/* ============================================
   WOMMER 沃姆 - 全站公共样式
   头部导航 · 页脚 · 右侧悬浮 · AI客服 · 手机导航 · 通用
   ============================================ */

/* ===== 重置 & CSS变量 ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  --dark: #151E2D;
  --dark-2: #1a2538;
  --dark-3: #1e3a5f;
  --primary: #85ce03;
  --primary-dark: #6ba802;
  --primary-light: #9de035;
  --accent: #2563eb;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-white: #ffffff;
  --bg-gray: #F5F9F8;
  --bg-alt: #EDF3F1;
  --border: #D5E0DC;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.12);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior:smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color:var(--primary); text-decoration:none; transition:color var(--transition); }
a:hover { color:var(--primary-dark); }
img { max-width:100%; height:auto; display:block; }

.container { width:75%; margin:0 auto; padding:0 10px; }
.baichong-container { width:75%; margin:0 auto; padding:0 24px; }

@media(max-width:768px) {
  .container { width:100%; padding:0 10px; }
  .baichong-container { width:100%; padding:0 16px; }
}

.header-inner {
  width:75%; margin:0 auto; padding:0 10px;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:nowrap; height:100%;
}

@media(max-width:768px) {
  .header-inner { width:100%; padding:0 10px; }
}

/* ===== 头部导航 ===== */
.site-header .header-inner {
  width:75%; max-width:1920px; margin:0 auto; padding:0 32px;
}
@media(max-width:768px) {
  .site-header .header-inner { width:100%; padding:0 15px; }
}

.site-header {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:transparent;
  height:80px;
  display:flex; align-items:center;
  transition:height .35s cubic-bezier(.4,0,.2,1), background .35s cubic-bezier(.4,0,.2,1), box-shadow .35s cubic-bezier(.4,0,.2,1);
  border-bottom:1px solid transparent;
}
.site-header::after {
  content:''; position:absolute; bottom:-1px; left:10%; right:10%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(133,206,3,.25),transparent);
  opacity:0;
  transition:opacity .5s ease;
}
.site-header:hover::after { opacity:1; }
.site-header.scrolled {
  height:56px;
  background:#1E7B6F;
  box-shadow:0 4px 30px rgba(0,0,0,.25);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:rgba(133,206,3,.15);
}

.logo {
  flex-shrink:0; display:flex; align-items:center;
  position:relative;
  padding-right:20px;
}
.logo-title {
  margin:0; padding:0; font-size:0; position:absolute; width:0; height:0; overflow:hidden;
}
.logo-title a {
  color:transparent;
}
.logo::after {
  content:''; position:absolute; right:0; top:50%; transform:translateY(-50%);
  width:1px; height:28px;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.12),transparent);
}
.logo a {
  display:flex; align-items:center;
  text-decoration:none; gap:12px;
}
.logo-img {
  height:60px; width:auto;
  display:block;
  transition:height .35s cubic-bezier(.4,0,.2,1);
  filter:brightness(1.1);
}
.scrolled .logo-img { height:46px; }
.logo-text-wrap {
  display:flex; flex-direction:column; line-height:1.2;
}
.logo-brand {
  font-size:1.15rem; font-weight:700; color:#fff;
  letter-spacing:.06em;
}
.logo-tagline {
  font-size:.68rem; font-weight:400;
  color:rgba(255,255,255,.4);
  letter-spacing:.08em;
}

.main-nav {
  display:flex; align-items:center; flex:1; justify-content:flex-end;
}
.main-nav ul {
  display:flex; flex-wrap:nowrap; list-style:none; gap:0;
  justify-content:flex-end;
}
.main-nav ul li { display:flex; align-items:center; }
.main-nav a {
  display:block; padding:8px 18px;
  color:#ffffff;
  font-size:clamp(.78rem, 1vw, 1.1rem); font-weight:500;
  white-space:nowrap;
  transition:all .35s cubic-bezier(.4,0,.2,1);
  letter-spacing:.04em;
  position:relative;
}
.main-nav a::after {
  content:''; position:absolute; bottom:2px; left:50%; right:50%;
  height:2px; border-radius:2px;
  background:linear-gradient(90deg,#85ce03,#2563eb);
  transition:all .35s cubic-bezier(.4,0,.2,1);
  opacity:0;
}
.main-nav a:hover::after,
.main-nav a.active::after {
  left:18px; right:18px; opacity:1;
}
.main-nav a:hover,
.main-nav a.active { color:#fff; }
.scrolled .main-nav a {
  padding:6px 16px; font-size:clamp(.9rem, 1vw, 1.05rem); color:#ffffff;
}
.scrolled .main-nav a::after { bottom:0; }

.main-nav .has-submenu { position:relative; }
.main-nav .submenu {
  display:none; position:absolute; top:100%; left:0;
  background:rgba(15,20,35,.97);
  border:1px solid rgba(133,206,3,.15);
  border-radius:12px;
  padding:6px 0; min-width:180px;
  box-shadow:0 16px 48px rgba(0,0,0,.5);
  z-index:100;
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}
.main-nav .has-submenu:hover .submenu {
  display:block;
  animation:fadeInUp .25s ease forwards;
}
.main-nav .submenu li { display:block; }
.main-nav .submenu a {
  padding:10px 20px; font-size:.88rem;
  color:rgba(255,255,255,.6); border-radius:0;
  width:100%; box-sizing:border-box;
  white-space:nowrap;
}
.main-nav .submenu a::after { display:none; }
.main-nav .submenu a:hover {
  color:#fff; background:rgba(133,206,3,.1);
}

@keyframes fadeInUp {
  from { opacity:0; transform:translateY(-4px); }
  to { opacity:1; transform:translateY(0); }
}

.header-consult-btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 22px; margin-left:18px;
  font-size:.85rem; font-weight:600;
  color:#fff; letter-spacing:.03em;
  background:linear-gradient(135deg,#85ce03,#6ba802);
  border-radius:6px; white-space:nowrap;
  text-decoration:none;
  transition:all .35s cubic-bezier(.4,0,.2,1);
  flex-shrink:0;
  position:relative;
  overflow:hidden;
}
.header-consult-btn::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);
  transition:transform .5s ease;
  transform:translateX(-100%) skewX(-15deg);
}
.header-consult-btn:hover::before {
  transform:translateX(100%) skewX(-15deg);
}
.header-consult-btn:hover {
  background:linear-gradient(135deg,#9de035,#85ce03);
  transform:translateY(-1px);
  box-shadow:0 8px 28px rgba(133,206,3,.35);
}
.scrolled .header-consult-btn {
  padding:7px 18px; font-size:.82rem;
}

/* ===== 移动端头部布局 ===== */
@media(max-width:768px) {
  .site-header { height: 56px; }
  .logo-img { height: 32px; }
  .scrolled .logo-img { height: 28px; }
  .logo::after { display: none; }
  .logo { padding-right: 0; }
  .header-consult-btn {
    margin-left: auto;
    padding: 6px 14px;
    font-size: .78rem;
  }
}

/* ===== 移动端菜单 ===== */
.mobile-menu-toggle {
  display:none;
  flex-direction:column; justify-content:center; align-items:center;
  width:36px; height:36px; cursor:pointer;
  background:none; border:none; padding:0;
  gap:5px; flex-shrink:0;
  position:relative;
}
.mobile-menu-toggle span {
  display:block; width:20px; height:2px;
  background:rgba(255,255,255,.7);
  border-radius:2px;
  transition:all .3s ease;
}
.mobile-menu-toggle:hover span { background:#fff; }
.mobile-menu-toggle.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); background:#fff; }
.mobile-menu-toggle.open span:nth-child(2) { opacity:0; }
.mobile-menu-toggle.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); background:#fff; }

.mobile-menu-panel {
  display:none;
  position:fixed; top:0; left:0; right:0; bottom:0;
  background:rgba(12,18,32,.98);
  z-index:999;
  padding:64px 24px 20px;
  overflow-y:auto;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  animation:fadeIn .3s ease;
}
.mobile-menu-panel.open { display:block !important; }
.scrolled + .mobile-menu-panel,
.site-header.scrolled ~ .mobile-menu-panel { padding-top: 56px; }
.mobile-menu-panel ul { list-style:none; padding:0; margin:0; }
.mobile-menu-panel li { border-bottom:1px solid rgba(255,255,255,.05); }
.mobile-menu-panel li:last-child { border-bottom:none; }
.mobile-menu-panel a {
  display:block; padding:16px 4px;
  color:rgba(255,255,255,.7); font-size:1rem; font-weight:500;
  text-decoration:none; letter-spacing:.03em;
  transition:color .2s;
}
.mobile-menu-panel a:hover { color:#fff; }
.mobile-menu-panel .submenu { display:none !important; padding-left:16px; }
.mobile-menu-panel .has-submenu:hover > .submenu { display:none !important; }
.mobile-menu-panel .has-submenu.open > a { color:#fff; }
.mobile-menu-panel .has-submenu.open > .submenu { display:block !important; }
.mobile-menu-panel .submenu a { font-size:.92rem; padding:12px 4px; color:rgba(255,255,255,.55); }
.mobile-menu-panel .main-nav { display:block; }
.mobile-menu-panel .main-nav ul { display:block; }
.mobile-menu-panel .main-nav ul li { display:block; border-bottom:1px solid rgba(255,255,255,.05); }

@keyframes fadeIn {
  from { opacity:0; }
  to { opacity:1; }
}

/* ===== 通用按钮 ===== */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:16px 36px; font-size:1rem; font-weight:600;
  border-radius:8px; border:none; cursor:pointer;
  transition:all var(--transition); text-decoration:none;
}
.btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-xl); }

.btn-primary {
  background:#fff; color:#151E2D;
}
.btn-primary:hover { background:#f1f5f9; color:#151E2D; }

.btn-outline {
  background:transparent; color:#fff;
  border:2px solid rgba(255,255,255,.35);
}
.btn-outline:hover { border-color:#1e88e5; background:#1e88e5; color:#fff; }

.btn-accent {
  background:linear-gradient(135deg,#2563eb,#1d4ed8);
  color:#fff;
}
.btn-accent:hover { color:#fff; box-shadow:0 8px 25px rgba(37,99,235,.35); }

/* ===== 页脚 ===== */
.footer-container { width:75%; margin:0 auto; padding:0 10px; display:grid; grid-template-columns:1fr 1fr 1fr 1.2fr; gap:40px; }

.site-footer {
  background:#0f172a; color:#fff;
}

.footer-main { padding:60px 0 40px; }

.footer-col h3 {
  font-size:1rem; font-weight:700;
  margin-bottom:20px; color:#fff;
}
.footer-col h3 a { color:#fff; }

.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul a {
  color:rgba(255,255,255,.6);
  font-size:.9rem; transition:color var(--transition);
}
.footer-col ul a:hover { color:#fff; }

@media(max-width:768px) {
  .footer-container { width:100%; padding:0 10px; grid-template-columns:1fr; gap:0; }
  .footer-col { border-bottom:1px solid rgba(255,255,255,.06); }
  .footer-col:last-child { border-bottom:none; }
  .footer-col h3 { margin-bottom:0; font-size:.9rem; padding:10px 0; }
  .footer-col ul li { margin-bottom:4px; }
  .footer-main { padding:16px 0 12px; }
}

.contact-item {
  display:flex; align-items:center; gap:10px;
  color:rgba(255,255,255,.6); font-size:.9rem;
}
.contact-item .icon {
  width:16px; height:16px; flex-shrink:0;
  color:#fff;
}

.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;
}
.footer-friend-links {
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0; text-align:center;
  font-size:.85rem; color:rgba(255,255,255,.5);
}
.footer-friend-links .footer-container { display:block; }
.footer-friend-links .fl-label { display:inline; margin-right:6px; }
.footer-friend-links a {
  display:inline-block; margin:4px 10px;
  color:rgba(255,255,255,.55); text-decoration:none;
  transition:color .2s;
}
.footer-friend-links a:hover { color:#60a5fa; }
.footer-bottom .footer-container { display:flex; flex-direction:column; align-items:center; gap:12px; }

.footer-copyright {
  color:rgba(255,255,255,.5); font-size:.82rem;
  text-align:center; line-height:1.6;
}

.footer-keywords { text-align:center; }
.footer-keywords a {
  color:rgba(255,255,255,.4); font-size:.78rem;
  transition:color var(--transition);
}
.footer-keywords a:hover { color:rgba(255,255,255,.7); }
.footer-keywords .sep { color:rgba(255,255,255,.2); margin:0 4px; }

.loading { display:flex; align-items:center; justify-content:center; padding:40px 0; }
.loading::after { content:''; width:36px; height:36px; border:3px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ===== 页脚折叠 ===== */
:root{--cs-primary:#1a56db}
.footer-toggle{display:none}
@media(min-width:769px){.footer-sub{display:block!important}}
@media(max-width:768px){
.footer-col-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer}
.footer-toggle{display:inline-block;width:10px;height:10px;position:relative;margin-left:8px}
.footer-toggle::before,.footer-toggle::after{content:'';position:absolute;background:rgba(255,255,255,.5);border-radius:1px;transition:transform .3s}
.footer-toggle::before{width:10px;height:2px;top:4px;left:0}
.footer-toggle::after{width:2px;height:10px;top:0;left:4px}
.footer-col.active .footer-toggle::after{transform:rotate(90deg)}
.footer-col.active .footer-toggle::before{transform:rotate(180deg)}
.footer-sub{display:none}
.footer-col.active .footer-sub{display:block}
}

/* ===== 右侧悬浮客服 ===== */
.cs-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
@media(max-width:768px){.cs-float{right:16px;bottom:70px;gap:6px}}
.cs-btn{width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative;transition:all .25s;color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.15);text-decoration:none;font-size:0}
.cs-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cs-btn:hover{transform:scale(1.08)}
.cs-btn.cs-btn-wechat{background:#07c160}
.cs-btn.cs-btn-phone{background:var(--cs-primary,#1a56db)}
.cs-btn.cs-btn-contact{background:var(--accent)}
.cs-btn.cs-btn-ai{background:#6366f1}
.cs-btn.cs-btn-top{background:#334155;font-size:18px;line-height:1}

/* 统一提示弹窗 */
.cs-tip{position:absolute;right:54px;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.8);color:#fff;border-radius:6px;font-size:13px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10000;line-height:1.4}
.cs-tip::after{content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:rgba(0,0,0,.8)}
.cs-btn:hover .cs-tip{opacity:1}

/* 纯文字提示 */
.cs-tip-phone,.cs-tip-contact{display:flex;align-items:center;gap:6px;padding:8px 14px}
.cs-tip-phone{font-size:14px;font-weight:600;letter-spacing:.3px}
.cs-tip-contact svg{width:16px;height:16px;flex-shrink:0;color:rgba(255,255,255,.8)}

/* 微信二维码提示（特殊大尺寸） */
.cs-tip-wechat{position:absolute;right:56px;top:50%;transform:translateY(-50%);background:#fff;color:#333;border-radius:10px;padding:14px;text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.2);white-space:nowrap;transition:opacity .25s}
.cs-tip-wechat::after{content:'';position:absolute;right:-8px;top:50%;transform:translateY(-50%);border:8px solid transparent;border-left-color:#fff}
.cs-tip-wechat img{width:120px!important;height:120px!important;max-width:none!important;border-radius:6px;display:block;margin:0 auto;object-fit:cover}
.cs-tip-label{display:block;margin-top:10px;font-size:12px;font-weight:600;color:#07c160;letter-spacing:.5px}

.cs-tip-hide{display:none}
.fadeInOut{animation:fadeInOut 2s ease forwards}

/* 微信弹窗（通用组件，供产品页面使用） */
.wechat-modal-overlay {
  display:none; position:fixed; inset:0; z-index:9999;
  background:rgba(0,0,0,.5); -webkit-backdrop-filter:blur(4px); backdrop-filter:blur(4px);
  align-items:center; justify-content:center;
}
.wechat-modal-overlay.active { display:flex; }
.wechat-modal-content {
  background:#fff; border-radius:20px; padding:40px; width:360px; max-width:90vw;
  text-align:center; position:relative; animation:modalIn .3s ease;
}
@keyframes modalIn {
  from { opacity:0; transform:scale(.9) translateY(20px); }
  to { opacity:1; transform:scale(1) translateY(0); }
}
.modal-close {
  position:absolute; top:12px; right:16px; font-size:28px; border:none;
  background:transparent; cursor:pointer; color:var(--text-muted); line-height:1;
}
.modal-close:hover { color:var(--text); }
.modal-icon { margin-bottom:12px; }
.wechat-modal-content h3 { font-size:1.3rem; font-weight:700; margin-bottom:6px; color:var(--text); }
.wechat-modal-content p { color:var(--text-muted); font-size:.9rem; margin-bottom:20px; }
.wechat-qr-placeholder { margin:0 auto 16px; width:200px; height:200px; display:flex; align-items:center; justify-content:center; }
.wechat-qr-placeholder img { width:200px; height:200px; object-fit:contain; }
.qr-fallback { color:var(--text-muted); font-size:.9rem; }
.qr-fallback p { margin-bottom:4px; }
.wechat-id { font-size:.95rem; }
.wechat-id strong { color:var(--primary); }

/* ---- 全站动画 ---- */
@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%,-50%) scale(.9)}15%{opacity:1;transform:translate(-50%,-50%) scale(1)}85%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-50%) scale(.9)}}

/* ===== 手机底部导航 ===== */
.mf-nav{display:none}
@media(max-width:768px){
.mf-nav{position:fixed;bottom:0;left:0;right:0;z-index:9998;display:flex;background:rgba(19,19,19,.97);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.06);height:56px;padding:0 4px}
.mf-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:rgba(255,255,255,.55);font-size:10px;gap:2px;transition:color .2s;padding:4px 0}
.mf-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mf-item span{line-height:1.2}
.mf-item:hover,.mf-item.active{color:var(--primary-light)}
.mf-item-call{color:#34d399!important}
.mf-item-call svg{stroke:#34d399}
.mf-item-wechat{color:#07c160!important}
.mf-item-wechat svg{stroke:#07c160}
body{padding-bottom:0}
}

/* 移动端：显示汉堡菜单，隐藏桌面导航 */
@media(max-width:768px){
  .mobile-menu-toggle{display:flex}
  .site-header .main-nav{display:none}
}

/* ===== AI智能体 前台悬浮窗 ===== */
.ai-bot-btn{position:fixed;bottom:100px;right:80px;z-index:9999;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#409eff,#337ecc);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(64,158,255,.4);transition:all .3s;font-size:24px}
.ai-bot-btn:hover{transform:scale(1.08);box-shadow:0 6px 28px rgba(64,158,255,.5)}
.ai-bot-btn .pulse{position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid rgba(64,158,255,.3);animation:aiPulse 2s infinite}
@keyframes aiPulse{0%{transform:scale(1);opacity:1}100%{transform:scale(1.4);opacity:0}}
.ai-bot-dialog{position:fixed;bottom:176px;right:80px;z-index:9998;width:420px;height:560px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.15);display:none;flex-direction:column;overflow:hidden;animation:slideUp .3s ease}
.ai-bot-dialog.open{display:flex}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.ai-bot-header{padding:16px 20px;background:linear-gradient(135deg,#409eff,#337ecc);color:#fff;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}
.ai-bot-header h4{margin:0;font-size:16px;font-weight:600}
.ai-bot-close{background:none;border:none;color:#fff;cursor:pointer;font-size:22px;line-height:1;padding:0 4px}
.ai-bot-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f5f7fa}
.ai-bot-msg{max-width:85%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.6;word-break:break-word;white-space:pre-wrap}
.ai-bot-msg.user{align-self:flex-end;background:#409eff;color:#fff;border-bottom-right-radius:4px}
.ai-bot-msg.bot{align-self:flex-start;background:#fff;color:#333;border-bottom-left-radius:4px;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.ai-bot-msg.loading{align-self:flex-start;background:#fff;color:#909399}
.ai-bot-footer{padding:12px 16px;border-top:1px solid #e2e8f0;display:flex;gap:8px;align-items:center;flex-shrink:0;background:#fff}
.ai-bot-footer input{flex:1;border:1px solid #d1d5db;border-radius:8px;padding:8px 12px;font-size:14px;outline:none}
.ai-bot-footer input:focus{border-color:#409eff}
.ai-bot-footer button{background:#409eff;color:#fff;border:none;border-radius:8px;padding:8px 16px;cursor:pointer;font-size:14px;transition:background .2s;white-space:nowrap}
.ai-bot-footer button:hover{background:#337ecc}
.ai-bot-footer button:disabled{background:#a0cfff;cursor:not-allowed}
.ai-bot-welcome{text-align:center;padding:30px 16px;color:#64748b;font-size:14px;line-height:1.8}
.ai-bot-welcome .welcome-icon{width:56px;height:56px;border-radius:50%;margin:0 auto 12px;background:linear-gradient(135deg,#409eff,#337ecc);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px}
.ai-bot-msg p{margin:0}
.ai-bot-msg ul,.ai-bot-msg ol{margin:4px 0;padding-left:18px}
@media(max-width:480px){
.ai-bot-dialog{width:calc(100vw - 32px);right:16px;left:16px;bottom:170px;height:70vh;margin:0 auto}
.ai-bot-btn{bottom:90px;right:80px}
}