/* 城市分站单页模板样式 */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#1e293b;background:#fff;line-height:1.7}
:root{--primary:#2563eb;--accent:#0ea5e9;--deep:#0f172a;--cta-color:#c2410c;--cta-hover:#9a3412;--cta-shadow:#c2410c55}
a{color:inherit;text-decoration:none}
img{max-width:100%}
svg.i{flex-shrink:0;display:inline-block;vertical-align:-0.18em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-main svg.i,.nav-phone svg.i{stroke-width:2.2}
.call-bar svg.i{vertical-align:-0.28em;margin-right:4px}
.hero-btns svg.i{width:18px;height:18px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.sec{padding:52px 16px}
.sec h2{font-size:24px;text-align:center;margin-bottom:28px;position:relative}
.sec h2:after{content:'';display:block;width:44px;height:4px;background:var(--primary);border-radius:2px;margin:12px auto 0}
.alt{background:#f6f9fd}

.nav{position:sticky;top:0;background:#ffffffee;backdrop-filter:blur(8px);border-bottom:1px solid #e8eef5;z-index:30}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:14px}
.brand{display:flex;align-items:center;gap:8px;font-size:17px}
.brand img{height:34px;border-radius:6px}
.brand-dot{width:12px;height:12px;border-radius:3px;background:var(--primary);display:inline-block}
.brand i{font-style:normal;color:#475569;font-size:12px;background:#f1f5f9;border-radius:10px;padding:2px 8px}
.nav-links{display:flex;gap:18px;font-size:14px;color:#475569}
@media(max-width:760px){.nav-links{display:none}}
.nav-links a:hover{color:var(--primary)}
.nav-phone{background:#1e293b;color:#fff;padding:8px 14px;border-radius:20px;font-size:13px;white-space:nowrap}

.hero{background:linear-gradient(135deg,var(--deep),var(--primary));color:#fff;padding:76px 16px 70px;text-align:center}
.hero-tag{display:inline-block;border:1px solid #ffffff55;border-radius:16px;padding:3px 14px;font-size:13px;margin-bottom:16px;letter-spacing:2px}
.hero h1{font-size:34px;line-height:1.35;margin-bottom:14px}
.hero h1 em{font-style:normal;color:#fbbf24}
.hero-sub{color:#dbeafe;font-size:15px;max-width:640px;margin:0 auto 26px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-main{display:inline-block;background:var(--cta-color);color:#fff;font-weight:bold;padding:13px 30px;border-radius:28px;font-size:16px;border:0;cursor:pointer;box-shadow:0 6px 18px var(--cta-shadow)}
.btn-main:hover{background:var(--cta-hover)}
.btn-ghost{display:inline-block;border:1px solid #ffffff88;color:#fff;padding:12px 28px;border-radius:28px;font-size:16px}
.btn-ghost:hover{background:#ffffff18}

.stat-line{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:26px 16px;text-align:center;border-bottom:1px solid #eef3f8}
.stat-line b{font-size:24px;color:var(--deep);display:block}
.stat-line span{color:#475569;font-size:12px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.grid-3{grid-template-columns:1fr}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:760px){.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid #eef2f7;border-radius:12px;padding:22px;transition:.2s}
.card:hover{box-shadow:0 8px 24px #1e293b12;transform:translateY(-2px)}
.card b{display:block;font-size:16px;margin-bottom:8px;color:var(--deep)}
.card p{color:#64748b;font-size:13px}
.card-ic{width:44px;height:44px;border-radius:10px;background:#eff6ff;color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.card-ic svg.i{width:22px;height:22px}
.prod-img{width:100%;height:150px;object-fit:cover;border-radius:8px;margin-bottom:12px}
.case{background:#fff}

.faq{border:1px solid #eef2f7;border-radius:10px;margin-bottom:10px;padding:14px 18px;background:#fff}
.faq summary{cursor:pointer;font-weight:bold;font-size:15px;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:'';flex-shrink:0;width:9px;height:9px;border-right:2px solid #94a3b8;border-bottom:2px solid #94a3b8;transform:rotate(45deg);transition:.2s;margin-top:-4px}
.faq[open] summary:after{transform:rotate(225deg);margin-top:4px}
.faq .rich{margin-top:10px;color:#64748b;font-size:14px}

.intro-in .rich{background:#fff;border-radius:12px;padding:22px;border:1px solid #e8eef5;color:#475569}

.inquiry{background:linear-gradient(rgba(15,23,42,.92),rgba(15,23,42,.86)),linear-gradient(135deg,var(--primary),var(--accent));padding:56px 16px;color:#fff;text-align:center}
.inquiry h2{font-size:24px;margin-bottom:8px}
.inq-sub{color:#e0f2fe;margin-bottom:24px;font-size:14px}
.inq-form{max-width:520px;margin:0 auto;display:flex;flex-direction:column;gap:12px;text-align:left}
.inq-form input,.inq-form textarea{padding:13px 16px;border-radius:10px;border:0;font-size:14px;font-family:inherit;outline:none}
.inq-form textarea{resize:vertical}
.inq-form .btn-main{width:100%}
.inq-msg{font-size:13px;min-height:18px}
.inq-msg.ok{color:#bbf7d0}.inq-msg.bad{color:#fecaca}

.art-list{max-width:820px;margin:0 auto}
.art-list li{display:flex;justify-content:space-between;gap:14px;padding:13px 6px;border-bottom:1px dashed #e2e8f0;font-size:14px}
.art-list li span{color:#475569;font-size:12px;white-space:nowrap}
.art-list li a:hover{color:var(--primary)}
.art-list li a{display:flex;align-items:center;gap:8px}
.art-list li a:before{content:'';flex-shrink:0;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.65}

.links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.links a{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:6px 16px;font-size:13px;color:#475569}
.links a:hover{color:var(--primary);border-color:var(--primary)}

.article-full{padding:40px 16px}
.article-full h1{font-size:24px;line-height:1.5;margin-bottom:10px}
.article-full .meta{color:#475569;font-size:12px;margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid #eef2f7}
.article-full .rich{font-size:15px;color:#334155;line-height:2}
.article-full .rich p{margin-bottom:14px}
.btn-back{display:inline-block;margin-top:18px;color:var(--primary);font-size:14px}

.foot{background:var(--deep);color:#cbd5e1;padding:36px 16px 90px;font-size:13px;text-align:center}
.foot b{color:#e2e8f0}
.foot p{margin-bottom:8px}
.foot-links a{color:#7dd3fc;margin:0 6px}
.copy{color:#94a3b8;font-size:12px;margin-top:14px}

.call-bar{position:fixed;bottom:0;left:0;right:0;display:flex;z-index:40;box-shadow:0 -4px 16px #0f172a22}
.call-bar a{flex:1;text-align:center;padding:14px;font-size:15px;font-weight:bold}
.call-bar a:first-child{background:var(--cta-color);color:#fff}
.call-bar a:last-child{background:#1e293b;color:#fff}
@media(min-width:900px){.call-bar{display:none}}

.kefu-ball{position:fixed;right:18px;bottom:86px;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:26px;cursor:pointer;box-shadow:0 8px 24px #2563eb55;z-index:50;animation:pulse 2.4s infinite,bounce 1.6s ease-in-out infinite}
.kefu-ball:hover{transform:scale(1.05)}
@keyframes pulse{0%{box-shadow:0 0 0 0 #2563eb55}70%{box-shadow:0 0 0 16px transparent}100%{box-shadow:0 0 0 0 transparent}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes tipIn{0%{opacity:0;transform:translateY(6px)}100%{opacity:1;transform:translateY(0)}}

.kefu-tip{position:fixed;right:84px;bottom:100px;z-index:50;animation:tipIn .3s ease-out}
@media(min-width:900px){.kefu-tip{bottom:38px}}
.tip-text{display:inline-block;background:#1e293b;color:#fff;font-size:13px;padding:8px 14px;border-radius:12px 12px 12px 4px;box-shadow:0 6px 18px #0f172a33;white-space:nowrap;cursor:pointer}
.tip-text:hover{background:var(--primary)}
.tip-arrow{position:absolute;right:-6px;bottom:12px;width:12px;height:12px;background:#1e293b;transform:rotate(45deg);border-radius:2px}
.kefu-ball img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.kefu-ball svg.i{width:30px;height:30px;color:#fff;stroke-width:1.8}
.kefu-head svg.i{vertical-align:-0.2em}
@media(min-width:900px){.kefu-ball{bottom:24px}}
@keyframes pulse{0%{box-shadow:0 0 0 0 #2563eb55}70%{box-shadow:0 0 0 16px transparent}100%{box-shadow:0 0 0 0 transparent}}
.kefu-panel{position:fixed;right:18px;bottom:86px;width:320px;max-width:92vw;height:440px;background:#fff;border-radius:14px;box-shadow:0 18px 50px #0f172a33;z-index:50;display:flex;flex-direction:column;overflow:hidden}
@media(min-width:900px){.kefu-panel{bottom:98px}}
.kefu-head{background:#1e293b;color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.kefu-head span{cursor:pointer}
.kefu-body{flex:1;overflow-y:auto;padding:14px;background:#f6f9fd}
.msg{max-width:82%;padding:9px 13px;border-radius:12px;font-size:13px;margin-bottom:10px;white-space:pre-wrap;word-break:break-word}
.msg.bot{background:#fff;border:1px solid #e8eef5;border-top-left-radius:4px}
.msg.user{background:#1e293b;color:#fff;margin-left:auto;border-top-right-radius:4px}
.kefu-input{display:flex;border-top:1px solid #eef2f7}
.kefu-input input{flex:1;border:0;padding:12px 14px;font-size:13px;outline:none}
.kefu-input button{border:0;background:#1e293b;color:#fff;padding:0 18px;cursor:pointer}

/* 画像图库：场景展示/案例图/合作伙伴/占位图 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
.scene-item{margin:0;background:#fff;border:1px solid #eef2f7;border-radius:12px;overflow:hidden}
.scene-item img{width:100%;height:170px;object-fit:cover;display:block}
.scene-item figcaption{padding:10px 14px;font-size:13px;color:#475569;text-align:center}
.case-img{width:100%;height:160px;object-fit:cover;border-radius:8px;margin-bottom:12px;display:block}
.img-ph{width:100%;height:150px;border-radius:8px;background:linear-gradient(135deg,#f8fafc,#eef4fb);border:1px dashed #c9d8ea;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;color:#64748b;font-size:12px}
.partner-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.partner-chip{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:10px 22px;font-size:13px;color:#64748b;display:flex;align-items:center}
.partner-chip img{height:32px;max-width:140px;object-fit:contain}

/* 内容页：面包屑/转化CTA/相关文章 */
.crumbs{font-size:12px;color:#475569;margin-bottom:14px}
.crumbs a{color:#64748b}
.crumbs a:hover{color:var(--primary)}
.art-cta{background:linear-gradient(135deg,#eff6ff,#f0f9ff);border:1px solid #bfdbfe;border-radius:12px;padding:18px 22px;margin-top:22px}
.art-cta b{color:var(--primary);font-size:15px}
.art-cta p{color:#475569;font-size:13px;margin-top:6px}
.related{margin-top:26px;background:#f8fafc;border-radius:12px;padding:18px 22px}
.related h3{font-size:15px;color:#1e293b;margin-bottom:10px}
.related li{padding:8px 0;border-bottom:1px dashed #e2e8f0;font-size:14px}
.related li:before{content:"›";color:var(--primary);margin-right:8px;font-weight:bold}

/* 伪原创引言前缀 */
.intro-lead{background:#f0f9ff;border-left:3px solid var(--primary);border-radius:6px;padding:10px 14px;color:#1e40af;font-size:14px;margin-bottom:14px}
/* 客户评价卡片（E-E-A-T 信誉信号） */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.review-grid{grid-template-columns:1fr}}
.review-card{margin:0;background:#fff;border:1px solid #eef2f7;border-left:3px solid #93c5fd;border-radius:10px;padding:16px 18px}
.review-card p{margin:0 0 10px;font-size:13.5px;color:#334155;line-height:1.7}
.review-card footer{font-size:12.5px;color:#94a3b8;text-align:right}