/* =====================================================
   陈美娇 (bdlubz.cn) - 原创主样式表
   设计风格：暗色系 + 紫青渐变 + 游戏科技感
   ===================================================== */

/* ---- CSS变量 ---- */
:root {
  --clr-bg:       #0D0B1A;
  --clr-bg2:      #13102A;
  --clr-bg3:      #1A1630;
  --clr-card:     #1E1A36;
  --clr-border:   #2E2850;
  --clr-primary:  #8B5CF6;
  --clr-accent:   #00C4B4;
  --clr-gold:     #F5C518;
  --clr-orange:   #FB923C;
  --clr-text:     #E2E0F0;
  --clr-muted:    #8880A8;
  --clr-white:    #FFFFFF;
  --grad-main:    linear-gradient(135deg, #6C3FC8 0%, #00C4B4 100%);
  --grad-card:    linear-gradient(135deg, #1E1A36 0%, #231F42 100%);
  --shadow-card:  0 4px 24px rgba(139,92,246,0.12);
  --shadow-hover: 0 8px 40px rgba(139,92,246,0.28);
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --transition:   0.25s cubic-bezier(.4,0,.2,1);
  --font-main:    'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

/* ---- 重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; color: var(--clr-white); }

/* ---- 工具类 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.ob6p4tut { text-align: center; }
.gjmwd { margin-top: 32px; }
.hl { background: var(--grad-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.duxvn9k { background: var(--grad-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ---- 淡入动画 ---- */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- 顶部公告 ---- */
.yymey1o {
  background: linear-gradient(90deg, #6C3FC8 0%, #00C4B4 100%);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.yymey1o a { color: #fff; text-decoration: underline; font-weight: 700; }
.yymey1o a:hover { opacity: 0.85; }

/* ---- 导航栏 ---- */
.abrhal {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,11,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0;
}
.rt5psq9 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}
.m8kewn {
  font-size: 18px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.2;
}
.w4lhxy58 {
  font-size: 11px;
  color: var(--clr-muted);
  display: block;
  line-height: 1.2;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  color: var(--clr-text);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--clr-primary);
  background: rgba(139,92,246,0.12);
}
.upd9yqs3 { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.o2liruol {
  background: var(--grad-main);
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity var(--transition);
}
.o2liruol:hover { opacity: 0.88; }
.w58grlkw {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.w58grlkw span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- 搜索栏 ---- */
.tg66mx {
  background: var(--clr-bg2);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px 20px;
}
.ygs7h {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}
.v887tk {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  padding: 0 14px;
  gap: 8px;
  transition: border-color var(--transition);
}
.v887tk:focus-within { border-color: var(--clr-primary); }
.v887tk svg { width: 18px; height: 18px; flex-shrink: 0; }
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--clr-text);
  font-size: 14px;
  padding: 10px 0;
  font-family: var(--font-main);
}
.search-input::placeholder { color: var(--clr-muted); }
.search-btn {
  background: var(--grad-main);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity var(--transition);
  font-family: var(--font-main);
}
.search-btn:hover { opacity: 0.88; }
.search-tags {
  max-width: 700px;
  margin: 8px auto 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.search-tag {
  font-size: 12px;
  color: var(--clr-accent);
  background: rgba(0,196,180,0.1);
  border: 1px solid rgba(0,196,180,0.25);
  border-radius: 20px;
  padding: 3px 10px;
  cursor: pointer;
  transition: all var(--transition);
}
.search-tag:hover { background: rgba(0,196,180,0.2); }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  font-family: var(--font-main);
  padding: 10px 22px;
}
.x65syk { background: var(--grad-main); color: #fff; }
.x65syk:hover { opacity: 0.88; color: #fff; transform: translateY(-1px); }
.lysfqwwf { background: transparent; color: var(--clr-primary); border: 1.5px solid var(--clr-primary); }
.lysfqwwf:hover { background: rgba(139,92,246,0.12); color: var(--clr-primary); }
.yjacus1k { background: var(--clr-accent); color: #0D0B1A; }
.yjacus1k:hover { opacity: 0.88; color: #0D0B1A; }
.nnk69q6 { padding: 13px 30px; font-size: 16px; border-radius: 12px; }
.xu8pop1 { padding: 6px 14px; font-size: 12px; border-radius: 8px; }

/* ---- 区块 ---- */
.section { padding: 72px 0; }
.ia6kll3 { background: var(--clr-bg2); }
.h197z { background: var(--clr-bg); }
.qkro8 { background: var(--clr-bg3); }
.w3c3cztk { text-align: center; margin-bottom: 48px; }
.vhylug {
  display: inline-block;
  background: rgba(139,92,246,0.15);
  color: var(--clr-primary);
  border: 1px solid rgba(139,92,246,0.3);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.rsfdflw9 { font-size: clamp(22px, 4vw, 34px); margin-bottom: 14px; }
.ed1x0rsk { color: var(--clr-muted); font-size: 15px; max-width: 600px; margin: 0 auto; }

/* ---- Hero Banner ---- */
.ufw0t {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.f9gcghpv {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.ufw0t:hover .f9gcghpv { transform: scale(1); }
.uubblvej {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,11,26,0.88) 0%, rgba(108,63,200,0.55) 50%, rgba(0,196,180,0.3) 100%);
}
.o8hkc7r {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.evb144nm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(139,92,246,0.2);
  border: 1px solid rgba(139,92,246,0.4);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: 20px;
}
.evb144nm .dot {
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.a6n894 {
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.15;
  margin-bottom: 20px;
  color: #fff;
}
.t6j8gpl {
  font-size: clamp(14px, 2vw, 17px);
  color: rgba(226,224,240,0.85);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.nja9b { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.pzd20l {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(139,92,246,0.2);
}
.m2928j {}
.b7efbur {
  font-size: 26px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.mu3csba { font-size: 12px; color: var(--clr-muted); margin-top: 2px; }

/* ---- 数据统计行 ---- */
.y2lkl7g {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.qaqgn {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.qaqgn:hover { border-color: var(--clr-primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 6px;
}
.a9q1ke { font-size: 13px; color: var(--clr-muted); }

/* ---- 视频网格 ---- */
.j6jmh5 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}
.video-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.ynbg2 {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg3);
}
.ynbg2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .ynbg2 img { transform: scale(1.06); }
.r9glxt {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,11,26,0.4);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .r9glxt { opacity: 1; }
.f14jyf {
  width: 56px;
  height: 56px;
  background: rgba(139,92,246,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.85);
  transition: transform var(--transition);
  box-shadow: 0 0 24px rgba(139,92,246,0.6);
}
.video-card:hover .f14jyf { transform: scale(1); }
.f14jyf svg { width: 24px; height: 24px; fill: #fff; margin-left: 3px; }
.j8ysm4 {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--clr-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  letter-spacing: 0.3px;
}
.j8ysm4.hot { background: linear-gradient(90deg,#F5C518,#FB923C); color: #0D0B1A; }
.j8ysm4.new { background: linear-gradient(90deg,#00C4B4,#6C3FC8); }
.hv3do {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}
.e4zfpg3 { padding: 14px 16px; }
.video-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-text);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.k2okozz {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.dtzj4o { font-size: 12px; color: var(--clr-muted); }
.b48x2n { display: flex; gap: 10px; }
.uefah {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  color: var(--clr-muted);
}
.uefah svg { width: 13px; height: 13px; fill: var(--clr-muted); }
.kzzex4g { display: flex; gap: 6px; flex-wrap: wrap; }
.ufcs6 {
  font-size: 11px;
  color: var(--clr-accent);
  background: rgba(0,196,180,0.1);
  border: 1px solid rgba(0,196,180,0.2);
  border-radius: 4px;
  padding: 2px 7px;
}

/* ---- 功能卡片网格 ---- */
.xmuf5ja {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.h8dgmyr {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}
.h8dgmyr:hover {
  border-color: var(--clr-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.wm38d8 { font-size: 36px; margin-bottom: 14px; }
.kcfguij { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--clr-white); }
.wexx8eg { font-size: 13px; color: var(--clr-muted); line-height: 1.7; }

/* ---- 专家卡片 ---- */
.hah9jurg {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.tllob {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
}
.tllob:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.nixd5w8r {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--clr-primary);
}
.b6uth { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.essmoxp { font-size: 13px; color: var(--clr-accent); margin-bottom: 12px; }
.w2sxd0n { font-size: 13px; color: var(--clr-muted); line-height: 1.7; margin-bottom: 14px; }
.ac0wa0 { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.jzw9vs5 {
  font-size: 11px;
  background: rgba(245,197,24,0.12);
  color: var(--clr-gold);
  border: 1px solid rgba(245,197,24,0.25);
  border-radius: 4px;
  padding: 3px 8px;
}
.d9j0w { display: flex; gap: 8px; justify-content: center; }

/* ---- 合作伙伴 ---- */
.i30j0 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
}
.iaqc8m {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  text-align: center;
  transition: all var(--transition);
}
.iaqc8m:hover { border-color: var(--clr-accent); transform: translateY(-2px); }
.yx5uzu { font-size: 28px; margin-bottom: 8px; }
.i1vz7wy { font-size: 13px; color: var(--clr-text); font-weight: 600; }

/* ---- 步骤卡片 ---- */
.eljkl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.e9khpax2 {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.e9khpax2:hover { border-color: var(--clr-primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.x19sfie {
  width: 48px;
  height: 48px;
  background: var(--grad-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 14px;
}
.yml6uwsg { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.rd4s3j1 { font-size: 13px; color: var(--clr-muted); line-height: 1.7; }

/* ---- 评价卡片 ---- */
.tbyooi {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.efn7pjk {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}
.efn7pjk:hover { border-color: var(--clr-primary); box-shadow: var(--shadow-card); }
.eom17uk { color: var(--clr-gold); font-size: 15px; margin-bottom: 12px; letter-spacing: 2px; }
.esu7cl { font-size: 14px; color: var(--clr-text); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.jt5yv813 { display: flex; align-items: center; gap: 12px; }
.h8zn8s {
  width: 40px;
  height: 40px;
  background: var(--grad-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.ls56pe { font-size: 14px; font-weight: 600; color: var(--clr-white); }
.r2vvf2w6 { font-size: 12px; color: var(--clr-muted); margin-top: 2px; }

/* ---- FAQ ---- */
.rtr5l { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--clr-primary); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--clr-white);
  gap: 12px;
  user-select: none;
}
.faq-q:hover { color: var(--clr-primary); }
.uiozi {
  font-size: 20px;
  color: var(--clr-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .uiozi { transform: rotate(45deg); }
.ao6iyc {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.8;
  padding: 0 22px;
}
.faq-item.open .ao6iyc { max-height: 400px; padding: 0 22px 18px; }

/* ---- 分享栏 ---- */
.xbil1a {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 16px 20px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.sakjnbd { font-size: 13px; color: var(--clr-muted); }
.share-btn {
  background: var(--clr-bg3);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.share-btn:hover { border-color: var(--clr-primary); color: var(--clr-primary); }

/* ---- 弹幕 ---- */
.danmaku-container {
  position: fixed;
  top: 120px;
  left: 0;
  right: 0;
  height: 60px;
  overflow: hidden;
  pointer-events: none;
  z-index: 500;
}
.danmaku-item {
  position: absolute;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  right: -100%;
  animation: danmaku-scroll linear infinite;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}
@keyframes danmaku-scroll {
  0% { right: -100%; }
  100% { right: 100%; }
}

/* ---- 面包屑 ---- */
.rau2dr {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-size: 13px;
  color: var(--clr-muted);
}
.rau2dr a { color: var(--clr-muted); }
.rau2dr a:hover { color: var(--clr-accent); }
.rau2dr span:last-child { color: var(--clr-text); }

/* ---- 页面Banner ---- */
.cai8k64 {
  background: linear-gradient(135deg, var(--clr-bg2) 0%, var(--clr-bg3) 100%);
  border-bottom: 1px solid var(--clr-border);
  padding: 48px 20px;
  text-align: center;
}
.rt8porq { font-size: clamp(24px, 4vw, 38px); margin-bottom: 12px; }
.y67vk { font-size: 15px; color: var(--clr-muted); max-width: 600px; margin: 0 auto; }

/* ---- 分页 ---- */
.cxwp53k { display: flex; justify-content: center; gap: 8px; }
.qdvij {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--clr-text);
}
.qdvij:hover, .qdvij.active { background: var(--clr-primary); border-color: var(--clr-primary); color: #fff; }

/* ---- 关于页面 ---- */
.kccd3s {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.n5b6ok5v h3 { font-size: 18px; margin: 24px 0 10px; color: var(--clr-accent); }
.n5b6ok5v h3:first-child { margin-top: 0; }
.n5b6ok5v p { font-size: 14px; color: var(--clr-muted); line-height: 1.8; margin-bottom: 12px; }
.cytsu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: sticky;
  top: 80px;
}

/* ---- 二维码 ---- */
.em3livq { text-align: center; }
.y23d78s { font-size: 14px; font-weight: 600; color: var(--clr-white); margin-top: 10px; }
.nx2wy { font-size: 12px; color: var(--clr-muted); margin-top: 4px; }

/* ---- 页脚 ---- */
.rmr7f {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 56px 0 0;
}
.qen73m6v {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--clr-border);
}
.i4ndks p { font-size: 13px; color: var(--clr-muted); line-height: 1.8; margin-bottom: 16px; }
.zcm3ky { display: flex; gap: 8px; }
.zn8prb {
  width: 36px;
  height: 36px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.zn8prb:hover { border-color: var(--clr-primary); transform: translateY(-2px); }
.ufp3nd h4 { font-size: 14px; font-weight: 700; color: var(--clr-white); margin-bottom: 16px; }
.ufp3nd ul { display: flex; flex-direction: column; gap: 8px; }
.ufp3nd ul li a { font-size: 13px; color: var(--clr-muted); transition: color var(--transition); }
.ufp3nd ul li a:hover { color: var(--clr-accent); }
.dsssr5m {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  flex-wrap: wrap;
  gap: 12px;
}
.dpbdiqq { font-size: 13px; color: var(--clr-muted); }
.iqubi6ll { font-size: 12px; color: var(--clr-muted); margin-top: 4px; }
.p3akckw { display: flex; gap: 16px; }
.p3akckw a { font-size: 12px; color: var(--clr-muted); }
.p3akckw a:hover { color: var(--clr-accent); }

/* ---- 回到顶部 ---- */
#backTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--grad-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: 0 4px 16px rgba(139,92,246,0.4);
}
#backTop.show { opacity: 1; transform: translateY(0); }
#backTop:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(139,92,246,0.5); }
#backTop svg { width: 20px; height: 20px; fill: #fff; }

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30,26,54,0.96);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 9999;
  white-space: nowrap;
  max-width: 90vw;
  text-align: center;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .qen73m6v { grid-template-columns: 1fr 1fr; }
  .kccd3s { grid-template-columns: 1fr; }
  .cytsu { position: static; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13,11,26,0.98);
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--clr-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 999;
    gap: 4px;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links a { padding: 10px 14px; font-size: 15px; border-radius: 8px; }
  .w58grlkw { display: flex; }
  .o2liruol { display: none; }
  .ufw0t { min-height: 480px; }
  .pzd20l { gap: 20px; }
  .j6jmh5 { grid-template-columns: 1fr; }
  .xmuf5ja { grid-template-columns: 1fr; }
  .hah9jurg { grid-template-columns: 1fr; }
  .tbyooi { grid-template-columns: 1fr; }
  .eljkl { grid-template-columns: 1fr 1fr; }
  .qen73m6v { grid-template-columns: 1fr; gap: 24px; }
  .dsssr5m { flex-direction: column; text-align: center; }
  .section { padding: 48px 0; }
  .ygs7h { flex-direction: column; }
  .y2lkl7g { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .eljkl { grid-template-columns: 1fr; }
  .nja9b { flex-direction: column; }
  .nja9b .btn { width: 100%; }
  .y2lkl7g { grid-template-columns: 1fr 1fr; }
  .i30j0 { grid-template-columns: repeat(4, 1fr); }
}