/* ============================================================
   闪电管家官网 · Glassmorphism · 亮/暗双主题
   ============================================================ */

:root {
  --accent: #3b5bfd;
  --accent-2: #8b5cf6;
  --accent-soft: rgba(59, 91, 253, 0.10);
  --grad: linear-gradient(120deg, #3b5bfd, #8b5cf6 65%, #06b6d4);

  --bg: #f3f5fb;
  --glow-1: rgba(59, 91, 253, 0.13);
  --glow-2: rgba(139, 92, 246, 0.11);
  --glow-3: rgba(6, 182, 212, 0.09);

  --text: #14172a;
  --text-2: #4a4f66;
  --text-3: #8b90a7;

  --glass: rgba(255, 255, 255, 0.34);
  --glass-strong: rgba(255, 255, 255, 0.58);
  --glass-border: rgba(255, 255, 255, 0.66);
  --line: rgba(90, 100, 140, 0.14);
  --ctl-bg: rgba(255, 255, 255, 0.6);
  --ctl-border: rgba(90, 100, 140, 0.16);
  --shadow: 0 10px 36px rgba(50, 60, 120, 0.10);
  --shadow-sm: 0 4px 16px rgba(50, 60, 120, 0.07);
  --radius: 22px;
  --maxw: 1080px;
}

html[data-theme="dark"] {
  --bg: #0a0c15;
  --glow-1: rgba(59, 91, 253, 0.16);
  --glow-2: rgba(139, 92, 246, 0.13);
  --glow-3: rgba(6, 182, 212, 0.08);

  --text: #eef0fa;
  --text-2: #b4b9cf;
  --text-3: #6f7490;

  --glass: rgba(22, 25, 40, 0.38);
  --glass-strong: rgba(28, 32, 50, 0.64);
  --glass-border: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.08);
  --ctl-bg: rgba(30, 34, 52, 0.6);
  --ctl-border: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 36px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --accent-soft: rgba(99, 125, 255, 0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(720px 460px at 10% -6%, var(--glow-1), transparent 62%),
    radial-gradient(620px 440px at 92% 2%, var(--glow-2), transparent 60%),
    radial-gradient(760px 520px at 50% 110%, var(--glow-3), transparent 64%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
  transition: background 0.35s ease, color 0.35s ease;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 背景装饰层：流光 + 放大桌宠虚化 ---------- */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(460px 460px at 82% 30%, var(--glow-2), transparent 66%),
    radial-gradient(380px 380px at 6% 62%, var(--glow-1), transparent 66%),
    radial-gradient(300px 300px at 45% 88%, var(--glow-3), transparent 64%);
}
body::after {
  content: ""; position: fixed; right: -150px; bottom: -130px;
  width: 620px; height: 620px; z-index: -1; pointer-events: none;
  background: url("../assets/shots/pet.png") center / cover no-repeat;
  border-radius: 50%;
  filter: blur(3px) saturate(120%);
  opacity: 0.18;
  -webkit-mask-image: radial-gradient(circle at center, #000 34%, transparent 68%);
  mask-image: radial-gradient(circle at center, #000 34%, transparent 68%);
  animation: bgpet-float 9s ease-in-out infinite alternate;
}
@keyframes bgpet-float {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-26px) scale(1.04); }
}
html[data-theme="dark"] body::after { opacity: 0.13; }
@media (max-width: 900px) { body::after { width: 420px; height: 420px; right: -110px; bottom: -100px; } }

/* ---------- 顶栏 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
}
.nav-wrap {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16.5px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.brand small { font-weight: 500; color: var(--text-3); font-size: 11.5px; }
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  padding: 7px 14px; border-radius: 10px; font-size: 14px; color: var(--text-2);
  transition: all 0.2s ease; font-weight: 500;
}
.nav-links a:hover { color: var(--accent); background: var(--accent-soft); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }
.nav-actions { display: flex; align-items: center; gap: 8px; }

.ctl-btn {
  width: 34px; height: 34px; border-radius: 10px; cursor: pointer;
  background: var(--ctl-bg); border: 1px solid var(--ctl-border);
  color: var(--text-2); display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease; font-family: inherit; font-size: 12.5px; font-weight: 700;
}
.ctl-btn:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.ctl-btn svg { width: 17px; height: 17px; }
.ctl-lang { width: auto; padding: 0 11px; letter-spacing: 0.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; border-radius: 13px; font-size: 15px; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.22s ease; font-family: inherit;
}
.btn-primary {
  background: rgba(59, 91, 253, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 6px 22px rgba(59, 91, 253, 0.30);
  color: #fff;
}
.btn-primary:hover {
  background: rgba(59, 91, 253, 0.92);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 10px 28px rgba(59, 91, 253, 0.40);
}
.btn-ghost {
  background: var(--ctl-bg); color: var(--text); border: 1px solid var(--ctl-border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 7px 16px; font-size: 13.5px; border-radius: 10px; }
.btn-lg { padding: 14px 34px; font-size: 16px; border-radius: 14px; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none !important; box-shadow: none; }

/* ---------- 玻璃卡 ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-main { padding: 122px 0 30px; min-height: calc(100vh - 280px); }

.section-title { text-align: center; font-size: 32px; letter-spacing: 0.5px; margin-bottom: 10px; }
.section-sub { text-align: center; color: var(--text-2); margin-bottom: 48px; font-size: 15px; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 46px 0 26px; }
.hero-icon {
  width: 120px; height: 120px; margin: 0 auto 30px; border-radius: 28px;
  box-shadow: 0 26px 64px rgba(59, 91, 253, 0.32);
  border: 1px solid var(--glass-border);
}
.hero h1 { font-size: 56px; line-height: 1.18; letter-spacing: 1px; margin-bottom: 18px; font-weight: 800; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 17px; color: var(--text-2); max-width: 560px; margin: 0 auto 34px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-meta { margin-top: 20px; color: var(--text-3); font-size: 13px; }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 64px 0; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: center; padding: 24px 10px; }
.stat b { display: block; font-size: 30px; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 13px; color: var(--text-2); }

/* ---------- 功能卡片 ---------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .hero h1 { font-size: 40px; } }
@media (max-width: 620px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 34px; }
}

.feature-card { padding: 30px 26px; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 16px 44px rgba(50, 60, 120, 0.16); }
.fi {
  width: 48px; height: 48px; border-radius: 13px; display: flex; align-items: center;
  justify-content: center; margin-bottom: 18px; color: var(--accent);
  background: var(--accent-soft); border: 1px solid var(--glass-border);
}
.fi svg { width: 23px; height: 23px; }
.fi.big { width: 84px; height: 84px; border-radius: 22px; margin: 0 auto 20px; }
.fi.big svg { width: 40px; height: 40px; }
.feature-card h3 { font-size: 17px; margin-bottom: 7px; }
.feature-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }

/* ---------- 产品区块 ---------- */
.product-block { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; margin: 60px 0; }
.product-block.reverse .pb-text { order: 2; }
@media (max-width: 860px) { .product-block { grid-template-columns: 1fr; gap: 24px; } .product-block.reverse .pb-text { order: 0; } }
.pb-text h3 { font-size: 23px; margin-bottom: 12px; }
.pb-text .pb-desc { color: var(--text-2); font-size: 14.5px; margin-bottom: 12px; }
.pb-list { list-style: none; margin-top: 6px; }
.pb-list li { padding: 6px 0 6px 20px; position: relative; font-size: 14px; color: var(--text-2); }
.pb-list li::before {
  content: ""; position: absolute; left: 2px; top: 15px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--grad);
}
.pb-visual { padding: 56px 30px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.pb-visual .pv-tag { font-size: 11.5px; color: var(--text-3); letter-spacing: 3px; }

/* ---------- CTA ---------- */
.cta-band { text-align: center; padding: 54px 30px; margin: 70px 0 40px; }
.cta-band h2 { font-size: 27px; margin-bottom: 10px; }
.cta-band p { color: var(--text-2); margin-bottom: 26px; font-size: 15px; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 60px; padding: 44px 0 28px;
  background: var(--glass);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  border-top: 1px solid var(--glass-border);
}
.footer-log {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 16px; border-radius: 12px; margin-bottom: 22px;
  background: var(--glass-strong); border: 1px solid var(--glass-border);
  font-size: 13px; box-shadow: var(--shadow-sm);
}
.footer-log .ver-chip { background: var(--grad); color: #fff; padding: 2px 10px;
  border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.footer-log a { color: var(--accent); font-weight: 600; }
.footer-log a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 26px; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 9px; font-weight: 700; margin-bottom: 8px; }
.footer-brand img { width: 28px; height: 28px; border-radius: 7px; }
.footer-grid p, .footer-grid a { font-size: 13px; color: var(--text-2); }
.footer-col h4 { font-size: 13.5px; margin-bottom: 10px; }
.footer-col a { display: block; padding: 3px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 18px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 12px; color: var(--text-3); }

/* ---------- 下载页 ---------- */
.os-tip {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 12px; margin: 0 auto 30px; max-width: 640px;
  background: var(--accent-soft); border: 1px solid var(--glass-border);
  color: var(--accent); font-size: 13.5px; font-weight: 600; text-align: center;
}
.version-block { margin-bottom: 24px; }
.version-head { display: flex; align-items: center; gap: 12px; padding: 20px 24px 12px; }
.version-head .v-num { font-size: 20px; font-weight: 800; }
.version-head .v-latest { font-size: 11px; font-weight: 700; color: #fff; padding: 3px 10px;
  border-radius: 999px; background: linear-gradient(135deg, #f59e0b, #f97316); }
.version-head .v-date { color: var(--text-3); font-size: 12.5px; margin-left: auto; }
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 6px 24px 22px; }
@media (max-width: 760px) { .dl-grid { grid-template-columns: 1fr; } }
.dl-tile {
  border: 1px solid var(--line); border-radius: 15px; padding: 16px 18px;
  display: flex; align-items: center; gap: 12px; transition: all 0.2s ease;
  background: var(--ctl-bg);
}
.dl-tile.recommend { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.dl-tile .dt-info { flex: 1; min-width: 0; }
.dl-tile .dt-name { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.dl-tile .dt-meta { font-size: 11.5px; color: var(--text-3); margin-top: 1px; }
.recommend-chip { font-size: 10px; font-weight: 700; color: #fff; padding: 2px 7px;
  border-radius: 999px; background: var(--grad); }
.waiting-chip { font-size: 12.5px; font-weight: 600; color: var(--text-3); }

/* ---------- 日志页 ---------- */
.log-entry { padding: 28px 30px; margin-bottom: 20px; }
.log-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.log-ver { font-size: 18px; font-weight: 800; color: var(--accent); }
.log-title { font-size: 15px; font-weight: 600; }
.log-date { font-size: 12px; color: var(--text-3); margin-left: auto; }
.log-body { font-size: 14px; color: var(--text-2); }
.log-body h2, .log-body h3 { color: var(--text); margin: 13px 0 7px; font-size: 15.5px; }
.log-body ul { padding-left: 4px; list-style: none; }
.log-body li { padding: 3px 0 3px 20px; position: relative; }
.log-body li::before { content: "·"; position: absolute; left: 7px; font-weight: 800; color: var(--accent); }
.log-body code { background: var(--accent-soft); padding: 1px 6px; border-radius: 5px;
  font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; }
.log-body blockquote { border-left: 3px solid var(--accent); padding: 4px 14px;
  color: var(--text-3); margin: 10px 0; opacity: 0.85; }

/* ---------- 下载弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(10, 12, 22, 0.45);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.modal-mask.open { display: flex; }
.modal { width: 100%; max-width: 460px; padding: 30px 28px; position: relative; }
.modal h3 { font-size: 19px; margin-bottom: 4px; }
.modal .modal-sub { font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 30px; height: 30px;
  border-radius: 9px; border: 1px solid var(--ctl-border); background: var(--ctl-bg);
  color: var(--text-2); cursor: pointer; font-size: 15px; line-height: 1;
}
.modal-opts { display: flex; flex-direction: column; gap: 10px; }
.modal-opt {
  display: flex; align-items: center; gap: 12px; padding: 15px 18px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--ctl-bg);
  transition: all 0.2s ease; cursor: pointer;
}
.modal-opt:hover { border-color: var(--accent); transform: translateX(3px); }
.modal-opt .mo-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; color: var(--accent); }
.modal-opt .mo-icon svg { width: 19px; height: 19px; }
.modal-opt .mo-info { flex: 1; }
.modal-opt .mo-name { font-size: 14.5px; font-weight: 700; }
.modal-opt .mo-meta { font-size: 12px; color: var(--text-3); }
.modal-opt.disabled { opacity: 0.55; cursor: not-allowed; }
.modal-opt.disabled:hover { border-color: var(--line); transform: none; }

/* ---------- 关于页 ---------- */
.about-quote { max-width: 680px; margin: 44px auto; padding: 32px 36px; text-align: center;
  font-size: 16px; line-height: 2; }
.about-quote small { display: block; margin-top: 12px; color: var(--text-3); font-size: 12.5px; }

/* ---------- 联系页卡片 ---------- */
.contact-card { text-align: center; }
.contact-card .fi { margin-left: auto; margin-right: auto; }
.contact-card a { color: var(--accent); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }

/* ---------- 下载页 · 平台三选 ---------- */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 30px; }
@media (max-width: 760px) { .platform-grid { grid-template-columns: 1fr; } }
.platform-card {
  padding: 30px 20px 24px; text-align: center; cursor: pointer; font-family: inherit;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: all 0.22s ease; color: var(--text);
}
.platform-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.platform-card.active { border-color: var(--accent); box-shadow: 0 0 0 1.5px var(--accent) inset, var(--shadow); }
.platform-card.disabled { opacity: 0.55; cursor: not-allowed; }
.platform-card.disabled:hover { transform: none; border-color: var(--glass-border); }
.platform-card b { font-size: 16.5px; }
.platform-card .pf-d { font-size: 12.5px; color: var(--text-3); }
.platform-card .pf-d.wait { color: #f59e0b; font-weight: 700; }
.platform-card .fi.big { margin-bottom: 6px; }

.version-block { padding: 8px 24px 14px; }
.dl-row {
  display: flex; align-items: center; gap: 14px; padding: 14px 2px;
  border-top: 1px solid var(--line); flex-wrap: wrap;
}
.dl-row:first-child { border-top: none; }
.dl-name { font-size: 15.5px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.dl-name .v-latest { font-size: 10.5px; font-weight: 700; color: #fff; padding: 2px 8px;
  border-radius: 999px; background: linear-gradient(135deg, #f59e0b, #f97316); }
.dl-meta { font-size: 12.5px; color: var(--text-3); flex: 1; }
.os-tip svg { width: 16px; height: 16px; }

/* ---------- 截图展示 ---------- */
.shot-frame { padding: 10px; margin: 26px auto; max-width: 880px; }
.shot-frame img { border-radius: 14px; width: 100%; }
.shot-cap { text-align: center; font-size: 13px; color: var(--text-3); padding: 10px 0 6px; }
.shots-pet { display: flex; align-items: center; justify-content: center; gap: 20px; margin: 30px 0; }
.shots-pet img { width: 96px; height: 96px; border-radius: 50%; box-shadow: var(--shadow-sm); border: 1px solid var(--glass-border); }

/* ---------- 文档页 ---------- */
.doc-paper { max-width: 820px; margin: 0 auto; padding: 52px 58px; }
@media (max-width: 680px) { .doc-paper { padding: 32px 24px; } }
.doc-paper .doc-head { text-align: center; border-bottom: 2px solid var(--line); padding-bottom: 26px; margin-bottom: 30px; }
.doc-paper .doc-head img { width: 72px; border-radius: 16px; margin: 0 auto 16px; }
.doc-paper .doc-head h1 { font-size: 26px; margin-bottom: 6px; }
.doc-paper .doc-head .doc-meta { font-size: 12.5px; color: var(--text-3); }
.doc-paper h2 { font-size: 19px; margin: 34px 0 14px; padding-left: 12px; border-left: 4px solid var(--accent); }
.doc-paper p { font-size: 14px; color: var(--text-2); margin: 8px 0; }
.doc-paper ul.doc-ul { list-style: none; margin: 10px 0; }
.doc-paper ul.doc-ul li { padding: 5px 0 5px 20px; position: relative; font-size: 14px; color: var(--text-2); }
.doc-paper ul.doc-ul li::before { content: ""; position: absolute; left: 4px; top: 14px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--grad); }
.doc-paper table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.5px; }
.doc-paper th, .doc-paper td { padding: 9px 12px; border: 1px solid var(--line); text-align: left; }
.doc-paper th { background: var(--accent-soft); font-weight: 700; }
.doc-sec-title { font-size: 15px; font-weight: 800; margin: 26px 0 8px; color: var(--text); }

/* ---------- 在线文档配图 ---------- */
.doc-fig { margin: 22px 0 28px; padding: 12px; }
.doc-fig img { border-radius: 12px; width: 100%; }
.doc-fig figcaption { text-align: center; font-size: 12.5px; color: var(--text-3); padding: 10px 4px 2px; }
.pet-fig { max-width: 300px; margin: 22px auto 28px; }
.pet-fig img { border-radius: 50%; }