/* 糖鸽影像 · 样式表（深色主题 / 主色 #8b5cf6） */
:root {
  --primary: #8b5cf6;
  --primary-dark: #6d28d9;
  --primary-deep: #4c1d95;
  --bg: #0d0b1a;
  --bg-soft: #131024;
  --card: #1b1731;
  --card-hover: #221c3d;
  --border: #2c2650;
  --text: #ece9fb;
  --muted: #a79fd0;
  --gold: #fbbf24;
  --radius: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 12% 8%, rgba(139, 92, 246, .16), transparent 60%),
    radial-gradient(700px 500px at 88% 86%, rgba(109, 40, 217, .12), transparent 60%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 11, 26, .84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; gap: 26px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.brand .logo-emoji { font-size: 26px; }
.brand .brand-name {
  background: linear-gradient(90deg, #c4b5fd, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links { display: flex; gap: 20px; flex: 1; font-size: 15px; color: var(--muted); overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { padding: 6px 2px; white-space: nowrap; transition: .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-auth { display: flex; gap: 10px; white-space: nowrap; }

.btn { display: inline-block; padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: .25s; border: 1px solid transparent; cursor: pointer; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--primary); color: #c4b5fd; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 24px rgba(139, 92, 246, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(139, 92, 246, .5); }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 45%, #312e81 100%);
  border-radius: 0 0 40px 40px;
  padding: 92px 20px 82px;
  text-align: center;
}
.hero-inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }
.hero h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 900; letter-spacing: 2px; margin-bottom: 16px; color: #fff; }
.hero .sub { font-size: 17px; color: rgba(255, 255, 255, .85); margin-bottom: 36px; }
.search-box {
  display: flex;
  max-width: 560px;
  margin: 0 auto 44px;
  background: #fff;
  border-radius: 999px;
  padding: 6px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
}
.search-box input { flex: 1; border: none; outline: none; padding: 10px 20px; font-size: 15px; background: transparent; color: #1e1b2e; }
.search-box button {
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 16px;
  cursor: pointer;
}
.hero-stats { display: flex; justify-content: center; gap: 64px; flex-wrap: wrap; color: #fff; }
.hero-stats .num { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; }
.hero-stats .lbl { font-size: 13px; color: rgba(255, 255, 255, .75); margin-top: 4px; }

.particles { position: absolute; inset: 0; pointer-events: none; }
.particle { position: absolute; bottom: -14px; background: rgba(255, 255, 255, .55); border-radius: 50%; animation: floatUp linear infinite; }
@keyframes floatUp {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: .9; }
  90% { opacity: .6; }
  100% { transform: translateY(-74vh); opacity: 0; }
}

/* ===== 通用区块 ===== */
.section { padding: 72px 0; }
.sec-head { text-align: center; margin-bottom: 44px; }
.sec-head h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; margin-bottom: 10px; }
.sec-head p { color: var(--muted); font-size: 15px; }
.bar { width: 52px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), #c4b5fd); margin: 0 auto 14px; }
.bar-left { margin: 0 0 14px; }

.grid { display: grid; gap: 22px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ===== 视频卡片 ===== */
.video-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .3s;
  display: flex;
  flex-direction: column;
}
.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 16px 40px rgba(139, 92, 246, .25);
  background: var(--card-hover);
}
.cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.cover img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.video-card:hover .cover img { transform: scale(1.06); }
.play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 8, 22, .25);
  opacity: 0;
  transition: .3s;
}
.video-card:hover .play { opacity: 1; }
.play i {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(139, 92, 246, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-style: normal;
  padding-left: 4px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .4);
}
.dur {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(0, 0, 0, .72);
  color: #fff;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
}
.vbody { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.vtitle {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vdesc {
  font-size: 13px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vmeta { display: flex; align-items: center; gap: 8px; margin-top: auto; font-size: 12.5px; color: var(--muted); }
.vava { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.vname { color: var(--text); font-weight: 600; }
.vstats { margin-left: auto; white-space: nowrap; }

/* ===== 明星创作者 ===== */
.creator-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  transition: .3s;
  position: relative;
}
.creator-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: 0 16px 40px rgba(139, 92, 246, .22); }
.cava { width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 14px; border: 3px solid var(--primary); object-fit: cover; }
.star-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #3b2a00;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 700;
}
.cname { font-size: 16px; font-weight: 700; }
.cspec { font-size: 12.5px; color: var(--muted); margin: 4px 0 12px; }
.cfans {
  display: inline-block;
  font-size: 12.5px;
  color: #c4b5fd;
  background: rgba(139, 92, 246, .12);
  border: 1px solid rgba(139, 92, 246, .35);
  padding: 4px 14px;
  border-radius: 999px;
}

/* ===== 平台特色 ===== */
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; transition: .3s; }
.feature-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(139, 92, 246, .3);
}
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); }

/* ===== 数据统计区 ===== */
.stats-band {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  border-radius: 28px;
  padding: 50px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(139, 92, 246, .3);
}
.stat-item .num { font-size: 40px; font-weight: 900; color: #fff; font-variant-numeric: tabular-nums; }
.stat-item .lbl { font-size: 14px; color: rgba(255, 255, 255, .8); margin-top: 6px; }

/* ===== 用户评价 ===== */
.t-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: .3s; }
.t-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.t-stars { color: var(--gold); font-size: 15px; letter-spacing: 2px; margin-bottom: 12px; }
.t-text { font-size: 14px; color: #d9d4ef; margin-bottom: 16px; line-height: 1.7; }
.t-user { display: flex; align-items: center; gap: 10px; }
.t-ava { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.t-name { font-size: 14px; font-weight: 700; }
.t-role { font-size: 12px; color: var(--muted); }

/* ===== 成功故事 ===== */
.story-card {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: .3s;
}
.story-card:hover { transform: translateY(-5px); border-color: var(--primary); }
.story-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), #c4b5fd); }
.story-card h3 { font-size: 17px; margin-bottom: 10px; line-height: 1.5; }
.story-card p { font-size: 13.5px; color: var(--muted); }

/* ===== APP 展示区 ===== */
.app-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.app-title { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; margin-bottom: 10px; }
.app-sub { color: var(--muted); margin-bottom: 6px; }
.app-points { display: grid; gap: 18px; margin-top: 28px; }
.app-point { display: flex; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px 18px; transition: .3s; }
.app-point:hover { border-color: var(--primary); }
.app-point .pico { font-size: 26px; line-height: 1.3; }
.app-point h4 { font-size: 15px; margin-bottom: 4px; }
.app-point p { font-size: 13px; color: var(--muted); }
.phone {
  width: 270px;
  margin: 0 auto;
  background: #0a0817;
  border: 10px solid #2a2545;
  border-radius: 44px;
  padding: 14px 10px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .5), 0 0 0 1px var(--border);
  position: relative;
}
.phone .notch { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 110px; height: 22px; background: #2a2545; border-radius: 999px; z-index: 2; }
.phone .screen { border-radius: 26px; overflow: hidden; background: #151228; }
.phone .screen img { width: 100%; height: 520px; object-fit: cover; }
.phone::after { content: ""; position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); width: 96px; height: 4px; border-radius: 2px; background: #2a2545; }

/* ===== 页脚 ===== */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 56px 0 26px; margin-top: 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.f-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; margin-bottom: 14px; }
.f-about { font-size: 13.5px; color: var(--muted); max-width: 300px; line-height: 1.8; }
.f-col h4 { font-size: 15px; margin-bottom: 14px; }
.f-col a { display: block; font-size: 13.5px; color: var(--muted); padding: 5px 0; transition: .2s; }
.f-col a:hover { color: #c4b5fd; }
.copyright { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 20px; text-align: center; font-size: 13px; color: var(--muted); }

/* ===== 内页通用 ===== */
.page-hero {
  background: linear-gradient(135deg, #7c3aed, #4c1d95);
  padding: 72px 20px;
  text-align: center;
  border-radius: 0 0 36px 36px;
}
.page-hero h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 900; color: #fff; }
.page-hero p { color: rgba(255, 255, 255, .82); margin-top: 10px; font-size: 15px; }

/* 精选页筛选 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 26px; }
.filter-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: .25s;
}
.filter-btn:hover { color: var(--text); border-color: var(--primary); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(139, 92, 246, .4);
}
.filter-search { max-width: 440px; margin: 0 auto 14px; }
.filter-search input {
  width: 100%;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  outline: none;
  font-size: 14px;
  transition: .25s;
}
.filter-search input:focus { border-color: var(--primary); }
.filter-search input::placeholder { color: var(--muted); }
.result-count { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 26px; }

/* 关于页 */
.about-story { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: center; }
.story-img img { border-radius: 24px; border: 1px solid var(--border); }
.story-txt h2 { font-size: 28px; font-weight: 800; margin-bottom: 18px; }
.story-txt p { color: var(--muted); font-size: 15px; margin-bottom: 14px; line-height: 1.9; }
.value-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 30px 26px; transition: .3s; }
.value-card:hover { border-color: var(--primary); transform: translateY(-5px); }
.value-card .vico { font-size: 34px; margin-bottom: 14px; }
.value-card h3 { font-size: 17px; margin-bottom: 10px; }
.value-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.cta-box { text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: 28px; padding: 56px 30px; }
.cta-box h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; margin-bottom: 12px; }
.cta-box p { color: var(--muted); margin-bottom: 26px; }

/* ===== 响应式 ===== */
@media (max-width: 1000px) {
  .grid-4, .grid-5, .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .app-wrap { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { flex-wrap: wrap; height: auto; padding: 10px 0; gap: 10px; }
  .nav-links { order: 3; width: 100%; gap: 16px; font-size: 14px; }
  .nav-auth { margin-left: auto; }
  .section { padding: 46px 0; }
  .hero { padding: 60px 16px 56px; }
  .hero-stats { gap: 34px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); padding: 36px 20px; }
  .stat-item .num { font-size: 30px; }
  .phone { width: 240px; }
  .phone .screen img { height: 440px; }
  .grid { gap: 14px; }
}