/* ============================================================
   与飞同行 · 飞哥实战营 品牌视觉系统 v2
   蓝紫渐变星空 / 金色点缀 / 统一卡片 / 强悬浮
   ============================================================ */

:root {
  /* 背景层次（连续渐变，非死黑） */
  --bg-0: #060a16;
  --bg-1: #0a1128;
  --bg-2: #0d1530;
  --bg-3: #081020;

  /* 卡片统一面板色 */
  --card-top: #1c2a52;
  --card-bot: #131d3d;

  /* 金色 */
  --gold: #c8a45c;
  --gold-light: #d9b87a;
  --gold-pale: #e8d5b0;
  --gold-deep: #a5853f;

  /* 文本 */
  --text-hi: #f4f7ff;
  --text-mid: #c9d4ea;
  --text-low: #8fa2c8;

  /* 描边与阴影 */
  --card-border: rgba(212, 175, 55, 0.24);
  --card-border-hi: rgba(212, 175, 55, 0.65);
  --card-shadow: 0 24px 48px -16px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(212, 175, 55, 0.06);
  --card-shadow-hi: 0 40px 72px -18px rgba(0, 0, 0, 0.75), 0 0 34px rgba(212, 175, 55, 0.18);

  --line: rgba(212, 175, 55, 0.16);
  --line-soft: rgba(255, 255, 255, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1200px;

  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Segoe UI", sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text-hi);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* 连续蓝紫渐变背景 —— 连贯、有纵深、不黑 */
  background:
    radial-gradient(1400px 700px at 50% -10%, rgba(30, 52, 120, 0.5), transparent 60%),
    radial-gradient(1100px 560px at 8% 12%, rgba(16, 24, 60, 0.85), transparent 55%),
    radial-gradient(1200px 600px at 92% 6%, rgba(20, 40, 95, 0.45), transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 42%, var(--bg-3) 78%, var(--bg-0) 100%);
  background-attachment: fixed;
}

/* 金色光晕（让背景有"光"） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 50% 0%, rgba(212, 175, 55, 0.06), transparent 60%),
    radial-gradient(760px 620px at 22% 46%, rgba(6, 10, 24, 0.34), transparent 70%),
    linear-gradient(180deg, rgba(6, 10, 24, 0.06) 0%, rgba(6, 10, 24, 0.18) 55%, rgba(6, 10, 24, 0.46) 100%);
}

/* 细网格连接线 —— 极淡，保持背景简洁 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.018) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 75%);
}

/* 星空粒子层 */
#stars { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.9; }

::selection { background: var(--gold); color: #0a1030; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ============ 金色渐变文字 ============ */
.gold-text {
  background: linear-gradient(100deg, #fff6e2 0%, #e8cf9a 38%, #f8e6bf 62%, #e8cf9a 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shine 4s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }

.gold-stroke {
  color: var(--gold-pale);
  text-shadow: 0 0 28px rgba(245, 197, 24, 0.4), 0 2px 0 rgba(0, 0, 0, 0.3);
}

/* ============ 导航 ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(10, 16, 48, 0.85), rgba(10, 16, 48, 0.68));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 70px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 13px;
  background: linear-gradient(145deg, #2a4a9e, #0f1c42);
  border: 1px solid var(--gold);
  box-shadow: 0 0 22px rgba(212, 175, 55, 0.4);
}
.brand .logo img { width: 100%; height: 100%; object-fit: cover; border-radius: 11px; }
.brand .name { font-size: 19px; font-weight: 700; letter-spacing: 1px; line-height: 1.15; }
.brand .name small { display: block; font-size: 9.5px; font-weight: 400; color: var(--text-low); letter-spacing: 3px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 7px 14px; border-radius: 999px; font-size: 13px;
  font-weight: 400; letter-spacing: 0.5px;
  color: var(--text-low); transition: all .25s;
}
.nav-links a.active { color: var(--gold-light); background: rgba(200,164,92,0.12); }

.nav-links a:hover { color: var(--gold-light); background: rgba(212, 175, 55, 0.1); }
.nav-links a.active { color: var(--gold-light); background: rgba(212, 175, 55, 0.14); }
.nav-cta {
  padding: 10px 22px; border-radius: 999px; font-size: 14px; font-weight: 700;
  color: #0a1030 !important;
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  box-shadow: 0 6px 24px rgba(212, 175, 55, 0.45);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(245, 197, 24, 0.6); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px; border-radius: 999px; font-size: 16px; font-weight: 700;
  cursor: pointer; border: none;
  transition: transform .2s, box-shadow .2s;
}
.btn-gold {
  color: #0a1030;
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.45);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 14px 44px rgba(245, 197, 24, 0.6); }
.btn-ghost { color: var(--gold-light); background: transparent; border: 1px solid var(--gold); }
.btn-ghost:hover { background: rgba(212, 175, 55, 0.12); transform: translateY(-3px); }
.btn-block { width: 100%; justify-content: center; }

.btn-shine { position: relative; overflow: hidden; }
.btn-shine::after {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.6), transparent);
  transform: skewX(-20deg); animation: sweep 3s ease-in-out infinite;
}
@keyframes sweep { 0%,60% { left: -80%; } 100% { left: 130%; } }

/* ============ Hero（左右分栏 · 博客式简洁） ============ */
.hero { position: relative; padding: 80px 0 64px; overflow: hidden; }
.hero-split {
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 56px;
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
}
.hero-split .h-left { flex: 1.2; text-align: left; }
.hero-split .h-right { flex: 0.8; display: grid; place-items: center; }
.hero-split .hero-logo {
  width: min(320px, 100%);
  margin: 0;
  border-radius: 22px;
  border: 2px solid rgba(212, 175, 55, 0.55);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.65), 0 0 60px rgba(212, 175, 55, 0.28);
  animation: heroFloat 5.5s ease-in-out infinite;
}
.hero-split .eyebrow { margin-bottom: 20px; }
.hero-split h1 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 12px; line-height: 1.22; }
.hero-split .subtitle { margin: 0 0 24px; max-width: 540px; font-size: 15px; }
.hero-split .hero-actions { justify-content: flex-start; }
.hero-split .h-contact { margin-top: 16px; font-size: 13px; color: var(--text-low); }

.hero-shots { position: relative; width: min(410px, 100%); padding-bottom: 30px; }
.hero-shots img {
  border-radius: 14px;
  border: 1px solid var(--card-border-hi);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65), 0 0 34px rgba(212, 175, 55, 0.16);
  display: block;
}
.hero-shots .hs1 { width: 58%; transform: rotate(-5deg); position: relative; z-index: 2; }
.hero-shots .hs2 { width: 62%; position: absolute; left: 27%; bottom: -4px; transform: rotate(7deg); z-index: 1; }
.hero-shots .hs-tag {
  position: absolute; z-index: 3; top: -14px; left: 6%;
  font-size: 11px; letter-spacing: 1px; padding: 4px 12px; border-radius: 999px;
  background: rgba(6, 10, 30, 0.85); color: var(--gold-light); border: 1px solid var(--card-border);
}
@media (max-width: 860px) {
  .hero-shots { margin: 0 auto 56px; }
  .hero-split { flex-direction: column; text-align: center; gap: 32px; }
  .hero-split .h-left { text-align: center; }
  .hero-split .hero-actions { justify-content: center; }
}
.hero-inner { position: relative; z-index: 2; text-align: center; max-width: 920px; margin: 0 auto; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: 999px; font-size: 12px; letter-spacing: 2.5px;
  color: var(--gold-light); border: 1px solid var(--card-border);
  background: rgba(212, 175, 55, 0.08); margin-bottom: 28px;
}
.hero h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 800; line-height: 1.16; letter-spacing: 1px; margin-bottom: 22px; }

/* Hero 主体 Logo —— 品牌视觉锚点 */
.hero-logo {
  width: min(300px, 64vw);
  margin: 0 auto 32px;
  border-radius: 22px;
  border: 2px solid rgba(212, 175, 55, 0.55);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.65), 0 0 60px rgba(212, 175, 55, 0.28);
  animation: heroFloat 5.5s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero .subtitle { font-size: clamp(16px, 2vw, 19px); color: var(--text-mid); max-width: 660px; margin: 0 auto 36px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.dragon-mark {
  position: absolute; inset: 0; z-index: 1;
  display: grid; place-items: center; pointer-events: none; opacity: 0.15;
}
.dragon-mark img { width: min(680px, 80vw); }

.stats { display: flex; gap: 48px; justify-content: center; flex-wrap: wrap; margin-top: 60px; }
.stat { text-align: center; }
.stat .num { font-size: 36px; font-weight: 800; }
.stat .label { font-size: 13px; color: var(--text-low); margin-top: 4px; letter-spacing: 1px; }

/* ============ 区块标题 ============ */
.section { padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head .tag {
  display: inline-block; font-size: 12px; letter-spacing: 4px;
  color: var(--gold); margin-bottom: 12px; font-weight: 700;
}
.section-head h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: 1px; }
.section-head p { color: var(--text-low); margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; }
.section-head::after {
  content: ""; display: block; width: 58px; height: 2px; margin: 20px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 2px;
}

/* ============ 卡片 —— 统一面板色 + 强悬浮 ============ */
.grid { display: grid; gap: 24px; align-items: start; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card::before, .entry-card::before, .video-card::before, .cover-card::before {
  content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px; z-index: 1;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
}
.card {
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--card-shadow);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-8px);
  border-color: var(--card-border-hi);
  box-shadow: var(--card-shadow-hi);
}
.card .corner {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: opacity .3s;
}
.card:hover .corner { opacity: 1; }

/* 资料卡片 */
.res-card .badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.badge { font-size: 11px; padding: 3px 11px; border-radius: 999px; letter-spacing: 1px; }
.badge-top { background: var(--gold); color: #0a1030; font-weight: 700; }
.badge-hot { background: rgba(245, 197, 24, 0.16); color: var(--gold-light); }
.badge-new { background: rgba(80, 160, 255, 0.16); color: #8ec5ff; }
.res-card h3 { font-size: 18px; margin-bottom: 10px; line-height: 1.42; }
.res-card .desc { color: var(--text-low); font-size: 14px; margin-bottom: 16px; }
.res-card .meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-low);
  padding-top: 14px; border-top: 1px solid var(--line-soft);
}
.res-card .go { color: var(--gold-light); font-weight: 700; }

/* 特征卡片（权威感） */
.feature-card { text-align: center; }
.feature-card .icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  display: grid; place-items: center; border-radius: 16px;
  background: linear-gradient(145deg, #2a4a9e, #16255a);
  border: 1px solid var(--card-border);
  font-size: 28px;
}
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-low); }

/* ============ 时间轴 ============ */
.timeline { position: relative; max-width: 780px; margin: 0 auto; padding-left: 32px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px;
  background: linear-gradient(var(--gold), rgba(200,164,92,0.1));
}
.tl-item { position: relative; padding: 0 0 30px 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 14px rgba(212, 175, 55, 0.9);
}
.tl-date { font-size: 13px; color: var(--gold-light); font-weight: 700; letter-spacing: 1px; }
.tl-title { font-size: 16px; margin: 4px 0; }
.tl-title a:hover { color: var(--gold-light); }
.tl-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }

/* ============ 反馈 ============ */
.feedback { border-left: 3px solid var(--gold); padding: 6px 0 6px 22px; }
.feedback p { color: var(--text-mid); font-size: 15px; }
.feedback .who { margin-top: 12px; font-size: 13px; color: var(--gold-light); font-weight: 600; }

/* ============ 会员对比 ============ */
.pricing-card { text-align: center; padding: 36px 28px; display: flex; flex-direction: column; }
.pricing-card ul { flex: 1; }
.pricing-card .price { font-size: 48px; font-weight: 800; margin: 14px 0 4px; }
.pricing-card .price small { font-size: 16px; color: var(--text-low); font-weight: 400; }
.pricing-card ul { list-style: none; text-align: left; margin: 22px 0; }
.pricing-card ul li { padding: 9px 0 9px 28px; color: var(--text-mid); font-size: 14px; position: relative; }
.pricing-card ul li::before { content: "✦"; position: absolute; left: 0; color: var(--gold); }
.pricing-card.featured {
  border-color: var(--card-border-hi);
  box-shadow: 0 0 50px rgba(212, 175, 55, 0.3), var(--card-shadow);
  transform: scale(1.04);
}
.pricing-card .feat-tag {
  position: absolute; top: 18px; right: 18px;
  background: var(--gold); color: #0a1030; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
}

/* ============ 页脚 ============ */
.footer { border-top: 1px solid var(--line); padding: 48px 0 32px; margin-top: 40px; color: var(--text-low); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer a { color: var(--text-mid); }
.footer a:hover { color: var(--gold-light); }
.footer .disclaimer { margin-top: 24px; font-size: 12px; opacity: 0.7; }

/* ============ 公告弹窗 ============ */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(6, 10, 30, 0.82);
  backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-mask.show { display: flex; }
.modal {
  width: min(500px, 100%);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  border: 1px solid var(--card-border-hi);
  border-radius: var(--radius);
  padding: 34px; text-align: center;
  animation: pop .35s ease;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.7);
}
@keyframes pop { from { transform: scale(.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .eyebrow { letter-spacing: 3px; color: var(--gold); font-size: 12px; }
.modal h3 { font-size: 22px; margin: 10px 0; }
.modal p { color: var(--text-mid); font-size: 14px; margin-bottom: 20px; }
.modal .btn { margin: 6px 0; }

/* ============ 搜索与筛选 ============ */
.search-bar { display: flex; gap: 12px; max-width: 680px; margin: 44px auto 10px; }
.search-bar input {
  flex: 1; padding: 15px 22px; border-radius: 999px;
  border: 1px solid var(--card-border);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  color: var(--text-hi); font-size: 15px; outline: none; transition: border-color .25s;
}
.search-bar input:focus { border-color: var(--card-border-hi); }
.search-bar input::placeholder { color: var(--text-low); }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-chip {
  padding: 9px 20px; border-radius: 999px;
  border: 1px solid var(--card-border); background: transparent;
  color: var(--text-mid); font-size: 14px; cursor: pointer; transition: all .2s;
}
.filter-chip:hover { border-color: var(--card-border-hi); color: var(--gold-light); }
.filter-chip.active { background: var(--gold); color: #0a1030; border-color: var(--gold); font-weight: 700; }

/* ============ 详情页 ============ */
.article { max-width: 820px; margin: 0 auto; }
.article h1 { font-size: clamp(28px, 4.5vw, 42px); line-height: 1.25; margin-bottom: 20px; }
.article .lead { font-size: 17px; color: var(--text-mid); margin-bottom: 30px; }
.article h2 { font-size: 22px; margin: 36px 0 14px; color: var(--gold-light); }
.article p { color: var(--text-mid); margin-bottom: 14px; }
.article ul { padding-left: 22px; color: var(--text-mid); margin-bottom: 14px; }
.article ul li { margin-bottom: 8px; }
.article .cta-box {
  margin: 40px 0; padding: 36px; border-radius: var(--radius);
  border: 1px solid var(--card-border-hi);
  background: linear-gradient(160deg, rgba(200,164,92,0.10), rgba(22,37,90,0.5));
  text-align: center;
  box-shadow: 0 20px 50px -16px rgba(0,0,0,0.5);
}
.article .cta-box h3 { font-size: 22px; margin-bottom: 8px; }
.article .cta-box p { font-size: 14px; color: var(--text-low); margin-bottom: 22px; }

/* ============ 移动端 ============ */
.menu-toggle { display: none; background: none; border: none; color: var(--gold-light); font-size: 24px; cursor: pointer; }
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0;
    background: rgba(10, 16, 48, 0.98); border-bottom: 1px solid var(--line); padding: 16px 24px;
  }
  .menu-toggle { display: block; }
  .stats { gap: 24px; }
  .pricing-card.featured { transform: none; }
  .hero { padding: 56px 0 44px; }
}

/* ============ 截图画廊 / 素材展示 ============ */
.shot-grid {
  display: grid;
  gap: 14px;
  align-items: start;
  grid-template-columns: repeat(4, 1fr);
}
.shot-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.shot-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.shot-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.shot {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: #0a1230;
  cursor: zoom-in;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
/* 图片按原始比例展示（横版截图不再被裁成竖版） */
.shot img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .4s;
}
/* 竖版聊天截图专用：统一比例，顶部内容优先可见 */
.shot-tall img {
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}
.shot:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hi);
  box-shadow: 0 18px 40px rgba(0,0,0,0.55);
}
.shot:hover img { transform: scale(1.05); }

/* 收益展示（竖版手机截图，按比例做成整齐手机卡） */
.income-show { display: grid; gap: 22px; align-items: start; grid-template-columns: repeat(2, minmax(0, 300px)); justify-content: center; }
.income-show .shot { border-radius: 18px; }
.income-show .shot img {
  aspect-ratio: 10 / 17;
  object-fit: cover;
  object-position: top;
  height: auto;
}

/* ============ 资料封面卡（对标开悟岛资料中心） ============ */
.cover-grid { display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
.cover-card {
  display: flex; flex-direction: column;
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.cover-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-hi);
  box-shadow: var(--card-shadow-hi);
}
.cover-card .cover { aspect-ratio: 16 / 9; overflow: hidden; background: #0a1230; }
.cover-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.cover-card:hover .cover img { transform: scale(1.06); }
.cover-card .info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cover-card h3 { font-size: 15px; line-height: 1.45; }
.cover-card .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.cover-card .date { font-size: 12px; color: var(--text-low); margin-top: auto; }

/* 小缩略图网格（证据截图，6列小图不占屏） */
.mini-grid { display: grid; gap: 10px; grid-template-columns: repeat(6, 1fr); }
.mini-grid .shot { border-radius: 8px; }
.mini-grid .shot img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
  height: auto;
}

@media (max-width: 860px) {
  .cover-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 视频卡片 */
.video-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: #0a1230;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.video-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-border-hi);
  box-shadow: 0 20px 44px rgba(0,0,0,0.6);
}
.video-card .v-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
/* 文字封面（无合适截图时用，品牌金大字） */
.video-card .v-text {
  width: 100%; aspect-ratio: 16 / 9;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background:
    radial-gradient(500px 260px at 50% -10%, rgba(42, 64, 158, 0.55), transparent 70%),
    linear-gradient(160deg, var(--card-top), var(--card-bot));
}
.video-card .v-text .vt-title {
  font-size: 22px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(100deg, #e8d5b0, #d9b87a, #c8a45c);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.video-card .v-text .vt-sub { font-size: 11px; color: var(--text-low); letter-spacing: 3px; }

/* 资料库引导横幅 */
.lib-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 22px; padding: 22px 28px;
  border-radius: var(--radius); border: 1px solid var(--card-border);
  background: linear-gradient(120deg, rgba(212, 175, 55, 0.14), rgba(22, 37, 90, 0.5));
  box-shadow: var(--card-shadow);
  transition: border-color .25s, transform .25s;
}
.lib-banner:hover { border-color: var(--card-border-hi); transform: translateY(-3px); }
.lib-banner .lb-text h3 { font-size: 19px; margin-bottom: 4px; }
.lib-banner .lb-text p { font-size: 13px; color: var(--text-low); }
.video-card video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #000; z-index: 5; }
.video-card .v-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 60px; height: 60px; border-radius: 50%;
  background: rgba(212, 175, 55, 0.92);
  display: grid; place-items: center;
  font-size: 22px; color: #0a1030;
  pointer-events: none;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.6);
  transition: transform .2s;
}
.video-card:hover .v-play { transform: translate(-50%, -50%) scale(1.12); }
.video-card .v-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(6,10,30,0.9));
  font-size: 14px; font-weight: 600;
  pointer-events: none;
}

/* 大图展示（交付/抓包UI等单图） */
.wide-shot {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--card-border);
  cursor: zoom-in;
  transition: border-color .25s, box-shadow .25s;
}
.wide-shot img { width: 100%; height: auto; }
.wide-shot:hover { border-color: var(--card-border-hi); box-shadow: 0 20px 50px rgba(0,0,0,0.55); }

/* 图片 lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(4, 8, 22, 0.92);
  display: none; align-items: center; justify-content: center;
  padding: 32px; cursor: zoom-out;
}
.lightbox.show { display: flex; }
.lightbox img { max-width: 100%; max-height: 92vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,0.7); }

/* 移动端 */
@media (max-width: 860px) {
  .shot-grid { grid-template-columns: repeat(3, 1fr); }
  .shot-grid.cols-2, .shot-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .income-show { grid-template-columns: 1fr; }
}

/* ============ 入口导航卡（一屏决策） ============ */
.entry-grid { display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
.entry-card {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--card-shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.entry-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-border-hi);
  box-shadow: var(--card-shadow-hi);
}
.entry-card .e-icon { width: 42px; height: 42px; color: var(--gold); display: grid; place-items: center; }
.entry-card .e-icon svg { width: 100%; height: 100%; }
.entry-card h3 { font-size: 18px; }
.entry-card p { font-size: 13px; color: var(--text-low); flex: 1; }
.entry-card .e-go { font-size: 13px; color: var(--gold-light); font-weight: 700; }

/* 区块"查看全部"行 */
.sec-more { text-align: center; margin-top: 26px; }
.sec-more a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 26px; border-radius: 999px;
  border: 1px solid var(--card-border); color: var(--text-mid);
  font-size: 14px; transition: all .2s;
}
.sec-more a:hover { border-color: var(--card-border-hi); color: var(--gold-light); }

/* 折叠更多截图 */
details.collapse { margin-top: 18px; }
details.collapse summary {
  cursor: pointer; text-align: center; padding: 11px 26px;
  border: 1px solid var(--card-border); border-radius: 999px;
  display: inline-block; color: var(--text-mid); font-size: 14px;
  list-style: none; transition: all .2s;
  margin-left: 50%; transform: translateX(-50%);
}
details.collapse summary::-webkit-details-marker { display: none; }
details.collapse summary:hover { border-color: var(--card-border-hi); color: var(--gold-light); }
details.collapse[open] summary { margin-bottom: 18px; }

/* 素材说明条 */
.shot-note {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-low);
  margin: 0 0 12px;
}
.shot-note b { color: var(--gold-light); }
.shot-note::before { content: "◆"; color: var(--gold); font-size: 10px; }

/* 渐入动画 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* 品牌口号 */
.slogan {
  display: inline-flex; align-items: center; gap: 14px;
  margin: 4px 0 18px;
  font-size: 13px; letter-spacing: 2.5px; font-weight: 600;
  color: var(--gold-pale);
}
.slogan::before, .slogan::after {
  content: ""; width: 40px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.slogan::after { background: linear-gradient(90deg, var(--gold), transparent); }

/* 入口卡四色独立配色 */
.entry-grid .entry-card:nth-child(1) {
  background: linear-gradient(160deg, #142e24, #0d1d17);
  border-color: rgba(96, 200, 142, 0.3);
}
.entry-grid .entry-card:nth-child(1) .e-icon { color: #7fd8a8; }
.entry-grid .entry-card:nth-child(1):hover { border-color: rgba(130, 230, 175, 0.65); box-shadow: 0 40px 76px -18px rgba(0,0,0,.8), 0 0 26px rgba(110, 210, 160, 0.12); }
.entry-grid .entry-card:nth-child(2) {
  background: linear-gradient(160deg, #15274e, #0d1830);
  border-color: rgba(104, 152, 240, 0.3);
}
.entry-grid .entry-card:nth-child(2) .e-icon { color: #8fb4ff; }
.entry-grid .entry-card:nth-child(2):hover { border-color: rgba(140, 180, 255, 0.65); box-shadow: 0 40px 76px -18px rgba(0,0,0,.8), 0 0 26px rgba(120, 165, 255, 0.12); }
.entry-grid .entry-card:nth-child(3) {
  background: linear-gradient(160deg, #0f2e35, #091d22);
  border-color: rgba(84, 190, 215, 0.3);
}
.entry-grid .entry-card:nth-child(3) .e-icon { color: #7fd4e6; }
.entry-grid .entry-card:nth-child(3):hover { border-color: rgba(120, 215, 240, 0.65); box-shadow: 0 40px 76px -18px rgba(0,0,0,.8), 0 0 26px rgba(105, 205, 230, 0.12); }
.entry-grid .entry-card:nth-child(4) {
  background: linear-gradient(160deg, #2f2614, #1d170c);
  border-color: rgba(200, 164, 92, 0.38);
}
.entry-grid .entry-card:nth-child(4) .e-icon { color: #e0c184; }
.entry-grid .entry-card:nth-child(4):hover { border-color: rgba(226, 190, 120, 0.7); box-shadow: 0 40px 76px -18px rgba(0,0,0,.8), 0 0 26px rgba(210, 175, 105, 0.14); }

/* Hero 右侧飞书项目海报 */
.hero-poster {
  position: relative; display: block; width: min(400px, 100%);
  border-radius: 18px; overflow: hidden;
  border: 2px solid rgba(200, 164, 92, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.65), 0 0 50px rgba(200, 164, 92, 0.2);
  transition: transform .3s, border-color .3s;
}
.hero-poster:hover { transform: translateY(-6px); border-color: rgba(226, 190, 120, 0.8); }
.hero-poster img { width: 100%; height: auto; display: block; }
.hero-poster .poster-tip {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  background: rgba(6, 10, 30, 0.88); color: var(--gold-light);
  font-size: 12px; padding: 6px 16px; border-radius: 999px;
  border: 1px solid var(--card-border); white-space: nowrap;
}
@media (max-width: 860px) { .hero-poster { margin: 0 auto; } }

/* ============ 思维雷达（对标开悟岛右侧动态视觉） ============ */
.radar { position: relative; width: min(460px, 100%); aspect-ratio: 1 / 1; margin: 0 auto; display: grid; place-items: center; }
.radar .rings { position: absolute; inset: 0; animation: radarSpin 60s linear infinite; }
.radar .rings svg { width: 100%; height: 100%; }
@keyframes radarSpin { to { transform: rotate(360deg); } }
.radar .core {
  position: relative; z-index: 3;
  width: 56%; aspect-ratio: 1 / 1;
  background: linear-gradient(160deg, #1c2a52, #101a3a);
  border: 1px solid var(--card-border-hi);
  border-radius: 22px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  text-align: center; padding: 20px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.6), 0 0 60px rgba(200,164,92,0.2), inset 0 1px 0 rgba(255,255,255,0.06);
}
.radar .core .rc-tag {
  font-size: 11px; letter-spacing: 3px; color: var(--gold); font-weight: 700;
}
.radar .core .rc-main {
  font-size: clamp(17px, 2.2vw, 24px); font-weight: 800; line-height: 1.3;
  background: linear-gradient(100deg, #efe0c0, #d9b87a, #c8a45c);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.radar .core .rc-sub { font-size: 12px; color: var(--text-low); letter-spacing: 1px; line-height: 1.6; }
.radar .rf {
  position: absolute; z-index: 4;
  padding: 6px 13px; border-radius: 999px;
  background: rgba(6, 10, 30, 0.82); border: 1px solid var(--card-border);
  color: var(--text-mid); font-size: 12px; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
  backdrop-filter: blur(6px);
  animation: rfFloat 5s ease-in-out infinite;
}
.radar .rf::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.radar .rf-1 { top: 12%; left: 8%; animation-delay: 0s; }
.radar .rf-2 { top: 18%; right: 4%; animation-delay: 1.2s; }
.radar .rf-3 { bottom: 16%; left: 2%; animation-delay: 2.4s; }
.radar .rf-4 { bottom: 10%; right: 8%; animation-delay: 3.6s; }
@keyframes rfFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (max-width: 860px) { .radar { width: min(340px, 100%); } }


/* 渐变裁切文字必须关闭 text-shadow：
   阴影会穿透透明填充显示出来，把金色渐变盖成灰色 */
.gold-text,
.tool-body h3,
.hx-left h1 .l2 {
  text-shadow: none;
}

/* 资料卡一行简述（可选字段） */
.cover-card .card-desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-low);
  margin: -2px 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}