:root{
  --navy:#0B1F3A;--navy2:#15315B;--gold:#D4AF37;--gold2:#E8C547;
  --bg:#F7F8FA;--white:#fff;--ink:#222;--gray:#5b6675;--line:#e6e9ef;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
/* Header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(11,31,58,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(212,175,55,.25)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{color:#fff;font-weight:800;font-size:1.15em;letter-spacing:.5px}
.logo b{color:var(--gold)}
.nav nav{display:flex;gap:22px}
.nav nav a{color:rgba(255,255,255,.82);font-size:.92em;transition:.2s}
.nav nav a:hover,.nav nav a.active{color:var(--gold)}
.nav .cta{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--navy);padding:8px 18px;border-radius:24px;font-weight:700;font-size:.9em}
@media(max-width:860px){.nav nav{display:none}}
/* Hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 70% -10%,rgba(212,175,55,.18),transparent),linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:72px 0 60px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border:1px solid rgba(212,175,55,.18);border-radius:50%;}
.hero::before{content:"";position:absolute;right:40px;top:40px;width:260px;height:260px;border:1px solid rgba(212,175,55,.12);border-radius:50%;}
.hero .wrap{position:relative;z-index:2}
.tag-line{display:inline-block;color:var(--gold);font-size:.85em;letter-spacing:3px;border:1px solid rgba(212,175,55,.4);padding:4px 14px;border-radius:20px;margin-bottom:18px}
.hero h1{font-size:2.7em;line-height:1.25;font-weight:800;margin-bottom:14px}
.hero h1 span{color:var(--gold)}
.hero p.lead{font-size:1.12em;opacity:.9;max-width:640px;margin-bottom:26px}
.herobadges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hb{background:rgba(255,255,255,.06);border:1px solid rgba(212,175,55,.3);padding:9px 16px;border-radius:10px;font-size:.92em}
.hb b{color:var(--gold)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:30px;font-weight:700;font-size:1em;transition:.2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--navy)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,175,55,.35)}
.btn-line{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
/* Stats */
.stats{background:var(--navy2);color:#fff;padding:30px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat .n{font-size:2em;font-weight:800;color:var(--gold)}
.stat .l{font-size:.9em;opacity:.85}
@media(max-width:680px){.stats .wrap{grid-template-columns:repeat(2,1fr)}}
/* Section */
section.block{padding:64px 0}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head .no{color:var(--gold);font-weight:800;letter-spacing:2px;font-size:.85em}
.sec-head h2{font-size:1.9em;color:var(--navy);margin:6px 0 8px}
.sec-head p{color:var(--gray);max-width:680px;margin:0 auto}
/* Services */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:22px}
.svc{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.25s;position:relative;overflow:hidden}
.svc:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(11,31,58,.1);border-color:rgba(212,175,55,.5)}
.svc .ico{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--navy2));display:flex;align-items:center;justify-content:center;font-size:1.5em;margin-bottom:14px}
.svc h3{color:var(--navy);font-size:1.2em;margin-bottom:4px}
.svc .price{color:#c0392b;font-weight:700;font-size:.95em;margin-bottom:10px}
.svc p{color:var(--gray);font-size:.93em;margin-bottom:12px}
.svc ul{list-style:none;font-size:.88em;color:#444}
.svc ul li{padding:3px 0 3px 18px;position:relative}
.svc ul li::before{content:"✓";color:var(--gold);position:absolute;left:0;font-weight:700}
/* Why */
.why{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.why .sec-head h2{color:#fff}.why .sec-head p{color:rgba(255,255,255,.7)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.why-card{background:rgba(255,255,255,.05);border:1px solid rgba(212,175,55,.25);border-radius:14px;padding:24px}
.why-card .big{font-size:1.5em;font-weight:800;color:var(--gold);margin-bottom:8px}
.why-card h3{font-size:1.05em;margin-bottom:6px}
.why-card p{font-size:.9em;opacity:.85}
/* Process */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--white);border-radius:14px;padding:24px;text-align:center;border:1px solid var(--line)}
.step .num{width:46px;height:46px;line-height:46px;border-radius:50%;background:var(--navy);color:var(--gold);font-weight:800;margin:0 auto 12px}
.step h4{color:var(--navy);margin-bottom:6px}
.step p{font-size:.88em;color:var(--gray)}
@media(max-width:760px){.flow{grid-template-columns:repeat(2,1fr)}}
/* Cases (homepage) */
.case{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.case .ph{background:linear-gradient(135deg,#dfe4ec,#c3ccda);min-height:220px;display:flex;align-items:center;justify-content:center;color:#5b6675;font-size:.95em;text-align:center;padding:20px;overflow:hidden}
.case .ph img{width:100%;height:100%;object-fit:cover;display:block}
.case .info{padding:28px}
.case .info .loc{color:var(--gold);font-weight:700;font-size:.9em}
.case .info h3{color:var(--navy);font-size:1.25em;margin:6px 0 12px}
.case .info .row{display:flex;gap:18px;margin:10px 0;font-size:.92em}
.case .info .row b{color:#c0392b}
@media(max-width:680px){.case{grid-template-columns:1fr}}
/* Areas */
.areas{background:var(--bg)}
.area-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.area-tags span{background:#fff;border:1px solid var(--line);padding:10px 18px;border-radius:24px;font-size:.92em;color:var(--navy)}
.area-tags span b{color:var(--gold)}
/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--navy);list-style:none;position:relative;padding-right:48px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--gold);font-size:1.4em;font-weight:700}
.faq-item[open] summary::after{content:"−"}
.faq-item .ans{padding:0 22px 18px;color:var(--gray);font-size:.93em}
/* Brand Proof / 品牌实力 */
.brand-proof{background:linear-gradient(135deg,#fff9f0,#fffdf5);border-top:2px solid var(--gold);border-bottom:2px solid rgba(212,175,55,.3);padding-bottom:36px}
/* 大图横幅 */
.proof-hero{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 12px 40px rgba(180,140,20,.2);max-width:680px;margin:0 auto}
.proof-hero img{width:100%;height:auto;display:block;object-fit:cover}
.proof-overlay{position:absolute;bottom:0;left:0;right:0;padding:28px 28px 22px;background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;text-align:center}
.proof-badge{display:inline-block;background:var(--gold);color:#000;font-size:.8em;font-weight:800;padding:4px 14px;border-radius:20px;margin-bottom:8px;letter-spacing:1px}
.proof-title{font-size:1.15em;font-weight:700;letter-spacing:.5px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.proof-video-btn{display:inline-block;margin-top:10px;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.4);color:#fff;padding:7px 20px;border-radius:24px;font-size:.85em;cursor:pointer;text-decoration:none;transition:all .2s}
.proof-video-btn:hover{background:rgba(255,255,255,.3);transform:scale(1.04)}
/* 视频弹窗 */
.proof-video-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;z-index:999;padding:20px}
/* 数据卡 */
.proof-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{background:#fff;border-radius:12px;padding:22px 16px;text-align:center;border:1px solid #f0e6cc;box-shadow:0 2px 10px rgba(180,140,20,.08);transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(180,140,20,.18)}
.pc-icon{font-size:2em;margin-bottom:6px}
.pc-n{font-size:1.5em;font-weight:800;color:var(--navy);margin:4px 0 2px}
.pc-l{font-size:.82em;color:#666;line-height:1.5}
.pc-l small{color:#aaa;font-size:.88em}
@media(max-width:768px){.proof-cards{grid-template-columns:repeat(2,1fr)}.proof-title{font-size:.95em}.proof-overlay{padding:18px 14px 14px}}
#brand{scroll-margin-top:70px}

/* Team */
#team{scroll-margin-top:70px;min-height:340px}
#faq{scroll-margin-top:70px}
#contact{scroll-margin-top:70px;padding-bottom:90px}

/* Contact QR Code / 联系区微信二维码 */
.contact-qr{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:28px;padding:22px;background:#fff;border-radius:14px;border:2px dashed var(--gold);max-width:520px;margin-left:auto;margin-right:auto}
.contact-qr img{width:160px;height:160px;border-radius:10px;border:1px solid #e8dfc0;object-fit:contain;flex-shrink:0}
.qr-text{text-align:left;color:#333}
.qr-text strong{font-size:1.05em;display:block;margin-bottom:4px}
.qr-text p{margin:0;font-size:.9em;color:#666;line-height:1.6}
@media(max-width:600px){.contact-qr{flex-direction:center;text-align:center;gap:16px;padding:18px}.qr-text strong{font-size:.95em}.qr-text p{font-size:.85em}}
#svc{scroll-margin-top:70px}
#why{scroll-margin-top:70px}
#area{scroll-margin-top:70px}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.member{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;text-align:center}
.member .av{width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy2));margin:0 auto 14px;display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:1.8em;font-weight:800;overflow:hidden}
.member .av img{width:100%;height:100%;object-fit:cover;display:block}
.member h3{color:var(--navy)}
.member .role{color:var(--gold);font-size:.9em;margin-bottom:8px}
.member p{font-size:.88em;color:var(--gray)}
.member .tel{margin-top:10px;font-weight:700;color:var(--navy)}
/* Contact */
.contact{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.contact .sec-head h2{color:#fff}.contact .sec-head p{color:rgba(255,255,255,.7)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.cc{background:rgba(255,255,255,.06);border:1px solid rgba(212,175,55,.3);border-radius:14px;padding:24px}
.cc h3{color:var(--gold);margin-bottom:8px}
.cc .big{font-size:1.35em;font-weight:800}
.cc p{font-size:.88em;opacity:.85;margin-top:6px}
/* Footer */
footer{background:#081628;color:rgba(255,255,255,.6);padding:34px 0;font-size:.85em;text-align:center}
footer b{color:var(--gold)}
.sticky-cta{position:fixed;bottom:18px;right:18px;z-index:60;background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--navy);padding:14px 24px;border-radius:40px;font-weight:800;box-shadow:0 10px 30px rgba(212,175,55,.4);display:none}
.sticky-cta.show{display:block}
@media(max-width:600px){.hero h1{font-size:1.9em}.stats .wrap{grid-template-columns:repeat(2,1fr)}}

/* ===== 栏目通用：面包屑 ===== */
.breadcrumb{padding:20px 0 0;font-size:.85em;color:var(--gray)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{margin:0 8px;color:#c2c9d4}
.breadcrumb .cur{color:var(--navy);font-weight:600}

/* ===== 列表页 ===== */
.list-head{text-align:center;padding:26px 0 6px}
.list-head .kicker{color:var(--gold);font-weight:800;letter-spacing:2px;font-size:.82em}
.list-head h1{font-size:2em;color:var(--navy);margin:8px 0;line-height:1.3}
.list-head p{color:var(--gray);max-width:720px;margin:0 auto}
.list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:22px;padding:34px 0 56px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(11,31,58,.1);border-color:rgba(212,175,55,.5)}
.card .thumb{height:184px;background:linear-gradient(135deg,#dfe4ec,#c3ccda);display:flex;align-items:center;justify-content:center;color:#5b6675;font-size:.9em;text-align:center;padding:16px;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.card .tag{color:var(--gold);font-weight:700;font-size:.8em;letter-spacing:1px}
.card h3{color:var(--navy);font-size:1.16em;margin:6px 0 10px;line-height:1.45}
.card p{color:var(--gray);font-size:.88em;flex:1}
.card .more{margin-top:14px;color:var(--navy);font-weight:700;font-size:.86em}
.card .more:hover{color:var(--gold)}
.empty-note{text-align:center;color:var(--gray);padding:22px;background:#fff;border:1px dashed var(--line);border-radius:12px;font-size:.9em;margin-bottom:40px}

/* ===== 文章页 ===== */
.article{max-width:880px;margin:0 auto;padding:8px 22px 60px}
.article-head{text-align:center;padding:22px 0 26px;border-bottom:1px solid var(--line);margin-bottom:26px}
.article-head .kicker{color:var(--gold);font-weight:800;letter-spacing:2px;font-size:.82em}
.article-head h1{font-size:2em;color:var(--navy);line-height:1.4;margin:10px 0 14px}
.article-meta{color:var(--gray);font-size:.88em}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:30px}
.fact{background:#fff;padding:16px;text-align:center}
.fact span{display:block;color:var(--gray);font-size:.78em;margin-bottom:4px}
.fact b{color:var(--navy);font-size:1.02em}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:34px}
.ba-item{min-width:0}
.ba-item .ph{height:248px;background:linear-gradient(135deg,#e6eaf1,#cdd5e2);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#5b6675;text-align:center;padding:18px;font-size:.92em;border:1px dashed #b9c2d0}
.ba-item img{width:100%;height:auto;display:block;border-radius:12px;border:1px solid var(--line);background:#f3f5f9}
.ba-item .cap{text-align:center;color:var(--gray);font-size:.85em;margin-top:8px}
.ba.single{grid-template-columns:1fr}
.ba.single .ba-item{max-width:440px;margin:0 auto}
@media(max-width:680px){.ba{grid-template-columns:1fr}.article-head h1{font-size:1.5em}}
.article-body h2{color:var(--navy);font-size:1.4em;margin:32px 0 12px;padding-left:12px;border-left:4px solid var(--gold)}
.article-body p{color:#3a4452;margin-bottom:14px}
.article-body ul{margin:0 0 14px 22px;color:#3a4452}
.article-body li{margin:6px 0}
.article-body strong{color:#c0392b}
.article-body .hint{background:#fffaf0;border:1px solid #f0e0b8;border-radius:10px;padding:12px 16px;font-size:.86em;color:#8a6d1f;margin:14px 0}
.article-faq{margin:38px 0;padding:26px;background:var(--bg);border-radius:16px}
.article-faq h2{color:var(--navy);font-size:1.28em;margin-bottom:16px}
.cta-box{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:16px;padding:30px;text-align:center;margin-top:30px}
.cta-box h3{color:var(--gold);margin-bottom:8px;font-size:1.2em}
.cta-box p{opacity:.9;margin-bottom:14px;font-size:.95em}
.cta-box a{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--navy);padding:12px 28px;border-radius:30px;font-weight:800}

/* ===== 客户故事页（kehu/*）专用样式 ===== */
nav.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:rgba(11,31,58,.94);position:relative;z-index:40}
nav.nav .inner a{color:#fff;font-weight:800;font-size:1.1em;letter-spacing:.5px}
nav.nav .inner b{color:var(--gold)}
nav.nav .back{color:rgba(255,255,255,.85);font-size:.9em;font-weight:600}
nav.nav .back:hover{color:var(--gold)}

.main{max-width:880px;margin:0 auto;padding:22px 22px 56px}
.main h1{font-size:2em;color:var(--navy);line-height:1.4;margin:10px 0 18px}
.main h1 span{color:var(--gold)}
.main .lead{color:#3a4452;font-size:1.05em;line-height:1.85}
.main figure.ba{margin:0 0 34px}
.main .ba figcaption{margin-bottom:10px;color:var(--navy);font-weight:600;font-size:.95em;line-height:1.5}

/* kehu 页 .ba 强制单列（修复多图案例页被 2 列布局挤到右半边的问题） */
.main .ba{grid-template-columns:1fr;gap:12px}
.main .ba .ba-item{max-width:100%}
.main .ba figcaption{text-align:center;color:var(--navy);font-weight:600;margin:6px 0 4px}


.quote-box{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:18px 22px;margin-bottom:14px}
.quote-box p{margin-bottom:8px}
.quote-box blockquote{font-size:1.08em;line-height:1.95;color:#2d3748}

.info-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.info-table td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:.95em;vertical-align:top}
.info-table tr:last-child td{border-bottom:none}
.info-table td:first-child{width:120px;color:var(--navy);background:#fafbfc;font-weight:600;white-space:nowrap}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card.mini{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;transition:.25s}
.card.mini:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(11,31,58,.1);border-color:rgba(212,175,55,.5)}
.card.mini h3{color:var(--navy);font-size:1.12em;margin-bottom:8px}
.card.mini p{color:var(--gray);font-size:.9em;line-height:1.7}

.cta-block{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:16px;padding:34px 22px;text-align:center;margin-top:30px}
.cta-block h2{color:var(--gold);font-size:1.4em;margin-bottom:10px}
.cta-block p{opacity:.9;margin-bottom:18px;font-size:.98em}
.cta-block .btn.btn-pri{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--navy);padding:13px 30px;border-radius:30px;font-weight:800;font-size:1em}
.cta-block .btn.btn-pri:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,175,55,.35)}

@media(max-width:680px){.grid-3{grid-template-columns:1fr}.main h1{font-size:1.55em}}