:root {
  --primary: #a34632;
  --primary-dark: #7a3425;
  --accent: #c8952f;
  --accent-text: #8a6420;
  --hero-bg: #2b1d17;
  --hero-text: #f7ede6;
  --body-bg: #faf8f5;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --muted: #64748b;
  --gray-light: #cbd5e1;
  --gray: #94a3b8;
  --border: #e2e8f0;
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
  --radius: 0;
  --container: 1200px;
  --section-pad: 80px;
  --easing: cubic-bezier(.25,.1,.25,1);
  --dur: 420ms;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Serif SC","Source Han Serif CN",serif;background:var(--body-bg);color:var(--text-main);line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit}
.zk-skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;z-index:9999}
.zk-skip:focus{left:12px;top:12px;width:auto;height:auto;padding:.5rem .75rem;background:#111;color:#fff;border-radius:4px;text-decoration:none}
/* topbar */
.zk-topbar{background:var(--hero-bg);color:var(--hero-text);font-size:.85rem}
.zk-topbar-inner{max-width:var(--container);margin:0 auto;display:flex;justify-content:space-between;padding:.4rem 1rem}
.zk-topbar-tel{display:inline-flex;align-items:center;gap:.4rem;color:var(--hero-text)}
/* header & nav */
.zk-header{position:sticky;top:0;z-index:999;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow var(--dur) var(--easing)}
.zk-header.scrolled{box-shadow:var(--shadow)}
.zk-header-inner{max-width:var(--container);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem}
.zk-logo{display:flex;align-items:center;gap:.6rem;color:#111}
.zk-logo-text{font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.zk-burger{display:none;background:none;border:0;width:32px;height:24px;position:relative}
.zk-burger span{display:block;width:100%;height:2px;background:#111;position:absolute;left:0;transition:top var(--dur),transform var(--dur)}
.zk-burger span:nth-child(1){top:0}
.zk-burger span:nth-child(2){top:11px}
.zk-burger span:nth-child(3){top:22px}
.zk-nav{display:flex;gap:1.4rem;align-items:center}
.zk-nav-link{font-size:.95rem;color:#334155;padding:.4rem 0;position:relative}
.zk-nav-link.is-active{color:var(--primary);font-weight:600}
.zk-nav-link.is-active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary)}
.zk-nav-item{position:relative}
.zk-drop{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);min-width:180px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:all var(--dur) var(--easing);padding:.4rem 0;z-index:99}
.zk-nav-item:hover .zk-drop,.zk-nav-item:focus-within .zk-drop{opacity:1;visibility:visible;transform:translateY(0)}
.zk-drop a{display:block;padding:.45rem .9rem;color:#334155}
.zk-drop a:hover{background:#f1f5f9;color:var(--primary)}
.zk-caret{vertical-align:middle;margin-left:.25rem}
.zk-nav-cta{background:var(--primary);color:#fff;padding:.55rem .95rem;border-radius:var(--radius);font-weight:600;font-size:.9rem;transition:filter var(--dur)}
.zk-nav-cta:hover{filter:brightness(1.08);text-decoration:none}
/* hero */
.zk-hero{background:linear-gradient(180deg,var(--hero-bg) 0%,#3a241c 100%);color:var(--hero-text);padding:clamp(60px,8vw,100px) 1rem}
.zk-hero-inner{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,4vw,56px);align-items:center}
.zk-hero h1{font-size:clamp(1.8rem,3.2vw,2.6rem);margin:0 0 .6rem;line-height:1.2}
.zk-hero-sub{font-size:clamp(1rem,1.6vw,1.2rem);opacity:.9;max-width:48ch}
.zk-hero-chart{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.2rem;position:relative;overflow:hidden}
.zk-chart-bars{display:flex;align-items:flex-end;gap:12px;height:140px}
.zk-bar{flex:1;background:linear-gradient(180deg,var(--accent),var(--accent-text));width:18px;border-radius:2px 2px 0 0;transform-origin:bottom;transform:scaleY(0);transition:transform calc(var(--dur)*1.4) var(--easing)}
.zk-bar.v{transform:scaleY(1)}
.zk-chart-labels{display:flex;justify-content:space-between;margin-top:.6rem;font-size:.8rem;opacity:.8}
/* trust strip */
.zk-trust{background:#fff;padding:calc(var(--section-pad)*.7) 1rem;border-bottom:1px solid var(--border)}
.zk-trust-inner{max-width:var(--container);margin:0 auto}
.zk-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.zk-stat{padding:1rem;border:1px solid var(--border);text-align:center;position:relative;background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h40v40H10z' fill='none' stroke='%23f0ebe6' stroke-width='1'/%3E%3Cpath d='M10 30h40M30 10v40' stroke='%23f0ebe6' stroke-width='1'/%3E%3C/svg%3E")}
.zk-stat-num{font-size:1.8rem;font-weight:700;color:var(--primary);display:block}
.zk-stat-label{font-size:.95rem;color:#334155;display:block}
.zk-stat-desc{font-size:.8rem;color:var(--muted)}
/* business cards */
.zk-biz{padding:var(--section-pad) 1rem;background:#fff}
.zk-biz-inner{max-width:var(--container);margin:0 auto}
.zk-section-title{text-align:left;margin-bottom:2.2rem}
.zk-section-title h2{font-size:clamp(1.5rem,2.4vw,2rem);margin:0 0 .4rem;color:#111}
.zk-section-title p{margin:0;color:var(--muted);max-width:55ch}
.zk-biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.zk-biz-card{border:1px solid var(--border);padding:1.2rem;transition:box-shadow var(--dur),transform var(--dur)}
.zk-biz-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-3px)}
.zk-biz-icon{width:40px;height:40px;color:var(--primary);margin-bottom:.8rem}
.zk-biz-card h3{font-size:1.05rem;margin:0 0 .5rem}
.zk-biz-card p{font-size:.92rem;color:var(--muted);margin:0 0 .8rem}
.zk-biz-sub{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}
.zk-biz-sub li{font-size:.78rem;background:#f8f4ef;padding:.2rem .5rem;border-radius:0;border:1px solid var(--border)}
.zk-biz-sub a{color:var(--accent-text)}
/* process */
.zk-process{padding:var(--section-pad) 1rem;background:var(--body-bg)}
.zk-process-inner{max-width:var(--container);margin:0 auto}
.zk-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;position:relative}
.zk-step{background:#fff;border:1px solid var(--border);padding:1.1rem;text-align:center;transition:transform var(--dur)}
.zk-step:hover{transform:translateY(-2px)}
.zk-step-n{font-size:1.6rem;font-weight:700;color:var(--primary);display:block;margin-bottom:.4rem}
.zk-step h4{margin:0 0 .4rem;font-size:1rem}
.zk-step p{margin:0;font-size:.9rem;color:var(--muted)}
.zk-line{position:absolute;left:0;right:0;top:42px;height:2px;background:repeating-linear-gradient(90deg,var(--primary) 0 10px,transparent 10px 20px);opacity:.25}
/* cases */
.zk-cases{padding:var(--section-pad) 1rem;background:#fff}
.zk-cases-inner{max-width:var(--container);margin:0 auto}
.zk-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.zk-case-card{border:1px solid var(--border);overflow:hidden;transition:box-shadow var(--dur)}
.zk-case-card:hover{box-shadow:0 10px 28px rgba(0,0,0,.08)}
.zk-case-cover{height:160px;background:linear-gradient(135deg,#f5efe9,#ede4dc);display:grid;place-items:center}
.zk-case-cover svg{width:56px;height:56px;opacity:.5}
.zk-case-body{padding:1rem}
.zk-case-card h3{font-size:1rem;margin:0 0 .4rem}
.zk-case-meta{font-size:.8rem;color:var(--muted)}
/* news */
.zk-news{padding:var(--section-pad) 1rem;background:var(--body-bg)}
.zk-news-inner{max-width:var(--container);margin:0 auto}
.zk-news-list{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.zk-news-item{display:flex;align-items:flex-start;gap:.6rem;padding:.6rem;border:1px solid var(--border);background:#fff}
.zk-news-item a{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.95rem;color:#111}
/* CTA */
.zk-cta{background:var(--hero-bg);color:var(--hero-text);padding:calc(var(--section-pad)*.9) 1rem;text-align:center}
.zk-cta-inner{max-width:var(--container);margin:0 auto}
.zk-cta h2{font-size:clamp(1.4rem,2.2vw,1.8rem);margin:0 0 .8rem}
.zk-cta p{margin:0 0 1.2rem;opacity:.9}
.zk-btn{display:inline-block;background:var(--accent);color:#111;font-weight:700;padding:.7rem 1.4rem;border-radius:var(--radius);transition:filter var(--dur)}
.zk-btn:hover{filter:brightness(1.1);text-decoration:none}
.zk-btn-ghost{background:transparent;border:1px solid var(--hero-text);color:var(--hero-text)}
/* footer */
.zk-footer{background:#1a1210;color:#e7dfd9;padding:0 1rem;position:relative}
.zk-footer-edge{position:absolute;top:-60px;left:0;width:100%;height:60px;color:#1a1210}
.zk-footer-body{max-width:var(--container);margin:0 auto;padding:60px 0 28px}
.zk-footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:2rem}
.zk-footer-logo{display:flex;align-items:center;gap:.6rem;margin-bottom:.6rem}
.zk-footer-word{color:#cfc6bf;font-size:.92rem;margin:.4rem 0}
.zk-footer-contact a{display:block;color:#e7dfd9;margin:.2rem 0}
.zk-footer-col h4{margin:0 0 .7rem;font-size:.95rem;color:#fff}
.zk-footer-col a{display:block;color:#cfc6bf;margin:.35rem 0;font-size:.92rem}
.zk-footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:.9rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
.zk-copy{margin:0;font-size:.85rem;color:#bfb6af}
.zk-beian{display:flex;gap:.8rem}
.zk-beian a{color:#bfb6af;font-size:.85rem}
/* floating service */
.zfkf{position:fixed;right:16px;bottom:80px;z-index:9999}
.zfkf-btns{display:flex;flex-direction:column;gap:10px}
.zfkf-btn{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);display:grid;place-items:center;color:#111;cursor:pointer}
.zfkf-btn:hover{background:#f8f4ef}
.zfkf-panel[hidden]{display:none}
.zfkf-mask{position:fixed;inset:0;background:rgba(0,0,0,.5)}
.zfkf-dialog{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;padding:1.2rem;border-radius:8px;max-width:260px;text-align:center}
.zfkf-dialog h5{margin:0 0 .8rem}
.zfkf-nocode{color:var(--muted)}
.zfkf-dialog-close{position:absolute;right:8px;top:8px;background:none;border:0;font-size:1.2rem;cursor:pointer}
/* responsive */
@media (max-width: 980px){
  .zk-hero-inner,.zk-biz-grid,.zk-trust-grid,.zk-steps,.zk-case-grid,.zk-footer-grid{grid-template-columns:1fr}
  .zk-news-list{grid-template-columns:1fr}
  .zk-line{display:none}
  .zk-burger{display:block}
  .zk-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid var(--border);flex-direction:column;align-items:stretch;padding:.6rem 1rem;display:none}
  .zk-nav.open{display:flex}
  .zk-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding-left:1rem}
}
/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
.no-js .zk-chart-bars .zk-bar{transform:scaleY(1)}
.no-js .zk-nav{display:flex}
.no-js .zk-burger{display:none}

/* ===== 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}}