow); transition: transform .2s;
  cursor: pointer; position: relative;
}
.tree-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(0,0,0,.16); }
.tree-card canvas { width: 100%; height: 170px; display: block; }
.tree-card .names { font-size: 16px; font-weight: 800; margin: 6px 0 4px; }
.tree-card .names .and { color: var(--primary2); margin: 0 6px; }
.tree-card .lv { font-size: 12px; color: var(--primary); font-weight: 700; }
.tree-card .love-time {
  display: inline-block; margin-top: 6px; font-size: 12px; font-weight: 700;
  color: var(--primary2); background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px dashed color-mix(in srgb, var(--primary2) 55%, transparent);
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}
.tree-card .love-time .lt { font-variant-numeric: tabular-nums; }
.tree-card .msg {
  font-size: 13px; color: var(--text2); margin-top: 8px; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tree-card .owner { font-size: 12px; color: var(--text2); margin-top: 8px; }
.tree-card .owner img { width: 20px; height: 20px; border-radius: 50%; vertical-align: middle; margin-right: 4px; }
.tree-card .btn-water {
  margin-top: 10px; border: none; background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; border-radius: 999px; padding: 7px 18px; font-size: 13px; font-weight: 600;
}
.tree-card .btn-water:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- 用户主页 ---------- */
.profile-head { text-align: center; color: #fff; margin-bottom: 30px; }
.profile-head .avatar-lg { width: 84px; height: 84px; border-radius: 50%; border: 3px solid #fff; object-fit: cover; box-shadow: var(--shadow); }
.profile-head h2 { margin-top: 12px; font-size: 24px; text-shadow: 0 2px 10px rgba(0,0,0,.3); }
.profile-head p { opacity: .85; font-size: 13px; margin-top: 6px; }
.profile-head .btn-ghost { margin-top: 12px; }

/* ---------- 页脚 ---------- */
.footer { text-align: center; padding: 22px; font-size: 13px; color: rgba(255,255,255,.75); position: relative; z-index: 1; }

/* ---------- 定制主题面板 ---------- */
.ct-tip { font-size: 12px; color: #8b5cf6; margin: 4px 0 14px; }
.ct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ct-grid .form-group input[type="color"] { height: 44px; padding: 3px; cursor: pointer; }

/* ---------- 浪漫网页库 ---------- */
.pages-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.page-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 18px;
  padding: 14px; text-align: center; box-shadow: var(--shadow); cursor: pointer;
  transition: transform .2s; position: relative;
}
.page-card:hover { transform: translateY(-4px); }
.page-card.locked { opacity: .72; }
.page-preview {
  height: 120px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 44px; position: relative; overflow: hidden;
}
.page-preview .pi { filter: drop-shadow(0 4px 10px rgba(0,0,0,.25)); }
.page-preview .plock {
  position: absolute; top: 8px; right: 10px; font-size: 18px;
  background: rgba(0,0,0,.35); width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.page-name { font-size: 15px; font-weight: 800; margin: 10px 0 4px; }
.page-desc { font-size: 12px; color: var(--text2); margin-bottom: 10px; line-height: 1.5; }
.pg-link {
  font-family: monospace; font-size: 12px; word-break: break-all; background: #f1f5f9;
  border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; color: #0f172a;
}
.btn-ghost.dark { border-color: #94a3b8; color: #334155; }

/* ---------- VIP 面板（我的主页） ---------- */
.vip-panel { margin-bottom: 26px; }
.vip-panel-inner {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 18px;
  padding: 16px 18px; box-shadow: var(--shadow); display: flex; align-items: center;
  gap: 14px; flex-wrap: wrap; justify-content: space-between;
}
.vip-panel-inner.on { border-color: #fcd34d; background: linear-gradient(135deg, rgba(255,247,205,.92), rgba(255,255,255,.94)); }
.vip-panel-inner .vip-state { font-size: 14px; font-weight: 700; color: var(--text); }
.vip-panel-inner.on .vip-state { color: #92400e; }
.vip-redeem { display: flex; gap: 10px; flex: 1; min-width: 260px; }
.vip-redeem input {
  flex: 1; border: 1px solid #e2e8f0; border-radius: 999px; padding: 9px 16px;
  font-size: 13px; outline: none; background: #fff;
}
.vip-redeem input:focus { border-color: var(--primary); }

/* ---------- 树详情页 ---------- */
.tree-detail { max-width: 900px; margin: 0 auto; }
.td-back { margin-bottom: 14px; }
.td-back a { color: var(--primary2); font-size: 14px; text-decoration: none; font-weight: 600; }
.td-head {
  display: flex; gap: 26px; align-items: center; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 20px;
  padding: 22px; box-shadow: var(--shadow);
}
.td-tree { flex: 0 0 min(320px, 92vw); }
.td-tree canvas { width: 100%; height: 240px; display: block; }
.td-info { flex: 1; min-width: 240px; }
.td-info h1 { font-size: 26px; letter-spacing: 2px; }
.td-info h1 .and { color: var(--primary2); margin: 0 8px; }
.lv-bar {
  position: relative; height: 18px; background: rgba(148,163,184,.25); border-radius: 999px;
  margin: 14px 0 12px; overflow: hidden;
}
.lv-bar-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, #10b981, #34d399, #a7f3d0);
  transition: width .6s;
}
.lv-bar span { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.4); }
.td-info .love-time { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.td-owner { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--text2); }
.td-owner-item { display: flex; align-items: center; gap: 6px; }
.td-owner-item img { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }
.td-msg {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 18px;
  padding: 16px 20px; margin: 18px 0; box-shadow: var(--shadow);
}
.td-msg b { color: var(--primary); font-size: 14px; }
.td-msg p { margin-top: 8px; font-size: 15px; line-height: 1.8; color: var(--text); }
.td-water { width: 100%; margin: 4px 0 6px; }
.td-tl-title { margin: 26px 0 16px; font-size: 17px; }
.timeline { position: relative; padding-left: 6px; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--primary2), transparent);
}
.tl-item { display: flex; gap: 16px; margin-bottom: 18px; position: relative; }
.tl-dot {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: var(--card); border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  box-shadow: var(--shadow); z-index: 1;
}
.tl-body {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 14px;
  padding: 10px 16px; flex: 1; box-shadow: var(--shadow);
}
.tl-content { font-size: 14px; color: var(--text); }
.tl-time { font-size: 12px; color: var(--text2); margin-top: 4px; }
.partner-ck { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; cursor: pointer; }
.partner-ck input { width: 17px; height: 17px; accent-color: var(--primary); }

/* ---------- 提示 ---------- */
.toast {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-20px);
  background: rgba(0,0,0,.82); color: #fff; padding: 12px 26px; border-radius: 999px;
  font-size: 14px; z-index: 200; opacity: 0; transition: all .3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: rgba(185,28,28,.92); }

/* ---------- 管理后台 ---------- */
.admin-body { background: #f1f5f9; }
.admin-body [data-page] { color: #0f172a; }
.admin-nav {
  display: flex; align-items: center; gap: 14px; padding: 12px 24px;
  background: #0f172a; color: #fff; position: sticky; top: 0; z-index: 50;
}
.admin-nav .logo { font-weight: 800; font-size: 18px; }
.admin-nav .links { display: flex; gap: 4px; margin-left: 16px; }
.admin-nav .links button {
  border: none; background: transparent; color: #cbd5e1; padding: 8px 16px;
  border-radius: 10px; font-size: 14px;
}
.admin-nav .links button:hover { background: rgba(255,255,255,.1); color: #fff; }
.admin-nav .links button.active { background: #2563eb; color: #fff; }
.admin-nav .spacer { flex: 1; }
.admin-nav .who { font-size: 13px; color: #94a3b8; }
.admin-main { max-width: 1200px; margin: 26px auto; padding: 0 18px 60px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat { background: #fff; border-radius: 16px; padding: 18px; box-shadow: 0 2px 10px rgba(0,0,0,.05); }
.stat .num { font-size: 28px; font-weight: 800; color: #2563eb; }
.stat .lbl { font-size: 13px; color: #64748b; margin-top: 4px; }
.panel { background: #fff; border-radius: 16px; padding: 20px; box-shadow: 0 2px 10px rgba(0,0,0,.05); margin-bottom: 22px; }
.panel h3 { font-size: 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.panel .toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.panel .toolbar select, .panel .toolbar input {
  border: 1px solid #e2e8f0; border-radius: 10px; padding: 8px 12px; font-size: 13px; outline: none; background: #fff;
}
.panel .toolbar .spacer { flex: 1; }
table.adm { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.adm th, table.adm td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
table.adm th { color: #64748b; font-weight: 600; font-size: 12.5px; background: #f8fafc; }
table.adm td .content-cell { max-width: 320px; max-height: 60px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.badge { display: inline-block; font-size: 11.5px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.badge.approved { background: #dcfce7; color: #16a34a; }
.badge.pending { background: #fef9c3; color: #ca8a04; }
.badge.rejected { background: #fee2e2; color: #dc2626; }
.badge.deleted { background: #e2e8f0; color: #64748b; }
.badge.active { background: #dcfce7; color: #16a34a; }
.badge.disabled { background: #fee2e2; color: #dc2626; }
.badge.admin { background: #dbeafe; color: #2563eb; }
.badge.user { background: #f1f5f9; color: #475569; }
.badge.vip { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; border: 1px solid #fcd34d; }
.badge.boss { background: linear-gradient(135deg, #1e293b, #334155); color: #f8fafc; border: 1px solid #475569; }
.badge.used { background: #f1f5f9; color: #64748b; }
.btn-sm {
  border: none; border-radius: 8px; padding: 5px 12px; font-size: 12.5px; font-weight: 600;
  margin: 2px; background: #f1f5f9; color: #334155;
}
.btn-sm:hover { filter: brightness(.96); }
.btn-sm.ok { background: #16a34a; color: #fff; }
.btn-sm.warn { background: #f59e0b; color: #fff; }
.btn-sm.danger { background: #dc2626; color: #fff; }
.btn-sm.info { background: #2563eb; color: #fff; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: center; margin-top: 16px; font-size: 13px; color: #64748b; }
.pager button { border: 1px solid #e2e8f0; border-radius: 8px; padding: 6px 16px; background: #fff; font-size: 13px; }
.pager button:disabled { opacity: .4; }

/* 管理登录页 */
.admin-login { max-width: 380px; margin: 12vh auto; background: #fff; border-radius: 20px; padding: 34px; box-shadow: 0 20px 50px rgba(0,0,0,.12); }
.admin-login h1 { font-size: 22px; text-align: center; margin-bottom: 22px; color: #0f172a; }
.admin-login .form-group label { color: #475569; }
.admin-login .btn-primary { width: 100%; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .nav { flex-wrap: wrap; gap: 10px; padding: 10px 14px; }
  .nav .links { order: 3; width: 100%; justify-content: center; }
  .banner h1 { font-size: 22px; }
  .search-box { width: 100%; margin-left: 0; }
  .search-box input { flex: 1; width: auto; }
}
