/* 宁数智研 — 暗色主题 + teal/blue 配色 */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --dark:#0B1929;--teal:#00D4AA;--blue:#4DA8DA;--white:#FFFFFF;
  --dark2:#0f2236;--dark3:#132B47;--teal-dim:#00A88A;--blue-dim:#2E86C1;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;background:var(--dark);color:var(--white);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{max-width:1100px;margin:0 auto;padding:0 1rem}

/* Header / Nav */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 2rem;background:transparent;transition:background .4s,box-shadow .4s,padding .3s;display:flex;align-items:center;justify-content:space-between}
.site-header.scrolled{background:rgba(11,25,41,.95);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(0,0,0,.4);padding:.7rem 2rem}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0}
.logo{font-weight:700;font-size:1.2rem;letter-spacing:2px;color:var(--white);display:flex;align-items:center;gap:.6rem}
.logo .logo-icon{width:32px;height:32px}
.logo .logo-mark{color:var(--teal)}
.main-nav{display:flex;gap:2rem;align-items:center}
.main-nav a{font-size:.9rem;color:rgba(255,255,255,.7);transition:color .3s;letter-spacing:1px}
.main-nav a:hover{color:var(--teal)}
.main-nav .btn-primary{padding:.6rem 1.5rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border-radius:8px;font-weight:600}
.btn-link{background:none;border:none;color:var(--teal);cursor:pointer;font-size:.9rem;font-family:inherit}
.inline{display:inline}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-hamburger span{width:24px;height:2px;background:var(--white);transition:all .3s}

.mobile-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(11,25,41,.98);backdrop-filter:blur(20px);z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:2rem}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:1.3rem;color:rgba(255,255,255,.8);letter-spacing:2px;transition:color .3s}
.mobile-menu a:hover{color:var(--teal)}

/* Hero */
.hero{min-height:75vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:8rem 2rem 3rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,170,.15),transparent 70%);top:10%;left:50%;transform:translateX(-50%);pointer-events:none}
.hero::after{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(77,168,218,.1),transparent 70%);bottom:10%;right:10%;pointer-events:none}
.hero-content{position:relative;z-index:1;max-width:750px}
.hero-badge{display:inline-block;padding:.4rem 1.1rem;border:1px solid rgba(0,212,170,.4);border-radius:30px;font-size:.8rem;font-weight:600;color:var(--teal);background:rgba(0,212,170,.06);margin-bottom:1.5rem;letter-spacing:1px}
.hero h1{font-size:3rem;font-weight:800;letter-spacing:2px;margin-bottom:1.2rem;background:linear-gradient(135deg,var(--white) 0%,var(--teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .subtitle{font-size:1.2rem;color:rgba(255,255,255,.85);max-width:600px;margin:0 auto .8rem;font-weight:500}
.hero p{font-size:1rem;color:rgba(255,255,255,.6);max-width:600px;margin:0 auto 2.5rem;line-height:1.8}
.hero p strong{color:var(--white);font-weight:600}
.hero-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:.85rem 2rem;border-radius:8px;font-size:.95rem;font-weight:600;letter-spacing:1px;transition:all .3s;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);box-shadow:0 4px 20px rgba(0,212,170,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(0,212,170,.5)}
.btn-outline{background:transparent;color:var(--teal);border:2px solid var(--teal)}
.btn-outline:hover{background:rgba(0,212,170,.1);transform:translateY(-2px)}

/* Sections */
section{padding:4rem 2rem}
.section-title{text-align:center;margin-bottom:3rem}
.section-title h2{font-size:2rem;font-weight:700;margin-bottom:.6rem}
.section-title h2 span{color:var(--teal)}
.section-title p{color:rgba(255,255,255,.6);font-size:1rem}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}
.service-card{background:linear-gradient(145deg,var(--dark2),var(--dark3));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:2.5rem 2rem;transition:all .4s;position:relative;overflow:hidden}
.service-card:hover{transform:translateY(-6px);border-color:rgba(0,212,170,.3);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--blue));opacity:0;transition:opacity .4s}
.service-card:hover::before{opacity:1}
.service-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}
.service-icon.teal{background:rgba(0,212,170,.12);color:var(--teal)}
.service-icon.blue{background:rgba(77,168,218,.12);color:var(--blue)}
.service-icon.mix{background:linear-gradient(135deg,rgba(0,212,170,.12),rgba(77,168,218,.12));color:var(--teal)}
.service-card h3{font-size:1.2rem;margin-bottom:.8rem;font-weight:700}
.service-card p{color:rgba(255,255,255,.6);font-size:.92rem;line-height:1.7}
.service-card .learn-more{display:inline-block;margin-top:1rem;color:var(--teal);font-size:.88rem;font-weight:600;transition:letter-spacing .3s}
.service-card:hover .learn-more{letter-spacing:2px}
.service-fit{margin-top:1rem;padding-top:1rem;border-top:1px dashed rgba(255,255,255,.08);font-size:.82rem;color:rgba(255,255,255,.55);line-height:1.6}
.service-fit strong{color:var(--blue);font-weight:600}

/* Trust */
.trust{background:var(--dark2)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.trust-item h3{font-size:2.6rem;font-weight:800;background:linear-gradient(135deg,var(--teal),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.3rem;line-height:1}
.trust-item h3 .unit{font-size:1rem;font-weight:600;-webkit-text-fill-color:rgba(255,255,255,.5);margin-left:.15rem;letter-spacing:1px}
.trust-item p{color:rgba(255,255,255,.6);font-size:.9rem}

/* Cases */
.cases-grid{display:grid;grid-template-columns:1fr;gap:2rem;max-width:880px;margin:0 auto}
.case-card{background:var(--dark2);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:2rem 2.5rem;transition:all .4s}
.case-card:hover{border-color:rgba(77,168,218,.3);transform:translateY(-3px)}
.case-tag{display:inline-block;padding:.3rem .8rem;border-radius:20px;font-size:.75rem;font-weight:600;margin-bottom:.8rem}
.case-tag.teal{background:rgba(0,212,170,.15);color:var(--teal)}
.case-tag.blue{background:rgba(77,168,218,.15);color:var(--blue)}
.case-card h3{font-size:1.1rem;margin-bottom:1rem;font-weight:700}
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1rem}
.case-block strong{color:var(--teal);font-size:.85rem;letter-spacing:1px;display:block;margin-bottom:.4rem}
.case-block p{color:rgba(255,255,255,.7);font-size:.92rem;line-height:1.7}
.case-result{margin-top:1rem;padding-top:1rem;border-top:1px dashed rgba(255,255,255,.08);font-size:.88rem;color:var(--teal);font-weight:500}
.case-quote{margin-top:.8rem;padding:.8rem 1rem;background:rgba(255,255,255,.02);border-left:3px solid var(--blue);border-radius:4px;font-size:.88rem;color:rgba(255,255,255,.7);font-style:italic}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.process-step{background:var(--dark2);padding:2rem 1.5rem;border-radius:14px;text-align:center;border:1px solid rgba(255,255,255,.06);position:relative;transition:all .3s}
.process-step:hover{border-color:rgba(0,212,170,.3);transform:translateY(-4px)}
.process-num{width:48px;height:48px;margin:0 auto 1rem;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800}
.process-step h4{margin-bottom:.5rem;font-size:1rem}
.process-step p{color:rgba(255,255,255,.6);font-size:.85rem;line-height:1.6;margin-bottom:.8rem}
.process-step .duration{display:inline-block;font-size:.75rem;color:var(--blue);background:rgba(77,168,218,.1);padding:.2rem .6rem;border-radius:12px}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--teal-dim),var(--blue-dim));border-radius:20px;padding:3rem;text-align:center;color:var(--dark)}
.cta-banner h3{font-size:1.6rem;margin-bottom:.8rem;font-weight:700}
.cta-banner p{font-size:1rem;margin-bottom:1.5rem;opacity:.9}
.cta-banner .btn{background:var(--dark);color:var(--white)}
.cta-banner .btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.3)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:2fr 1fr;gap:3rem;align-items:start}
.contact-form{display:flex;flex-direction:column;gap:1.2rem}
.contact-form label{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:-.5rem}
.contact-form input,.contact-form textarea{background:var(--dark2);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:.85rem 1rem;color:var(--white);font-size:.95rem;font-family:inherit;transition:border-color .3s;outline:none;resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--teal)}
.contact-form textarea{min-height:120px}
.contact-form .btn{align-self:flex-start;margin-top:.5rem}
.contact-info{display:flex;flex-direction:column;gap:1.5rem}
.contact-info-item{display:flex;align-items:flex-start;gap:1rem}
.contact-info-item .icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(0,212,170,.1);color:var(--teal);flex-shrink:0}
.contact-info-item div h4{font-size:.95rem;margin-bottom:.2rem}
.contact-info-item div p{color:rgba(255,255,255,.6);font-size:.88rem}

/* Footer */
.site-footer{background:var(--dark2);padding:2.5rem 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-content{text-align:center;color:rgba(255,255,255,.4);font-size:.85rem}
.footer-content p{margin-bottom:.3rem}
.footer-content a{color:var(--teal);opacity:.7;transition:opacity .3s}
.footer-content a:hover{opacity:1}

/* Auth pages */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:8rem 1rem 2rem}
.auth-card{background:var(--dark2);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:2.5rem;max-width:420px;width:100%}
.auth-card h1{margin-bottom:.5rem;font-size:1.5rem;font-weight:700;text-align:center}
.auth-card .subtitle{color:rgba(255,255,255,.6);text-align:center;margin-bottom:2rem;font-size:.92rem}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;margin-bottom:.5rem;font-size:.88rem;color:rgba(255,255,255,.8)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:.8rem 1rem;background:var(--dark);border:1px solid rgba(255,255,255,.1);border-radius:8px;color:var(--white);font-size:.92rem;transition:border-color .3s;font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--teal)}
.form-row{display:flex;gap:.5rem}
.form-row input{flex:1}
.form-row button{padding:.8rem 1rem;background:rgba(0,212,170,.1);border:1px solid var(--teal);color:var(--teal);border-radius:8px;cursor:pointer;white-space:nowrap;font-size:.85rem;font-family:inherit}
.form-row button:hover:not(:disabled){background:rgba(0,212,170,.2)}
.form-row button:disabled{opacity:.5;cursor:not-allowed}
.btn-block{width:100%;padding:.9rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border:none;border-radius:8px;font-weight:600;cursor:pointer;font-size:1rem;letter-spacing:1px;font-family:inherit}
.btn-block:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,212,170,.4)}
.error-msg{background:rgba(255,80,80,.1);border:1px solid rgba(255,80,80,.3);color:#ff8080;padding:.8rem 1rem;border-radius:8px;margin-bottom:1.2rem;font-size:.88rem;text-align:center}
.success-msg{background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.3);color:var(--teal);padding:.8rem 1rem;border-radius:8px;margin-bottom:1.2rem;font-size:.88rem;text-align:center}
.auth-foot{text-align:center;margin-top:1.5rem;font-size:.88rem;color:rgba(255,255,255,.6)}
.auth-foot a{color:var(--teal)}

/* Admin */
.admin-page{padding:7rem 2rem 2rem}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}
.admin-card{background:var(--dark2);padding:1.5rem;border-radius:12px;border:1px solid rgba(255,255,255,.06)}
.admin-card h3{color:var(--teal);font-size:.85rem;margin-bottom:.5rem;font-weight:600;letter-spacing:1px}
.admin-card .num{font-size:2rem;font-weight:700}
table{width:100%;border-collapse:collapse;margin-top:1rem;background:var(--dark2);border-radius:12px;overflow:hidden}
th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.06);font-size:.9rem}
th{color:rgba(255,255,255,.6);font-weight:600;font-size:.85rem;letter-spacing:1px;background:rgba(255,255,255,.02)}
tr:hover{background:rgba(255,255,255,.02)}

/* Error */
.error-page{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8rem 1rem;text-align:center}
.error-page h1{font-size:5rem;color:var(--teal);margin-bottom:1rem}

/* Animation */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .hero .subtitle{font-size:1rem}
  .hero p{font-size:.9rem}
  .main-nav{display:none}
  .nav-hamburger{display:flex}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:2rem}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .section-title h2{font-size:1.5rem}
  .case-row{grid-template-columns:1fr;gap:1rem}
  .cta-banner{padding:2rem 1.5rem}
}
@media(max-width:480px){
  .hero h1{font-size:1.6rem}
  .hero-btns{flex-direction:column;align-items:center}
  .services-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
}

/* === 服务详情页样式 === */

/* 面包屑 */
.breadcrumb{padding:6.5rem 2rem 1rem;background:var(--dark2)}
.breadcrumb-content{max-width:1100px;margin:0 auto;font-size:.88rem;color:rgba(255,255,255,.5)}
.breadcrumb-content a{color:var(--teal);opacity:.7;transition:opacity .3s}
.breadcrumb-content a:hover{opacity:1}
.breadcrumb-content .separator{margin:0 .6rem;color:rgba(255,255,255,.3)}

/* 页面头部 */
.page-header{padding:2rem 2rem 4rem;text-align:center;background:linear-gradient(180deg,var(--dark2) 0%,var(--dark) 100%);position:relative;overflow:hidden}
.page-header-content{max-width:760px;margin:0 auto;position:relative;z-index:1}
.page-header .badge{display:inline-block;padding:.3rem 1rem;background:rgba(0,212,170,.12);border:1px solid rgba(0,212,170,.3);border-radius:20px;font-size:.78rem;color:var(--teal);font-weight:600;letter-spacing:1px;margin-bottom:1rem}
.page-header h1{font-size:2.6rem;font-weight:800;letter-spacing:2px;margin-bottom:1rem;background:linear-gradient(135deg,var(--white) 0%,var(--teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-header .description{font-size:1.1rem;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:1.5rem}
.page-header .highlight{color:var(--teal);font-weight:600}
.promise-banner{display:inline-flex;align-items:center;gap:.6rem;padding:.6rem 1.3rem;background:rgba(0,212,170,.08);border:1px solid rgba(0,212,170,.3);border-radius:30px;font-size:.88rem;color:var(--teal);font-weight:600}
.promise-banner .icon{width:20px;height:20px;border-radius:50%;background:var(--teal);color:var(--dark);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}

/* 特色卡片网格 */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.feature-card{background:var(--dark2);padding:2rem 1.8rem;border-radius:14px;border:1px solid rgba(255,255,255,.06);transition:all .3s;text-align:center}
.feature-card:hover{border-color:rgba(0,212,170,.3);transform:translateY(-4px)}
.feature-icon{width:60px;height:60px;margin:0 auto 1rem;font-size:1.8rem;background:rgba(0,212,170,.08);border-radius:14px;display:flex;align-items:center;justify-content:center}
.feature-card h3{font-size:1.1rem;margin-bottom:.5rem;font-weight:700}
.feature-card p{color:rgba(255,255,255,.6);font-size:.92rem;line-height:1.7}

/* 价格档位 */
.pricing-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}
.price-card{background:var(--dark2);padding:2.5rem 2rem;border-radius:16px;border:1px solid rgba(255,255,255,.08);position:relative;transition:all .3s}
.price-card:hover{border-color:rgba(0,212,170,.3);transform:translateY(-4px)}
.price-card.popular{border-color:var(--teal);box-shadow:0 10px 40px rgba(0,212,170,.15)}
.popular-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);padding:.3rem 1.2rem;border-radius:20px;font-size:.75rem;font-weight:700;letter-spacing:1px}
.price-card h3{font-size:1.3rem;font-weight:700;margin-bottom:.5rem}
.price-card .price{font-size:2.4rem;font-weight:800;color:var(--teal);margin-bottom:.5rem;line-height:1}
.price-card .price span{font-size:.9rem;color:rgba(255,255,255,.5);font-weight:400}
.price-card .description{color:rgba(255,255,255,.6);font-size:.92rem;margin-bottom:1.5rem;line-height:1.6}
.price-card ul.features{list-style:none;padding:0;margin-bottom:1.5rem}
.price-card ul.features li{padding:.5rem 0;color:rgba(255,255,255,.85);font-size:.92rem;display:flex;align-items:center;gap:.5rem}
.price-card ul.features li .check{color:var(--teal);font-weight:700}
.price-card .cta{width:100%;padding:.85rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border:none;border-radius:8px;font-weight:600;cursor:pointer;font-size:.95rem;font-family:inherit;transition:all .3s}
.price-card .cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,212,170,.4)}

/* 适用场景 */
.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}
.scenario-tag{background:var(--dark2);padding:1.5rem;border-radius:12px;border:1px solid rgba(255,255,255,.06);transition:all .3s;text-align:center}
.scenario-tag:hover{border-color:rgba(77,168,218,.3);transform:translateY(-3px)}
.scenario-tag .icon{font-size:2rem;margin-bottom:.5rem}
.scenario-tag h4{font-size:.98rem;margin-bottom:.3rem;font-weight:600}
.scenario-tag p{color:rgba(255,255,255,.6);font-size:.85rem;line-height:1.6}

/* 学员评价 */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:900px;margin:0 auto}
.testimonial-card{background:var(--dark2);padding:2rem;border-radius:14px;border:1px solid rgba(255,255,255,.06)}
.testimonial-quote{font-size:.95rem;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:1.2rem;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:.8rem}
.testimonial-author .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem}
.testimonial-author h4{font-size:.95rem;margin-bottom:.1rem}
.testimonial-author p{color:rgba(255,255,255,.5);font-size:.82rem}

/* FAQ */
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}
.faq-item{background:var(--dark2);padding:1.5rem 1.8rem;border-radius:12px;border:1px solid rgba(255,255,255,.06)}
.faq-item h4{color:var(--teal);font-size:1rem;margin-bottom:.5rem;font-weight:600}
.faq-item p{color:rgba(255,255,255,.7);font-size:.92rem;line-height:1.7}

@media(max-width:768px){
  .page-header h1{font-size:1.8rem}
  .pricing-table{grid-template-columns:1fr}
}

/* === 管理后台增强 === */

/* 状态徽章 */
.status-badge{display:inline-block;padding:.2rem .7rem;border-radius:12px;font-size:.75rem;font-weight:600}
.status-pending{background:rgba(255,193,7,.15);color:#ffc107}
.status-confirmed{background:rgba(77,168,218,.15);color:var(--blue)}
.status-done{background:rgba(0,212,170,.15);color:var(--teal)}
.status-cancelled{background:rgba(255,80,80,.15);color:#ff8080}
.status-new{background:rgba(0,212,170,.15);color:var(--teal)}
.status-contacted{background:rgba(77,168,218,.15);color:var(--blue)}
.status-qualified{background:rgba(156,39,176,.15);color:#ce93d8}
.status-closed{background:rgba(158,158,158,.15);color:rgba(255,255,255,.5)}

/* 筛选标签栏 */
.filter-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem}
.filter-tab{padding:.5rem 1.1rem;background:var(--dark2);border:1px solid rgba(255,255,255,.06);border-radius:20px;font-size:.85rem;color:rgba(255,255,255,.7);transition:all .2s;display:inline-flex;align-items:center;gap:.4rem}
.filter-tab:hover{border-color:rgba(0,212,170,.3);color:var(--teal)}
.filter-tab.active{background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border-color:transparent;font-weight:600}
.filter-tab .count{background:rgba(255,255,255,.1);padding:0 .4rem;border-radius:8px;font-size:.75rem;font-weight:600}
.filter-tab.active .count{background:rgba(0,0,0,.2);color:var(--dark)}

/* 状态下拉 */
.status-select{background:var(--dark);color:var(--white);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:.3rem .5rem;font-size:.8rem;cursor:pointer;font-family:inherit;outline:none}
.status-select:focus{border-color:var(--teal)}
.status-select.status-pending{color:#ffc107}
.status-select.status-confirmed{color:var(--blue)}
.status-select.status-done{color:var(--teal)}
.status-select.status-cancelled{color:#ff8080}
.status-select.status-new{color:var(--teal)}
.status-select.status-contacted{color:var(--blue)}
.status-select.status-qualified{color:#ce93d8}
.status-select.status-closed{color:rgba(255,255,255,.5)}

/* 数据表格 */
.data-table{width:100%;border-collapse:collapse;margin-top:.5rem;background:var(--dark2);border-radius:12px;overflow:hidden}
.data-table th,.data-table td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.06);font-size:.85rem;vertical-align:middle}
.data-table th{color:rgba(255,255,255,.6);font-weight:600;font-size:.78rem;letter-spacing:1px;background:rgba(255,255,255,.02);white-space:nowrap}
.data-table tr:hover{background:rgba(0,212,170,.03)}

/* 删除按钮 */
.btn-icon-danger{background:rgba(255,80,80,.1);border:1px solid rgba(255,80,80,.3);color:#ff8080;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:.85rem;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.btn-icon-danger:hover{background:rgba(255,80,80,.2)}

/* 空状态 */
.empty-state{padding:3rem 2rem;text-align:center;color:rgba(255,255,255,.4);font-size:.95rem;background:var(--dark2);border-radius:12px;border:1px dashed rgba(255,255,255,.08)}

/* Toast 通知 */
.toast{position:fixed;top:5rem;right:2rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);padding:1rem 1.5rem;border-radius:10px;box-shadow:0 8px 30px rgba(0,212,170,.3);z-index:1000;font-weight:600;font-size:.92rem;animation:toastSlide .4s ease-out;max-width:360px}
@keyframes toastSlide{from{transform:translateX(120%);opacity:0}to{transform:translateX(0);opacity:1}}

@media(max-width:768px){
  .data-table{display:block;overflow-x:auto;white-space:nowrap}
  .admin-grid{grid-template-columns:repeat(2,1fr)}
}

/* 错误页增强 */
.error-page .error-code{font-size:8rem;font-weight:800;background:linear-gradient(135deg,var(--teal),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:1rem;letter-spacing:4px}
.error-page h1{font-size:1.8rem;margin-bottom:.8rem}
.error-page p{color:rgba(255,255,255,.6);font-size:1rem;max-width:480px;margin:0 auto}

/* 密码强度 + 表单 hint */
.hint{font-size:.75rem;font-weight:600;margin-left:.5rem}
.password-strength{margin-top:.6rem;background:var(--dark);padding:.7rem;border-radius:8px;border:1px solid rgba(255,255,255,.08)}
.strength-bar{height:5px;background:rgba(255,255,255,.1);border-radius:3px;overflow:hidden;margin-bottom:.4rem}
.strength-bar span{display:block;height:100%;width:0;background:#ff5050;transition:width .3s,background .3s;border-radius:3px}
.strength-text{font-size:.75rem;font-weight:600;margin-bottom:.5rem}
.strength-rules{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:.3rem}
.strength-rules li{font-size:.72rem;color:rgba(255,255,255,.4);position:relative;padding-left:1rem;transition:color .2s}
.strength-rules li::before{content:'○';position:absolute;left:0;color:rgba(255,255,255,.3)}
.strength-rules li.ok{color:var(--teal)}
.strength-rules li.ok::before{content:'✓';color:var(--teal)}

/* 邀请码申请 section */
#apply-code{margin-top:0}

/* 案例卡片增强 + 详情展开 */
.case-card{cursor:default}
.case-details{margin-top:.8rem;padding-top:.8rem;border-top:1px dashed rgba(255,255,255,.08);display:none;grid-template-columns:1fr 1fr;gap:.8rem;font-size:.85rem}
.case-card.expanded .case-details{display:grid}
.case-details-item strong{color:var(--blue);font-size:.78rem;letter-spacing:1px;display:block;margin-bottom:.2rem}
.case-details-item span{color:rgba(255,255,255,.7);line-height:1.6}
.case-toggle{display:inline-block;margin-top:.8rem;font-size:.82rem;color:var(--teal);cursor:pointer;background:none;border:none;font-family:inherit;padding:0;border-bottom:1px dashed transparent;transition:border-color .2s}
.case-toggle:hover{border-color:var(--teal)}
.case-card.expanded .case-toggle-text-collapsed{display:none}
.case-card:not(.expanded) .case-toggle-text-expanded{display:none}

/* 模态遮罩 */
.modal-backdrop{position:fixed;inset:0;background:rgba(11,25,41,.85);backdrop-filter:blur(8px);z-index:200;display:none;align-items:center;justify-content:center;padding:2rem}
.modal-backdrop.open{display:flex}
.modal{background:var(--dark2);border:1px solid rgba(0,212,170,.3);border-radius:16px;max-width:680px;width:100%;max-height:90vh;overflow-y:auto;padding:2.5rem;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal-close{position:absolute;top:1rem;right:1rem;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.08);border:none;color:var(--white);cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:background .2s}
.modal-close:hover{background:rgba(255,80,80,.2);color:#ff8080}

/* 登录失败警告 */
.login-warning{font-size:.78rem;color:#ffc107;margin-top:.8rem;padding:.5rem .7rem;background:rgba(255,193,7,.08);border:1px solid rgba(255,193,7,.2);border-radius:6px;text-align:center}
.login-warning.locked{color:#ff8080;background:rgba(255,80,80,.1);border-color:rgba(255,80,80,.3)}

/* 用户操作按钮 */
.btn-icon-warn{background:rgba(255,193,7,.1);border:1px solid rgba(255,193,7,.3);color:#ffc107;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:.85rem;display:inline-flex;align-items:center;justify-content:center;transition:all .2s;margin-right:.2rem}
.btn-icon-warn:hover{background:rgba(255,193,7,.2)}

/* 客户 logo 墙 */
.client-wall{padding:3rem 2rem;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.client-wall-title{text-align:center;color:rgba(255,255,255,.5);font-size:.85rem;letter-spacing:2px;margin-bottom:2rem;text-transform:uppercase}
.client-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem 3rem;max-width:900px;margin:0 auto}
.client-logo{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:rgba(255,255,255,.6);transition:color .3s;font-size:.92rem}
.client-logo:hover{color:var(--teal)}
.client-logo .logo-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(0,212,170,.1),rgba(77,168,218,.1));border:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;transition:all .3s}
.client-logo:hover .logo-icon{border-color:rgba(0,212,170,.3);transform:translateY(-2px)}

/* 管理后台快捷导航 */
.quick-nav{display:flex;gap:.5rem;flex-wrap:wrap}
.quick-nav-item{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;background:var(--dark);border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:.85rem;color:rgba(255,255,255,.8);transition:all .2s}
.quick-nav-item:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-1px)}
.quick-nav-item em{font-style:normal;background:rgba(0,212,170,.12);color:var(--teal);padding:0 .4rem;border-radius:6px;font-size:.78rem;font-weight:600}

/* 打字效果 */
.typed{color:var(--teal);position:relative;display:inline-block;min-width:5em;text-align:left}
.typed::after{content:'|';color:var(--teal);animation:cursorBlink 1s infinite;font-weight:300;margin-left:.05em}
@keyframes cursorBlink{0%,50%{opacity:1}51%,100%{opacity:0}}

/* 图表卡片 */
.charts-grid{margin-bottom:2rem}
.admin-card canvas{max-width:100%;margin-top:1rem}

/* 滚动进度条 */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--teal),var(--blue));z-index:200;transition:width .1s ease-out;box-shadow:0 0 10px rgba(0,212,170,.5)}

/* 回到顶部 */
.back-to-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border:none;font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s;z-index:100;box-shadow:0 4px 15px rgba(0,212,170,.4)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,212,170,.5)}

/* 状态时间线 */
.timeline{position:relative;padding-left:2rem;margin:1rem 0}
.timeline::before{content:'';position:absolute;left:.4rem;top:0;bottom:0;width:2px;background:rgba(255,255,255,.1)}
.timeline-item{position:relative;padding:0 0 1.2rem .5rem;font-size:.9rem}
.timeline-item::before{content:'';position:absolute;left:-1.4rem;top:.3rem;width:12px;height:12px;border-radius:50%;background:var(--teal);border:2px solid var(--dark);box-shadow:0 0 0 2px var(--teal)}
.timeline-item.pending::before{background:#ffc107;box-shadow:0 0 0 2px #ffc107}
.timeline-item.confirmed::before{background:var(--blue);box-shadow:0 0 0 2px var(--blue)}
.timeline-item.done::before{background:var(--teal);box-shadow:0 0 0 2px var(--teal)}
.timeline-item.cancelled::before{background:#ff8080;box-shadow:0 0 0 2px #ff8080}
.timeline-item.new::before{background:var(--teal);box-shadow:0 0 0 2px var(--teal)}
.timeline-item.contacted::before{background:var(--blue);box-shadow:0 0 0 2px var(--blue)}
.timeline-item.qualified::before{background:#ce93d8;box-shadow:0 0 0 2px #ce93d8}
.timeline-item.closed::before{background:rgba(255,255,255,.5);box-shadow:0 0 0 2px rgba(255,255,255,.5)}
.timeline-time{color:rgba(255,255,255,.5);font-size:.78rem;margin-bottom:.2rem}
.timeline-content{color:rgba(255,255,255,.85);line-height:1.6}
.timeline-content strong{color:var(--teal)}

/* 批量操作栏 */
.bulk-bar{display:flex;align-items:center;gap:1rem;padding:.8rem 1rem;background:var(--dark3);border:1px solid rgba(255,255,255,.08);border-radius:8px;margin-bottom:.8rem;position:sticky;top:5.5rem;z-index:10}
.bulk-check{display:flex;align-items:center;gap:.5rem;font-size:.88rem;color:rgba(255,255,255,.8);cursor:pointer}
.bulk-check input{cursor:pointer}
.btn-bulk-danger{margin-left:auto;background:rgba(255,80,80,.15);border:1px solid rgba(255,80,80,.4);color:#ff8080;padding:.5rem 1rem;border-radius:6px;font-size:.85rem;cursor:pointer;transition:all .2s;font-family:inherit}
.btn-bulk-danger:hover:not(:disabled){background:rgba(255,80,80,.25)}
.btn-bulk-danger:disabled{opacity:.4;cursor:not-allowed}

/* 行 checkbox */
.data-table input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--teal);vertical-align:middle}
.data-table tbody tr:has(input:checked){background:rgba(0,212,170,.04)}

/* 阅读时间徽章 */
.read-time{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .7rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;font-size:.78rem;color:rgba(255,255,255,.6);margin-left:.8rem}

/* 导出按钮 */
.filter-tab-export{margin-left:auto;background:rgba(0,212,170,.1);border-color:rgba(0,212,170,.3);color:var(--teal)}
.filter-tab-export:hover{background:rgba(0,212,170,.2);transform:translateY(-1px)}

/* 日期筛选栏 */
.date-filter{display:flex;align-items:center;gap:.6rem;margin-bottom:1.5rem;padding:.8rem 1rem;background:var(--dark2);border:1px solid rgba(255,255,255,.06);border-radius:8px;flex-wrap:wrap}
.date-filter label{font-size:.82rem;color:rgba(255,255,255,.7)}
.date-filter input[type=date]{background:var(--dark);border:1px solid rgba(255,255,255,.1);border-radius:6px;color:var(--white);padding:.4rem .6rem;font-size:.82rem;font-family:inherit;color-scheme:dark}
.date-filter input[type=date]:focus{outline:none;border-color:var(--teal)}

/* Hero 动画光斑 */
@keyframes heroOrb1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(60px,-40px); } }
@keyframes heroOrb2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-50px,30px); } }
.hero-orb-1 { position: absolute; top: 15%; left: 10%; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(0,212,170,.18), transparent 70%); pointer-events: none; animation: heroOrb1 12s ease-in-out infinite; }
.hero-orb-2 { position: absolute; bottom: 10%; right: 5%; width: 250px; height: 250px; border-radius: 50%; background: radial-gradient(circle, rgba(77,168,218,.15), transparent 70%); pointer-events: none; animation: heroOrb2 15s ease-in-out infinite; }

/* 订阅 block */
.subscribe-block{text-align:center;padding-bottom:2rem;margin-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.06)}
.subscribe-block h4{font-size:1.1rem;margin-bottom:.4rem}
.subscribe-block p{color:rgba(255,255,255,.6);font-size:.88rem;margin-bottom:1rem}
.subscribe-form{display:flex;gap:.5rem;justify-content:center;max-width:480px;margin:0 auto}
.subscribe-form input{flex:1;padding:.7rem 1rem;background:var(--dark);border:1px solid rgba(255,255,255,.1);border-radius:8px;color:var(--white);font-size:.92rem;font-family:inherit}
.subscribe-form input:focus{outline:none;border-color:var(--teal)}
.subscribe-form button{padding:.7rem 1.5rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border:none;border-radius:8px;font-weight:600;cursor:pointer;font-family:inherit;font-size:.92rem}
.subscribe-form button:hover{transform:translateY(-1px);box-shadow:0 6px 15px rgba(0,212,170,.4)}
.subscribe-msg{margin-top:.8rem;min-height:1rem;font-size:.85rem;color:var(--teal)}
.subscribe-msg.error{color:#ff8080}

/* 实时刷新指示器 */
.refresh-indicator{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;color:rgba(255,255,255,.5);margin-left:auto}
.refresh-indicator .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}

/* 首页评价轮播 */
.testimonials-section{background:linear-gradient(180deg,var(--dark) 0%,var(--dark2) 100%)}
.testimonial-carousel{max-width:760px;margin:0 auto;overflow:hidden;position:relative}
.testimonial-track{display:flex;transition:transform .5s ease}
.testimonial-slide{flex:0 0 100%;padding:0 .5rem;box-sizing:border-box}
.testimonial-slide .testimonial-quote{font-size:1.15rem;line-height:1.8;color:rgba(255,255,255,.9);text-align:center;margin-bottom:1.5rem;font-style:italic;min-height:5rem}
.testimonial-slide .testimonial-author{display:flex;align-items:center;justify-content:center;gap:.8rem}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:1.5rem;margin-top:2rem}
.carousel-prev,.carousel-next{width:40px;height:40px;border-radius:50%;background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.3);color:var(--teal);cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.carousel-prev:hover,.carousel-next:hover{background:rgba(0,212,170,.2);transform:scale(1.1)}
.carousel-dots{display:flex;gap:.4rem}
.carousel-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2);cursor:pointer;transition:all .2s}
.carousel-dot.active{background:var(--teal);transform:scale(1.4)}

/* 移动端浮动 CTA */
.mobile-cta{position:fixed;bottom:2rem;left:2rem;display:none;align-items:center;gap:.5rem;padding:.8rem 1.3rem;background:linear-gradient(135deg,var(--teal),var(--blue-dim));color:var(--dark);border-radius:30px;font-weight:700;font-size:.95rem;box-shadow:0 6px 20px rgba(0,212,170,.4);z-index:100;transition:all .3s}
.mobile-cta:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,212,170,.5)}
.mobile-cta.show{display:inline-flex}

@media(max-width:768px){
    .mobile-cta{display:inline-flex;left:1rem;bottom:1rem;padding:.7rem 1.2rem;font-size:.88rem}
    .back-to-top{bottom:5rem;right:1rem;width:40px;height:40px}
}

/* 服务快速导航 */
.service-quick-nav{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;padding:1rem 0;background:var(--dark2);border-radius:12px;border:1px solid rgba(255,255,255,.06)}
.service-quick-link{padding:.5rem 1rem;background:var(--dark);border:1px solid rgba(255,255,255,.08);border-radius:20px;font-size:.85rem;color:rgba(255,255,255,.8);transition:all .2s;text-decoration:none}
.service-quick-link:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-1px)}

/* 服务卡片链接化（整卡可点击） */
.service-card-link{text-decoration:none;color:inherit;display:block}
.service-card-link .service-card{cursor:pointer;height:100%}

/* nav 增强：滚动时更明显的阴影 */
.site-header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,.5);border-bottom:1px solid rgba(0,212,170,.1)}

/* 全局搜索 */
.search-bar{display:flex;gap:.5rem}
.search-bar input{flex:1;padding:.85rem 1rem;background:var(--dark2);border:1px solid rgba(255,255,255,.1);border-radius:8px;color:var(--white);font-size:1rem;font-family:inherit}
.search-bar input:focus{outline:none;border-color:var(--teal)}
.search-summary{padding:1rem;background:var(--dark2);border-radius:8px;border:1px solid rgba(255,255,255,.06);font-size:.92rem;color:rgba(255,255,255,.8)}
.search-summary .badge{display:inline-block;margin-left:.4rem;padding:.2rem .6rem;background:rgba(0,212,170,.1);color:var(--teal);border-radius:12px;font-size:.78rem;font-weight:600}

/* 订阅者标签 */
.tag-chip{display:inline-flex;align-items:center;gap:.3rem;padding:.3rem .8rem;background:rgba(206,147,216,.12);border:1px solid rgba(206,147,216,.3);border-radius:14px;font-size:.82rem;color:#ce93d8;text-decoration:none;transition:all .2s}
.tag-chip:hover{background:rgba(206,147,216,.2);transform:translateY(-1px)}
.tag-chip .tag-count{background:rgba(0,0,0,.2);padding:0 .4rem;border-radius:8px;font-size:.72rem;font-weight:600}
.tag-inline{display:inline-block;padding:.15rem .5rem;margin:.1rem;background:rgba(206,147,216,.1);border:1px solid rgba(206,147,216,.2);border-radius:10px;font-size:.72rem;color:#ce93d8;text-decoration:none}
.tag-inline:hover{background:rgba(206,147,216,.2)}