/* ============================================
   四爱 - 原创样式表
   品牌：四爱 | 域名：112731.cn
   定位：国内影视传媒公司 + 动漫社区
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --primary-dark: #1A0A2E;
  --accent-orange: #FF6B35;
  --accent-gold: #FFD700;
  --bg-deep: #0D0D1A;
  --card-bg: #1E1E3A;
  --card-hover: #2A2A50;
  --text-main: #E8E8F0;
  --text-sub: #A0A0C0;
  --text-dim: #6B6B8D;
  --border-subtle: #2E2E52;
  --gradient-warm: linear-gradient(135deg, #FF6B35, #FFD700);
  --gradient-hero: linear-gradient(160deg, #1A0A2E 0%, #0D0D1A 40%, #1E0E3E 100%);
  --gradient-card: linear-gradient(180deg, #1E1E3A, #151530);
  --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-orange);
}

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* === 头部导航 === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.ue1jqq {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.hk3be2x {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.hb7kgm {
  height: 42px;
  width: auto;
}

.vnn2n {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nism9dl {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nism9dl a {
  color: var(--text-sub);
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nism9dl a:hover,
.nism9dl a.active {
  color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.08);
}

.noeed {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.noeed span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* === 搜索栏 === */
.dkng2 {
  background: var(--primary-dark);
  padding: 14px 0;
  margin-top: 68px;
  border-bottom: 1px solid var(--border-subtle);
}

.jayf2e {
  display: flex;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 40px;
  overflow: hidden;
  transition: var(--transition);
}

.jayf2e:focus-within {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.12);
}

.jayf2e input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 12px 20px;
}

.jayf2e input::placeholder {
  color: var(--text-dim);
}

.jayf2e button {
  background: var(--gradient-warm);
  border: none;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 28px;
  cursor: pointer;
  transition: var(--transition);
}

.jayf2e button:hover {
  opacity: 0.9;
}

/* === Hero Banner === */
.prp2v94 {
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 80px 0 60px;
}

.zgvf77o5 {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.zgvf77o5 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.w2cj54x {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.ocn65 {
  flex: 1;
}

.ocn65 h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.ocn65 h1 .ckk7gtg {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ocn65 .oecm6 {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 28px;
  max-width: 520px;
}

.ocn65 .a4dom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.ocn65 .a4dom span {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.25);
  color: var(--accent-gold);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.bua0ogd {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-warm);
  color: #fff;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: 40px;
  font-size: 1rem;
  box-shadow: var(--shadow-gold);
  transition: var(--transition);
}

.bua0ogd:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(255, 215, 0, 0.3);
  color: #fff;
}

.tflpx6t6 {
  flex: 0 0 380px;
}

.tflpx6t6 img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* === 面包屑 === */
.o1u7c {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.o1u7c a {
  color: var(--text-sub);
}

.o1u7c span {
  margin: 0 6px;
}

/* === 通用模块标题 === */
.oovh8ld0 {
  text-align: center;
  margin-bottom: 48px;
}

.oovh8ld0 h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.oovh8ld0 h2 .kht223 {
  color: var(--accent-gold);
}

.oovh8ld0 p {
  color: var(--text-sub);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* === 动漫视频卡片网格 === */
.ku3ab {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-gold);
}

.video-card .trv1e95 {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.video-card .trv1e95 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .trv1e95 img {
  transform: scale(1.08);
}

.video-card .p5h5nx {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px;
  height: 60px;
  background: rgba(255, 107, 53, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.video-card:hover .p5h5nx {
  transform: translate(-50%, -50%) scale(1);
}

.video-card .p5h5nx::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: 3px;
}

.video-card .lfbjq {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.85);
}

.video-card .lfbjq span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.video-card .uk5fj {
  padding: 14px;
}

.video-card .uk5fj h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card .uk5fj .yrpssbya {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.video-card .uk5fj .thhwe6 {
  background: rgba(255, 215, 0, 0.1);
  color: var(--accent-gold);
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
}

/* === 模块区块 === */
.rzj3yie {
  padding: 72px 0;
}

.rzj3yie:nth-child(even) {
  background: var(--primary-dark);
}

/* === 影视传媒模块 === */
.mrk8djo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.k3pthos {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.k3pthos:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.15);
}

.k3pthos .fufpq {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  background: var(--gradient-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.k3pthos h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.k3pthos p {
  font-size: 0.9rem;
  color: var(--text-sub);
}

/* === AI赋能模块 === */
.s2clj6 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.s2clj6 .ovval6 img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.s2clj6 .tfdpa1cv h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.s2clj6 .tfdpa1cv p {
  color: var(--text-sub);
  margin-bottom: 12px;
}

.rxuo6l {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.rxuo6l .v5klx5hc {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: rgba(255, 215, 0, 0.05);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-gold);
}

.rxuo6l .v5klx5hc .sf5h5l4y {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--gradient-warm);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.rxuo6l .v5klx5hc h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.rxuo6l .v5klx5hc p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0;
}

/* === 专家团队 === */
.z8doo5 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.xo5d4hnd {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.xo5d4hnd:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-gold);
}

.xo5d4hnd .b78fz {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.xo5d4hnd .b78fz img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.xo5d4hnd:hover .b78fz img {
  transform: scale(1.05);
}

.xo5d4hnd .yscoup6c {
  padding: 20px;
}

.xo5d4hnd .yscoup6c h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.xo5d4hnd .yscoup6c .lm92om {
  color: var(--accent-gold);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.xo5d4hnd .yscoup6c p {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 14px;
}

.xo5d4hnd .uh5mjff6 {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.xo5d4hnd .uh5mjff6 a {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
}

.almsd9v {
  background: var(--gradient-warm);
  color: #fff !important;
}

.oumacf {
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
}

.oumacf:hover {
  background: var(--accent-gold);
  color: var(--bg-deep) !important;
}

/* === 社区功能 === */
.iajw3k6 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.vt763c9 {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.vt763c9:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.vt763c9 .aqbin {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.vt763c9 h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.vt763c9 p {
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* === 合作品牌 === */
.ojw0tjq img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* === 用户评论 === */
.j2cp0s {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.w2f6ew5g {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.w2f6ew5g:hover {
  border-color: var(--accent-gold);
}

.piv5k846 {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.hj736e {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.piv5k846 .h7v605nv {
  font-weight: 600;
  font-size: 0.95rem;
}

.piv5k846 .wph0pgd {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.ac3pg {
  color: var(--accent-gold);
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.w2f6ew5g p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* === FAQ === */
.ns9y9mv4 {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: var(--accent-gold);
}

.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent-gold);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question::after {
  content: "-";
}

.gz46o {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .gz46o {
  max-height: 300px;
}

.odv23x {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.8;
}

/* === 联系我们 === */
.d9kxfmun {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.oveedgz0 {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
}

.oveedgz0 h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--accent-gold);
}

.hq7fr {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.hq7fr .s9piy8af {
  color: var(--text-dim);
  min-width: 80px;
  flex-shrink: 0;
}

.hq7fr .tqgqm {
  color: var(--text-main);
}

.d3d93fh {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.iqhzf {
  text-align: center;
}

.iqhzf img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.iqhzf p {
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* === 社交分享 === */
.fb4sl {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
}

.fb4sl span {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}

.share-btn:hover {
  background: var(--accent-gold);
  color: var(--bg-deep);
  border-color: var(--accent-gold);
}

/* === 页脚 === */
.raiwwaaa {
  background: var(--primary-dark);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 0;
}

.rhkxa5t {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 40px;
}

.fbfz1 .zqo8rq7d {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.fbfz1 .zqo8rq7d img {
  height: 36px;
}

.fbfz1 p {
  font-size: 0.9rem;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.ltrvlc1n h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-gold);
}

.ltrvlc1n ul li {
  margin-bottom: 10px;
}

.ltrvlc1n ul li a {
  color: var(--text-sub);
  font-size: 0.9rem;
}

.ltrvlc1n ul li a:hover {
  color: var(--accent-gold);
}

.i36y1sjm {
  border-top: 1px solid var(--border-subtle);
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.i36y1sjm .h5ezrnam {
  margin-top: 6px;
  color: var(--text-sub);
}

/* === How-To指南 === */
.cxy8y {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.i9olr6c4 {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  position: relative;
}

.i9olr6c4 .fy0p8mj7 {
  width: 40px;
  height: 40px;
  background: var(--gradient-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin: 0 auto 14px;
}

.i9olr6c4 h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.i9olr6c4 p {
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* === 内页通用 === */
.mq80em {
  background: var(--gradient-hero);
  padding: 40px 0;
  text-align: center;
}

.mq80em h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.mq80em p {
  color: var(--text-sub);
  font-size: 1rem;
}

.awmtl {
  padding: 48px 0;
}

/* === 标签云 === */
.nkum81ou {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.nkum81ou a {
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.2);
  color: var(--accent-gold);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.nkum81ou a:hover {
  background: var(--accent-gold);
  color: var(--bg-deep);
}

/* === 分页 === */
.jiyy0sz {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.jiyy0sz a, .jiyy0sz span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 0.9rem;
  transition: var(--transition);
}

.jiyy0sz a:hover, .jiyy0sz .wk4n5rt {
  background: var(--accent-gold);
  color: var(--bg-deep);
  border-color: var(--accent-gold);
}

/* === MCP前端占位 === */
.jxpdfh9 {
  background: var(--card-bg);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 20px;
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .ku3ab {
    grid-template-columns: repeat(3, 1fr);
  }
  .rhkxa5t {
    grid-template-columns: repeat(2, 1fr);
  }
  .w2cj54x {
    flex-direction: column;
    text-align: center;
  }
  .tflpx6t6 {
    flex: 0 0 auto;
    max-width: 320px;
  }
  .ocn65 .a4dom {
    justify-content: center;
  }
  .s2clj6 {
    grid-template-columns: 1fr;
  }
  .z8doo5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cxy8y {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nism9dl {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(13, 13, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .main-nav.open {
    display: flex;
  }
  .nism9dl a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }
  .noeed {
    display: flex;
  }
  .ku3ab {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .mrk8djo {
    grid-template-columns: 1fr;
  }
  .iajw3k6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .j2cp0s {
    grid-template-columns: 1fr;
  }
  .d9kxfmun {
    grid-template-columns: 1fr;
  }
  .rhkxa5t {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .ocn65 h1 {
    font-size: 1.8rem;
  }
  .oovh8ld0 h2 {
    font-size: 1.5rem;
  }
  .z8doo5 {
    grid-template-columns: 1fr;
  }
  .cxy8y {
    grid-template-columns: 1fr;
  }
  .d3d93fh {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .ku3ab {
    grid-template-columns: 1fr;
  }
  .iajw3k6 {
    grid-template-columns: 1fr;
  }
}

/* === 懒加载 === */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded,
img.loaded {
  opacity: 1;
}

/* === 动画 === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}