/* ============ 主题 ============ */

/* 1. 暗夜黑（默认） */
:root,
[data-theme="dark"] {
  --bg: #14161a;
  --bg2: #1c1f25;
  --card: #1f232b;
  --line: #2c313b;
  --fg: #e6e8ec;
  --fg2: #9aa1ad;
  --accent: #ff5c8a;
  --accent2: #4ecdc4;
  --thumb-bg: #000;
  --shadow: rgba(0, 0, 0, .35);

  /* 可配置：圆角与字号（由后台覆盖） */
  --radius: 8px;
  --radius-xs: calc(var(--radius) * 0.5);
  --radius-sm: calc(var(--radius) * 0.75);
  --radius-lg: calc(var(--radius) * 1.25);
  --radius-xl: calc(var(--radius) * 2);
  --fs: 14px;
}

/* 2. 纯净白 */
[data-theme="light"] {
  --bg: #f4f5f7;
  --bg2: #ffffff;
  --card: #ffffff;
  --line: #e2e5ea;
  --fg: #1b1e24;
  --fg2: #6b7280;
  --accent: #e63e6d;
  --accent2: #14a89e;
  --thumb-bg: #e9ebef;
  --shadow: rgba(20, 30, 60, .10);
}

/* 3. 深海蓝 */
[data-theme="ocean"] {
  --bg: #0a1524;
  --bg2: #0f1d30;
  --card: #14273d;
  --line: #1e3550;
  --fg: #d8e6f6;
  --fg2: #7f9ab8;
  --accent: #38bdf8;
  --accent2: #22d3ee;
  --thumb-bg: #050d18;
  --shadow: rgba(0, 20, 50, .45);
}

/* 4. 紫夜霓虹 */
[data-theme="neon"] {
  --bg: #120a1c;
  --bg2: #1a0f28;
  --card: #221434;
  --line: #35204d;
  --fg: #ece2f9;
  --fg2: #a68cc4;
  --accent: #c084fc;
  --accent2: #f472b6;
  --thumb-bg: #0a0512;
  --shadow: rgba(90, 30, 140, .35);
}

/* 5. 森林墨绿 */
[data-theme="forest"] {
  --bg: #0b1410;
  --bg2: #10201a;
  --card: #162b23;
  --line: #224434;
  --fg: #d9ede3;
  --fg2: #88ab9b;
  --accent: #34d399;
  --accent2: #a3e635;
  --thumb-bg: #050c09;
  --shadow: rgba(0, 30, 20, .40);
}

/* 6. 暖褐复古 */
[data-theme="sepia"] {
  --bg: #f5efe3;
  --bg2: #fbf6ec;
  --card: #fffdf7;
  --line: #e0d3bb;
  --fg: #3b2f22;
  --fg2: #8a7a66;
  --accent: #b45309;
  --accent2: #0f766e;
  --thumb-bg: #e9dfcc;
  --shadow: rgba(90, 60, 20, .12);
}

/* 7. 赛博黑红 */
[data-theme="cyber"] {
  --bg: #07070a;
  --bg2: #0e0e14;
  --card: #15151d;
  --line: #26262f;
  --fg: #f2f2f7;
  --fg2: #9a9aab;
  --accent: #ff2d55;
  --accent2: #00e5ff;
  --thumb-bg: #000;
  --shadow: rgba(255, 45, 85, .16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  transition: background .2s, color .2s;
}

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

/* ---------- header ---------- */
header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo {
  font-size: calc(var(--fs) + 4px);
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--accent);
  white-space: nowrap;
}

.search {
  flex: 1;
  display: flex;
  gap: 8px;
  max-width: 480px;
}

.search input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  outline: none;
  font: inherit;
}

.search input:focus { border-color: var(--accent); }

.search button,
.btn-primary {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.search button:hover,
.btn-primary:hover { filter: brightness(1.08); }

.tools { display: flex; gap: 6px; align-items: center; }

.tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg2);
  cursor: pointer;
  font-size: calc(var(--fs) - 1px);
  font-family: inherit;
}
.tool:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- grid ---------- */
main {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.grid.small { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1100px) { .grid, .grid.small { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px)  { .grid, .grid.small { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .grid, .grid.small { grid-template-columns: 1fr; } }

.card {
  position: relative;
  display: block;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 1px 3px var(--shadow);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--shadow);
}

.thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--thumb-bg);
  overflow: hidden;
}

.thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 预览视频固定按窗口高度适配，不受缩略图设置影响 */
.thumb video {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: auto;
  max-width: none;
  object-fit: contain;
  display: block;
  background: #000;
  opacity: 0;
  transition: opacity .35s ease;
  z-index: 2;
}

.thumb video.on { opacity: 1; }

/* 缩略图适配模式（仅作用于图片） */
[data-fit="height"] .thumb img {
  inset: auto;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: auto;
  max-width: none;
  object-fit: contain;
}

/* 预览播放时，视频两侧留白填黑 */
.thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0;
  transition: opacity .35s ease;
  z-index: 1;
  pointer-events: none;
}

.thumb.playing::after,
.thumb:has(video.on)::after { opacity: 1; }

.badge {
  position: absolute;
  right: 6px;
  bottom: 6px;
  z-index: 3;
  font-size: calc(var(--fs) - 4px);
  letter-spacing: .5px;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background: rgba(0,0,0,.62);
  color: #fff;
}

.meta { padding: 9px 10px 11px; }

.meta .t {
  font-size: calc(var(--fs) - 1px);
  line-height: 1.4;
  height: 2.8em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.meta .sub {
  margin-top: 5px;
  font-size: calc(var(--fs) - 2px);
  color: var(--fg2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- pager ---------- */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin: 28px 0 10px;
  color: var(--fg2);
}

.pager a {
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--fg);
  background: var(--card);
}
.pager a:hover { border-color: var(--accent); color: var(--accent); }

.empty { text-align: center; color: var(--fg2); padding: 60px 0; }

/* ---------- detail ---------- */
.detail { max-width: 900px; }

.back {
  display: inline-block;
  color: var(--fg2);
  margin-bottom: 14px;
  font-size: calc(var(--fs) - 1px);
}
.back:hover { color: var(--accent); }

.detail h1 {
  font-size: calc(var(--fs) + 6px);
  line-height: 1.45;
  margin: 0 0 10px;
}

.dmeta {
  display: flex;
  gap: 16px;
  color: var(--fg2);
  font-size: calc(var(--fs) - 1px);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.ninegrid {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--thumb-bg);
}
.ninegrid img { width: 100%; display: block; }

.actions { margin: 18px 0; }

.btn-dl {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: calc(var(--fs) + 1px);
}
.btn-dl:hover { filter: brightness(1.08); }

.desc {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--fg2);
  line-height: 1.75;
}
.desc p { margin: 4px 0; }

.rel-h {
  font-size: calc(var(--fs) + 1px);
  margin: 32px 0 14px;
  color: var(--fg2);
  font-weight: 600;
}

/* ---------- admin ---------- */
.admin { max-width: 760px; }

.admin-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.admin-title {
  margin-right: auto;
  font-size: calc(var(--fs) + 2px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: .5px;
}

.stats {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 130px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat b { font-size: calc(var(--fs) + 4px); color: var(--accent2); }
.stat b.sm { font-size: calc(var(--fs) - 2px); }
.stat span { font-size: calc(var(--fs) - 2px); color: var(--fg2); }

.panel {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 18px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: calc(var(--fs) + 1px);
  color: var(--fg);
}

.panel label {
  display: block;
  margin-bottom: 14px;
  font-size: calc(var(--fs) - 1px);
  color: var(--fg2);
}

.panel input,
.panel textarea,
.panel select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  outline: none;
  resize: vertical;
}

.panel input:focus,
.panel textarea:focus,
.panel select:focus { border-color: var(--accent); }

.row2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 700px) { .row2 { grid-template-columns: 1fr; } }

.hint { color: var(--fg2); font-size: 12.5px; margin: 0 0 14px; }

.flash {
  background: rgba(78, 205, 196, .12);
  border: 1px solid var(--accent2);
  color: var(--accent2);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: calc(var(--fs) - 1px);
}

/* ---------- login ---------- */
.login-box { max-width: 360px; margin: 70px auto; }

/* ---------- footer ---------- */
.site-footer {
  margin-top: 44px;
  padding: 28px 20px 34px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.f-logo {
  font-size: calc(var(--fs) + 3px);
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--accent);
}

.f-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 9px;
  font-size: calc(var(--fs) - 1px);
}

.f-links a { color: var(--fg2); }
.f-links a:hover { color: var(--accent); }
.f-dot { color: var(--fg2); opacity: .45; }

.f-copy {
  font-size: calc(var(--fs) - 2px);
  color: var(--fg2);
  opacity: .75;
}

/* ---------- admin footer button rows ---------- */
.btnrow {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 10px;
  margin-bottom: 10px;
}

.btnrow input { margin-top: 0; }

@media (max-width: 600px) {
  .btnrow { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- marquee ---------- */
.marquee {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
}

.marquee-label {
  flex-shrink: 0;
  font-size: .82em;
  font-weight: 700;
  padding: 1px 9px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .18);
  border: 1px solid rgba(255, 255, 255, .18);
}

.marquee-viewport { flex: 1; overflow: hidden; }

.marquee-track {
  display: inline-flex;
  align-items: center;
  will-change: transform;
}

.marquee-item { padding: 0 42px; }

.marquee-ltr { animation: mq-ltr var(--dur, 84s) linear infinite; }
.marquee-rtl { animation: mq-rtl var(--dur, 84s) linear infinite; }

@keyframes mq-ltr {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}
@keyframes mq-rtl {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-pause:hover .marquee-track { animation-play-state: paused; }

.marquee-gold { background: rgba(170, 120, 15, .16); border-color: rgba(205, 155, 45, .38); color: #d9a441; }
.marquee-rose { background: rgba(190, 35, 75, .16); border-color: rgba(225, 65, 115, .38); color: #ef6a92; }
.marquee-neon { background: rgba(65, 65, 210, .16); border-color: rgba(115, 115, 245, .38); color: #8b8bf0; }
.marquee-dark { background: rgba(30, 35, 45, .55); border-color: var(--line); color: var(--fg2); }

[data-theme="light"] .marquee-gold { background: #fdf6e2; border-color: #e8d9a4; color: #8a6a1c; }
[data-theme="light"] .marquee-rose { background: #fdeef3; border-color: #f3c2d4; color: #b8305c; }
[data-theme="light"] .marquee-neon { background: #eef0fe; border-color: #c6caf7; color: #4b4fc0; }
[data-theme="light"] .marquee-dark { background: #eef0f3; border-color: #d9dde3; color: #5b626e; }

/* ---------- pagination jump ---------- */
.pager { flex-wrap: wrap; }

.jump {
  display: flex;
  align-items: center;
  gap: 6px;
}

.jump input[type="number"] {
  width: 64px;
  padding: 6px 8px;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  font: inherit;
  outline: none;
}
.jump input[type="number"]:focus { border-color: var(--accent); }

.jump button {
  padding: 6px 13px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.jump button:hover { filter: brightness(1.08); }

.jl { color: var(--fg2); font-size: calc(var(--fs) - 1px); }
.pg.ghost { visibility: hidden; }

/* ---------- checkbox rows in admin ---------- */
.panel label.chk {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 14px;
}

.panel label.chk input[type="checkbox"] {
  width: auto;
  margin: 0;
  display: inline-block;
  accent-color: var(--accent);
}

.panel label.chk-inline { align-self: end; margin-bottom: 0; }

/* 触摸设备：预览播放时提示可进入详情 */
@media (hover: none) {
  .card.previewing .thumb::before {
    content: "点击进入详情";
    position: absolute;
    left: 8px;
    bottom: 8px;
    z-index: 4;
    font-size: calc(var(--fs) - 3px);
    line-height: 1.4;
    padding: 3px 9px;
    border-radius: var(--radius-xs);
    background: rgba(0, 0, 0, .68);
    color: #fff;
    pointer-events: none;
  }
}

/* 触摸设备：单列铺满，滚动时中央卡片自动播放 */
@media (hover: none) and (pointer: coarse) {
  .grid { grid-template-columns: 1fr; }
  .grid.small { grid-template-columns: repeat(2, 1fr); }
  .thumb { aspect-ratio: 16 / 10; }
}

/* 暖褐复古下的跑马灯配色 */
[data-theme="sepia"] .marquee-gold { background: #fdf3dd; border-color: #e4d3a6; color: #8a6a1c; }
[data-theme="sepia"] .marquee-rose { background: #fbeae9; border-color: #eec9c6; color: #a53a2f; }
[data-theme="sepia"] .marquee-neon { background: #eaeef2; border-color: #cbd4dd; color: #3f5568; }
[data-theme="sepia"] .marquee-dark { background: #efe7d8; border-color: #d9cdb8; color: #5b4c3a; }

/* 手机端：搜索框独占一行 */
@media (max-width: 640px) {
  header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }

  .search {
    flex: 1 1 100%;
    max-width: none;
    order: 2;
  }
}

/* ---------- 年龄确认弹窗 ---------- */
.age-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, .82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

html.age-ok .age-gate { display: none; }
html:not(.age-ok) body.age-on { overflow: hidden; }

.age-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 30px 26px 26px;
  text-align: center;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: calc(var(--fs) + 3px);
  font-weight: 800;
  letter-spacing: .5px;
}

.age-card h2 {
  margin: 0 0 10px;
  font-size: calc(var(--fs) + 4px);
  color: var(--fg);
}

.age-card p {
  margin: 0 0 24px;
  white-space: pre-line;
  font-size: var(--fs);
  line-height: 1.65;
  color: var(--fg2);
}

.age-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.age-actions button {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: filter .15s, color .15s, border-color .15s;
}

.age-yes {
  background: var(--accent);
  color: #fff;
}
.age-yes:hover { filter: brightness(1.08); }

.age-no {
  background: transparent;
  color: var(--fg2);
  border-color: var(--line);
}
.age-no:hover { color: var(--fg); border-color: var(--fg2); }

/* ---------- 预览视频声音开关 ---------- */
.snd {
  position: absolute;
  bottom: 6px;
  right: 6px;
  z-index: 4;
  width: calc(var(--snd-size, 13px) + 2px);
  height: calc(var(--snd-size, 13px) + 2px);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  cursor: pointer;
  opacity: .78;
  transition: opacity .15s, background .15s, transform .12s;
}

.snd svg {
  width: var(--snd-size, 13px);
  height: var(--snd-size, 13px);
}

.snd:hover { opacity: 1; background: rgba(0, 0, 0, .78); }
.snd:active { transform: scale(.9); }

.snd.muted .w1,
.snd.muted .w2 { display: none; }
.snd:not(.muted) .slash { display: none; }

/* ---------- 后台视频管理 ---------- */
.searchrow {
  display: flex;
  gap: 8px;
}

.searchrow input {
  flex: 1;
  margin-top: 0;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  outline: none;
}

.searchrow input:focus { border-color: var(--accent); }

.vtable {
  width: 100%;
  border-collapse: collapse;
  font-size: calc(var(--fs) - 1px);
}

.vtable th {
  text-align: left;
  font-weight: 600;
  color: var(--fg2);
  font-size: calc(var(--fs) - 2px);
  padding: 0 8px 10px;
  border-bottom: 1px solid var(--line);
}

.vtable td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.vtable tr:last-child td { border-bottom: none; }
.vtable tr:hover td { background: rgba(128, 128, 128, .06); }

.col-title a { color: var(--fg); }
.col-title a:hover { color: var(--accent); }

.col-title {
  word-break: break-all;
  line-height: 1.45;
}

.col-date {
  white-space: nowrap;
  color: var(--fg2);
  font-size: calc(var(--fs) - 2px);
  width: 90px;
}

.col-act { width: 72px; text-align: right; }

.dform { display: inline; }

.btn-del {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(220, 60, 80, .45);
  background: rgba(220, 60, 80, .1);
  color: #e05a6a;
  font: inherit;
  font-size: calc(var(--fs) - 2px);
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.btn-del:hover {
  background: rgba(220, 60, 80, .2);
  color: #ff6b7d;
}

/* ---------- 卡片悬停效果变体 ---------- */
[data-hover="zoom"] .card:hover {
  transform: scale(1.045);
  box-shadow: 0 12px 30px var(--shadow);
  z-index: 3;
}

[data-hover="lift"] .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 34px var(--shadow);
  z-index: 3;
}

[data-hover="glow"] .card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 10px 26px var(--shadow);
  z-index: 3;
}

[data-hover="outline"] .card:hover {
  transform: none;
  border-color: var(--accent);
  box-shadow: none;
}

[data-hover="zoom-lift"] .card:hover {
  transform: translateY(-5px) scale(1.035);
  box-shadow: 0 16px 36px var(--shadow);
  z-index: 3;
}

/* ---------- 页脚网站自述 ---------- */
.f-note {
  margin: 0;
  max-width: 640px;
  font-size: calc(var(--fs) - 2px);
  line-height: 1.7;
  color: var(--fg2);
  white-space: pre-line;
  text-align: center;
}

/* ============ 维护页 ============ */
.maint-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
  color: var(--fg);
  font-size: var(--fs);
}
.maint {
  width: 100%;
  max-width: 540px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 50px var(--shadow);
  padding: 44px 32px 38px;
  text-align: center;
}
.maint-badge {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--accent);
}
.maint h1 {
  margin: 0 0 4px;
  font-size: calc(var(--fs) + 6px);
  letter-spacing: .5px;
}
.maint-title {
  margin: 0 0 20px;
  font-size: calc(var(--fs) + 1px);
  color: var(--accent);
  font-weight: 600;
}
.maint-text {
  white-space: pre-line;
  line-height: 1.9;
  color: var(--fg2);
  text-align: left;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.maint-hint {
  margin: 20px 0 0;
  font-size: calc(var(--fs) - 3px);
  color: var(--fg2);
  opacity: .8;
}
@media (max-width: 520px) {
  .maint { padding: 34px 20px 30px; }
  .maint-text { text-align: center; }
}