:root{
 --primary:#1661c5;
 --primary-dark:#0d4a9e;
 --text:#333;
 --text-2:#666;
 --text-3:#999;
 --line:#e6e9ee;
 --gray:#f5f7fa;
 --footer:#1e2733;
 --accent:#f39c12;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:15px/1.8 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .2s,background-color .2s,border-color .2s}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:600;color:#222;line-height:1.4}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.muted{color:var(--text-3)}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:10px}

/* 顶部信息条 */
.topbar{background:#f5f5f5;border-bottom:1px solid #eaeaea;font-size:13px;color:#888;line-height:36px}
.topbar .container{display:flex;justify-content:space-between}
.topbar a{font-weight:600}
.topbar .icon{color:var(--primary);margin-right:5px;vertical-align:-2px}

/* 页头与导航 */
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 #eee;transition:box-shadow .2s}
.header.scrolled{box-shadow:0 2px 12px rgba(0,0,0,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:12px;color:#222}
.brand:hover{color:#222}
.logo-mark{width:44px;height:44px}
.brand b{display:block;font-size:22px;letter-spacing:2px;line-height:1.2}
.brand small{display:block;font-size:10px;color:var(--text-3);letter-spacing:1.3px;line-height:1.4;margin-top:3px}
.nav ul{display:flex}
.nav a{display:block;padding:0 18px;line-height:80px;color:#333;position:relative}
.nav a::after{content:'';position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--primary);transform:scaleX(0);transition:transform .25s}
.nav a:hover,.nav a.active{color:var(--primary)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav-toggle{display:none}

/* 按钮 */
.btn{display:inline-block;padding:0 26px;height:42px;line-height:40px;border:1px solid var(--primary);border-radius:3px;background:var(--primary);color:#fff;font:inherit;font-size:15px;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff}
.btn-white{background:#fff;border-color:#fff;color:var(--primary)}
.btn-white:hover{background:#eaf2fd;border-color:#eaf2fd;color:var(--primary-dark)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--primary)}
.btn-line{background:#fff;color:var(--primary)}
.btn-line:hover{background:var(--primary);color:#fff}
.btn-sm{height:36px;line-height:34px;padding:0 20px;font-size:14px}
.more{display:inline-flex;align-items:center;gap:2px;font-size:14px}

/* 首页横幅 */
.hero{position:relative;overflow:hidden;color:#fff;background:#0f4ea6 linear-gradient(120deg,#0a2a5e 0%,#0f4ea6 55%,#1a6fd6 100%)}
.hero::before,.page-banner::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:linear-gradient(to right,transparent 10%,#000);mask-image:linear-gradient(to right,transparent 10%,#000)}
.hero::after{content:'';position:absolute;width:640px;height:640px;border-radius:50%;border:1px solid rgba(255,255,255,.08);right:-180px;top:-240px;box-shadow:0 0 0 80px rgba(255,255,255,.025)}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;min-height:520px}
.hero-text{flex:1;max-width:580px;animation:fadeUp .8s ease both}
.hero-kicker{font-size:13px;letter-spacing:3px;color:#9cc4ff;margin-bottom:16px}
.hero h1{color:#fff;font-size:44px;line-height:1.35;letter-spacing:2px;margin-bottom:22px}
.hero-desc{font-size:16px;color:rgba(255,255,255,.82);line-height:1.9;margin-bottom:36px}
.hero-btns .btn{height:46px;line-height:44px;padding:0 34px;margin-right:14px}
.hero-art{flex:0 0 500px;animation:fadeUp .8s .2s ease both}
.hero-art svg{display:block;width:100%;height:auto}
.bird{animation:bob 1.8s ease-in-out infinite}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes bob{50%{transform:translateY(-6px)}}

/* 首页栏目 */
.section{padding:72px 0}
.section-gray{background:var(--gray)}
.sec-title{text-align:center;margin-bottom:46px}
.sec-title h2{font-size:30px;letter-spacing:2px}
.sec-en{margin:4px 0 0;font-size:13px;color:#b0b7c3;letter-spacing:3px;text-transform:uppercase}
.sec-en::after{content:'';display:block;width:36px;height:3px;background:var(--primary);margin:14px auto 0}
.sec-desc{max-width:680px;margin:18px auto 0;color:var(--text-2)}

.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.biz-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:4px;transition:box-shadow .3s,transform .3s}
.biz-card:hover{box-shadow:0 12px 30px rgba(22,97,197,.12);transform:translateY(-4px)}
.biz-head{display:flex;align-items:center;gap:18px;padding:32px 32px 0}
.biz-icon{display:flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:4px;background:var(--primary);color:#fff;font-size:30px;flex:none}
.biz-card.alt .biz-icon{background:#2b3f5c}
.biz-head h3{font-size:22px}
.biz-head small{display:block;font-size:12px;color:var(--text-3);letter-spacing:1px}
.biz-body{flex:1;padding:22px 32px 20px}
.biz-body>p{color:var(--text-2)}
.biz-body .check-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.biz-foot{display:flex;justify-content:space-between;align-items:center;padding:15px 32px;border-top:1px solid var(--line);font-size:14px;color:var(--text-2)}
.biz-foot:hover{color:var(--primary);background:#f7faff}

.check-list li{position:relative;padding-left:24px;margin-bottom:8px}
.check-list li::before{content:'';position:absolute;left:3px;top:.6em;width:10px;height:5px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg)}

.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:#fff;padding:34px 30px 30px;border-radius:4px;border-bottom:3px solid transparent;transition:box-shadow .3s,border-color .3s}
.feat:hover{box-shadow:0 10px 30px rgba(0,0,0,.07);border-bottom-color:var(--primary)}
.feat .icon{display:block;font-size:40px;color:var(--primary);stroke-width:1.5;margin-bottom:18px}
.feat h3{font-size:18px;margin-bottom:10px}
.feat p{margin:0;font-size:14px;color:var(--text-2)}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.why-icon{display:flex;align-items:center;justify-content:center;width:84px;height:84px;margin:0 auto 20px;border-radius:50%;border:1px solid #d5e3f6;background:#f2f7fe;color:var(--primary);font-size:34px;transition:all .3s}
.why:hover .why-icon{background:var(--primary);border-color:var(--primary);color:#fff}
.why h3{font-size:18px;margin-bottom:10px}
.why p{font-size:14px;color:var(--text-2)}

.section-dark{position:relative;background:#102a4c linear-gradient(180deg,#0f2747,#14345e)}
.section-dark .sec-title h2{color:#fff}
.section-dark .sec-en{color:rgba(255,255,255,.4)}
.steps{display:grid;grid-template-columns:repeat(5,1fr)}
.step{position:relative;padding:0 14px;text-align:center}
.step::before{content:'';position:absolute;top:36px;left:50%;width:100%;border-top:1px dashed rgba(255,255,255,.3)}
.step:last-child::before{display:none}
.step-num{position:relative;display:flex;align-items:center;justify-content:center;width:72px;height:72px;margin:0 auto 18px;border-radius:50%;background:#1a3a66;border:2px solid #3b7ddd;color:#fff;font:600 22px/1 Arial,sans-serif;transition:background .3s}
.step:hover .step-num{background:var(--primary)}
.step h3{color:#fff;font-size:17px;margin-bottom:8px}
.step p{margin:0;font-size:13px;color:rgba(255,255,255,.6)}
.steps-more{text-align:center;margin:44px 0 0}

.home-split{display:grid;grid-template-columns:1.1fr 1fr;gap:30px}
.col{display:flex;flex-direction:column;min-width:0}
.col-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.col-head h3{font-size:20px;line-height:1.2;padding-left:12px;border-left:4px solid var(--primary)}
.col-head .more{color:var(--text-3)}
.col-head .more:hover{color:var(--primary)}
.case-card{display:block;flex:1;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;color:var(--text);transition:box-shadow .3s}
.case-card:hover{box-shadow:0 10px 30px rgba(0,0,0,.08);color:var(--text)}
.case-img{display:block;overflow:hidden;background:#bfe3f2}
.case-img svg{display:block;width:100%;height:auto;transition:transform .5s}
.case-card:hover .case-img svg,.case-row .case-img:hover svg{transform:scale(1.04)}
.case-card .case-info{display:block;padding:20px 24px}
.case-card b{display:block;font-size:18px;color:#222;margin:8px 0 6px}
.case-card:hover b{color:var(--primary)}
.case-card .muted{display:block;font-size:14px}
.tags span,.news-tag{display:inline-block;font-size:12px;line-height:22px;padding:0 8px;margin-right:6px;border-radius:2px;color:var(--primary);background:#edf4fd}
.news{flex:1;background:#fff;border:1px solid var(--line);border-radius:4px;padding:6px 24px}
.news li+li{border-top:1px dashed var(--line)}
.news a{display:block;padding:18px 0;color:var(--text)}
.news b{display:block;font-size:16px;color:#222;margin:6px 0 2px;transition:color .2s}
.news a:hover b{color:var(--primary)}
.news-sum{display:block;font-size:13px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.cta{background:var(--primary) linear-gradient(90deg,#1254b0,#1a6fd6);color:#fff;padding:50px 0}
.cta .container{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:#fff;font-size:26px;margin-bottom:6px}
.cta p{margin:0;color:rgba(255,255,255,.8)}
.cta-r{display:flex;align-items:center;gap:28px;flex:none}
.cta-phone{display:flex;align-items:center;gap:10px;color:#fff;font:600 28px/1 Arial,sans-serif}
.cta-phone:hover{color:#fff}
.cta-phone .icon{font-size:26px}

/* 内页 */
.page-banner{position:relative;overflow:hidden;padding:66px 0;text-align:center;color:#fff;background:#0f4ea6 linear-gradient(120deg,#0a2a5e,#1560c4)}
.page-banner h1{position:relative;color:#fff;font-size:34px;letter-spacing:3px}
.page-banner .en{position:relative;margin:8px 0 0;font-size:14px;letter-spacing:4px;color:rgba(255,255,255,.6);text-transform:uppercase}
.crumbs{border-bottom:1px solid var(--line);font-size:13px;line-height:50px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs span{margin:0 8px}
.crumbs em{font-style:normal;color:var(--text-2)}
.page-wrap{display:grid;grid-template-columns:250px minmax(0,1fr);grid-template-areas:"side main";gap:40px;padding-top:40px;padding-bottom:72px}
.article{grid-area:main;min-width:0}
.sidebar{grid-area:side;position:sticky;top:104px;align-self:start}
.side-box{border:1px solid var(--line);margin-bottom:24px;background:#fff}
.side-head{padding:18px 22px;background:var(--primary);color:#fff}
.side-head b{display:block;font-size:19px;letter-spacing:1px}
.side-head small{display:block;font-size:11px;letter-spacing:2px;opacity:.65;text-transform:uppercase}
.side-nav li+li{border-top:1px solid var(--line)}
.side-nav a{display:flex;justify-content:space-between;align-items:center;padding:0 22px;line-height:52px;color:#444}
.side-nav a:hover{color:var(--primary);background:#f7faff}
.side-nav a.active{color:var(--primary);background:#eef4fd;font-weight:600;box-shadow:inset 3px 0 0 var(--primary)}
.side-nav .icon{font-size:14px;color:#bbb}
.side-nav a.active .icon{color:var(--primary)}
.side-contact .side-head{background:#2b3f5c}
.side-contact-body{padding:20px 22px;font-size:14px;color:var(--text-2)}
.side-contact-body p{margin:0}
.side-phone{display:block;margin:2px 0 8px;font:600 23px/1.5 Arial,sans-serif}
.side-contact-body .btn{margin-top:14px}

.article .lead{padding:20px 24px;margin-bottom:34px;background:var(--gray);border-left:4px solid var(--primary);font-size:16px;color:#444}
.block{margin-bottom:40px}
.article h2{position:relative;font-size:20px;padding-bottom:12px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.article h2::after{content:'';position:absolute;left:0;bottom:-1px;width:60px;height:2px;background:var(--primary)}
.article p{color:#555}
.article h3{font-size:17px;margin-bottom:8px}
.dot-list li{position:relative;padding-left:18px;margin-bottom:10px;color:#555}
.dot-list li::before{content:'';position:absolute;left:2px;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.note{margin:20px 0 0;padding:13px 18px;background:#fff8ec;border:1px solid #f4dfb8;border-radius:3px;font-size:14px;color:#8a6420!important}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.info-card{padding:24px 26px;background:#fff;border:1px solid var(--line);border-radius:4px;transition:box-shadow .3s,border-color .3s}
.info-card:hover{box-shadow:0 6px 20px rgba(0,0,0,.06);border-color:#cfdcee}
.info-card .ic{display:block;font-size:32px;line-height:1;color:var(--primary);margin-bottom:14px}
.info-card .ic .icon{stroke-width:1.5}
.info-card p{margin:0;font-size:14px}
.info-card .muted{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3)}
.info-card .more{margin-top:12px}
.mini-feats{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
.mini-feat{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.mini-feat>.icon{font-size:26px;color:var(--primary);margin-top:2px}
.mini-feat h3{font-size:16px;margin-bottom:4px}
.mini-feat p{margin:0;font-size:14px}
.stages{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stage{position:relative;padding:22px 20px;border:1px solid var(--line);border-top:3px solid var(--primary);border-radius:0 0 4px 4px}
.stage em{position:absolute;right:16px;top:12px;font:600 28px/1 Arial,sans-serif;font-style:normal;color:#e1eaf7}
.stage>.icon{display:block;font-size:28px;color:var(--primary);margin-bottom:12px}
.stage h3{font-size:16px}
.stage p{margin:0;font-size:13px}
.page-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;margin-top:10px;background:#f2f7fe;border:1px solid #d7e5f8;border-radius:4px}
.page-cta b{display:block;font-size:17px;color:#222}
.page-cta span{font-size:14px;color:var(--text-2)}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:12px 16px;border:1px solid var(--line);text-align:left;vertical-align:top}
.info-table th{width:120px;background:#f5f8fc;font-weight:600;color:#333}
.info-table td{color:#555}

.case-row{display:grid;grid-template-columns:380px minmax(0,1fr);margin-bottom:40px;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.case-row .case-info{padding:24px 28px}
.case-row h3{font-size:19px;margin:10px 0}
.case-row h3 a{color:#222}
.case-row h3 a:hover{color:var(--primary)}
.case-row p{font-size:14px}
.case-row .muted{color:var(--text-3)}
.proj-head{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;margin-bottom:30px}
.proj-img{border:1px solid var(--line);overflow:hidden}
.proj-img svg{display:block;width:100%;height:auto}

.timeline li{position:relative;display:flex;gap:24px;padding-bottom:34px}
.timeline li::before{content:'';position:absolute;left:27px;top:62px;bottom:6px;border-left:2px dashed #cfdcee}
.timeline li:last-child::before{display:none}
.tl-num{flex:none;width:56px;height:56px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 6px #e8f0fc;color:#fff;font:600 20px/56px Arial,sans-serif;text-align:center}
.tl-body{flex:1;padding:12px 0 0}
.tl-body h3{font-size:18px}
.tl-body p{margin:0}

.post{padding:26px 30px;margin-bottom:24px;border:1px solid var(--line);border-radius:4px;transition:box-shadow .3s}
.post:hover{box-shadow:0 6px 20px rgba(0,0,0,.05)}
.article .post h2{margin:12px 0 14px;padding:0;border:0;font-size:20px}
.article .post h2::after{display:none}
.post p:last-child{margin:0}

.faq{margin-bottom:30px}
.faq details{margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:4px}
.faq summary{position:relative;display:flex;gap:12px;padding:15px 50px 15px 20px;font-weight:600;color:#222;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'Q';flex:none;width:24px;height:24px;margin-top:2px;border-radius:2px;background:var(--primary);color:#fff;font:600 14px/24px Arial,sans-serif;text-align:center}
.faq summary::after{content:'+';position:absolute;right:20px;top:12px;font-size:22px;font-weight:300;color:var(--text-3)}
.faq details[open] summary{color:var(--primary);border-bottom:1px dashed var(--line)}
.faq details[open] summary::after{content:'−'}
.faq details p{margin:0;padding:16px 20px 16px 56px}

.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.c-card{padding:30px 20px;text-align:center;border:1px solid var(--line);border-radius:4px}
.c-ic{display:flex;align-items:center;justify-content:center;width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:#eef4fd;color:var(--primary);font-size:24px}
.article .c-card h3{font-size:15px;font-weight:normal;color:var(--text-2);margin-bottom:4px}
.c-val{display:block;font:600 21px/1.5 Arial,"Microsoft YaHei",sans-serif;color:#222}
a.c-val:hover{color:var(--primary)}
.c-val.small{font-size:16px;line-height:1.9}
.lead-box{margin-bottom:44px;padding:30px 34px 32px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--primary);border-radius:4px;box-shadow:0 8px 28px rgba(0,0,0,.06)}
.article .lead-box h2{margin:0 0 4px;padding:0;border:0;font-size:24px}
.article .lead-box h2::after{display:none}
.lead-title{margin-bottom:24px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.lead-title p{margin:0;color:var(--text-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
.field{min-width:0;margin:0 0 18px;padding:0;border:0}
.field label,.field legend{display:block;margin-bottom:8px;padding:0;font-size:14px;font-weight:600;color:#333}
.field i{font-style:normal;color:#e4393c}
.lead-form input:not([type=radio]):not([type=checkbox]),.lead-form select,.lead-form textarea{display:block;width:100%;height:42px;padding:0 12px;border:1px solid #d5dbe3;border-radius:3px;background:#fff;color:#333;font:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s}
.lead-form textarea{height:auto;padding:10px 12px;resize:vertical}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,97,197,.12)}
.lead-form ::placeholder{color:#b5bcc6}
.field.invalid input,.field.invalid textarea{border-color:#e4393c!important;box-shadow:0 0 0 3px rgba(228,57,60,.1)!important}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{position:relative;margin:0;font-weight:normal;cursor:pointer}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:block;padding:0 18px;line-height:38px;border:1px solid #d5dbe3;border-radius:3px;font-size:14px;color:#555;transition:all .2s}
.chips label:hover span{border-color:var(--primary);color:var(--primary)}
.chips input:checked+span{border-color:var(--primary);background:#eef4fd;color:var(--primary);font-weight:600}
.chips input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.agree{display:flex;align-items:flex-start;gap:8px;margin:2px 0 22px;font-size:13px;color:var(--text-2);cursor:pointer}
.agree input{flex:none;margin:4px 0 0}
.agree.invalid{color:#e4393c}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px}
.form-foot .muted{font-size:14px}
.btn-lg{height:46px;line-height:44px;padding:0 48px;font-size:16px}
.btn:disabled{opacity:.6;cursor:wait}
.form-status{margin:14px 0 0;font-size:14px}
.form-status:empty{display:none}
.form-status.err{color:#e4393c}
.lead-done{padding:36px 10px 20px;text-align:center;outline:0}
.lead-done>.icon{font-size:60px;color:#2e9d5b;stroke-width:1.5}
.article .lead-done h3{margin:14px 0 8px;font-size:22px}
.lead-done p{margin:0}

/* 页脚 */
.footer{background:var(--footer);color:#8b96a5;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-top:56px;padding-bottom:44px}
.footer h4{margin-bottom:18px;font-size:16px;color:#fff}
.footer a{color:#8b96a5}
.footer a:hover{color:#fff}
.footer li{margin-bottom:8px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.f-brand b{font-size:20px;letter-spacing:2px;color:#fff}
.f-brand .logo-mark{width:36px;height:36px}
.f-about p{max-width:320px}
.f-contact li{display:flex;align-items:center;gap:8px}
.f-contact .icon{color:#5d9cec}
.footer .f-phone{font:600 20px/1.4 Arial,sans-serif;color:#fff}
.footer-bottom{padding:18px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#6b7684}
.footer-bottom .container{display:flex;justify-content:space-between;gap:10px}
.footer-bottom a{color:#6b7684}

.to-top{position:fixed;right:24px;bottom:30px;z-index:60;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:3px;background:var(--primary);color:#fff;font-size:22px;opacity:0;visibility:hidden;transition:all .3s;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--primary-dark);color:#fff}

@media (max-width:1100px){
 .nav a{padding:0 12px}
 .nav a::after{left:12px;right:12px}
 .hero-art{flex-basis:420px}
 .hero h1{font-size:38px}
}
@media (max-width:960px){
 .topbar-l{display:none}
 .topbar .container{justify-content:flex-end}
 .header-inner{height:64px}
 .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;margin-right:-10px;border:0;background:none;cursor:pointer}
 .nav-toggle span{display:block;height:2px;border-radius:1px;background:#333;transition:transform .25s,opacity .25s}
 .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
 .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
 .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
 .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 8px 16px rgba(0,0,0,.08)}
 .nav.open{display:block}
 .nav ul{flex-direction:column}
 .nav li+li{border-top:1px solid #f0f0f0}
 .nav a{padding:0 20px;line-height:48px}
 .nav a::after{display:none}
 .nav a.active{background:#f2f7fe}
 .hero-inner{flex-direction:column;gap:30px;min-height:0;padding-top:56px;padding-bottom:44px;text-align:center}
 .hero-text{max-width:none}
 .hero-desc br{display:none}
 .hero-btns .btn{margin:0 6px}
 .hero-art{flex:none;width:100%;max-width:440px}
 .biz-grid,.home-split{grid-template-columns:1fr}
 .feat-grid,.why-grid{grid-template-columns:1fr 1fr}
 .steps{grid-template-columns:1fr;gap:22px;max-width:420px;margin:0 auto}
 .step{display:grid;grid-template-columns:56px 1fr;gap:0 16px;padding:0;text-align:left}
 .step::before{display:none}
 .step-num{grid-row:span 2;width:56px;height:56px;margin:0;font-size:18px}
 .step h3{margin:4px 0 2px}
 .cta .container{flex-direction:column;text-align:center}
 .cta-r{flex-direction:column;gap:18px}
 .page-wrap{grid-template-columns:1fr;grid-template-areas:"main" "side";gap:10px;padding-top:30px;padding-bottom:50px}
 .sidebar{position:static}
 .stages{grid-template-columns:1fr 1fr}
 .case-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
 body{font-size:14px}
 .container{padding-left:16px;padding-right:16px}
 .brand b{font-size:19px}
 .logo-mark{width:38px;height:38px}
 .hero h1{font-size:28px}
 .hero-kicker{font-size:11px;letter-spacing:1px}
 .hero-desc{font-size:15px}
 .hero-btns .btn{padding:0 24px}
 .section{padding:50px 0}
 .sec-title{margin-bottom:30px}
 .sec-title h2{font-size:24px}
 .feat-grid,.why-grid,.grid-2,.mini-feats,.stages,.contact-cards,.proj-head,.footer-grid{grid-template-columns:1fr}
 .feat{padding:26px 22px}
 .biz-head{padding:24px 22px 0}
 .biz-body{padding:18px 22px}
 .biz-foot{padding:14px 22px}
 .biz-body .check-list{grid-template-columns:1fr}
 .why{display:grid;grid-template-columns:64px 1fr;gap:0 16px;text-align:left}
 .why-icon{grid-row:span 2;width:64px;height:64px;margin:0;font-size:26px}
 .cta h2{font-size:22px}
 .cta-phone{font-size:24px}
 .page-banner{padding:44px 0}
 .page-banner h1{font-size:26px}
 .article .lead{padding:16px 18px;font-size:15px}
 .page-cta{flex-direction:column;align-items:flex-start}
 .post{padding:22px 20px}
 .faq details p{padding-left:20px}
 .lead-box{padding:24px 18px}
 .form-grid{grid-template-columns:1fr}
 .btn-lg{width:100%}
 .footer-grid{gap:28px;padding-top:44px;padding-bottom:30px}
 .footer-bottom .container{flex-direction:column}
 .to-top{right:14px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *{animation:none!important;transition:none!important}
}