:root{
  --brand:#006eb8;
  --brand-dark:#00528d;
  --brand-light:#eaf5ff;
  --ink:#1f2937;
  --muted:#667085;
  --line:#e5e7eb;
  --bg:#f6f8fb;
  --card:#ffffff;
  --danger:#b42318;
  --warning:#b54708;
  --radius:18px;
  --shadow:0 18px 45px rgba(15,35,55,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}.container{max-width:1180px;margin:0 auto;padding:0 20px}.section{padding:72px 0}.section-tight{padding:48px 0}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.05em;text-transform:uppercase;font-size:.82rem}.section-title{font-size:2rem;line-height:1.25;margin:8px 0 12px}.section-desc{color:var(--muted);max-width:780px}.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:20px;top:20px;background:#fff;padding:10px 14px;z-index:9999;border-radius:10px}.topbar{background:#073b61;color:#dcecff;font-size:.86rem}.topbar .container{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}.navbar{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06)}.nav-inner{height:74px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand img{width:114px;height:auto}.brand-text{font-weight:900;color:var(--brand);font-size:1.18rem;letter-spacing:.03em}.nav{display:flex;list-style:none;gap:22px}.nav a{color:#475467;font-weight:700;padding:24px 0;border-bottom:3px solid transparent}.nav a:hover,.nav a.active{color:var(--brand);border-color:var(--brand)}.nav-cta{display:flex;gap:10px}.mobile-toggle{display:none;border:0;background:var(--brand-light);color:var(--brand);border-radius:10px;padding:9px 12px;font-weight:800}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 22px;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(0,110,184,.22)}.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;color:var(--brand);border-color:#c7e4ff}.btn-secondary:hover{border-color:var(--brand);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--brand);border-color:#d4eafe}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.18),transparent 24%),linear-gradient(135deg,#006eb8 0%,#004f86 58%,#052b4a 100%);color:#fff}.hero:before{content:"";position:absolute;inset:auto -15% -45% -15%;height:70%;background:rgba(255,255,255,.06);border-radius:50%}.hero .container{position:relative;z-index:1}.hero-slider{position:relative;min-height:560px}.hero-slide{display:none;grid-template-columns:1.05fr .95fr;align-items:center;gap:42px;padding:70px 0}.hero-slide.active{display:grid}.hero h1{font-size:3.2rem;line-height:1.12;margin:12px 0 18px}.hero p{font-size:1.15rem;color:#dcecff;max-width:680px}.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.badge{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.12);border-radius:999px;padding:8px 13px;color:#f1f8ff;font-weight:700;font-size:.9rem}.hero-visual{background:linear-gradient(145deg,rgba(255,255,255,.18),rgba(195,225,255,.18));border:1px solid rgba(255,255,255,.22);border-radius:28px;padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.2)}.hero-visual img{width:100%;max-height:430px;object-fit:contain;object-position:center;filter:drop-shadow(0 18px 28px rgba(7,39,69,.25))}.slider-dots{position:absolute;left:0;bottom:28px;display:flex;gap:10px}.slider-dots button{width:38px;height:6px;border:0;border-radius:999px;background:rgba(255,255,255,.38);cursor:pointer}.slider-dots button.active{background:#fff}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-body{padding:26px}.feature-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.feature-icon{width:46px;height:46px;border-radius:14px;background:var(--brand-light);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:1.4rem;margin-bottom:14px}.feature-card h3,.card h3{font-size:1.16rem;margin-bottom:8px}.feature-card p,.card p{color:var(--muted)}.product-media{display:flex;align-items:center;justify-content:center;min-height:320px;padding:26px;background:radial-gradient(circle at top right,#fafdff 0%,#ebf5ff 45%,#e1efff 100%)}.product-media img{width:100%;max-height:320px;object-fit:contain;object-position:center;filter:drop-shadow(0 16px 24px rgba(15,35,55,.14))}.product-card .product-media{min-height:300px;padding:24px}.product-card .product-media img{max-height:300px}.product-gallery{margin-top:12px}.product-meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.tag{display:inline-flex;border-radius:999px;background:var(--brand-light);color:var(--brand);padding:4px 10px;font-size:.82rem;font-weight:800}.note{background:#fff8e7;border:1px solid #fedf89;color:#7a2e0e;border-radius:14px;padding:14px 16px}.official-note{background:#ecfdf3;border:1px solid #abefc6;color:#085d3a;border-radius:14px;padding:16px 18px}.warning-note{background:#fff3f0;border:1px solid #fecdca;color:#7a271a;border-radius:14px;padding:16px 18px}.page-head{background:linear-gradient(135deg,#006eb8,#004f86);color:#fff;padding:70px 0}.page-head h1{font-size:2.5rem;margin:8px 0 10px}.page-head p{color:#dcecff;max-width:760px}.breadcrumb{font-size:.92rem;color:#dcecff}.breadcrumb a{text-decoration:underline}.content-layout{display:grid;grid-template-columns:280px 1fr;gap:28px}.side-nav{position:sticky;top:92px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.side-nav a{display:block;padding:10px 12px;border-radius:12px;color:#475467;font-weight:700}.side-nav a:hover,.side-nav a.active{background:var(--brand-light);color:var(--brand)}.prose{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:32px}.prose h2{font-size:1.55rem;margin:28px 0 12px;color:#0f3b5f}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.18rem;margin:22px 0 10px}.prose p{margin:10px 0;color:#475467}.prose ul,.prose ol{padding-left:22px;margin:10px 0;color:#475467}.prose li{margin:6px 0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.table th{background:#f8fbff;color:#0f3b5f;white-space:nowrap}.table tr:last-child td{border-bottom:0}.spec-highlight{font-weight:800;color:var(--brand)}.download-card{padding:26px}.download-card .url{word-break:break-all;color:#475467}.download-card .code{font-weight:900;color:var(--danger);margin-top:8px}.faq-list{display:grid;gap:14px}.faq-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:0 8px 26px rgba(15,35,55,.05)}.faq-row h3{font-size:1.05rem;margin-bottom:7px}.faq-row p{color:var(--muted);margin-bottom:12px}.solution-meta{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 20px}.solution-meta span{background:#f2f4f7;border-radius:999px;padding:6px 10px;font-size:.84rem;color:#475467}.steps{counter-reset:step}.step{position:relative;padding-left:54px;margin:18px 0}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:2px;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}.contact-panel{background:linear-gradient(135deg,#006eb8,#004f86);border-radius:24px;color:#fff;padding:32px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;overflow:hidden}.contact-panel p{color:#dcecff}.qr{background:#fff;border-radius:18px;padding:12px;width:150px}.footer{background:#082033;color:#b6c2cc;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer h3,.footer h4{color:#fff;margin-bottom:12px}.footer a{display:block;color:#b6c2cc;margin:6px 0}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#8ea0ae;font-size:.88rem}.footer-logo{width:130px;margin-bottom:12px}.soft-divider{height:1px;background:var(--line);margin:26px 0}.policy-list{display:grid;gap:16px}.policy-item{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}.policy-item h3{color:#0f3b5f;margin-bottom:8px}.label-danger{color:#b42318;font-weight:900}.two-col{columns:2;column-gap:32px}.template-box{background:#f8fbff;border:1px dashed #9ecdf6;border-radius:16px;padding:18px;white-space:pre-wrap;color:#334155}
@media (max-width: 900px){.hero-slide{grid-template-columns:1fr;padding:50px 0 80px}.hero h1{font-size:2.35rem}.hero-slider{min-height:auto}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.content-layout{grid-template-columns:1fr}.side-nav{position:static}.contact-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;box-shadow:0 18px 30px rgba(0,0,0,.08)}.nav.open{display:block}.nav li{margin:8px 0}.nav a{display:block;padding:9px 0}.mobile-toggle{display:block}.nav-cta{display:none}.topbar .container{display:block}.product-media{min-height:280px;padding:20px}.product-media img{max-height:280px}.two-col{columns:1}}
@media (max-width: 540px){.section{padding:48px 0}.page-head{padding:48px 0}.page-head h1{font-size:2rem}.hero h1{font-size:2rem}.hero p{font-size:1rem}.footer-grid{grid-template-columns:1fr}.brand img{width:98px}.nav-inner{height:68px}.slider-dots{bottom:18px}.card-body,.prose{padding:22px}.contact-panel{padding:24px}.qr{width:130px}.hero-visual{padding:16px}.hero-visual img{max-height:280px}.product-media{min-height:230px;padding:16px}.product-media img{max-height:230px}}


/* 2026-06-06 品牌首页与常见问题优化 */
.hero{background:
  radial-gradient(circle at 88% 8%,rgba(255,255,255,.22),transparent 22%),
  radial-gradient(circle at 18% 90%,rgba(35,170,255,.28),transparent 30%),
  linear-gradient(135deg,#006eb8 0%,#005a9d 48%,#061d35 100%);
}
.hero-slide{min-height:560px}
.hero-panel{position:relative}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.12);border-radius:999px;padding:7px 13px;color:#eaf6ff;font-weight:800;font-size:.86rem;margin-bottom:16px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px;max-width:620px}
.hero-stat{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.11);border-radius:16px;padding:14px 16px}
.hero-stat strong{display:block;font-size:1.32rem;color:#fff;line-height:1.1}
.hero-stat span{display:block;color:#dcecff;font-size:.86rem;margin-top:4px}
.hero-visual{position:relative;min-height:470px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(213,237,255,.14));}
.hero-visual:before{content:"";position:absolute;inset:10%;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.38),rgba(255,255,255,0) 68%);filter:blur(4px)}
.hero-visual:after{content:"DEFFAD";position:absolute;right:18px;bottom:6px;font-size:4.5rem;font-weight:900;letter-spacing:.08em;color:rgba(255,255,255,.10);line-height:1}
.hero-visual img{position:relative;z-index:1;max-height:430px}
.hero-visual--wide img{max-height:390px}
.hero-visual--support{background:linear-gradient(145deg,rgba(255,255,255,.18),rgba(167,214,255,.18));}
.support-card-visual{position:relative;z-index:1;width:100%;max-width:430px;background:rgba(255,255,255,.94);border-radius:24px;padding:24px;box-shadow:0 28px 55px rgba(0,0,0,.22);color:#0f3b5f}
.support-card-visual h3{font-size:1.4rem;margin-bottom:12px}
.support-list{display:grid;gap:10px;margin:18px 0}
.support-list span{display:flex;align-items:center;gap:10px;background:#f1f8ff;border:1px solid #d6ebff;border-radius:14px;padding:10px 12px;color:#334155;font-weight:700}
.support-list span:before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;font-size:.78rem;font-weight:900}
.support-card-visual .mini-note{color:#667085;font-size:.92rem}
.product-media{background:radial-gradient(circle at 50% 35%,#fff 0%,#eef7ff 45%,#ddeeff 100%);}
.product-card:hover{transform:translateY(-2px);transition:.2s ease}
.kb-hero{background:linear-gradient(135deg,#006eb8,#004f86);color:#fff;padding:70px 0}
.kb-hero h1{font-size:2.5rem;margin:8px 0 10px}
.kb-hero p{color:#dcecff;max-width:820px}
.kb-tools{display:grid;grid-template-columns:1.4fr .6fr;gap:18px;margin-top:28px}
.search-box{background:#fff;border-radius:18px;padding:16px 18px;box-shadow:0 14px 36px rgba(0,0,0,.12);display:flex;gap:12px;align-items:center}
.search-box input{border:0;outline:0;font-size:1rem;flex:1;color:#1f2937}
.kb-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.kb-badges span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 12px;font-weight:700;color:#f3f9ff}
.kb-layout{display:grid;grid-template-columns:260px 1fr;gap:26px}
.kb-sidebar{position:sticky;top:92px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.kb-sidebar h3{font-size:1rem;margin-bottom:12px;color:#0f3b5f}
.kb-sidebar a{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;color:#475467;font-weight:700}
.kb-sidebar a:hover{background:var(--brand-light);color:var(--brand)}
.kb-main{display:grid;gap:18px}
.kb-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 28px rgba(15,35,55,.06)}
.kb-card h2{font-size:1.25rem;color:#0f3b5f;margin-bottom:12px}
.kb-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.kb-item{display:block;border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff;transition:.18s ease}
.kb-item:hover{border-color:#9ecdf6;transform:translateY(-1px);box-shadow:0 10px 28px rgba(0,110,184,.08)}
.kb-item h3{font-size:1.05rem;margin-bottom:7px;color:#0f3b5f}
.kb-item p{color:#667085;margin-bottom:12px}
.kb-item .tag{margin-right:6px;margin-bottom:4px}
.kb-empty{display:none;background:#fff3f0;border:1px solid #fecdca;color:#7a271a;border-radius:14px;padding:14px 16px}

@media (max-width:900px){
  .hero-slide{min-height:auto}
  .hero-visual{min-height:360px}
  .hero-stats{grid-template-columns:1fr}
  .kb-tools{grid-template-columns:1fr}
  .kb-layout{grid-template-columns:1fr}
  .kb-sidebar{position:static}
  .kb-card-grid{grid-template-columns:1fr}
}
@media (max-width:540px){
  .hero-visual{min-height:290px}
  .hero-visual:after{font-size:2.4rem;right:12px}
  .support-card-visual{padding:18px;border-radius:18px}
  .kb-hero{padding:48px 0}
  .kb-hero h1{font-size:2rem}
}