:root { --blue: #107DFF; --ink: #12213c; --muted: #64738d; }
html { scroll-behavior: smooth; } body { background: #fff; color: var(--ink); }.main { width: min(1400px, calc(100% - 56px)); }.site-header { position: sticky; top: 0; z-index: 100; height: 60px; border-bottom: 1px solid #eef3fa; background: #fff; }.site-header .main { width: min(1400px, calc(100% - 56px)); max-width: none; display: flex; align-items: center; height: 100%; }.site-header .logo { flex: 0 0 auto; display: flex; align-items: center; gap: 4px; overflow: visible; color: #107dff; font-family: var(--site-font); font-size: 18px; font-weight: bold; line-height: 34px; letter-spacing: .2px; white-space: nowrap; }.site-header .logo span { display: inline-block; color: #107dff; font-size: 18px; font-weight: bold; line-height: 34px; }.site-header .logo img { display: block; width: 46px; height: auto; flex: 0 0 46px; border-radius: 0; object-fit: contain; object-position: left center; }.site-header .nav { display: flex; flex: 1; height: 100%; align-items: center; justify-content: center; margin-left: 34px; margin-right: 24px; gap: 0; }.site-header .nav a { position: relative; display: flex; height: 100%; align-items: center; padding: 0 21px; border-radius: 0; color: #333; font-family: var(--site-font); font-size: 16px; font-weight: 700; white-space: nowrap; background: transparent; }.site-header .nav a:hover { color: #107dff; background: transparent; }.login-link { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; min-width: 112px; height: 40px; padding: 0 16px; border-radius: 8px; color: #fff; font-size: 14px; font-weight: 700; background: var(--blue); }
.video-container { position: relative; min-height: 620px; overflow: hidden; color: #fff; background: #071d49; }.hero-background-video, .video-mask { position: absolute; inset: 0; }.hero-background-video { width: 100%; height: 100%; object-fit: cover; object-position: center; }.video-mask { background: linear-gradient(90deg, rgba(0,13,31,.22), rgba(0,13,31,.34) 48%, rgba(0,13,31,.46)); }.hero-main { position: relative; z-index: 1; min-height: 620px; display: flex; align-items: center; }.hero-copy { width: 590px; margin-left: auto; margin-right: 4%; text-align: left; }.hero-copy h1 { margin: 0; color: #fff; font-size: 42px; line-height: 1.35; font-weight: 700; letter-spacing: -.5px; }.hero-copy > p:last-of-type { margin: 28px 0 34px; color: rgba(255,255,255,.94); line-height: 1.8; font-size: 18px; }.btn { display: inline-flex; align-items: center; justify-content: center; min-width: 300px; height: 60px; padding: 0 21px; border-radius: 9px; color: #fff; font-size: 17px; font-weight: bold; background: linear-gradient(135deg, #2489ff, #526de5); box-shadow: 0 12px 25px rgba(0,22,80,.24); }
.section-kicker { margin: 0 0 10px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .08em; }.section-heading h2 { margin: 0; color: var(--ink); font-size: 28px; }.banner { position: relative; height: 405px; overflow: hidden; isolation: isolate; background: linear-gradient(180deg, #eef7ff, #f8fbff); }.banner::before { position: absolute; z-index: -2; top: -6%; right: -2%; width: 54%; height: 112%; content: ""; opacity: .17; filter: blur(5px) saturate(.75); transform: scale(1.04); background: linear-gradient(135deg, rgba(16,125,255,.16), rgba(41,197,184,.10)); }.banner::after { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .52; background: radial-gradient(circle at 76% 25%, rgba(33,142,255,.28) 0 3px, transparent 4px), radial-gradient(circle at 91% 72%, rgba(33,142,255,.22) 0 4px, transparent 5px), linear-gradient(90deg, #eef7ff 0%, rgba(238,247,255,.92) 48%, rgba(238,247,255,.5)), repeating-linear-gradient(0deg, transparent 0 31px, rgba(61,144,232,.12) 32px), repeating-linear-gradient(90deg, transparent 0 31px, rgba(61,144,232,.12) 32px); }.banner .main { position: relative; z-index: 1; padding-top: 55px; }.pain-heading { margin-bottom: 30px; }.banner .list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }.banner .item { min-height: 116px; padding: 20px 22px; border: 1px solid rgba(190,217,247,.82); border-radius: 14px; background: rgba(255,255,255,.72); box-shadow: 0 10px 24px rgba(41,98,156,.08); backdrop-filter: blur(10px); }.banner .item span { color: #67adf7; font-weight: 800; font-size: 25px; line-height: 1; }.banner .item p { margin: 12px 0 7px; color: var(--ink); font-size: 20px; font-weight: bold; }.banner .item small { display: block; color: var(--muted); font-size: 14px; line-height: 1.7; }.banner-desc { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: -62px; padding: 30px; border: 1px solid rgba(217,232,249,.9); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: 0 13px 30px rgba(46,91,143,.12); backdrop-filter: blur(16px); }.banner-desc article { padding: 0 42px; text-align: center; border-right: 1px solid #e7eef7; }.banner-desc article:last-child { border: 0; }.banner-desc p { margin: 0 0 11px; color: var(--ink); font-size: 19px; font-weight: bold; }.banner-desc span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.product-value { position: relative; isolation: isolate; display: grid; grid-template-columns: .78fr 1.22fr; gap: 58px; min-height: 560px; align-items: center; margin-top: 74px; padding: 68px 62px; overflow: hidden; border: 1px solid #e1edf9; border-radius: 28px; background: radial-gradient(circle at 72% 52%, rgba(16, 125, 255, .18), transparent 31%), linear-gradient(135deg, #f4f9ff 0%, #eef8ff 100%); }.product-value::before { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .58; background: radial-gradient(circle at 8% 18%, rgba(26,126,247,.16), transparent 24%), radial-gradient(circle at 92% 86%, rgba(41,197,184,.14), transparent 22%), repeating-linear-gradient(90deg, transparent 0 47px, rgba(70,139,216,.06) 48px), repeating-linear-gradient(0deg, transparent 0 47px, rgba(70,139,216,.06) 48px); }.product-value h2, .product-fn h2 { margin: 0 0 30px; color: var(--ink); font-size: 28px; }.product-value h2 span, .product-fn h2 span { color: var(--blue); }
.product-fn { position: relative; isolation: isolate; margin-top: 80px; padding: 76px 0 88px; overflow: hidden; background: #eff8ff; }.product-fn::before { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .6; background: radial-gradient(circle at 18% 18%, rgba(34,137,255,.16), transparent 22%), radial-gradient(circle at 84% 78%, rgba(32,197,184,.13), transparent 20%), repeating-linear-gradient(0deg, transparent 0 39px, rgba(56,133,218,.07) 40px), repeating-linear-gradient(90deg, transparent 0 39px, rgba(56,133,218,.07) 40px); }.product-fn .main { position: relative; z-index: 1; }.fn-heading { margin-bottom: 42px; text-align: center; }.fn-heading .section-kicker { font-size: 15px; }.product-fn h2 { margin-bottom: 0; text-align: center; font-size: 34px; }.fn-layout { display: grid; grid-template-columns: 1.14fr .86fr; gap: 34px; align-items: stretch; }.fn-screen { overflow: hidden; border: 1px solid rgba(180,216,255,.72); border-radius: 22px; background: #fff; box-shadow: 0 20px 38px rgba(39,94,145,.12); }.fn-screen img { display: block; width: 100%; height: 100%; min-height: 430px; border-radius: 22px; object-fit: cover; object-position: center 45%; filter: saturate(.95) contrast(1.02); }.fn-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }.fn-card { min-height: 190px; padding: 24px; border: 1px solid rgba(190,218,247,.86); border-radius: 18px; background: rgba(255,255,255,.84); box-shadow: 0 14px 28px rgba(41,98,156,.08); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }.fn-card:hover { transform: translateY(-4px); border-color: rgba(16,125,255,.38); box-shadow: 0 18px 36px rgba(41,98,156,.14); }.fn-card span { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 18px; border-radius: 50%; color: #fff; font-size: 14px; font-weight: 800; background: var(--blue); box-shadow: 0 0 0 7px rgba(22,119,255,.09); }.fn-card h3 { margin: 0 0 10px; font-size: 21px; }.fn-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }.final-cta { position: relative; isolation: isolate; padding: 83px 0; overflow: hidden; color: #fff; text-align: center; background: #0a4a9c; }.final-cta::before { position: absolute; z-index: -2; inset: -12px; content: ""; opacity: .35; filter: blur(5px); background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.18), transparent 55%); }.final-cta::after { position: absolute; z-index: -1; inset: 0; content: ""; background: linear-gradient(120deg, rgba(5,37,89,.94), rgba(15,111,221,.86)); }.final-cta h2 { margin: 0 0 27px; color: #fff; font-size: 31px; }.btn.light { color: var(--blue); background: #fff; box-shadow: none; }.footer { margin-top: 0; padding: 24px 0; background: #061a42; }.footer .copy { color: #9fbce1; font-size: 13px; text-align: center; }
@media (max-width: 920px) { .site-header .nav { display: none; }.site-header .logo { margin-right: auto; }.hero-main, .product-value { grid-template-columns: 1fr; gap: 42px; }.video-container, .hero-main { min-height: auto; }.video-container { padding: 62px 0; }.banner { height: auto; padding-bottom: 100px; }.banner .list { grid-template-columns: repeat(2, 1fr); }.fn-layout { grid-template-columns: 1fr; }.fn-screen img { min-height: 320px; }.fn-list { grid-template-columns: repeat(2, 1fr); }.fn-card h3 { font-size: 19px; }.fn-card p { font-size: 15px; } }
@media (max-width: 760px) { .fn-layout, .fn-list { grid-template-columns: 1fr; }.fn-screen img { min-height: 260px; } }
@media (max-width: 620px) { .main { width: min(100% - 32px, 1300px); }.hero-copy h1 { font-size: 33px; }.banner .main { padding-top: 53px; }.banner .list, .banner-desc { grid-template-columns: 1fr; }.banner::before { width: 100%; opacity: .12; }.banner-desc { gap: 23px; margin-top: -54px; }.banner-desc article { padding: 0; border: 0; }.product-value { margin-top: 48px; padding: 31px 24px; }.product-fn { margin-top: 50px; padding: 56px 0; }.product-fn h2 { font-size: 26px; }.final-cta h2 { font-size: 26px; } }

/* 统一标题到截图风格 */
.section-heading h2,
.product-value h2,
.product-fn h2,
.fn-card h3 {
  color: var(--brand-blue);
  font-family: var(--site-font);
  font-weight: 700;
  letter-spacing: .2px;
}

.hero-copy h1 {
  font-weight: 700;
  letter-spacing: .2px;
}

/* 问题到方案的视觉连接 */
.pain-solution-arrow {
  position: relative;
  z-index: 4;
  display: flex;
  width: min(1400px, calc(100% - 56px));
  margin: -58px auto 16px;
  flex-direction: column;
  align-items: center;
  color: var(--blue);
  pointer-events: none;
}

.pain-solution-arrow span {
  position: relative;
  display: block;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(16, 125, 255, .22);
  border-radius: 50%;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 12px 28px rgba(16, 125, 255, .14);
}

.pain-solution-arrow span::before {
  position: absolute;
  top: 11px;
  left: 50%;
  width: 2px;
  height: 20px;
  content: "";
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
}

.pain-solution-arrow span::after {
  position: absolute;
  right: 14px;
  bottom: 12px;
  width: 14px;
  height: 14px;
  content: "";
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.pain-solution-arrow b {
  margin-top: 8px;
  color: #3c83da;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .05em;
}

.banner-desc {
  margin-top: 0;
}

@media (max-width: 620px) {
  .pain-solution-arrow {
    width: min(100% - 32px, 1300px);
    margin: -48px auto 14px;
  }
}

.value-orbit-copy h2 {
  margin: 0 0 24px;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.35;
}

.value-orbit-copy h2 span {
  display: block;
  color: var(--blue);
}

.value-lead {
  max-width: 480px;
  margin: 0;
  color: #536783;
  font-size: 16px;
  line-height: 2;
}

.value-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 460px;
  margin-top: 34px;
}

.value-metrics span {
  min-height: 72px;
  padding: 14px 16px;
  border: 1px solid rgba(16, 125, 255, .14);
  border-radius: 16px;
  color: #4f6580;
  font-size: 14px;
  line-height: 1.45;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 12px 26px rgba(47, 102, 165, .08);
}

.value-metrics b {
  display: block;
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 18px;
}

.value-orbit-stage {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(176, 215, 255, .72);
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(16, 125, 255, .23) 0 90px, transparent 91px),
    radial-gradient(circle at 50% 48%, rgba(35, 151, 255, .12) 0 184px, transparent 185px),
    linear-gradient(135deg, rgba(255, 255, 255, .92), rgba(240, 248, 255, .76));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .6), 0 22px 48px rgba(40, 92, 154, .13);
}

.value-orbit-stage::before,
.value-orbit-stage::after {
  position: absolute;
  inset: 54px 100px;
  content: "";
  border: 1px dashed rgba(16, 125, 255, .22);
  border-radius: 50%;
}

.value-orbit-stage::after {
  inset: 96px 164px;
  border-style: solid;
  opacity: .55;
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  display: grid;
  width: 172px;
  height: 172px;
  place-items: center;
  padding: 28px;
  border-radius: 50%;
  color: #fff;
  text-align: center;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, #0757c8, #2b91ff);
  box-shadow: 0 18px 42px rgba(16, 125, 255, .32), 0 0 0 16px rgba(16, 125, 255, .08);
}

.orbit-core span {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: .1em;
}

.orbit-core b {
  margin-top: -10px;
  font-size: 22px;
}

.orbit-core small {
  margin-top: -10px;
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  line-height: 1.5;
}

.orbit-card {
  position: absolute;
  z-index: 4;
  width: 238px;
  min-height: 142px;
  padding: 20px 22px;
  border: 1px solid rgba(188, 220, 255, .86);
  border-radius: 18px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 14px 34px rgba(46, 91, 143, .13);
  backdrop-filter: blur(12px);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.orbit-card:hover {
  transform: translateY(-6px);
  border-color: rgba(16, 125, 255, .5);
  box-shadow: 0 20px 42px rgba(29, 104, 190, .18);
}

.orbit-card span {
  display: inline-flex;
  margin-bottom: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  background: rgba(16, 125, 255, .09);
}

.orbit-card b {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.orbit-card p {
  margin: 0;
  color: #5c6f89;
  font-size: 13px;
  line-height: 1.75;
}

.orbit-card-a { top: 36px; left: 40px; }
.orbit-card-b { top: 36px; right: 40px; }
.orbit-card-c { bottom: 36px; left: 40px; }
.orbit-card-d { right: 40px; bottom: 36px; }

@media (max-width: 1080px) {
  .product-value {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .product-value {
    padding: 38px 24px;
  }

  .value-metrics {
    grid-template-columns: 1fr;
  }

  .value-orbit-stage {
    display: grid;
    min-height: auto;
    gap: 14px;
    padding: 22px;
  }

  .value-orbit-stage::before,
  .value-orbit-stage::after,
  .orbit-core {
    display: none;
  }

  .orbit-card {
    position: static;
    width: auto;
  }
}

/* 按钮 hover 态修正：ant-design-vue 全局 a:hover{color:#40a9ff} 会覆盖按钮文字色，
   这里用 类+伪类 提高优先级；hover/focus/active 采用方案二整体配色：
   背景在原色基础上微深一档（保持同色系），文字固定白色/原蓝色，保证清晰可读 */
.login-link {
  transition: color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.login-link:hover,
.login-link:focus,
.login-link:active,
.login-link:visited {
  color: #fff;
  background: #0b72e8;
  box-shadow: 0 6px 16px rgba(16, 125, 255, .28);
}

.btn {
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.btn:hover,
.btn:focus,
.btn:active,
.btn:visited {
  color: #fff;
  background: linear-gradient(135deg, #1b80fb, #4a64e0);
  box-shadow: 0 14px 28px rgba(0, 22, 80, .3);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.light:hover,
.btn.light:focus,
.btn.light:active,
.btn.light:visited {
  color: var(--blue);
  background: #f3f8ff;
  box-shadow: 0 10px 22px rgba(0, 22, 80, .18);
}