/* 威库宝官网 前台样式（首页 + 详情页共用） */
:root{--navy:#2b2b2b;--navy2:#3a3a3a;--blue:#c8102e;--blue2:#e60012;--cyan:#ff5a5a;--gold:#e8b04b;--ink:#262626;--gray:#6b6b6b;--bg:#f7f6f4;--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{text-decoration:none;color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid #eae8e5}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--navy)}
.logo .mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}
.logo small{font-weight:400;color:var(--gray);font-size:12px;display:block;line-height:1.2}
nav ul{display:flex;gap:22px;list-style:none;font-size:14.5px}
nav a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff;padding:9px 20px;border-radius:24px;font-size:14px;font-weight:600}
.hero{background:linear-gradient(140deg,var(--navy) 0%,#3d3d3d 55%,#8f0c1f 100%);color:#fff;padding:84px 0 76px}
.hero .tag{display:inline-block;border:1px solid rgba(255,255,255,.35);border-radius:20px;padding:5px 16px;font-size:13px;color:var(--cyan);margin-bottom:22px}
.hero h1{font-size:40px;line-height:1.3;font-weight:800}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero .sub{margin:18px 0 30px;font-size:16.5px;color:#d8d5d0;max-width:660px}
.btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-main{background:linear-gradient(90deg,var(--blue2),var(--cyan));color:#fff;padding:14px 32px;border-radius:30px;font-weight:700}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;padding:14px 32px;border-radius:30px}
.stats{display:flex;gap:44px;margin-top:48px;flex-wrap:wrap}
.stats b{display:block;font-size:28px}.stats b i{font-style:normal;color:var(--gold)}
.stats span{font-size:13px;color:#bdbbb6}
.ind-strip{background:var(--navy);padding:22px 0;color:#b5b2ad;font-size:13.5px}
.ind-strip .wrap{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;align-items:center}
.ind-strip b{color:#fff}.ind-strip span{border:1px solid #484848;border-radius:16px;padding:3px 14px}
section{padding:80px 0}
.sec-head{text-align:center;max-width:660px;margin:0 auto 50px}
.kicker{color:var(--blue2);font-weight:700;font-size:14px;letter-spacing:3px}
.sec-head h2{font-size:31px;margin:10px 0 14px;color:var(--navy)}
.sec-head p{color:var(--gray);font-size:15px}
#services{background:var(--bg)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{background:#fff;border-radius:var(--radius);padding:34px 28px;box-shadow:0 6px 28px rgba(14,49,95,.07);border-top:4px solid var(--blue2)}
.svc-card:nth-child(2){border-top-color:var(--cyan)}.svc-card:nth-child(3){border-top-color:var(--gold)}
.svc-card .ico{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#fdecee,#f9d8dc);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.svc-card h3{font-size:20px;color:var(--navy)}.svc-card .en{font-size:12px;color:#a8a5a0;margin-bottom:14px}
.svc-card ul{list-style:none}.svc-card li{padding:6px 0 6px 26px;position:relative;font-size:14px;color:#33465f}
.svc-card li::before{content:"✓";position:absolute;left:0;color:var(--blue2);font-weight:700}
.svc-card .price{margin-top:16px;padding-top:14px;border-top:1px dashed #e6e4e0;font-size:13px;color:var(--gray)}
.svc-card .price b{color:var(--blue);font-size:15.5px}
.geo-deep .cols{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.geo-deep h3{font-size:23px;color:var(--navy);margin:14px 0}.geo-deep p{color:#3c4f68;font-size:15px;margin-bottom:13px}
.ai-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.ai-tags span{background:#fdecee;color:var(--blue);padding:7px 18px;border-radius:20px;font-size:14px;font-weight:600}
.steps{background:linear-gradient(150deg,var(--navy),#3a3a3a);border-radius:20px;padding:34px 30px;color:#fff}
.steps h3{color:#fff;font-size:19px;margin-bottom:20px}
.steps ol{list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:14px;padding:7px 0;font-size:14px;color:#d8d5d0}
.steps li::before{content:counter(s,decimal-leading-zero);flex:none;width:30px;height:30px;border-radius:8px;background:rgba(79,195,247,.18);border:1px solid rgba(79,195,247,.45);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700}
#solutions{background:var(--bg)}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{background:#fff;border-radius:var(--radius);padding:30px 28px;box-shadow:0 6px 24px rgba(14,49,95,.07);display:flex;gap:20px}
.sol-card .badge{flex:none;width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px}
.sol-card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.sol-card .pains{font-size:13.5px;color:var(--gray);margin-bottom:12px}.sol-card .pains b{color:#c0392b}
.combo{display:flex;flex-wrap:wrap;gap:8px}
.combo span{background:#fdecee;color:var(--blue);font-size:12.5px;padding:4px 12px;border-radius:14px;font-weight:600}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 24px rgba(14,49,95,.07)}
.case .bar{height:6px}.case .body{padding:24px}
.case .cate{font-size:12px;font-weight:700}
.case h3{font-size:17px;color:var(--navy);margin:8px 0 10px}.case p{font-size:13.5px;color:var(--gray)}
.case .num{margin-top:14px;display:flex;gap:24px}
.case .num b{font-size:21px;display:block}.case .num span{font-size:12px;color:var(--gray)}
#whitepapers{background:var(--bg)}
.wp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.wp{background:#fff;border:1px solid #eae8e5;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.wp:hover{box-shadow:0 10px 30px rgba(14,49,95,.12);transform:translateY(-3px)}
.wp .cover{height:120px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;text-align:center;padding:0 16px;line-height:1.5}
.wp .info{padding:18px;flex:1;display:flex;flex-direction:column}
.wp h3{font-size:15px;color:var(--navy);margin-bottom:8px;line-height:1.5}
.wp p{font-size:12.5px;color:var(--gray);flex:1}
.wp .dl{margin-top:14px;font-size:13px;font-weight:700;color:var(--blue2)}
#news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news{background:var(--bg);border-radius:var(--radius);padding:24px}
.news .cate{font-size:12px;font-weight:700;color:var(--blue2)}
.news h3{font-size:16px;color:var(--navy);margin:8px 0;line-height:1.55}
.news h3 a:hover{color:var(--blue2)}
.news p{font-size:13px;color:var(--gray)}
.news .meta{margin-top:14px;font-size:12px;color:#a8a5a0}
#about{background:var(--bg)}
.about-flex{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-flex h3{font-size:23px;color:var(--navy);margin-bottom:16px}
.about-flex p{font-size:15px;color:#3c4f68;margin-bottom:12px}
.fact-box{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:0 6px 24px rgba(14,49,95,.08)}
.fact-box dl{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px}
.fact-box dt{font-size:13px;color:var(--gray)}.fact-box dd{font-size:15px;font-weight:700;color:var(--navy)}
#contact{background:linear-gradient(140deg,var(--navy),#8f0c1f);color:#fff}
#contact .sec-head h2{color:#fff}#contact .sec-head p{color:#c4c1bc}
.contact-flex{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.c-item{display:flex;gap:14px;margin-bottom:20px}
.c-item .ico{flex:none;width:44px;height:44px;border-radius:12px;background:rgba(79,195,247,.15);border:1px solid rgba(79,195,247,.4);display:flex;align-items:center;justify-content:center;font-size:20px}
.c-item b{display:block}.c-item span{font-size:14px;color:#c4c1bc}
.lead-form{background:#fff;border-radius:16px;padding:32px;color:var(--ink)}
.lead-form h3{color:var(--navy)}.lead-form .tip{font-size:13px;color:var(--gray);margin-bottom:18px}
.f-row{margin-bottom:13px}
.f-row input,.f-row select{width:100%;padding:12px 14px;border:1.5px solid #e0deda;border-radius:10px;font-size:14px;background:#fbfaf8}
.lead-form button{width:100%;background:linear-gradient(90deg,var(--blue2),var(--cyan));color:#fff;border:none;padding:14px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer}
footer{background:#242424;color:#b5b2ad;padding:56px 0 30px;font-size:13.5px}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}footer ul{list-style:none}
footer li{margin-bottom:8px}footer a:hover{color:#fff}
.copyright{border-top:1px solid #3d3d3d;padding-top:22px;text-align:center;color:#8a8782;font-size:12.5px}

/* ---- 详情页 ---- */
.art-detail{padding:56px 0 80px}
.crumb{font-size:13px;color:#a8a5a0;margin-bottom:22px}
.crumb a{color:var(--blue2)}
.art-detail h1{font-size:30px;color:var(--navy);line-height:1.4;max-width:860px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--gray);margin:18px 0 30px;padding-bottom:20px;border-bottom:1px solid #eae8e5}
.art-meta .cate{background:#fdecee;color:var(--blue);font-weight:700;padding:2px 12px;border-radius:12px}
.art-body{max-width:860px;font-size:15.5px}
.art-body h4{font-size:18px;color:var(--navy);margin:28px 0 10px;padding-left:12px;border-left:4px solid var(--blue2)}
.art-body p{margin-bottom:14px;color:#33465f;text-align:justify}
.art-body strong{color:var(--navy)}
.art-cta{max-width:860px;margin-top:40px;background:var(--bg);border-radius:var(--radius);padding:26px 28px;font-size:14px;color:var(--gray)}
.art-cta a{color:var(--blue2);font-weight:700}
.pn{max-width:860px;display:flex;justify-content:space-between;gap:20px;margin-top:26px;flex-wrap:wrap}
.pn a{font-size:13.5px;color:var(--blue2);background:#f5f8fc;padding:10px 16px;border-radius:10px}

/* ---- 移动端汉堡导航 ---- */
.nav-toggle{display:none;width:40px;height:40px;border:none;background:transparent;cursor:pointer;padding:8px;flex:none}
.nav-toggle span{display:block;width:100%;height:2.5px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.25s}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid #eae8e5;box-shadow:0 8px 24px rgba(43,43,43,.08)}
.mobile-menu ul{list-style:none;padding:8px 0}
.mobile-menu a{display:block;padding:13px 28px;font-size:15px;color:var(--ink);font-weight:500}
.mobile-menu a:hover{background:#fdecee;color:var(--blue2)}
.mobile-menu .mm-cta{margin:8px 20px 14px;padding:12px;border-radius:26px;background:linear-gradient(90deg,var(--blue2),var(--cyan));color:#fff;text-align:center;font-weight:700}
body.nav-open .mobile-menu{display:block}
@media (min-width:901px){.mobile-menu{display:none!important}}

@media (max-width:900px){
  nav ul,.nav-cta{display:none}
  .nav-toggle{display:block}
  .hero h1{font-size:28px}
  .svc-grid,.case-grid,.news-grid,.sol-grid,.about-flex,.contact-flex{grid-template-columns:1fr}
  .wp-grid{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  section{padding:56px 0}
  .art-detail h1{font-size:24px}
}

/* ---- 列表页（资讯/白皮书/案例） ---- */
.list-hero{background:linear-gradient(140deg,var(--navy),#8f0c1f);color:#fff;padding:56px 0 48px}
.list-hero h1{font-size:30px;font-weight:800}
.list-hero p{margin-top:12px;font-size:14.5px;color:#c4c1bc}
.list-body{padding:64px 0 80px;background:#fff}
.wp-grid-list{margin-bottom:40px}
.news-grid-list{grid-template-columns:repeat(3,1fr);margin-bottom:40px}
.pager{display:flex;gap:10px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.pager a,.pager .cur{padding:8px 16px;border-radius:10px;font-size:14px}
.pager a{background:var(--bg);color:#33465f}
.pager a:hover{background:#fdecee;color:var(--blue2)}
.pager .cur{background:linear-gradient(90deg,var(--blue2),var(--cyan));color:#fff;font-weight:700}
.list-cta{margin-top:48px;background:var(--bg);border-radius:var(--radius);padding:26px;text-align:center;font-size:15px;color:var(--gray)}
.list-cta a{color:var(--blue2);font-weight:700}
.empty-tip{text-align:center;color:#a8a5a0;padding:40px 0;grid-column:1/-1}
.more-row{text-align:center;margin-top:38px}
.more-btn{display:inline-block;background:#fdecee;color:var(--blue);font-weight:700;padding:12px 34px;border-radius:26px;font-size:14.5px}
.more-btn:hover{background:#f9d0d6}
.more-link{font-size:13.5px;color:var(--blue2);font-weight:600}
.case h3 a:hover{color:var(--blue2)}
.wp .info h3 a{color:var(--navy)}.wp .info h3 a:hover{color:var(--blue2)}
.rel-box{max-width:860px;margin-top:40px;background:#fff;border:1px solid #eae8e5;border-radius:var(--radius);padding:26px 28px}
.rel-box h3{font-size:17px;color:var(--navy);margin-bottom:14px}
.rel-box ul{list-style:none}
.rel-box li{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed #f0efec;font-size:14px}
.rel-box li:last-child{border-bottom:none}
.rel-box li a{color:#33465f}.rel-box li a:hover{color:var(--blue2)}
.rel-box li span{color:#a8a5a0;font-size:12.5px;flex:none}
.lead-msg{font-size:13px;margin-top:12px;min-height:20px}
.lead-msg.ok{color:#0a7c50}.lead-msg.err{color:#c0392b}
@media (max-width:900px){.news-grid-list{grid-template-columns:1fr}.list-hero h1{font-size:24px}}

/* ---- 品牌LOGO ---- */
.logo{display:flex;align-items:center}
.logo-img{height:40px;width:auto;display:block}
footer .logo-img{height:56px;width:auto}
@media (max-width:900px){.logo-img{height:32px}}

/* ---- 页脚城市分站入口 ---- */
.f-cities{border-top:1px solid #3d3d3d;margin-top:34px;padding-top:22px}
.f-cities h4{color:#fff;font-size:14px;margin-bottom:12px}
.f-city-links a{display:inline-block;color:#8ea3c1;font-size:12.5px;margin:0 10px 8px 0;text-decoration:none}
.f-city-links a:hover{color:#fff}
.f-city-links a.more{color:#ff5a5a;font-weight:700}

/* ---- 信任板块：团队与客户评价 ---- */
#reviews{background:#fff}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rev{background:var(--bg);border-radius:var(--radius);padding:28px 26px;border:1px solid #eae8e5}
.rev .stars{color:var(--gold,#e8b04b);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.rev p{font-size:14px;color:#33465f;line-height:1.85}
.rev .who{margin-top:18px;padding-top:14px;border-top:1px solid #e6e4e0;font-size:13px;color:var(--gray)}
.rev .who b{color:var(--navy);font-size:14px}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
.team-card{background:#fff;border-radius:12px;padding:16px 10px;text-align:center;border:1px solid #eae8e5}
.team-card b{display:block;font-size:14px;color:var(--navy);margin-top:8px}
.team-card span{font-size:11.5px;color:var(--gray);line-height:1.5;display:block;margin-top:3px}
.t-avatar{width:44px;height:44px;border-radius:50%;margin:0 auto;background:linear-gradient(135deg,#e60012,#ff5a5a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.t-avatar.t2{background:linear-gradient(135deg,#3a3a3a,#8f0c1f)}
.t-avatar.t3{background:linear-gradient(135deg,#c8102e,#e8b04b)}
.t-avatar.t4{background:linear-gradient(135deg,#8f0c1f,#ff5a5a)}
@media (max-width:900px){.rev-grid{grid-template-columns:1fr}.team-grid{grid-template-columns:repeat(2,1fr)}}

/* ---- 三大业务咨询按钮 ---- */
.quote-btn{margin-top:14px;padding:11px 16px;border:none;border-radius:10px;background:linear-gradient(90deg,var(--blue2),var(--cyan));color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:.2s;font-family:inherit}
.quote-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 6px 16px rgba(230,0,18,.25)}

/* ---- 微信二维码弹窗 ---- */
.qr-modal{display:none;position:fixed;inset:0;z-index:999;background:rgba(20,20,20,.62);backdrop-filter:blur(3px);align-items:center;justify-content:center;padding:20px}
.qr-modal.show{display:flex}
.qr-box{position:relative;background:#fff;border-radius:18px;padding:34px 38px 28px;text-align:center;max-width:340px;width:100%;box-shadow:0 24px 70px rgba(0,0,0,.35);animation:qrIn .25s ease}
@keyframes qrIn{from{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:none}}
.qr-close{position:absolute;top:10px;right:14px;width:34px;height:34px;border:none;background:transparent;font-size:26px;color:#9b9b9b;cursor:pointer;line-height:1;border-radius:50%}
.qr-close:hover{background:#f5f6f8;color:#333}
.qr-box h3{font-size:19px;color:#2b2b2b;margin-bottom:16px}
.qr-box img{width:240px;height:240px;border:1px solid #ececec;border-radius:12px;display:block;margin:0 auto}
.qr-tip{margin-top:14px;font-size:14px;color:#5b6b6b}
.qr-tip b{color:#2b2b2b}
.qr-benefit{margin-top:8px;background:#fdecee;color:#c8102e;border-radius:10px;padding:10px 12px;font-size:13.5px}
.qr-benefit b{font-weight:700}
.qr-alt{margin-top:12px;font-size:12.5px;color:#9b9b9b}
.qr-alt a{color:#c8102e;text-decoration:underline}