/* ============================================================
   kv-theme 主样式 · 凯文红设计令牌
   配色比例：60% 白/暖白 + 30% 红系 + 10% 金/亮红（03 §三）
   ============================================================ */
:root{
  --kv-red:#B80000;
  --kv-red-deep:#8A0000;
  --kv-red-bright:#E02020;
  --kv-ink:#1A1A1A;
  --kv-gray:#686868;
  --kv-bg-light:#FAF7F5;
  --kv-gold:#C9A063;
  --kv-white:#FFFFFF;
  --kv-line:#EBE3DC;
  --kv-grad:linear-gradient(135deg,#8A0000,#B80000);
  --kv-grad-hover:linear-gradient(135deg,#B80000,#E02020);
  --kv-font-title:"Source Han Sans SC","思源黑体","Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --kv-font-body:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --kv-font-num:"DIN Alternate","Inter","Segoe UI",Roboto,Arial,sans-serif;
  --kv-shadow-sm:0 3px 12px rgba(138,0,0,.08);
  --kv-shadow:0 10px 34px rgba(26,26,26,.10);
  --kv-radius:10px;
  --kv-radius-lg:18px;
  --kv-container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--kv-font-body);font-size:15px;line-height:1.75;color:var(--kv-ink);background:var(--kv-white);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-family:var(--kv-font-title);line-height:1.35;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
a{color:var(--kv-red);text-decoration:none;transition:color .2s}
a:hover{color:var(--kv-red-bright)}
ul,ol{margin:0;padding:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--kv-red);color:#fff;padding:8px 16px;z-index:9999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.kv-container{max-width:var(--kv-container);margin:0 auto;padding:0 20px}
.kv-main{display:block}

/* ---------- 按钮 ---------- */
.kv-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--kv-grad);color:#fff;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.4px;border:0;cursor:pointer;box-shadow:var(--kv-shadow-sm);transition:all .25s}
.kv-btn:hover{background:var(--kv-grad-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--kv-shadow)}
.kv-btn-sm{padding:8px 20px;font-size:13px}
.kv-btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75);box-shadow:none}
.kv-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:none;box-shadow:none}
.kv-btn-line{background:transparent;color:var(--kv-red);border:1.5px solid var(--kv-red);box-shadow:none}
.kv-btn-line:hover{background:var(--kv-red);color:#fff;transform:none}
.kv-btn-gold{background:linear-gradient(135deg,#b08d4f,#C9A063);color:#fff}
.kv-btn-gold:hover{background:linear-gradient(135deg,#C9A063,#d9b87f);color:#fff}

/* ---------- 顶栏 ---------- */
.kv-topbar{background:#5E0000;color:rgba(255,255,255,.85);font-size:13px}
.kv-topbar-in{display:flex;align-items:center;justify-content:space-between;min-height:36px}
.kv-topbar-slogan{letter-spacing:.5px}
.kv-topbar-contact{display:flex;gap:22px}
.kv-topbar-item{opacity:.92}
@media(max-width:900px){.kv-topbar-slogan{display:none}.kv-topbar-in{justify-content:center}}

/* ---------- 主头部 ---------- */
.kv-header{position:sticky;top:0;z-index:900;background:#fff;transition:box-shadow .25s}
.kv-header.is-scrolled{box-shadow:0 4px 18px rgba(26,26,26,.08)}
.kv-header-in{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:16px}
.kv-brand{display:flex;align-items:center;flex:none}
.kv-brand-logo{height:46px;width:auto}
.kv-nav{display:flex;align-items:center}
.kv-menu{display:flex;list-style:none;gap:2px}
.kv-menu>li{position:relative}
.kv-menu>li>a{display:block;padding:10px 16px;color:var(--kv-ink);font-size:15px;font-weight:500;position:relative}
.kv-menu>li>a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--kv-grad);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.kv-menu>li>a:hover,.kv-menu>li.current-menu-item>a,.kv-menu>li.current_page_item>a,.kv-menu>li.current-menu-ancestor>a{color:var(--kv-red)}
.kv-menu>li>a:hover::after,.kv-menu>li.current-menu-item>a::after,.kv-menu>li.current_page_item>a::after{transform:scaleX(1)}
.kv-menu li ul{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border-radius:10px;box-shadow:var(--kv-shadow);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;z-index:990}
.kv-menu li:hover>ul,.kv-menu li:focus-within>ul{opacity:1;visibility:visible;transform:none}
.kv-menu li ul li{list-style:none}
.kv-menu li ul a{display:block;padding:9px 20px;color:var(--kv-ink);font-size:14px}
.kv-menu li ul a:hover{color:var(--kv-red);background:#fdf6f4}
.kv-header-cta{flex:none}
.kv-nav-toggle{display:none;flex:none;width:44px;height:44px;border:1px solid var(--kv-line);background:#fff;border-radius:8px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.kv-nav-toggle span{display:block;width:20px;height:2px;background:var(--kv-ink);border-radius:2px;transition:.25s}
.kv-nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.kv-nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.kv-nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1080px){
  .kv-header-cta{display:none}
  .kv-nav-toggle{display:flex}
  .kv-nav{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;box-shadow:-12px 0 40px rgba(26,26,26,.16);transform:translateX(105%);transition:transform .3s;z-index:980;overflow-y:auto;padding:70px 12px 30px;display:block}
  .kv-nav.is-open{transform:none}
  .kv-menu{flex-direction:column;gap:0}
  .kv-menu>li>a{padding:13px 14px;font-size:16px;border-bottom:1px solid #f6f0ec}
  .kv-menu>li>a::after{display:none}
  .kv-menu li ul{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 6px;border-radius:0;display:none}
  .kv-menu li.open>ul{display:block}
  .kv-menu li ul a{padding:10px 26px;border-bottom:1px dashed #f0e7e1}
  .kv-nav-close{position:absolute;top:14px;right:14px}
}

/* ---------- 通用节区 ---------- */
.kv-section{padding:88px 0}
.kv-section-alt{background:var(--kv-bg-light)}
.kv-section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.kv-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--kv-red);font-size:13px;font-weight:600;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px}
.kv-eyebrow::before,.kv-eyebrow::after{content:"";width:26px;height:1px;background:var(--kv-gold)}
.kv-title{font-size:clamp(26px,3.2vw,38px);color:var(--kv-ink);margin-bottom:14px}
.kv-title em{font-style:normal;color:var(--kv-red)}
.kv-lead{color:var(--kv-gray);font-size:16px}
.kv-more{display:inline-flex;align-items:center;gap:6px;margin-top:30px;font-weight:600}
.kv-more::after{content:"→";transition:transform .2s}
.kv-more:hover::after{transform:translateX(4px)}
.kv-reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.kv-reveal.is-in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.kv-hero{background:var(--kv-grad);color:#fff;position:relative;overflow:hidden}
.kv-hero::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-180px;top:-220px;background:radial-gradient(circle,rgba(201,160,99,.28),transparent 65%)}
.kv-hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;left:-160px;bottom:-240px;background:radial-gradient(circle,rgba(224,32,32,.35),transparent 62%)}
.kv-hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:92px 0 100px}
.kv-hero-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;padding:6px 16px;border-radius:999px;margin-bottom:22px;letter-spacing:1px}
.kv-hero-chip i{width:6px;height:6px;border-radius:50%;background:var(--kv-gold)}
.kv-hero h1{font-size:clamp(30px,4vw,52px);font-weight:800;color:#fff;letter-spacing:1px;margin-bottom:18px;line-height:1.28}
.kv-hero-sub{font-size:clamp(16px,1.6vw,20px);color:rgba(255,255,255,.92);max-width:560px;margin-bottom:10px}
.kv-hero-note{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:30px}
.kv-hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.kv-hero-trust{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.2);padding-top:20px}
.kv-hero-trust b{display:block;font-family:var(--kv-font-num);font-size:26px;color:#fff}
.kv-hero-trust span{font-size:13px;color:rgba(255,255,255,.78)}
/* Hero 右侧能力卡 */
.kv-hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(6px);border-radius:var(--kv-radius-lg);padding:34px 30px;box-shadow:0 24px 60px rgba(60,0,0,.28)}
.kv-hero-card h3{color:#fff;font-size:17px;margin-bottom:6px}
.kv-hero-card .kv-hc-sub{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px}
.kv-chain{list-style:none}
.kv-chain li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.kv-chain li:last-child{border-bottom:0}
.kv-chain .n{font-family:var(--kv-font-num);color:var(--kv-gold);font-size:14px;font-weight:700;line-height:1.9;flex:none;width:26px}
.kv-chain .t b{display:block;color:#fff;font-size:14.5px;font-weight:600}
.kv-chain .t span{font-size:12.5px;color:rgba(255,255,255,.72)}

/* ---------- 数字速览 ---------- */
.kv-stats{border-top:3px solid var(--kv-grad);}
.kv-stats-in{display:grid;grid-template-columns:repeat(4,1fr);padding:36px 0}
.kv-stat{text-align:center;padding:10px;position:relative}
.kv-stat+.kv-stat::before{content:"";position:absolute;left:0;top:16%;height:68%;width:1px;background:var(--kv-line)}
.kv-stat b{display:block;font-family:var(--kv-font-num);font-size:clamp(30px,4vw,46px);font-weight:700;color:var(--kv-red);line-height:1.1}
.kv-stat b i{font-style:normal;font-size:.6em;color:var(--kv-red-deep);font-weight:500}
.kv-stat span{font-size:14px;color:var(--kv-gray)}
@media(max-width:820px){.kv-stats-in{grid-template-columns:1fr 1fr}.kv-stat:nth-child(3)::before{display:none}.kv-stat{padding:14px}}

/* ---------- 客户墙 ---------- */
.kv-wall{background:#fff;overflow:hidden}
.kv-wall .kv-section-head{margin-bottom:26px}
.kv-marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.kv-marquee-track{display:flex;align-items:center;gap:0;width:max-content;animation:kvScroll 36s linear infinite}
.kv-marquee:hover .kv-marquee-track{animation-play-state:paused}
.kv-marquee-group{display:flex;align-items:center;flex:none}
.kv-marquee-group span{flex:none;padding:14px 34px;font-size:17px;font-family:var(--kv-font-title);color:#8b8b8b;letter-spacing:2px;white-space:nowrap;border-right:1px solid var(--kv-line)}
.kv-marquee-group span b{color:var(--kv-red);font-weight:700}
@keyframes kvScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 关于 ---------- */
.kv-about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.kv-about-copy .kv-title{font-size:clamp(24px,2.8vw,34px)}
.kv-about-copy p{color:var(--kv-gray)}
.kv-entity-chips{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 8px}
.kv-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--kv-line);border-left:3px solid var(--kv-red);padding:8px 14px;border-radius:8px;font-size:13px;color:var(--kv-ink)}
.kv-chip b{color:var(--kv-red);font-weight:600}
.kv-about-card{background:var(--kv-grad);color:#fff;border-radius:var(--kv-radius-lg);padding:36px 32px;position:relative;overflow:hidden;box-shadow:var(--kv-shadow)}
.kv-about-card::before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(201,160,99,.2)}
.kv-about-card h3{color:#fff;font-size:20px;margin-bottom:22px;position:relative}
.kv-timeline{list-style:none;position:relative;margin-left:6px}
.kv-timeline li{position:relative;padding:0 0 20px 30px;border-left:1px solid rgba(255,255,255,.3)}
.kv-timeline li:last-child{padding-bottom:0}
.kv-timeline li::before{content:"";position:absolute;left:-5px;top:5px;width:9px;height:9px;border-radius:50%;background:var(--kv-gold)}
.kv-timeline b{font-family:var(--kv-font-num);color:var(--kv-gold);font-size:14px;margin-right:8px}
.kv-timeline span{font-size:14px;color:rgba(255,255,255,.92)}

/* ---------- 服务卡片 ---------- */
.kv-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kv-card{background:#fff;border:1px solid var(--kv-line);border-top:3px solid transparent;border-radius:var(--kv-radius);padding:28px 26px;box-shadow:var(--kv-shadow-sm);transition:all .28s;position:relative}
.kv-card:hover{transform:translateY(-6px);border-top-color:var(--kv-red);box-shadow:var(--kv-shadow)}
.kv-card-icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#fdeeea,#fdf6f4);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--kv-red)}
.kv-card-icon svg{width:28px;height:28px}
.kv-card h3{font-size:18px;margin-bottom:8px}
.kv-card .kv-card-tag{font-size:12px;color:var(--kv-gold);letter-spacing:1px;margin-bottom:8px;display:block}
.kv-card p{font-size:14px;color:var(--kv-gray);margin-bottom:14px}
.kv-card ul{list-style:none;margin-bottom:6px}
.kv-card li{font-size:13.5px;color:#4d4d4d;padding:4px 0 4px 18px;position:relative}
.kv-card li::before{content:"▸";position:absolute;left:0;color:var(--kv-red-bright);font-size:12px;top:5px}
.kv-card .kv-card-link{font-size:14px;font-weight:600}
@media(max-width:1024px){.kv-cards-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.kv-cards-grid{grid-template-columns:1fr}}

/* ---------- 产品卡 ---------- */
.kv-products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kv-product{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);overflow:hidden;transition:all .28s;display:flex;flex-direction:column}
.kv-product:hover{transform:translateY(-6px);box-shadow:var(--kv-shadow)}
.kv-product-head{padding:24px 22px 0}
.kv-product-icon{width:44px;height:44px;border-radius:12px;background:var(--kv-grad);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:14px}
.kv-product-icon svg{width:24px;height:24px}
.kv-product h3{font-size:17px;margin-bottom:6px}
.kv-product .kv-p-sub{font-size:12px;color:var(--kv-red);font-weight:600;letter-spacing:.5px;margin-bottom:8px}
.kv-product-body{padding:6px 22px;flex:1}
.kv-product ul{list-style:none;margin-bottom:6px}
.kv-product li{font-size:13px;color:#555;padding:3px 0 3px 16px;position:relative}
.kv-product li::before{content:"✓";position:absolute;left:0;color:var(--kv-gold);font-weight:700}
.kv-product-foot{padding:16px 22px 22px;display:flex;gap:16px;align-items:center;border-top:1px dashed var(--kv-line);margin-top:12px}
@media(max-width:1080px){.kv-products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.kv-products-grid{grid-template-columns:1fr}}

/* ---------- 案例卡 ---------- */
.kv-cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kv-case{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);padding:26px;display:flex;flex-direction:column;gap:10px;transition:all .28s}
.kv-case:hover{transform:translateY(-5px);box-shadow:var(--kv-shadow);border-color:#e3c3bb}
.kv-case .kv-case-cat{display:inline-block;font-size:12px;color:var(--kv-red);background:#fdf0ec;border-radius:999px;padding:3px 12px;align-self:flex-start;letter-spacing:.5px}
.kv-case h3{font-size:17px;margin:0}
.kv-case p{font-size:13.5px;color:var(--kv-gray);flex:1;margin:0}
.kv-case .kv-case-meta{font-size:12.5px;color:#999;display:flex;flex-wrap:wrap;gap:10px;border-top:1px dashed var(--kv-line);padding-top:12px}
@media(max-width:1024px){.kv-cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.kv-cases-grid{grid-template-columns:1fr}}

/* ---------- 新闻 ---------- */
.kv-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kv-news{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);padding:24px;display:flex;flex-direction:column;gap:12px;transition:all .25s}
.kv-news:hover{box-shadow:var(--kv-shadow);transform:translateY(-4px)}
.kv-news .kv-news-date{font-family:var(--kv-font-num);font-size:12.5px;color:var(--kv-red);letter-spacing:.5px}
.kv-news h3{font-size:16.5px;margin:0;line-height:1.5}
.kv-news h3 a{color:var(--kv-ink)}
.kv-news h3 a:hover{color:var(--kv-red)}
.kv-news p{font-size:13.5px;color:var(--kv-gray);flex:1;margin:0}
.kv-news .kv-more{font-size:14px;font-weight:600}
@media(max-width:1024px){.kv-news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.kv-news-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.kv-faq{max-width:860px;margin:0 auto}
.kv-faq details{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s}
.kv-faq details[open]{box-shadow:var(--kv-shadow-sm);border-color:#e6c9c1}
.kv-faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.kv-faq summary::-webkit-details-marker{display:none}
.kv-faq summary::after{content:"+";font-size:22px;color:var(--kv-red);font-weight:400;transition:transform .25s;flex:none;line-height:1}
.kv-faq details[open] summary::after{transform:rotate(45deg)}
.kv-faq details p{padding:0 22px 18px;color:var(--kv-gray);font-size:14.5px;margin:0}
.kv-faq details .kv-faq-q{color:var(--kv-red);margin-right:6px}

/* ---------- CTA 带 ---------- */
.kv-cta{background:var(--kv-grad);position:relative;overflow:hidden;color:#fff}
.kv-cta::before{content:"";position:absolute;left:50%;top:-80%;width:900px;height:900px;border-radius:50%;background:radial-gradient(circle,rgba(201,160,99,.22),transparent 60%);transform:translateX(-50%)}
.kv-cta-in{position:relative;text-align:center;padding:74px 0}
.kv-cta h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.kv-cta p{color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 30px}
.kv-cta .kv-hero-cta{justify-content:center;margin:0}

/* ---------- 联系区 ---------- */
.kv-contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:34px}
.kv-cinfo{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);padding:26px;text-align:center;transition:all .25s}
.kv-cinfo:hover{transform:translateY(-4px);box-shadow:var(--kv-shadow)}
.kv-cinfo .kv-cinfo-ic{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,#fdeeea,#fdf6f4);display:flex;align-items:center;justify-content:center;color:var(--kv-red);font-size:22px}
.kv-cinfo h3{font-size:15px;color:var(--kv-gray);font-weight:500;margin-bottom:6px}
.kv-cinfo b{font-family:var(--kv-font-num);font-size:21px;color:var(--kv-ink);letter-spacing:.5px}
.kv-cinfo p{font-size:13.5px;color:var(--kv-gray);margin:6px 0 0}
@media(max-width:900px){.kv-contact-grid{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.kv-footer{background:linear-gradient(160deg,#5E0000,#8A0000 70%);color:rgba(255,255,255,.78);margin-top:0}
.kv-footer a{color:rgba(255,255,255,.8)}
.kv-footer a:hover{color:#fff;text-decoration:underline}
.kv-footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1fr 1.05fr;gap:40px;padding:64px 0 44px}
.kv-footer-brand{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.kv-footer-brand-cn{font-family:var(--kv-font-title);font-size:26px;font-weight:800;color:#fff;letter-spacing:2px}
.kv-footer-brand-en{font-family:var(--kv-font-num);font-size:12px;color:var(--kv-gold);letter-spacing:3px}
.kv-footer-slogan{color:rgba(255,255,255,.95);font-weight:600;line-height:1.6;margin-bottom:12px}
.kv-footer-desc{font-size:13.5px;color:rgba(255,255,255,.66);max-width:340px}
.kv-fcol-title{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.kv-fcol-title::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--kv-gold)}
.kv-footer-menu{list-style:none}
.kv-footer-menu li{margin-bottom:9px}
.kv-footer-menu a{font-size:14px;color:rgba(255,255,255,.78)}
.kv-footer-menu a:hover{color:#fff;padding-left:4px;text-decoration:none}
.kv-footer-contact{list-style:none}
.kv-footer-contact li{margin-bottom:10px;font-size:14px;display:flex;gap:10px}
.kv-fc-label{color:var(--kv-gold);flex:none}
.kv-footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:1024px){.kv-footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.kv-footer-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- 内页通用 ---------- */
.kv-page-hero{background:var(--kv-grad);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.kv-page-hero::after{content:"";position:absolute;right:-120px;top:-140px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(201,160,99,.25),transparent 62%)}
.kv-page-hero .kv-container{position:relative;z-index:2}
.kv-page-hero h1{color:#fff;font-size:clamp(26px,3.4vw,40px);margin-bottom:10px}
.kv-page-hero p{color:rgba(255,255,255,.85);max-width:720px;margin:0;font-size:15px}
.kv-breadcrumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:14px}
.kv-breadcrumb a{color:rgba(255,255,255,.85)}
.kv-entry{max-width:900px}
.kv-entry h2{font-size:24px;margin-top:34px}
.kv-entry h3{font-size:19px}
.kv-entry ul,.kv-entry ol{padding-left:22px;margin-bottom:1em}
.kv-entry li{margin-bottom:6px}
.kv-entry blockquote{border-left:4px solid var(--kv-red);background:var(--kv-bg-light);padding:14px 20px;margin:18px 0;color:#555;border-radius:0 8px 8px 0}
.kv-entry img{border-radius:10px}

/* 新闻列表/归档页 */
.kv-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:0 0 30px}
.kv-post-card{background:#fff;border:1px solid var(--kv-line);border-radius:var(--kv-radius);padding:24px;transition:all .25s}
.kv-post-card:hover{box-shadow:var(--kv-shadow);transform:translateY(-4px)}
.kv-post-card .kv-news-date{font-family:var(--kv-font-num);color:var(--kv-red);font-size:12.5px}
.kv-post-card h3{font-size:17px;margin:8px 0 10px}
.kv-post-card h3 a{color:var(--kv-ink)}
.kv-post-card p{font-size:13.5px;color:var(--kv-gray);margin:0}
.kv-pagination{display:flex;gap:8px;justify-content:center;padding:10px 0 40px}
.kv-pagination .page-numbers{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--kv-line);border-radius:8px;color:var(--kv-ink);font-size:14px;padding:0 10px}
.kv-pagination .page-numbers.current{background:var(--kv-red);border-color:var(--kv-red);color:#fff}
@media(max-width:1024px){.kv-list-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.kv-list-grid{grid-template-columns:1fr}}

/* 404 */
.kv-404{text-align:center;padding:90px 20px}
.kv-404 b{font-family:var(--kv-font-num);font-size:110px;line-height:1;background:var(--kv-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kv-404 h1{font-size:26px;margin:16px 0}
.kv-404 p{color:var(--kv-gray)}

/* 移动端子菜单指示箭头 */
@media(max-width:1080px){
  .kv-menu li.has-sub > a{position:relative}
  .kv-menu li.has-sub > a::after{display:block;content:"▾";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--kv-red);font-size:12px;transition:transform .25s}
  .kv-menu li.has-sub.open > a::after{transform:translateY(-50%) rotate(180deg)}
}

/* ============ 内页模板补充样式 ============ */
.kv-subject-bar{background:var(--kv-bg-light);border-left:4px solid var(--kv-red);border-radius:0 10px 10px 0;padding:12px 20px;font-size:14px;color:#4a4a4a;margin-bottom:30px}
.kv-svc-split{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:46px;align-items:start}
@media(max-width:980px){.kv-svc-split{grid-template-columns:1fr;gap:26px}}
.kv-check-list{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 34px;margin:18px 0}
.kv-check-list li{padding:9px 0 9px 26px;position:relative;color:#3c3c3c;font-size:14.5px;border-bottom:1px dashed #f1e8e2}
.kv-check-list li::before{content:"✓";position:absolute;left:0;top:9px;color:var(--kv-red-bright);font-weight:700}
@media(max-width:640px){.kv-check-list{grid-template-columns:1fr}}
.kv-case-list{list-style:none;margin:16px 0}
.kv-case-list li{position:relative;padding:10px 0 10px 24px;border-bottom:1px dashed var(--kv-line);color:#3c3c3c;font-size:14.5px}
.kv-case-list li::before{content:"";position:absolute;left:2px;top:18px;width:9px;height:9px;border-radius:50%;background:var(--kv-gold)}
.kv-note-box{border:1px dashed #d9b97c;background:#fdf8ef;border-radius:10px;padding:14px 18px;font-size:13px;line-height:1.75;color:#8a6d3b}
.kv-faq summary b{font-family:var(--kv-font-num);color:var(--kv-red);font-weight:700}
.kv-svc-side{position:sticky;top:100px}
.kv-svc-side .kv-cinfo{text-align:left}
/* 架构图 */
.kv-arch{max-width:1120px;margin:0 auto}
.kv-arch-platform{background:var(--kv-grad);border-radius:14px;color:#fff;text-align:center;padding:26px 20px;box-shadow:var(--kv-shadow)}
.kv-arch-platform h3{color:#fff;margin:0 0 4px;font-size:22px}
.kv-arch-platform p{margin:0;color:rgba(255,255,255,.85);font-size:14px}
.kv-arch-arrow{text-align:center;color:var(--kv-red);font-size:16px;padding:6px 0 16px;opacity:.7}
.kv-arch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kv-arch-node{background:#fff;border:1px solid var(--kv-line);border-top:3px solid var(--kv-red);border-radius:12px;padding:24px 18px 18px;position:relative;transition:all .25s}
.kv-arch-node:hover{transform:translateY(-4px);box-shadow:var(--kv-shadow)}
.kv-arch-tag{position:absolute;top:-12px;left:16px;background:var(--kv-grad);color:#fff;font-size:11px;padding:3px 12px;border-radius:999px;letter-spacing:1px}
.kv-arch-node h4{font-size:15.5px;margin:4px 0 6px;line-height:1.4}
.kv-arch-sub{font-size:12.5px;color:var(--kv-red);font-weight:600;margin-bottom:8px}
.kv-arch-desc{font-size:13px;color:var(--kv-gray);margin:0}
@media(max-width:1080px){.kv-arch-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.kv-arch-grid{grid-template-columns:1fr}}

/* ---------- 询盘/演示表单 ---------- */
.kv-form-wrap{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--kv-line);border-radius:16px;padding:32px 30px;box-shadow:var(--kv-shadow-sm)}
.kv-form-msg{border-radius:10px;padding:12px 18px;margin-bottom:18px;font-size:14.5px}
.kv-form-msg.ok{background:#eef8ee;color:#2e7d32;border:1px solid #cde8cd}
.kv-form-msg.err{background:#fdeeee;color:#b71c1c;border:1px solid #f0caca}
.kv-form-note{color:var(--kv-gray);font-size:14px;margin:0 0 20px;padding:12px 16px;background:var(--kv-bg-light);border-radius:10px}
.kv-form .kv-hp{position:absolute;left:-9999px;opacity:0;height:0}
.kv-form .kv-frow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.kv-form .kv-fcell{display:flex;flex-direction:column;margin-bottom:16px}
.kv-form .kv-frow + .kv-fcell,.kv-form .kv-frow + .kv-frow .kv-fcell{margin-bottom:0}
.kv-form label{font-size:13.5px;color:#4a4a4a;margin-bottom:6px;font-weight:600}
.kv-form label i{color:var(--kv-red);font-style:normal}
.kv-form input[type="text"],.kv-form input[type="tel"],.kv-form input[type="email"],.kv-form select,.kv-form textarea{width:100%;border:1px solid #ddd5ce;border-radius:8px;padding:10px 14px;font-size:14.5px;font-family:inherit;color:var(--kv-ink);background:#fff;transition:border .2s}
.kv-form input:focus,.kv-form select:focus,.kv-form textarea:focus{outline:none;border-color:var(--kv-red)}
.kv-form textarea{resize:vertical}
.kv-form .kv-fsub{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.kv-form .kv-fsub .kv-btn{border:0;cursor:pointer}
.kv-fprivacy{font-size:12px;color:#999}
@media(max-width:640px){.kv-form .kv-frow{grid-template-columns:1fr;gap:0}.kv-form .kv-frow .kv-fcell{margin-bottom:16px}}

/* Hero 信任标签（文字版） */
.kv-ht-tag{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.88);font-size:14px}
.kv-ht-tag i{width:6px;height:6px;border-radius:50%;background:var(--kv-gold);flex:none}

/* ===== 顶部压紧修复（消除任何环境下 body 顶/顶栏的空隙） ===== */
html{margin:0;padding:0}
body{margin:0;padding:0;border:0}
.kv-topbar{display:block;line-height:34px;font-size:12.5px}
.kv-topbar-in{min-height:34px;max-height:34px}
.kv-topbar-in,.kv-topbar-slogan,.kv-topbar-contact,.kv-topbar-item{line-height:34px;margin:0;padding:0}
.kv-header-in{min-height:74px;max-height:74px}
.kv-brand-logo{height:44px;display:block}
.kv-main{display:block;margin:0;padding:0}
.kv-page-hero,.kv-hero,.kv-stats,.kv-wall,.kv-section,.kv-cta{margin-top:0}
.skip-link{top:auto}

/* 公众号二维码 */
.kv-qr{width:150px;height:150px;object-fit:cover;border-radius:12px;border:1px solid var(--kv-line);margin:12px auto 0;display:block;box-shadow:var(--kv-shadow-sm)}