/* =========================================================
   中科视光 · 官方网站 设计系统
   品牌：医疗信赖(青绿) + 科技(深蓝) + 温度(琥珀)
   ========================================================= */
:root{
  --c-ink:#0c1b2a;
  --c-bg:#ffffff;
  --c-bg-soft:#f3f8f8;
  --c-bg-tint:#eaf6f5;
  --c-dark:#0a1622;
  --c-dark-2:#0f2233;
  --c-text:#1f2d3a;
  --c-muted:#5b6b78;
  --c-line:#e3ebee;

  --c-brand:#0ea5a4;          /* 主青绿 */
  --c-brand-2:#06b6d4;        /* 科技青 */
  --c-brand-deep:#0b6e6d;
  --c-accent:#f59e0b;         /* 温度琥珀 */
  --c-accent-2:#fb7185;       /* 关怀玫红 */

  --grad-brand:linear-gradient(135deg,#0ea5a4 0%,#06b6d4 100%);
  --grad-hero:linear-gradient(135deg,#08323a 0%,#0b5563 45%,#0a7d86 100%);
  --grad-accent:linear-gradient(135deg,#f59e0b,#fb7185);

  --radius:16px;
  --radius-lg:26px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(12,27,42,.06);
  --shadow:0 14px 40px rgba(11,90,99,.12);
  --shadow-lg:0 30px 70px rgba(8,50,58,.18);
  --maxw:1200px;
  --nav-h:68px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
section{position:relative}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--c-muted)}
.center{text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(14,165,164,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,165,164,.45)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:#fff;color:var(--c-brand-deep);border-color:var(--c-brand)}
.btn-outline:hover{background:var(--c-bg-tint);transform:translateY(-2px)}
.btn-dark{background:var(--c-ink);color:#fff}
.btn-dark:hover{background:#1b3346;transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:16px}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;
  background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:.3s;
}
.nav.scrolled{background:rgba(255,255,255,.94);border-color:var(--c-line);box-shadow:var(--shadow-sm)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:var(--c-ink);letter-spacing:.5px}
.logo .mark{width:38px;height:38px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 8px 18px rgba(14,165,164,.4)}
.logo .mark svg{width:22px;height:22px}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--c-muted);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{font-size:15px;color:var(--c-text);padding:9px 14px;border-radius:10px;font-weight:500;transition:.2s}
.nav-links a:hover{background:var(--c-bg-soft);color:var(--c-brand-deep)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--c-ink);margin:5px auto;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:calc(var(--nav-h) + 70px) 0 90px;background:var(--grad-hero);color:#fff;overflow:hidden}
.hero-glow{position:absolute;inset:0;overflow:hidden}
.hero-glow::before,.hero-glow::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.hero-glow::before{width:560px;height:560px;background:radial-gradient(circle,#0ea5a4,transparent 70%);top:-180px;right:-120px}
.hero-glow::after{width:480px;height:480px;background:radial-gradient(circle,#06b6d4,transparent 70%);bottom:-220px;left:-120px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 15px;border-radius:999px;font-size:13px;margin-bottom:22px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(245,158,11,.25)}
.hero h1{font-size:50px;line-height:1.18;font-weight:800;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(120deg,#5eead4,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.82);margin:22px 0 32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:46px}
.hero-stats .s b{font-size:30px;font-weight:800;display:block;background:linear-gradient(120deg,#fff,#9ff3ec);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .s span{font-size:13px;color:rgba(255,255,255,.7)}
.hero-visual{position:relative}
.hero-visual .device{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:18px;backdrop-filter:blur(8px);box-shadow:var(--shadow-lg)}
.hero-visual .float-card{position:absolute;background:#fff;color:var(--c-ink);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);font-size:13px;font-weight:600;display:flex;align-items:center;gap:10px;animation:floaty 5s ease-in-out infinite}
.hero-visual .fc1{top:-18px;left:-26px}
.hero-visual .fc2{bottom:30px;right:-30px;animation-delay:1.5s}
.hero-visual .fc3{bottom:-22px;left:30px;animation-delay:3s}
.hero-visual a.float-card{cursor:pointer;text-decoration:none;transition:box-shadow var(--dur-base,.25s) var(--ease-out,ease),border-color var(--dur-base,.25s) var(--ease-out,ease)}
.hero-visual a.float-card:hover{box-shadow:var(--shadow-lg);border-color:rgba(14,165,164,.45)}
.hero-visual a.float-card:hover .ic{background:var(--c-brand);color:#fff}
.float-card .ic{width:32px;height:32px;border-radius:9px;background:var(--c-bg-tint);display:grid;place-items:center;color:var(--c-brand)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- 信任条 ---------- */
.trust{background:var(--c-dark);color:#fff;padding:26px 0}
.trust .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.trust .label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:1px}
.trust .logos{display:flex;gap:30px;flex-wrap:wrap;align-items:center;opacity:.85;font-weight:700;font-size:15px;letter-spacing:.5px}
.trust .logos span{display:flex;align-items:center;gap:8px}

/* ---------- Section 通用 ---------- */
.section{padding:96px 0}
.section.soft{background:var(--c-bg-soft)}
.section.dark{background:var(--c-dark);color:#fff}
.sec-head{max-width:720px;margin:0 auto 56px;text-align:center}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c-brand-deep);background:var(--c-bg-tint);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.section.dark .sec-tag{color:#5eead4;background:rgba(94,234,212,.12)}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:-.5px;line-height:1.25}
.sec-head p{color:var(--c-muted);font-size:17px;margin-top:14px}
.section.dark .sec-head p{color:rgba(255,255,255,.7)}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.about-copy h2{font-size:34px;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.about-copy p{color:var(--c-muted);font-size:16px;margin-bottom:16px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-points .p{display:flex;gap:12px;align-items:flex-start}
.about-points .p .ic{width:38px;height:38px;flex:none;border-radius:11px;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center}
.about-points .p b{font-size:15px;display:block}
.about-points .p span{font-size:13px;color:var(--c-muted)}
.about-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--grad-brand);padding:34px;color:#fff;box-shadow:var(--shadow)}
.about-visual .ring{position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.25);border-radius:50%;top:-90px;right:-90px}
.about-visual .ring.r2{width:180px;height:180px;bottom:-70px;left:-60px;border-color:rgba(255,255,255,.18)}
.about-visual h3{font-size:22px;margin-bottom:18px}
.about-visual ul{list-style:none;display:grid;gap:14px}
.about-visual li{display:flex;gap:12px;align-items:center;font-size:15px}
.about-visual li .ck{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;flex:none}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px;transition:.28s ease;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:54px;height:54px;border-radius:14px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;margin-bottom:18px;box-shadow:0 10px 22px rgba(14,165,164,.3)}
.card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.card p{color:var(--c-muted);font-size:14.5px}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card .tags em{font-style:normal;font-size:12px;background:var(--c-bg-soft);color:var(--c-brand-deep);padding:4px 10px;border-radius:999px;font-weight:600}

/* ---------- 产品展示（双系统） ---------- */
.product{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:36px}
.product:last-child{margin-bottom:0}
.product .panel{border-radius:var(--radius-lg);padding:38px;color:#fff;position:relative;overflow:hidden}
.product .p-vision{background:linear-gradient(135deg,#0b5563,#0ea5a4)}
.product .p-mkt{background:linear-gradient(135deg,#0b3a52,#1769a3)}
.product .panel .glow{position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(40px);top:-100px;right:-80px}
.product .panel h3{font-size:26px;font-weight:800;margin-bottom:8px}
.product .panel .sub{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:22px}
.product .feat{list-style:none;display:grid;gap:13px}
.product .feat li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px}
.product .feat li .ic{width:26px;height:26px;flex:none;border-radius:8px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:13px}
.product .panel .more{margin-top:24px}
.product .mock{background:#fff;border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-lg);border:1px solid var(--c-line)}
.mock-bar{display:flex;align-items:center;gap:6px;margin-bottom:14px}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#e2e8f0;display:block}
.mock-bar i:nth-child(1){background:#fb7185}.mock-bar i:nth-child(2){background:#f59e0b}.mock-bar i:nth-child(3){background:#34d399}
.mock-title{font-size:13px;font-weight:700;color:var(--c-muted);margin-left:8px}
.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.mock-kpis .k{background:var(--c-bg-soft);border-radius:12px;padding:12px}
.mock-kpis .k b{font-size:20px;color:var(--c-brand-deep);display:block}
.mock-kpis .k span{font-size:11px;color:var(--c-muted)}
.mock-chart{display:flex;align-items:flex-end;gap:8px;height:96px;padding:0 4px}
.mock-chart .bar{flex:1;background:var(--grad-brand);border-radius:6px 6px 0 0;opacity:.85}
.mock-list{margin-top:14px;display:grid;gap:8px}
.mock-list .row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-muted);background:var(--c-bg-soft);padding:9px 12px;border-radius:9px}
.mock-list .row b{color:var(--c-text)}

/* ---------- 解决方案 ---------- */
.sol-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;transition:.28s;overflow:hidden;position:relative}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.sol-card .num{font-size:14px;font-weight:800;color:var(--c-brand);letter-spacing:1px}
.sol-card h3{font-size:19px;margin:10px 0 8px;font-weight:700}
.sol-card p{color:var(--c-muted);font-size:14.5px}
.sol-card .ic{width:50px;height:50px;border-radius:13px;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center;margin-bottom:16px}

/* ---------- 套餐（销售窗口） ---------- */
.price{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;position:relative;transition:.28s}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price.feature{border:2px solid var(--c-brand);box-shadow:var(--shadow)}
.price .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;box-shadow:0 8px 18px rgba(14,165,164,.4)}
.grid-4 .price{padding:24px 18px}
.grid-4 .price .amt b{font-size:32px}
.grid-4 .price .desc{font-size:13px}

.price h3{font-size:20px;font-weight:800}
.price .desc{color:var(--c-muted);font-size:14px;margin:6px 0 16px}
.price .amt{display:flex;align-items:baseline;gap:4px;margin-bottom:4px}
.price .amt b{font-size:38px;font-weight:800;color:var(--c-ink)}
.price .amt .cur{font-size:18px;font-weight:700;color:var(--c-muted)}
.price .amt .per{font-size:13px;color:var(--c-muted)}
.price ul{list-style:none;display:grid;gap:11px;margin:20px 0 26px;flex:1}
.price ul li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-text)}
.price ul li .ck{color:var(--c-brand);flex:none;margin-top:3px}
.price .btn{width:100%;justify-content:center}

/* ---------- 招商加盟 ---------- */
.fran-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.fran-steps{display:grid;gap:18px}
.fran-step{display:flex;gap:16px;align-items:flex-start}
.fran-step .n{width:40px;height:40px;flex:none;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;display:grid;place-items:center;box-shadow:0 8px 18px rgba(14,165,164,.35)}
.fran-step b{font-size:16px;display:block}
.fran-step span{font-size:14px;color:var(--c-muted)}
.fran-card{background:var(--grad-accent);color:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-lg)}
.fran-card h3{font-size:22px;margin-bottom:14px}
.fran-card ul{list-style:none;display:grid;gap:12px}
.fran-card li{display:flex;gap:10px;align-items:center;font-size:15px}

/* ---------- 案例/新闻 ---------- */
.timeline{display:grid;gap:20px;max-width:840px;margin:0 auto}
.news{display:grid;grid-template-columns:120px 1fr;gap:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px 26px;transition:.25s}
.news:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news .date{font-weight:800;color:var(--c-brand-deep);font-size:15px}
.news .date span{display:block;font-size:12px;color:var(--c-muted);font-weight:500}
.news h3{font-size:17px;margin-bottom:6px}
.news p{color:var(--c-muted);font-size:14px}
.news .cat{display:inline-block;font-size:11px;background:var(--c-bg-tint);color:var(--c-brand-deep);padding:3px 10px;border-radius:999px;font-weight:600;margin-top:8px}

/* ---------- CTA banner ---------- */
.cta{background:var(--grad-hero);color:#fff;border-radius:var(--radius-lg);padding:60px 40px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,164,.5),transparent 70%);top:-160px;left:-120px;filter:blur(20px)}
.cta h2{font-size:34px;font-weight:800;position:relative}
.cta p{color:rgba(255,255,255,.82);font-size:17px;margin:14px auto 28px;max-width:560px;position:relative}
.cta .hero-actions{justify-content:center;position:relative}

/* ---------- 系统入口 portal ---------- */
.portal-hero{padding:calc(var(--nav-h) + 60px) 0 50px;background:var(--grad-hero);color:#fff;text-align:center;position:relative;overflow:hidden}
.portal-hero h1{font-size:42px;font-weight:800;margin-bottom:14px}
.portal-hero p{color:rgba(255,255,255,.8);font-size:17px;max-width:560px;margin:0 auto}
.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:54px 0}
.portal-grid.three{grid-template-columns:repeat(3,1fr)}
.pcard{border-radius:var(--radius-lg);padding:36px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pcard.vision{background:linear-gradient(135deg,#0b5563,#0ea5a4)}
.pcard.mkt{background:linear-gradient(135deg,#0b3a52,#1769a3)}
.pcard.member{background:linear-gradient(135deg,#b45309,#f59e0b)}
.pcard .glow{position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(40px);top:-90px;right:-70px}
.pcard .ic{width:58px;height:58px;border-radius:15px;background:rgba(255,255,255,.18);display:grid;place-items:center;margin-bottom:18px}
.pcard h3{font-size:24px;font-weight:800;margin-bottom:8px}
.pcard .sub{color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:20px}
.pcard .roles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.pcard .roles em{font-style:normal;font-size:12.5px;background:rgba(255,255,255,.16);padding:5px 12px;border-radius:999px}
.pcard .demo{font-size:13px;color:rgba(255,255,255,.75);margin-top:16px;border-top:1px solid rgba(255,255,255,.18);padding-top:14px}
.pcard .demo code{background:rgba(255,255,255,.14);padding:2px 8px;border-radius:6px;font-family:ui-monospace,monospace}
.portal-note{background:var(--c-bg-soft);border:1px dashed var(--c-line);border-radius:var(--radius);padding:22px 26px;text-align:center;color:var(--c-muted);font-size:14.5px}
.portal-note b{color:var(--c-brand-deep)}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1fr 1fr 1.2fr;gap:34px}
.footer .brand .logo{color:#fff;margin-bottom:16px}
.footer .brand p{font-size:14px;max-width:280px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer ul{list-style:none;display:grid;gap:10px}
.footer ul a{font-size:14px;color:rgba(255,255,255,.7);transition:.2s}
.footer ul a:hover{color:#5eead4}
.footer .qr{background:#fff;border-radius:12px;padding:10px;width:108px;height:108px;display:grid;place-items:center;color:var(--c-muted);font-size:11px;text-align:center}
.footer .bottom .beian-police{display:inline-flex;align-items:center;gap:6px}
.footer .bottom .beian-police img{display:block;flex:none}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 浮动客服 ---------- */
.fab{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);background:#fff;color:var(--c-brand);transition:.25s}
.fab a.primary{background:var(--grad-brand);color:#fff}
.fab a:hover{transform:translateY(-3px) scale(1.05)}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}.reveal.d6{transition-delay:.48s}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:40px}
  .about-grid,.product,.fran-grid,.portal-grid,.portal-grid.three{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .about-points{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-links,.nav-cta .btn-outline{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;background:#fff;padding:16px;box-shadow:var(--shadow);gap:4px;border-top:1px solid var(--c-line)}
  .nav.open .nav-links a{padding:12px}
  .hero h1{font-size:32px}
  .sec-head h2{font-size:27px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .hero-stats{gap:18px}
  .section{padding:70px 0}
  .price.feature{order:-1}
}

/* =========================================================
   新增：内页 / 关于我们 / 新闻案例 / 套餐下单 / 双语 / 小程序
   ========================================================= */

/* ---------- 语言切换 ---------- */
.lang-switch{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.35);border-radius:999px;overflow:hidden;font-size:13px;font-weight:600}
.lang-switch a{padding:7px 13px;color:#fff;transition:.2s}
.lang-switch a.cur,.lang-switch a:hover{background:rgba(255,255,255,.22)}
.nav-cta .lang-switch{margin-right:2px}

/* ---------- 内页 Hero ---------- */
.page-hero{padding:calc(var(--nav-h) + 56px) 0 46px;background:var(--grad-hero);color:#fff;position:relative;overflow:hidden;text-align:center}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:40px;font-weight:800;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.8);font-size:17px;max-width:600px;margin:0 auto}
.page-hero .crumbs{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.page-hero .crumbs a:hover{color:#5eead4}

/* ---------- 面包屑（浅色） ---------- */
.breadcrumb{font-size:13px;color:var(--c-muted);margin:18px 0 0}
.breadcrumb a{color:var(--c-brand-deep);font-weight:600}

/* ---------- 关于：使命愿景 ---------- */
.mission{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:10px}
.mission .m{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.mission .m::before{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:var(--c-bg-tint);top:-60px;right:-50px}
.mission .m .ic{width:52px;height:52px;border-radius:14px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;margin-bottom:16px;position:relative}
.mission .m h3{font-size:21px;margin-bottom:10px;position:relative}
.mission .m p{color:var(--c-muted);font-size:15px;position:relative}

/* ---------- 关于：发展历程时间轴 ---------- */
.timeline-h{position:relative;margin-top:14px;padding-left:8px}
.timeline-h::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--c-brand),var(--c-brand-2))}
.tl-item{position:relative;padding:0 0 30px 46px}
.tl-item:last-child{padding-bottom:0}
.tl-item .dot{position:absolute;left:3px;top:4px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--c-brand);box-shadow:0 0 0 4px var(--c-bg-tint)}
.tl-item .yr{font-weight:800;color:var(--c-brand-deep);font-size:17px}
.tl-item h4{font-size:17px;margin:4px 0 6px}
.tl-item p{color:var(--c-muted);font-size:14.5px}

/* ---------- 关于：荣誉资质 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.honor{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px;text-align:center;transition:.25s}
.honor:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.honor .badge{width:56px;height:56px;border-radius:14px;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center;margin:0 auto 14px;font-size:26px}
.honor h4{font-size:15px;font-weight:700;margin-bottom:6px}
.honor p{font-size:12.5px;color:var(--c-muted)}
.honor .tip{display:inline-block;margin-top:8px;font-size:11px;color:var(--c-accent);background:#fff7ed;padding:2px 9px;border-radius:999px}

/* ---------- 关于：核心团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.team{background:#f6f8f8;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:.28s}
.team:hover{box-shadow:var(--shadow)}
.team .ph{height:200px;background:#e8f0ef;display:block}
.team .ph img{width:100%;height:100%;object-fit:cover;object-position:center 22%;display:block}
.team .ph.logo-ph{background:#fff}
.team .ph.logo-ph img{object-fit:contain;padding:30px}
.team .ph.duo{display:flex}
.team .ph.duo img{width:50%;object-position:center top}
.team .info{padding:24px 18px 18px;text-align:center}
.team .info h4{font-size:19px;text-align:center}
.team .info .role{font-size:13px;color:#8a94a3;font-weight:500;margin:7px 0 0;text-align:center}
.team .desc{background:#38a8a3;flex:1;display:flex;align-items:center;justify-content:center;padding:24px 20px}
.team .desc p{color:#fff;font-size:13.5px;line-height:1.95;text-align:center;margin:0}









/* ---------- 关于：设备与技术 ---------- */
.equip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.equip{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px;transition:.25s}
.equip:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.equip .ic{width:46px;height:46px;flex:none;border-radius:12px;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center;font-size:22px}
.equip h4{font-size:16px;margin-bottom:5px}
.equip p{font-size:13px;color:var(--c-muted)}

/* ---------- 新闻列表 ---------- */
.news-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.news-filter{display:flex;gap:10px;flex-wrap:wrap}
.news-filter a{font-size:13.5px;padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-muted);font-weight:600;transition:.2s}
.news-filter a.cur,.news-filter a:hover{border-color:var(--c-brand);color:var(--c-brand-deep);background:var(--c-bg-tint)}
.news-list{display:grid;gap:22px;max-width:920px;margin:0 auto}
.news-card{display:grid;grid-template-columns:130px 1fr;gap:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px 28px;transition:.25s}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card .date{font-weight:800;color:var(--c-brand-deep);font-size:16px;text-align:center;padding-top:4px}
.news-card .date span{display:block;font-size:12px;color:var(--c-muted);font-weight:500}
.news-card .cat{display:inline-block;font-size:11px;background:var(--c-bg-tint);color:var(--c-brand-deep);padding:3px 11px;border-radius:999px;font-weight:600;margin-bottom:8px}
.news-card h3{font-size:19px;margin-bottom:8px;line-height:1.4}
.news-card p{color:var(--c-muted);font-size:14.5px}
.news-card .more{display:inline-block;margin-top:12px;color:var(--c-brand-deep);font-weight:600;font-size:13.5px}
.news-card .more:hover{text-decoration:underline}
.news-feature{background:linear-gradient(135deg,#08323a,#0a7d86);color:#fff;border-radius:var(--radius-lg);padding:40px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin-bottom:34px;position:relative;overflow:hidden}
.news-feature::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(14,165,164,.35);filter:blur(40px);top:-120px;right:-80px}
.news-feature .cat{display:inline-block;font-size:11px;background:rgba(255,255,255,.16);color:#fff;padding:3px 11px;border-radius:999px;font-weight:600;margin-bottom:10px}
.news-feature h3{font-size:26px;font-weight:800;margin-bottom:10px;position:relative}
.news-feature p{color:rgba(255,255,255,.82);font-size:15px;position:relative}
.news-feature .more{color:#5eead4;font-weight:700;position:relative;display:inline-block;margin-top:12px}

/* ---------- 套餐下单流程 ---------- */
.order-steps{display:flex;justify-content:center;gap:0;margin:0 auto 44px;max-width:760px;flex-wrap:wrap}
.ostep{display:flex;align-items:center;flex:1;min-width:160px}
.ostep .n{width:42px;height:42px;flex:none;border-radius:50%;background:#fff;border:2px solid var(--c-line);color:var(--c-muted);font-weight:800;display:grid;place-items:center;transition:.3s}
.ostep.active .n,.ostep.done .n{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(14,165,164,.35)}
.ostep .t{margin-left:12px}
.ostep .t b{display:block;font-size:15px}
.ostep .t span{font-size:12.5px;color:var(--c-muted)}
.ostep .line{flex:1;height:2px;background:var(--c-line);margin:0 14px}
.ostep.done .line{background:var(--grad-brand)}
.order-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.plan-pick{display:grid;gap:16px}
.pp-card{border:1.5px solid var(--c-line);border-radius:var(--radius);padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;transition:.25s;background:#fff}
.pp-card:hover{border-color:var(--c-brand);box-shadow:var(--shadow-sm)}
.pp-card.sel{border-color:var(--c-brand);background:var(--c-bg-tint);box-shadow:var(--shadow-sm)}
.pp-card .pp-l h4{font-size:17px}
.pp-card .pp-l p{font-size:13px;color:var(--c-muted);margin-top:3px}
.pp-card .pp-r{text-align:right;flex:none}
.pp-card .pp-r b{font-size:22px;color:var(--c-ink)}
.pp-card .pp-r span{font-size:12px;color:var(--c-muted);display:block}
.pp-card .radio{width:20px;height:20px;border-radius:50%;border:2px solid var(--c-line);flex:none;margin-left:6px;transition:.2s}
.pp-card.sel .radio{border-color:var(--c-brand);background:radial-gradient(circle,var(--c-brand) 42%,transparent 46%)}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);position:sticky;top:calc(var(--nav-h) + 16px)}
.form-card h3{font-size:19px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text);margin-bottom:7px}
.field label .req{color:var(--c-accent-2);margin-left:3px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--c-line);border-radius:12px;font-size:14.5px;font-family:inherit;color:var(--c-text);background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px var(--c-bg-tint)}
.field textarea{resize:vertical;min-height:84px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.order-summary{background:var(--c-bg-soft);border-radius:12px;padding:16px 18px;margin:6px 0 18px;font-size:14px}
.order-summary .row{display:flex;justify-content:space-between;padding:5px 0}
.order-summary .row.total{border-top:1px dashed var(--c-line);margin-top:6px;padding-top:10px;font-weight:800;font-size:16px;color:var(--c-brand-deep)}
.order-summary .row.total b{color:var(--c-ink)}
.success{text-align:center;padding:60px 30px}
.success .ic{width:84px;height:84px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;margin:0 auto 22px;font-size:42px;box-shadow:0 16px 34px rgba(14,165,164,.4)}
.success h2{font-size:28px;margin-bottom:12px}
.success p{color:var(--c-muted);font-size:15px;max-width:460px;margin:0 auto 24px}

/* ---------- 小程序入口 ---------- */
.mini-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin-top:10px}
.mini-card{background:linear-gradient(135deg,#0b5563,#0ea5a4);color:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.mini-card h3{font-size:22px;margin-bottom:12px}
.mini-card p{font-size:14.5px;color:rgba(255,255,255,.85);margin-bottom:16px}
.mini-card ul{list-style:none;display:grid;gap:11px}
.mini-card li{display:flex;gap:10px;align-items:center;font-size:14.5px}
.mini-qr{background:#fff;border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow-sm)}
.mini-qr .qr-box{width:200px;height:200px;margin:0 auto 14px;border-radius:14px;background:repeating-conic-gradient(#0c1b2a 0% 25%,#fff 0% 50%) 0/22px 22px;display:grid;place-items:center;color:#fff;font-size:13px;position:relative}
.mini-qr .qr-box span{background:var(--c-ink);padding:8px 12px;border-radius:8px}
.mini-qr .tip{font-size:13px;color:var(--c-muted)}

/* ---------- 响应式补充 ---------- */
@media(max-width:980px){
  .mission,.order-grid,.mini-wrap{grid-template-columns:1fr}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .equip-grid{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .form-card{position:static}
}
@media(max-width:680px){
  .page-hero h1{font-size:30px}
  .honor-grid{grid-template-columns:1fr}
  .news-card,.news-feature{grid-template-columns:1fr}
  .news-card .date{text-align:left;padding-top:0}
  .field-row{grid-template-columns:1fr}
  .lang-switch{display:none}
}

/* =========================================================
   新增：套餐详情页 + 支付对接弹窗
   ========================================================= */

/* ---------- 套餐详情 Hero ---------- */
.pkg-hero{padding:calc(var(--nav-h) + 60px) 0 52px;background:var(--grad-hero);color:#fff;position:relative;overflow:hidden}
.pkg-hero .wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;align-items:center;position:relative;z-index:2}
.pkg-hero .crumbs{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.pkg-hero .crumbs a:hover{color:#5eead4}
.pkg-hero .tag{display:inline-block;font-size:12px;font-weight:700;background:var(--grad-accent);color:#fff;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.pkg-hero h1{font-size:44px;font-weight:800;line-height:1.2;margin-bottom:14px}
.pkg-hero .lead{color:rgba(255,255,255,.84);font-size:17px;max-width:520px;margin-bottom:26px}
.pkg-hero .hl-actions{display:flex;gap:14px;flex-wrap:wrap}
.pkg-hero .price-box{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:22px;padding:28px;text-align:center;backdrop-filter:blur(8px);box-shadow:var(--shadow-lg)}
.pkg-hero .price-box .lbl{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:8px}
.pkg-hero .price-box .amt{font-size:44px;font-weight:800;line-height:1}
.pkg-hero .price-box .amt .cur{font-size:20px;font-weight:700;margin-right:2px}
.pkg-hero .price-box .amt .per{font-size:14px;font-weight:500;color:rgba(255,255,255,.8);margin-left:4px}
.pkg-hero .price-box .inc{font-size:13px;color:rgba(255,255,255,.8);margin:14px 0 18px;display:grid;gap:7px;text-align:left}
.pkg-hero .price-box .inc span{display:flex;gap:8px;align-items:center}
.pkg-hero .price-box .inc span::before{content:"✓";color:#5eead4;font-weight:800}
.pkg-hero .price-box .btn{width:100%;justify-content:center}

/* ---------- 套餐详情主体 ---------- */
.pkg-cols{display:grid;grid-template-columns:1.45fr .55fr;gap:34px;align-items:start}
.pkg-group{margin-bottom:30px}
.pkg-group h3{font-size:20px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.pkg-group h3::before{content:"";width:6px;height:22px;border-radius:6px;background:var(--grad-brand)}
.pkg-detail-list{list-style:none;display:grid;gap:13px}
.pkg-detail-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:13px;padding:15px 18px;font-size:14.5px;transition:.2s}
.pkg-detail-list li:hover{border-color:var(--c-brand);box-shadow:var(--shadow-sm)}
.pkg-detail-list li .ic{width:26px;height:26px;flex:none;border-radius:8px;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center;font-size:13px;font-weight:800}
.pkg-detail-list li b{display:block;font-size:15px;margin-bottom:2px}
.pkg-detail-list li span{color:var(--c-muted);font-size:13.5px}
.pkg-aside{position:sticky;top:calc(var(--nav-h) + 16px);background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm)}
.pkg-aside .amt{font-size:34px;font-weight:800;color:var(--c-ink)}
.pkg-aside .amt .cur{font-size:17px;font-weight:700;color:var(--c-muted)}
.pkg-aside .amt .per{font-size:13px;color:var(--c-muted);margin-left:3px}
.pkg-aside .line{display:flex;justify-content:space-between;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--c-line)}
.pkg-aside .line:last-of-type{border-bottom:0}
.pkg-aside .line b{color:var(--c-brand-deep)}
.pkg-aside .btn{width:100%;justify-content:center;margin-top:16px}
.pkg-aside .note{font-size:12px;color:var(--c-muted);text-align:center;margin-top:12px}

/* ---------- 适用对象 ---------- */
.pkg-users{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pkg-user{background:var(--c-bg-soft);border-radius:var(--radius);padding:24px;border:1px solid var(--c-line);transition:.25s}
.pkg-user:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pkg-user .ic{width:48px;height:48px;border-radius:13px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.pkg-user h4{font-size:16px;margin-bottom:7px}
.pkg-user p{font-size:13.5px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--c-line);border-radius:14px;margin-bottom:12px;overflow:hidden;background:#fff;transition:.2s}
.faq-item:hover{border-color:var(--c-brand)}
.faq-q{padding:18px 22px;font-weight:700;font-size:15.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-q .pm{flex:none;width:24px;height:24px;border-radius:50%;background:var(--c-bg-tint);color:var(--c-brand);display:grid;place-items:center;font-size:18px;transition:.3s}
.faq-item.open .faq-q .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.35s ease;padding:0 22px;color:var(--c-muted);font-size:14.5px;line-height:1.8}
.faq-item.open .faq-a{padding:0 22px 18px;max-height:300px}

/* ---------- 支付弹窗 ---------- */
.pay-mask{position:fixed;inset:0;background:rgba(8,22,34,.62);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.pay-mask.show{display:flex}
.pay-box{background:#fff;border-radius:20px;width:100%;max-width:440px;overflow:hidden;box-shadow:var(--shadow-lg);animation:pop .25s ease}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.pay-head{background:var(--grad-hero);color:#fff;padding:16px 22px;display:flex;justify-content:space-between;align-items:center}
.pay-head h3{font-size:17px;font-weight:700}
.pay-head .x{cursor:pointer;font-size:22px;opacity:.85;transition:.2s}
.pay-head .x:hover{opacity:1;transform:rotate(90deg)}
.pay-body{padding:22px}
.pay-sum{background:var(--c-bg-soft);border-radius:12px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:14px}
.pay-sum .nm{font-weight:600}
.pay-sum .pr{font-weight:800;color:var(--c-brand-deep);font-size:17px}
.pay-methods{display:flex;gap:10px;margin-bottom:18px}
.pay-method{flex:1;border:1.5px solid var(--c-line);border-radius:12px;padding:12px 6px;text-align:center;font-size:14px;font-weight:600;cursor:pointer;transition:.2s;user-select:none}
.pay-method.sel{border-color:var(--c-brand);background:var(--c-bg-tint);color:var(--c-brand-deep)}
.pay-qr{text-align:center;padding:6px 0 2px}
.pay-qr .qr-img{width:184px;height:184px;margin:0 auto 14px;border-radius:12px;background:repeating-conic-gradient(#0c1b2a 0% 25%,#fff 0% 50%) 0/20px 20px;display:grid;place-items:center;color:#fff;font-size:12px;position:relative}
.pay-qr .qr-img span{background:var(--c-ink);padding:7px 11px;border-radius:8px;line-height:1.5}
.pay-bank{background:var(--c-bg-soft);border-radius:12px;padding:16px 18px;font-size:14px;line-height:2.1}
.pay-bank b{color:var(--c-brand-deep)}
.pay-note{font-size:12px;color:var(--c-muted);text-align:center;margin-top:14px;line-height:1.6}
.pay-done{text-align:center;padding:34px 16px 38px}
.pay-done .ic{width:76px;height:76px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;margin:0 auto 18px;font-size:38px;box-shadow:0 14px 30px rgba(14,165,164,.4)}
.pay-done h3{font-size:22px;margin-bottom:10px}
.pay-done p{color:var(--c-muted);font-size:14.5px;max-width:340px;margin:0 auto 22px}
.pay-done .hero-actions{justify-content:center}

@media(max-width:980px){
  .pkg-hero .wrap,.pkg-cols{grid-template-columns:1fr}
  .pkg-aside{position:static}
  .pkg-users{grid-template-columns:1fr}
}
@media(max-width:680px){
  .pkg-hero h1{font-size:30px}
  .pay-methods{flex-direction:column}
}

/* =========================================================
   2026-10-07 新增：导航下拉菜单 + 栏目文字不换行 + 产品/视频页
   ========================================================= */

/* ---- 导航：文字不换行（修复宽度变化时文字超出功能框） ---- */
.nav-links{list-style:none;margin:0;padding:0;gap:2px}
.nav-links>li{list-style:none;position:relative}
.nav-links a{white-space:nowrap;display:block;padding:9px 12px}
.nav-links a.active{color:var(--c-brand-deep);font-weight:600}

/* ---- 二级下拉菜单 ---- */
.nav-item>a{display:flex;align-items:center;gap:6px}
.nav-item .caret{
  width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:4px solid currentColor;opacity:.55;transition:transform .2s;
}
.nav-item.open>a .caret{transform:rotate(180deg)}
.nav-item .sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:170px;
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  box-shadow:0 18px 40px rgba(15,42,66,.14);padding:8px;margin:0;list-style:none;
  display:none;z-index:60;
}
/* 鼠标从父项移到子菜单的桥接区，避免中途消失 */
.nav-item .sub::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav-item:hover>.sub,.nav-item:focus-within>.sub,.nav-item.open>.sub{display:block}
.nav-item .sub li{list-style:none}
.nav-item .sub a{padding:9px 14px;font-size:14px;border-radius:8px;color:var(--c-text);font-weight:500}
.nav-item .sub a:hover{background:var(--c-bg-tint);color:var(--c-brand-deep)}
.nav-item .sub a.active{background:var(--c-bg-tint);color:var(--c-brand-deep);font-weight:600}

/* ---- 产品页 ---- */
.prod{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:44px 0;border-bottom:1px solid var(--c-line)}
.prod:last-of-type{border-bottom:0}
.prod.reverse .pgal{order:2}
.pgal img{width:100%;border-radius:var(--radius);border:1px solid var(--c-line);background:#fff}
.pgal .thumbs{display:flex;gap:10px;margin-top:12px}
.pgal .thumbs img{width:88px;height:64px;object-fit:cover;border-radius:10px;cursor:default;opacity:.85}
.pgal .thumbs img:hover{opacity:1}
.pinfo h3{font-size:28px;font-weight:800;margin:10px 0 14px;letter-spacing:-.3px}
.pinfo>p{color:var(--c-muted);font-size:16px;margin-bottom:18px}
.plist{list-style:none;margin:0 0 26px;padding:0}
.plist li{position:relative;padding:8px 0 8px 26px;color:var(--c-text);font-size:15.5px;border-bottom:1px dashed var(--c-line)}
.plist li:last-child{border-bottom:0}
.plist li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--c-brand);font-weight:800}


/* ---- 会员中心 / 百千万计划页 ---- */
.mem-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mem-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:28px 30px;box-shadow:var(--shadow-sm);transition:.28s}
.mem-card:hover{box-shadow:var(--shadow)}
.mem-card h3{font-size:19px;font-weight:800;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--c-bg-tint);display:flex;align-items:center;gap:10px}
.mem-card h3::before{content:"";width:6px;height:20px;border-radius:3px;background:var(--grad-brand)}
.mem-card p{color:var(--c-muted);font-size:14.5px;line-height:1.9}
.ck-list{list-style:none;display:grid;gap:12px}
.ck-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.75;color:var(--c-text)}
.ck-list .ck{flex:none;width:20px;height:20px;border-radius:50%;background:var(--c-bg-tint);color:var(--c-brand-deep);display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:2px}
.warn-box{background:#fff7ed;border:1px solid #fdba74;border-left:5px solid #f97316;border-radius:14px;padding:24px 28px;text-align:left}
.warn-box h4{color:#c2410c;font-size:17px;font-weight:800;margin-bottom:12px}
.warn-box ol{margin:0;padding-left:20px;display:grid;gap:9px}
.warn-box ol li{font-size:14.5px;line-height:1.8;color:#7c2d12}
.step-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:28px 26px;position:relative;box-shadow:var(--shadow-sm)}
.step-card .n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;font-size:19px;font-weight:800;margin-bottom:16px}
.step-card h4{font-size:17px;font-weight:800;margin-bottom:10px}
.step-card p{color:var(--c-muted);font-size:14px;line-height:1.85}
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm)}
.rule-table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.rule-table th{background:var(--c-bg-tint);color:var(--c-brand-deep);font-weight:700;padding:14px 20px;text-align:left;font-size:14px}
.rule-table td{padding:14px 20px;border-top:1px solid var(--c-line);color:var(--c-text)}
.rule-table tr:hover td{background:#fafcfc}
.rule-table td b{color:var(--c-brand-deep)}
.footer .compliance{border-top:1px solid rgba(255,255,255,.1);margin-top:18px;padding-top:16px;text-align:center;font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7}
@media(max-width:1180px){
  .mem-grid{grid-template-columns:1fr}
  .step-flow{grid-template-columns:1fr}
}

/* ---- 视频中心 ---- */
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vcard{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.28s}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.vcard video{width:100%;display:block;background:#000;aspect-ratio:16/9;object-fit:cover}
.vcard h3{font-size:18px;font-weight:700;padding:18px 20px 6px}
.vcard p{padding:0 20px 20px;color:var(--c-muted);font-size:14px}
.vph{position:relative;aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,var(--c-bg-tint),#e6f7f7)}
.vph .play{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--c-brand-deep);font-size:20px;box-shadow:0 8px 20px rgba(15,42,66,.18)}
.vph .badge{position:absolute;top:12px;right:12px;background:rgba(15,42,66,.75);color:#fff;font-size:12px;padding:4px 10px;border-radius:999px}
.vnote{margin-top:34px;background:var(--c-bg-soft);border:1px dashed var(--c-line);border-radius:12px;padding:16px 20px;color:var(--c-muted);font-size:14px;line-height:1.8}
.vnote code{background:#fff;padding:2px 6px;border-radius:6px;border:1px solid var(--c-line)}

/* ---- 响应式补充 ---- */
@media(max-width:1180px){
  .nav-links a{font-size:14px;padding:8px 10px}
  .nav-links{gap:0}
}
@media(max-width:980px){
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .prod{grid-template-columns:1fr;gap:26px}
  .prod.reverse .pgal{order:0}
}
@media(max-width:680px){
  .vgrid{grid-template-columns:1fr}
  .nav.open .nav-links{align-items:stretch}
  /* 移动端：子菜单直接展开，不做悬浮 */
  .nav-item .sub{position:static;display:block;min-width:0;background:transparent;border:0;box-shadow:none;padding:0 0 4px 12px}
  .nav-item .sub::before{display:none}
  .nav-item .sub a{padding:8px 10px;font-size:13.5px;color:var(--c-muted)}
  .nav-item .caret{display:none}
}

/* ---- 关于我们：集团内容正文 / 使命愿景价值观三栏 ---- */
.prose{max-width:860px;margin:0 auto 44px}
.prose p{color:var(--c-muted);font-size:16.5px;line-height:1.95;margin-bottom:16px;text-align:left}
.mission{grid-template-columns:repeat(3,1fr)}
@media(max-width:980px){ .mission{grid-template-columns:1fr} }

/* =========================================================
   2026-10-08 美化：科技感装饰层 / 徽章 / 卡片 / 图集 / 证书墙
   ========================================================= */

/* ---- Hero / 页头：科技网格 + 旋转环 ---- */
.hero::before,.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 75% 85% at 50% 40%,#000 25%,transparent 78%);
  mask-image:radial-gradient(ellipse 75% 85% at 50% 40%,#000 25%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;z-index:1;pointer-events:none;
  width:430px;height:430px;right:4%;top:10%;border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.28);
  box-shadow:inset 0 0 60px rgba(94,234,212,.12);
  animation:zk-spin 46s linear infinite;
}
.page-hero::after{
  content:"";position:absolute;z-index:1;pointer-events:none;
  width:300px;height:300px;right:6%;bottom:-45%;border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.22);
  animation:zk-spin 40s linear infinite reverse;
}
@keyframes zk-spin{to{transform:rotate(360deg)}}
@media(max-width:980px){.hero::after,.page-hero::after{display:none}}

/* ---- 栏目徽章：品牌渐变 ---- */
.sec-tag{background:linear-gradient(120deg,var(--c-brand),#06b6d4);color:#fff;box-shadow:0 6px 16px rgba(14,165,164,.28)}
.section.dark .sec-tag{background:linear-gradient(120deg,#0ea5a4,#06b6d4)}

/* ---- 卡片：顶部渐变条 + 悬浮显现 ---- */
.card,.m,.vcard,.hcert{position:relative;overflow:hidden}
.card::before,.m::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:1;
  background:linear-gradient(90deg,var(--c-brand),#06b6d4,#f59e0b);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.card:hover::before,.m:hover::before{transform:scaleX(1)}

/* ---- 柔和区块渐变 ---- */
.section.soft{background:linear-gradient(180deg,var(--c-bg-soft),#fff 62%)}

/* ---- 页脚品牌渐变线 ---- */
.footer{border-top:3px solid;border-image:linear-gradient(90deg,var(--c-brand),#06b6d4,#f59e0b) 1}

/* ---- 使命卡片图标配色区分 ---- */
.mission .m:nth-child(2) .ic{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.mission .m:nth-child(3) .ic{background:linear-gradient(135deg,#f59e0b,#f97316)}

/* ---- 产品图集：主图 + 可点击缩略图 ---- */
.pgal{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.pgal .main{width:100%;height:400px;object-fit:contain;border-radius:12px;background:#fff}
.pgal .thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.pgal .thumbs img{width:74px;height:56px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent;opacity:.72;transition:.2s}
.pgal .thumbs img:hover{opacity:1;transform:translateY(-2px)}
.pgal .thumbs img.cur{border-color:var(--c-brand);opacity:1}
@media(max-width:680px){.pgal .main{height:260px}}

/* ---- 资质荣誉证书墙 ---- */
.honor-gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.hcert{display:block;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:12px;box-shadow:var(--shadow-sm);transition:.28s}
.hcert img{width:100%;aspect-ratio:4/3;object-fit:contain;display:block;transition:.4s}
.hcert:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.hcert:hover img{transform:scale(1.06)}
@media(max-width:980px){.honor-gallery{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.honor-gallery{grid-template-columns:repeat(2,1fr)}}

/* ============ 核心产品：一屏一产品（满版大图） ============ */
.pfull{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:96px 0;position:relative;overflow:hidden;scroll-margin-top:64px}
.pfull.alt{background:linear-gradient(180deg,#f4fafb 0%,#eef6f8 100%)}
.pfull.dark{background:radial-gradient(1100px 500px at 78% 12%,rgba(14,165,164,.16),transparent 60%),linear-gradient(150deg,#062b38 0%,#0a3d4d 55%,#0b5563 100%)}
.pfull.warm{background:linear-gradient(180deg,#fbf7f0 0%,#f7efe2 100%)}
.pgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;width:100%}
.pgrid.rev .pgal{order:2}
.pgrid.rev .pinfo{order:1}
.pfull .pgal{display:flex;flex-direction:column;gap:16px;align-items:center}
.pfull .pgal .main{max-width:100%;max-height:58vh;object-fit:contain;border-radius:18px;filter:drop-shadow(0 26px 44px rgba(8,55,66,.22))}
.pfull.dark .pgal .main{filter:drop-shadow(0 26px 44px rgba(0,0,0,.5));background:rgba(255,255,255,.06);padding:14px}
.pfull .thumbs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.pfull .thumbs img{width:74px;height:56px;object-fit:cover;border-radius:9px;cursor:pointer;opacity:.65;border:2px solid transparent;transition:.2s}
.pfull .thumbs img:hover{opacity:1}
.pfull .thumbs img.cur{opacity:1;border-color:var(--c-brand,#0ea5a4)}
.pnum{font-size:clamp(72px,10vw,132px);font-weight:900;line-height:1;position:absolute;top:8px;right:4%;color:rgba(14,101,129,.07);pointer-events:none;font-family:Georgia,serif}
.pfull.dark .pnum{color:rgba(255,255,255,.08)}
.pinfo{position:relative;max-width:560px}
.pinfo h3{font-size:clamp(32px,4.4vw,52px);font-weight:900;margin:14px 0 18px;letter-spacing:.5px}
.pinfo .lead{font-size:clamp(17px,1.6vw,21px);line-height:1.8;color:var(--c-ink-2,#33535c);margin-bottom:26px}
.pinfo .plist{list-style:none;display:grid;gap:14px;margin-bottom:34px}
.pinfo .plist li{font-size:17px;font-weight:600;color:var(--c-ink,#0b3944);display:flex;gap:12px;align-items:flex-start}
.pinfo .plist li::before{content:"";flex:none;width:9px;height:9px;border-radius:50%;margin-top:9px;background:linear-gradient(135deg,#0ea5a4,#1769a3)}
.pfull.dark .pinfo h3,.pfull.dark .pinfo .plist li{color:#fff}
.pfull.dark .pinfo .lead{color:rgba(255,255,255,.82)}
.pfull.dark .pinfo .plist li::before{background:#34d8d6}
.pfull.dark .sec-tag{background:rgba(255,255,255,.14);color:#fff}
@media(max-width:980px){
  .pfull{min-height:auto;padding:64px 0}
  .pgrid{grid-template-columns:1fr;gap:30px}
  .pgrid.rev .pgal{order:1}.pgrid.rev .pinfo{order:2}
  .pfull .pgal .main{max-height:44vh}
  .pnum{font-size:64px;top:2px;right:10px}
}

/* ============ 核心产品：照集团站，一列大图从上到下 ============ */
.psec{padding:72px 0 84px;scroll-margin-top:64px}
.psec.alt{background:linear-gradient(180deg,#f4fafb 0%,#eef6f8 100%)}
.ptitle{display:flex;align-items:center;gap:16px;margin-bottom:34px}
.pbar{flex:none;width:8px;height:38px;border-radius:4px;background:linear-gradient(180deg,#0ea5a4,#1769a3)}
.ptitle h2{font-size:clamp(26px,3vw,36px);font-weight:900;color:#0b3944;letter-spacing:1px}
.pimgs{max-width:860px;margin:0 auto;display:grid;gap:14px}
.pimgs img{width:100%;display:block;border-radius:10px;box-shadow:0 14px 34px rgba(8,55,66,.14)}
@media(max-width:640px){.psec{padding:52px 0 60px}.pimgs{gap:10px}}

/* ============ 核心产品：列表页 + 详情页导航 ============ */
.alt-bg{background:linear-gradient(180deg,#f4fafb 0%,#eef6f8 100%)}
.pcards{display:grid;grid-template-columns:repeat(2,1fr);gap:34px;margin-top:10px}
.pcard{display:block;text-decoration:none;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 12px 30px rgba(8,55,66,.10);transition:.25s;border:1px solid rgba(14,101,129,.08)}
.pcard:hover{transform:translateY(-6px);box-shadow:0 20px 42px rgba(8,55,66,.18)}
.pc-img{aspect-ratio:1/1;background:#f4fafb;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.pcard:hover .pc-img img{transform:scale(1.05)}
.pc-name{padding:20px 22px 4px;font-size:21px;font-weight:800;color:#0b3944}
.pc-sub{padding:0 22px;font-size:14.5px;color:#5c7c85}
.pc-more{display:inline-block;padding:0 22px 22px;color:#0ea5a4;font-weight:700;font-size:15px}
.pminis{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pmini{display:block;text-decoration:none;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 26px rgba(8,55,66,.10);transition:.25s;text-align:center;border:1px solid rgba(14,101,129,.08)}
.pmini:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(8,55,66,.18)}
.pmini img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.pmini span{display:block;padding:14px;font-weight:700;color:#0b3944;font-size:16px}
.back-list{margin-top:34px;text-align:center}
@media(max-width:760px){
  .pcards{grid-template-columns:1fr;gap:22px}
  .pminis{grid-template-columns:1fr;gap:16px}
  .pmini img{aspect-ratio:16/9}
}

/* ============ 自有视觉语言：光学刻度 / 扫描 / 色散 / 精密（2026-10-08） ============ */
.hero{position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:3}
.hero-deco{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:hidden}

/* 毫米刻度网（医疗器械精确感） */
.ruler-grid{position:absolute;inset:-10%;opacity:.5;
  background-image:
    linear-gradient(rgba(14,101,129,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,101,129,.10) 1px,transparent 1px),
    linear-gradient(rgba(14,101,129,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,101,129,.16) 1px,transparent 1px);
  background-size:24px 24px,24px 24px,120px 120px,120px 120px;
  -webkit-mask-image:radial-gradient(115% 95% at 72% 18%,#000 8%,transparent 74%);
          mask-image:radial-gradient(115% 95% at 72% 18%,#000 8%,transparent 74%)}

/* 镜片同心环：缓慢自转 */
.lens-ring{position:absolute;right:-80px;top:50%;width:min(560px,58vw);height:auto;
  transform:translateY(-50%);animation:lensSpin 52s linear infinite}
@keyframes lensSpin{from{transform:translateY(-50%) rotate(0)}to{transform:translateY(-50%) rotate(360deg)}}

/* 扫描线（验光仪采样感） */
.scanline{position:absolute;left:-10%;right:-10%;height:180px;
  background:linear-gradient(180deg,transparent,rgba(14,165,164,.16) 45%,rgba(14,165,164,.30) 50%,rgba(14,165,164,.16) 55%,transparent);
  animation:scanMove 9s ease-in-out infinite alternate}
@keyframes scanMove{from{top:-8%}to{top:88%}}

/* 色散光带（青→蓝→紫，光学折射意象） */
.dispersion{position:absolute;left:-8%;bottom:-40px;width:120%;height:150px;transform:rotate(-3deg);
  background:linear-gradient(90deg,rgba(14,165,164,.28),rgba(23,105,163,.26),rgba(94,63,190,.20),transparent);
  filter:blur(26px)}
.orb{position:absolute;border-radius:50%;filter:blur(60px)}
.orb-a{width:430px;height:430px;right:5%;top:-10%;background:radial-gradient(circle,rgba(14,165,164,.26),transparent 70%)}
.orb-b{width:360px;height:360px;left:-5%;bottom:-14%;background:radial-gradient(circle,rgba(23,105,163,.20),transparent 70%)}

/* 刻度分隔线（两端带刻度块） */
.section,.psec{position:relative}
.section::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1240px,92vw);height:1px;
  background:linear-gradient(90deg,transparent,rgba(14,101,129,.22) 18%,rgba(14,101,129,.22) 82%,transparent)}
.section::after{content:"";position:absolute;top:-2px;left:calc(50% - min(620px,46vw));width:5px;height:5px;
  background:rgba(14,165,164,.5);border-radius:1px}

/* 英文小标签（带方形刻度点） */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:#0ea5a4;font-weight:700;margin-bottom:10px}
.eyebrow i{width:6px;height:6px;background:linear-gradient(135deg,#0ea5a4,#1769a3);border-radius:1px;display:inline-block}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#0b5563;font-size:15px;
  border-bottom:1px solid rgba(14,101,129,.35);padding-bottom:3px;transition:.22s}
.text-link:hover{color:#0ea5a4;border-color:#0ea5a4;gap:12px}

/* 精密参数条 */
.prec-sec{padding:38px 0}
.prec{display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border:1px solid rgba(14,101,129,.14);border-radius:12px;overflow:hidden;background:#fff;
  box-shadow:0 14px 36px rgba(8,55,66,.08)}
.prec .pi{padding:26px 18px;text-align:center;position:relative;border-right:1px solid rgba(14,101,129,.10)}
.prec .pi:last-child{border-right:0}
.prec .pi b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#0b3944;letter-spacing:.5px}
.prec .pi b span{font-size:.55em;color:#0ea5a4;margin-left:2px}
.prec .pi span{display:block;margin-top:8px;font-size:13.5px;color:#6b8892;letter-spacing:.5px}

/* 视光产品大图带 */
.strip-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.strip-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:900;color:#0b3944;letter-spacing:.3px}
.pstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.psc{display:block;text-decoration:none;background:#fff;border:1px solid rgba(14,101,129,.12);
  border-radius:12px;overflow:hidden;transition:.28s;position:relative}
.psc::after{content:"";position:absolute;inset:0;border-radius:12px;padding:1px;
  background:linear-gradient(135deg,rgba(14,165,164,.9),rgba(23,105,163,.7),rgba(94,63,190,.5));
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.28s;pointer-events:none}
.psc:hover{transform:translateY(-8px);box-shadow:0 26px 52px rgba(8,55,66,.18)}
.psc:hover::after{opacity:1}
.psc-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:#f4fafb}
.psc-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.psc:hover .psc-img img{transform:scale(1.07)}
.psc-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,43,56,0) 50%,rgba(6,43,56,.6) 100%);opacity:0;transition:.28s}
.psc:hover .psc-img::after{opacity:1}
.psc-tag{position:absolute;left:12px;top:12px;z-index:2;font-size:12px;font-weight:700;color:#06535e;
  background:rgba(255,255,255,.94);padding:5px 10px;border-radius:999px;letter-spacing:.06em}
.psc-code{position:absolute;right:12px;bottom:12px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:#fff;opacity:0;transition:.28s;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.psc:hover .psc-code{opacity:.95}
.psc-meta{padding:16px 18px 20px;border-top:1px solid rgba(14,101,129,.12)}
.psc-meta b{display:block;font-size:17.5px;color:#0b3944}
.psc-meta span{display:block;margin-top:5px;font-size:13.5px;color:#6b8892;line-height:1.5}

/* 资质带：灰度→彩色 */
.honor-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.hs{display:block;text-decoration:none;background:#fff;border:1px solid rgba(14,101,129,.12);
  border-radius:12px;overflow:hidden;transition:.28s}
.hs:hover{transform:translateY(-6px);box-shadow:0 20px 42px rgba(8,55,66,.16);border-color:rgba(14,165,164,.45)}
.hs img{width:100%;height:190px;object-fit:contain;background:#f7fbfc;padding:14px;
  filter:grayscale(1);opacity:.8;transition:.35s}
.hs:hover img{filter:grayscale(0);opacity:1;transform:scale(1.03)}
.hs span{display:block;text-align:center;padding:12px;font-size:14.5px;font-weight:700;color:#0b3944;
  border-top:1px solid rgba(14,101,129,.12)}

/* 内页页头：光学网点 */
.page-hero{position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(90% 120% at 85% 0%,#000,transparent 72%);
          mask-image:radial-gradient(90% 120% at 85% 0%,#000,transparent 72%)}

@media(max-width:1080px){
  .pstrip{grid-template-columns:repeat(2,1fr)}
  .honor-strip{grid-template-columns:repeat(2,1fr)}
  .prec{grid-template-columns:repeat(2,1fr)}
  .prec .pi:nth-child(2){border-right:0}
  .prec .pi:nth-child(3){border-top:1px solid rgba(14,101,129,.10)}
  .prec .pi:nth-child(4){border-top:1px solid rgba(14,101,129,.10)}
}
@media(max-width:640px){
  .pstrip,.honor-strip,.prec{grid-template-columns:1fr}
  .prec .pi{border-right:0;border-top:1px solid rgba(14,101,129,.10)}
  .prec .pi:first-child{border-top:0}
  .lens-ring{opacity:.4;right:-150px}
  .strip-head{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  .lens-ring,.scanline{animation:none}
}

/* ============================================================
   设计系统补全层 v2 —— 与 web-design-layout 设计规范对齐
   排版 1.25 比例 / 间距 4px 网格 / 统一圆角·阴影·动效
   ============================================================ */
:root{
  /* --- 排版：Major Third 1.25 --- */
  --text-xs:.75rem;      /* 12px 标签 */
  --text-sm:.875rem;     /* 14px 辅助 */
  --text-base:1rem;      /* 16px 正文 */
  --text-md:.9375rem;    /* 15px 卡片正文（中文最小可读）*/
  --text-lg:1.125rem;    /* 18px 强调正文 */
  --text-xl:1.25rem;     /* 20px 小标题 */
  --text-2xl:1.5rem;     /* 24px 二级标题 */
  --text-3xl:1.875rem;   /* 30px 一级标题 */
  --text-4xl:2.25rem;    /* 36px 页面大标题 */
  --text-5xl:3rem;       /* 48px Hero 主标题 */

  --leading-body:1.78;   /* 中文正文行高 */
  --leading-head:1.3;    /* 标题行高 */

  /* --- 间距：4px 网格 --- */
  --sp-1:.25rem; --sp-2:.5rem; --sp-3:.75rem; --sp-4:1rem;
  --sp-5:1.25rem; --sp-6:1.5rem; --sp-8:2rem; --sp-10:2.5rem;
  --sp-12:3rem; --sp-16:4rem; --sp-20:5rem; --sp-24:6rem;

  /* --- 圆角 --- */
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-2xl:32px; --r-pill:999px;

  /* --- 阴影层级 --- */
  --sh-1:0 1px 2px rgba(12,27,42,.05);
  --sh-2:0 4px 12px rgba(12,27,42,.07);
  --sh-3:0 14px 36px rgba(11,90,99,.13);
  --sh-4:0 28px 64px rgba(8,50,58,.18);

  /* --- 动效 --- */
  --dur-fast:160ms; --dur:280ms; --dur-slow:520ms;
  --ease-out:cubic-bezier(0,0,.2,1);
  --ease-std:cubic-bezier(.4,0,.2,1);
  --ease-spring:cubic-bezier(.34,1.4,.64,1);
}

/* ---------- 顶部滚动进度（精密刻度感） ---------- */
.scroll-prog{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:120;
  background:linear-gradient(90deg,#0ea5a4 0%,#06b6d4 55%,#1769a3 100%);
  box-shadow:0 0 10px rgba(14,165,164,.55);
  transition:width 90ms linear;pointer-events:none;
}

/* ---------- 排版修正：中文可读性与层级 ---------- */
body{font-size:var(--text-base);line-height:var(--leading-body)}
h1,h2,h3,h4{line-height:var(--leading-head);text-wrap:balance}
.card p,.sol-card p,.price p,.pmini span,.pc-sub{font-size:var(--text-md);line-height:var(--leading-body)}
.about-copy p,.prose p{font-size:var(--text-base);line-height:1.8}
.sec-head p{font-size:16.5px;line-height:1.8;margin-top:16px}
.card h3,.sol-card h3{letter-spacing:-.01em}
.sec-head h2{letter-spacing:-.02em}

/* 数字等宽：仪器铭牌的精密感（金额/参数/编号/统计） */
.prec .pi b,.price .amt b,.hero-stats .s b,.mock-kpis .k b,
.mock-list .row b,.psc-code,.pcard .pc-more,.strip-head .text-link{
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}

/* ---------- 卡片组件规范化：统一内距 / 圆角 / 过渡 / 光学描边 ---------- */
.card,.sol-card,.price,.pcard,.pmini{position:relative;isolation:isolate}
.card,.sol-card{padding:var(--sp-8)}
.card,.sol-card,.price,.psc,.pcard,.pmini,.btn,.nav-links a,.pcard img{
  transition:transform var(--dur) var(--ease-out),
             box-shadow var(--dur) var(--ease-out),
             border-color var(--dur) var(--ease-out),
             background var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out),
             opacity var(--dur) var(--ease-out);
}
/* hover：光学描边（青→蓝→紫，镜片镀膜意象） */
.card::after,.sol-card::after,.price::after,.pcard::after,.pmini::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,#0ea5a4 0%,#1769a3 50%,#7c3aed 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;
  opacity:0;transition:opacity var(--dur) var(--ease-out);pointer-events:none;z-index:2;
}
.card:hover::after,.sol-card:hover::after,.price:hover::after,
.pcard:hover::after,.pmini:hover::after{opacity:.6}
.card:hover,.sol-card:hover,.price:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}

/* ---------- 章节标题：光学下划线 ---------- */
.sec-head h2{position:relative;padding-bottom:20px}
.sec-head h2::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:56px;height:3px;border-radius:2px;background:var(--grad-brand);opacity:.9;
}
.sec-head h2::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:8px;
  width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--c-line),transparent);
}
.section.dark .sec-head h2::after{background:linear-gradient(90deg,#5eead4,#67e8f9)}

/* ---------- 图片：柔和载入，避免突兀跳出 ---------- */
@keyframes zkImgIn{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:none}}
.pstrip img,.honor-strip img,.pcards img,.pminis img,.pimgs img,.about-visual img{
  animation:zkImgIn var(--dur-slow) var(--ease-out) both;
}

/* ---------- 玻璃质感：导航与浮层 ---------- */
.nav.scrolled{backdrop-filter:saturate(190%) blur(18px);background:rgba(255,255,255,.96)}
.hero-visual .float-card{border:1px solid rgba(14,165,164,.14);backdrop-filter:blur(6px)}

/* ---------- 无障碍：统一焦点环 ---------- */
a:focus-visible,button:focus-visible,.btn:focus-visible,
.nav-links a:focus-visible,input:focus-visible{
  outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px;
}
.section.dark a:focus-visible,.hero a:focus-visible{outline-color:#5eead4}

/* ---------- 无障碍：尊重系统「减少动效」 ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
}