/* ============================================
   四虎 原创样式表
   品牌色系：甜蜜粉 + 深玫红 + 暖金 + 深紫褐
   设计风格：现代影视传媒 + 视频社区
   ============================================ */

/* CSS Variables */
:root {
  --tx-pink: #FF6B9D;
  --tx-rose: #C44569;
  --tx-gold: #F8B500;
  --tx-bg-light: #FFF5F7;
  --tx-dark: #2D1B30;
  --tx-text: #333333;
  --tx-text-light: #666666;
  --tx-gray: #F5F5F5;
  --tx-white: #FFFFFF;
  --tx-blue: #6C9BD2;
  --tx-purple: #9B6DB5;
  --tx-gradient: linear-gradient(135deg, #FF6B9D 0%, #C44569 50%, #F8B500 100%);
  --tx-gradient-soft: linear-gradient(135deg, #FFF5F7 0%, #FFE8EF 100%);
  --tx-shadow: 0 4px 20px rgba(196, 69, 105, 0.15);
  --tx-shadow-hover: 0 8px 30px rgba(196, 69, 105, 0.25);
  --tx-radius: 12px;
  --tx-radius-lg: 20px;
  --tx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--tx-text);
  background: var(--tx-bg-light);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--tx-pink); text-decoration: none; transition: var(--tx-transition); }
a:hover { color: var(--tx-rose); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--tx-dark); }

/* Container */
.xn7z2i5k { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.xe7zetsgs { padding: 60px 0; }
.xe7zetsgs-title {
  text-align: center;
  margin-bottom: 50px;
}
.xe7zetsgs-title h2 {
  font-size: 2rem;
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 10px;
}
.xe7zetsgs-title p {
  color: var(--tx-text-light);
  font-size: 1rem;
}

/* ========== Header / Navigation ========== */
.xz6pk8i {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  transition: var(--tx-transition);
}
.x1s9wpz {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.xge22ts4s {
  display: flex;
  align-items: center;
  gap: 10px;
}
.xge22ts4s img {
  height: 42px;
  width: auto;
}
.xge22ts4s span {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.x1s9wpz-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.x1s9wpz-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tx-text);
  transition: var(--tx-transition);
  white-space: nowrap;
}
.x1s9wpz-links a:hover, .x1s9wpz-links a.active {
  background: var(--tx-gradient);
  color: var(--tx-white);
  -webkit-text-fill-color: var(--tx-white);
}
.xm60s3p0v {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.xm60s3p0v span {
  width: 25px;
  height: 3px;
  background: var(--tx-dark);
  border-radius: 3px;
  transition: var(--tx-transition);
}

/* Search Bar */
.xemfojnc {
  background: var(--tx-white);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,107,157,0.1);
  margin-top: 70px;
}
.xsy8k8x {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  padding: 0 20px;
}
.xsy8k8x input {
  flex: 1;
  padding: 10px 18px;
  border: 2px solid #FFD6E4;
  border-radius: 25px;
  font-size: 0.95rem;
  outline: none;
  transition: var(--tx-transition);
  background: var(--tx-bg-light);
}
.xsy8k8x input:focus {
  border-color: var(--tx-pink);
  box-shadow: 0 0 0 3px rgba(255,107,157,0.15);
}
.xsy8k8x button {
  padding: 10px 24px;
  background: var(--tx-gradient);
  color: var(--tx-white);
  border: none;
  border-radius: 25px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
  transition: var(--tx-transition);
}
.xsy8k8x button:hover {
  transform: translateY(-1px);
  box-shadow: var(--tx-shadow);
}

/* ========== Hero Section ========== */
.x3m7t1fj {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--tx-dark);
}
.x3m7t1fj-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.7;
}
.x3m7t1fj-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(45,27,48,0.3) 0%, rgba(45,27,48,0.7) 100%);
}
.x3m7t1fj-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
}
.x3m7t1fj h1 {
  font-size: 2.8rem;
  color: var(--tx-white);
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.x3m7t1fj h1 em {
  font-style: normal;
  color: var(--tx-gold);
}
.x3m7t1fj p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  max-width: 650px;
  margin: 0 auto 30px;
}
.x3m7t1fj-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.xks5wk {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--tx-transition);
}
.xks5wk-primary {
  background: var(--tx-gradient);
  color: var(--tx-white);
  box-shadow: 0 4px 15px rgba(255,107,157,0.4);
}
.xks5wk-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255,107,157,0.5);
  color: var(--tx-white);
}
.xks5wk-outline {
  background: transparent;
  color: var(--tx-white);
  border: 2px solid rgba(255,255,255,0.6);
}
.xks5wk-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--tx-white);
  color: var(--tx-white);
}

/* ========== Video Cards ========== */
.xc063tgn {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.xnyruc9 {
  background: var(--tx-white);
  border-radius: var(--tx-radius);
  overflow: hidden;
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
  cursor: pointer;
}
.xnyruc9:hover {
  transform: translateY(-6px);
  box-shadow: var(--tx-shadow-hover);
}
.xe1zjp65n {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: #1a1a1a;
}
.xe1zjp65n img,
.xe1zjp65n video {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--tx-transition);
}
.xnyruc9:hover .xe1zjp65n img,
.xnyruc9:hover .xe1zjp65n video {
  transform: scale(1.05);
}
.xbywb7e {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  background: rgba(255,107,157,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--tx-transition);
}
.xbywb7e::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 3px;
}
.xnyruc9:hover .xbywb7e,
.xbywb7e.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  z-index: 5;
  cursor: pointer;
}
.x0a75s6pr {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.xrnhckl {
  padding: 14px;
}
.xrnhckl h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.xzeh9j {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--tx-text-light);
}
.xzeh9j span { display: flex; align-items: center; gap: 4px; }
.x3baf56l {
  display: inline-block;
  padding: 2px 8px;
  background: var(--tx-bg-light);
  color: var(--tx-pink);
  border-radius: 4px;
  font-size: 0.75rem;
  margin-top: 8px;
}

/* ========== Service / Feature Cards ========== */
.x8f5fw {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.xt0fcfaq1 {
  background: var(--tx-white);
  border-radius: var(--tx-radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
  border: 1px solid rgba(255,107,157,0.08);
}
.xt0fcfaq1:hover {
  transform: translateY(-5px);
  box-shadow: var(--tx-shadow-hover);
  border-color: var(--tx-pink);
}
.xrc8dm {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  background: var(--tx-gradient-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.xt0fcfaq1 h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.xt0fcfaq1 p {
  font-size: 0.9rem;
  color: var(--tx-text-light);
  line-height: 1.6;
}

/* ========== Expert Team ========== */
.xpip5th {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.xbws7s {
  background: var(--tx-white);
  border-radius: var(--tx-radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
}
.xbws7s:hover {
  transform: translateY(-5px);
  box-shadow: var(--tx-shadow-hover);
}
.xsqzul {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--tx-pink);
}
.xsqzul img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.xbws7s h3 { font-size: 1.1rem; margin-bottom: 4px; }
.xbws7s .xma6zia0d { color: var(--tx-pink); font-size: 0.85rem; margin-bottom: 10px; }
.xbws7s p { font-size: 0.85rem; color: var(--tx-text-light); margin-bottom: 14px; }
.xwc8dlf0 { display: flex; gap: 8px; justify-content: center; }
.xwc8dlf0 a {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}
.xks5wk-sm-primary {
  background: var(--tx-pink);
  color: var(--tx-white);
}
.xks5wk-sm-primary:hover { background: var(--tx-rose); color: var(--tx-white); }
.xks5wk-sm-outline {
  border: 1px solid var(--tx-pink);
  color: var(--tx-pink);
}
.xks5wk-sm-outline:hover { background: var(--tx-pink); color: var(--tx-white); }

/* ========== Partner Logos ========== */
.xjexuea9m {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  align-items: center;
}
.x5u29hl {
  background: var(--tx-white);
  padding: 18px 28px;
  border-radius: var(--tx-radius);
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  font-size: 1rem;
  font-weight: 600;
  color: var(--tx-text-light);
  transition: var(--tx-transition);
}
.x5u29hl:hover {
  box-shadow: var(--tx-shadow);
  color: var(--tx-pink);
}

/* ========== Reviews ========== */
.x3wqqy {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.xcfmqdkfq {
  background: var(--tx-white);
  border-radius: var(--tx-radius);
  padding: 24px;
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
}
.xcfmqdkfq:hover {
  box-shadow: var(--tx-shadow-hover);
}
.x7s62yc {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.xfwd5vjfc {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--tx-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}
.x9ihe3z { font-weight: 600; font-size: 0.95rem; }
.x9qzmj8ug { color: var(--tx-gold); font-size: 0.85rem; }
.x0rn2576 { font-size: 0.9rem; color: var(--tx-text-light); line-height: 1.7; }
.x5281taw { font-size: 0.8rem; color: #999; margin-top: 10px; }

/* ========== FAQ ========== */
.xadlwsmg1 { max-width: 800px; margin: 0 auto; }
.xuqtcvdaa {
  background: var(--tx-white);
  border-radius: var(--tx-radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  overflow: hidden;
}
.x3wkpeuzx {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--tx-transition);
}
.x3wkpeuzx:hover { color: var(--tx-pink); }
.x3wkpeuzx::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--tx-pink);
  transition: var(--tx-transition);
  flex-shrink: 0;
}
.xuqtcvdaa.active .x3wkpeuzx::after {
  content: '-';
}
.xg6iycjed {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 0.9rem;
  color: var(--tx-text-light);
  line-height: 1.7;
}
.xuqtcvdaa.active .xg6iycjed {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* ========== Contact Section ========== */
.xnalw8d {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: start;
}
.xki89yqob { display: flex; flex-direction: column; gap: 18px; }
.xv5as0 {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--tx-white);
  border-radius: var(--tx-radius);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.xr7ofsb {
  width: 44px;
  height: 44px;
  background: var(--tx-gradient-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.xv5as0 h4 { font-size: 0.95rem; margin-bottom: 4px; }
.xv5as0 p { font-size: 0.85rem; color: var(--tx-text-light); }
.xnu2ufxz {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.x2cuv1f {
  text-align: center;
}
.x2cuv1f img {
  width: 160px;
  height: 160px;
  border-radius: var(--tx-radius);
  margin-bottom: 8px;
}
.x2cuv1f p { font-size: 0.85rem; color: var(--tx-text-light); }

/* ========== How-To Guide ========== */
.x5k1s78dps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.x5k1s78dp {
  text-align: center;
  padding: 24px 16px;
  background: var(--tx-white);
  border-radius: var(--tx-radius-lg);
  box-shadow: var(--tx-shadow);
  position: relative;
}
.x5k1s78dp::before {
  counter-increment: step;
  content: counter(step);
  width: 40px;
  height: 40px;
  background: var(--tx-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 14px;
}
.x5k1s78dp h4 { font-size: 1rem; margin-bottom: 8px; }
.x5k1s78dp p { font-size: 0.85rem; color: var(--tx-text-light); }

/* ========== Social Share ========== */
.x6y9lxo {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.xg0sg5x {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--tx-white);
  transition: var(--tx-transition);
}
.xg0sg5x:hover { transform: translateY(-2px); color: var(--tx-white); }
.xfstf0dg { background: #07C160; }
.x5aaku { background: #E6162D; }
.xv6m1amd { background: #161823; }
.xz2sm07k { background: #FB7299; }

/* ========== Footer ========== */
.xibyc7i {
  background: var(--tx-dark);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 0;
}
.xibyc7i-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.xibyc7i-brand img { height: 40px; margin-bottom: 14px; }
.xibyc7i-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 14px; }
.xibyc7i h4 {
  color: var(--tx-white);
  font-size: 1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.xibyc7i h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--tx-pink);
}
.xibyc7i-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  font-size: 0.9rem;
  transition: var(--tx-transition);
}
.xibyc7i-links a:hover { color: var(--tx-pink); padding-left: 5px; }
.xibyc7i-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}
.xibyc7i-bottom a { color: var(--tx-pink); }

/* ========== Breadcrumb ========== */
.xiz3oreml {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--tx-text-light);
  margin-top: 70px;
}
.xiz3oreml a { color: var(--tx-pink); }
.xiz3oreml span { margin: 0 8px; color: #ccc; }

/* ========== Inner Page Hero ========== */
.xhie50 {
  background: var(--tx-gradient);
  padding: 60px 0 40px;
  text-align: center;
  margin-top: 70px;
}
.xhie50 h1 { color: var(--tx-white); font-size: 2rem; margin-bottom: 10px; }
.xhie50 p { color: rgba(255,255,255,0.85); font-size: 1rem; }

/* ========== Community Features ========== */
.xenm0a {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ========== Tags ========== */
.xjghsrf9s { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.xjghsrf9 {
  padding: 4px 12px;
  background: var(--tx-bg-light);
  color: var(--tx-pink);
  border-radius: 15px;
  font-size: 0.8rem;
  border: 1px solid rgba(255,107,157,0.2);
  transition: var(--tx-transition);
}
.xjghsrf9:hover { background: var(--tx-pink); color: var(--tx-white); }

/* ========== Stats Bar ========== */
.xwr6l25 {
  background: var(--tx-white);
  padding: 30px 0;
  border-bottom: 1px solid rgba(255,107,157,0.1);
}
.xp0a8d3 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.xdlaxhjc {
  font-size: 2rem;
  font-weight: 800;
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.x8tkz1 { font-size: 0.85rem; color: var(--tx-text-light); margin-top: 4px; }

/* ========== Animations ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.x2h2qcs { animation: fadeInUp 0.6s ease forwards; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .xc063tgn { grid-template-columns: repeat(3, 1fr); }
  .xpip5th { grid-template-columns: repeat(2, 1fr); }
  .xibyc7i-grid { grid-template-columns: repeat(2, 1fr); }
  .x5k1s78dps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .x1s9wpz-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--tx-white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  .x1s9wpz-links.active { display: flex; }
  .xm60s3p0v { display: flex; }
  .x3m7t1fj h1 { font-size: 1.8rem; }
  .x3m7t1fj { min-height: 400px; }
  .xc063tgn { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .x8f5fw { grid-template-columns: 1fr; }
  .xpip5th { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .x3wqqy { grid-template-columns: 1fr; }
  .xnalw8d { grid-template-columns: 1fr; }
  .xp0a8d3 { grid-template-columns: repeat(2, 1fr); }
  .xibyc7i-grid { grid-template-columns: 1fr; }
  .xe7zetsgs { padding: 40px 0; }
  .xe7zetsgs-title h2 { font-size: 1.5rem; }
  .x5k1s78dps { grid-template-columns: 1fr; }
  .xnu2ufxz { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .xc063tgn { grid-template-columns: 1fr; }
  .xpip5th { grid-template-columns: 1fr; }
  .x3m7t1fj h1 { font-size: 1.5rem; }
  .xks5wk { padding: 10px 22px; font-size: 0.9rem; }
}

/* ========== Lazy Load ========== */
img[data-src] { opacity: 0; transition: opacity 0.3s; }
img[data-src].loaded { opacity: 1; }

/* ========== Back to Top ========== */
.xe4h2zj {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--tx-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--tx-shadow);
  z-index: 999;
  transition: var(--tx-transition);
}
.xe4h2zj:hover { transform: translateY(-3px); }
.xe4h2zj.show { display: flex; }

/* ========== H5 Video Tag Styles ========== */
.xlez9rvd {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--tx-radius) var(--tx-radius) 0 0;
}
.xe1zjp65n {
  position: relative;
  overflow: hidden;
  border-radius: var(--tx-radius) var(--tx-radius) 0 0;
  aspect-ratio: 16/9;
  background: #1a1a1a;
}
.xe1zjp65n video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== AI Showcase ========== */
.xhrkg6u {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.xnhwrwk img {
  border-radius: var(--tx-radius-lg);
  box-shadow: var(--tx-shadow);
}
.xmmz8z7ax {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.xcoyhke {
  padding: 20px;
  background: var(--tx-bg-light);
  border-radius: var(--tx-radius);
  border-left: 4px solid var(--tx-pink);
  transition: var(--tx-transition);
}
.xcoyhke:hover {
  transform: translateX(5px);
  box-shadow: var(--tx-shadow);
}
.xcoyhke h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--tx-rose);
}
.xcoyhke p {
  font-size: 0.9rem;
  color: var(--tx-text-light);
  line-height: 1.7;
}

/* ========== Authority Section ========== */
.xpelcykt {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.x4jkeloz {
  text-align: center;
  padding: 30px 20px;
  background: var(--tx-white);
  border-radius: var(--tx-radius-lg);
  box-shadow: var(--tx-shadow);
  transition: var(--tx-transition);
}
.x4jkeloz:hover {
  transform: translateY(-5px);
  box-shadow: var(--tx-shadow-hover);
}
.x29jwgk3l {
  font-size: 2.5rem;
  margin-bottom: 15px;
}
.x4jkeloz h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--tx-dark);
}
.x4jkeloz p {
  font-size: 0.85rem;
  color: var(--tx-text-light);
  line-height: 1.7;
}

/* ========== Partner Wall ========== */
.xjexuea9m {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.x5u29hl {
  text-align: center;
  padding: 24px 16px;
  background: var(--tx-bg-light);
  border-radius: var(--tx-radius);
  font-weight: 600;
  color: var(--tx-text-light);
  font-size: 1rem;
  border: 1px solid rgba(255,107,157,0.1);
  transition: var(--tx-transition);
}
.x5u29hl:hover {
  border-color: var(--tx-pink);
  color: var(--tx-pink);
  transform: translateY(-3px);
}

/* ========== Expert Enhancements ========== */
.xe2sm2f {
  font-size: 0.8rem;
  color: var(--tx-rose);
  margin-top: 10px;
  padding: 6px 12px;
  background: rgba(255,107,157,0.08);
  border-radius: 8px;
  display: inline-block;
}
.xwc8dlf0 {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  justify-content: center;
}
.xks5wk-sm-primary {
  padding: 6px 16px;
  background: var(--tx-gradient);
  color: white;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--tx-transition);
}
.xks5wk-sm-primary:hover {
  transform: translateY(-2px);
  color: white;
}
.xks5wk-sm-outline {
  padding: 6px 16px;
  border: 1px solid var(--tx-pink);
  color: var(--tx-pink);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--tx-transition);
}
.xks5wk-sm-outline:hover {
  background: var(--tx-pink);
  color: white;
}

/* ========== Friend Links ========== */
.xo7m0m {
  background: var(--tx-dark);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.xo7m0m h5 {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  margin-bottom: 10px;
  font-weight: 500;
}
.xo7m0m-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.xo7m0m-list a {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  transition: var(--tx-transition);
}
.xo7m0m-list a:hover {
  color: var(--tx-pink);
}

/* ========== News / Article ========== */
.xu2hpw {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.xa5mtf2od {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: var(--tx-white);
  border-radius: var(--tx-radius);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: var(--tx-transition);
}
.xa5mtf2od:hover {
  box-shadow: var(--tx-shadow);
  transform: translateY(-2px);
}
.xwmt8r {
  min-width: 70px;
  text-align: center;
  padding: 10px;
  background: var(--tx-gradient-soft);
  border-radius: var(--tx-radius);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.x3wzwv {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--tx-rose);
  line-height: 1;
}
.xuc6e6 {
  font-size: 0.75rem;
  color: var(--tx-text-light);
  margin-top: 4px;
}
.xibwv6jf h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.xibwv6jf h3 a {
  color: var(--tx-dark);
}
.xibwv6jf h3 a:hover {
  color: var(--tx-pink);
}
.xibwv6jf p {
  font-size: 0.9rem;
  color: var(--tx-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}
.xmy4f8bl {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: #999;
}

/* ========== Article Content ========== */
.x0gdbbd2y {
  max-width: 800px;
  margin: 0 auto;
}
.x0gdbbd2y h2 {
  font-size: 1.4rem;
  color: var(--tx-dark);
  margin: 30px 0 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--tx-bg-light);
}
.x0gdbbd2y h3 {
  font-size: 1.1rem;
  color: var(--tx-rose);
  margin: 20px 0 10px;
}
.x0gdbbd2y p {
  font-size: 0.95rem;
  color: var(--tx-text);
  line-height: 1.8;
  margin-bottom: 15px;
}
.x0gdbbd2y ul {
  margin: 10px 0 20px 20px;
}
.x0gdbbd2y ul li {
  list-style: disc;
  font-size: 0.95rem;
  color: var(--tx-text);
  line-height: 1.8;
  margin-bottom: 6px;
}

/* ========== Responsive Additions ========== */
@media (max-width: 1024px) {
  .xpelcykt { grid-template-columns: repeat(2, 1fr); }
  .xjexuea9m { grid-template-columns: repeat(2, 1fr); }
  .xhrkg6u { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .xpelcykt { grid-template-columns: 1fr; }
  .xjexuea9m { grid-template-columns: repeat(2, 1fr); }
  .xa5mtf2od { flex-direction: column; gap: 12px; }
  .xwmt8r { flex-direction: row; gap: 8px; min-width: auto; }
  .xenm0a { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .xjexuea9m { grid-template-columns: 1fr; }
}