:root {
  --ink: #172033;
  --muted: #66758a;
  --mint: #16b8a7;
  --mint-dark: #0b8079;
  --cyan: #32cfe0;
  --coral: #ff745e;
  --paper: #fffefb;
  --line: rgba(23, 32, 51, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 7% 8%, rgba(50, 207, 224, 0.14), transparent 26rem),
    radial-gradient(circle at 92% 21%, rgba(255, 116, 94, 0.13), transparent 24rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  height: 82px;
  margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; letter-spacing: 0.06em; }
.brand-mark { position: relative; display: inline-block; width: 34px; height: 34px; border-radius: 11px; background: linear-gradient(145deg, var(--cyan), var(--mint)); box-shadow: 0 8px 18px rgba(22, 184, 167, 0.25); transform: rotate(-6deg); }
.brand-mark i { position: absolute; top: 9px; width: 10px; height: 16px; border: 3px solid white; border-top: 0; border-radius: 0 0 8px 8px; }
.brand-mark i:first-child { left: 7px; transform: rotate(-15deg); }
.brand-mark i:last-child { right: 7px; transform: rotate(15deg); }
nav { display: flex; gap: 34px; margin-left: auto; font-size: 14px; font-weight: 600; }
nav a { color: #48566a; transition: color 0.2s ease; }
nav a:hover { color: var(--mint-dark); }
.status-pill { display: inline-flex; align-items: center; gap: 7px; margin-left: 38px; padding: 9px 14px; border: 1px solid rgba(22, 184, 167, 0.18); border-radius: 999px; color: var(--mint-dark); background: rgba(255, 255, 255, 0.7); font-size: 12px; font-weight: 700; }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: #23c55e; box-shadow: 0 0 0 4px rgba(35, 197, 94, 0.12); }

.hero { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(480px, 1.05fr); align-items: center; gap: 48px; width: min(1180px, calc(100% - 48px)); min-height: 650px; margin: 0 auto; padding: 54px 0 88px; }
.eyebrow { margin: 0 0 16px; color: var(--mint-dark); font-size: 12px; font-weight: 800; letter-spacing: 0.2em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(46px, 5.2vw, 72px); line-height: 1.12; letter-spacing: -0.055em; }
h1 em { color: transparent; background: linear-gradient(110deg, #0b9188, #27bfd0 44%, #ff745e 96%); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.intro { max-width: 590px; margin-bottom: 30px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.primary-button { display: inline-flex; align-items: center; gap: 22px; padding: 14px 19px 14px 22px; border-radius: 13px; color: white; background: linear-gradient(135deg, #22c9d7, #13a999); box-shadow: 0 12px 28px rgba(13, 148, 136, 0.22); font-size: 14px; font-weight: 750; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(13, 148, 136, 0.28); }
.primary-button span { font-size: 20px; line-height: 1; }
.text-button { padding-bottom: 4px; border-bottom: 1px solid var(--ink); font-size: 14px; font-weight: 700; }
.trust-row { display: flex; gap: 25px; margin-top: 34px; color: #778396; font-size: 12px; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--mint); font-weight: 900; }

.hero-visual { position: relative; min-height: 500px; }
.orbit { position: absolute; border: 1px solid rgba(15, 143, 137, 0.12); border-radius: 50%; }
.orbit-one { inset: 15px 20px 20px 18px; }
.orbit-two { inset: 62px 73px 70px 65px; border-style: dashed; transform: rotate(12deg); }
.main-card, .mini-card { position: absolute; overflow: hidden; color: white; box-shadow: 0 28px 70px rgba(12, 89, 86, 0.2); }
.main-card { top: 30px; left: 50%; width: 280px; height: 392px; padding: 22px; border: 7px solid rgba(255, 255, 255, 0.84); border-radius: 28px; background: linear-gradient(155deg, #65dfd3 0%, #20b9ad 42%, #ffbd83 82%, #ff7b67 100%); transform: translateX(-43%) rotate(5deg); }
.main-card::before, .main-card::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,0.16); }
.main-card::before { top: -74px; right: -65px; width: 190px; height: 190px; border: 1px solid rgba(255,255,255,0.52); }
.main-card::after { bottom: -60px; left: -60px; width: 150px; height: 150px; }
.card-top { position: relative; z-index: 2; display: flex; justify-content: space-between; font-size: 8px; font-weight: 800; letter-spacing: 0.13em; opacity: 0.88; }
.heart { position: relative; z-index: 2; display: grid; place-items: center; width: 116px; height: 104px; margin: 62px auto 33px; border-radius: 58% 58% 54% 54%; background: linear-gradient(145deg, #ff9b70, #ff634f); box-shadow: 0 14px 28px rgba(193, 71, 51, 0.26), inset 0 2px 3px rgba(255,255,255,0.55); transform: rotate(45deg); }
.heart::before, .heart::after { content: ""; position: absolute; width: 64px; height: 64px; border-radius: 50%; background: inherit; }
.heart::before { top: -25px; left: 2px; }
.heart::after { top: 2px; left: -25px; }
.heart span { position: relative; z-index: 3; font-size: 34px; font-weight: 900; transform: rotate(-45deg); }
.card-title { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.card-title small { font-size: 8px; font-weight: 800; letter-spacing: 0.22em; opacity: 0.8; }
.card-title strong { font-size: 30px; letter-spacing: 0.06em; text-shadow: 0 3px 12px rgba(90, 43, 36, 0.18); }
.card-rule { position: absolute; right: 18px; bottom: 17px; left: 18px; z-index: 2; padding: 11px; border: 1px solid rgba(255,255,255,0.28); border-radius: 11px; background: rgba(255,255,255,0.16); text-align: center; font-size: 10px; font-weight: 650; backdrop-filter: blur(8px); }
.mini-card { top: 98px; left: 5px; width: 170px; height: 238px; padding: 22px; border: 5px solid white; border-radius: 22px; background: linear-gradient(155deg, #ffcf86, #ff826b); transform: rotate(-11deg); }
.mini-card span, .mini-card strong { display: block; }
.mini-card span { font-size: 10px; letter-spacing: 0.15em; opacity: 0.8; }
.mini-card strong { margin-top: 90px; font-size: 23px; }
.floating-note { position: absolute; z-index: 5; display: flex; flex-direction: column; gap: 4px; min-width: 170px; padding: 13px 15px; border: 1px solid rgba(255,255,255,0.8); border-radius: 14px; background: rgba(255,255,255,0.84); box-shadow: 0 15px 35px rgba(55, 75, 96, 0.13); backdrop-filter: blur(12px); }
.floating-note b { font-size: 13px; }
.floating-note span { color: var(--muted); font-size: 10px; }
.note-one { right: -3px; bottom: 94px; }
.note-two { bottom: 11px; left: 83px; }

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.features-section { padding: 100px 0 112px; }
.section-heading { max-width: 610px; margin-bottom: 46px; }
h2 { margin-bottom: 14px; font-size: clamp(32px, 3.3vw, 48px); line-height: 1.2; letter-spacing: -0.04em; }
.section-heading > p:last-child, .process-copy > p:last-child { color: var(--muted); font-size: 16px; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 330px; padding: 27px; overflow: hidden; border: 1px solid rgba(255,255,255,0.82); border-radius: 24px; }
.feature-card.mint { background: linear-gradient(145deg, #e7fbf8, #f7fffe); }
.feature-card.coral { background: linear-gradient(145deg, #fff0eb, #fffaf8); }
.feature-card.yellow { background: linear-gradient(145deg, #fff6d7, #fffdf6); }
.feature-number { position: absolute; top: 26px; right: 27px; color: rgba(23, 32, 51, 0.24); font-size: 11px; font-weight: 800; }
.feature-icon { position: relative; width: 62px; height: 62px; margin: 28px 0 48px; border-radius: 18px; }
.card-icon { background: var(--mint); box-shadow: 10px 9px 0 rgba(22,184,167,0.2); transform: rotate(-6deg); }
.card-icon::after { content: "✦"; position: absolute; inset: 0; display: grid; place-items: center; color: white; font-size: 27px; }
.qr-icon { border: 7px solid #ff806a; }
.qr-icon::before, .qr-icon::after, .qr-icon i { content: ""; position: absolute; width: 10px; height: 10px; border: 4px solid #ff806a; }
.qr-icon::before { top: 5px; left: 5px; }.qr-icon::after { top: 5px; right: 5px; }.qr-icon i { right: 5px; bottom: 5px; }
.gift-icon { margin-left: 4px; border-radius: 8px; background: #f4b91a; }
.gift-icon::before { content: ""; position: absolute; top: 19px; right: -6px; left: -6px; height: 10px; background: #fff7d5; }
.gift-icon::after { content: ""; position: absolute; top: -7px; bottom: 0; left: 26px; width: 10px; background: #fff7d5; }
.feature-card h3 { margin-bottom: 12px; font-size: 20px; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.process-section { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 90px; padding: 112px 70px; border-radius: 32px; color: white; background: #172e3d; box-shadow: 0 30px 80px rgba(23,46,61,0.16); }
.process-section .eyebrow { color: #58dcd1; }
.process-copy > p:last-child { color: #9eb1bc; }
.steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.steps li:first-child { padding-top: 0; }.steps li:last-child { padding-bottom: 0; border-bottom: 0; }
.steps li > span { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(88,220,209,0.45); border-radius: 50%; color: #58dcd1; font-size: 12px; font-weight: 800; }
.steps h3 { margin: 1px 0 7px; font-size: 18px; }
.steps p { margin: 0; color: #9eb1bc; font-size: 13px; line-height: 1.6; }

.about-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; padding: 130px 0; }
.about-copy > p { color: var(--muted); font-size: 15px; line-height: 1.9; }
.about-copy .notice { margin-top: 22px; padding: 18px 20px; border-left: 3px solid var(--coral); border-radius: 0 14px 14px 0; color: #885145; background: #fff4ef; }
.notice strong { color: #b74d3c; }
footer { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px 30px; width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 45px 0 54px; border-top: 1px solid var(--line); }
.footer-brand { grid-row: span 2; }
footer p { margin: 0; color: var(--muted); text-align: right; font-size: 12px; }
.copyright { opacity: 0.75; }

@media (max-width: 900px) {
  nav { display: none; }
  .status-pill { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .hero-copy { max-width: 690px; }
  .hero-visual { width: min(560px, 100%); margin: 0 auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 250px; }
  .feature-icon { margin-bottom: 35px; }
  .process-section, .about-section { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 600px) {
  .site-header, .hero, .section, footer { width: min(100% - 32px, 1180px); }
  .site-header { height: 68px; }
  .status-pill { padding: 8px 11px; }
  .hero { min-height: auto; gap: 20px; padding: 50px 0 64px; }
  h1 { font-size: 43px; }
  .intro { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .trust-row { flex-wrap: wrap; gap: 10px 18px; }
  .hero-visual { min-height: 430px; transform: scale(0.86); transform-origin: top center; }
  .main-card { left: 48%; }
  .note-one { right: -35px; }
  .note-two { left: 32px; }
  .features-section { padding: 60px 0 72px; }
  .process-section { width: 100%; padding: 72px 28px; border-radius: 0; }
  .about-section { padding: 80px 0; }
  footer { grid-template-columns: 1fr; align-items: start; }
  .footer-brand { grid-row: auto; margin-bottom: 20px; }
  footer p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}