/* ===== 营销页通用组件（改版）===== */

/* 页头横幅 */
.page-hd{background:var(--dark);color:var(--white);padding:150px 0 80px;text-align:center;position:relative;overflow:hidden}
.page-hd::after{content:'';position:absolute;top:-30%;right:-10%;width:520px;height:520px;background:radial-gradient(circle,rgba(37,218,197,0.1) 0%,transparent 70%);border-radius:50%}
.page-hd h1{font-weight:700;font-size:48px;line-height:60px;position:relative;z-index:2}
.page-hd p{font-size:18px;line-height:28px;color:rgba(255,255,255,0.7);margin-top:18px;position:relative;z-index:2}

/* 流程步骤 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{text-align:center;padding:30px 20px;position:relative}
.process-num{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.process-step h3{font-size:18px;line-height:28px;color:var(--heading);margin-bottom:8px}
.process-step p{font-size:14px;line-height:22px;color:var(--text)}
.process-step::after{content:'\f061';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;right:-8px;top:46px;color:var(--primary);font-size:16px}
.process-step:last-child::after{display:none}

/* 套餐/合作方案卡 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.plan-card{background:var(--white);border-radius:var(--r-card);padding:36px 30px;border:2px solid var(--grey);text-align:center;transition:all .3s;position:relative;display:flex;flex-direction:column}
.plan-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 12px 32px rgba(47,24,147,0.08)}
.plan-card.featured{border-color:var(--primary)}
.plan-card.featured::before{content:'推荐';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:5px 18px;border-radius:var(--r-pill);font-size:12px;font-weight:500}
.plan-name{font-size:22px;font-weight:500;color:var(--heading);margin-bottom:8px}
.plan-price{font-family:var(--serif);font-size:40px;font-weight:700;color:var(--primary);margin-bottom:8px;line-height:1}
.plan-price span{font-size:14px;font-weight:400;color:var(--text)}
.plan-desc{font-size:14px;color:var(--text);margin-bottom:22px}
.plan-features{list-style:none;text-align:left;margin-bottom:26px;flex:1}
.plan-features li{padding:9px 0;border-bottom:1px solid #f3f2f5;font-size:14px;line-height:22px;color:var(--heading)}
.plan-features li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--primary);margin-right:8px;font-size:12px}

/* 通用优势/价值观卡 */
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.benefit-card{background:var(--white);border-radius:var(--r-card);padding:36px 28px;border:2px solid var(--grey);text-align:center;transition:all .3s}
.benefit-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(47,24,147,0.08);border-color:var(--primary)}
.benefit-icon{width:64px;height:64px;border-radius:50%;background:rgba(37,218,197,0.12);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.benefit-icon i{font-size:26px;color:var(--primary)}
.benefit-card h3{font-size:20px;line-height:30px;color:var(--heading);margin-bottom:8px}
.benefit-card p{font-size:14px;line-height:24px;color:var(--text)}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden}
.faq-q{padding:20px 26px;font-size:16px;font-weight:500;color:var(--heading);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q::after{content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--primary);font-size:14px;transition:transform .3s}
.faq-item.open .faq-q::after{content:'\f068'}
.faq-a{padding:0 26px 0 50px;font-size:15px;line-height:26px;color:var(--text);display:none}
.faq-item.open .faq-a{display:block;padding-bottom:22px}

/* CTA 横幅 */
.cta-box{background:linear-gradient(135deg,var(--dark) 0%,#3a24a8 100%);border-radius:16px;padding:64px 40px;text-align:center}
.cta-box h2{font-family:var(--serif);font-size:32px;color:#fff;margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,0.7);margin-bottom:28px;font-size:16px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 数据统计 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);padding:30px 16px}
.stat-value{font-family:var(--serif);font-size:40px;font-weight:700;color:var(--primary);line-height:1}
.stat-label{font-size:14px;color:var(--text);margin-top:8px}

/* 关于-介绍 */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text h2{font-family:var(--serif);font-size:32px;line-height:42px;color:var(--heading);margin-bottom:20px}
.about-text p{color:var(--text);line-height:1.9;margin-bottom:16px;font-size:16px}
.about-image{border-radius:var(--r-card);overflow:hidden;box-shadow:0 12px 40px rgba(47,24,147,0.12)}
.about-image img{width:100%;height:auto;display:block}

/* 创始人 */
.founder-card{background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);padding:36px}
.founder-layout{display:flex;gap:28px;align-items:center}
.founder-image{width:140px;height:140px;border-radius:var(--r-card);overflow:hidden;flex-shrink:0;background:var(--grey)}
.founder-image img{width:100%;height:100%;object-fit:cover}
.founder-info h3{font-size:22px;font-weight:500;color:var(--heading);margin-bottom:4px}
.founder-info .role{font-size:14px;color:var(--primary);margin-bottom:8px}
.founder-info .exp{font-size:14px;line-height:24px;color:var(--text);margin-bottom:14px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag-item{font-size:12px;padding:5px 12px;background:rgba(37,218,197,0.12);color:#0fa896;border-radius:var(--r-pill)}

/* 团队 */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);padding:30px 20px;text-align:center;transition:all .3s}
.team-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(47,24,147,0.08)}
.team-avatar{width:88px;height:88px;border-radius:50%;overflow:hidden;margin:0 auto 14px;background:var(--grey)}
.team-avatar img{width:100%;height:100%;object-fit:cover}
.team-name{font-size:17px;font-weight:500;color:var(--heading);margin-bottom:4px}
.team-role{font-size:13px;color:var(--primary);margin-bottom:8px}
.team-tags{font-size:12px;color:var(--text);line-height:20px}

/* 时间线 */
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--primary);transform:translateX(-50%)}
.timeline-item{display:flex;margin-bottom:36px;position:relative}
.timeline-item:nth-child(odd){justify-content:flex-start;padding-right:50%}
.timeline-item:nth-child(even){justify-content:flex-end;padding-left:50%}
.timeline-content{background:var(--white);padding:22px 26px;border-radius:var(--r-card);border:2px solid var(--grey);max-width:360px}
.timeline-content h4{color:var(--primary);margin-bottom:8px;font-size:17px;font-family:var(--serif)}
.timeline-content p{font-size:14px;line-height:24px;color:var(--text)}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-card{background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);padding:32px}
.contact-card h3{margin-bottom:18px;font-size:20px;font-weight:500;color:var(--heading)}
.contact-item{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid #f3f2f5}
.contact-item:last-child{border:none}
.contact-label{font-size:14px;color:var(--text)}
.contact-value{font-size:15px;color:var(--heading);font-weight:500}

/* 模型市场 */
.models-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;flex-wrap:wrap;gap:16px}
.models-filter{display:flex;gap:10px;flex-wrap:wrap}
.filter-btn{padding:9px 22px;border-radius:var(--r-pill);border:2px solid var(--grey);background:var(--white);color:var(--heading);font-size:14px;cursor:pointer;transition:all .2s;font-family:var(--sans)}
.filter-btn:hover{border-color:var(--primary)}
.filter-btn.active{background:var(--dark);color:#fff;border-color:var(--dark)}
.models-count{font-size:14px;color:var(--text)}
.models-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.model-card{background:var(--white);border:2px solid var(--grey);border-radius:var(--r-card);padding:24px;transition:all .3s}
.model-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(47,24,147,0.08);border-color:var(--primary)}
.model-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.model-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0}
.model-name{font-size:15px;font-weight:500;color:var(--heading);line-height:1.3}
.model-provider{font-size:12px;color:var(--text);margin-top:2px}
.model-desc{font-size:13px;line-height:22px;color:var(--text);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.model-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.model-tag{font-size:11px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(47,24,147,0.08);color:var(--dark)}
.model-price{font-size:12px;color:var(--text);line-height:20px;border-top:1px solid #f3f2f5;padding-top:12px}
.model-price .input{display:block;color:var(--primary);font-weight:500}
.load-more{text-align:center;margin-top:40px}

/* 认证表单 */
.auth-page{background:var(--dark);min-height:calc(100vh - 100px);display:flex;align-items:center;justify-content:center;padding:60px 20px;position:relative;overflow:hidden}
.auth-page::after{content:'';position:absolute;top:-20%;left:-10%;width:520px;height:520px;background:radial-gradient(circle,rgba(233,58,125,0.1) 0%,transparent 70%);border-radius:50%}
.auth-box{background:var(--white);border-radius:16px;padding:44px;width:100%;max-width:480px;box-shadow:0 24px 64px rgba(0,0,0,0.2);position:relative;z-index:2}
.auth-box h2{text-align:center;font-size:26px;color:var(--heading);margin-bottom:6px}
.auth-box .sub{text-align:center;color:var(--text);font-size:14px;margin-bottom:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--heading);margin-bottom:6px}
.field label .req{color:var(--action)}
.field input,.field select{width:100%;padding:12px 14px;border:2px solid var(--grey);border-radius:8px;font-size:14px;outline:none;transition:border .2s;font-family:var(--sans);background:var(--white);color:var(--heading)}
.field input:focus,.field select:focus{border-color:var(--primary)}
.field .hint{font-size:12px;color:var(--text);margin-top:5px}
.code-row{display:flex;gap:10px}
.code-row input{flex:1}
.code-btn{padding:12px 18px;background:var(--dark);color:#fff;border:none;border-radius:8px;font-size:13px;cursor:pointer;white-space:nowrap;font-family:var(--sans)}
.code-btn:hover{background:var(--dark-2)}
.code-btn:disabled{opacity:.5;cursor:not-allowed}
.auth-btn{width:100%;padding:15px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;margin-top:8px;font-family:var(--sans);transition:background .2s}
.auth-btn:hover{background:#1fc4b0}
.auth-btn:disabled{opacity:.5;cursor:not-allowed}
.auth-footer{text-align:center;margin-top:18px;font-size:13px;color:var(--text)}
.auth-footer a{color:var(--primary)}
.auth-msg{font-size:13px;text-align:center;margin-bottom:14px;display:none;padding:11px;border-radius:8px}
.auth-err{color:#DC2626;background:#FEF2F2}
.auth-ok{color:#059669;background:#F0FDF4}
.agree-row{display:flex;align-items:flex-start;gap:8px;margin:18px 0;font-size:12px;color:var(--text);line-height:1.6}
.agree-row input{margin-top:3px;flex-shrink:0}
.agree-row a{color:var(--primary)}
.strength{font-size:12px;margin-top:6px;display:flex;gap:8px;flex-wrap:wrap}
.strength span{padding:3px 10px;border-radius:6px;font-size:11px}
.strength-weak{background:#FEE2E2;color:#DC2626}
.strength-strong{background:#D1FAE5;color:#059669}
.auth-success{text-align:center;padding:24px 0}
.auth-success .ico{font-size:56px;color:var(--primary);margin-bottom:16px}

@media(max-width:1200px){
  .models-grid{grid-template-columns:repeat(3,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-step::after{display:none}
}
@media(max-width:768px){
  .plan-grid,.benefits-grid,.stats-grid,.contact-grid{grid-template-columns:1fr}
  .models-grid{grid-template-columns:1fr}
  .about-intro{grid-template-columns:1fr}
  .founder-layout{flex-direction:column;text-align:center}
  .timeline::before{left:20px}
  .timeline-item:nth-child(odd),.timeline-item:nth-child(even){padding:0 0 0 50px;justify-content:flex-start}
  .page-hd h1{font-size:34px;line-height:46px}
}