:root {
  color-scheme: light;
  --ink: #10263c;
  --ink-soft: #526478;
  --blue: #086fe7;
  --blue-deep: #073b76;
  --line: #dce7f1;
  --pale: #f4f8fc;
  --shell: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
:focus-visible { outline: 3px solid #ffb54d; outline-offset: 3px; }
[hidden] { display: none !important; }
.shell { width: min(var(--shell), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -60px; left: 12px; padding: 10px 15px; border-radius: 8px; background: #fff; color: var(--ink); }
.skip-link:focus { top: 10px; }

.site-header { position: relative; z-index: 20; background: #fff; border-bottom: 1px solid #edf1f6; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 84px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px 14px 14px 4px; background: var(--blue); color: #fff; font-size: 22px; font-weight: 900; font-style: italic; line-height: 1; box-shadow: 0 8px 20px rgba(8,111,231,.2); }
.brand strong { display: block; font-size: 20px; font-weight: 800; letter-spacing: -.035em; }
.brand small { display: block; margin-top: 1px; color: #708197; font-size: 10px; letter-spacing: .15em; }
.main-nav { display: flex; align-items: center; gap: clamp(12px, 2.1vw, 28px); }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; color: #4f6072; font-size: 14px; font-weight: 700; transition: color .2s; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--blue); }
.main-nav a[aria-current="page"]::after { content: ""; align-self: flex-end; width: 100%; height: 3px; margin-left: -100%; border-radius: 3px 3px 0 0; background: var(--blue); }

.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 72% 12%, #dceeff 0, transparent 32%), linear-gradient(115deg, #e9f4ff 0%, #f5faff 49%, #ebf3fa 100%); }
.hero::before { position: absolute; inset: auto -8% -35% auto; width: 50vw; height: 50vw; border: 1px solid rgba(14,103,200,.1); border-radius: 50%; content: ""; pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr); align-items: center; gap: 42px; min-height: 660px; padding-block: 75px 55px; }
.hero-copy { position: relative; z-index: 2; padding-block: 8px; }
.eyebrow, .section-kicker { margin: 0; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border: 1px solid #cae1fa; border-radius: 100px; background: rgba(255,255,255,.64); letter-spacing: .08em; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: #20aa9b; box-shadow: 0 0 0 4px rgba(32,170,155,.12); }
.hero h1 { margin: 27px 0 22px; font-size: clamp(42px, 5vw, 70px); font-weight: 850; letter-spacing: -.065em; line-height: 1.16; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 560px; margin: 0; color: #536b82; font-size: clamp(16px, 1.5vw, 18px); line-height: 1.9; }
.hero-search { max-width: 580px; margin-top: 34px; }
.hero-search > label { display: block; margin-bottom: 11px; color: #385570; font-size: 13px; font-weight: 800; }
.search-control { display: flex; align-items: center; gap: 10px; height: 64px; padding: 6px 6px 6px 18px; border: 1px solid #cfdeed; border-radius: 14px; background: #fff; box-shadow: 0 17px 40px rgba(11,69,125,.12); }
.search-control svg { flex: 0 0 auto; color: #7b91a6; }
.search-control input { flex: 1; min-width: 0; height: 48px; padding: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 15px; }
.search-control input::placeholder { color: #91a0af; }
.search-control:focus-within { outline: 3px solid rgba(8,111,231,.22); border-color: var(--blue); }
.search-control button { flex: 0 0 auto; align-self: stretch; min-width: 130px; padding: 0 17px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; font-size: 15px; font-weight: 800; }
.search-control button:hover { background: var(--blue-deep); }
.search-control button span { margin-left: 4px; }
.quick-search { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 17px; color: #75869a; font-size: 12px; }
.quick-search > span { margin-right: 4px; }
.quick-search a { padding: 6px 10px; border: 1px solid #d6e4f1; border-radius: 100px; background: rgba(255,255,255,.68); color: #49657f; font-weight: 700; }
.quick-search a:hover { border-color: var(--blue); color: var(--blue); }
.hero-visual { position: relative; align-self: center; }
.hero-visual-glow { position: absolute; inset: 5% -5% 2% 3%; border-radius: 38% 62% 58% 42% / 38% 42% 58% 62%; background: #b9dcfc; filter: blur(36px); opacity: .45; }
.hero-visual figure { position: relative; margin: 0; padding: 12px; border: 1px solid rgba(255,255,255,.9); border-radius: 30px; background: rgba(255,255,255,.82); box-shadow: 0 27px 65px rgba(24,79,129,.16); transform: rotate(-1.4deg); }
.hero-visual figure img { display: block; width: 100%; aspect-ratio: 1.25; border-radius: 20px; object-fit: cover; object-position: center; }
.hero-visual figcaption { padding: 11px 7px 4px; color: #75889a; font-size: 11px; transform: rotate(1.4deg); }
.hero-float { position: absolute; right: -12px; bottom: 36px; display: flex; flex-direction: column; gap: 4px; min-width: 155px; padding: 18px 20px; border: 1px solid #e1e9f1; border-radius: 18px; background: #fff; box-shadow: 0 15px 35px rgba(16,70,120,.13); }
.hero-float strong { color: var(--blue); font-size: 40px; line-height: 1; }
.hero-float strong span { font-size: 17px; }
.hero-float > span { color: #63778c; font-size: 12px; font-weight: 700; }
.hero-bottom { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 0 25px; border-top: 1px solid rgba(35,107,172,.13); color: #71879b; font-size: 13px; }
.hero-bottom a { color: var(--blue); font-weight: 800; }

.section-pad { padding-block: 90px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 32px; }
.section-head h2, .guide-copy h2 { margin: 9px 0 0; font-size: clamp(30px, 3vw, 42px); font-weight: 850; letter-spacing: -.055em; line-height: 1.22; }
.section-head > p { max-width: 460px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.journey { background: #fff; }
.journey-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.journey-card { position: relative; display: flex; flex-direction: column; min-height: 295px; padding: 25px; border: 1px solid #e1eaf2; border-radius: 18px; background: #fff; box-shadow: 0 13px 36px rgba(16,63,106,.045); transition: transform .2s, box-shadow .2s, border-color .2s; }
.journey-card:hover { transform: translateY(-5px); border-color: #9bc5f1; box-shadow: 0 19px 42px rgba(16,63,106,.11); color: var(--ink); }
.journey-number { color: #a9bacb; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.journey-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 27px 0 20px; border-radius: 14px; background: #e8f3ff; color: var(--blue); font-size: 28px; font-weight: 500; line-height: 1; }
.journey-card h3 { margin: 0 0 10px; font-size: 20px; font-weight: 800; }
.journey-card p { margin: 0 0 20px; color: #6d7f91; font-size: 13px; line-height: 1.8; }
.journey-link { display: flex; justify-content: space-between; margin-top: auto; padding-top: 17px; border-top: 1px solid #edf2f7; color: var(--blue); font-size: 13px; font-weight: 800; }
.journey-link b { font-size: 18px; font-weight: 400; }

.models { background: var(--pale); }
.models-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 24px; }
.model-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.model-filters button { padding: 10px 16px; border: 1px solid #dce6f0; border-radius: 100px; background: #fff; color: #587086; font-size: 13px; font-weight: 800; }
.model-filters button:hover { border-color: var(--blue); color: var(--blue); }
.model-filters button.active { border-color: var(--blue); background: var(--blue); color: #fff; }
#home-model-count { color: #7890a4; font-size: 12px; white-space: nowrap; }
.model-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.model-card { display: flex; flex-direction: column; overflow: hidden; min-width: 0; border: 1px solid #e0e9f2; border-radius: 18px; background: #fff; box-shadow: 0 9px 25px rgba(17,67,109,.045); transition: transform .2s, box-shadow .2s; }
.model-card:hover { transform: translateY(-4px); box-shadow: 0 20px 37px rgba(17,67,109,.13); color: var(--ink); }
.model-image { display: block; overflow: hidden; background: #e8f1f8; }
.model-image img { display: block; width: 100%; height: 190px; object-fit: cover; transition: transform .35s; }
.model-card:hover .model-image img { transform: scale(1.04); }
.model-content { display: flex; flex-direction: column; flex: 1; padding: 19px 20px 20px; }
.model-content small { color: #7a8b9c; font-size: 11px; font-weight: 700; }
.model-content strong { margin-top: 9px; color: var(--ink); font-size: 25px; font-weight: 850; line-height: 1.2; }
.model-content > span { margin-top: 10px; color: #637b91; font-size: 13px; }
.model-content b { margin-top: 18px; color: #e44f36; font-size: 14px; }
.model-content em { margin-top: auto; padding-top: 19px; color: var(--blue); font-size: 12px; font-style: normal; font-weight: 800; }
.models-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 28px; }
.models-footer p { margin: 0; color: #7b8fa3; font-size: 12px; line-height: 1.6; }
.text-link { color: var(--blue); font-size: 14px; font-weight: 800; white-space: nowrap; }
.text-link span { font-size: 19px; font-weight: 400; }

.guide-preview { background: #0b3158; color: #fff; }
.guide-layout { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(35px, 8vw, 120px); align-items: center; }
.guide-preview .section-kicker { color: #8bc8ff; }
.guide-copy h2 { max-width: 390px; font-size: clamp(32px, 3.3vw, 46px); }
.guide-copy > p:not(.section-kicker) { max-width: 400px; margin: 21px 0 28px; color: #bdd0e2; font-size: 15px; line-height: 1.9; }
.solid-link { display: inline-flex; align-items: center; gap: 24px; padding: 14px 20px; border-radius: 9px; background: #fff; color: #064982; font-size: 13px; font-weight: 800; }
.solid-link:hover { background: #e4f3ff; color: #064982; }
.guide-list { display: grid; gap: 12px; }
.guide-list article { display: flex; gap: 24px; padding: 21px 24px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(255,255,255,.055); }
.guide-list article > span { padding-top: 2px; color: #8bc8ff; font-size: 12px; font-weight: 800; }
.guide-list h3 { margin: 0 0 7px; font-size: 17px; }
.guide-list p { margin: 0; color: #bfd0df; font-size: 13px; line-height: 1.75; }

.trust-section { background: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.trust-grid article { padding: 27px; border: 1px solid #e1eaf2; border-radius: 16px; background: linear-gradient(150deg, #fff, #f9fcff); }
.trust-grid article > span { color: var(--blue); font-size: 27px; }
.trust-grid h3 { margin: 18px 0 8px; font-size: 18px; }
.trust-grid p { margin: 0; color: #6c7f91; font-size: 13px; line-height: 1.8; }
.enterprise-strip { background: #e8f3ff; }
.enterprise-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding-block: 35px; }
.enterprise-inner span { color: var(--blue); font-size: 12px; font-weight: 800; }
.enterprise-inner h2 { margin: 7px 0; font-size: 23px; }
.enterprise-inner p { margin: 0; color: #5e748a; font-size: 13px; }
.enterprise-inner > a { flex: 0 0 auto; padding: 12px 18px; border: 1px solid #b1d0ef; border-radius: 9px; background: #fff; color: var(--blue); font-size: 13px; font-weight: 800; }
.enterprise-inner > a:hover { border-color: var(--blue); }

.site-footer { background: #0b2035; color: #dce7f1; }
.footer-main { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)); gap: 55px; padding-block: 54px 43px; }
.footer-brand strong { color: #fff; font-size: 24px; }
.footer-brand p { max-width: 355px; color: #9fb3c6; font-size: 13px; line-height: 1.8; }
.footer-main h2 { margin: 0 0 14px; color: #fff; font-size: 14px; }
.footer-main a { display: block; width: fit-content; margin-top: 10px; color: #9fb3c6; font-size: 13px; }
.footer-main a:hover, .footer-bottom a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px; padding-block: 22px 28px; border-top: 1px solid rgba(255,255,255,.1); color: #8fa7bd; font-size: 11px; }
.footer-bottom a { color: #b7cbe0; }

@media (max-width: 1050px) {
  .header-inner { flex-wrap: wrap; gap: 6px; padding-top: 14px; }
  .main-nav { width: 100%; overflow-x: auto; scrollbar-width: thin; gap: 25px; }
  .main-nav a { min-height: 45px; }
  .hero-inner { min-height: 600px; gap: 20px; }
  .hero h1 { font-size: clamp(42px, 5.4vw, 58px); }
  .hero-float { right: 0; }
  .journey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .shell { width: min(var(--shell), calc(100% - 32px)); }
  .header-inner { min-height: 0; }
  .brand-mark { width: 36px; height: 36px; border-radius: 12px 12px 12px 4px; font-size: 20px; }
  .brand strong { font-size: 17px; }
  .brand small { font-size: 9px; }
  .main-nav { gap: 22px; margin-top: 4px; }
  .main-nav a { font-size: 13px; }
  .hero-inner { display: flex; flex-direction: column; align-items: stretch; min-height: 0; gap: 26px; padding-block: 48px 24px; }
  .hero h1 { margin-top: 22px; font-size: clamp(39px, 9vw, 56px); }
  .hero-lede { font-size: 15px; }
  .hero-search { margin-top: 27px; }
  .hero-visual { width: min(100%, 570px); margin-inline: auto; }
  .hero-visual figure { transform: none; }
  .hero-visual figure img { aspect-ratio: 1.55; }
  .hero-visual figcaption { transform: none; }
  .hero-float { right: -4px; bottom: 36px; min-width: 118px; padding: 10px 13px; }
  .hero-float strong { font-size: 28px; }
  .hero-float strong span { font-size: 12px; }
  .hero-float > span { font-size: 10px; }
  .hero-bottom { padding-block: 14px 20px; font-size: 11px; }
  .section-pad { padding-block: 62px; }
  .section-head { display: block; }
  .section-head > p { margin-top: 13px; }
  .model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-image img { height: 175px; }
  .guide-layout { grid-template-columns: 1fr; gap: 28px; }
  .trust-grid { grid-template-columns: 1fr; gap: 12px; }
  .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 460px) {
  .search-control { height: 58px; gap: 8px; padding-left: 13px; }
  .search-control input { font-size: 13px; }
  .search-control button { min-width: 88px; padding-inline: 7px; font-size: 12px; }
  .search-control button span { display: none; }
  .hero-visual figure { padding: 7px; border-radius: 17px; }
  .hero-visual figure img { border-radius: 12px; }
  .hero-visual figcaption { padding: 8px 3px 2px; font-size: 9px; }
  .hero-float { bottom: 27px; }
  .journey-grid { grid-template-columns: 1fr; gap: 12px; }
  .journey-card { min-height: 0; padding: 20px; }
  .journey-icon { margin: 15px 0; }
  .model-grid { grid-template-columns: 1fr; }
  .model-image img { height: 220px; }
  .models-toolbar, .models-footer { align-items: flex-start; flex-direction: column; }
  .model-filters button { padding: 8px 11px; font-size: 11px; }
  .enterprise-inner { align-items: flex-start; flex-direction: column; }
  .guide-list article { gap: 14px; padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}