:root{
  --paper:#F7F3EB; --card:#FFFDF8; --ink:#17191E; --ink-2:#4B4E57; --ink-3:#85867F;
  --line:#DED6C7; --line-strong:#C9BFA9;
  --cin:#A63A2B; --cin-deep:#8A2E21; --cin-soft:#F3E3DD;
  --gold:#B8934A; --gold-soft:#E9DFC8;
  --dark:#101318; --dark-2:#1A1E26; --dark-line:#2A2F3A;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  --font-serif:Georgia,"Noto Serif SC","Songti SC","STSong","SimSun",serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);font-size:15.5px;line-height:1.78;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cin-deep);text-decoration:none;}
a:hover{color:var(--cin);}
ul,ol{list-style:none;}
.container{max-width:1160px;margin:0 auto;padding:0 20px;box-sizing:border-box;}
::selection{background:var(--cin);color:#fff;}

/* ---------- 按钮（直角 + 朱红） ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 30px;border-radius:2px;font-size:15px;font-weight:600;line-height:1.4;transition:background .2s,color .2s,border-color .2s;border:1px solid transparent;cursor:pointer;font-family:var(--font-sans);}
.btn-primary{background:var(--cin);color:#fff;border-color:var(--cin);}
.btn-primary:hover{background:var(--cin-deep);color:#fff;border-color:var(--cin-deep);}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn-outline:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--cin);color:var(--cin-deep);}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0;}
.section-soft{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:40px;max-width:780px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.22em;font-family:var(--font-serif);}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);}
.sec-title{font-family:var(--font-serif);font-size:30px;font-weight:700;line-height:1.35;margin:12px 0 12px;color:var(--ink);letter-spacing:.02em;}
.sec-desc{color:var(--ink-2);font-size:15.5px;}
.section-center .sec-head{margin-left:auto;margin-right:auto;text-align:center;}
.section-center .sec-eyebrow::before{display:none;}
.section-center .sec-eyebrow::after{content:"";width:22px;height:1px;background:var(--gold);}

/* ---------- 顶部朱红线 ---------- */
.top-line{height:4px;background:linear-gradient(90deg,var(--cin) 0%,var(--cin) 34%,var(--gold) 34%,var(--gold) 100%);}

/* ---------- 页头（深墨） ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--dark);border-bottom:1px solid var(--dark-line);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:baseline;gap:12px;flex-shrink:0;}
.logo-name{font-family:var(--font-serif);font-size:26px;font-weight:700;color:#fff;letter-spacing:.06em;}
.logo-pro{font-size:11px;font-weight:700;color:var(--dark);background:var(--gold);border-radius:2px;padding:2px 6px;vertical-align:3px;margin-left:3px;font-family:var(--font-sans);}
.logo-city{font-size:13px;color:#C9BFA9;border-left:1px solid var(--dark-line);padding-left:12px;font-weight:600;letter-spacing:.12em;}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{padding:9px 16px;font-size:15px;color:rgba(255,255,255,.72);font-weight:500;border-radius:2px;}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(184,147,74,.16);border-bottom:2px solid var(--gold);border-radius:2px 2px 0 0;font-weight:700;}
.header-cta{margin-left:10px;padding:10px 24px;font-size:14.5px;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:0;background:transparent;cursor:pointer;margin-left:auto;}
.nav-toggle-bar{display:block;width:22px;height:2px;background:#fff;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero（左右分栏 + 金框图） ---------- */
.hero{background:var(--dark);color:#fff;border-bottom:1px solid var(--dark-line);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:84px 20px 80px;}
.hero-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--gold);font-family:var(--font-serif);}
.hero-tag::before{content:"";width:26px;height:1px;background:var(--gold);}
.hero h1{font-family:var(--font-serif);font-size:44px;line-height:1.28;font-weight:700;margin:22px 0 18px;letter-spacing:.03em;}
.hero-accent{width:64px;height:3px;background:var(--cin);margin:0 0 22px;}
.hero-sub{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:28px;font-size:13.5px;color:rgba(255,255,255,.55);max-width:620px;letter-spacing:.04em;}
.hero-media{position:relative;}
.hero-media::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:1px solid var(--gold);z-index:0;}
.hero-media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;filter:grayscale(.12) contrast(1.02);}

/* ---------- 四大业务板块（中文序号 + 细线） ---------- */
.blocks-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);}
.block-card{position:relative;background:var(--card);padding:34px 32px 30px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);transition:background .2s;}
.block-card:hover{background:#FFF9EE;}
.block-no{font-family:var(--font-serif);font-size:30px;font-weight:700;color:var(--cin);line-height:1;margin-bottom:20px;display:block;}
.block-card h3{font-family:var(--font-serif);font-size:21px;font-weight:700;margin-bottom:6px;letter-spacing:.04em;}
.block-sub{font-size:13px;color:var(--gold);font-weight:600;letter-spacing:.14em;margin-bottom:12px;}
.block-desc{font-size:14px;color:var(--ink-2);margin-bottom:18px;line-height:1.75;}
.block-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--cin-deep);font-family:var(--font-serif);}
.block-more:hover{color:var(--cin);}

/* ---------- 热门服务（纵向细线列表） ---------- */
.svc-list{border-top:1px solid var(--line-strong);}
.svc-row{display:flex;align-items:center;gap:26px;padding:22px 8px;border-bottom:1px solid var(--line);transition:background .15s;background:transparent;}
.svc-row:hover{background:var(--card);}
.svc-no{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--gold);width:52px;flex-shrink:0;}
.svc-body{flex:1;min-width:0;}
.svc-name{font-family:var(--font-serif);font-size:18.5px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.svc-short{font-size:13.5px;color:var(--ink-2);margin-top:4px;}
.svc-more{color:var(--cin);flex-shrink:0;display:flex;align-items:center;}

/* ---------- 为什么选择 ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);}
.why-item{display:flex;gap:18px;padding:26px 26px 24px;background:var(--card);border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);}
.why-num{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--cin);line-height:1;flex-shrink:0;margin-top:3px;}
.why-item h3{font-family:var(--font-serif);font-size:17px;font-weight:700;margin-bottom:5px;letter-spacing:.03em;}
.why-item p{font-size:13.5px;color:var(--ink-2);}

/* ---------- 分站介绍 ---------- */
.local-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.local-media{position:relative;}
.local-media::before{content:"";position:absolute;inset:-12px 12px 12px -12px;border:1px solid var(--cin);z-index:0;}
.local-media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;}
.local-body h2{font-family:var(--font-serif);font-size:28px;font-weight:700;line-height:1.4;margin-bottom:16px;letter-spacing:.03em;}
.local-body p{color:var(--ink-2);margin-bottom:14px;}
.local-points{margin-top:20px;display:grid;gap:12px;}
.local-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink);}
.local-points .lp-mark{width:20px;height:20px;border:1px solid var(--gold);color:var(--cin-deep);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px;font-size:12px;}

/* ---------- 知识中心（编辑式列表） ---------- */
.news-list{border-top:1px solid var(--line-strong);}
.news-row{display:flex;align-items:center;gap:28px;padding:24px 8px;border-bottom:1px solid var(--line);transition:background .15s;}
.news-row:hover{background:var(--card);}
.news-date{font-family:var(--font-serif);font-size:15px;color:var(--gold);width:96px;flex-shrink:0;letter-spacing:.06em;}
.news-title{flex:1;font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.news-summary{flex:1.6;font-size:13.5px;color:var(--ink-2);}
.news-more{color:var(--cin);flex-shrink:0;display:flex;align-items:center;}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:var(--dark);border:1px solid var(--dark-line);border-top:3px solid var(--gold);color:#fff;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-family:var(--font-serif);font-size:25px;font-weight:700;margin-bottom:8px;letter-spacing:.03em;}
.cta-band p{color:rgba(255,255,255,.72);max-width:580px;}
.cta-band .btn-primary{flex-shrink:0;}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--card);border-bottom:1px solid var(--line);}
.breadcrumb-inner{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:13px 20px;font-size:13.5px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--cin-deep);}
.crumb-sep{color:#C9BFA9;}
.crumb-current{color:var(--ink-2);font-weight:600;}

/* ---------- 内页头部 ---------- */
.page-hero{background:var(--dark);border-bottom:1px solid var(--dark-line);color:#fff;padding:52px 0 50px;}
.page-hero h1{font-family:var(--font-serif);font-size:34px;font-weight:700;line-height:1.35;margin-bottom:14px;letter-spacing:.03em;}
.page-hero p{color:rgba(255,255,255,.75);max-width:780px;font-size:15.5px;}
.page-hero .hero-accent{margin-top:18px;}

/* ---------- 正文 ---------- */
.prose h2{font-family:var(--font-serif);font-size:23px;font-weight:700;margin:42px 0 16px;padding-left:16px;border-left:3px solid var(--cin);line-height:1.45;letter-spacing:.03em;}
.prose h3{font-family:var(--font-serif);font-size:18.5px;font-weight:700;margin:28px 0 12px;}
.prose p{margin-bottom:16px;color:var(--ink-2);}
.prose ul{margin:0 0 18px;display:grid;gap:10px;}
.prose li{position:relative;padding-left:26px;color:var(--ink-2);}
.prose li::before{content:"◆";position:absolute;left:2px;top:0;color:var(--gold);font-size:12px;}
.applicable-box{background:var(--card);border:1px solid var(--line-strong);border-left:4px solid var(--cin);padding:24px 26px;margin:28px 0;}
.applicable-box h3{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--cin-deep);margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.applicable-box ul{display:grid;gap:9px;margin:0;}
.applicable-box li{position:relative;padding-left:26px;color:var(--ink-2);font-size:14.5px;}
.applicable-box li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cin);font-weight:800;font-size:15px;}
.note-callout{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);padding:15px 19px;font-size:14px;color:var(--ink-2);margin:22px 0;}

/* ---------- 流程（纵向中式步骤） ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);margin-top:30px;}
.step{background:var(--card);padding:24px 20px 22px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);position:relative;}
.step-num{font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--cin);line-height:1;display:block;margin-bottom:14px;}
.step h3{font-family:var(--font-serif);font-size:16px;font-weight:700;margin-bottom:7px;letter-spacing:.04em;}
.step p{font-size:13px;color:var(--ink-2);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line-strong);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 6px;font-family:var(--font-serif);font-size:16.5px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px;background:transparent;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";font-size:18px;color:var(--cin);font-weight:700;transition:transform .2s;flex-shrink:0;font-family:var(--font-sans);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-a{padding:2px 6px 20px;color:var(--ink-2);font-size:14.5px;}

/* ---------- 侧栏布局 ---------- */
.layout{max-width:1160px;margin:0 auto;box-sizing:border-box;display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;padding:52px 20px 72px;}
.layout-main{min-width:0;}
.sidebar{position:sticky;top:92px;display:grid;gap:22px;}
.side-card{background:var(--card);border:1px solid var(--line-strong);padding:22px;}
.side-card h3{font-family:var(--font-serif);font-size:16px;font-weight:700;margin-bottom:16px;padding-bottom:11px;border-bottom:1px solid var(--line);color:var(--ink);letter-spacing:.05em;}
.side-list{display:grid;gap:2px;}
.side-list a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 8px;font-size:14px;color:var(--ink-2);border-bottom:1px dotted var(--line);}
.side-list a:hover{color:var(--cin-deep);background:var(--paper);}
.side-list a.is-cur{color:var(--cin-deep);font-weight:700;background:var(--cin-soft);}
.side-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);padding:7px 0;}
.side-contact svg{color:var(--cin);flex-shrink:0;margin-top:3px;}
.side-main{margin-top:14px;background:var(--dark);border-top:2px solid var(--gold);padding:18px;color:#fff;}
.side-main .sm-label{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.1em;}
.side-main .sm-url{font-size:14.5px;font-weight:700;color:#E2C98F;word-break:break-all;font-family:var(--font-serif);}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;margin-top:30px;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);}
.contact-card{background:var(--card);padding:26px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);}
.contact-card .cc-icon{width:46px;height:46px;border:1px solid var(--gold);color:var(--cin-deep);display:flex;align-items:center;justify-content:center;margin-bottom:16px;background:var(--paper);}
.contact-card h3{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.12em;margin-bottom:7px;}
.contact-card .cc-value{font-family:var(--font-serif);font-size:16.5px;font-weight:700;color:var(--ink);word-break:break-all;}

/* ---------- 关于页 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0;margin-top:28px;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);}
.point-card{display:flex;gap:14px;background:var(--card);border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:22px;}
.point-card svg{color:var(--cin);flex-shrink:0;margin-top:4px;}
.point-card h3{font-family:var(--font-serif);font-size:16px;font-weight:700;margin-bottom:5px;}
.point-card p{font-size:13.5px;color:var(--ink-2);}

/* ---------- 文章 ---------- */
.article-date{font-size:13px;color:var(--gold);font-family:var(--font-serif);letter-spacing:.1em;}
.article-body{margin-top:10px;}
.related-box{margin-top:38px;border-top:1px solid var(--line-strong);padding-top:24px;}
.related-box h3{font-family:var(--font-serif);font-size:18px;font-weight:700;margin-bottom:14px;}
.related-box .svc-row{padding:16px 4px;}

/* ---------- 404 ---------- */
.err-page{min-height:62vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 20px;}
.err-code{font-family:var(--font-serif);font-size:80px;font-weight:700;color:var(--cin);line-height:1;}
.err-title{font-family:var(--font-serif);font-size:23px;font-weight:700;margin:16px 0 10px;}
.err-desc{color:var(--ink-2);margin-bottom:26px;}
.err-links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚（深墨 + 金） ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);border-top:1px solid var(--dark-line);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:56px 20px 42px;}
.footer-logo{font-family:var(--font-serif);font-size:26px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.06em;}
.footer-logo span{font-size:11px;font-weight:700;color:var(--dark);background:var(--gold);border-radius:2px;padding:2px 6px;vertical-align:3px;margin-left:4px;font-family:var(--font-sans);}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:16px;}
.footer-main-link{font-size:14.5px;font-weight:700;color:#E2C98F;word-break:break-all;font-family:var(--font-serif);}
.footer-main-link:hover{color:#fff;}
.footer-col h4{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--gold);margin-bottom:16px;letter-spacing:.08em;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#E2C98F;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.64);}
.footer-contact svg{color:var(--gold);flex-shrink:0;margin-top:4px;}
.footer-bottom{border-top:1px solid var(--dark-line);}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:18px 20px;font-size:12.5px;color:rgba(255,255,255,.42);letter-spacing:.04em;}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .site-nav{position:absolute;top:72px;left:0;right:0;background:var(--dark);border-bottom:1px solid var(--dark-line);flex-direction:column;align-items:stretch;padding:12px 20px 18px;gap:2px;display:none;}
  .site-nav.is-open{display:flex;}
  .nav-link{padding:13px 14px;border-radius:2px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:64px 20px 60px;}
  .hero h1{font-size:34px;}
  .hero-media{max-width:520px;}
  .local-grid{grid-template-columns:1fr;gap:34px;}
  .blocks-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .news-row{flex-wrap:wrap;gap:8px;}
  .news-date{width:auto;}
  .news-summary{flex:1 1 100%;}
  .layout{grid-template-columns:1fr;gap:36px;}
  .sidebar{position:static;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:560px){
  .section{padding:52px 0;}
  .sec-title{font-size:25px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:32px 26px;}
  .page-hero h1{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .svc-row{gap:16px;padding:18px 4px;}
  .block-card{padding:26px 22px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}