:root {
  --ink: #0c1715;
  --muted: #60706d;
  --mint: #34d9a5;
  --mint-bright: #5de6bb;
  --lime: #d9f68d;
  --line: rgba(12, 23, 21, .12);
  --dark: #07110f;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #f7fbf8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #f7fbf8; }
a { color: inherit; text-decoration: none; }
.page-shell { overflow: hidden; }
.site-header { height: 78px; width: min(1240px, calc(100% - 56px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; position: absolute; top: 0; left: 0; right: 0; z-index: 5; color: #fff; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; overflow: hidden; border-radius: 12px; background: rgba(255,255,255,.95); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.site-nav { display: flex; align-items: center; gap: 38px; margin-left: auto; margin-right: 48px; color: rgba(255,255,255,.65); font-size: 13px; }
.site-nav a { padding: 8px 0; position: relative; transition: color .2s ease; }
.site-nav a:hover, .site-nav a.active { color: #fff; }
.site-nav a.active::after { content: ""; position: absolute; bottom: -4px; left: 50%; width: 18px; height: 2px; border-radius: 2px; background: var(--mint-bright); transform: translateX(-50%); }
.header-cta { border: 1px solid rgba(255,255,255,.26); padding: 10px 16px; border-radius: 100px; font-size: 12px; color: #fff; transition: all .2s ease; }
.header-cta span { color: var(--mint-bright); margin-left: 7px; font-size: 14px; }
.header-cta:hover { border-color: var(--mint-bright); background: rgba(52,217,165,.12); }
.hero { min-height: 780px; position: relative; display: grid; grid-template-columns: minmax(360px, 1fr) minmax(460px, 1.08fr); align-items: center; gap: 24px; padding: 106px max(28px, calc((100vw - 1240px) / 2)) 84px; color: #fff; isolation: isolate; background: var(--dark) url("public/assets/background.png") center/cover no-repeat; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,16,13,.85) 0%, rgba(5,16,13,.46) 44%, rgba(5,16,13,.12) 75%); }
.hero-glow { position: absolute; pointer-events: none; z-index: -1; }
.hero-glow-one { width: 320px; height: 320px; left: 33%; top: 9%; border-radius: 50%; background: rgba(32, 170, 122, .14); filter: blur(85px); }
.hero-copy { position: relative; z-index: 2; max-width: 550px; min-width: 0; padding-bottom: 30px; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.72); font-size: 11px; letter-spacing: .12em; margin: 0 0 22px; }
.eyebrow.dark { color: #598079; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint-bright); box-shadow: 0 0 0 5px rgba(93,230,187,.13); }
.hero h1 { margin: 0; font-size: clamp(42px, 5.2vw, 73px); line-height: 1.13; font-weight: 800; letter-spacing: -.02em; }
.hero h1 em, .contact-section h2 em { font-style: normal; background: linear-gradient(110deg, #a5f4d4 10%, #c9f78a 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { max-width: 480px; margin: 27px 0 31px; color: rgba(255,255,255,.68); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 25px; }
.primary-button { display: inline-flex; align-items: center; gap: 28px; padding: 14px 20px 14px 23px; border-radius: 6px; color: #052117; background: var(--mint-bright); font-weight: 700; font-size: 13px; box-shadow: 0 14px 30px rgba(56, 230, 180, .2); transition: transform .2s ease, background .2s ease; }
.primary-button:hover { transform: translateY(-2px); background: #7cf0c5; }
.primary-button span { font-size: 18px; line-height: 0; }
.text-button { color: rgba(255,255,255,.72); font-size: 13px; }
.text-button span { color: var(--mint-bright); margin-left: 7px; font-size: 16px; }
.hero-proof { display: flex; gap: 36px; margin-top: 67px; }
.hero-proof div { display: flex; align-items: baseline; gap: 6px; }
.hero-proof strong { font-size: 18px; color: #d8f8a1; }
.hero-proof span { font-size: 11px; color: rgba(255,255,255,.48); }
.hero-visual { position: relative; height: min(690px, 66vw); min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-visual img { position: relative; z-index: 2; width: min(650px, 54vw); max-width: 100%; filter: drop-shadow(0 30px 50px rgba(0, 205, 153, .19)); animation: drift 7s ease-in-out infinite; }
.visual-ring { position: absolute; border: 1px solid rgba(136,246,199,.2); border-radius: 50%; z-index: 1; }
.ring-a { width: 460px; height: 460px; }
.ring-b { width: 610px; height: 610px; border-color: rgba(136,246,199,.09); }
.visual-label { position: absolute; z-index: 3; color: rgba(220,255,237,.72); letter-spacing: .14em; font-size: 10px; writing-mode: vertical-rl; }
.label-top { top: 18%; right: 7%; }
.label-bottom { bottom: 21%; left: 5%; }
.scroll-cue { position: absolute; bottom: 27px; left: max(28px, calc((100vw - 1240px) / 2)); color: rgba(255,255,255,.46); font-size: 10px; letter-spacing: .08em; display: flex; align-items: center; gap: 10px; }
.scroll-cue span { width: 25px; height: 38px; border: 1px solid rgba(255,255,255,.35); border-radius: 20px; position: relative; }
.scroll-cue span::after { content: ""; position: absolute; left: 50%; top: 8px; width: 3px; height: 7px; border-radius: 4px; background: var(--mint-bright); transform: translateX(-50%); animation: scroll 1.8s ease-in-out infinite; }
.feature-section { padding: 128px max(28px, calc((100vw - 1170px) / 2)) 136px; background: #f7fbf8; }
.section-heading { max-width: 560px; margin-bottom: 54px; }
.section-heading .eyebrow { margin-bottom: 17px; }
.section-heading h2, .about-copy h2 { margin: 0 0 15px; font-size: clamp(32px, 4vw, 52px); line-height: 1.18; letter-spacing: -.02em; }
.section-heading > p:last-child { color: var(--muted); line-height: 1.8; margin: 0; font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.feature-card { min-height: 280px; padding: 27px 27px 24px; position: relative; border: 1px solid var(--line); background: rgba(255,255,255,.66); transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 20px 45px rgba(23, 82, 62, .1); }
.card-featured { border-color: transparent; background: #c9f486; }
.card-index { position: absolute; top: 26px; right: 26px; color: rgba(20, 54, 40, .4); font-size: 12px; }
.card-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; margin-bottom: 32px; background: #d7fbef; color: #08b988; font-size: 29px; line-height: 1; font-family: Georgia, serif; }
.card-featured .card-icon { background: rgba(255,255,255,.55); color: #098760; }
.route-icon { font-size: 34px; }
.alert-icon { font-family: "Noto Sans SC", sans-serif; font-size: 19px; font-weight: 800; }
.feature-card h3 { margin: 0 0 12px; font-size: 21px; letter-spacing: -.01em; }
.feature-card p { color: #687a74; font-size: 13px; line-height: 1.8; max-width: 275px; margin: 0; }
.feature-card a { position: absolute; left: 27px; bottom: 25px; color: #27836d; font-size: 12px; font-weight: 600; }
.feature-card a span { margin-left: 9px; font-size: 16px; }
.about-section { display: grid; grid-template-columns: minmax(390px, 1fr) minmax(380px, .82fr); gap: clamp(55px, 9vw, 140px); align-items: center; padding: 115px max(28px, calc((100vw - 1170px) / 2)); background: #eaf8f0; }
.about-image-wrap { position: relative; display: grid; place-items: center; min-height: 410px; }
.about-image-wrap::before { content: ""; position: absolute; width: 75%; height: 62%; border-radius: 50%; background: #c3f7dc; filter: blur(18px); }
.about-image-wrap img { position: relative; width: min(560px, 100%); transform: rotate(-5deg); filter: drop-shadow(0 24px 30px rgba(23, 105, 75, .16)); }
.about-copy h2 span { color: #38a882; }
.about-copy > p:not(.eyebrow) { max-width: 475px; color: #60736c; font-size: 14px; line-height: 2; margin: 0 0 27px; }
.about-points { display: grid; gap: 12px; color: #356458; font-size: 13px; }
.about-points span { color: #16bf8c; font-weight: 800; font-size: 17px; margin-right: 8px; }
.contact-section { padding: 105px max(28px, calc((100vw - 1170px) / 2)); color: #fff; background: var(--dark); position: relative; overflow: hidden; }
.contact-section::before { content: ""; position: absolute; width: 640px; height: 640px; border-radius: 50%; background: #0f4f3c; opacity: .34; filter: blur(10px); right: -160px; top: -300px; }
.contact-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.contact-section h2 { margin: 0 0 15px; font-size: clamp(34px, 4vw, 58px); line-height: 1.2; }
.contact-copy { color: rgba(255,255,255,.56); font-size: 14px; margin: 0; }
.contact-details { border-left: 1px solid rgba(255,255,255,.18); padding-left: 46px; display: grid; gap: 19px; }
.contact-details div { display: grid; grid-template-columns: 40px 1fr; gap: 18px; align-items: baseline; }
.contact-details span { color: rgba(255,255,255,.4); font-size: 11px; }
.contact-details a, .contact-details p { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.7; }
.contact-details a:hover { color: var(--mint-bright); }
.site-footer { min-height: 86px; padding: 22px max(28px, calc((100vw - 1170px) / 2)); display: flex; align-items: center; gap: 24px; background: #04100d; color: rgba(255,255,255,.4); font-size: 11px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; color: rgba(255,255,255,.75); font-size: 13px; font-weight: 600; white-space: nowrap; }
.footer-brand .brand-mark { width: 27px; height: 27px; border-radius: 8px; }
.footer-brand .brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.site-footer p { margin: 0; }
.back-top { margin-left: auto; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: rgba(255,255,255,.7); font-size: 17px; }
@keyframes drift { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-10px) rotate(1deg); } }
@keyframes scroll { 0%,100% { transform: translate(-50%, 0); opacity: .4; } 50% { transform: translate(-50%, 8px); opacity: 1; } }
@media (max-width: 860px) {
  .site-header { width: calc(100% - 36px); height: 68px; }
  .site-nav { gap: 18px; margin-right: 18px; }
  .header-cta { padding: 8px 11px; }
  .hero { min-height: 880px; grid-template-columns: 1fr; padding-top: 108px; padding-bottom: 70px; }
  .hero-copy { max-width: 650px; }
  .hero-visual { height: 430px; min-height: 0; margin-top: -15px; }
  .hero-visual img { width: min(650px, 90vw); }
  .ring-a { width: 340px; height: 340px; }
  .ring-b { width: 470px; height: 470px; }
  .hero-proof { margin-top: 42px; }
  .scroll-cue { display: none; }
  .feature-section, .about-section, .contact-section { padding-top: 86px; padding-bottom: 92px; }
  .about-section { grid-template-columns: 1fr; gap: 25px; }
  .about-image-wrap { min-height: 330px; }
  .about-copy { max-width: 620px; }
  .contact-inner { gap: 45px; }
}
@media (max-width: 590px) {
  .site-header { width: calc(100% - 30px); }
  .site-nav { display: none; }
  .brand-name { font-size: 15px; }
  .hero { min-height: 825px; grid-template-columns: minmax(0, 1fr); padding: 104px 22px 56px; background-position: 59% center; }
  .hero::after { background: linear-gradient(180deg, rgba(5,16,13,.9) 0%, rgba(5,16,13,.55) 58%, rgba(5,16,13,.2) 100%); }
  .hero h1 { font-size: clamp(38px, 11vw, 56px); }
  .hero-lead { font-size: 13px; line-height: 1.8; margin-top: 22px; }
  .hero-actions { gap: 17px; }
  .hero-proof { gap: 17px; }
  .hero-proof strong { font-size: 16px; }
  .hero-proof span { font-size: 10px; }
  .hero-visual { height: 345px; margin-top: 8px; }
  .hero-visual img { width: 104vw; max-width: none; margin-left: -4vw; }
  .visual-label { display: none; }
  .feature-section, .about-section, .contact-section { padding-left: 22px; padding-right: 22px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .about-copy h2 { font-size: 34px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { min-height: 230px; }
  .feature-card p { max-width: 100%; }
  .about-image-wrap { min-height: 255px; }
  .about-image-wrap img { width: 112%; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-details { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); padding: 28px 0 0; }
  .site-footer { flex-wrap: wrap; gap: 12px; padding: 19px 22px; }
  .site-footer p { width: 100%; line-height: 1.6; }
  .back-top { position: absolute; right: 22px; margin-top: -20px; }
}