/* =====================================================
   抖音风 (bdkuhb.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; }
.g7li1du { text-align: center; }
.ir4qx3wp { margin-top: 32px; }
.hl { background: var(--grad-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.m4fs3w { 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 ---- */
.ofzmk {
  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;
}
.ofzmk a { color: #fff; text-decoration: underline; font-weight: 700; }
.ofzmk a:hover { opacity: 0.85; }

/* ---- 导航栏 ---- */
.j45qvo6 {
  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;
}
.n33v0kgf {
  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;
}
.nh816c8l {
  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;
}
.r55c2pd {
  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);
}
.vpebtbgs { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.l9mton9 {
  background: var(--grad-main);
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity var(--transition);
}
.l9mton9:hover { opacity: 0.88; }
.uuoyaxk {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.uuoyaxk span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- 搜索栏 ---- */
.h1twg139 {
  background: var(--clr-bg2);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px 20px;
}
.mhwdsk53 {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}
.qn7wi1 {
  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);
}
.qn7wi1:focus-within { border-color: var(--clr-primary); }
.qn7wi1 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;
}
.xnztap { background: var(--grad-main); color: #fff; }
.xnztap:hover { opacity: 0.88; color: #fff; transform: translateY(-1px); }
.c774v { background: transparent; color: var(--clr-primary); border: 1.5px solid var(--clr-primary); }
.c774v:hover { background: rgba(139,92,246,0.12); color: var(--clr-primary); }
.uncdd { background: var(--clr-accent); color: #0D0B1A; }
.uncdd:hover { opacity: 0.88; color: #0D0B1A; }
.tl049g { padding: 13px 30px; font-size: 16px; border-radius: 12px; }
.pzae7x { padding: 6px 14px; font-size: 12px; border-radius: 8px; }

/* ---- 区块 ---- */
.section { padding: 72px 0; }
.fkmsm { background: var(--clr-bg2); }
.jt8tr80q { background: var(--clr-bg); }
.rxahhow6 { background: var(--clr-bg3); }
.ts7a7z9l { text-align: center; margin-bottom: 48px; }
.ze7bin6 {
  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;
}
.zj3al { font-size: clamp(22px, 4vw, 34px); margin-bottom: 14px; }
.y55n0a { color: var(--clr-muted); font-size: 15px; max-width: 600px; margin: 0 auto; }

/* ---- Hero Banner ---- */
.y3g2yh {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.bi76m {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.y3g2yh:hover .bi76m { transform: scale(1); }
.swof47 {
  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%);
}
.g8l02ui {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.nltt9a {
  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;
}
.nltt9a .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); }
}
.qrbnxmrp {
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.15;
  margin-bottom: 20px;
  color: #fff;
}
.adt7wx5i {
  font-size: clamp(14px, 2vw, 17px);
  color: rgba(226,224,240,0.85);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.h03x2d56 { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.ogesgjcd {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(139,92,246,0.2);
}
.k1e0eev {}
.ud5j2xbh {
  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;
}
.xmq5yt { font-size: 12px; color: var(--clr-muted); margin-top: 2px; }

/* ---- 数据统计行 ---- */
.hu2348ed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.tvi78 {
  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);
}
.tvi78: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;
}
.a6zd578 { font-size: 13px; color: var(--clr-muted); }

/* ---- 视频网格 ---- */
.cou8o {
  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);
}
.z94lqj {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg3);
}
.z94lqj img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .z94lqj img { transform: scale(1.06); }
.zr2viz {
  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 .zr2viz { opacity: 1; }
.yk1ev {
  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 .yk1ev { transform: scale(1); }
.yk1ev svg { width: 24px; height: 24px; fill: #fff; margin-left: 3px; }
.bk5em6 {
  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;
}
.bk5em6.hot { background: linear-gradient(90deg,#F5C518,#FB923C); color: #0D0B1A; }
.bk5em6.new { background: linear-gradient(90deg,#00C4B4,#6C3FC8); }
.oo0il3 {
  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;
}
.to44b { 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;
}
.hj7ty9eu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.n4ash { font-size: 12px; color: var(--clr-muted); }
.au4ure1 { display: flex; gap: 10px; }
.r1ke1hm3 {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  color: var(--clr-muted);
}
.r1ke1hm3 svg { width: 13px; height: 13px; fill: var(--clr-muted); }
.hvmnznya { display: flex; gap: 6px; flex-wrap: wrap; }
.vaw32c {
  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 ---- */
.fw4ryv {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.c7wnh80l {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}
.c7wnh80l:hover {
  border-color: var(--clr-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.y9k4ge { font-size: 36px; margin-bottom: 14px; }
.rfwxq { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--clr-white); }
.wl37ce { font-size: 13px; color: var(--clr-muted); line-height: 1.7; }

/* ---- 专家卡片 ---- */
.vn99iim {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.ahfzz {
  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);
}
.ahfzz:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.lrvs7fiv {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--clr-primary);
}
.zqj40a72 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.b94cxg { font-size: 13px; color: var(--clr-accent); margin-bottom: 12px; }
.xboman { font-size: 13px; color: var(--clr-muted); line-height: 1.7; margin-bottom: 14px; }
.h7kin { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.ihfht7 {
  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;
}
.rsx1zysy { display: flex; gap: 8px; justify-content: center; }

/* ---- 合作伙伴 ---- */
.tnyy9ia6 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
}
.r9rrwx {
  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);
}
.r9rrwx:hover { border-color: var(--clr-accent); transform: translateY(-2px); }
.ysu7d { font-size: 28px; margin-bottom: 8px; }
.t98lxr { font-size: 13px; color: var(--clr-text); font-weight: 600; }

/* ---- 步骤卡片 ---- */
.i9c81f05 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.th765z5 {
  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;
}
.th765z5:hover { border-color: var(--clr-primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.ta2yq6 {
  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;
}
.fr8s6 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.z8ygmgm7 { font-size: 13px; color: var(--clr-muted); line-height: 1.7; }

/* ---- 评价卡片 ---- */
.y8jry9 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.mvuas {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}
.mvuas:hover { border-color: var(--clr-primary); box-shadow: var(--shadow-card); }
.l1vhh2d { color: var(--clr-gold); font-size: 15px; margin-bottom: 12px; letter-spacing: 2px; }
.pj3spypc { font-size: 14px; color: var(--clr-text); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.jk9773g { display: flex; align-items: center; gap: 12px; }
.cxym2 {
  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;
}
.vv5lg { font-size: 14px; font-weight: 600; color: var(--clr-white); }
.kufjswip { font-size: 12px; color: var(--clr-muted); margin-top: 2px; }

/* ---- FAQ ---- */
.gcfq9dn { 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); }
.q12lpe {
  font-size: 20px;
  color: var(--clr-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .q12lpe { transform: rotate(45deg); }
.o6smj4 {
  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 .o6smj4 { max-height: 400px; padding: 0 22px 18px; }

/* ---- 分享栏 ---- */
.c5fw038a {
  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);
}
.ho0ofhr { 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 ---- */
.kmlej4r {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-size: 13px;
  color: var(--clr-muted);
}
.kmlej4r a { color: var(--clr-muted); }
.kmlej4r a:hover { color: var(--clr-accent); }
.kmlej4r span:last-child { color: var(--clr-text); }

/* ---- 页面Banner ---- */
.dt1f4q {
  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;
}
.nz7g4e { font-size: clamp(24px, 4vw, 38px); margin-bottom: 12px; }
.bs8l5ebx { font-size: 15px; color: var(--clr-muted); max-width: 600px; margin: 0 auto; }

/* ---- 分页 ---- */
.i9d63i14 { display: flex; justify-content: center; gap: 8px; }
.uhmolxd {
  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);
}
.uhmolxd:hover, .uhmolxd.active { background: var(--clr-primary); border-color: var(--clr-primary); color: #fff; }

/* ---- 关于页面 ---- */
.gqs49mwu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.luub3q51 h3 { font-size: 18px; margin: 24px 0 10px; color: var(--clr-accent); }
.luub3q51 h3:first-child { margin-top: 0; }
.luub3q51 p { font-size: 14px; color: var(--clr-muted); line-height: 1.8; margin-bottom: 12px; }
.qlz33 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: sticky;
  top: 80px;
}

/* ---- 二维码 ---- */
.zcbnp33 { text-align: center; }
.gjegyqz { font-size: 14px; font-weight: 600; color: var(--clr-white); margin-top: 10px; }
.ztvq0s6a { font-size: 12px; color: var(--clr-muted); margin-top: 4px; }

/* ---- 页脚 ---- */
.d2mte9 {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 56px 0 0;
}
.s10vnb {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--clr-border);
}
.mntqrkv p { font-size: 13px; color: var(--clr-muted); line-height: 1.8; margin-bottom: 16px; }
.x9fst { display: flex; gap: 8px; }
.v2crh {
  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;
}
.v2crh:hover { border-color: var(--clr-primary); transform: translateY(-2px); }
.p2j3oq h4 { font-size: 14px; font-weight: 700; color: var(--clr-white); margin-bottom: 16px; }
.p2j3oq ul { display: flex; flex-direction: column; gap: 8px; }
.p2j3oq ul li a { font-size: 13px; color: var(--clr-muted); transition: color var(--transition); }
.p2j3oq ul li a:hover { color: var(--clr-accent); }
.fvah7 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  flex-wrap: wrap;
  gap: 12px;
}
.z5jqez3g { font-size: 13px; color: var(--clr-muted); }
.izy0mvx { font-size: 12px; color: var(--clr-muted); margin-top: 4px; }
.o6u6nob { display: flex; gap: 16px; }
.o6u6nob a { font-size: 12px; color: var(--clr-muted); }
.o6u6nob 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) {
  .s10vnb { grid-template-columns: 1fr 1fr; }
  .gqs49mwu { grid-template-columns: 1fr; }
  .qlz33 { 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; }
  .uuoyaxk { display: flex; }
  .l9mton9 { display: none; }
  .y3g2yh { min-height: 480px; }
  .ogesgjcd { gap: 20px; }
  .cou8o { grid-template-columns: 1fr; }
  .fw4ryv { grid-template-columns: 1fr; }
  .vn99iim { grid-template-columns: 1fr; }
  .y8jry9 { grid-template-columns: 1fr; }
  .i9c81f05 { grid-template-columns: 1fr 1fr; }
  .s10vnb { grid-template-columns: 1fr; gap: 24px; }
  .fvah7 { flex-direction: column; text-align: center; }
  .section { padding: 48px 0; }
  .mhwdsk53 { flex-direction: column; }
  .hu2348ed { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .i9c81f05 { grid-template-columns: 1fr; }
  .h03x2d56 { flex-direction: column; }
  .h03x2d56 .btn { width: 100%; }
  .hu2348ed { grid-template-columns: 1fr 1fr; }
  .tnyy9ia6 { grid-template-columns: repeat(4, 1fr); }
}