:root {
  --blue: #0A00B4;
  --blue-deep: #080090;
  --blue-dark: #06006B;
  --blue-tint: #F0F0FF;
  --green: #93D500;
  --ink: #14141F;
  --gray: #53565A;
  --line: #E6E8F2;
  --bg: #F7F8FC;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
}

.num, .en { font-family: "Work Sans", "Source Han Sans CN", sans-serif; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

a { text-decoration: none; color: inherit; }

/* ---------- header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 34px; }
nav { display: flex; gap: 26px; margin-left: 8px; }
nav a { font-size: 15px; color: var(--gray); }
nav a:hover { color: var(--blue); }
nav a.on { color: var(--blue); font-weight: 700; }
nav a.soon { color: #B4B7C0; }
.header-cta { margin-left: auto; }

.btn {
  display: inline-block; padding: 10px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 700; cursor: pointer; border: none;
}
.btn-primary { background: var(--green); color: var(--blue-deep); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-deep); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.6); }
.btn-ghost:hover { border-color: #fff; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  padding: 96px 0 120px;
}
.hero .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 2px;
  color: var(--green); font-weight: 700; margin-bottom: 18px;
}
.hero h1 { font-size: 46px; line-height: 1.25; font-weight: 800; max-width: 720px; }
.hero .sub { font-size: 19px; margin: 20px 0 36px; max-width: 640px; color: rgba(255, 255, 255, 0.88); }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .trust { margin-top: 44px; font-size: 14px; color: rgba(255, 255, 255, 0.72); }
.hero .trust b { color: #fff; font-weight: 700; }
.hero-svg { position: absolute; right: -40px; bottom: -10px; width: 620px; opacity: 0.9; pointer-events: none; }

/* hero light (product page) */
.hero-light { background: var(--blue-tint); color: var(--ink); padding: 84px 0 72px; }
.hero-light .eyebrow { color: var(--blue); }
.hero-light h1 { color: var(--blue); }
.hero-light .sub { color: var(--gray); }

/* statement band (one-solution line, ref: Lifted) */
.statement { padding: 56px 0; border-bottom: 1px solid var(--line); }
.statement p { font-size: 26px; font-weight: 700; line-height: 1.6; max-width: 900px; }
.statement b { color: var(--blue); }

/* ---------- sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg); }
.sec-head { margin-bottom: 44px; }
.sec-head .k { font-size: 13px; letter-spacing: 2px; color: var(--blue); font-weight: 700; }
.sec-head h2 { font-size: 32px; font-weight: 800; margin-top: 8px; }
.sec-head p { color: var(--gray); margin-top: 10px; max-width: 680px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 30px 28px;
}
.card .ico {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--blue-tint); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; margin-bottom: 18px;
}
.card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.card ul { list-style: none; }
.card li { font-size: 14.5px; color: var(--gray); padding: 4px 0 4px 18px; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; border-radius: 2px; background: var(--green); }

/* steps */
.step { text-align: left; }
.step .n {
  font-family: "Work Sans", sans-serif; font-size: 15px; font-weight: 800;
  color: var(--blue); border: 2px solid var(--blue); border-radius: 999px;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--gray); }

/* trust band */
.trust-band { background: var(--blue); color: #fff; padding: 64px 0; }
.trust-band .grid-3 { gap: 32px; }
.tb-item .big { font-family: "Work Sans", sans-serif; font-size: 44px; font-weight: 800; color: var(--green); line-height: 1.1; }
.tb-item .big small { font-size: 18px; color: #fff; font-weight: 700; margin-left: 4px; }
.tb-item p { margin-top: 8px; font-size: 15px; color: rgba(255, 255, 255, 0.85); }

/* cases */
.case .tag {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue);
  background: var(--blue-tint); border-radius: 999px; padding: 3px 12px; margin-bottom: 14px;
}
.case h3 { font-size: 18px; font-weight: 800; }
.case p { font-size: 14.5px; color: var(--gray); margin-top: 8px; }
.footnote { margin-top: 20px; font-size: 12.5px; color: #8A8D96; }

/* compliance strip */
.strip { background: var(--blue-tint); padding: 56px 0; }
.strip-in { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.strip-in .t { flex: 1; min-width: 320px; }
.strip-in h2 { font-size: 26px; font-weight: 800; color: var(--blue); }
.strip-in p { color: var(--gray); margin-top: 8px; }

/* system frames (product page) */
.frame {
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff;
}
.frame .bar { height: 34px; background: var(--bg); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.frame .bar i { width: 9px; height: 9px; border-radius: 50%; background: #D6D8E2; }
.frame .screen {
  height: 150px; display: flex; align-items: center; justify-content: center;
  color: #A9ACB8; font-size: 13px; background:
    repeating-linear-gradient(0deg, #FAFBFF, #FAFBFF 14px, #F2F4FB 14px, #F2F4FB 15px);
}
.frame .cap { padding: 12px 14px; font-size: 14px; font-weight: 700; border-top: 1px solid var(--line); }

/* modes */
.mode .lvl { font-size: 12.5px; font-weight: 700; color: var(--green); letter-spacing: 1px; }
.mode h3 { margin: 6px 0 10px; }

/* cta band */
.cta-band { background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%); color: #fff; padding: 72px 0; text-align: center; }
.cta-band h2 { font-size: 30px; font-weight: 800; }
.cta-band p { margin: 12px 0 30px; color: rgba(255, 255, 255, 0.85); }

/* footer */
footer { background: var(--blue-dark); color: rgba(255, 255, 255, 0.8); padding: 52px 0 40px; font-size: 14px; }
footer .slogan { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: 1px; }
footer .cols { display: flex; gap: 56px; flex-wrap: wrap; margin-top: 22px; }
footer .qr {
  width: 92px; height: 92px; border-radius: 10px; background: rgba(255, 255, 255, 0.12);
  display: flex; align-items: center; justify-content: center; font-size: 12px; color: rgba(255, 255, 255, 0.6);
  text-align: center; line-height: 1.4;
}
footer .copy { margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.15); font-size: 12.5px; color: rgba(255, 255, 255, 0.5); }

/* clients logo wall */
.clients .row-label { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--gray); margin: 26px 0 10px; }
.clients .logo-row { display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px; }
.clients .logo-row img {
  width: 100%; height: 68px; object-fit: contain; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.clients .footnote a { color: var(--blue); font-weight: 700; }

/* brand matrix cards */
.brand-grid { gap: 16px; }
.brand-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; text-decoration: none; transition: border-color .2s, transform .2s;
}
.brand-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.brand-card h3 { color: var(--blue); font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.brand-card p { color: var(--gray); font-size: 13.5px; line-height: 1.7; margin-bottom: 12px; }
.brand-card .en { color: var(--blue); font-size: 13px; font-weight: 700; }

footer a { color: rgba(255, 255, 255, 0.78); text-decoration: none; }
footer a:hover { color: #fff; }

/* floating diagnosis */
.float-cta {
  position: fixed; right: 26px; bottom: 26px; z-index: 60;
  background: var(--green); color: var(--blue-deep); font-weight: 800;
  padding: 13px 24px; border-radius: 999px; font-size: 15px;
  box-shadow: 0 8px 24px rgba(10, 0, 180, 0.28);
}

@media (max-width: 900px) {
  nav { display: none; }
  .hero h1 { font-size: 32px; }
  .hero-svg { display: none; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .clients .logo-row { grid-template-columns: repeat(4, 1fr); }
}