*{box-sizing:border-box}
body{margin:0;background:#fff;color:#1A1A18;
font:16px/1.8 -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

/* 顶栏 */
.hd{border-bottom:1px solid #E5E1D9;position:sticky;top:0;background:rgba(255,255,255,.96);z-index:20}
.hd-in{max-width:1180px;margin:0 auto;padding:0 32px;height:72px;
display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:baseline;gap:12px}
.logo b{font-size:19px;font-weight:700;letter-spacing:.1em}
.logo em{font-style:normal;font-size:10.5px;letter-spacing:.16em;color:#8A857D}
nav{display:flex;align-items:center;gap:30px}
nav a{font-size:13.5px;color:#3A4A5A;padding:4px 0;border-bottom:1px solid transparent}
nav a:hover{color:#103A5E;border-bottom-color:#103A5E}
.tel-btn{background:#103A5E;color:#fff;padding:11px 22px;font-size:13.5px;letter-spacing:.04em}
.tel-btn:hover{background:#0B2A46;color:#fff}

/* Hero 分栏 */
.hero{padding:80px 0 80px;border-bottom:1px solid #E5E1D9;background:#F7F6F3}
.hero-in{display:grid;grid-template-columns:1.32fr 1fr;gap:72px;align-items:stretch}
.eyebrow{font-size:11px;letter-spacing:.2em;color:#103A5E;text-transform:uppercase;
margin-bottom:22px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:2px;background:#103A5E}
.hero h1{font-size:clamp(30px,3.5vw,44px);line-height:1.34;letter-spacing:-.005em;
margin:0 0 24px;font-weight:700;max-width:16em}
.hero .lead{font-size:16px;line-height:1.95;color:#4E4B46;margin:0 0 32px;max-width:32em}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{background:#103A5E;color:#fff;padding:14px 30px;font-size:14px;transition:.2s}
.btn:hover{background:#0B2A46}
.btn-o{border:1px solid #C9D4E0;color:#101B29;background:#fff}
.btn-o:hover{border-color:#103A5E;color:#103A5E}

.info{background:#fff;border:1px solid #E5E1D9;border-top:2px solid #103A5E;
padding:34px 30px;display:flex;flex-direction:column;justify-content:center}
.info dl{margin:0}
.info dt{font-size:10.5px;letter-spacing:.18em;color:#8A857D;text-transform:uppercase;margin:0 0 5px}
.info dd{margin:0 0 20px;font-size:14.5px;line-height:1.8;color:#43413D}
.info dd:last-child{margin-bottom:0}
.info dd.tel{font-size:21px;font-weight:700;letter-spacing:.01em;color:#101B29}

/* 服务横条 */
.band{background:#fff;border-bottom:1px solid #E5E1D9}
.band ul{list-style:none;margin:0 auto;padding:0 32px;max-width:1180px;display:grid;
grid-template-columns:repeat(4,1fr)}
.band li{padding:36px 28px 36px 0;border-right:1px solid #F0EDE7}
.band li:last-child{border-right:none;padding-right:0}
.band b{display:block;font-size:15px;margin-bottom:10px;letter-spacing:.02em}
.band span{font-size:13px;line-height:1.85;color:#77726B}

/* 区块 */
.sec{padding:80px 0}
.sec.alt{background:#F7F6F3;border-top:1px solid #E5E1D9;border-bottom:1px solid #E5E1D9}
.sh{margin-bottom:44px;max-width:700px}
.sh .idx{font-size:11px;letter-spacing:.2em;color:#103A5E;display:block;margin-bottom:12px;
text-transform:uppercase}
.sh h2{font-size:clamp(23px,2.6vw,30px);line-height:1.45;margin:0 0 14px;font-weight:700}
.sh p{margin:0;color:#77726B;font-size:14.8px;line-height:1.9}

/* 规格表 */
.spec{margin:0;border-top:1px solid #E5E1D9}
.spec-row{display:grid;grid-template-columns:190px 1fr;border-bottom:1px solid #F0EDE7}
.spec-row dt{padding:18px 24px 18px 0;margin:0;font-size:12.5px;letter-spacing:.04em;color:#8A857D}
.spec-row dd{margin:0;padding:18px 0;font-size:14.6px;line-height:1.9;color:#43413D}
.spec-row dd strong{color:#101B29;font-weight:600}

/* 两栏：标题 + 步骤 */
.two{display:grid;grid-template-columns:300px 1fr;gap:56px}
.two .side .idx{display:block;font-size:11px;letter-spacing:.2em;color:#103A5E;
 margin-bottom:12px;text-transform:uppercase}
.two .side h2{font-size:clamp(23px,2.6vw,30px);line-height:1.45;margin:0 0 14px;font-weight:700}
.two .side p{font-size:14px;color:#77726B;line-height:1.9;margin:0}
.flow{counter-reset:s;margin:0;padding:0;list-style:none;border-top:1px solid #E5E1D9}
.flow li{counter-increment:s;padding:20px 0;border-bottom:1px solid #F0EDE7;
display:grid;grid-template-columns:48px 1fr;gap:16px}
.flow li::before{content:counter(s,decimal-leading-zero);font-size:12px;color:#103A5E;
letter-spacing:.06em;padding-top:4px}
.flow b{display:block;font-size:15px;margin-bottom:5px}
.flow span{font-size:13.6px;color:#77726B;line-height:1.85}

/* 双栏卡 */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{border:1px solid #E5E1D9;background:#fff;padding:30px 28px}
.card b{display:block;font-size:16px;margin-bottom:10px}
.card p{margin:0;font-size:13.8px;line-height:1.9;color:#77726B}

/* 问答：与规格表同一套细线语言，不再单独做卡片 */
.qa{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #E5E1D9}
.qa a{display:block;padding:28px 34px 28px 0;border-bottom:1px solid #F0EDE7}
.qa a:nth-child(2n){padding:28px 0 28px 34px;border-left:1px solid #F0EDE7}
.qa a:hover h3{color:#103A5E}
.qa small{font-size:10.5px;letter-spacing:.16em;color:#103A5E;display:block;margin-bottom:9px}
.qa h3{font-size:16.5px;margin:0 0 9px;line-height:1.55;font-weight:600}
.qa p{margin:0;font-size:13.2px;color:#77726B;line-height:1.85}
.qa .more{display:inline-block;margin-top:14px;font-size:12.5px;color:#103A5E}

/* 正文 */
.prose{max-width:46em}
.prose h2{font-size:22px;font-weight:700;margin:48px 0 18px}
.prose h3{font-size:16px;font-weight:600;margin:30px 0 10px}
.prose p{margin:0 0 16px;color:#43413D;font-size:15px;line-height:2}
.prose ul{margin:0 0 20px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:20px;margin-bottom:11px;color:#43413D;
font-size:14.6px;line-height:1.9}
.prose ul li::before{content:"";position:absolute;left:4px;top:12px;width:5px;height:5px;
background:#103A5E;border-radius:50%}
.prose strong{color:#101B29}

/* 内页头 */
.phead{background:#F7F6F3;border-bottom:1px solid #E5E1D9;padding:60px 0 52px}
.crumb{font-size:11.5px;letter-spacing:.12em;color:#8A857D;margin-bottom:22px}
.crumb a:hover{color:#103A5E}
.phead h1{font-size:clamp(26px,3.4vw,40px);line-height:1.4;margin:0 0 16px;font-weight:700;max-width:22em}
.phead p{margin:0;color:#77726B;font-size:15.5px;line-height:1.95;max-width:46em}

/* 提示 */
.note{border-left:2px solid #103A5E;padding:2px 0 2px 20px;color:#43413D;
font-size:14.6px;line-height:1.95;margin:30px 0 0}
.note strong{color:#101B29}
/* CTA：整块填充主色，作为页面的色彩锚点（此前全页只有页脚是深的，中间没有重心） */
.cta-box{background:#103A5E;padding:46px 48px}
.cta-box h2{font-size:24px;margin:0 0 14px;font-weight:700;color:#fff}
.cta-box p{margin:0 0 28px;color:rgba(255,255,255,.74);font-size:14.8px;line-height:1.95;max-width:54em}
.cta-box .btn{background:#fff;color:#103A5E}
.cta-box .btn:hover{background:#E6EDF4;color:#0B2A46}
.cta-box .btn-o{border:1px solid rgba(255,255,255,.34);color:#fff;background:transparent}
.cta-box .btn-o:hover{border-color:#fff;color:#fff}

/* 页脚 */
.ft{background:#0A1724;color:#fff;padding:56px 0 28px}
.ft-in{max-width:1180px;margin:0 auto;padding:0 32px;display:grid;
grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:32px;
border-bottom:1px solid rgba(255,255,255,.12)}
.ft-brand{font-size:17px;font-weight:700;letter-spacing:.06em}
.ft-note{font-size:12.6px;line-height:1.9;color:rgba(255,255,255,.5);margin:14px 0 0;max-width:30em}
.ft h4{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
color:rgba(255,255,255,.4);margin:0 0 14px;font-weight:500}
.ft-in p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.74);margin:0 0 8px}
.ft-bot{max-width:1180px;margin:0 auto;padding:20px 32px 0;display:flex;
justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.36)}

@media(max-width:960px){
 .hd-in{padding:0 22px}nav a:not(.tel-btn){display:none}
 .wrap{padding:0 22px}
 .hero{grid-template-columns:1fr;gap:32px;padding:56px 0 44px}
 .band ul{grid-template-columns:1fr 1fr}
 .band li{border-right:none;border-bottom:1px solid #F0EDE7;padding:24px 18px}
 .sec{padding:56px 0}
 .spec-row{grid-template-columns:1fr}
 .spec-row dt{padding:16px 0 4px}
 .spec-row dd{padding:0 0 16px}
 .two{grid-template-columns:1fr;gap:26px}
 .g2,.qa{grid-template-columns:1fr}
 .qa a,.qa a:nth-child(2n){padding:22px 0;border-left:none}
 .ft-in{grid-template-columns:1fr;gap:28px}
 .cta-box{padding:30px 24px}
}