:root {
  --navy: #102A43;
  --blue: #1F5D92;
  --gold: #B9812C;
  --steel: #EEF3F7;
  --ink: #25364A;
  --white: #FFFFFF;
  --line: #D9E2EC;
  --muted: #60758A;
  --surface: #F8FAFC;
  --shadow: 0 16px 42px rgba(16, 42, 67, .09);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--white); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid rgba(185, 129, 44, .55); outline-offset: 4px; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.section { padding: 88px 0; }

.site-header { position: relative; z-index: 10; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); }
.site-header::before { content: ""; display: block; height: 4px; background: linear-gradient(90deg, var(--gold) 0 18%, var(--blue) 18% 100%); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { flex: 0 1 400px; }
.brand img { width: min(400px, 100%); height: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; color: #40566B; font-size: 15px; font-weight: 600; }
.site-nav a { white-space: nowrap; }
.site-nav a:hover { color: var(--blue); }
.site-nav .nav-entry { padding: 10px 20px; color: var(--white); background: var(--navy); border-radius: 4px; }
.site-nav .nav-entry:hover { color: var(--white); background: var(--blue); }

.hero { position: relative; overflow: hidden; color: var(--white); background: var(--navy); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 42px 42px; }
.hero::after { content: ""; position: absolute; width: 480px; height: 480px; right: -210px; top: -255px; border: 1px solid rgba(185,129,44,.55); border-radius: 50%; box-shadow: 0 0 0 70px rgba(185,129,44,.04), 0 0 0 140px rgba(185,129,44,.025); }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr); gap: 76px; align-items: center; min-height: 610px; padding-block: 72px; }
.section-code, .eyebrow { display: inline-block; color: var(--gold); font: 700 12px/1.4 Arial, sans-serif; letter-spacing: .15em; }
.hero h1 { margin: 20px 0 22px; max-width: 760px; font-size: clamp(40px, 5vw, 66px); line-height: 1.18; letter-spacing: -.035em; }
.hero h1 em { color: #DDE9F2; font-size: .64em; font-style: normal; font-weight: 500; letter-spacing: 0; }
.hero-lead { max-width: 720px; margin: 0; color: #C9D8E6; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border: 1px solid transparent; border-radius: 4px; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy); background: var(--gold); }
.button-outline { color: var(--white); border-color: rgba(255,255,255,.48); background: rgba(255,255,255,.04); }
.button-gold { color: var(--navy); background: #D5A652; }
.hero-checks { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 34px 0 0; padding: 0; color: #BFD0DF; font-size: 14px; list-style: none; }
.hero-checks li::before { content: "✓"; margin-right: 8px; color: var(--gold); font-weight: 800; }
.hero-panel { border-top: 4px solid var(--gold); padding: 30px; color: var(--ink); background: var(--white); box-shadow: 0 24px 70px rgba(0,0,0,.22); }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.panel-head span { color: var(--navy); font-size: 20px; font-weight: 800; }
.panel-head strong { color: #8193A5; font: 700 10px Arial, sans-serif; letter-spacing: .12em; }
.hero-panel ol { display: grid; gap: 0; margin: 8px 0 22px; padding: 0; list-style: none; }
.hero-panel li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; padding: 17px 0; border-bottom: 1px solid #E8EDF2; }
.hero-panel li b { color: var(--gold); font: 700 13px Arial, sans-serif; }
.hero-panel li strong, .hero-panel li span { display: block; }
.hero-panel li strong { color: var(--navy); }
.hero-panel li span { color: var(--muted); font-size: 13px; }
.panel-entry { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; color: var(--white); background: var(--blue); font-weight: 700; }

.section-heading { max-width: 720px; margin-bottom: 38px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 10px 0 12px; color: var(--navy); font-size: clamp(30px, 3.2vw, 43px); line-height: 1.25; }
.section-heading p { margin: 0; color: var(--muted); }
.heading-row { display: grid; grid-template-columns: 1fr minmax(320px, .65fr); align-items: end; gap: 50px; max-width: none; }
.heading-row p { padding-left: 28px; border-left: 3px solid var(--gold); }

.products-section { background: var(--surface); }
.price-note { display: flex; gap: 18px; margin-bottom: 24px; padding: 14px 18px; border: 1px solid #D6E0E8; border-left: 4px solid var(--gold); color: var(--muted); background: var(--white); font-size: 14px; }
.price-note strong { flex: 0 0 auto; color: var(--navy); }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.product-card { min-width: 0; overflow: hidden; border: 1px solid #DDE5EB; border-radius: 5px; background: var(--white); box-shadow: 0 7px 18px rgba(16,42,67,.045); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.product-card:hover { transform: translateY(-4px); border-color: #A7BCD0; box-shadow: var(--shadow); }
.product-image { display: grid; place-items: center; aspect-ratio: 1 / .86; padding: 14px; background: #F4F7F9; border-bottom: 1px solid #E2E8EE; }
.product-image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-info { display: grid; grid-template-columns: 1fr auto; gap: 8px 10px; align-items: baseline; padding: 16px; }
.product-info strong { min-width: 0; overflow: hidden; color: var(--navy); font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.product-price { color: #8A5A14; font-size: 14px; font-weight: 800; white-space: nowrap; }
.product-info small { grid-column: 1 / -1; color: #52697D; font-size: 12px; }

.positioning-section { background: var(--white); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.service-grid article { min-width: 0; padding: 34px 28px; border-right: 1px solid var(--line); }
.service-grid article:last-child { border-right: 0; }
.service-grid article > span { color: var(--gold); font: 700 12px Arial, sans-serif; letter-spacing: .12em; }
.service-grid h3 { margin: 28px 0 10px; color: var(--navy); font-size: 20px; }
.service-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.scenarios-section { color: var(--white); background: var(--blue); }
.scenario-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.eyebrow.light { color: #E1BB73; }
.scenario-intro h2 { margin: 10px 0 18px; font-size: clamp(30px, 3vw, 44px); line-height: 1.3; }
.scenario-intro p { margin: 0 0 28px; color: #D7E5F2; }
.scenario-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.scenario-cards article { padding: 30px; background: rgba(16,42,67,.34); }
.scenario-cards b { font-size: 19px; }
.scenario-cards p { margin: 10px 0 0; color: #D4E2EF; font-size: 14px; }

.process-section { background: var(--white); }
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: process; }
.process-list li { position: relative; padding: 30px 28px 28px; border-top: 3px solid var(--line); border-right: 1px solid var(--line); }
.process-list li:last-child { border-right: 0; }
.process-list li::before { content: ""; position: absolute; top: -7px; left: 28px; width: 11px; height: 11px; border-radius: 50%; background: var(--gold); }
.process-list span { color: var(--blue); font: 700 11px Arial, sans-serif; letter-spacing: .12em; }
.process-list h3 { margin: 14px 0 8px; color: var(--navy); }
.process-list p { margin: 0; color: var(--muted); font-size: 14px; }

.notice-section { padding: 64px 0; background: var(--steel); }
.notice-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.notice-layout h2 { margin: 10px 0 14px; color: var(--navy); font-size: 34px; line-height: 1.35; }
.notice-layout p { margin: 0; color: var(--muted); }
.notice-layout ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; padding: 0; list-style: none; }
.notice-layout li { padding: 18px; border-left: 3px solid var(--gold); background: var(--white); }
.notice-layout strong, .notice-layout span { display: block; }
.notice-layout strong { color: var(--navy); }
.notice-layout span { margin-top: 3px; color: var(--muted); font-size: 13px; }

.faq-section { background: var(--white); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.faq-grid article { padding: 25px 28px; border: 1px solid var(--line); border-left: 4px solid var(--blue); background: var(--white); }
.faq-grid h3 { margin: 0 0 10px; color: var(--navy); font-size: 17px; }
.faq-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.site-footer { color: #C8D5E0; background: #091D2E; }
.footer-main { display: grid; grid-template-columns: 1.6fr .7fr 1fr; gap: 64px; padding-block: 58px 44px; }
.footer-brand img { width: min(360px, 100%); height: auto; padding: 7px; background: var(--white); border-radius: 3px; }
.footer-brand p { max-width: 430px; margin: 20px 0 0; }
.footer-main h2 { margin: 0 0 16px; color: var(--white); font-size: 16px; }
.footer-main a { display: block; width: fit-content; margin: 8px 0; color: #D4E0E9; }
.footer-main a:hover { color: #E2BA70; }
.footer-main p { font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; padding-block: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }

@media (max-width: 980px) {
  .site-nav a:not(.nav-entry) { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 42px; }
  .hero-panel { max-width: 620px; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-grid, .process-list { grid-template-columns: repeat(2, 1fr); }
  .service-grid article:nth-child(2) { border-right: 0; }
  .service-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .process-list li:nth-child(2) { border-right: 0; }
  .scenario-layout, .notice-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1.4fr .6fr; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .section { padding: 62px 0; }
  .header-inner { min-height: 72px; gap: 14px; }
  .brand { flex-basis: 265px; }
  .site-nav { gap: 0; }
  .site-nav .nav-entry { padding: 9px 12px; font-size: 13px; }
  .hero::after { right: 0; top: -330px; }
  .hero-layout { min-height: auto; padding-block: 56px; }
  .hero h1 { font-size: 38px; }
  .hero h1 em { display: block; margin-top: 10px; font-size: 22px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-checks { display: grid; }
  .hero-panel { padding: 22px; }
  .heading-row { grid-template-columns: 1fr; gap: 16px; }
  .heading-row p { padding: 0; border: 0; }
  .price-note { display: grid; gap: 4px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .product-image { padding: 8px; }
  .product-info { display: flex; flex-direction: column; gap: 3px; padding: 12px 10px; }
  .product-info strong { width: 100%; font-size: 14px; }
  .product-price { font-size: 13px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article, .service-grid article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-grid article:last-child { border-bottom: 0; }
  .scenario-cards { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:nth-child(2) { border-right: 0; }
  .notice-layout ul, .faq-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
  .footer-main > div:last-child { grid-column: auto; }
  .footer-bottom { display: grid; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}