:root {
  --paper: #fffdfb;
  --ink: #111111;
  --muted: #65615f;
  --line: #ded9d5;
  --accent: #c9787f;
  --accent-deep: #b95f69;
  --accent-soft: #f5e2e1;
  --blue-soft: #e6f2ff;
  --blue-line: #b8d8f3;
  --page: min(1120px, calc(100vw - 48px));
  --display: "Arial Rounded MT Bold", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { max-width: 100%; display: block; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 1000;
  padding: 10px 16px; border-radius: 999px; background: var(--ink); color: white;
  transition: top .2s;
}
.skip-link:focus { top: 16px; }
.section-shell { width: var(--page); margin-inline: auto; }
.accent-text { color: var(--accent-deep); }
.eyebrow, .section-label, .modal-kicker {
  margin: 0 0 18px; color: var(--accent-deep); font-size: 14px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
}

.site-header {
  position: sticky; top: 0; z-index: 30; width: 100%; height: 72px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid rgba(17,17,17,.08);
  background: rgba(255,253,251,.88); backdrop-filter: blur(16px);
}
.site-header--home { position: fixed; border-bottom: 0; background: transparent; backdrop-filter: none; }
.brand, .back-home { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-weight: 850; }
.brand-mark { width: 17px; height: 17px; border: 2px solid var(--ink); border-radius: 50%; position: relative; }
.brand-mark::after { content: ""; position: absolute; width: 6px; height: 6px; right: -5px; bottom: -3px; border-radius: 50%; background: var(--accent); }
.header-note { justify-self: end; color: var(--muted); font-size: 13px; letter-spacing: .08em; }
.back-home span:first-child { font-size: 22px; transition: transform .2s; }
.back-home:hover span:first-child { transform: translateX(-4px); }
.section-brand { grid-column: 2; font-family: var(--display); font-size: 15px; letter-spacing: .06em; }
.site-nav { justify-self: end; display: flex; align-items: center; gap: 22px; font-size: 13px; font-weight: 750; }
.site-nav a { position: relative; padding: 8px 0; color: var(--muted); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 2px; background: var(--accent); transition: right .2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { right: 0; }
.nav-toggle { display: none; }

.home-main { min-height: 100svh; position: relative; z-index: 2; }
.home-hero { width: var(--page); min-height: 100svh; margin-inline: auto; padding: 144px 0 148px; display: flex; flex-direction: column; justify-content: center; }
.home-tagline { align-self: flex-end; max-width: 360px; text-align: right; line-height: 1.7; }
.display-title { margin: 0; font-family: var(--display); font-size: clamp(64px, 10vw, 132px); line-height: 1.08; letter-spacing: -.025em; white-space: nowrap; }
.home-intro { max-width: 540px; margin: 34px 0 46px; font-size: clamp(16px, 2vw, 20px); line-height: 1.8; color: var(--muted); }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.entry-card {
  min-height: 230px; padding: 28px; border: 1.5px solid var(--ink); border-radius: 26px;
  display: grid; grid-template-columns: 1fr auto; align-content: start; overflow: hidden; position: relative;
  background: rgba(255,253,251,.76); transition: transform .25s, box-shadow .25s, background .25s;
}
.entry-card::before { content: ""; position: absolute; inset: auto -8% -54% 30%; height: 80%; border-radius: 50%; background: var(--accent-soft); transform: rotate(-10deg); transition: transform .35s; }
.entry-card--agent::before { background: var(--blue-soft); }
.entry-card:hover { transform: translateY(-5px); box-shadow: 0 18px 50px rgba(25,20,18,.09); }
.entry-card:hover::before { transform: rotate(-4deg) scale(1.12); }
.entry-index { color: var(--muted); font-size: 13px; }
.entry-kicker { justify-self: end; color: var(--accent-deep); font-size: 13px; font-weight: 800; }
.entry-card strong { grid-column: 1 / -1; margin-top: 34px; font-family: var(--display); font-size: clamp(30px, 4vw, 48px); letter-spacing: -.015em; }
.entry-desc { grid-column: 1 / -1; margin-top: 8px; color: var(--muted); }
.entry-arrow { grid-column: 1 / -1; align-self: end; margin-top: 26px; font-weight: 800; position: relative; z-index: 1; }
.home-footnote { margin: 28px 0 0; color: #8e8986; font-size: 12px; letter-spacing: .12em; }
.reveal { opacity: 0; transform: translateY(18px); animation: reveal .7s cubic-bezier(.22,.8,.22,1) forwards; }
.reveal--delay-1 { animation-delay: .08s; }
.reveal--delay-2 { animation-delay: .16s; }
.reveal--delay-3 { animation-delay: .25s; }
.reveal--delay-4 { animation-delay: .34s; }
@keyframes reveal { to { opacity: 1; transform: none; } }

.wave-field { position: absolute; left: 0; right: 0; bottom: 0; height: 155px; overflow: hidden; pointer-events: none; }
.wave-field--fixed { position: fixed; z-index: 1; height: 130px; opacity: .9; }
.waves { position: absolute; left: -5%; bottom: -10px; width: 110%; height: 170px; overflow: visible; }
.wave { fill: none; stroke-linecap: round; vector-effect: non-scaling-stroke; animation: wave-drift 8s ease-in-out infinite alternate; }
.wave--strong { stroke: var(--ink); stroke-width: 3; }
.wave--soft { stroke: #97928f; stroke-width: 1.5; opacity: .65; animation-delay: -2s; animation-duration: 11s; }
.wave--faint { stroke: #c9c4c0; stroke-width: 1.2; opacity: .55; animation-delay: -4s; animation-duration: 13s; }
@keyframes wave-drift { from { transform: translate3d(-22px,7px,0); } to { transform: translate3d(22px,-7px,0); } }

.kinetic-hero { min-height: calc(100svh - 72px); position: relative; overflow: hidden; }
.floating-copy { position: absolute; inset: 0; z-index: 1; }
.floating-copy span {
  position: absolute; left: var(--x); top: var(--y); transform: translateY(120px) rotate(var(--r)) scale(var(--s));
  font-family: "STKaiti", "KaiTi", "Kaiti SC", var(--body); font-size: clamp(25px, 5vw, 54px); white-space: nowrap;
  color: #343231; opacity: 0; animation: float-word 1.2s cubic-bezier(.2,.78,.2,1) var(--d) forwards;
}
.floating-copy span.accent { color: var(--accent-deep); font-weight: 700; }
@keyframes float-word {
  0% { opacity: 0; transform: translateY(120px) rotate(var(--r)) scale(.82); filter: blur(5px); }
  68% { opacity: .88; }
  100% { opacity: .82; transform: translateY(0) rotate(var(--r)) scale(var(--s)); filter: blur(0); }
}
.hero-copy { width: var(--page); margin-inline: auto; position: relative; z-index: 3; }
.hero-copy--lower { padding-top: min(57svh, 610px); padding-bottom: 165px; }
.hero-copy h1 { max-width: 960px; margin: 0; font-family: var(--display); font-size: clamp(48px, 7.4vw, 102px); line-height: 1.24; letter-spacing: -.012em; }
.hero-copy > p:not(.eyebrow) { max-width: 620px; margin: 26px 0 0; color: var(--muted); font-size: clamp(16px, 2vw, 20px); line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 34px; }
.primary-button {
  min-height: 54px; padding: 0 28px; border: 1px solid var(--blue-line); border-radius: 999px;
  background: rgba(220,238,255,.76); box-shadow: 0 9px 30px rgba(74,135,183,.12), inset 0 1px rgba(255,255,255,.9);
  color: #152b3d; font-weight: 850; letter-spacing: .06em; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s;
}
.primary-button:hover { transform: translateY(-3px); background: #ddecfb; box-shadow: 0 13px 34px rgba(74,135,183,.18); }
.primary-button:focus-visible, .text-link:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(201,120,127,.35); outline-offset: 4px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; }
.text-link span { transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.quick-proof { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quick-proof p { margin: 0; padding: 26px 14px; text-align: center; font-weight: 780; border-right: 1px solid var(--line); }
.quick-proof p:last-child { border-right: 0; }
.next-panel { padding-block: 110px; display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.next-panel h2 { margin: 0; font-family: var(--display); font-size: clamp(36px, 5vw, 64px); line-height: 1.18; letter-spacing: -.018em; }
.next-links { border-top: 1px solid var(--ink); }
.next-links a { display: flex; justify-content: space-between; padding: 28px 4px; border-bottom: 1px solid var(--line); font-size: 19px; font-weight: 800; transition: padding .2s, color .2s; }
.next-links a:hover { padding-left: 12px; color: var(--accent-deep); }

.content-main { min-height: 100vh; }
.content-hero { padding-block: 120px 90px; }
.content-hero--compact { padding-bottom: 30px; position: relative; }
.content-hero h1 { max-width: 960px; margin: 0; font-family: var(--display); font-size: clamp(52px, 7.5vw, 96px); line-height: 1.16; letter-spacing: -.018em; }
.content-hero > p:last-child { max-width: 650px; margin: 30px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.pink-stroke { display: block; width: 134px; height: 4px; margin-bottom: 70px; border-radius: 99px; background: var(--accent); transform: rotate(-3deg); }
.feature-list { padding-bottom: 100px; }
.feature-item { min-height: 220px; display: grid; grid-template-columns: 92px minmax(0,760px) 1fr; gap: 28px; align-items: center; position: relative; border-top: 1px solid var(--line); overflow: hidden; }
.feature-item:last-child { border-bottom: 1px solid var(--line); }
.feature-number { color: var(--accent-deep); font-weight: 850; }
.feature-item h2 { margin: 0 0 12px; font-family: var(--display); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; letter-spacing: -.012em; }
.feature-item p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 17px; }
.sketch-mark { justify-self: end; width: 84px; height: 84px; border: 2px solid var(--accent); border-radius: 46% 54% 50% 48%; opacity: .32; transform: rotate(-8deg); }
.sketch-mark::after { content: ""; display: block; width: 58px; height: 58px; margin: 11px; border: 1px solid var(--accent); border-radius: 52% 45% 56% 47%; transform: rotate(16deg); }
.faq-list { padding-bottom: 80px; }
.faq-item { max-width: 880px; padding: 66px 0 68px; margin-left: clamp(0px, 7vw, 110px); border-bottom: 1px solid var(--line); }
.faq-item h2 { display: inline-block; position: relative; margin: 0 0 27px; font-family: var(--display); font-size: clamp(30px, 4.4vw, 54px); line-height: 1.2; letter-spacing: -.012em; }
.faq-item h2::after { content: ""; position: absolute; left: -8px; right: -12px; bottom: -10px; height: 2px; background: var(--accent); opacity: .42; transform: rotate(-1deg); }
.faq-item p { margin: 0 0 0 clamp(18px, 6vw, 80px); color: #4f4b49; font-size: clamp(18px, 2.3vw, 25px); line-height: 1.8; }
.faq-item p span { color: var(--accent-deep); font-weight: 800; }
.page-cta { margin-bottom: 100px; padding: 44px; border: 1px solid var(--line); border-radius: 28px; display: flex; align-items: center; gap: 22px; background: linear-gradient(135deg, rgba(245,226,225,.58), rgba(230,242,255,.62)); }
.page-cta p { margin: 0 auto 0 0; font-family: var(--display); font-size: clamp(22px, 3vw, 34px); font-weight: 850; }

.site-footer { min-height: 160px; padding-block: 42px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; align-content: center; gap: 8px 30px; color: var(--muted); font-size: 13px; }
.footer-brand { color: var(--ink); font-family: var(--display); font-size: 18px; font-weight: 850; }
.site-footer p { margin: 0; }
.site-footer > a:last-child { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--ink); font-weight: 800; }

.contact-modal[hidden] { display: none; }
.contact-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; opacity: 0; transition: opacity .22s; }
.contact-modal.is-visible { opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: rgba(25,25,25,.38); backdrop-filter: blur(12px); cursor: default; }
.modal-card {
  position: relative; width: min(600px, 100%); max-height: calc(100svh - 48px); overflow-y: auto; overscroll-behavior: contain;
  padding: 44px; border: 1px solid rgba(255,255,255,.65); border-radius: 34px; background: rgba(255,255,255,.94);
  box-shadow: 0 30px 100px rgba(20,20,20,.2); transform: translateY(18px) scale(.98); transition: transform .25s cubic-bezier(.2,.8,.2,1);
}
.is-visible .modal-card { transform: none; }
.modal-close { position: absolute; top: 22px; right: 22px; width: 48px; height: 48px; border: 0; border-radius: 50%; background: #f5f4f2; font-size: 32px; line-height: 1; cursor: pointer; }
.modal-card h2 { max-width: 440px; margin: 0 60px 24px 0; font-family: var(--display); font-size: clamp(30px, 5vw, 46px); line-height: 1.2; letter-spacing: -.04em; }
.qr-switch { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 20px; border: 1px solid var(--line); border-radius: 999px; background: #f5f3f1; }
.qr-switch button { min-height: 42px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 14px; font-weight: 800; cursor: pointer; }
.qr-switch button.is-active { background: white; color: var(--ink); box-shadow: 0 3px 15px rgba(0,0,0,.08); }
.qr-figure { margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 24px; background: white; text-align: center; }
.qr-figure img { width: min(330px, 100%); aspect-ratio: 1; object-fit: contain; margin: auto; border-radius: 16px; }
.flow-block { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.flow-block h3 { margin: 0 0 14px; font-size: 14px; color: var(--accent-deep); letter-spacing: .12em; }
.flow-block ol { list-style: none; padding: 0; margin: 0; }
.flow-block li { display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 12px; padding: 13px 0; border-bottom: 1px solid #efebe8; }
.flow-block li span { color: var(--accent-deep); font-size: 13px; font-weight: 850; }
.flow-block li strong { font-size: 16px; }
.modal-note { margin: 22px 0 0; text-align: center; color: #8b8683; font-size: 12px; }

@media (max-width: 780px) {
  :root { --page: calc(100% - 34px); }
  .site-header { height: 64px; grid-template-columns: 1fr auto 1fr; padding-inline: 17px; }
  .site-header--home { padding-inline: 20px; }
  .back-home__label { display: none; }
  .nav-toggle { justify-self: end; width: 40px; height: 40px; padding: 10px 8px; border: 0; background: transparent; display: grid; align-content: center; gap: 6px; }
  .nav-toggle span:not(.sr-only) { display: block; height: 2px; background: var(--ink); transition: transform .2s; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; left: 17px; right: 17px; top: 58px; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,253,251,.98); box-shadow: 0 20px 50px rgba(20,20,20,.12); opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .2s, transform .2s; }
  .site-nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .site-nav a { padding: 13px 12px; }
  .site-nav a::after { display: none; }
  .header-note { display: none; }
  .home-hero { padding: 106px 0 128px; justify-content: flex-start; }
  .home-tagline { max-width: 250px; margin-bottom: 10px; font-size: 12px; }
  .display-title { margin-top: 0; font-size: clamp(52px, 16.2vw, 96px); }
  .home-intro { margin: 26px 0 30px; font-size: 15px; }
  .entry-grid { grid-template-columns: 1fr; gap: 12px; }
  .entry-card { min-height: 190px; padding: 22px; border-radius: 22px; }
  .entry-card strong { margin-top: 25px; font-size: 34px; }
  .entry-arrow { margin-top: 18px; }
  .wave-field--fixed { height: 84px; }
  .kinetic-hero { min-height: calc(100svh - 64px); }
  .floating-copy span { font-size: clamp(24px, 9vw, 40px); }
  .hero-copy--lower { padding-top: 57svh; padding-bottom: 135px; }
  .hero-copy h1 { font-size: clamp(42px, 11.5vw, 56px); line-height: 1.24; }
  .hero-copy > p:not(.eyebrow) { font-size: 15px; line-height: 1.7; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .primary-button { width: 100%; }
  .quick-proof { grid-template-columns: 1fr 1fr; }
  .quick-proof p { padding: 20px 8px; font-size: 13px; }
  .quick-proof p:nth-child(2) { border-right: 0; }
  .quick-proof p:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .next-panel { padding-block: 76px; grid-template-columns: 1fr; gap: 48px; }
  .next-panel h2 { font-size: 40px; }
  .content-hero { padding-block: 84px 64px; }
  .content-hero--compact { padding-bottom: 12px; }
  .content-hero h1 { font-size: clamp(42px, 11.5vw, 56px); line-height: 1.2; }
  .content-hero > p:last-child { font-size: 16px; }
  .pink-stroke { margin-bottom: 54px; }
  .feature-list { padding-bottom: 70px; }
  .feature-item { min-height: 245px; grid-template-columns: 42px 1fr; gap: 12px; }
  .feature-number { align-self: start; padding-top: 36px; }
  .feature-item h2 { font-size: 34px; }
  .feature-item p { font-size: 15px; }
  .sketch-mark { position: absolute; right: -18px; bottom: -20px; width: 76px; height: 76px; }
  .faq-item { padding: 54px 0 58px; margin-left: 0; }
  .faq-item h2 { font-size: 34px; }
  .faq-item p { margin-left: 22px; font-size: 18px; }
  .page-cta { margin-bottom: 70px; padding: 28px 20px; border-radius: 24px; flex-direction: column; align-items: stretch; }
  .page-cta p { margin: 0 0 4px; text-align: center; }
  .page-cta .text-link { justify-content: center; }
  .site-footer { grid-template-columns: 1fr; min-height: 190px; text-align: center; justify-items: center; }
  .site-footer > a:last-child { grid-column: 1; grid-row: auto; }
  .contact-modal { padding: 12px; align-items: end; }
  .modal-card { max-height: calc(100svh - 24px); padding: 30px 20px 28px; border-radius: 28px; }
  .modal-close { top: 16px; right: 16px; width: 44px; height: 44px; }
  .modal-card h2 { margin-right: 46px; font-size: 31px; }
  .qr-figure { padding: 12px; }
  .qr-figure img { width: min(285px, 100%); }
}

@media (min-width: 781px) and (max-width: 1080px) {
  .hero-copy--lower { padding-top: 55svh; }
  .entry-card { min-height: 215px; }
  .next-panel { gap: 55px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .floating-copy span, .reveal { opacity: 1; filter: none; transform: rotate(var(--r)) scale(var(--s)); }
}