/* ============================================
   91 - 原创赛博朋克主题样式表
   品牌：91 | 域名：pyyxm.cn
   配色方案：深邃夜蓝 + 霓虹粉 + 赛博青
   ============================================ */

/* === CSS变量定义 === */
:root {
  --bg-primary: #0a0e27;
  --bg-secondary: #141832;
  --bg-card: #1a1f42;
  --bg-card-hover: #222856;
  --neon-pink: #ff2d78;
  --neon-cyan: #00f0ff;
  --neon-purple: #7b2ff7;
  --neon-orange: #ff6b35;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a8c8;
  --text-muted: #6b7394;
  --border-color: #1e2a5a;
  --border-glow: #00f0ff33;
  --gradient-main: linear-gradient(135deg, #ff2d78, #7b2ff7, #00f0ff);
  --gradient-card: linear-gradient(145deg, #1a1f42, #141832);
  --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
  --shadow-pink: 0 0 20px rgba(255, 45, 120, 0.15);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 全局重置 === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--neon-pink);
  text-shadow: 0 0 8px rgba(255, 45, 120, 0.5);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* === 容器 === */
.qcbff {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.thne17xe {
  padding: 80px 0;
}

/* === 头部导航 === */
.uj2mnudr {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.incyin7z {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.b8wazai {
  display: flex;
  align-items: center;
  gap: 10px;
}

.b8wazai img {
  height: 42px;
  width: auto;
}

.b8wazai span {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.edmd2l5 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.edmd2l5 a {
  padding: 8px 16px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.edmd2l5 a:hover,
.edmd2l5 a.xfm9umex {
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
}

.ti4neyu {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* === 搜索框 === */
.sqm0c1 {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  margin-top: 72px;
}

.sqm0c1 .qcbff {
  display: flex;
  justify-content: center;
}

.i34hyv6o {
  display: flex;
  align-items: center;
  max-width: 640px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--transition);
}

.i34hyv6o:focus-within {
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
}

.i34hyv6o input {
  flex: 1;
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.i34hyv6o input::placeholder {
  color: var(--text-muted);
}

.i34hyv6o button {
  padding: 12px 28px;
  background: var(--gradient-main);
  border: none;
  color: #fff;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

.i34hyv6o button:hover {
  opacity: 0.85;
}

/* === Hero Banner === */
.c33srgd {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0d1233 100%);
}

.retbo6m0 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: blur(2px);
}

.brlt1uip {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 60px 20px;
}

.brlt1uip h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.brlt1uip h1 .s0w94f {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brlt1uip p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.r4k9e {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === 按钮 === */
.hseimn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.hseimn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 45, 120, 0.3);
  color: #fff;
}

.slfinnj {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.slfinnj:hover {
  background: rgba(0, 240, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon);
  color: var(--neon-cyan);
}

/* === 区块标题 === */
.vn6kzy {
  text-align: center;
  margin-bottom: 48px;
}

.vn6kzy h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.vn6kzy h2 .t10buyzv {
  color: var(--neon-cyan);
}

.vn6kzy p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.xrnu7c {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* === 视频卡片网格 === */
.fhhgu {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.zwu339gs {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.zwu339gs:hover {
  transform: translateY(-6px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
}

.dvattdh7 {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.dvattdh7 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.zwu339gs:hover .dvattdh7 img {
  transform: scale(1.05);
  filter: brightness(0.7);
}

.ie3eif {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.3);
}

.zwu339gs:hover .ie3eif {
  opacity: 1;
}

.hwyqr {
  width: 56px;
  height: 56px;
  background: rgba(255, 45, 120, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.hwyqr::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

.zwu339gs:hover .hwyqr {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(255, 45, 120, 0.5);
}

.pif0n {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
}

.t2ps6nf {
  padding: 14px 16px;
}

.t2ps6nf h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ux51azhe {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.ux51azhe span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* === 特色模块卡片 === */
.nwirq {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.wttme {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  text-align: center;
}

.wttme:hover {
  transform: translateY(-4px);
  border-color: var(--neon-pink);
  box-shadow: var(--shadow-pink);
}

.oo9xltj {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.wttme h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.wttme p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === 图文展示区 === */
.os5c9g {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 60px;
}

.os5c9g.npvbrl0 {
  flex-direction: row-reverse;
}

.td1312 {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.td1312 img {
  width: 100%;
  transition: var(--transition);
}

.td1312:hover img {
  transform: scale(1.03);
}

.vwmi5 {
  flex: 1;
}

.vwmi5 h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.vwmi5 p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* === 专家团队 === */
.tqdyd {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.zmveeq {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.zmveeq:hover {
  transform: translateY(-4px);
  border-color: var(--neon-purple);
  box-shadow: 0 0 20px rgba(123, 47, 247, 0.2);
}

.f0p7a7bf {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.f0p7a7bf img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zmveeq h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.zmveeq .boioxb {
  font-size: 0.85rem;
  color: var(--neon-pink);
  margin-bottom: 12px;
}

.zmveeq p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ng25hcty {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* === FAQ === */
.c0v8wcw {
  max-width: 800px;
  margin: 0 auto;
}

.kvhd7zja {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.kvhd7zja:hover {
  border-color: var(--neon-cyan);
}

.j8iyc {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
  user-select: none;
}

.j8iyc::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--neon-cyan);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.kvhd7zja.xfm9umex .j8iyc::after {
  content: '-';
  color: var(--neon-pink);
}

.poume {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.kvhd7zja.xfm9umex .poume {
  max-height: 300px;
}

.b66o55 {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* === 用户评论 === */
.ya08al3 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.zs1t8wy {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.zs1t8wy:hover {
  border-color: var(--neon-pink);
}

.m8wcffgz {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.bl9zx2xx {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.t7erjf68 h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.t7erjf68 .ltauq {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.g1ngu6 {
  color: #ffd700;
  font-size: 0.9rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.zs1t8wy p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === 合作品牌 === */
.is20tc {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
}

.vquuxh {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.vquuxh:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* === 社交分享 === */
.eront187 {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.w591rf8 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: var(--transition);
  cursor: pointer;
}

.w591rf8:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
}

/* === 页脚 === */
.lrgk29 {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.qj291 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.da30e p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 12px;
}

.it94v4k h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.it94v4k a {
  display: block;
  padding: 4px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.it94v4k a:hover {
  color: var(--neon-cyan);
}

.xdgxh1ow {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

.j9njrl1 {
  text-align: center;
}

.j9njrl1 img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.j9njrl1 span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.wrwl7po {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.wrwl7po a {
  color: var(--text-muted);
}

.wrwl7po a:hover {
  color: var(--neon-cyan);
}

/* === 面包屑栏 === */
.t4bahkx4 {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  margin-top: 72px;
}

.t4bahkx4 + .sqm0c1 {
  margin-top: 0;
}

/* === 面包屑 === */
.ak3a9q {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ak3a9q a {
  color: var(--text-muted);
}

.ak3a9q a:hover {
  color: var(--neon-cyan);
}

.ak3a9q span {
  margin: 0 8px;
}

/* === 内页通用 === */
.h82spt {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-secondary);
}

.h82spt img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hlkox {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hlkox h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.hlkox p {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.rlkco {
  padding: 48px 0 80px;
}

/* === 标签 === */
.i27uodm {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.mg58d0v {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(123, 47, 247, 0.12);
  color: var(--neon-purple);
  border-radius: 50px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.mg58d0v:hover {
  background: rgba(123, 47, 247, 0.25);
}

/* === 联系信息卡片 === */
.h1bqf7a {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.xcw2n {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.xcw2n:hover {
  border-color: var(--neon-cyan);
}

.xcw2n h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--neon-cyan);
}

.ti8e5 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.ti8e5 strong {
  color: var(--text-primary);
  min-width: 80px;
}

/* === How-To 指南 === */
.afbeuo {
  max-width: 700px;
  margin: 0 auto;
}

.pocv3c {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.ofu51 {
  width: 48px;
  height: 48px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.j613evh h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.j613evh p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === 数据统计区块 === */
.tt4mwp {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

/* === 数据统计 === */
.c3zh2q {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.xvfp2 {
  text-align: center;
}

.xvfp2 .dufbvl2 {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.xvfp2 .eptlg78k {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* === 动画效果 === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 240, 255, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 240, 255, 0.4); }
}

.g95erbi3 {
  animation: fadeInUp 0.6s ease forwards;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .fhhgu {
    grid-template-columns: repeat(3, 1fr);
  }
  .qj291 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .edmd2l5 {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
  }
  .edmd2l5.xfm9umex {
    display: flex;
  }
  .edmd2l5 a {
    padding: 12px 16px;
    width: 100%;
    text-align: center;
  }
  .ti4neyu {
    display: block;
  }
  .brlt1uip h1 {
    font-size: 1.8rem;
  }
  .fhhgu {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .nwirq {
    grid-template-columns: 1fr;
  }
  .tqdyd {
    grid-template-columns: 1fr;
  }
  .ya08al3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .os5c9g,
  .os5c9g.npvbrl0 {
    flex-direction: column;
  }
  .h1bqf7a {
    grid-template-columns: 1fr;
  }
  .qj291 {
    grid-template-columns: 1fr;
  }
  .thne17xe {
    padding: 48px 0;
  }
  .vn6kzy h2 {
    font-size: 1.5rem;
  }
  .c3zh2q {
    gap: 24px;
  }
  .xvfp2 .dufbvl2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .fhhgu {
    grid-template-columns: 1fr;
  }
  .ya08al3 {
    grid-template-columns: 1fr;
  }
  .brlt1uip h1 {
    font-size: 1.5rem;
  }
  .r4k9e {
    flex-direction: column;
    align-items: center;
  }
  .i34hyv6o {
    flex-direction: column;
    border-radius: var(--radius-md);
  }
  .i34hyv6o button {
    width: 100%;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }
}

/* === 懒加载占位 === */
img[loading="lazy"] {
  background: var(--bg-card);
  min-height: 100px;
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
}