:root {
  --ink: #16201d;
  --forest: #2c5f49;
  --forest-deep: #1e4938;
  --sage: #c3cfb8;
  --mist: #e8eee5;
  --cream: #f6f2e8;
  --paper: #fcfaf5;
  --line: rgba(22, 32, 29, .11);
  --muted: #68736d;
  --coral: #df765f;
  --shadow: 0 26px 72px rgba(25, 54, 42, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: ui-rounded, "SF Pro Rounded", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.topbar { padding: 19px 0; border-bottom: 1px solid var(--line); background: rgba(252,250,245,.88); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 10; }
.nav { align-items: center; display: flex; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 780; letter-spacing: -.04em; }
.brand img { width: 31px; height: 31px; border-radius: 10px; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 14px; font-weight: 650; }
.nav-links a:hover { color: var(--forest); }
.nav-cta { color: white !important; background: var(--forest); padding: 10px 16px; border-radius: 999px; }
.nav-cta:hover { background: var(--forest-deep); }

.eyebrow { color: var(--forest); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero { overflow: hidden; position: relative; padding: clamp(66px, 10vw, 132px) 0 76px; background: radial-gradient(circle at 84% 18%, #dcead3 0, rgba(220,234,211,.38) 20%, transparent 42%), radial-gradient(circle at 18% 70%, #edf1df 0, transparent 36%), var(--cream); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(42px, 7vw, 96px); }
h1, h2, h3, p { margin: 0; }
h1 { max-width: 680px; margin: 16px 0 22px; font-size: clamp(48px, 7vw, 86px); line-height: .99; letter-spacing: -.085em; }
.hero-copy > p { color: #56615b; max-width: 490px; font-size: 18px; line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 52px; padding: 0 21px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; font-size: 15px; font-weight: 750; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--forest); box-shadow: 0 9px 24px rgba(44,95,73,.19); }
.button-primary:hover { background: var(--forest-deep); }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.7); }
.button-secondary:hover { background: white; }
.microcopy { display: block; margin-top: 16px; color: #7a847d; font-size: 12px; }

.phone-stage { min-height: 690px; position: relative; display: grid; place-items: center; }
.orbit { position: absolute; width: 470px; aspect-ratio: 1; border: 1px solid rgba(44,95,73,.17); border-radius: 50%; transform: translate(26px, -4px); }
.orbit::before, .orbit::after { content: ""; position: absolute; border-radius: 50%; background: var(--forest); }
.orbit::before { width: 12px; height: 12px; top: 18%; left: 8%; }
.orbit::after { width: 8px; height: 8px; right: 4%; bottom: 20%; background: var(--coral); }
.phone { position: relative; width: min(294px, 80vw); aspect-ratio: 1206 / 2622; overflow: hidden; border: 5px solid #14211b; border-radius: 43px; background: #14211b; box-shadow: 0 34px 50px rgba(22,32,29,.24), inset 0 0 0 1px rgba(255,255,255,.22); transform: rotate(4deg); }
.phone::before { content: ""; width: 86px; height: 22px; border-radius: 0 0 16px 16px; position: absolute; background: #14211b; top: 0; left: 50%; transform: translateX(-50%); z-index: 2; }
.phone-preview { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center top; }

.proof { padding: 20px 0; border-bottom: 1px solid var(--line); background: white; }
.proof-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.proof-item { display: flex; align-items: center; gap: 13px; padding: 15px 0; font-size: 14px; font-weight: 720; }
.proof-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: var(--forest); background: var(--mist); font-size: 16px; }

.section { padding: clamp(78px, 11vw, 128px) 0; }
.section-heading { max-width: 690px; margin-bottom: 42px; }
h2 { margin-top: 12px; font-size: clamp(34px, 5vw, 57px); line-height: 1.04; letter-spacing: -.075em; }
.section-heading p { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { min-height: 292px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid var(--line); border-radius: 28px; background: white; transition: transform .25s ease, box-shadow .25s ease; }
.feature:hover { transform: translateY(-5px); box-shadow: 0 21px 42px rgba(22,32,29,.09); }
.feature:nth-child(2) { color: white; border: 0; background: var(--forest); }
.feature:nth-child(2) .feature-copy { color: #dce8dd; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 17px; color: var(--forest); background: var(--mist); font-size: 22px; }
.feature:nth-child(2) .feature-icon { color: var(--forest); background: #ecf4e6; }
.feature h3 { margin-top: 22px; font-size: 23px; letter-spacing: -.06em; }
.feature-copy { margin-top: 9px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.feature-index { font-size: 12px; font-weight: 800; letter-spacing: .08em; opacity: .58; }

.process { color: white; background: #17221d; }
.process .eyebrow { color: #b8d7b3; }
.process h2 { max-width: 560px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 55px; border-top: 1px solid rgba(255,255,255,.2); }
.step { min-height: 235px; padding: 27px 28px 22px 0; border-right: 1px solid rgba(255,255,255,.17); }
.step + .step { padding-left: 28px; }
.step:last-child { border-right: 0; }
.step-number { display: inline-flex; width: 31px; height: 31px; align-items: center; justify-content: center; border-radius: 50%; color: var(--forest); background: #dcebd9; font-size: 12px; font-weight: 800; }
.step h3 { margin: 38px 0 9px; font-size: 24px; letter-spacing: -.06em; }
.step p { max-width: 260px; color: #bbc3bd; font-size: 14px; line-height: 1.65; }

.privacy { background: linear-gradient(130deg, #e6eee1, #f8f3e8 62%); }
.privacy-card { display: grid; grid-template-columns: .88fr 1.12fr; gap: 60px; align-items: center; padding: clamp(30px,5vw,64px); border-radius: 36px; color: white; background: var(--forest); box-shadow: var(--shadow); }
.privacy-seal { width: 148px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); text-align: center; font-size: 18px; font-weight: 780; line-height: 1.25; letter-spacing: -.06em; background: radial-gradient(circle, rgba(255,255,255,.14), transparent 65%); }
.privacy-card p { margin-top: 17px; max-width: 520px; color: #dce8dd; font-size: 15px; line-height: 1.75; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; font-size: 14px; font-weight: 750; color: #fff; }
.text-link:hover { opacity: .76; }

.closing { padding: clamp(80px, 11vw, 138px) 0; text-align: center; background: var(--paper); }
.closing h2 { max-width: 690px; margin: 12px auto 0; }
.closing p { max-width: 480px; margin: 18px auto 0; color: var(--muted); line-height: 1.7; }
.closing .actions { justify-content: center; }
.footer { padding: 30px 0; border-top: 1px solid var(--line); color: #768078; font-size: 12px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer a:hover { color: var(--forest); }

.support-hero { padding: clamp(70px, 10vw, 122px) 0 82px; background: radial-gradient(circle at 74% 28%, #dfeeda 0, transparent 32%), var(--cream); }
.support-hero h1 { max-width: 760px; }
.support-hero p { max-width: 570px; color: #56615b; font-size: 17px; line-height: 1.7; }
.support-quick { margin-top: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 890px; }
.quick-link { min-height: 105px; padding: 18px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 22px; border: 1px solid rgba(44,95,73,.16); background: rgba(255,255,255,.74); font-size: 14px; font-weight: 730; }
.quick-link small { color: var(--muted); font-weight: 560; }
.quick-link:hover { border-color: var(--forest); color: var(--forest); }
.support-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 54px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; position: relative; padding: 25px 42px 25px 0; font-size: 18px; font-weight: 720; letter-spacing: -.035em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; color: var(--forest); font-size: 28px; font-weight: 350; transition: transform .2s ease; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 28px 25px 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.help-card { position: sticky; top: 94px; padding: 29px; border-radius: 28px; color: white; background: var(--forest); }
.help-card h3 { font-size: 25px; letter-spacing: -.06em; }
.help-card p { margin-top: 10px; color: #dce8dd; font-size: 14px; line-height: 1.7; }
.help-card .button { width: 100%; margin-top: 23px; color: var(--forest); background: white; }
.notice { margin-top: 18px; color: #cad9cd !important; font-size: 12px !important; }

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 600px); }
  .nav-links a:not(.nav-cta) { display: none; }
  .topbar { padding: 14px 0; }
  .hero-grid, .privacy-card, .support-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 70px; }
  .phone-stage { min-height: 455px; margin-top: 6px; }
  .phone { transform: rotate(3deg) scale(.83); transform-origin: center top; margin-bottom: -103px; }
  .orbit { transform: scale(.76); }
  .proof-grid, .feature-grid, .steps, .support-quick { grid-template-columns: 1fr; }
  .proof-grid { gap: 0; }
  .proof-item { border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .feature { min-height: 218px; }
  .step, .step + .step { min-height: auto; padding: 25px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.17); }
  .step:last-child { border-bottom: 0; }
  .step h3 { margin-top: 22px; }
  .privacy-card { gap: 27px; }
  .privacy-seal { width: 115px; }
  .help-card { position: static; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}
