/* =========================================================
   脉联（重庆）医疗科技有限公司 · 官网样式
   ========================================================= */
:root{
  --c-blue:#0d7fb8;         /* 主色 医疗蓝 */
  --c-blue-d:#0a5f96;
  --c-teal:#12b5a5;         /* 辅色 生态青 */
  --c-navy:#06243f;         /* 深海军蓝 */
  --c-navy-2:#0a2f52;
  --grad-main:linear-gradient(115deg,#0d7fb8 0%,#1aa3c7 55%,#12b5a5 100%);
  --text:#16324a;
  --text-2:#526a80;
  --muted:#7c91a3;
  --bg-soft:#f3f7fb;
  --line:#e4ecf3;
  --white:#fff;
  --radius:16px;
  --shadow-sm:0 6px 18px rgba(9,60,100,.07);
  --shadow-md:0 14px 34px rgba(9,60,100,.12);
  --shadow-lg:0 24px 60px rgba(9,60,100,.18);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:#fff;line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
em{font-style:normal}
::selection{background:rgba(13,127,184,.18)}
.container{width:min(1200px,92%);margin-inline:auto}
.section{padding:92px 0;scroll-margin-top:118px}
i[data-icon],span[data-icon]{display:inline-flex;align-items:center;justify-content:center;flex:none}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 图标按钮视觉（通用圆底） ---------- */
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.3;letter-spacing:.5px;margin:12px 0 14px;color:var(--c-navy)}
.section-head>p{color:var(--text-2);font-size:16.5px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:3px;font-weight:600;color:var(--c-blue);background:rgba(13,127,184,.08);padding:7px 16px;border-radius:999px;text-transform:uppercase}
.section-head.light .eyebrow{color:#7fd4f6;background:rgba(127,212,246,.12)}
.section-head.light h2{color:#fff}
.head-sm{margin-bottom:36px}

/* =========================================================
   顶部栏 + 导航
   ========================================================= */
.topbar{background:var(--c-navy);color:#bcd3e4;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:16px}
.tb-item{display:inline-flex;align-items:center;gap:7px}
.tb-item i{color:#37c7e0}
.tb-links{display:flex;gap:22px}
.tb-links a{display:inline-flex;align-items:center;gap:6px;transition:color .25s}
.tb-links a:hover{color:#fff}
.tb-links i{color:#37c7e0}

.navbar{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);position:sticky;top:0;z-index:60;transition:box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
body.scrolled .navbar{box-shadow:0 8px 26px rgba(6,36,63,.1);border-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand-img{height:46px;width:auto;display:block}
.brand-light .brand-img{height:46px}
.brand-mark{width:44px;height:44px;border-radius:12px;background:var(--grad-main);color:#fff;font-size:26px;box-shadow:0 8px 18px rgba(13,127,184,.3)}
.brand-mark svg{width:26px;height:26px}
.brand-mark--img{width:auto;height:44px;background:none!important;box-shadow:none!important;color:transparent;padding:0;border-radius:0;display:flex;align-items:center;justify-content:center}
.brand-mark--img img{height:44px;width:auto;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:21px;font-weight:800;color:var(--c-navy);letter-spacing:1px}
.brand-text em{color:var(--c-blue);font-style:normal}
.brand-text small{font-size:9.5px;font-weight:600;letter-spacing:2.4px;color:var(--muted)}
.brand-light .brand-text{color:#fff}
.brand-light .brand-text small{color:#8fb1cc}
.brand-light .brand-mark{box-shadow:none}

.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{padding:9px 15px;border-radius:10px;font-weight:500;color:var(--text-2);position:relative;transition:color .25s,background .25s}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2.5px;border-radius:2px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav-link:hover,.nav-link.active{color:var(--c-blue)}
.nav-link.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;font-size:24px;color:var(--c-navy);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}

/* =========================================================
   按钮
   ========================================================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:15.5px;line-height:1.2;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;white-space:nowrap}
.btn svg{width:1.1em;height:1.1em;transition:transform .3s}
.btn:hover svg{transform:translateX(3px)}
.btn-lg{padding:14px 30px;font-size:16.5px;border-radius:14px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-primary{color:#fff;background:var(--grad-main);background-size:160% 100%;box-shadow:0 10px 22px rgba(13,127,184,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(13,127,184,.42);background-position:100% 0}
.btn-ghost{color:#fff;border:1.5px solid rgba(255,255,255,.55);background:rgba(255,255,255,.06);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-outline{color:var(--c-blue);border:1.5px solid var(--c-blue);background:transparent}
.btn-outline:hover{background:var(--c-blue);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;color:#fff;background:var(--c-navy);padding:0 0 0;scroll-margin-top:0}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;opacity:.4}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(4,24,45,.96) 8%,rgba(4,24,45,.82) 45%,rgba(6,46,74,.35) 100%)}
.hero-inner{position:relative;display:flex;align-items:center;min-height:82vh;padding:72px 0 40px}
.hero-copy{max-width:720px;padding:20px 0 40px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.htag{font-size:13px;font-weight:500;letter-spacing:.6px;padding:7px 15px;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.hero h1{font-size:clamp(34px,5.4vw,60px);line-height:1.22;letter-spacing:1px;font-weight:800;margin-bottom:20px}
.hero h1 .grad-text{font-size:clamp(20px,2.6vw,32px);font-weight:700;letter-spacing:.5px;white-space:nowrap;display:inline-block;margin-top:6px}
.grad-text{background:linear-gradient(92deg,#5fd4f2,#3be0c6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy>p{font-size:17.5px;color:#cfe2f0;max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#d6e8f4}
.hero-points i{color:#3be0c6;font-size:16px}
.hero-points i svg{fill:rgba(59,224,198,.15)}

/* 数据带 */
.hero-stats{position:relative;background:linear-gradient(180deg,rgba(6,32,56,0),rgba(4,22,42,.85));padding:26px 0 0}
.stats-band{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:30px 26px;backdrop-filter:blur(10px)}
.stat{text-align:center;border-right:1px solid rgba(255,255,255,.12);padding:4px 10px}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;background:linear-gradient(92deg,#fff,#8fe7f7);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat span{font-size:14px;color:#a9c6da}

/* =========================================================
   伙伴领域条
   ========================================================= */
.partners{background:var(--bg-soft);padding:30px 0;border-bottom:1px solid var(--line)}
.partners-title{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:14px;margin-bottom:20px}
.partners-title i{color:var(--c-teal)}
.partners-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partners-grid span{display:flex;flex-direction:column;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 8px;font-size:13.5px;color:var(--text-2);font-weight:500;transition:transform .25s,box-shadow .25s,color .25s,border-color .25s}
.partners-grid span:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);color:var(--c-blue);border-color:#bfe0f2}
.partners-grid span i{font-size:27px;color:var(--c-blue)}
.partners-grid span svg{width:27px;height:27px}

/* =========================================================
   About
   ========================================================= */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;margin-bottom:70px}
.about-media{position:relative}
.about-photo{aspect-ratio:4/3.2;border-radius:22px;background-size:cover;background-position:center;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.about-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,transparent 55%,rgba(6,36,63,.5))}
.about-badge-card{position:absolute;left:-16px;bottom:26px;display:flex;gap:12px;align-items:center;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:14px 18px;max-width:300px}
.badge-ico{width:44px;height:44px;border-radius:12px;background:linear-gradient(140deg,#0d7fb8,#12b5a5);color:#fff;font-size:23px}
.about-badge-card b{display:block;font-size:15px;color:var(--c-navy);line-height:1.4}
.about-badge-card small{color:var(--muted);font-size:12px;line-height:1.5}
.about-copy h3{font-size:clamp(22px,2.6vw,30px);color:var(--c-navy);margin-bottom:16px;line-height:1.4}
.about-copy p{color:var(--text-2);margin-bottom:18px}
.about-copy p b{color:var(--c-blue);font-weight:600}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:10px 0 28px}
.about-list li{display:flex;align-items:flex-start;gap:9px;font-size:15px;color:var(--text-2);font-weight:500}
.about-list li i{flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:rgba(18,181,165,.14);color:#0b9d90;font-size:11px}
.about-list li i svg{width:11px;height:11px}

/* 企业价值卡 */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:70px}
.value-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;transition:transform .3s,box-shadow .3s,background .3s}
.value-card:hover{background:#fff;box-shadow:var(--shadow-md);transform:translateY(-6px)}
.value-card>span{width:54px;height:54px;border-radius:15px;background:linear-gradient(140deg,#0d7fb8,#12b5a5);color:#fff;font-size:27px;margin-bottom:16px;box-shadow:0 8px 16px rgba(13,127,184,.22)}
.value-card svg{width:27px;height:27px}
.value-card h4{font-size:18px;color:var(--c-navy);margin-bottom:8px}
.value-card p{font-size:14.5px;color:var(--text-2)}

/* 文化 + 资质 */
.about-extra{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:70px}
.extra-card{background:linear-gradient(150deg,#f8fcff,#eef6fb);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.extra-card h3{display:flex;align-items:center;gap:9px;font-size:19px;color:var(--c-navy);margin-bottom:18px}
.extra-card h3 i{color:var(--c-blue);font-size:21px}
.ec-row{display:flex;gap:16px;padding:11px 0;border-bottom:1px dashed #d4e4ef;font-size:15px}
.ec-row:last-child{border-bottom:none}
.ec-row b{flex:none;width:64px;color:var(--c-blue);font-weight:600}
.ec-row span{color:var(--text-2)}
.cert-list li{display:flex;align-items:center;gap:9px;padding:6px 0;font-size:15px;color:var(--text-2)}
.cert-list li i{color:#0b9d90;font-size:16px}
.cert-list li svg{width:16px;height:16px}

/* 发展历程 */
.timeline{background:var(--bg-soft);border-radius:24px;padding:54px 26px 40px}
.tl-wrap{display:grid;grid-template-columns:repeat(7,1fr);position:relative;gap:10px}
.tl-wrap::before{content:"";position:absolute;left:6px;right:6px;top:132px;height:3px;border-radius:1.5px;background:linear-gradient(90deg,#0d7fb8 0%,#12b5a5 100%);z-index:1}
.tl-wrap::after{content:"";position:absolute;right:-14px;top:124px;width:24px;height:18px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 18' fill='none' stroke='%2312b5a5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='2,2 21,9 2,16'/></svg>") no-repeat center/contain}
.tl-item{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 6px}
.tl-item::before{display:none}
.tl-top{width:100%;height:88px;padding-top:30px;box-sizing:border-box;display:flex;align-items:flex-start;justify-content:center}
.tl-bot{width:100%;padding:38px 4px 0}
.tl-num{position:relative;z-index:2;margin:0 auto;width:88px;height:88px;border-radius:50%;background:linear-gradient(150deg,#0d7fb8,#12b5a5);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16.5px;font-weight:800;letter-spacing:.5px;border:3px solid #fff;box-shadow:0 10px 24px rgba(13,127,184,.28)}
.tl-num::before{content:"";position:absolute;left:50%;transform:translateX(-50%);width:2px;height:16px;background:repeating-linear-gradient(180deg,#12b5a5 0 5px,transparent 5px 8px);bottom:calc(100% + 10px)}
.tl-num::after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:2px;height:16px;background:repeating-linear-gradient(180deg,#12b5a5 0 5px,transparent 5px 8px);top:calc(100% + 10px)}
.tl-num--deep{background:linear-gradient(150deg,#0a5884,#0c8774)}

.tl-top h5{font-size:14.5px;color:var(--c-navy);font-weight:700;line-height:1.4;margin:0;white-space:nowrap}
.tl-bot p{font-size:13px;color:var(--c-navy);line-height:1.55;margin:0;font-weight:500}

/* =========================================================
   Products
   ========================================================= */
.products{background:var(--bg-soft)}
.filter-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px}
.ftab{padding:10px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:500;color:var(--text-2);transition:all .25s}
.ftab:hover{color:var(--c-blue);border-color:#a9d6ee}
.ftab.active{color:#fff;background:var(--grad-main);border-color:transparent;box-shadow:0 8px 18px rgba(13,127,184,.28)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:24px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s;animation:fadeUp .45s ease both}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.p-art{position:relative;height:196px;background:linear-gradient(140deg,var(--a1),var(--a2));display:flex;align-items:center;justify-content:center;overflow:hidden}
.p-art::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 1.6px,transparent 1.6px);background-size:20px 20px;opacity:.5}
.p-art::after{content:"";position:absolute;right:-44px;top:-44px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.14)}
.p-art .art-ico{font-size:64px;color:#fff;filter:drop-shadow(0 12px 20px rgba(6,36,63,.28));position:relative;z-index:2}
.p-art .art-ico svg{width:64px;height:64px}
.art-wave{position:absolute;left:0;right:0;bottom:12px;height:34px;z-index:1;color:rgba(255,255,255,.85)}
.art-wave svg{width:100%;height:100%;stroke-width:2}
/* 使用产品实拍图的卡片顶部：图片铺满且不拉伸，隐藏原渐变装饰层，角标仍悬浮最上层 */
.p-art--img{background:transparent}
.p-art--img::before,.p-art--img::after{display:none}
.p-art-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:1}
/* 完整显示产品图（不裁切、四周留白缩小居中），适用于需整图展示的卡片；
   multiply 混合让白底产品图与白卡无缝融合，消除图片与界面的分界色 */
.p-art--contain{background:transparent}
.p-art--contain .p-art-img{object-fit:contain;padding:6px 8px;mix-blend-mode:multiply}
/* 卡片一/二/三：产品图按原样展示。此前调试用的伪元素阴影层（含卡片三单独覆盖）已整体移除，
   图片、白底板恢复为未加阴影时的状态，不再有任何额外叠加。*/
.p-cat{position:absolute;top:14px;left:14px;z-index:2;font-size:12px;color:#fff;background:rgba(6,36,63,.3);backdrop-filter:blur(4px);padding:4px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.35)}
.p-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.p-body h3{font-size:17px;line-height:1.35;color:var(--c-navy);word-break:keep-all;text-wrap:balance}
.p-body h3.p-title-sm{font-size:15.5px;line-height:1.32;word-break:break-word;overflow-wrap:anywhere;text-wrap:wrap}
.p-model{font-size:13px;color:var(--muted)}
.p-brief{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.p-tags{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 10px}
.p-tags span{font-size:12px;color:var(--c-blue-d);background:rgba(13,127,184,.08);border-radius:7px;padding:3px 9px}
.pcard .btn{margin-top:auto;align-self:flex-start}
.products-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;color:var(--muted);font-size:14.5px}
.products-note i{color:var(--c-blue)}
.products-note a{color:var(--c-blue);font-weight:600;border-bottom:1px dashed var(--c-blue)}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* =========================================================
   Why
   ========================================================= */
.why{background:radial-gradient(120% 120% at 0% 0%,var(--c-navy-2) 0%,var(--c-navy) 55%,#04182d 100%);position:relative;overflow:hidden}
.why::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1.5px,transparent 1.5px);background-size:26px 26px}
.why .container{position:relative}
.why-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.why-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:30px 24px;transition:transform .3s,background .3s,border-color .3s}
.why-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);transform:translateY(-6px)}
.why-card>span{width:56px;height:56px;border-radius:16px;background:linear-gradient(140deg,rgba(95,212,242,.9),rgba(59,224,198,.9));color:#04304a;font-size:27px;margin-bottom:18px}
.why-card svg{width:28px;height:28px}
.why-card h4{font-size:19px;color:#fff;margin-bottom:8px}
.why-card p{font-size:14.5px;color:#b9d2e4}

/* =========================================================
   Coop
   ========================================================= */
.coop{background:#fff}
.coop-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:980px;margin:0 auto 66px}
.cmode{background:var(--bg-soft);border:1px solid var(--line);border-radius:18px;padding:28px 22px;position:relative;transition:transform .3s,box-shadow .3s,background .3s}
.cmode:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);background:#fff}
.cmode>span{width:54px;height:54px;border-radius:15px;background:#fff;color:var(--c-blue);font-size:27px;margin-bottom:16px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.cmode svg{width:27px;height:27px}
.cmode h4{font-size:18px;color:var(--c-navy);margin-bottom:8px}
.cmode p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.link-more{font-size:14px;color:var(--c-blue);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.link-more svg{width:.9em;height:.9em;transition:transform .25s}
.link-more:hover svg{transform:translateX(3px)}

.flow{margin-bottom:66px;background:var(--bg-soft);border-radius:22px;padding:36px 4%}
.flow-title{display:flex;align-items:center;gap:9px;font-size:22px;color:var(--c-navy);margin-bottom:30px}
.flow-title i{color:var(--c-blue)}
.flow-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;counter-reset:flow}
.fstep{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px 16px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s}
.fstep:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#bfe0f2}
.fstep i{display:block;width:42px;height:42px;line-height:42px;margin:0 auto 12px;border-radius:50%;font-style:normal;background:var(--grad-main);color:#fff;font-weight:700;font-size:15px;box-shadow:0 8px 16px rgba(13,127,184,.25)}
.fstep b{display:block;font-size:15px;color:var(--c-navy);margin-bottom:5px}
.fstep p{font-size:12.5px;color:var(--muted)}

.coop-panel{display:grid;grid-template-columns:.85fr 1.15fr;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-md)}
.cp-side{background:linear-gradient(160deg,var(--c-navy),#0a3358 80%);color:#fff;padding:40px 34px;display:flex;flex-direction:column}
.cp-side h3{font-size:22px;margin-bottom:14px}
.big-phone{display:inline-flex;align-items:center;gap:12px;font-size:30px;font-weight:800;color:#4fe0c8;letter-spacing:1px}
.big-phone i{font-size:26px}
.big-phone svg{width:26px;height:26px}
.cp-side .muted{color:#9fc0d8;font-size:13.5px;margin-top:6px}
.dark-list li{color:#d7e8f3}
.cp-form{background:#fff;padding:40px 36px}
.cp-form h3{font-size:20px;color:var(--c-navy);margin-bottom:24px;line-height:1.5}

/* 表单 */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:16px;text-align:left}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.field label em{color:#e2555d}
.field input,.field select,.field textarea{width:100%;border:1px solid #d7e3ec;border-radius:11px;padding:11px 14px;background:#fbfdff;transition:border-color .25s,box-shadow .25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-blue);box-shadow:0 0 0 3px rgba(13,127,184,.12);background:#fff}
.field textarea{resize:vertical;min-height:78px}
.form-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);max-width:400px;line-height:1.6}
.agree input{margin-top:3px;accent-color:var(--c-blue)}

/* =========================================================
   Service
   ========================================================= */
.service{background:var(--bg-soft)}
.svc-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:60px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 22px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.svc-card::before{content:"";position:absolute;left:0;top:0;height:5px;width:100%;background:var(--grad-main)}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.svc-card>span{width:54px;height:54px;border-radius:15px;background:linear-gradient(140deg,#0d7fb8,#12b5a5);color:#fff;font-size:27px;margin-bottom:15px}
.svc-card svg{width:27px;height:27px}
.svc-card h4{font-size:17.5px;color:var(--c-navy);margin-bottom:4px}
.svc-card b{display:block;font-size:14px;color:var(--c-teal);font-weight:700;margin-bottom:8px}
.svc-card p{font-size:13.5px;color:var(--text-2)}

.svc-flow{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:60px;align-items:start}
.sf-col{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
.sf-col h3{display:flex;align-items:center;gap:9px;font-size:20px;color:var(--c-navy);margin-bottom:22px}
.sf-col h3 i{color:var(--c-blue)}
.sf-steps{display:grid;gap:18px}
.sstep{display:flex;gap:16px;align-items:flex-start;position:relative;padding-bottom:18px}
.sstep::after{content:"";position:absolute;left:17px;top:42px;bottom:0;width:2px;background:linear-gradient(#bfe0f2,transparent)}
.sstep:last-child::after{display:none}
.ss-no{flex:none;width:36px;height:36px;border-radius:50%;background:var(--grad-main);color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(13,127,184,.25)}
.sstep b{display:block;color:var(--c-navy);font-size:16px;margin:4px 0 3px}
.sstep p{font-size:14px;color:var(--text-2)}
.policy-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed #e2ecf3}
.policy-list li:last-child{border-bottom:none}
.policy-list i{color:var(--c-blue);margin-top:4px;font-size:12px}
.policy-list svg{width:12px;height:12px}
.policy-list b{display:block;color:var(--c-navy);font-size:15px}
.policy-list p{font-size:13.5px;color:var(--text-2)}

.faq{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 36px;max-width:940px;margin-inline:auto}
.faq h3{display:flex;align-items:center;gap:9px;font-size:21px;color:var(--c-navy);margin-bottom:18px}
.faq h3 i{color:var(--c-blue)}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fbfdff;transition:box-shadow .25s}
.faq-item[open]{box-shadow:var(--shadow-sm);border-color:#bfe0f2}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 18px;cursor:pointer;font-weight:600;color:var(--text);font-size:15.5px;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--c-blue);font-size:15px;transition:transform .3s;flex:none}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{padding:2px 18px 16px;color:var(--text-2);font-size:14.5px}

/* =========================================================
   Contact
   ========================================================= */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
.contact-info{display:flex;flex-direction:column;gap:14px}
.ci-row{display:flex;gap:15px;align-items:center;background:var(--bg-soft);border:1px solid var(--line);border-radius:15px;padding:16px 18px;transition:transform .25s,box-shadow .25s}
.ci-row:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.ci-row>span{width:46px;height:46px;border-radius:13px;background:linear-gradient(140deg,#0d7fb8,#12b5a5);color:#fff;font-size:21px;flex:none}
.ci-row svg{width:21px;height:21px}
.ci-row b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:1px}
.ci-row a{font-size:16.5px;color:var(--c-navy);font-weight:700}
.ci-row p{font-size:14.5px;color:var(--text-2)}
.ci-map{flex:1;min-height:150px;border-radius:15px;border:1px dashed #b9d8ea;background:linear-gradient(150deg,#f2f9fe,#eaf6fb);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--c-blue);text-align:center;position:relative;overflow:hidden;cursor:pointer;text-decoration:none}
.ci-map-link:hover{border-color:#7abde0;background:linear-gradient(150deg,#e7f1fa,#dbeefa);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.ci-map-link:hover .ci-map-nav{transform:translateY(-1px);box-shadow:0 10px 20px rgba(13,127,184,.35)}
.ci-map-nav{display:inline-flex;align-items:center;gap:4px;margin-top:6px;padding:5px 14px;border-radius:999px;background:var(--grad-main);color:#fff;font-style:normal;font-size:12.5px;font-weight:600;letter-spacing:.5px;box-shadow:0 6px 14px rgba(13,127,184,.28);transition:transform .25s,box-shadow .25s}
.ci-addr-link{display:inline-flex;align-items:center;gap:5px;font-size:16.5px;color:var(--c-navy);font-weight:700;text-decoration:none;transition:color .2s}
.ci-addr-link::after{content:"›";font-size:20px;line-height:1;color:var(--c-teal);transition:transform .2s}
.ci-addr-link:hover{color:var(--c-blue)}
.ci-addr-link:hover::after{transform:translateX(3px)}
.ci-map::before{content:"";position:absolute;width:200px;height:200px;border-radius:50%;border:2px solid rgba(13,127,184,.15);top:-70px;right:-60px}
.ci-map::after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;border:2px solid rgba(13,127,184,.12);bottom:-60px;left:-50px}
.ci-map i{font-size:40px;filter:drop-shadow(0 10px 14px rgba(13,127,184,.3));position:relative}
.ci-map svg{width:40px;height:40px}
.ci-map span{font-size:14px;font-weight:500;position:relative;color:#2a6a96;line-height:1.8}
.contact-form{background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:34px}
.contact-form h3{font-size:21px;color:var(--c-navy);margin-bottom:22px}

/* =========================================================
   Footer
   ========================================================= */
.footer{background:var(--c-navy);color:#a9c4d8;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:60px 0 44px}
.f-brand p{font-size:14.5px;margin:18px 0 16px;line-height:1.9}
.f-honor{display:flex;flex-wrap:wrap;gap:10px}
.f-honor span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 12px;color:#cfdbe6}
.f-honor i{color:#4fe0c8}
.f-col{display:flex;flex-direction:column;gap:12px}
.f-col h4{color:#fff;font-size:16px;margin-bottom:8px;letter-spacing:1px}
.f-col a{font-size:14.5px;transition:color .25s,padding-left .25s;width:fit-content}
.f-col a:hover{color:#4fe0c8;padding-left:6px}
.f-addr{font-size:14.5px;line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f9cb4}
.icp{letter-spacing:.5px}

/* =========================================================
   返回顶部 / Toast / 弹窗
   ========================================================= */
.to-top{position:fixed;right:22px;bottom:26px;z-index:70;width:48px;height:48px;border-radius:14px;background:var(--grad-main);color:#fff;font-size:22px;box-shadow:0 10px 22px rgba(13,127,184,.36);opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}

.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,140%);z-index:120;display:flex;align-items:center;gap:12px;background:#0c2c4a;color:#fff;padding:14px 24px;border-radius:14px;box-shadow:var(--shadow-lg);transition:transform .4s cubic-bezier(.2,.9,.3,1.2);max-width:88vw;border:1px solid rgba(255,255,255,.12)}
.toast.show{transform:translate(-50%,0)}
.toast-ico{width:28px;height:28px;border-radius:50%;background:rgba(59,224,198,.18);color:#3be0c6;font-size:15px;flex:none}
.toast p{font-size:14.5px}

.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;visibility:hidden;opacity:0;transition:opacity .3s}
.modal.open{visibility:visible;opacity:1}
.modal-mask{position:absolute;inset:0;background:rgba(4,22,42,.66);backdrop-filter:blur(4px)}
.modal-dialog{position:relative;width:min(880px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:22px;transform:translateY(26px) scale(.98);transition:transform .35s cubic-bezier(.2,.9,.3,1.1)}
.modal.open .modal-dialog{transform:none}
.modal-close{position:absolute;top:14px;right:14px;z-index:5;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--c-navy);font-size:20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;transition:transform .25s,background .25s}
.modal-close:hover{transform:rotate(90deg);background:#fff}
.modal-body{display:grid;grid-template-columns:1fr 1.15fr}

/* 弹窗内产品内容 */
.pm-media{position:relative;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,var(--a1),var(--a2));overflow:hidden;padding:30px}
.pm-media::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1.6px,transparent 1.6px);background-size:22px 22px;opacity:.5}
.pm-art-ico{font-size:110px;color:#fff;filter:drop-shadow(0 16px 26px rgba(6,36,63,.3));position:relative}
.pm-art-ico svg{width:110px;height:110px}
.pm-cat{position:absolute;top:18px;left:18px;font-size:12px;color:#fff;background:rgba(6,36,63,.3);border:1px solid rgba(255,255,255,.35);padding:5px 12px;border-radius:999px;z-index:2}
/* 详情弹窗左侧带产品实拍图：白底 contain 展示，与卡片白底风格一致 */
.pm-media--img{background:#fff}
.pm-media--img::before{display:none}
.pm-media-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:26px 30px;mix-blend-mode:multiply;background:#fff;z-index:1}
.pm-info{padding:34px 34px 30px}
.pm-info h3{font-size:24px;color:var(--c-navy)}
.pm-model{color:var(--muted);font-size:14px;margin:4px 0 14px}
.pm-desc{color:var(--text-2);font-size:15px;margin-bottom:18px}
.pm-sub{display:flex;align-items:center;gap:8px;font-size:15.5px;color:var(--c-navy);font-weight:700;margin:14px 0 10px}
.pm-sub i{color:var(--c-teal);font-size:17px}
.pm-sub svg{width:17px;height:17px}
.pm-spec{display:flex;flex-direction:column;gap:8px}
.pm-spec li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);background:var(--bg-soft);border-radius:9px;padding:8px 12px}
.pm-spec li i{color:#0b9d90;flex:none;margin-top:3px;font-size:13px}
.pm-spec li svg{width:13px;height:13px}
.pm-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
/* 详情弹窗顶部新增的产品卡（同产品列表样式，图片暂用渐变+图标占位） */
.pm-card-wrap{grid-column:1/-1;display:flex;justify-content:center;padding:26px 26px 0}
.pm-card-wrap .pcard{width:min(380px,100%);animation:none}
.pm-card-wrap .pcard:hover{transform:none;box-shadow:none}
/* 产品系列型号选择（二级页面） */
.modal-body--block{display:block}
.pm-family{padding:36px 36px 42px}
.pm-family-title{font-size:23px;color:var(--c-navy);text-align:center;margin-bottom:6px}
.pm-family-sub{color:var(--muted);font-size:14px;text-align:center;margin:0 0 28px}
.pm-family-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.pm-family-grid .pcard{width:100%;box-shadow:var(--shadow-sm)}

/* =========================================================
   滚动显现动画
   ========================================================= */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1100px){
  .stats-band{grid-template-columns:repeat(3,1fr);gap:22px 10px}
  .stat{border-right:none}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .coop-modes{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(3,1fr)}
  .svc-cards{grid-template-columns:repeat(2,1fr)}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .tl-wrap{grid-template-columns:repeat(4,1fr);row-gap:40px}
  .tl-wrap::before{display:none}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .section{padding:70px 0;scroll-margin-top:88px}
  .topbar-inner{justify-content:center}
  .tb-links{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .about-badge-card{left:10px}
  .coop-panel{grid-template-columns:1fr}
  .svc-flow{grid-template-columns:1fr}
  .modal-body{grid-template-columns:1fr}
  .pm-media{min-height:220px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;top:0;right:0;bottom:0;width:min(78vw,340px);flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:88px 24px 30px;box-shadow:-16px 0 40px rgba(6,36,63,.16);transform:translateX(100%);transition:transform .35s ease;z-index:80;overflow:auto}
  body.menu-open .nav-menu{transform:none}
  .nav-menu .nav-link{padding:13px 14px;border-radius:12px;font-size:17px}
  .nav-link::after{display:none}
  .nav-menu .btn{margin-top:14px;justify-content:center}
  .nav-toggle{position:relative;z-index:90;transition:color .25s}
  body.menu-open .nav-toggle{color:var(--c-blue);border-color:var(--c-blue)}
  .hero-inner{min-height:auto}
}
@media (max-width:680px){
  .section{padding:56px 0;scroll-margin-top:74px}
  .container{width:92%}
  .navbar .container{min-height:62px}
  .topbar{display:none}
  .pm-family-grid{grid-template-columns:1fr}
  .pm-family{padding:26px 18px 30px}
  .section-head{margin-bottom:36px}
  .value-grid,.why-grid,.coop-modes,.svc-cards,.stats-band,.about-extra{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr 1fr}
  .flow-steps,.tl-wrap{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr;gap:0}
  .about-list{grid-template-columns:1fr}
  .about-photo{aspect-ratio:4/3.4}
  .hero h1{font-size:32px}
  .hero-copy>p{font-size:15.5px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
  .modal{padding:12px;align-items:flex-end}
  .modal-dialog{max-height:92vh;border-radius:20px 20px 0 0}
  .pm-info{padding:24px 20px}
  .faq{padding:26px 18px}
  .sf-col,.cp-form,.contact-form{padding:24px 20px}
  .cp-side{padding:30px 22px}
  .to-top{right:14px;bottom:16px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}