:root{
  --bg:#0a0a0c;
  --bg-2:#111114;
  --panel:#16161a;
  --panel-2:#1d1d22;
  --fg:#ececf0;
  --muted:#8a8a92;
  --line:#2a2a31;
  --red:#ff3b30;
  --red-2:#ff6b5b;
  --orange:#ff9500;
  --yellow:#ffcc00;
  --green:#34c759;
  --accent:#5b8cff;
  --radius:16px;
  --maxw:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:'';position:fixed;top:0;left:0;right:0;bottom:0;background:
  radial-gradient(circle at 20% 20%, rgba(255,59,48,0.08) 0%, transparent 50%),
  radial-gradient(circle at 80% 80%, rgba(255,149,0,0.06) 0%, transparent 50%);
  pointer-events:none;z-index:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ========== 顶部导航栏 ========== */
.topbar{position:sticky;top:0;z-index:100;background:rgba(10,10,12,0.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--red),var(--orange));display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.brand-text{font-size:15px;line-height:1.2}
.brand-text small{font-size:10px;color:var(--muted);letter-spacing:1px;font-weight:500}
.nav{display:flex;gap:8px;align-items:center}
.nav-item{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;font-size:14px;color:var(--muted);transition:.2s;font-weight:500}
.nav-item:hover{color:var(--fg);background:var(--panel)}
.nav-icon{font-size:14px}
.cta-btn{padding:10px 20px;border-radius:10px;background:linear-gradient(135deg,var(--red),var(--red-2));color:#fff;font-size:14px;font-weight:700;transition:.2s;white-space:nowrap;box-shadow:0 4px 15px rgba(255,59,48,0.3)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,59,48,0.4)}

/* 手机端菜单按钮 */
.menu-toggle{display:none;background:none;border:none;color:var(--fg);font-size:24px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:.2s}
.menu-toggle:hover{background:var(--panel)}

/* ========== Hero区域 ========== */
.hero{padding:56px 0 40px;text-align:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:rgba(255,59,48,0.1);border:1px solid rgba(255,59,48,0.3);font-size:13px;color:var(--red-2);font-weight:600;margin-bottom:20px}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}
.hero-title{font-size:48px;line-height:1.15;margin:0 0 16px;font-weight:900;letter-spacing:-1px}
.title-accent{background:linear-gradient(135deg,var(--red),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:16px;color:var(--muted);max-width:680px;margin:0 auto 24px;line-height:1.7}

/* 搜索框 */
.search-box{display:flex;max-width:640px;margin:0 auto 16px;gap:10px}
.search-box input{flex:1;padding:14px 20px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--fg);font-size:15px;outline:none;transition:.2s}
.search-box input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,59,48,0.1)}
.search-btn{padding:14px 24px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;white-space:nowrap}
.search-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,59,48,0.3)}

/* 热门标签 */
.hot-tags{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}
.hot-label{font-size:13px;color:var(--muted)}
.hot-tag{padding:5px 12px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:12px;color:var(--muted);cursor:pointer;transition:.2s}
.hot-tag:hover{color:var(--red-2);border-color:var(--red)}

/* 副业生成器按钮 */
.hero-cta{display:flex;align-items:center;justify-content:center;gap:14px;margin:20px 0 12px;flex-wrap:wrap}
.hero-generator-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:999px;background:linear-gradient(135deg,#ff3b30 0%,#ff6b5b 50%,#ff9500 100%);color:#fff;font-size:17px;font-weight:800;letter-spacing:.5px;text-decoration:none;box-shadow:0 6px 24px rgba(255,59,48,0.4),0 3px 12px rgba(255,149,0,0.3);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;border:none;cursor:pointer}
.hero-generator-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transition:left .6s}
.hero-generator-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 40px rgba(255,59,48,0.5),0 6px 20px rgba(255,149,0,0.4)}
.hero-generator-btn:hover::before{left:100%}
.hero-generator-btn:active{transform:translateY(-1px) scale(1.01)}
.btn-icon{font-size:22px;animation:pulse 2s infinite}
.btn-text{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
.btn-arrow{font-size:20px;font-weight:700;transition:transform .3s}
.hero-generator-btn:hover .btn-arrow{transform:translateX(5px)}
.hero-cta-tip{font-size:14px;color:var(--muted);font-weight:500}

/* 数据统计卡片 */
.stats-section{padding:24px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden;transition:.3s}
.stat-card:hover{transform:translateY(-3px);border-color:var(--red)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-red::before{background:linear-gradient(90deg,var(--red),var(--red-2))}
.stat-orange::before{background:linear-gradient(90deg,var(--orange),#ffb340)}
.stat-yellow::before{background:linear-gradient(90deg,var(--yellow),#ffe066)}
.stat-green::before{background:linear-gradient(90deg,var(--green),#5ce87e)}
.stat-icon{font-size:22px;margin-bottom:6px}
.stat-trend{font-size:12px;color:var(--muted);margin-bottom:2px}
.stat-red .stat-trend{color:var(--red-2)}
.stat-orange .stat-trend{color:var(--orange)}
.stat-yellow .stat-trend{color:var(--yellow)}
.stat-green .stat-trend{color:var(--green)}
.stat-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.stat-number{font-size:28px;font-weight:900;line-height:1.1}
.stat-red .stat-number{color:var(--red-2)}
.stat-orange .stat-number{color:var(--orange)}
.stat-yellow .stat-number{color:var(--yellow)}
.stat-green .stat-number{color:var(--green)}
.stat-unit{font-size:12px;color:var(--muted);margin-top:4px}

/* ========== 滚动公告栏 ========== */
.marquee-section{padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden}
.marquee-container{display:flex;align-items:center;gap:20px}
.marquee-label{flex-shrink:0;padding:6px 14px;border-radius:8px;background:rgba(255,59,48,0.15);color:var(--red-2);font-size:13px;font-weight:600;white-space:nowrap}
.marquee-content{flex:1;overflow:hidden;position:relative}
.marquee-content::before,.marquee-content::after{content:'';position:absolute;top:0;bottom:0;width:60px;z-index:2}
.marquee-content::before{left:0;background:linear-gradient(90deg,var(--bg-2),transparent)}
.marquee-content::after{right:0;background:linear-gradient(-90deg,var(--bg-2),transparent)}
.marquee-content{display:flex;animation:marquee 30s linear infinite}
.marquee-item{flex-shrink:0;padding:0 30px;font-size:13px;color:var(--muted);white-space:nowrap}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ========== 案例库区域 ========== */
#list{padding:36px 0}
.section-header{margin-bottom:16px}
.section-title{font-size:26px;font-weight:800;margin:0;display:flex;align-items:center;gap:10px}
.title-badge{padding:4px 12px;border-radius:999px;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;font-size:14px;font-weight:700}

/* 分类标签 */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{padding:7px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:14px;cursor:pointer;transition:.2s;font-weight:500;display:flex;align-items:center;gap:6px}
.chip:hover{color:var(--fg);border-color:var(--muted)}
.chip.active{background:linear-gradient(135deg,var(--red),var(--red-2));border-color:transparent;color:#fff;font-weight:700;box-shadow:0 4px 12px rgba(255,59,48,0.3)}

/* 排序栏 */
.sort-bar{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.sort-label{font-size:14px;color:var(--muted)}
.sort-btn{padding:7px 14px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:13px;cursor:pointer;transition:.2s}
.sort-btn:hover{color:var(--fg);border-color:var(--muted)}
.sort-btn.active{background:var(--panel);color:var(--fg);border-color:var(--red)}

/* 分类说明 */
.category-desc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:20px 0;position:relative;overflow:hidden}
.category-desc::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--red),var(--orange))}
.category-desc-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.category-desc-icon{font-size:32px}
.category-desc-title{margin:0;font-size:20px;font-weight:700}
.category-desc-text{font-size:14.5px;line-height:1.8;color:var(--fg);margin:0 0 20px}
.category-desc-warnings{background:rgba(255,59,48,0.08);border:1px solid rgba(255,59,48,0.2);border-radius:12px;padding:16px 20px;margin-bottom:16px}
.category-desc-warnings h4{margin:0 0 12px;font-size:15px;color:var(--red-2)}
.category-desc-warnings ul{margin:0;padding-left:20px}
.category-desc-warnings li{font-size:13.5px;line-height:1.7;color:var(--fg);margin-bottom:6px}
.category-desc-warnings li:last-child{margin-bottom:0}
.category-desc-tips{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;background:rgba(91,140,255,0.08);border:1px solid rgba(91,140,255,0.2);border-radius:10px;font-size:13.5px;color:var(--fg);line-height:1.6}
.tips-icon{font-size:18px;flex-shrink:0}

/* 案例卡片网格 */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;cursor:pointer;transition:.25s;display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--red),var(--orange));opacity:0;transition:.25s}
.card:hover{transform:translateY(-3px);border-color:var(--red);box-shadow:0 10px 30px rgba(0,0,0,0.4)}
.card:hover::before{opacity:1}
.card-header{display:flex;align-items:center;justify-content:space-between}
.card .tag{align-self:flex-start;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;background:rgba(255,59,48,0.15);color:var(--red-2);text-transform:uppercase;letter-spacing:.5px}
.card-severity{font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px}
.severity-heavy{background:rgba(255,59,48,0.2);color:var(--red)}
.severity-medium{background:rgba(255,149,0,0.2);color:var(--orange)}
.severity-light{background:rgba(255,204,0,0.2);color:var(--yellow)}
.card h3{margin:0;font-size:16px;line-height:1.4;font-weight:700}
.card .loss{font-size:20px;font-weight:900;color:var(--red-2);line-height:1.1}
.card .loss small{font-size:12px;color:var(--muted);font-weight:500;margin-left:4px}
.card .tagline{font-size:13px;color:var(--muted);margin:0;line-height:1.6;flex:1}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.card-tag{font-size:11px;padding:3px 8px;border-radius:6px;background:var(--bg-2);color:var(--muted)}
.card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.card-stats{display:flex;gap:14px}
.card-stat{display:flex;align-items:center;gap:4px}
.empty{color:var(--muted);text-align:center;padding:40px 0;font-size:16px}

/* ========== 分页控件 ========== */
.pagination{margin:0 0 36px;display:flex;flex-direction:column;align-items:center;gap:12px}
.pagination-info{font-size:14px;color:var(--muted)}
.pagination-controls{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center}
.page-btn{padding:9px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:14px;cursor:pointer;transition:.2s;min-width:40px;font-weight:500}
.page-btn:hover:not(:disabled){color:var(--fg);border-color:var(--red);background:var(--panel-2)}
.page-btn.active{background:linear-gradient(135deg,var(--red),var(--red-2));border-color:transparent;color:#fff;font-weight:700;box-shadow:0 4px 12px rgba(255,59,48,0.3)}
.page-btn:disabled{opacity:.4;cursor:not-allowed}
.page-dots{color:var(--muted);padding:0 6px;font-size:14px}
.pagination-jump{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.pagination-jump input{width:70px;padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--fg);font-size:14px;text-align:center;outline:none}
.pagination-jump input:focus{border-color:var(--red)}
.pagination-jump button{padding:8px 16px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--fg);font-size:14px;cursor:pointer;transition:.2s}
.pagination-jump button:hover{border-color:var(--red);color:var(--red-2)}

/* ========== 详情弹窗 ========== */
.modal{position:fixed;inset:0;background:rgba(0,0,0,0.8);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal[hidden]{display:none}
.modal-card{background:var(--panel-2);border:1px solid var(--line);border-radius:20px;max-width:720px;width:100%;max-height:88vh;overflow:auto;padding:32px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,0.5)}
.modal-close{position:absolute;top:16px;right:20px;background:none;border:none;color:var(--muted);font-size:32px;cursor:pointer;line-height:1;transition:.2s;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.modal-close:hover{color:var(--fg);background:var(--panel)}
.detail-tag{display:inline-block;font-size:12px;font-weight:700;padding:5px 12px;border-radius:8px;background:rgba(255,59,48,0.15);color:var(--red-2);margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.detail h2{margin:0 0 8px;font-size:24px;line-height:1.3}
.detail .loss{color:var(--red-2);font-weight:800;margin:0 0 20px;font-size:18px}
.detail p{font-size:15px;line-height:1.8;color:var(--fg)}
.detail h4{margin:24px 0 10px;font-size:16px;color:var(--red-2);letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.detail h4::before{content:'';width:4px;height:18px;background:linear-gradient(180deg,var(--red),var(--orange));border-radius:2px}
.detail ul{margin:0;padding-left:20px}
.detail li{margin:8px 0;font-size:14.5px;color:var(--fg);line-height:1.7}
.detail .source{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.detail .source a{color:var(--accent)}

/* ========== 投稿区域 ========== */
.submit{padding:80px 0;background:var(--bg-2);border-top:1px solid var(--line)}
.submit-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.submit-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:rgba(255,59,48,0.1);border:1px solid rgba(255,59,48,0.3);font-size:13px;color:var(--red-2);font-weight:600;margin-bottom:20px}
.submit-title{font-size:40px;line-height:1.2;margin:0 0 16px;font-weight:900}
.submit-desc{font-size:15px;color:var(--muted);line-height:1.8;margin:0 0 24px}
.submit-features{display:flex;gap:12px;flex-wrap:wrap}
.feature-item{padding:8px 14px;border-radius:10px;background:var(--panel);border:1px solid var(--line);font-size:13px;color:var(--fg)}
.submit-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:600;margin-bottom:8px;font-size:14px;color:var(--fg)}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-size:14px;font-family:inherit;outline:none;transition:.2s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,59,48,0.1)}
.form-group textarea{min-height:120px;resize:vertical}
.form-check{margin-bottom:16px}
.form-check label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}
.form-check input{width:16px;height:16px;accent-color:var(--red)}
.submit-btn{width:100%;padding:14px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;font-size:16px;font-weight:800;cursor:pointer;transition:.2s}
.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,59,48,0.3)}
.submit-btn:disabled{opacity:.6;cursor:not-allowed}
.submit-status{margin:12px 0 0;padding:12px 16px;border-radius:10px;font-size:14px}
.submit-status.success{background:rgba(52,199,89,0.15);color:var(--green);border:1px solid rgba(52,199,89,0.3)}
.submit-status.error{background:rgba(255,59,48,0.15);color:var(--red);border:1px solid rgba(255,59,48,0.3)}
.submit-status.info{background:rgba(91,140,255,0.15);color:var(--accent);border:1px solid rgba(91,140,255,0.3)}

/* ========== 页脚 ========== */
.footer{background:var(--bg);border-top:1px solid var(--line);padding-top:50px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px;align-items:start}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.8;margin:0}
.footer-col h4{font-size:18px;font-weight:700;margin:0 0 20px;color:var(--fg);line-height:1.4}
.footer-col-desc{font-size:13px;color:var(--muted);margin:0 0 16px;line-height:1.6}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:14px;line-height:1.4}
.footer-col a{font-size:16px;color:var(--muted);transition:.2s;display:inline-block;line-height:1.4}
.footer-col a:hover{color:var(--red-2)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom p{font-size:12px;color:var(--muted);margin:0}
.footer-status{color:var(--green)!important}

/* ========== 聊天页面样式 ========== */
.chat-page{background:var(--bg);min-height:100vh;display:flex;flex-direction:column}
.chat-page::before{display:none}
.chat-main{flex:1;display:flex;justify-content:center;padding:24px}
.chat-wrapper{width:100%;max-width:900px;background:var(--panel);border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.3)}

/* 聊天头部 */
.chat-header{display:flex;align-items:center;gap:14px;padding:18px 24px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.chat-header-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#ff6b9d,#ff8fab);display:flex;align-items:center;justify-content:center}
.chat-header-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.chat-header-info h1{margin:0;font-size:18px;font-weight:700}
.chat-status{margin:4px 0 0;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.status-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;display:inline-block;animation:pulse 2s infinite}

/* 聊天消息区域 */
.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:20px;max-height:calc(100vh - 400px);min-height:400px}
.chat-message{display:flex;gap:12px;align-items:flex-start;max-width:85%}
.chat-message.user-message{align-self:flex-end;flex-direction:row-reverse}
.chat-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;overflow:hidden}
.user-avatar{background:linear-gradient(135deg,var(--red),var(--orange));color:#fff}
.ai-avatar{background:linear-gradient(135deg,#ff6b9d,#ff8fab);color:#fff;font-size:16px}
.ai-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.chat-bubble{border-radius:16px;padding:14px 18px;position:relative}
.user-bubble{background:linear-gradient(135deg,rgba(255,59,48,.15),rgba(255,149,0,.1));border:1px solid rgba(255,59,48,.2)}
.ai-bubble{background:var(--bg);border:1px solid var(--line)}
.chat-content{font-size:14.5px;line-height:1.75;color:var(--fg)}
.chat-content p{margin:8px 0}
.chat-content p:first-child{margin-top:0}
.chat-content p:last-child{margin-bottom:0}
.chat-content h3{color:var(--orange);font-size:17px;margin:20px 0 10px;border-left:3px solid var(--orange);padding-left:10px}
.chat-content h4{color:var(--accent);font-size:15px;margin:16px 0 8px}
.chat-content h5{color:var(--fg);font-size:14px;margin:12px 0 6px}
.chat-content ul,.chat-content ol{margin:8px 0;padding-left:22px}
.chat-content li{margin:5px 0;font-size:14px;line-height:1.6}
.chat-content strong{color:var(--orange)}

/* 打字指示器 */
.typing-indicator{display:flex;gap:4px;padding:4px 0}
.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:typing 1.4s infinite ease-in-out}
.typing-indicator span:nth-child(1){animation-delay:0s}
.typing-indicator span:nth-child(2){animation-delay:.2s}
.typing-indicator span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}

/* 快速开始 */
.quick-start{padding:20px 24px;border-top:1px solid var(--line);background:var(--panel-2)}
.quick-start-title{margin:0 0 16px;font-size:15px;font-weight:600;color:var(--fg)}
.quick-start-form{display:flex;flex-direction:column;gap:14px}
.quick-start .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.quick-start .form-col{display:flex;flex-direction:column;gap:6px}
.quick-start .form-col label{font-size:13px;color:var(--muted);font-weight:500}
.quick-start .form-col select,.quick-start .form-col input{padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-size:14px;font-family:inherit;outline:none}
.quick-start .form-col select:focus,.quick-start .form-col input:focus{border-color:var(--red)}
.skill-tags{display:flex;flex-wrap:wrap;gap:8px}
.skill-tag{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--muted);font-size:13px;cursor:pointer;transition:.15s;user-select:none}
.skill-tag:hover{border-color:var(--red);color:var(--fg)}
.skill-tag.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.quick-start-btn{padding:12px 24px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;margin-top:4px}
.quick-start-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,59,48,.3)}

/* 输入区域 */
.chat-input-area{padding:16px 24px 20px;border-top:1px solid var(--line);background:var(--panel-2)}
.chat-input-wrapper{display:flex;gap:12px;align-items:flex-end}
.chat-input-wrapper textarea{flex:1;padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-size:14px;font-family:inherit;outline:none;resize:none;max-height:120px;min-height:44px;line-height:1.5}
.chat-input-wrapper textarea:focus{border-color:var(--red)}
.send-btn{width:44px;height:44px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;flex-shrink:0}
.send-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,59,48,.3)}
.send-btn.disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.input-tip{margin:10px 0 0;font-size:12px;color:var(--muted);text-align:center}

/* 滚动条样式 */
.chat-messages::-webkit-scrollbar{width:6px}
.chat-messages::-webkit-scrollbar-track{background:transparent}
.chat-messages::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--muted)}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .submit-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  .topbar-inner{height:56px}
  .nav{display:none}
  .hero{padding:50px 0 40px}
  .hero-title{font-size:36px}
  .hero-desc{font-size:15px}
  .search-box{flex-direction:column}
  .search-btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:16px}
  .stat-number{font-size:24px}
  .grid{grid-template-columns:1fr}
  .section-title{font-size:22px}
  .submit-title{font-size:28px}
  .form-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:30px}
  .footer-col:first-child{grid-column:1 / -1;text-align:center}
  .footer-brand{justify-content:center}
  .footer-desc{font-size:13px!important;line-height:1.7!important;text-align:center}
  .footer-col h4{font-size:16px;text-align:center;margin-bottom:14px;line-height:1.4}
  .footer-col ul{display:block}
  .footer-col li{margin-bottom:10px;line-height:1.4;text-align:center}
  .footer-col a{font-size:14px;display:block;padding:6px 0;line-height:1.4}
  .footer-bottom .wrap{flex-direction:column;text-align:center;gap:10px}
  .footer-bottom p{font-size:12px;line-height:1.6}
  .footer-status{font-size:12px!important}
  .chat-main{padding:10px}
  .chat-header{padding:14px 16px}
  .chat-messages{padding:16px;max-height:calc(100vh - 450px)}
  .quick-start{padding:16px}
  .quick-start .form-row{grid-template-columns:1fr}
  .chat-input-area{padding:12px 16px 16px}
  .chat-message{max-width:92%}
}

/* ========== 微信咨询弹窗 ========== */
.wechat-modal{max-width:400px;text-align:center}
.wechat-content{padding:20px 0}
.wechat-icon{font-size:60px;margin-bottom:16px}
.wechat-content h3{margin:0 0 12px;font-size:22px}
.wechat-content p{color:var(--muted);margin:0 0 20px;font-size:14px}
.wechat-id{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 18px;background:var(--bg);border-radius:12px;margin-bottom:12px;border:1px solid var(--line)}
.wechat-id span{font-size:14px;color:var(--muted)}
.wechat-id strong{font-size:16px;color:var(--fg)}
.copy-btn{padding:6px 14px;border-radius:8px;border:none;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;font-size:13px;cursor:pointer;transition:.2s}
.copy-btn:hover{transform:translateY(-1px)}
.wechat-tip{font-size:12px;color:var(--muted)!important;margin:0!important}

/* 网站分享弹窗 */
.share-modal{max-width:480px}
.share-content{padding:28px 24px;text-align:center}
.share-icon{font-size:56px;margin-bottom:16px}
.share-content h3{margin:0 0 10px;font-size:22px}
.share-content p{color:var(--muted);margin:0 0 24px;font-size:14px;line-height:1.6}
.share-link-box{display:flex;gap:10px;margin-bottom:20px}
.share-link-box input{flex:1;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font-size:14px;outline:none}
.share-link-box input:focus{border-color:var(--red-2)}
.share-tips{background:var(--bg);border-radius:10px;padding:14px 16px}
.share-tips p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}

@media(max-width:768px){
  .share-modal{max-width:90vw}
  .share-content{padding:24px 18px}
  .share-link-box{flex-direction:column}
}

/* 通用内容弹窗 */
.content-modal{max-width:700px;max-height:85vh;overflow-y:auto}
.content-modal-header{display:flex;align-items:center;gap:14px;padding:24px 28px;border-bottom:1px solid var(--line);background:var(--panel-2);position:sticky;top:0;z-index:1}
.content-modal-icon{font-size:36px}
.content-modal-header h3{margin:0;font-size:22px;font-weight:700}
.content-modal-body{padding:24px 28px}
.content-section{margin-bottom:24px}
.content-section:last-child{margin-bottom:0}
.content-section h4{margin:0 0 14px;font-size:16px;font-weight:700;color:var(--fg);display:flex;align-items:center;gap:8px}
.content-section ul{margin:0;padding-left:22px}
.content-section li{font-size:14px;line-height:1.8;color:var(--fg);margin-bottom:8px}
.content-section li:last-child{margin-bottom:0}
.content-section strong{color:var(--orange)}
.content-tip{padding:14px 18px;background:rgba(91,140,255,0.08);border:1px solid rgba(91,140,255,0.2);border-radius:10px;font-size:13.5px;color:var(--fg);line-height:1.7;margin-top:20px}

/* 手机端导航栏展开 */
@media(max-width:768px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;padding:16px;gap:8px;z-index:99}
  .nav.mobile-open{display:flex}
  .nav-item{width:100%;justify-content:flex-start;padding:12px 16px}
  .cta-btn{display:none}
}