:root { --ink: #1f2530; --cream: #f5f0e7; --paper: #fffdf8; --coral: #ef6c57; --sage: #b6c9b6; --line: rgba(31,37,48,.13); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
.nav { height: 76px; max-width: 1120px; margin: auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--coral); font-family: Georgia, serif; font-size: 18px; font-style: italic; }
.nav-link { font-size: 13px; border-bottom: 1px solid; padding-bottom: 3px; }
.hero { max-width: 1120px; min-height: 720px; margin: auto; padding: 90px 48% 90px 28px; position: relative; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; display: flex; align-items: center; gap: 9px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 5px rgba(239,108,87,.12); }
h1, h2 { font-family: Georgia, "Noto Serif SC", serif; font-weight: 500; letter-spacing: -.035em; margin: 0; }
h1 { font-size: clamp(52px, 6.5vw, 88px); line-height: .99; margin: 28px 0; }
h1 em { color: var(--coral); font-weight: 500; }
.hero-copy { max-width: 570px; font-size: 17px; line-height: 1.85; color: #606570; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 28px; }
.primary-button { min-height: 54px; padding: 0 24px; background: var(--ink); color: #fff; display: inline-flex; align-items: center; justify-content: center; gap: 24px; font-size: 15px; font-weight: 700; border-radius: 3px; transition: transform .2s, background .2s; }
.primary-button:hover { background: var(--coral); transform: translateY(-2px); }
.text-button { font-size: 14px; font-weight: 600; }
.microcopy { color: #8a8e96; font-size: 12px; margin: 13px 0 0 3px; }
.hero-card { position: absolute; right: 28px; top: 50%; transform: translateY(-50%) rotate(2deg); width: min(42%, 430px); padding: 30px; background: var(--cream); border: 1px solid rgba(31,37,48,.08); box-shadow: 18px 20px 0 var(--sage); }
.card-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.part-tag { background: var(--coral); color: white; padding: 5px 8px; }
.question { font-family: Georgia, serif; font-size: 32px; line-height: 1.25; margin: 55px 0 65px; }
.answer-line { padding-top: 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; color: #626771; font-size: 13px; line-height: 1.5; }
.avatar { flex: 0 0 28px; height: 28px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 50%; font-family: Georgia, serif; }
.wave { height: 48px; margin-top: 24px; display: flex; align-items: center; justify-content: center; gap: 5px; }
.wave i { width: 3px; display: block; background: var(--coral); border-radius: 3px; opacity: .85; }
.section { max-width: 1120px; margin: auto; padding: 110px 28px; }
.section-label { color: var(--coral); font-size: 11px; font-weight: 800; letter-spacing: .17em; margin-bottom: 22px; }
.section h2 { font-size: clamp(40px, 5vw, 64px); line-height: 1.08; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 70px; border-top: 1px solid var(--line); }
.feature-card { padding: 32px 30px 15px 0; border-right: 1px solid var(--line); }
.feature-card + .feature-card { padding-left: 30px; }
.feature-card:last-child { border: 0; }
.feature-number { font-family: Georgia, serif; color: var(--coral); font-style: italic; }
.feature-card h3 { font-family: Georgia, serif; font-size: 26px; margin: 55px 0 12px; }
.feature-card p, .guide-copy p, .note p { color: #676b73; line-height: 1.8; font-size: 14px; }
.guide { max-width: none; background: var(--ink); color: white; display: grid; grid-template-columns: 1fr 1fr; padding-left: max(28px, calc((100vw - 1064px)/2)); padding-right: max(28px, calc((100vw - 1064px)/2)); gap: 11%; }
.section-label.light { color: #e5a596; }
.guide-copy p { color: #b9bdc4; max-width: 420px; margin-top: 28px; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.steps li > span { color: #e5a596; font-family: Georgia, serif; font-style: italic; }
.steps h3 { margin: 0 0 7px; font-size: 17px; }
.steps p { margin: 0; color: #b9bdc4; font-size: 13px; line-height: 1.6; }
.notes { display: grid; gap: 24px; }
.note { padding: 34px; border: 1px solid var(--line); }
.privacy { display: grid; grid-template-columns: 45px 1fr; background: var(--cream); }
.note-icon { font-size: 34px; color: var(--coral); }
.note h3 { margin: 0 0 8px; font-family: Georgia, serif; font-size: 20px; }
.note p { margin: 0; max-width: 760px; }
.contact { min-height: 390px; display: flex; justify-content: space-between; align-items: center; gap: 48px; background: var(--sage); }
.contact h2 { font-size: clamp(36px, 4vw, 52px); }
.contact-copy p { max-width: 580px; }
.qr-tip { margin-top: 14px !important; font-size: 12px !important; color: #515760 !important; }
.contact-qr { flex: 0 0 220px; margin: 0; padding: 10px; background: white; box-shadow: 10px 12px 0 rgba(31,37,48,.11); transform: rotate(1deg); }
.contact-qr img { width: 100%; height: auto; display: block; }
.contact-qr figcaption { padding: 10px 4px 3px; color: #686d75; font-size: 12px; text-align: center; }
.final-cta { background: var(--coral); color: white; text-align: center; padding: 100px 28px; }
.final-cta p { font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.final-cta h2 { font-size: clamp(38px, 6vw, 68px); margin: 18px 0 36px; }
.light-button { background: white; color: var(--ink); }
.light-button:hover { background: var(--ink); }
footer { max-width: 1120px; margin: auto; min-height: 90px; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; color: #858991; font-size: 12px; }
.mobile-cta { display: none; }
@media (max-width: 760px) {
  body { padding-bottom: 76px; }
  .nav { height: 64px; padding: 0 20px; }
  .brand { font-size: 12px; }
  .nav-link { display: none; }
  .hero { min-height: auto; padding: 62px 20px 75px; }
  h1 { font-size: 51px; }
  .hero-copy { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .primary-button { width: 100%; }
  .text-button, .microcopy { text-align: center; }
  .hero-card { position: relative; right: auto; top: auto; transform: rotate(1.5deg); width: calc(100% - 12px); margin: 65px 0 10px; padding: 24px; box-shadow: 12px 13px 0 var(--sage); }
  .question { font-size: 26px; margin: 42px 0 50px; }
  .section { padding: 78px 20px; }
  .section h2 { font-size: 42px; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 42px; }
  .feature-card, .feature-card + .feature-card { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-card h3 { margin: 22px 0 8px; }
  .guide { grid-template-columns: 1fr; gap: 38px; }
  .steps li { grid-template-columns: 42px 1fr; }
  .privacy { grid-template-columns: 1fr; }
  .contact { align-items: center; flex-direction: column; gap: 32px; padding: 34px 24px; }
  .contact-qr { width: min(100%, 280px); flex-basis: auto; }
  .final-cta { padding: 78px 20px; }
  footer { min-height: 100px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
  .mobile-cta { position: fixed; z-index: 20; left: 12px; right: 12px; bottom: 10px; height: 56px; display: flex; justify-content: center; align-items: center; gap: 16px; background: var(--ink); color: white; box-shadow: 0 8px 25px rgba(31,37,48,.3); font-weight: 700; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }