:root{
    --ink:#0f1520;
    --ink2:#39435a;
    --muted:#6c7488;
    --line:#e5e8ef;
    --line2:#eff2f7;
    --bg:#ffffff;
    --soft:#f6f8fc;
    --accent:#1b4fd8;
    --accent-d:#153cae;
    --accent-soft:#eef3ff;
    --warn-soft:#fff8e8;
    --warn-line:#f2d99a;
    --radius:14px;
    --maxw:1140px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--ink);
    font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Segoe UI",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block}
  a{color:var(--accent);text-decoration:none}
  a:hover{text-decoration:underline}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  section{padding:72px 0;border-top:1px solid var(--line2)}
  .eyebrow{font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:700;margin:0 0 14px}
  h1{font-size:44px;line-height:1.25;margin:0 0 18px;letter-spacing:-.01em}
  h2{font-size:30px;line-height:1.35;margin:0 0 14px;letter-spacing:-.01em}
  h3{font-size:20px;margin:0 0 10px}
  .lead{font-size:18px;color:var(--ink2);margin:0 0 24px}
  .sub{color:var(--muted);font-size:15px}
  p{margin:0 0 14px}
  ul{margin:0 0 14px;padding-left:20px}
  li{margin:6px 0}

  /* ---------- 顶部通告 ---------- */
  .notice{background:var(--accent-soft);border-bottom:1px solid #dbe5ff;color:#1c3f9e;font-size:14px;text-align:center;padding:9px 16px}
  .notice b{color:var(--accent-d)}

  /* ---------- 导航 ---------- */
  header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;gap:28px;height:62px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
  .brand .brand-icon{width:28px;height:28px;object-fit:contain;flex-shrink:0}
  .brand small{font-weight:400;color:var(--muted);font-size:12px;margin-left:2px}
  .nav-links{display:flex;gap:22px;margin-left:auto;font-size:15px;color:var(--ink2)}
  .nav-links a{color:var(--ink2)}
  .nav-cta{background:var(--accent);color:#fff !important;padding:9px 18px;border-radius:9px;font-weight:600;font-size:15px}
  .nav-cta:hover{background:var(--accent-d);text-decoration:none}
  @media (max-width:900px){.nav-links{display:none}}

  /* ---------- 首屏 ---------- */
  .hero{
    border-top:none;padding:76px 0 64px;position:relative;overflow:hidden;
    background:
      radial-gradient(1100px 420px at 78% -10%, #eaf1ff 0%, rgba(234,241,255,0) 62%),
      linear-gradient(180deg,#fbfcff 0%,#ffffff 100%);
  }
  .hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
  @media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:34px}}
  .hero h1{font-size:46px}
  .hero .tagline{font-size:19px;color:var(--ink2);margin:0 0 26px}
  .hero .tagline b{color:var(--ink)}
  .btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .btn{display:inline-block;padding:14px 26px;border-radius:10px;font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer}
  .btn-primary{background:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-d);text-decoration:none}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:#c9d2e4;text-decoration:none}
  .btn-note{font-size:13px;color:var(--muted);margin-top:14px}
  .shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 46px rgba(20,40,90,.12);background:#fff}
  .shot img{width:100%}
  .shot figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line2);background:var(--soft)}

  /* ---------- 流程 ---------- */
  .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:30px 0 8px}
  @media (max-width:900px){.flow{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:520px){.flow{grid-template-columns:1fr}}
  .flow .step{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px}
  .flow .n{width:26px;height:26px;border-radius:8px;background:var(--accent);color:#fff;font-size:14px;font-weight:700;display:grid;place-items:center;margin-bottom:10px}
  .flow .step b{display:block;font-size:15px;margin-bottom:6px}
  .flow .step span{font-size:13.5px;color:var(--muted);line-height:1.6}

  /* ---------- 图文交替 ---------- */
  .feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
  .feature:last-child{margin-bottom:0}
  .feature.rev .ftext{order:2}
  .feature.rev .fmedia{order:1}
  @media (max-width:900px){
    .feature{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
    .feature.rev .ftext,.feature.rev .fmedia{order:initial}
  }
  .fnum{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;margin-bottom:8px}

  /* ---------- 卡片网格 ---------- */
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
  @media (max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:560px){.cards{grid-template-columns:1fr}}
  .card{border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff}
  .card h4{margin:0 0 8px;font-size:16px}
  .card p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}

  /* ---------- 表格 ---------- */
  .tbl-wrap{overflow-x:auto;margin:22px 0 10px;border:1px solid var(--line);border-radius:12px}
  table{border-collapse:collapse;width:100%;min-width:560px;font-size:14.5px;background:#fff}
  th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line2);vertical-align:top}
  thead th{background:var(--soft);font-size:13.5px;color:var(--ink2);font-weight:700;white-space:nowrap}
  tbody tr:last-child td{border-bottom:none}
  td.no{color:#b0b6c4}
  .ok{color:#137a3f;font-weight:600}
  .yes{color:#137a3f;font-weight:700}

  /* ---------- 提示框 ---------- */
  .callout{background:var(--warn-soft);border:1px solid var(--warn-line);border-radius:12px;padding:16px 18px;font-size:14.5px;color:#6a4b06;margin:20px 0}
  .callout.info{background:var(--accent-soft);border-color:#d7e2ff;color:#1b3a8c}
  .callout b{color:inherit}

  /* ---------- CTA 条 ---------- */
  .ctabar{background:linear-gradient(135deg,#153cae,#2f66f0);border-radius:16px;padding:38px 36px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}
  @media (max-width:760px){.ctabar{grid-template-columns:1fr;padding:30px 24px}}
  .ctabar h2{color:#fff;margin:0 0 8px;font-size:26px}
  .ctabar p{color:rgba(255,255,255,.88);margin:0;font-size:15.5px}
  .ctabar .btn{background:#fff;color:var(--accent-d);white-space:nowrap}
  .ctabar .btn:hover{background:#eef3ff;text-decoration:none}

  /* ---------- FAQ ---------- */
  details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px;background:#fff}
  details[open]{background:#fcfdff}
  summary{cursor:pointer;font-weight:600;padding:16px 0;font-size:16px;list-style:none;display:flex;gap:10px;align-items:flex-start}
  summary::-webkit-details-marker{display:none}
  summary:before{content:"＋";color:var(--accent);font-weight:700;flex:0 0 auto}
  details[open] summary:before{content:"－"}
  details .ans{padding:0 0 18px 26px;color:var(--ink2);font-size:15px}
  details .ans p:last-child{margin-bottom:0}

  /* ---------- 获取表单 ---------- */
  .getgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start;margin-top:26px}
  @media (max-width:900px){.getgrid{grid-template-columns:1fr;gap:26px}}
  .getsteps{display:grid;gap:14px}
  .gstep{border:1px solid var(--line);border-radius:12px;padding:20px 22px;background:#fff;position:relative}
  .gstep .num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em}
  .gstep h4{margin:8px 0 8px;font-size:17px}
  .gstep p{font-size:14px;color:var(--muted);margin:0}
  .gstep p b{color:var(--ink)}

  .dlcard{border:1px solid var(--line);border-radius:14px;background:#fff;padding:26px;box-shadow:0 14px 38px rgba(20,40,90,.08)}
  .dlcard h3{margin:0 0 6px;font-size:19px}
  .dlcard .hint{font-size:13.5px;color:var(--muted);margin:0 0 18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink2);margin-bottom:6px}
  .field label .req{color:#d33;margin-left:3px}
  .field input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
  .field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(27,79,216,.12)}
  .field input.bad{border-color:#e2596a;box-shadow:0 0 0 3px rgba(226,89,106,.12)}
  .field .err{display:none;font-size:12.5px;color:#c8324a;margin-top:5px}
  .field .err.show{display:block}
  .frow2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  @media (max-width:560px){.frow2{grid-template-columns:1fr}}
  .dlcard .btn{width:100%;text-align:center;border:none}
  .form-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.6}
  .dlok{display:none;background:#eefaf1;border:1px solid #bfe6cb;border-radius:12px;padding:18px;margin-bottom:18px}
  .dlok.show{display:block}
  .dlok b{display:block;color:#137a3f;font-size:15px;margin-bottom:6px}
  .dlok p{font-size:13.5px;color:#2c6b45;margin:0}
  .dlok .btn{margin-top:14px;background:var(--accent);color:#fff;width:100%;text-align:center}
  .dlok .btn:hover{background:var(--accent-d);text-decoration:none}

  /* ---------- 页脚 ---------- */
  footer{border-top:1px solid var(--line);background:var(--soft);padding:44px 0 34px;font-size:14px;color:var(--muted)}
  footer .frow{display:grid;grid-template-columns:1.4fr 1fr;gap:32px}
  @media (max-width:760px){footer .frow{grid-template-columns:1fr}}
  footer strong{color:var(--ink)}
  footer a{color:var(--ink2)}
  .copy{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:13px}

/* Production refinements */
:root{--accent:#1755d1;--accent-d:#113d9f;--ink:#15233e;--maxw:1200px}
html{scroll-padding-top:82px}section{padding:88px 0}.notice{font-size:12px;letter-spacing:.04em;background:#153a7b;color:#e7efff;border:0}.notice b{color:#fff}
.nav-in{height:76px}.brand{font-size:22px;letter-spacing:-.04em}.nav-links{font-size:14px}.nav-cta{font-size:14px;border-radius:6px}
.hero{padding:90px 0 80px;background:radial-gradient(ellipse at 80% 30%,#e3edff,transparent 65%),#f8faff}.hero-grid{grid-template-columns:.86fr 1.14fr;gap:40px}.hero h1{font-size:47px;letter-spacing:-.04em}.hero .tagline{font-size:17px}.eyebrow{font-size:12px;letter-spacing:.18em}.btn{border-radius:6px;padding:13px 21px;font-size:15px}.shot{border-radius:8px;box-shadow:0 14px 40px #16366513}.hero .shot{transform:perspective(1200px) rotateY(-3deg);border:5px solid white}.shot img{height:auto;object-fit:contain}.shot figcaption{font-size:12px}.feature{gap:54px;margin-top:50px}.fnum{font-family:monospace;letter-spacing:.12em}.flow .step{border-radius:7px;background:white;border-top:3px solid #1b4fd8}.flow{gap:12px}#workflow{background:#f6f8fc}.cards .card{border-radius:7px}.ctabar{border-radius:9px;background:#123c85}.dlcard{border-radius:10px;box-shadow:0 16px 50px #123b8210;border-top:4px solid var(--accent)}input{font:inherit}input:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #81aeff;outline-offset:3px}.consent{font-size:12px;color:var(--muted);display:flex;gap:9px;margin:16px 0}.consent input{width:17px;flex-shrink:0}.honeypot{position:absolute!important;left:-10000px!important}#submit-status{font-size:14px;color:#b42318}.btn[disabled]{opacity:.6;cursor:wait}footer{background:#f6f8fc}details{border-radius:6px}p,li{overflow-wrap:anywhere}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.hero .shot{transform:none}.hero h1{font-size:40px}.hero{padding:50px 0}.nav-in{gap:12px}.nav-cta{margin-left:auto}.feature{gap:26px}section{padding:56px 0}}
@media(max-width:520px){.wrap{padding:0 20px}.brand small{display:none}.hero h1{font-size:34px}.hero .tagline{font-size:16px}h2{font-size:26px}.btns .btn{width:100%;text-align:center}.flow{grid-template-columns:1fr}.getgrid{grid-template-columns:1fr}.dlcard{padding:22px}.frow2{grid-template-columns:1fr}.nav-in{height:66px}.btn-note{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.product-breadcrumb{padding-top:16px;padding-bottom:16px;font-size:13px;color:var(--muted)}.product-breadcrumb a{color:var(--accent)}.product-breadcrumb span{margin-left:8px}