/* ============================================================
   凯嵩科技 主题 · 沈阳站 kaisong-shenyang（纵向长页 · 交替背景）
   页面底 : #FFFFFF  交替底 : #F2F1FD
   主渐变 : linear-gradient(135deg,#4F46E5,#4338CA)  强调色 : #F59E0B
   文本   : #252459 正文 | #6B6B93 弱化 | #14123A 标题
   分隔   : #E3E2F4  卡底 : #FFFFFF 边框 #E3E2F4
   圆角   : 16px  阴影 : 0 12px 32px rgba(67,56,202,.12)
   断点   : 960px | 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:#252459;background:#FFFFFF;line-height:1.7;font-size:16px;}
img{max-width:100%;display:block;border:0;}
a{color:#4338CA;text-decoration:none;transition:color .2s ease,background .2s ease;}
a:hover{color:#F59E0B;}
ul,ol{list-style:none;}
.sy-wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.sy-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;}
.sy-noscroll{overflow:hidden;}
.sy-main{display:block;}

/* ---- 按钮 ---- */
.sy-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;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;}
.sy-btn:hover{transform:translateY(-2px);}
.sy-btn--primary{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.16);}
.sy-btn--primary:hover{color:#fff;box-shadow:0 16px 32px rgba(0,0,0,.22);}
.sy-btn--accent{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.16);}
.sy-btn--accent:hover{color:#fff;box-shadow:0 16px 32px rgba(0,0,0,.22);}
.sy-btn--light{background:#fff;color:#4338CA;box-shadow:0 10px 24px rgba(0,0,0,.2);}
.sy-btn--light:hover{color:#F59E0B;}
.sy-btn--outline{border-color:#4338CA;color:#4338CA;background:transparent;}
.sy-btn--outline:hover{color:#fff;background:linear-gradient(135deg,#4F46E5,#4338CA);border-color:transparent;}
.sy-btn--ghost{border-color:rgba(255,255,255,.75);color:#fff;background:transparent;}
.sy-btn--ghost:hover{color:#fff;background:rgba(255,255,255,.14);}
.sy-btn--lg{padding:16px 40px;font-size:17px;}

/* ---- 顶栏 ---- */
.sy-util{background:#0B1B2B;color:rgba(255,255,255,.72);font-size:13px;line-height:1.5;border-bottom:1px solid rgba(255,255,255,.08);}
.sy-util__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;min-height:42px;padding-top:5px;padding-bottom:5px;}
.sy-util__welcome{color:rgba(255,255,255,.72);}
.sy-util__welcome strong{color:#fff;font-weight:600;}
.sy-util__right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.sy-util__city{display:inline-flex;align-items:center;gap:6px;padding:3px 14px;border-radius:999px;background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;font-weight:700;letter-spacing:.5px;box-shadow:0 4px 12px rgba(0,0,0,.18);}
.sy-util__city svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-util__phone{color:#fff;font-weight:700;letter-spacing:.5px;}

/* ---- 顶部导航 ---- */
.sy-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 #E3E2F4;box-shadow:0 4px 20px rgba(0,0,0,.06);}
.sy-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.sy-brand{display:flex;align-items:center;gap:14px;flex:0 0 auto;min-width:0;}
.sy-brand__img{height:44px;width:auto;max-width:220px;object-fit:contain;}
.sy-brand__logo{display:inline-flex;align-items:center;flex:0 0 auto;}
.sy-brand__title{display:flex;flex-direction:column;justify-content:center;line-height:1.3;padding-left:14px;border-left:1px solid #E3E2F4;}
.sy-brand__meta{display:block;font-size:13px;color:#6B6B93;white-space:nowrap;}
.sy-brand__meta b{color:#4338CA;font-weight:700;letter-spacing:.5px;}
.sy-brand__name{white-space:nowrap;}
@media (max-width:640px){.sy-brand{gap:10px;}.sy-brand__img{max-width:130px;height:34px;}.sy-brand__name{font-size:17px;}.sy-brand__meta{font-size:11px;}}
.sy-brand__text,.sy-brand__name{font-size:22px;font-weight:800;letter-spacing:.5px;background:linear-gradient(135deg,#4F46E5,#4338CA);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.sy-nav{display:flex;gap:4px;margin-left:auto;}
.sy-nav__link{position:relative;display:inline-block;padding:10px 15px;color:#252459;font-size:15px;font-weight:500;border-radius:10px;}
.sy-nav__link:hover{color:#4338CA;background:#F2F1FD;}
.sy-nav__link--on,.sy-nav__link--on:hover{color:#fff;background:linear-gradient(135deg,#4F46E5,#4338CA);box-shadow:0 8px 18px rgba(0,0,0,.14);}
.sy-header__cta{flex:0 0 auto;padding:10px 22px;font-size:15px;}
.sy-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:#F2F1FD;border:1px solid #E3E2F4;border-radius:12px;cursor:pointer;flex:0 0 auto;}
.sy-burger span{display:block;height:2px;width:20px;margin:0 auto;background:#252459;border-radius:2px;}

/* ---- 移动抽屉 ---- */
.sy-drawer{position:fixed;inset:0;z-index:100;background:linear-gradient(160deg,#0B1B2B,#123A5C);color:#fff;padding:22px 24px;transform:translateX(-100%);transition:transform .28s ease;display:flex;flex-direction:column;visibility:hidden;}
.sy-drawer--open{transform:translateX(0);visibility:visible;}
.sy-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.sy-drawer .sy-brand__text{background:none;-webkit-text-fill-color:#fff;color:#fff;}
.sy-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;}
.sy-drawer__nav{display:flex;flex-direction:column;gap:6px;}
.sy-drawer__link{display:block;padding:14px 16px;border:1px solid rgba(255,255,255,.14);border-radius:14px;color:rgba(255,255,255,.86);font-size:17px;font-weight:500;}
.sy-drawer__link--on,.sy-drawer__link--on:hover{background:rgba(255,255,255,.2);color:#fff;}
.sy-drawer__tel{margin-top:auto;text-align:center;}

/* ---- 区块通用 ---- */
.sy-sec{padding:64px 0;}
.sy-sec--alt{background:#F2F1FD;border-top:1px solid #E3E2F4;border-bottom:1px solid #E3E2F4;}
.sy-sec--band{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;border:0;}
.sy-sec--band .sy-sec__title{color:#fff;}
.sy-sec--band .sy-sec__eyebrow{color:rgba(255,255,255,.85);}
.sy-sec--band .sy-sec__lead{color:rgba(255,255,255,.92);}
.sy-sec__inner{max-width:1160px;margin:0 auto;padding:0 24px;}
.sy-sec__inner--center{text-align:center;}
.sy-sec__head{max-width:760px;margin-bottom:40px;}
.sy-sec__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sy-sec__eyebrow{display:inline-block;color:#F59E0B;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.sy-sec__title{font-size:30px;line-height:1.3;font-weight:800;color:#14123A;margin-bottom:12px;}
.sy-sec__lead{color:#6B6B93;font-size:16px;}
.sy-sec__cta{margin-top:30px;display:flex;flex-wrap:wrap;justify-content:center;gap:16px;}
.sy-sec__phone{display:inline-block;margin-top:10px;font-size:34px;font-weight:800;color:#fff;letter-spacing:1px;}
.sy-morewrap{margin-top:34px;}

/* ---- 卡片 ---- */
.sy-card{background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);transition:transform .25s ease,box-shadow .25s ease,background .25s ease;overflow:hidden;}
.sy-card:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(0,0,0,.16);background:#FFFFFF;}

/* ---- 关于我们（简介折叠） ---- */
.sy-about{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.sy-about__lead{font-size:17px;line-height:1.95;color:#252459;margin-bottom:18px;}
.sy-about__lead strong{color:#4338CA;}
.sy-about__toggle{margin-top:16px;}
.sy-about__btn{display:inline-flex;align-items:center;gap:2px;padding:4px 0;border:0;background:none;color:#4338CA;font-size:14px;font-weight:600;cursor:pointer;}
.sy-about__btn:hover{color:#F59E0B;}
.sy-about__arr{font-size:12px;}
.sy-about__link{margin-top:26px;}
.sy-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);}
.sy-about__full p{margin-bottom:12px;}
.sy-about__full p:last-child{margin-bottom:0;}
.sy-about__full h1,.sy-about__full h2,.sy-about__full h3,.sy-about__full h4{font-size:17px;font-weight:700;color:#14123A;margin:14px 0 8px;}
.sy-about__full strong{color:#14123A;}
.sy-about__full img{display:none;}
.sy-about__full--open{max-height:none;-webkit-mask-image:none;mask-image:none;}
.sy-about__media{position:sticky;top:96px;}
.sy-about__img{border-radius:20px;box-shadow:0 12px 32px rgba(67,56,202,.12);border:1px solid #E3E2F4;}
.sy-about__media::after{content:"";position:absolute;right:-18px;bottom:-18px;width:140px;height:140px;border-radius:20px;background:linear-gradient(135deg,#4F46E5,#4338CA);opacity:.22;z-index:-1;}
.sy-about__stat{margin-top:18px;padding:18px 20px;border-radius:18px;background:#F2F1FD;border:1px solid #E3E2F4;display:flex;align-items:center;gap:14px;}
.sy-about__statnum{font-size:32px;font-weight:800;color:#F59E0B;line-height:1;}
.sy-about__stattxt{font-size:13px;color:#6B6B93;line-height:1.6;}

/* ---- 产品卡（prods） ---- */
.sy-prods{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sy-prods__item{padding:30px 26px;}
.sy-prods__icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:#F2F1FD;border:1px solid #E3E2F4;margin-bottom:16px;}
.sy-prods__icon svg{width:28px;height:28px;stroke:#F59E0B;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-prods__title{font-size:19px;font-weight:700;color:#14123A;margin-bottom:8px;}
.sy-prods__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 编号产品卡（lines） ---- */
.sy-lines{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sy-lines__item{padding:34px 28px;position:relative;}
.sy-lines__num{position:absolute;top:20px;right:24px;font-size:44px;font-weight:800;color:#E3E2F4;line-height:1;}
.sy-lines__icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:#F2F1FD;border:1px solid #E3E2F4;margin-bottom:16px;}
.sy-lines__icon svg{width:28px;height:28px;stroke:#F59E0B;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-lines__title{font-size:19px;font-weight:700;color:#14123A;margin-bottom:8px;}
.sy-lines__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 为什么选（adv 编号卡） ---- */
.sy-adv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sy-adv__item{padding:30px 26px;position:relative;}
.sy-adv__num{position:absolute;top:20px;right:24px;font-size:40px;font-weight:800;color:#E3E2F4;line-height:1;}
.sy-adv__icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#F2F1FD;border:1px solid #E3E2F4;margin-bottom:14px;}
.sy-adv__icon svg{width:26px;height:26px;stroke:#4338CA;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-adv__title{font-size:18px;font-weight:700;color:#14123A;margin-bottom:8px;}
.sy-adv__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 数字条（nums，布局 D） ---- */
.sy-nums{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:8px;}
.sy-nums__item{text-align:center;padding:26px 12px;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);transition:transform .25s ease,box-shadow .25s ease;}
.sy-nums__item:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(0,0,0,.14);}
.sy-nums__num{font-size:36px;font-weight:800;color:#14123A;line-height:1.1;}
.sy-nums__unit{font-size:16px;font-weight:700;color:#F59E0B;margin-left:2px;}
.sy-nums__label{margin-top:8px;color:#6B6B93;font-size:13px;}

/* ---- 企业实力数据条（metrics） ---- */
.sy-metrics{position:relative;z-index:3;margin-top:-40px;padding:0 24px;}
.sy-metrics__inner{max-width:1160px;margin:0 auto;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:20px;box-shadow:0 24px 48px rgba(0,0,0,.12);display:grid;grid-template-columns:repeat(4,1fr);padding:32px 12px;}
.sy-metrics__item{text-align:center;padding:8px 12px;border-right:1px solid #E3E2F4;}
.sy-metrics__item:last-child{border-right:0;}
.sy-metrics__num{font-size:40px;font-weight:800;color:#14123A;line-height:1.1;}
.sy-metrics__unit{font-size:18px;font-weight:700;color:#F59E0B;margin-left:2px;}
.sy-metrics__label{margin-top:8px;color:#6B6B93;font-size:14px;}

/* ---- 合作客户（徽章墙） ---- */
.sy-clients{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:8px;}
.sy-clients__item{padding:14px 26px;border:1px solid #E3E2F4;border-radius:999px;background:#F2F1FD;color:#252459;font-size:15px;font-weight:600;letter-spacing:.5px;transition:all .25s ease;}
.sy-clients__item:hover{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;border-color:transparent;transform:translateY(-3px);}

/* ---- 产品板块（sectors） ---- */
.sy-sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sy-sectors__item{padding:28px 26px;}
.sy-sectors__icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#F2F1FD;border:1px solid #E3E2F4;margin-bottom:14px;}
.sy-sectors__icon svg{width:26px;height:26px;stroke:#F59E0B;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-sectors__title{font-size:18px;font-weight:700;color:#14123A;margin-bottom:8px;}
.sy-sectors__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 工艺实力（craft） ---- */
.sy-craft{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;margin-top:8px;}
.sy-craft__lead{font-size:17px;line-height:1.95;color:#252459;margin-bottom:22px;}
.sy-craft__lead strong{color:#4338CA;}
.sy-craft__list{display:flex;flex-direction:column;gap:18px;}
.sy-craft__listitem{display:flex;gap:14px;align-items:flex-start;}
.sy-craft__listnum{flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.sy-craft__listtitle{font-size:16px;font-weight:700;color:#14123A;margin-bottom:4px;}
.sy-craft__listdesc{color:#6B6B93;font-size:14px;line-height:1.7;}
.sy-craft__media img{border-radius:20px;box-shadow:0 12px 32px rgba(67,56,202,.12);border:1px solid #E3E2F4;}

/* ---- 工艺时间线（timeline，布局 D） ---- */
.sy-timeline{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px;}
.sy-timeline__item{position:relative;padding:26px 28px;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);padding-left:56px;}
.sy-timeline__dot{position:absolute;left:24px;top:30px;width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,#4F46E5,#4338CA);box-shadow:0 0 0 5px rgba(0,0,0,.06);}
.sy-timeline__title{font-size:17px;font-weight:700;color:#14123A;margin-bottom:6px;}
.sy-timeline__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 资质荣誉（honors 带） ---- */
.sy-honors{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:8px;}
.sy-honors__item{padding:22px 12px;border-radius:16px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);text-align:center;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .25s ease,transform .25s ease;}
.sy-honors__item:hover{background:rgba(255,255,255,.24);transform:translateY(-4px);}
.sy-honors__badge{display:block;font-size:26px;margin-bottom:8px;color:#fff;}
.sy-honors__title{font-size:14px;font-weight:700;letter-spacing:.5px;}

/* ---- 资质荣誉（honor 胶囊，布局 C） ---- */
.sy-honor{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:8px;}
.sy-honor__item{padding:16px 30px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font-size:15px;font-weight:600;letter-spacing:.5px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .25s ease,transform .25s ease;text-align:center;}
.sy-honor__item:hover{background:rgba(255,255,255,.24);transform:translateY(-3px);}

/* ---- 首页新闻卡（cards） ---- */
.sy-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px;}
.sy-cards__item{padding:26px 24px;display:flex;flex-direction:column;}
.sy-cards__date{display:inline-block;align-self:flex-start;padding:3px 12px;border-radius:999px;background:#F2F1FD;border:1px solid #E3E2F4;color:#F59E0B;font-size:12px;font-weight:700;margin-bottom:14px;}
.sy-cards__title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;}
.sy-cards__title a{color:#14123A;}
.sy-cards__title a:hover{color:#F59E0B;}
.sy-cards__desc{color:#6B6B93;font-size:13px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.sy-cards__more{margin-top:auto;font-weight:600;font-size:14px;color:#4338CA;}
.sy-cards__more:hover{color:#F59E0B;}

/* ---- 服务流程（steps） ---- */
.sy-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sy-steps__item{padding:30px 26px;}
.sy-steps__icon{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4F46E5,#4338CA);box-shadow:0 10px 24px rgba(0,0,0,.14);margin-bottom:16px;}
.sy-steps__icon svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.sy-steps__title{font-size:18px;font-weight:700;color:#14123A;margin-bottom:8px;}
.sy-steps__desc{color:#6B6B93;font-size:14px;line-height:1.8;}

/* ---- 服务地区横幅带（zone） ---- */
.sy-zone{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;}
.sy-zone__inner{max-width:1160px;margin:0 auto;padding:38px 24px;display:grid;grid-template-columns:1fr 1.3fr;gap:28px;align-items:center;}
.sy-zone__eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:rgba(255,255,255,.85);margin-bottom:8px;}
.sy-zone__title{font-size:26px;font-weight:800;line-height:1.3;color:#fff;}
.sy-zone__sub{margin-top:8px;font-size:14px;color:rgba(255,255,255,.92);}
.sy-zone__pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.sy-zone__pill{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:14px;font-weight:600;transition:all .2s;}
.sy-zone__pill:hover{background:#fff;color:#4338CA;border-color:transparent;}
.sy-zone__pill--cur{background:#fff;color:#4338CA;border-color:transparent;font-weight:800;}
.sy-zone__pill--fold{display:none;}
.sy-zone__pills.sy-citylinks--open .sy-zone__pill--fold{display:inline-flex;}
.sy-zone__more{margin-top:12px;justify-self:end;display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;}
.sy-zone__more:hover{background:#fff;color:#4338CA;border-color:transparent;}

/* ---- 覆盖地区 · 分站互联（citylinks） ---- */
.sy-citylinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:8px;}
.sy-citylinks__item{display:flex;flex-direction:column;gap:4px;padding:24px 20px;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);transition:transform .25s ease,box-shadow .25s ease,background .25s ease;text-align:center;}
.sy-citylinks__item:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.16);}
.sy-citylinks__item--cur{background:linear-gradient(135deg,#4F46E5,#4338CA);border-color:transparent;}
.sy-citylinks__region{font-size:22px;font-weight:800;color:#14123A;}
.sy-citylinks__item--cur .sy-citylinks__region{color:#fff;}
.sy-citylinks__site{font-size:13px;color:#6B6B93;}
.sy-citylinks__item--cur .sy-citylinks__site{color:rgba(255,255,255,.92);}
.sy-citylinks__item--fold{display:none;}
.sy-citylinks--open .sy-citylinks__item--fold{display:flex;}
.sy-citylinks__toggle{display:flex;justify-content:center;margin-top:26px;}
.sy-citylinks__more{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border:1px solid #E3E2F4;border-radius:999px;background:#F2F1FD;color:#4338CA;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 12px 32px rgba(67,56,202,.12);}
.sy-citylinks__more:hover{color:#fff;background:linear-gradient(135deg,#4F46E5,#4338CA);border-color:transparent;}

/* ---- 生态伙伴 · 关联企业推荐（partners） ---- */
.sy-partners{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:8px;}
.sy-partners__item{display:flex;flex-direction:column;gap:4px;padding:20px 18px;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);text-align:center;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;}
.sy-partners__item:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.16);}
.sy-partners__name{font-size:16px;font-weight:700;color:#14123A;}
.sy-partners__site{font-size:13px;color:#6B6B93;}

/* ---- 图片画廊（showcase） ---- */
.sy-showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.sy-showcase__item{margin:0;border-radius:16px;overflow:hidden;background:#FFFFFF;border:1px solid #E3E2F4;box-shadow:0 12px 32px rgba(67,56,202,.12);}
.sy-showcase__img{width:100%;height:210px;object-fit:cover;transition:transform .3s ease;}
.sy-showcase__item:hover .sy-showcase__img{transform:scale(1.05);}
.sy-showcase__cap{padding:12px 14px;font-size:14px;color:#252459;text-align:center;}

/* ---- 品牌形象广告图（banner，布局 B） ---- */
.sy-banner{margin-top:8px;}
.sy-banner__img{width:100%;border-radius:20px;box-shadow:0 12px 32px rgba(67,56,202,.12);border:1px solid #E3E2F4;}
.sy-banner__cap{margin-top:14px;text-align:center;font-size:14px;color:#6B6B93;}
.sy-banner__cap strong{color:#4338CA;}

/* ---- 页头（内页） ---- */
.sy-pagehead{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;padding:50px 0 58px;position:relative;overflow:hidden;}
.sy-pagehead::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:#fff;opacity:.12;}
.sy-pagehead__inner{max-width:1160px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.sy-pagehead__title{font-size:32px;font-weight:800;letter-spacing:1px;line-height:1.3;color:#fff;}
.sy-crumb{margin-top:14px;font-size:14px;color:rgba(255,255,255,.85);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.sy-crumb a{color:rgba(255,255,255,.92);}
.sy-crumb a:hover{color:#fff;}
.sy-crumb__sep{color:rgba(255,255,255,.5);}
.sy-crumb__item[aria-current="page"]{color:#fff;font-weight:600;}

/* ---- 文章/正文 ---- */
.sy-post{background:#FFFFFF;border:1px solid #E3E2F4;border-radius:20px;box-shadow:0 12px 32px rgba(67,56,202,.12);padding:40px 44px;}
.sy-post h2{display:flex;align-items:center;gap:10px;margin:34px 0 14px;font-size:22px;font-weight:700;color:#14123A;}
.sy-post h2:first-child{margin-top:0;}
.sy-post h2::before{content:"";width:6px;height:22px;border-radius:3px;background:linear-gradient(135deg,#4F46E5,#4338CA);flex:0 0 auto;}
.sy-post__meta{display:flex;flex-wrap:wrap;gap:16px;color:#6B6B93;font-size:14px;margin:16px 0 22px;padding-bottom:20px;border-bottom:1px solid #E3E2F4;}
.sy-post__thumb{border-radius:14px;margin-bottom:24px;}
.sy-post__body{line-height:1.95;color:#252459;}
.sy-post__body p{margin-bottom:16px;}
.sy-post__body img{border-radius:12px;margin:18px auto;}
.sy-post__body h2,.sy-post__body h3,.sy-post__body h4{color:#14123A;font-weight:700;margin:28px 0 12px;line-height:1.4;}
.sy-post__body h2{font-size:22px;}
.sy-post__body h3{font-size:19px;}
.sy-post__body ul{margin:0 0 16px 1.4em;list-style:disc;}
.sy-post__body ol{margin:0 0 16px 1.4em;list-style:decimal;}
.sy-post__body li{margin-bottom:6px;}
.sy-post__body blockquote{border-left:4px solid #4338CA;background:#F2F1FD;padding:14px 18px;border-radius:0 12px 12px 0;margin:16px 0;color:#252459;}
.sy-post__body a{color:#4338CA;text-decoration:underline;}
.sy-post__body table{width:100%;border-collapse:collapse;margin:16px 0;}
.sy-post__body th,.sy-post__body td{border:1px solid #E3E2F4;padding:10px 12px;}
.sy-post__body th{background:#F2F1FD;}
.sy-post__back{display:inline-flex;align-items:center;gap:6px;margin-top:28px;color:#4338CA;font-weight:600;}

/* ---- 联系我们页 ---- */
.sy-contact{max-width:860px;margin:0 auto;}
.sy-contact__card{padding:42px 44px;}
.sy-contact__name{font-size:24px;font-weight:800;color:#14123A;margin-bottom:16px;}
.sy-contact__list{color:#252459;font-size:15px;line-height:2.1;margin-bottom:20px;}
.sy-contact__phone{border-top:1px dashed #E3E2F4;border-bottom:1px dashed #E3E2F4;padding:20px 0;margin-bottom:20px;text-align:center;}
.sy-contact__label{display:block;color:#6B6B93;font-size:13px;margin-bottom:6px;letter-spacing:2px;}
.sy-contact__tel{font-size:38px;font-weight:800;color:#F59E0B;letter-spacing:1px;}
.sy-contact__tel:hover{color:#4338CA;}
.sy-contact__info{color:#252459;font-size:15px;line-height:2;}

/* ---- 列表页 ---- */
.sy-list{display:flex;flex-direction:column;}
.sy-list__item{display:flex;gap:24px;align-items:flex-start;background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;padding:20px;margin-bottom:20px;box-shadow:0 12px 32px rgba(67,56,202,.12);transition:box-shadow .25s ease,transform .25s ease;}
.sy-list__item:hover{box-shadow:0 18px 40px rgba(0,0,0,.16);transform:translateY(-3px);}
.sy-list__thumb{width:220px;height:132px;object-fit:cover;border-radius:12px;flex:0 0 auto;}
.sy-list__body{flex:1;min-width:0;}
.sy-list__title{font-size:18px;font-weight:700;margin-bottom:8px;}
.sy-list__title a{color:#14123A;}
.sy-list__title a:hover{color:#F59E0B;}
.sy-list__desc{color:#6B6B93;font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sy-list__date{display:inline-block;margin-top:10px;color:#6B6B93;font-size:13px;}
.sy-list__more{margin-left:auto;align-self:center;padding:10px 22px;font-size:14px;}

/* ---- 产品列表网格 ---- */
.sy-prodgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.sy-prod{display:flex;flex-direction:column;}
.sy-prod__img{width:100%;height:200px;object-fit:cover;}
.sy-prod__ph{width:100%;height:200px;background:#F2F1FD;display:flex;align-items:center;justify-content:center;}
.sy-prod__ph svg{width:52px;height:52px;stroke:#F59E0B;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.sy-prod__body{padding:18px 20px;}
.sy-prod__title{font-size:17px;font-weight:700;color:#14123A;margin-bottom:6px;}
.sy-prod__title:hover{color:#F59E0B;}
.sy-prod__desc{color:#6B6B93;font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---- 产品详情页（商品式第一屏 + 侧栏） ---- */
.sy-prodshow{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start;}
.sy-prodshow__main{min-width:0;}
.sy-prodshow__aside{display:flex;flex-direction:column;gap:18px;}
.sy-panel{background:#FFFFFF;border:1px solid #E3E2F4;border-radius:16px;box-shadow:0 12px 32px rgba(67,56,202,.12);padding:22px;}
.sy-panel__title{font-size:16px;font-weight:700;color:#14123A;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.sy-panel__title::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(135deg,#4F46E5,#4338CA);}
.sy-panel__text{color:#252459;font-size:14px;line-height:1.85;}
.sy-pointlist{list-style:none;}
.sy-pointlist li{display:flex;flex-wrap:wrap;gap:4px;padding:9px 0;border-bottom:1px dashed #E3E2F4;font-size:14px;color:#252459;line-height:1.7;}
.sy-pointlist li:last-child{border-bottom:0;}
.sy-pointlist b{color:#14123A;flex:0 0 auto;}
.sy-chips{display:flex;flex-wrap:wrap;gap:8px;}
.sy-chip{display:inline-block;padding:6px 14px;border:1px solid #E3E2F4;border-radius:999px;background:#F2F1FD;color:#4338CA;font-size:13px;font-weight:600;}
.sy-chips--stack{flex-direction:column;align-items:stretch;}
.sy-chip--fact{border-radius:12px;text-align:left;background:#F2F1FD;color:#252459;font-weight:500;line-height:1.6;}

/* ---- 产品详情 · 第一屏商品式 ---- */
.sy-prodhero{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;padding:40px 0 68px;position:relative;overflow:hidden;}
.sy-prodhero::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:#fff;opacity:.12;}
.sy-prodhero__inner{max-width:1160px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.sy-prodhero__card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:20px;box-shadow:0 26px 56px rgba(0,0,0,.2);padding:34px;margin-top:26px;display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:40px;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
.sy-prodhero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;box-shadow:0 16px 36px rgba(0,0,0,.3);}
.sy-prodhero__ph{width:100%;aspect-ratio:4/3;border-radius:16px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;}
.sy-prodhero__ph svg{width:64px;height:64px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.sy-prodhero__kicker{display:inline-block;color:#fff;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;opacity:.9;}
.sy-prodhero__title{font-size:28px;font-weight:800;color:#fff;line-height:1.35;margin-bottom:10px;}
.sy-prodhero__desc{color:rgba(255,255,255,.92);font-size:15px;line-height:1.8;margin-bottom:18px;}
.sy-prodhero__points{margin-bottom:22px;}
.sy-prodhero__points li{border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.95);}
.sy-prodhero__points b{color:#fff;}
.sy-prodhero__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---- 新闻详情 · 右侧最新新闻列表 ---- */
.sy-newsdetail{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start;}
.sy-newsdetail__main{min-width:0;}
.sy-newsdetail__aside{position:sticky;top:96px;}
.sy-newslist{list-style:none;}
.sy-newslist__item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed #E3E2F4;}
.sy-newslist__item:first-child{padding-top:0;}
.sy-newslist__item:last-child{border-bottom:0;}
.sy-newslist__link{flex:1;min-width:0;color:#252459;font-size:14px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sy-newslist__link:hover{color:#F59E0B;}
.sy-newslist__date{flex:0 0 auto;color:#6B6B93;font-size:12px;}
.sy-newslist__more{display:inline-flex;align-items:center;gap:4px;margin-top:12px;font-size:13px;font-weight:600;color:#4338CA;}
.sy-newslist__more::after{content:"→";transition:transform .2s;}
.sy-newslist__more:hover::after{transform:translateX(4px);}

/* ---- 分页（pagesHtml 输出固定类名） ---- */
.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:12px;border:1px solid #E3E2F4;background:#FFFFFF;color:#252459;font-size:14px;}
.pagination a:hover{border-color:#4338CA;color:#F59E0B;background:#F2F1FD;}
.pagination .current{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;border-color:transparent;font-weight:700;}

/* ---- 分站互链（底部） ---- */
.sy-city{background:#F2F1FD;border-top:1px solid #E3E2F4;padding:26px 0;}
.sy-city__inner{max-width:1160px;margin:0 auto;padding:0 24px;display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;}
.sy-city__label{flex:0 0 auto;color:#14123A;font-weight:700;padding-top:6px;}
.sy-city__links{display:flex;flex-wrap:wrap;gap:10px;}
.sy-city__link{display:inline-block;padding:6px 16px;border:1px solid #E3E2F4;border-radius:999px;background:#FFFFFF;color:#252459;font-size:14px;}
.sy-city__link:hover{color:#fff;background:linear-gradient(135deg,#4F46E5,#4338CA);border-color:transparent;}
.sy-city__link--fold{display:none;}
.sy-city__links.sy-citylinks--open .sy-city__link--fold{display:inline-block;}
.sy-city__more{flex:0 0 auto;align-self:flex-start;margin-left:4px;padding:6px 16px;border:1px solid #E3E2F4;border-radius:999px;background:#FFFFFF;color:#4338CA;font-size:14px;cursor:pointer;transition:all .2s;}
.sy-city__more:hover{color:#fff;background:linear-gradient(135deg,#4F46E5,#4338CA);border-color:transparent;}

/* ---- 底部 ---- */
.sy-foot{background:#0B1B2B;color:rgba(255,255,255,.72);font-size:14px;}
.sy-foot__inner{max-width:1160px;margin:0 auto;padding:44px 24px 36px;}
.sy-foot__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12);}
.sy-foot__brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px;}
.sy-foot__text{line-height:1.9;max-width:420px;}
.sy-foot__phone{display:inline-block;margin-top:14px;font-size:22px;font-weight:700;color:#fff;}
.sy-foot__phone:hover{color:rgba(255,255,255,.85);}
.sy-foot__title{color:#fff;font-weight:600;margin-bottom:14px;font-size:15px;}
.sy-foot p{line-height:2;}
.sy-foot a{color:rgba(255,255,255,.72);}
.sy-foot a:hover{color:#fff;}
.sy-foot__copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}
.sy-foot__notice{margin-top:24px;padding:16px 18px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:rgba(255,255,255,.06);font-size:13px;line-height:1.9;color:rgba(255,255,255,.72);}
.sy-foot__notice p{margin-bottom:4px;}
.sy-foot__notice p:last-child{margin-bottom:0;}

/* ---- 移动端拨号栏 ---- */
.sy-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 #E3E2F4;box-shadow:0 -8px 24px rgba(0,0,0,.1);}
.sy-callbar__btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px;border-radius:999px;background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;font-size:16px;font-weight:700;box-shadow:0 10px 24px rgba(0,0,0,.18);}
.sy-callbar__btn:hover{color:#fff;transform:translateY(-1px);}
.sy-callbar__btn svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---- 响应式 ---- */
@media (max-width:960px){
  .sy-nav{display:none;}
  .sy-burger{display:flex;}
  .sy-header__cta{display:none;}
  .sy-about{grid-template-columns:1fr;gap:32px;}
  .sy-about__media{position:static;order:-1;max-width:420px;margin:0 auto;}
  .sy-lines{grid-template-columns:1fr;}
  .sy-prods{grid-template-columns:1fr;}
  .sy-adv{grid-template-columns:1fr;}
  .sy-sectors{grid-template-columns:1fr;}
  .sy-cards{grid-template-columns:repeat(2,1fr);}
  .sy-craft{grid-template-columns:1fr;gap:30px;}
  .sy-timeline{grid-template-columns:1fr;}
  .sy-steps{grid-template-columns:1fr;}
  .sy-nums{grid-template-columns:repeat(2,1fr);}
  .sy-honors{grid-template-columns:repeat(3,1fr);}
  .sy-zone__inner{grid-template-columns:1fr;gap:22px;text-align:center;}
  .sy-zone__pills{justify-content:center;}
  .sy-zone__more{justify-self:center;}
  .sy-foot__cols{grid-template-columns:1fr;gap:28px;}
  .sy-prodgrid{grid-template-columns:repeat(2,1fr);}
  .sy-prodshow{grid-template-columns:1fr;}
  .sy-prodhero__card{grid-template-columns:1fr;gap:24px;padding:24px;}
  .sy-prodhero__title{font-size:24px;}
  .sy-newsdetail{grid-template-columns:1fr;}
  .sy-newsdetail__aside{position:static;}
}
@media (max-width:640px){
  body{padding-bottom:70px;}
  .sy-sec{padding:44px 0;}
  .sy-sec__title{font-size:24px;}
  .sy-showcase{grid-template-columns:repeat(2,1fr);gap:14px;}
  .sy-showcase__img{height:150px;}
  .sy-cards{grid-template-columns:1fr;}
  .sy-list__item{flex-direction:column;gap:14px;}
  .sy-list__thumb{width:100%;height:auto;aspect-ratio:16/9;}
  .sy-list__more{margin-left:0;align-self:flex-start;}
  .sy-post{padding:24px 20px;}
  .sy-pagehead__title{font-size:25px;}
  .sy-contact__card{padding:28px 22px;}
  .sy-callbar{display:block;}
}

/* ---- 首页 Hero（大字口号首屏） ---- */
.sy-hero{background:linear-gradient(135deg,#4F46E5,#4338CA);color:#fff;text-align:center;position:relative;overflow:hidden;}
.sy-hero::before{content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:#fff;opacity:.1;}
.sy-hero__inner{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:92px 24px 100px;}
.sy-hero__badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:999px;padding:6px 18px;font-size:14px;font-weight:700;letter-spacing:1px;margin-bottom:20px;}
.sy-hero__title{font-size:56px;line-height:1.1;font-weight:800;letter-spacing:2px;color:#fff;margin-bottom:12px;}
.sy-hero__lead{font-size:20px;font-weight:600;color:rgba(255,255,255,.92);margin-bottom:16px;}
.sy-hero__sub{font-size:16px;line-height:1.95;color:rgba(255,255,255,.88);max-width:660px;margin:0 auto 16px;}
.sy-hero__meta{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92);font-weight:600;margin-bottom:28px;}
.sy-hero__meta::before{content:"";width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.3);}
.sy-hero__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}