/* ===== 沪上天际 · style.css ===== */
:root{
  --navy:#14233c;--navy-deep:#0d1728;--navy-soft:#1f3352;
  --gold:#c9a45c;--gold-soft:#e0c48f;
  --blue:#3f6ea5;
  --bg:#f7f8fa;--bg-alt:#eef1f5;
  --text:#242a35;--text-soft:#5b6472;--text-faint:#8a93a3;
  --border:#d9dee6;--gray-light:#cbd5e1;
  --radius:4px;
  --sec-pad:100px;
  --shadow:0 10px 30px rgba(20,35,60,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-pad) 0}
.section-alt{background:var(--bg-alt)}
h1,h2,h3{font-weight:600;line-height:1.35}
.no-js [data-reveal]{opacity:1;transform:none}

/* ===== 眉标：大号细体左标 + 竖金线 ===== */
.sec-head{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:3px;color:var(--blue);font-weight:600;text-transform:uppercase}
.sec-line{width:3px;height:18px;background:var(--gold);display:inline-block}
.sec-title{font-size:34px;font-weight:300;letter-spacing:1px;margin:12px 0 48px;color:var(--navy)}
.sec-title strong{font-weight:700}
.sec-more{text-align:center;margin-top:40px}
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-shown{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius);font-size:15px;font-weight:600;transition:all .25s;border:2px solid transparent}
.btn-gold{background:var(--gold);color:#2b2010}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}

/* ===== Header：深蓝玻璃吸顶 + 细金线 ===== */
.site-header{background:rgba(13,23,40,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(201,164,92,.45);position:sticky;top:0;z-index:100}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:74px;gap:32px}
.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo-mark{color:var(--gold);display:flex}
.logo-text{font-size:19px;font-weight:700;display:flex;flex-direction:column;line-height:1.15}
.logo-text em{font-style:normal;font-size:9px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:400}
.main-nav{margin-left:auto}
.main-nav>ul{display:flex;align-items:center;gap:2px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:flex;align-items:center;gap:5px;color:rgba(255,255,255,.82);font-size:15px;padding:26px 15px;position:relative}
.main-nav>ul>li>a:hover,.main-nav>ul>li.is-active>a{color:#fff}
.main-nav>ul>li>a::after{content:"";position:absolute;left:15px;right:15px;bottom:18px;height:1px;background:var(--gold);transform:scaleX(0);transition:transform .25s;transform-origin:center}
.main-nav>ul>li>a:hover::after,.main-nav>ul>li.is-active>a::after{transform:scaleX(1)}
.chev{opacity:.55}
.drop-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:220px;background:rgba(13,23,40,.96);border:1px solid rgba(201,164,92,.35);border-top:2px solid var(--gold);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:all .25s}
.main-nav>ul>li:hover .drop-panel,.main-nav>ul>li.drop-open .drop-panel{opacity:1;visibility:visible}
.drop-panel a{display:flex;align-items:center;gap:10px;padding:12px 20px;font-size:14px;color:rgba(255,255,255,.82)}
.drop-panel a:hover{color:var(--gold);background:rgba(255,255,255,.05)}
.drop-ico{font-size:11px;color:var(--gold);font-weight:700}
.header-cta{border:1px solid rgba(201,164,92,.7);color:var(--gold);padding:10px 22px;border-radius:var(--radius);font-size:14px;font-weight:600;flex-shrink:0}
.header-cta:hover{background:var(--gold);color:#2b2010}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff}

/* ===== ① 数据天际线柱状（前置实力带） ===== */
.trust-strip{background:linear-gradient(180deg,var(--navy-deep),var(--navy));color:#fff;padding:56px 0 0;position:relative;overflow:hidden}
.sky-towers{display:flex;justify-content:center;gap:56px;flex-wrap:wrap;align-items:flex-end}
.sky-tower{display:flex;flex-direction:column;align-items:center;gap:10px}
.tower-num{font-size:30px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.tower-bar{width:72px;height:var(--tower-h,120px);background:linear-gradient(180deg,rgba(201,164,92,.35),rgba(255,255,255,.06));border:1px solid rgba(201,164,92,.4);border-radius:var(--radius) var(--radius) 0 0;position:relative;overflow:hidden;transform:scaleY(0);transform-origin:bottom;transition:transform .9s cubic-bezier(.2,.7,.3,1)}
.sky-tower.is-grown .tower-bar{transform:scaleY(1)}
.tower-win{position:absolute;inset:8px;background:repeating-linear-gradient(0deg,rgba(255,255,255,.14) 0 3px,transparent 3px 10px)}
.tower-label{font-size:13px;color:rgba(255,255,255,.72);padding-bottom:20px}

/* ===== ② Hero：分屏渐晕 + 天际线灯点 ===== */
.hero-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-soft) 60%,#28466e 100%);color:#fff;position:relative;overflow:hidden;padding-bottom:120px}
.hero-split{max-width:1200px;margin:0 auto;padding:96px 24px 60px;display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{color:var(--gold);font-size:14px;letter-spacing:4px;display:inline-flex;align-items:center;gap:10px;font-weight:600}
.hj-motif{display:inline-block;width:14px;height:14px;border:2px solid var(--gold);border-radius:3px;position:relative}
.hj-motif::after{content:"";position:absolute;inset:3px;border:1.5px solid rgba(255,255,255,.6);border-radius:1px}
.hero-copy h1{font-size:46px;line-height:1.28;margin:18px 0 20px;font-weight:300}
.hero-copy h1 strong{font-weight:700;color:var(--gold-soft)}
.hero-sub{color:rgba(255,255,255,.75);max-width:480px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px;backdrop-filter:blur(4px)}
.panel-head{display:flex;align-items:center;gap:6px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}
.ph-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25)}
.ph-dot:first-child{background:var(--gold)}
.ph-title{margin-left:auto;font-size:10px;letter-spacing:2px;color:rgba(255,255,255,.5)}
.panel-rows{display:flex;flex-direction:column;gap:14px;padding:18px 0 6px}
.panel-row{display:grid;grid-template-columns:76px 1fr 44px;gap:12px;align-items:center;font-size:13px;color:rgba(255,255,255,.85)}
.bar{height:7px;background:rgba(255,255,255,.12);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-soft));border-radius:4px}
.pct{font-size:12px;color:var(--gold);text-align:right;font-variant-numeric:tabular-nums}
.panel-note{font-size:11px;color:rgba(255,255,255,.45);letter-spacing:1px;padding-top:12px;border-top:1px solid rgba(255,255,255,.1)}
.hero-skyline{position:absolute;left:0;right:0;bottom:0;color:rgba(255,255,255,.10);line-height:0}
.sky-light{position:absolute;width:4px;height:4px;border-radius:50%;background:var(--gold);opacity:0;box-shadow:0 0 8px 2px rgba(201,164,92,.7);transition:opacity .5s}
.sky-light.is-on{opacity:.9;animation:twinkle 3s ease-in-out infinite alternate}
@keyframes twinkle{from{opacity:.5}to{opacity:1}}

/* ===== ③ 幕墙玻璃业务竖卡 ===== */
.facade-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.facade-card{position:relative;background:linear-gradient(180deg,#fff,var(--bg-alt));border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px 28px;display:flex;flex-direction:column;gap:14px;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.facade-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--gold)}
.facade-glass{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.facade-glass i{position:absolute;top:-40%;left:-70%;width:45%;height:180%;background:linear-gradient(100deg,transparent,rgba(201,164,92,.16),transparent);transform:rotate(18deg);transition:left .6s ease}
.facade-card:hover .facade-glass i{left:130%}
.floor-no{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:2px;border-bottom:2px solid var(--gold);align-self:flex-start;padding-bottom:6px}
.facade-name{font-size:19px;color:var(--navy);font-weight:700}
.facade-desc{font-size:13.5px;color:var(--text-soft);flex:1}
.facade-more{font-size:13px;color:var(--blue);display:inline-flex;align-items:center;gap:6px;font-weight:600}

/* ===== ④ 地铁线路图流程 ===== */
.metro-section{background:linear-gradient(180deg,var(--bg-alt),var(--bg))}
.metro-map{position:relative}
.metro-line{color:var(--blue);display:block}
.metro-track{opacity:.35}
.metro-dash{color:var(--gold);animation:metroflow 1.6s linear infinite;opacity:.9}
@keyframes metroflow{to{stroke-dashoffset:-20}}
.metro-stops{position:relative;height:190px;margin-top:-64px}
.metro-station{position:absolute;top:0;width:170px;transform:translateX(-50%);text-align:center;opacity:.35;transition:opacity .5s}
.metro-station.is-arrived{opacity:1}
.ms-ring{display:block;width:18px;height:18px;margin:0 auto 10px;border-radius:50%;background:var(--bg);border:4px solid var(--blue);box-shadow:0 0 0 3px var(--bg),0 0 0 5px var(--gold)}
.is-arrived .ms-ring{border-color:var(--gold);background:var(--gold);box-shadow:0 0 0 3px var(--bg),0 0 0 5px rgba(201,164,92,.4)}
.ms-no{font-size:12px;font-weight:800;color:var(--gold);letter-spacing:2px}
.ms-title{font-size:17px;color:var(--navy);margin:4px 0 6px}
.ms-desc{font-size:12.5px;color:var(--text-soft)}
.metro-map .sec-more{margin-top:44px}

/* ===== ⑤ 案例卡 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 26px;display:flex;flex-direction:column;gap:12px;transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cc-cover{width:56px;height:56px;border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),var(--blue));color:var(--gold);display:flex;align-items:center;justify-content:center}
.cc-tag{font-size:12px;color:var(--blue);letter-spacing:2px}
.cc-title{font-size:17px;color:var(--navy);line-height:1.55}
.cc-desc{font-size:13.5px;color:var(--text-soft);flex:1}
.cc-more{font-size:13px;color:var(--gold);font-weight:700;display:inline-flex;align-items:center;gap:6px}

/* ===== ⑥ 头版报眼三栏资讯 ===== */
.press-head{display:flex;align-items:baseline;justify-content:space-between;border-top:3px double var(--navy);border-bottom:1px solid var(--border);padding:16px 4px 14px;margin-bottom:34px;flex-wrap:wrap;gap:8px}
.press-date{font-size:13px;color:var(--text-faint)}
.press-title{font-size:22px;font-weight:700;color:var(--navy);letter-spacing:2px}
.press-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.press-col{padding:0 30px;border-left:1px solid var(--border)}
.press-col:first-child{border-left:0;padding-left:4px}
.pc-no{font-size:26px;font-weight:300;color:var(--gold);line-height:1}
.pc-date{display:block;font-size:12px;color:var(--text-faint);margin:10px 0 8px}
.pc-title{font-size:16.5px;line-height:1.6;margin-bottom:8px}
.pc-title a:hover{color:var(--blue)}
.pc-desc{font-size:13.5px;color:var(--text-soft)}

/* ===== ⑦ 天际线 CTA ===== */
.skyline-cta{background:linear-gradient(180deg,var(--navy-deep),var(--navy-soft));color:#fff;padding:110px 0 84px;text-align:center;position:relative;overflow:hidden}
.cta-skyline{position:absolute;left:0;right:0;bottom:0;color:rgba(255,255,255,.08);line-height:0}
.cta-inner{position:relative;z-index:1}
.skyline-cta h2{font-size:38px;font-weight:300;margin-bottom:14px}
.skyline-cta h2 strong{font-weight:700;color:var(--gold)}
.skyline-cta p{color:rgba(255,255,255,.75);max-width:540px;margin:0 auto 34px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== ⑧ 轨道虚线分隔 ===== */
.track-sep{display:flex;justify-content:center;gap:20px;padding:36px 0;background:var(--bg);color:var(--blue);overflow:hidden}

/* ===== 通用页头 ===== */
.page-header{background:linear-gradient(135deg,var(--navy-deep),var(--navy-soft));color:#fff;padding:70px 0 50px;position:relative;overflow:hidden}
.page-header::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 90px,rgba(255,255,255,.04) 90px 91px);pointer-events:none}
.page-header h1{font-size:34px;font-weight:300;position:relative}
.page-header h1 strong{font-weight:700}
.page-header p{color:rgba(255,255,255,.72);margin-top:8px;position:relative;max-width:640px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px;position:relative}
.breadcrumb a{color:rgba(255,255,255,.6)}
.breadcrumb a:hover{color:var(--gold)}

/* ===== 列表卡片 ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-cover{height:160px;background:linear-gradient(135deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;color:rgba(201,164,92,.8)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16px;line-height:1.55}
.card-body h3 a:hover{color:var(--blue)}
.card-meta{font-size:12px;color:var(--text-faint);display:flex;gap:14px}
.card-desc{font-size:13px;color:var(--text-soft);flex:1}
.card-more{font-size:13px;color:var(--gold);font-weight:700}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px}
.pagination a,.pagination span{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;padding:0 10px;color:var(--text-soft)}
.pagination .current,.pagination a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ===== 服务页 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.svc-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:36px 32px;display:flex;flex-direction:column;gap:14px;transition:transform .3s,box-shadow .3s}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.svc-ico{width:58px;height:58px;color:var(--gold);background:var(--navy);border-radius:var(--radius);display:flex;align-items:center;justify-content:center}
.svc-card h3{font-size:19px;color:var(--navy)}
.svc-card p{font-size:14px;color:var(--text-soft)}
.svc-card ul{margin-top:4px}
.svc-card li{font-size:14px;color:var(--text);padding:7px 0;border-bottom:1px dashed var(--border);display:flex;gap:8px;align-items:center}
.svc-card li::before{content:"";width:6px;height:6px;background:var(--gold);border-radius:50%;flex-shrink:0}
.svc-link{margin-top:auto;color:var(--blue);font-weight:600;font-size:14px}

/* ===== 详情 ===== */
.detail-wrap{max-width:820px;margin:0 auto}
.detail-title{font-size:30px;margin-bottom:14px;color:var(--navy)}
.detail-meta{font-size:13px;color:var(--text-faint);padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:28px}
.detail-content{font-size:16px;color:var(--text)}
.detail-content p{margin-bottom:16px}
.detail-content h2,.detail-content h3{margin:28px 0 12px;color:var(--navy)}
.detail-nav{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);font-size:14px}
.detail-nav a:hover{color:var(--blue)}
.related{margin-top:56px}
.related h3{font-size:20px;margin-bottom:20px;color:var(--navy)}

/* ===== 表单 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start}
.contact-info{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px 30px;display:flex;flex-direction:column;gap:18px}
.ci-item{display:flex;gap:14px;align-items:flex-start}
.ci-item svg{color:var(--gold);flex-shrink:0;margin-top:3px}
.ci-item h4{font-size:15px;color:var(--navy)}
.ci-item p{font-size:14px;color:var(--text-soft)}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px 30px;display:flex;flex-direction:column;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--text)}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:var(--bg);color:var(--text)}
.field input:focus,.field textarea:focus{outline:2px solid rgba(201,164,92,.5);border-color:var(--gold)}
.field textarea{min-height:120px;resize:vertical}
.flash-ok{background:#e7f5ec;border:1px solid #9ed2b0;color:#1e6b40;padding:13px 16px;border-radius:var(--radius);font-size:14px}
.flash-err{background:#fbeaea;border:1px solid #e0a3a3;color:#9c2b2b;padding:13px 16px;border-radius:var(--radius);font-size:14px}

/* FAQ / 404 / 标签 / 空态 */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.faq-q{width:100%;text-align:left;padding:18px 24px;font-size:16px;font-weight:600;color:var(--text);background:none;border:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit}
.faq-q::after{content:"+";color:var(--gold);font-size:22px;font-weight:400}
.faq-item.is-open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-item.is-open .faq-a{max-height:300px;padding-bottom:18px}
.faq-a p{font-size:14px;color:var(--text-soft)}
.empty-tip{text-align:center;padding:70px 0;color:var(--text-faint)}
.notfound{text-align:center;padding:110px 0}
.notfound .num{font-size:96px;font-weight:300;color:var(--gold);line-height:1}
.notfound h1{font-size:26px;margin:12px 0 8px}
.notfound p{color:var(--text-soft);margin-bottom:28px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{padding:8px 20px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text-soft);background:#fff}
.tag-pill:hover{border-color:var(--gold);color:var(--navy)}

/* ===== 页脚：深蓝网格 + 天际线灯点饰带 ===== */
.skyline-band{background:var(--bg);color:var(--navy);line-height:0;padding-top:18px}
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.7);background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 60px)}
.footer-main{padding:56px 0 44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-logo .logo-mark{color:var(--gold)}
.footer-desc{font-size:13px;color:rgba(255,255,255,.5);margin-bottom:18px;max-width:380px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.fc-item{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.7)}
.fc-item svg{color:var(--gold)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:1px;background:var(--gold)}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{padding:20px 0;font-size:12px;color:rgba(255,255,255,.4)}
.footer-bottom .container{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.4)}
.footer-bottom a:hover{color:var(--gold)}
.beian-ga{display:inline-flex;align-items:center;gap:5px}

/* ===== 悬浮客服（统一标准件） ===== */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}.zfkf-wechat{background:#07c160}.zfkf-consult{background:#f59e0b}.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:56px;top:50%;transform:translateY(-50%);background:#1f2937;color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.is-active{display:flex}
.zfkf-wechat-box{background:#fff;padding:28px;border-radius:var(--radius);text-align:center;position:relative;max-width:280px}
.zfkf-wechat-box img{width:200px;height:200px;object-fit:contain;margin:0 auto}
.zfkf-wechat-box p{margin-top:12px;font-size:14px;color:var(--text)}
.zfkf-wechat-close{position:absolute;right:12px;top:8px;font-size:24px;color:var(--text-faint);cursor:pointer}
.zfkf-wechat-noimg{width:200px;height:200px;display:flex;align-items:center;justify-content:center;background:var(--bg-alt);border-radius:var(--radius);font-size:16px;font-weight:700;color:var(--navy);word-break:break-all}

/* ===== 响应式 ===== */
@media (max-width:1080px){.facade-grid{grid-template-columns:1fr 1fr}}
@media (max-width:960px){
  .hero-split{grid-template-columns:1fr;padding:64px 24px 50px}
  .hero-copy h1{font-size:33px}
  .article-grid,.case-grid{grid-template-columns:1fr 1fr}
  .press-cols{grid-template-columns:1fr;gap:26px}
  .press-col{border-left:0;padding:0}
  .svc-grid{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .metro-stops{height:auto;display:flex;flex-direction:column;gap:26px;margin-top:24px}
  .metro-station{position:static;transform:none;text-align:left;width:auto;display:grid;grid-template-columns:auto 1fr;gap:4px 16px}
  .ms-ring{margin:4px 0 0;grid-row:1/5}
}
@media (max-width:720px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:74px;left:0;right:0;background:rgba(13,23,40,.97);display:none;padding:12px 24px 20px;border-top:1px solid rgba(201,164,92,.4);max-height:calc(100vh - 74px);overflow:auto}
  body.nav-open .main-nav{display:block}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav>ul>li>a{padding:14px 4px}
  .main-nav>ul>li>a::after{display:none}
  .drop-panel{position:static;transform:none;opacity:1;visibility:visible;display:none;box-shadow:none;border:0;background:rgba(255,255,255,.05);border-radius:var(--radius)}
  .main-nav>ul>li.drop-open .drop-panel{display:block}
  .drop-panel a{color:rgba(255,255,255,.85)}
  .header-cta{display:none}
  .facade-grid,.article-grid,.case-grid{grid-template-columns:1fr}
  .sky-towers{gap:24px}
  .sec-title{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions .btn{flex:1;justify-content:center}
}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1{font-size:1.6em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{font-size:1.4em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h4{margin:1.2em 0 .5em;font-size:1.08em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h5,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h6{margin:1.1em 0 .5em;font-size:1em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ul,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ol{margin:0 0 1.05em;padding-left:1.7em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) li{margin:.35em 0;line-height:1.8}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) img{max-width:100%;height:auto;border-radius:8px}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figure{margin:1.2em 0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figcaption{margin-top:.5em;font-size:.85em;opacity:.7;text-align:center}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid currentColor;opacity:.85}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) td{border:1px solid rgba(127,127,127,.3);padding:.5em .75em;text-align:left}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th{font-weight:700;background:rgba(127,127,127,.06)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) hr{margin:1.6em 0;border:0;border-top:1px solid rgba(127,127,127,.28)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) pre{overflow:auto;padding:.8em 1em;border-radius:8px;background:rgba(127,127,127,.1);font-size:.92em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) code{font-size:.94em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) strong,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) b{font-weight:700}
:where(.rich-text) ul{list-style:disc}
:where(.rich-text) ol{list-style:decimal}
:where(.rich-text) a{text-decoration:underline;text-underline-offset:3px}

/* ===== tz-footer-legal (auto-appended) ===== */
.zf-legal-line a{color:inherit;text-decoration:none;opacity:.92}
.zf-legal-line a:hover{opacity:1;text-decoration:underline;text-underline-offset:3px}
.zf-legal-line .zf-legal-all{font-weight:600}
.zf-legal-line .zf-legal-copy{opacity:.95}
.zf-legal-line .zf-legal-addr{opacity:.82}
.zf-legal-line .zf-legal-police{text-decoration:none}
@media (max-width:640px){.zf-legal-line{column-gap:.55em;line-height:1.7}}