/* ========== 全局变量 & 重置 ========== */
:root {
  --primary: #1798fc;
  --primary-dark: #0056b3;
  --success: #36ab60;
  --danger: #ff4757;
  --text: #333;
  --text-muted: #666;
  --bg: #f9f9f9;
  --card: #fff;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow: 0 2px 10px rgba(0,0,0,.05);
  --shadow-md: 0 4px 15px rgba(0,0,0,.1);
  --transition: .3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========== 容器 ========== */
.rich_media_wrp {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px 10px;
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: var(--radius-md);
}

/* ========== 标题（动画性能拉满） ========== */
.rich_media_title {
  font-size: 22px !important;
  font-weight: 600;
  line-height: 1.4;
  margin: 20px 0;
  padding: 10px 20px;
  background: linear-gradient(120deg,
    rgba(23,152,252,.1),
    rgba(255,255,255,.2),
    rgba(23,152,252,.15),
    rgba(0,86,179,.1)
  );
  background-size: 300% 100%;
  animation: gradientMove 6s ease infinite;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(23,152,252,.1),
              inset 0 0 20px rgba(23,152,252,.05);
  position: relative;
  border: 1px solid rgba(23,152,252,.2);
  display: grid;
  place-items: center;
  overflow: hidden;
  backdrop-filter: blur(10px);
  text-align: center;
  transform: translateZ(0);
  will-change: background-position;
}

.rich_media_title span {
  position: relative;
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 19px;
  white-space: nowrap;
}

@keyframes gradientMove {
  0%, 100% { background-position: 0 50% }
  50% { background-position: 100% 50% }
}

.rich_media_title::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(23,152,252,.1), transparent 30%);
  animation: rotate 10s linear infinite;
  transform-origin: center;
  will-change: transform;
}

@keyframes rotate {
  to { transform: rotate(360deg) }
}

.rich_media_title::after {
  content: '';
  position: absolute;
  inset: 0;
  left: -100%;
  width: 50%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
  transform: skewX(-25deg);
  animation: shine 6s ease-in-out infinite;
  will-change: left;
}

@keyframes shine {
  0% { left: -100% }
  20% { left: 200% }
  100% { left: 200% }
}

/* ========== 开发者提示 ========== */
.developer-note {
  background: linear-gradient(135deg, rgba(23,152,252,.02), rgba(23,152,252,.05));
  border: 1px solid rgba(23,152,252,.1);
  border-radius: 25px;
  padding: 15px 20px;
  margin: 15px auto 0;
  backdrop-filter: blur(2px);
  box-shadow: var(--shadow);
}

.developer-note-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.developer-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 8px rgba(23,152,252,.15);
}

.developer-title {
  font-size: 16px;
  color: var(--primary);
  font-weight: 600;
}

.developer-content {
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: .3px;
}

/* ========== 通用布局 ========== */
.center-text {
  text-align: center;
  margin: 20px 0;
}

.simulator-label {
  background: linear-gradient(135deg, rgba(23,152,252,.03), rgba(23,152,252,.08));
  border: 1px solid rgba(23,152,252,.15);
  border-radius: var(--radius-lg);
  padding: 8px 15px;
  margin: 12px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.simulator-label span {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  letter-spacing: .5px;
}

/* ========== 轮播图 ========== */
.slideshow-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: translateZ(0);
}

.slideshow-slide {
  display: none;
}

.slideshow-slide.active {
  display: block;
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from { opacity: .8; transform: scale(.98) }
  to { opacity: 1; transform: scale(1) }
}

.slideshow-slide img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  vertical-align: middle;
}

.slideshow-prev,
.slideshow-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) translateZ(0);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: bold;
  font-size: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,.4);
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.slideshow-prev { left: 15px }
.slideshow-next { right: 15px }

.slideshow-prev:hover,
.slideshow-next:hover {
  background: rgba(0,0,0,.7);
  transform: translateY(-50%) scale(1.1);
}

.slideshow-dots {
  text-align: center;
  margin-top: 10px;
}

.slideshow-dot {
  width: 20px;
  height: 20px;
  margin: 0 2px;
  background: #bbb;
  border-radius: 50%;
  display: inline-block;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
  color: #fff;
  cursor: pointer;
  transition: background .6s;
}

.slideshow-dot.active,
.slideshow-dot:hover {
  background: var(--primary);
}

/* ========== 步骤卡片 ========== */
.steps-container {
  background: linear-gradient(145deg, #fff, #f8f9fa);
  border-radius: 15px;
  box-shadow: var(--shadow);
  margin: 20px 0;
}

.step-card {
  background: var(--card);
  padding: 15px;
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  border: 1px solid rgba(23,152,252,.1);
  box-shadow: var(--shadow);
  transition: box-shadow .2s;
}

.step-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.07);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.step-number {
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 500;
}

.step-card h3 {
  font-size: 16px;
}

.step-instruction {
  font-size: 14px;
  color: var(--text-muted);
  margin: 8px 0;
}

/* ========== 关键词按钮（合并重复类） ========== */
.search-keywords {
  background: #f8f9fa;
  padding: 12px;
  border-radius: var(--radius);
  margin-top: 10px;
}

.search-keywords p {
  font-size: 14px;
  color: var(--text-muted);
}

.keyword-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.keyword-btn,
.keyword-btnn {
  background: rgba(23,152,252,.1);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 13px;
  cursor: pointer;
  transition: transform .2s, background .2s;
  border: none;
}

.keyword-btn:hover,
.keyword-btnn:hover {
  transform: translateY(-2px);
  background: rgba(23,152,252,.15);
}

/* ========== 复制弹窗 ========== */
#copy-popup {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  padding: 10px 20px;
  border-radius: 5px;
  opacity: 0;
  transition: opacity .3s;
  z-index: 1000;
  box-shadow: 0 0 10px rgba(0,0,0,.2);
}

#copy-popup.show {
  opacity: 1;
}

/* ========== 图片 ========== */
.downloadable-image,
.example-image {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
  display: block;
}

.downloadable-image {
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
}

.downloadable-image:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* ========== 提示文本 ========== */
.comment-instructions,
.final-step {
  padding: 12px;
  border-radius: var(--radius);
  margin-top: 10px;
}

.comment-instructions {
  background: #f8f9fa;
}

.comment-instructions p,
.final-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.highlight { color: var(--primary) }
.warning-text { color: var(--danger) }

.final-step {
  background: #fff9f9;
  border: 1px solid rgb(174,222,191);
}

.final-step-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.final-step-header span {
  color: var(--success);
  font-weight: 520;
}

/* ========== 奖励轮播 ========== */
.reward-slideshow-container {
  position: relative;
  margin-top: 15px;
  border-radius: var(--radius);
  overflow: hidden;
  transform: translateZ(0);
}

.reward-slideshow {
  display: flex;
  transition: transform .3s ease-in-out;
  will-change: transform;
}

.reward-slide {
  width: 100%;
  flex-shrink: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.reward-prev,
.reward-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.reward-prev { left: 10px }
.reward-next { right: 10px }

.reward-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.reward-dot {
  width: 8px;
  height: 8px;
  background: rgba(255,255,255,.5);
  border-radius: 50%;
  cursor: pointer;
  transition: background .3s;
}

.reward-dot.active {
  background: rgba(255,255,255,.9);
}

/* ========== Toast 提示 ========== */
.custom-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--card);
  min-width: 250px;
  max-width: 80%;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0,0,0,.15);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  opacity: 0;
  transition: all .3s ease;
  border-left: 4px solid transparent;
}

.custom-toast.success { border-color: var(--success) }
.custom-toast.error { border-color: var(--danger) }
.custom-toast.show { transform: translate(-50%, 0); opacity: 1 }
.custom-toast.hide { transform: translate(-50%, -20px); opacity: 0 }

.toast-icon { display: grid; place-items: center }
.custom-toast.success .toast-icon { color: var(--success) }
.custom-toast.error .toast-icon { color: var(--danger) }
.toast-message { font-size: 15px; font-weight: 500; flex: 1 }

/* ========== AI 悬浮按钮 ========== */
.mini-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 220px;
  height: 40px;
  background: var(--primary);
  border-radius: 6px;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  transition: var(--transition);
  transform: translateZ(0);
}

.mini-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,.2);
  background: var(--primary-dark);
}

.mini-btn-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 12px;
  color: #fff;
}

.monitor-icon,
.arrow-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
}

.ai-text {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
}

/* ========== 聊天样式 ========== */
.pc-visitor-header { cursor: move; user-select: none }
.pc-title-btn { transition: background .3s }
.pc-title-btn:hover { background: rgba(255,255,255,.1) }

.user-message {
  margin: 10px 0;
  display: flex;
  flex-direction: row-reverse;
}

.user-message-content {
  background: var(--primary);
  color: #fff;
  padding: 10px 12px;
  border-radius: 12px 4px 12px 12px;
  box-shadow: var(--shadow);
  max-width: 70%;
  word-break: break-word;
}

.bot-message { margin: 10px 0 }
.bot-message-content {
  max-width: 98%;
  padding: 10px 12px;
  border-radius: 4px 12px 12px 12px;
  background: var(--card);
  box-shadow: var(--shadow);
  word-break: break-word;
}

.online-status {
  font-size: 12px;
  color: var(--success);
  background: rgba(76,175,80,.1);
  padding: 2px 6px;
  border-radius: 10px;
}

.send-btn {
  padding: 8px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  height: 36px;
  font-size: 14px;
  cursor: pointer;
  transition: background .3s;
}

.send-btn:hover { background: var(--primary-dark) }

/* ========== 游戏链接 ========== */
.game-links-container {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.game-link {
  display: flex;
  align-items: center;
  padding: 12px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.game-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,.15);
  background: linear-gradient(135deg, #e9ecef, #dee2e6);
}

.game-icon { font-size: 24px; margin-right: 12px }
.game-title { flex: 1; font-weight: 500 }
.game-arrow { font-size: 18px; margin-left: 8px }

/* ========== 弹窗 ========== */
#editProfileModal .modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  width: 300px;
  box-shadow: 0 5px 15px rgba(0,0,0,.2);
}

/* ========== 聊天内容优化 ========== */
#chat_content > div > div { gap: 4px }
#chat_content > div > div > div:nth-child(2) {
  flex: 1;
  width: calc(100% - 44px);
}
#chat_content img {
  width: 36px;
  height: 36px;
  object-fit: cover;
}

/* ========== 响应式（极度精简） ========== */
@media (max-width: 576px) {
  .custom-toast { min-width: 200px; max-width: 90%; padding: 12px 16px }
  .toast-message { font-size: 14px }
  .rich_media_title { padding: 8px 15px; margin: 15px 0 }
  .rich_media_title span { font-size: 17px }
  .slideshow-prev, .slideshow-next { width: 30px; height: 30px; font-size: 14px }
  .slideshow-prev { left: 5px }
  .slideshow-next { right: 5px }
  .slideshow-dot { width: 16px; height: 16px; font-size: 10px }
  .step-card { padding: 12px 10px }
  .step-number { width: 20px; height: 20px; font-size: 12px }
  .step-card h3 { font-size: 15px }
  .search-keywords p,
  .step-instruction,
  .comment-instructions p,
  .final-step p { font-size: 13px }
  .keyword-btn, .keyword-btnn { font-size: 12px; padding: 3px 10px }
  .reward-prev, .reward-next { width: 25px; height: 25px; font-size: 12px }
  .mini-btn { width: 180px; height: 36px }
  .ai-text { font-size: 14px }
}

@media (max-width: 360px) {
  .rich_media_wrp { padding: 10px 8px }
  .rich_media_title { padding: 6px 10px }
  .rich_media_title span { font-size: 15px }
  .slideshow-dot { width: 14px; height: 14px; font-size: 8px }
  .developer-content,
  .search-keywords p,
  .step-instruction,
  .comment-instructions p,
  .final-step p { font-size: 12px }
  .mini-btn { width: 150px; height: 32px }
  .monitor-icon, .arrow-icon { width: 20px; height: 20px }
  .ai-text { font-size: 13px }
}

@media (orientation: landscape) and (max-height: 500px) {
  .rich_media_title { margin: 10px 0; padding: 6px 15px }
  .slideshow-container { max-height: 180px }
  .step-card { margin-bottom: 8px }
}