*{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue-900:#0e2f5c;--blue-700:#1552a0;--blue-600:#1a63c4;--blue-500:#2f7fe0;
  --blue-300:#8ec2f5;--blue-100:#e3f1fd;--blue-50:#f4f9ff;
  --ink:#152a45;--muted:#5d7794;--line:#d9e9f8;--card:#fff;
  --radius:16px;--shadow:0 6px 20px rgba(21,82,160,.07);
  --shadow-lg:0 16px 40px rgba(21,82,160,.13);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);line-height:1.75;font-size:15px;
  background:linear-gradient(180deg,#e6f2fd 0%,#f4f9ff 45%,#eaf4fd 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-500)}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}

/* 顶部条 */
.topbar{background:var(--blue-900);color:#cfe3f7;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:9px 22px;max-width:1160px;margin:0 auto}
.topbar a{color:#fff;font-weight:600}

/* 导航 */
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(21,82,160,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px;max-width:1160px;margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;color:var(--blue-900)}
.brand-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(140deg,#2f7fe0,#1552a0);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;flex:none}
.brand-text strong{display:block;font-size:16px;line-height:1.35;letter-spacing:.2px}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted)}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 13px;border-radius:9px;font-size:14.5px;color:#3c5878;font-weight:500;transition:.2s}
.nav a:hover{background:var(--blue-100);color:var(--blue-700)}
.nav a.active{background:var(--blue-600);color:#fff;box-shadow:0 4px 12px rgba(26,99,196,.28)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;font-size:20px;padding:5px 12px;color:var(--blue-700);cursor:pointer}

/* 内页标题区 */
.page-hero{padding:44px 0 10px}
.page-hero h1{font-size:29px;line-height:1.42;color:var(--blue-900);letter-spacing:.2px;margin-bottom:10px}
.page-hero p{color:#41608a;font-size:15px;max-width:820px;line-height:1.9}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--blue-600)}
.crumb span{color:var(--muted)}

/* 首页首屏 */
.hero{padding:52px 0 22px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.kicker{display:inline-block;background:var(--blue-100);color:var(--blue-700);font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:30px;line-height:1.45;color:var(--blue-900);margin-bottom:10px;font-weight:700}
.subtitle{font-size:15px;color:var(--blue-600);font-weight:600;margin-bottom:16px}
.lead{font-size:15.5px;color:#41608a;line-height:1.95;margin-bottom:26px}

.phone-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.phone-label{display:block;font-size:13px;color:var(--muted);letter-spacing:1px;margin-bottom:2px}
.phone-number{font-size:29px;font-weight:800;color:var(--blue-600);letter-spacing:1px;line-height:1.25;font-variant-numeric:tabular-nums}
.phone-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--blue-600);color:#fff;border:none;border-radius:10px;padding:11px 20px;font-size:14.5px;font-weight:600;font-family:inherit;cursor:pointer;transition:.2s;box-shadow:0 5px 16px rgba(26,99,196,.26)}
.btn:hover{background:var(--blue-500);transform:translateY(-1px);color:#fff}
.btn-ghost{background:#fff;color:var(--blue-700);border:1px solid var(--blue-300);box-shadow:none}
.btn-ghost:hover{background:var(--blue-50);color:var(--blue-700)}
.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pill{background:#fff;border:1px solid var(--line);color:#41608a;font-size:13px;padding:6px 14px;border-radius:999px}
.hero-figure{margin:0;background:#fff;border-radius:18px;padding:12px;box-shadow:var(--shadow-lg);border:1px solid var(--line);cursor:zoom-in}
.hero-figure img{width:100%;height:auto;border-radius:11px;background:var(--blue-50)}
.hero-figure figcaption{text-align:center;font-size:13px;color:var(--muted);padding-top:10px}

/* 区块 */
.section{padding:52px 0}
.section-soft{background:rgba(255,255,255,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{position:relative;padding-left:15px;font-size:23px;color:var(--blue-900);line-height:1.4}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:linear-gradient(180deg,#5aa6f2,#1552a0)}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:6px;padding-left:15px}

/* 图片墙 */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);cursor:zoom-in;transition:.25s}
.gallery figure:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--blue-50);border-radius:9px}
.gallery figcaption{text-align:center;font-size:13px;color:var(--muted);padding:9px 2px 3px}
.gallery.two{grid-template-columns:repeat(2,1fr)}

/* 卡片 */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{font-size:17.5px;color:var(--blue-900);margin-bottom:12px}
.card p{color:#41608a;font-size:14.5px;line-height:1.95;margin-bottom:10px}
.card p:last-child{margin-bottom:0}
.muted{color:var(--muted)!important;font-size:13.5px!important;background:var(--blue-50);border-radius:9px;padding:9px 13px;margin-top:14px!important}
.card-actions{margin-top:20px!important}

.info-list{list-style:none}
.info-list li{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;align-items:flex-start}
.info-list li:last-child{border-bottom:none}
.info-list b{flex:none;width:78px;color:var(--blue-700);font-weight:600}
.info-list span{color:#41608a}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px 20px;box-shadow:var(--shadow);transition:.25s}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.step-no{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,#2f7fe0,#1552a0);color:#fff;font-weight:700;font-size:15px;margin-bottom:13px}
.step h3{font-size:16px;color:var(--blue-900);margin-bottom:7px}
.step p{font-size:14px;color:#4d6b8c;line-height:1.85}

/* 问答 */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 20px;box-shadow:var(--shadow);transition:.2s}
.faq details[open]{box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
.faq summary{cursor:pointer;list-style:none;padding:16px 30px 16px 0;position:relative;font-size:15px;font-weight:600;color:var(--blue-900)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;color:var(--blue-500);transition:.25s}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:14px 0 17px;color:#41608a;font-size:14.5px;line-height:1.95;border-top:1px dashed var(--line)}

/* 口碑 */
.review{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;gap:16px;transition:.25s}
.review:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.review p{color:#41608a;font-size:14.5px;line-height:1.95}
.who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--blue-100);color:var(--blue-700);display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);color:#41608a}
th{background:var(--blue-50);color:var(--blue-900);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:none}

/* 地址卡 */
.address-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-lg)}
.address-card h3{font-size:18px;color:var(--blue-900);margin-bottom:14px}
.address-card .addr{font-size:16px;color:var(--ink);font-weight:600;margin-bottom:8px}
.address-card .tel{font-size:22px;color:var(--blue-600);font-weight:800;letter-spacing:.5px;margin-bottom:16px}

/* 经营原则 */
.principle{background:#fff;border-left:5px solid var(--blue-600)}
.principle h2{font-size:22px;color:var(--blue-900);margin-bottom:14px}

/* 页脚 */
.site-footer{background:var(--blue-900);color:#b9d3ec;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:36px;padding:46px 22px 34px;max-width:1160px;margin:0 auto}
.site-footer h3{color:#fff;font-size:15.5px;margin-bottom:13px}
.site-footer p{font-size:13.5px;line-height:1.9;margin-bottom:6px;color:#a9c6e2}
.site-footer a{color:#8ec2f5}
.footer-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-links a{font-size:13.5px;color:#a9c6e2}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.13);padding:16px 0}
.copyright-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8bafd1;max-width:1160px;margin:0 auto;padding:0 22px}

/* 图片放大 */
.lightbox{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;background:rgba(9,25,45,.94);backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:.3s;padding:30px}
.lightbox.open{opacity:1;visibility:visible}
.lb-img{max-width:92vw;max-height:84vh;object-fit:contain;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.55);transform:scale(.94);transition:transform .32s cubic-bezier(.2,.8,.3,1)}
.lightbox.open .lb-img{transform:scale(1)}
.lb-caption{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#cfe3f7;font-size:14px}
.lb-close{position:absolute;top:22px;right:26px;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:26px;line-height:1;cursor:pointer;transition:.22s;display:grid;place-items:center}
.lb-close:hover{background:rgba(255,255,255,.24);transform:rotate(90deg)}

/* 提示 */
.toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:var(--blue-900);color:#fff;padding:12px 24px;border-radius:11px;font-size:14px;box-shadow:0 14px 36px rgba(0,0,0,.28);opacity:0;visibility:hidden;transition:.28s;z-index:1000}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* 响应式 */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .grid-2,.grid-3,.steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:24px}
}
@media(max-width:720px){
  .topbar-inner{justify-content:center;text-align:center;font-size:12px}
  .nav-toggle{display:block}
  .nav{display:none;width:100%;flex-direction:column;gap:2px;padding:10px 0 4px;border-top:1px solid var(--line);margin-top:10px}
  .nav.open{display:flex}
  .nav a{padding:11px 14px}
  .nav-inner{flex-wrap:wrap}
  .hero{padding:34px 0 10px}
  .hero h1{font-size:22px}
  .phone-card{padding:17px 18px;gap:14px}
  .phone-number{font-size:25px}
  .phone-actions{width:100%}
  .phone-actions .btn{flex:1}
  .section{padding:38px 0}
  .section-head h2{font-size:19px}
  .gallery,.gallery.two{grid-template-columns:1fr 1fr;gap:12px}
  .gallery figcaption{font-size:12px}
  .grid-2,.grid-3,.steps{grid-template-columns:1fr}
  .card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .copyright-inner{justify-content:center;text-align:center}
}
@media(max-width:400px){
  .gallery,.gallery.two{grid-template-columns:1fr}
}