/* ===== bz 子站主题 · 设计系统 ===== */
:root{
  --P-primary:#6D28D9; --P-grad:linear-gradient(135deg,#5B21B6,#8B5CF6); --P-accent:#A855F7;
  --P-heading:#1E1B2E; --P-ink:#312E4D; --P-muted:#6B7280;
  --P-bg:#FFFFFF; --P-alt:#F5F3FF; --P-line:#E9E5F5;
  --P-shadow:rgba(109,40,217,.10); --P-shadow-h:rgba(109,40,217,.18);
  --P-radius:18px; --P-radius-sm:12px; --P-radius-pill:999px;
  --P-bp1:960px; --P-bp2:640px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Arial,sans-serif;color:var(--P-ink);background:var(--P-bg);line-height:1.7;font-size:16px;}
img{max-width:100%;display:block;border:0;}
a{color:var(--P-primary);text-decoration:none;transition:color .2s ease,background .2s ease;}
a:hover{color:var(--P-accent);}
ul,ol{list-style:none;}
.P-wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.P-visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.P-noscroll{overflow:hidden;}
.P-main{display:block;}

/* 按钮 */
.P-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--P-radius-pill);font-size:15px;font-weight:600;line-height:1.2;border:2px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap;}
.P-btn:hover{transform:translateY(-2px);}
.P-btn--primary{background:var(--P-grad);color:#fff;box-shadow:0 10px 24px var(--P-shadow-h);}
.P-btn--primary:hover{color:#fff;}
.P-btn--light{background:#fff;color:var(--P-primary);box-shadow:0 10px 24px rgba(15,23,42,.16);}
.P-btn--ghost{border-color:rgba(255,255,255,.75);color:#fff;background:transparent;}
.P-btn--ghost:hover{color:#fff;background:rgba(255,255,255,.14);}
.P-btn--lg{padding:16px 40px;font-size:17px;}
.P-btn--outline{border-color:var(--P-primary);color:var(--P-primary);background:#fff;}
.P-btn--outline:hover{color:#fff;background:var(--P-grad);border-color:transparent;}

/* 顶栏 */
.P-util{background:var(--P-heading);color:#C7CBD1;font-size:13px;line-height:1.5;}
.P-util__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;min-height:38px;padding-top:5px;padding-bottom:5px;}
.P-util strong{color:#fff;font-weight:600;}
.P-util__phone{color:#fff;font-weight:600;letter-spacing:.5px;}

/* 顶部导航 */
.P-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--P-line);box-shadow:0 4px 20px rgba(15,23,42,.05);}
.P-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.P-brand{display:inline-flex;align-items:center;flex:0 0 auto;gap:14px;}
.P-brand__img{height:44px;width:auto;max-width:220px;object-fit:contain;}
.P-brand__text{font-size:22px;font-weight:800;letter-spacing:.5px;background:var(--P-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.P-brand__title{display:flex;flex-direction:column;line-height:1.2;border-left:1px solid var(--P-line);padding-left:14px;}
.P-brand__name{font-size:18px;font-weight:800;background:var(--P-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.P-brand__meta{font-size:12px;color:var(--P-muted);}
.P-brand__meta b{color:var(--P-primary);}
.P-nav{display:flex;gap:4px;margin-left:auto;}
.P-nav__link{position:relative;display:inline-block;padding:10px 15px;color:var(--P-ink);font-size:15px;font-weight:500;border-radius:var(--P-radius-sm);}
.P-nav__link:hover{color:var(--P-primary);background:var(--P-alt);}
.P-nav__link--on,.P-nav__link--on:hover{color:#fff;background:var(--P-grad);box-shadow:0 8px 18px var(--P-shadow-h);}
.P-header__cta{flex:0 0 auto;padding:10px 22px;font-size:15px;}
.P-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:var(--P-alt);border:0;border-radius:var(--P-radius-sm);cursor:pointer;flex:0 0 auto;}
.P-burger span{display:block;height:2px;width:20px;margin:0 auto;background:var(--P-ink);border-radius:2px;}

/* 移动抽屉 */
.P-drawer{position:fixed;inset:0;z-index:100;background:var(--P-grad);color:#fff;padding:22px 24px;transform:translateX(-100%);transition:transform .28s ease;display:flex;flex-direction:column;visibility:hidden;}
.P-drawer--open{transform:translateX(0);visibility:visible;}
.P-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.P-drawer .P-brand__text{background:none;-webkit-text-fill-color:#fff;color:#fff;}
.P-drawer__close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);color:#fff;font-size:24px;line-height:1;cursor:pointer;}
.P-drawer__nav{display:flex;flex-direction:column;gap:6px;}
.P-drawer__link{display:block;padding:14px 16px;border:1px solid rgba(255,255,255,.14);border-radius:var(--P-radius-sm);color:#fff;font-size:17px;font-weight:500;}
.P-drawer__link--on,.P-drawer__link--on:hover{background:rgba(255,255,255,.18);}
.P-drawer__tel{margin-top:auto;text-align:center;}

/* 区块通用 */
.P-sec{padding:64px 0;}
.P-sec--alt{background:var(--P-alt);}
.P-sec--band{background:var(--P-grad);color:#fff;}
.P-sec--band .P-sec__title{color:#fff;}
.P-sec--band .P-sec__eyebrow{color:rgba(255,255,255,.85);}
.P-sec--band .P-sec__lead{color:rgba(255,255,255,.88);}
.P-sec__inner{max-width:1160px;margin:0 auto;padding:0 24px;}
.P-sec__inner--center{text-align:center;}
.P-sec__head{max-width:780px;margin-bottom:40px;}
.P-sec__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.P-sec__eyebrow{display:inline-block;color:var(--P-primary);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.P-sec__title{font-size:30px;line-height:1.3;font-weight:800;color:var(--P-heading);margin-bottom:12px;}
.P-sec__lead{color:var(--P-muted);font-size:16px;}
.P-sec__cta{margin-top:30px;display:flex;flex-wrap:wrap;justify-content:center;gap:16px;}
.P-sec__phone{display:inline-block;margin-top:10px;font-size:34px;font-weight:800;color:#fff;letter-spacing:1px;}

/* 卡片 */
.P-card{background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);transition:transform .25s ease,box-shadow .25s ease;overflow:hidden;}
.P-card:hover{transform:translateY(-6px);box-shadow:var(--P-shadow-h);}

/* 地区标签 */
.P-region{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--P-primary);border-radius:var(--P-radius-pill);padding:2px 10px;margin-right:8px;vertical-align:middle;}

/* 公司简介折叠 */
.P-about__full{max-height:250px;overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(180deg,#000 78%,transparent);mask-image:linear-gradient(180deg,#000 78%,transparent);}
.P-about__full p{margin-bottom:12px;}
.P-about__full p:last-child{margin-bottom:0;}
.P-about__full h1,.P-about__full h2,.P-about__full h3,.P-about__full h4{font-size:17px;font-weight:700;color:var(--P-heading);margin:14px 0 8px;}
.P-about__full strong{color:var(--P-heading);}
.P-about__full img{display:none;}
.P-about__full--open{max-height:none;-webkit-mask-image:none;mask-image:none;}
.P-about__toggle{margin-top:12px;}
.P-about__btn{display:inline-flex;align-items:center;gap:2px;padding:4px 0;border:0;background:none;color:var(--P-primary);font-size:14px;font-weight:600;cursor:pointer;}
.P-about__arr{font-size:12px;}
.P-about{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.P-about__text p{margin-bottom:14px;color:var(--P-ink);}
.P-about__text p:last-child{margin-bottom:0;}
.P-about__link{margin-top:26px;}
.P-about__media{position:relative;}
.P-about__media img{border-radius:var(--P-radius);box-shadow:var(--P-shadow-h);}

/* 产品/服务卡片网格 */
.P-lines{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.P-lines__item{padding:34px 28px;}
.P-lines__icon{width:56px;height:56px;border-radius:var(--P-radius-sm);display:flex;align-items:center;justify-content:center;background:var(--P-alt);margin-bottom:16px;}
.P-lines__icon svg{width:28px;height:28px;stroke:var(--P-primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.P-lines__title{font-size:19px;font-weight:700;color:var(--P-heading);margin-bottom:8px;}
.P-lines__desc{color:var(--P-muted);font-size:14px;line-height:1.8;}

/* 图片画廊 */
.P-showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.P-showcase__item{margin:0;border-radius:var(--P-radius-sm);overflow:hidden;background:var(--P-alt);border:1px solid var(--P-line);}
.P-showcase__img{width:100%;height:210px;object-fit:cover;transition:transform .3s ease;}
.P-showcase__item:hover .P-showcase__img{transform:scale(1.05);}
.P-showcase__cap{padding:12px 14px;font-size:14px;color:var(--P-ink);text-align:center;}

/* 优势卡片 */
.P-adv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px;}
.P-adv__item{padding:30px 26px;background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);transition:transform .25s ease,box-shadow .25s ease;}
.P-adv__item:hover{transform:translateY(-6px);box-shadow:var(--P-shadow-h);}
.P-adv__icon{width:52px;height:52px;margin-bottom:14px;border-radius:var(--P-radius-sm);display:flex;align-items:center;justify-content:center;background:var(--P-alt);}
.P-adv__icon svg{width:26px;height:26px;stroke:var(--P-primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.P-adv__title{font-size:17px;font-weight:700;color:var(--P-heading);margin-bottom:8px;}
.P-adv__desc{color:var(--P-muted);font-size:13px;line-height:1.8;}

/* 流程 */
.P-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:36px;}
.P-flow__item{position:relative;background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);padding:30px 22px;box-shadow:var(--P-shadow);}
.P-flow__num{font-size:14px;font-weight:700;color:var(--P-accent);letter-spacing:1px;margin-bottom:12px;}
.P-flow__title{font-size:18px;font-weight:700;color:var(--P-heading);margin-bottom:8px;}
.P-flow__desc{color:var(--P-muted);font-size:13px;line-height:1.8;}

/* 新闻列表 */
.P-newslist{display:flex;flex-direction:column;gap:20px;}
.P-newsitem{display:flex;gap:24px;align-items:flex-start;padding:20px;}
.P-newsitem__thumb{width:220px;height:132px;object-fit:cover;border-radius:var(--P-radius-sm);flex:0 0 auto;}
.P-newsitem__body{flex:1;min-width:0;}
.P-newsitem__title{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--P-heading);}
.P-newsitem__title a{color:var(--P-heading);}
.P-newsitem__title a:hover{color:var(--P-primary);}
.P-newsitem__desc{color:var(--P-muted);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.P-newsitem__date{display:inline-block;margin-top:10px;color:var(--P-muted);font-size:13px;}

/* 产品网格（列表页缩略图） */
.P-prodgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.P-prod{display:flex;flex-direction:column;}
.P-prod__img{width:100%;height:200px;object-fit:cover;}
.P-prod__ph{width:100%;height:200px;background:var(--P-alt);display:flex;align-items:center;justify-content:center;}
.P-prod__ph svg{width:52px;height:52px;stroke:var(--P-accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.P-prod__body{padding:18px 20px;}
.P-prod__title{font-size:17px;font-weight:700;color:var(--P-heading);margin-bottom:6px;}
.P-prod__title:hover{color:var(--P-primary);}
.P-prod__desc{color:var(--P-muted);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 案例 */
.P-cases{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px;}
.P-case{padding:28px 26px;}
.P-case__title{font-size:17px;font-weight:700;color:var(--P-heading);margin-bottom:8px;}
.P-case__desc{color:var(--P-muted);font-size:14px;line-height:1.8;}

/* 页头（内页） */
.P-pagehead{background:var(--P-grad);color:#fff;padding:50px 0 58px;}
.P-pagehead__inner{max-width:1160px;margin:0 auto;padding:0 24px;}
.P-pagehead__title{font-size:32px;font-weight:800;letter-spacing:1px;line-height:1.3;}
.P-crumb{margin-top:14px;font-size:14px;color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.P-crumb a{color:rgba(255,255,255,.92);}
.P-crumb a:hover{color:#fff;}
.P-crumb__sep{color:rgba(255,255,255,.5);}
.P-crumb__item[aria-current="page"]{color:rgba(255,255,255,.95);font-weight:600;}

/* 文章 */
.P-post{background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);padding:40px 44px;}
.P-post h2{display:flex;align-items:center;gap:10px;margin:34px 0 14px;font-size:22px;font-weight:700;color:var(--P-heading);}
.P-post h2:first-child{margin-top:0;}
.P-post h2::before{content:"";width:6px;height:22px;border-radius:3px;background:var(--P-grad);flex:0 0 auto;}
.P-post__meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--P-muted);font-size:14px;margin:16px 0 22px;padding-bottom:20px;border-bottom:1px solid var(--P-line);}
.P-post__thumb{border-radius:var(--P-radius-sm);margin-bottom:24px;}
.P-post__body{line-height:1.95;color:var(--P-ink);}
.P-post__body p{margin-bottom:16px;}
.P-post__body img{border-radius:var(--P-radius-sm);margin:18px auto;}
.P-post__body h2,.P-post__body h3,.P-post__body h4{color:var(--P-heading);font-weight:700;margin:28px 0 12px;line-height:1.4;}
.P-post__body h2{font-size:22px;}
.P-post__body h3{font-size:19px;}
.P-post__body ul{margin:0 0 16px 1.4em;list-style:disc;}
.P-post__body ol{margin:0 0 16px 1.4em;list-style:decimal;}
.P-post__body li{margin-bottom:6px;}
.P-post__body blockquote{border-left:4px solid var(--P-accent);background:var(--P-alt);padding:14px 18px;border-radius:0 var(--P-radius-sm) var(--P-radius-sm) 0;margin:16px 0;color:var(--P-ink);}
.P-post__body a{color:var(--P-primary);text-decoration:underline;}
.P-post__body table{width:100%;border-collapse:collapse;margin:16px 0;}
.P-post__body th,.P-post__body td{border:1px solid var(--P-line);padding:10px 12px;}
.P-post__body th{background:var(--P-alt);}
.P-post__back{display:inline-flex;align-items:center;gap:6px;margin-top:28px;color:var(--P-primary);font-weight:600;}

/* 产品详情 */
.P-prodshow{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start;}
.P-prodshow__main{min-width:0;}
.P-prodshow__aside{display:flex;flex-direction:column;gap:18px;}
.P-panel{background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius-sm);box-shadow:var(--P-shadow);padding:22px;}
.P-panel__title{font-size:16px;font-weight:700;color:var(--P-heading);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.P-panel__title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--P-grad);}
.P-panel__text{color:var(--P-ink);font-size:14px;line-height:1.85;}
.P-pointlist{list-style:none;}
.P-pointlist li{display:flex;flex-wrap:wrap;gap:4px;padding:9px 0;border-bottom:1px dashed var(--P-line);font-size:14px;color:var(--P-ink);line-height:1.7;}
.P-pointlist li:last-child{border-bottom:0;}
.P-pointlist b{color:var(--P-heading);flex:0 0 auto;}
.P-chips{display:flex;flex-wrap:wrap;gap:8px;}
.P-chip{display:inline-block;padding:6px 14px;border:1px solid var(--P-line);border-radius:var(--P-radius-pill);background:var(--P-alt);color:var(--P-primary);font-size:13px;font-weight:600;}
.P-chips--stack{flex-direction:column;align-items:stretch;}
.P-chip--fact{border-radius:var(--P-radius-sm);text-align:left;background:var(--P-alt);color:var(--P-ink);font-weight:500;line-height:1.6;}

/* 产品详情首屏 */
.P-prodhero{background:var(--P-grad);color:#fff;padding:40px 0 68px;}
.P-prodhero__inner{max-width:1160px;margin:0 auto;padding:0 24px;}
.P-prodhero__card{background:#fff;border-radius:var(--P-radius);box-shadow:0 26px 56px rgba(15,23,42,.20);padding:34px;margin-top:26px;display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:40px;align-items:center;}
.P-prodhero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--P-radius-sm);box-shadow:0 16px 36px rgba(15,23,42,.16);}
.P-prodhero__ph{width:100%;aspect-ratio:4/3;border-radius:var(--P-radius-sm);background:var(--P-alt);display:flex;align-items:center;justify-content:center;}
.P-prodhero__ph svg{width:64px;height:64px;stroke:var(--P-accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.P-prodhero__kicker{display:inline-block;color:var(--P-primary);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.P-prodhero__title{font-size:28px;font-weight:800;color:var(--P-heading);line-height:1.35;margin-bottom:10px;}
.P-prodhero__desc{color:var(--P-muted);font-size:15px;line-height:1.8;margin-bottom:18px;}
.P-prodhero__points{margin-bottom:22px;}
.P-prodhero__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 联系页 */
.P-contact{max-width:860px;margin:0 auto;}
.P-contact__card{padding:42px 44px;}
.P-contact__name{font-size:24px;font-weight:800;color:var(--P-heading);margin-bottom:16px;}
.P-contact__list{color:var(--P-ink);font-size:15px;line-height:2.1;margin-bottom:20px;}
.P-contact__phone{border-top:1px dashed var(--P-line);border-bottom:1px dashed var(--P-line);padding:20px 0;margin-bottom:20px;text-align:center;}
.P-contact__label{display:block;color:var(--P-muted);font-size:13px;margin-bottom:6px;letter-spacing:2px;}
.P-contact__tel{font-size:38px;font-weight:800;color:var(--P-primary);letter-spacing:1px;}
.P-contact__tel:hover{color:var(--P-accent);}
.P-contact__info{color:var(--P-ink);font-size:15px;line-height:2;}

/* 首页分站互联卡片 */
.P-citylinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:8px;}
.P-citylinks__item{display:flex;flex-direction:column;gap:4px;padding:24px 20px;background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);transition:transform .25s ease,box-shadow .25s ease;text-align:center;}
.P-citylinks__item:hover{transform:translateY(-4px);box-shadow:var(--P-shadow-h);}
.P-citylinks__region{font-size:22px;font-weight:800;color:var(--P-heading);}
.P-citylinks__site{font-size:13px;color:var(--P-muted);}
.P-citylinks__item--fold{display:none;}
.P-citylinks--open .P-citylinks__item--fold{display:flex;}
.P-citylinks__toggle{display:flex;justify-content:center;margin-top:26px;}
.P-citylinks__more{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border:1px solid var(--P-line);border-radius:var(--P-radius-pill);background:#fff;color:var(--P-primary);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:var(--P-shadow);}
.P-citylinks__more:hover{color:#fff;background:var(--P-grad);border-color:transparent;}

/* 服务地区横幅带（含分站胶囊） */
.P-zone{text-align:center;}
.P-zonepills{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px;}
.P-zonepills__pill{display:inline-block;padding:8px 18px;border:1px solid rgba(255,255,255,.35);border-radius:var(--P-radius-pill);background:rgba(255,255,255,.12);color:#fff;font-size:14px;font-weight:600;}
.P-zonepills__pill--fold{display:none;}
.P-zonepills--open .P-zonepills__pill--fold{display:inline-block;}
.P-zonepills__more{margin-top:22px;padding:10px 28px;border:1px solid rgba(255,255,255,.4);border-radius:var(--P-radius-pill);background:rgba(255,255,255,.1);color:#fff;font-size:15px;font-weight:600;cursor:pointer;}

/* 关联企业推荐 */
.P-partners{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.P-partners__item{display:inline-flex;flex-direction:column;gap:2px;padding:16px 24px;background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);color:var(--P-heading);font-weight:700;text-align:center;transition:transform .2s,box-shadow .2s;}
.P-partners__item:hover{transform:translateY(-3px);box-shadow:var(--P-shadow-h);color:var(--P-primary);}
.P-partners__item span{font-size:12px;color:var(--P-muted);font-weight:500;}

/* FAQ */
.P-faq{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto;}
.P-faq__item{background:#fff;border:1px solid var(--P-line);border-radius:var(--P-radius);box-shadow:var(--P-shadow);overflow:hidden;}
.P-faq__item summary{display:flex;align-items:center;gap:12px;padding:18px 22px;cursor:pointer;font-size:17px;font-weight:700;color:var(--P-heading);list-style:none;}
.P-faq__item summary::-webkit-details-marker{display:none;}
.P-faq__item summary::before{content:"Q";flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--P-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;}
.P-faq__item summary::after{content:"+";margin-left:auto;font-size:22px;color:var(--P-primary);font-weight:700;}
.P-faq__item[open] summary::after{content:"\2212";}
.P-faq__ans{padding:0 22px 20px 62px;color:var(--P-ink);font-size:15px;line-height:1.9;}

/* 底部 */
.P-foot{background:var(--P-heading);color:#94A3B8;font-size:14px;}
.P-foot__inner{max-width:1160px;margin:0 auto;padding:44px 24px 36px;}
.P-foot__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08);}
.P-foot__brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px;}
.P-foot__text{line-height:1.9;max-width:420px;}
.P-foot__phone{display:inline-block;margin-top:14px;font-size:22px;font-weight:700;color:#fff;}
.P-foot__phone:hover{color:var(--P-accent);}
.P-foot__title{color:#E2E8F0;font-weight:600;margin-bottom:14px;font-size:15px;}
.P-foot p{line-height:2;}
.P-foot a{color:#94A3B8;}
.P-foot a:hover{color:var(--P-accent);}
.P-foot__copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;font-size:13px;color:#64748B;}
.P-foot__notice{margin-top:24px;padding:16px 18px;border:1px solid rgba(255,255,255,.12);border-radius:var(--P-radius-sm);background:rgba(255,255,255,.05);font-size:13px;line-height:1.9;color:#94A3B8;}
.P-foot__notice p{margin-bottom:4px;}
.P-foot__notice p:last-child{margin-bottom:0;}

/* 底部互链 */
.P-footcity{background:var(--P-alt);border-top:1px solid var(--P-line);padding:26px 0;}
.P-footcity__inner{max-width:1160px;margin:0 auto;padding:0 24px;display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;}
.P-footcity__label{flex:0 0 auto;color:var(--P-heading);font-weight:700;padding-top:6px;}
.P-footcity__links{display:flex;flex-wrap:wrap;gap:10px;}
.P-footcity__link{display:inline-block;padding:6px 16px;border:1px solid var(--P-line);border-radius:var(--P-radius-pill);background:#fff;color:var(--P-ink);font-size:14px;}
.P-footcity__link:hover{color:#fff;background:var(--P-grad);border-color:transparent;}
.P-footcity__link--fold{display:none;}
.P-footcity__links.P-footcitylinks--open .P-footcity__link--fold{display:inline-block;}
.P-footcity__more{flex:0 0 auto;align-self:flex-start;margin-left:4px;padding:6px 16px;border:1px solid var(--P-line);border-radius:var(--P-radius-pill);background:#fff;color:var(--P-primary);font-size:14px;cursor:pointer;transition:all .2s;}
.P-footcity__more:hover{color:#fff;background:var(--P-grad);border-color:transparent;}

/* 移动拨号栏 */
.P-callbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--P-line);box-shadow:0 -8px 24px rgba(15,23,42,.08);}
.P-callbar__btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px;border-radius:var(--P-radius-pill);background:var(--P-grad);color:#fff;font-size:16px;font-weight:700;box-shadow:0 10px 24px var(--P-shadow-h);}
.P-callbar__btn:hover{color:#fff;}
.P-callbar__btn svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* 分页 */
.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:36px 0 8px;}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:var(--P-radius-sm);border:1px solid var(--P-line);background:#fff;color:var(--P-ink);font-size:14px;}
.pagination a:hover{border-color:var(--P-primary);color:var(--P-primary);background:var(--P-alt);}
.pagination .current{background:var(--P-grad);color:#fff;border-color:transparent;font-weight:700;}

.P-hero--dark{background:linear-gradient(135deg,#0B1220 0%,#1E293B 55%,#0F172A 100%) !important;}
/* 横幅+杂志 首屏 */
.P-hero{position:relative;overflow:hidden;background:var(--P-grad);color:#fff;}
.P-hero__inner{position:relative;z-index:2;max-width:1160px;margin:0 auto;padding:84px 24px 92px;}
.P-hero__badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:var(--P-radius-pill);padding:6px 16px;font-size:14px;font-weight:600;letter-spacing:1px;margin-bottom:22px;}
.P-hero__title{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:1px;margin-bottom:16px;max-width:760px;}
.P-hero__sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:14px;}
.P-hero__meta{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:rgba(255,255,255,.85);margin-bottom:28px;}
.P-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
/* 杂志式章节 */
.P-mag{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:36px;}
.P-mag--rev .P-mag__media{order:2;}
.P-mag__media img{border-radius:var(--P-radius);box-shadow:var(--P-shadow-h);}
.P-mag__eyebrow{display:inline-block;color:var(--P-primary);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.P-mag__title{font-size:26px;font-weight:800;color:var(--P-heading);margin-bottom:14px;line-height:1.35;}
.P-mag__text{color:var(--P-ink);font-size:15px;line-height:1.95;}
.P-mag__text p{margin-bottom:12px;}
.P-quote{border-left:4px solid var(--P-accent);background:var(--P-alt);padding:18px 22px;border-radius:0 var(--P-radius-sm) var(--P-radius-sm) 0;margin-top:18px;font-size:17px;color:var(--P-heading);font-style:italic;}
@media (max-width:960px){
  .P-nav{display:none;}
  .P-burger{display:flex;}
  .P-header__cta{display:none;}
  .P-hero__inner{flex-direction:column;gap:32px;padding:56px 24px 72px;text-align:center;}
  .P-hero__sub{margin-left:auto;margin-right:auto;}
  .P-hero__actions{justify-content:center;}
  .P-hero__art{flex:1 1 auto;width:100%;}
  .P-hero__pic{max-height:300px;}
  .P-lines{grid-template-columns:1fr;}
  .P-adv{grid-template-columns:repeat(2,1fr);}
  .P-flow{grid-template-columns:repeat(2,1fr);}
  .P-showcase{grid-template-columns:repeat(2,1fr);}
  .P-prodgrid{grid-template-columns:repeat(2,1fr);}
  .P-cases{grid-template-columns:1fr;}
  .P-prodshow{grid-template-columns:1fr;}
  .P-prodhero__card{grid-template-columns:1fr;gap:24px;padding:24px;}
  .P-prodhero__title{font-size:24px;}
  .P-newsdetail{grid-template-columns:1fr;}
  .P-newsdetail__aside{position:static;}
  .P-foot__cols{grid-template-columns:1fr;gap:28px;}
  .P-mag{grid-template-columns:1fr;gap:24px;}
  .P-mag--rev .P-mag__media{order:0;}
  .P-about{grid-template-columns:1fr;gap:32px;}
  .P-about__media{order:-1;}
}
@media (max-width:640px){
  body{padding-bottom:70px;}
  .P-sec{padding:44px 0;}
  .P-hero__title{font-size:30px;}
  .P-pagehead__title{font-size:25px;}
  .P-sec__title{font-size:24px;}
  .P-showcase{grid-template-columns:repeat(2,1fr);gap:14px;}
  .P-showcase__img{height:150px;}
  .P-adv{grid-template-columns:1fr;}
  .P-flow{grid-template-columns:1fr;}
  .P-prodgrid{grid-template-columns:1fr;}
  .P-newsitem{flex-direction:column;gap:14px;}
  .P-newsitem__thumb{width:100%;height:auto;aspect-ratio:16/9;}
  .P-post{padding:24px 20px;}
  .P-contact__card{padding:28px 22px;}
  .P-callbar{display:block;}
  .P-metrics__inner{grid-template-columns:repeat(2,1fr);gap:20px 0;}
  .P-metrics__item:nth-child(2){border-right:0;}
  .P-num{flex-direction:column;gap:12px;}
}