:root {
  --ink: #151513;
  --coal: #1d1d1a;
  --paper: #f4f4ef;
  --fog: #e4e4dd;
  --quiet: #5a5a53;
  --seal: #b4442b;
  --lime: #bedb85;
  --line: color-mix(in srgb, var(--ink) 18%, transparent);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font-body: "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); }
a { color: inherit; }
.shell { width: min(1240px, calc(100% - 56px)); margin: 0 auto; }

.hero { position: relative; min-height: min(880px, 100svh); overflow: hidden; background: var(--coal); color: #f9f8f2; }
.hero::after { position: absolute; inset: auto 0 0; height: 120px; background: linear-gradient(transparent, rgba(0,0,0,.2)); content: ""; pointer-events: none; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding-top: 26px; position: relative; z-index: 1; }
.wordmark { font-size: 1.15rem; font-weight: 850; text-decoration: none; letter-spacing: -.035em; }
.wordmark span { margin-left: 8px; color: #a9a89f; font-size: .82rem; font-weight: 600; letter-spacing: 0; }
nav { display: flex; gap: clamp(16px, 2.4vw, 34px); }
nav a { color: #cfcec7; font-size: .86rem; font-weight: 700; text-decoration: none; transition: color 180ms ease; }
nav a:hover, nav a:focus-visible { color: var(--lime); }
.nav-short { display: none; }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); align-items: center; gap: clamp(52px, 7vw, 130px); min-height: 690px; padding: 72px 0 110px; }
.live-mark { display: flex; align-items: center; gap: 9px; margin: 0 0 24px; color: #b7b6ad; font-size: .79rem; font-weight: 750; letter-spacing: .04em; }
.live-mark i, .project-state i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(190,219,133,.13); }
.hero h1 { max-width: 9ch; margin: 0; font-family: var(--font-display); font-size: clamp(3.1rem, 6.3vw, 6rem); line-height: 1.05; letter-spacing: -.02em; text-wrap: balance; }
.hero h1 span { color: var(--lime); }
.hero-intro { max-width: 39ch; margin: 30px 0 0; color: #cfcec7; font-size: 1.02rem; line-height: 1.85; text-wrap: pretty; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; gap: 15px; padding: 14px 18px; border: 1px solid #f4f4ef; font-size: .9rem; font-weight: 800; text-decoration: none; transition: color 180ms ease, background 180ms ease, transform 180ms var(--ease); }
.button:hover, .button:focus-visible { background: var(--lime); border-color: var(--lime); color: var(--ink); transform: translateY(-2px); }
.text-link { color: #cfcec7; font-size: .9rem; font-weight: 750; text-decoration: none; }
.text-link span { margin-left: 5px; color: var(--lime); }

/* Direction marks are drawn with CSS, rather than relying on browser glyphs. */
.button > span[aria-hidden="true"], .text-link > span[aria-hidden="true"], .service-demo-link > span[aria-hidden="true"], .service-action > span[aria-hidden="true"], .contact-link > span[aria-hidden="true"], .payment-link > span[aria-hidden="true"], .payment-back > span[aria-hidden="true"], .studio-primary > span[aria-hidden="true"], .studio-secondary > span[aria-hidden="true"], .studio-cta a > span[aria-hidden="true"], .payment-mail > span[aria-hidden="true"], .link-mark { position: relative; display: inline-block; width: .82rem; height: .72rem; margin-left: 3px; color: currentColor; font-size: 0; line-height: 1; vertical-align: -.02em; }
.button > span[aria-hidden="true"]::before, .text-link > span[aria-hidden="true"]::before, .service-demo-link > span[aria-hidden="true"]::before, .service-action > span[aria-hidden="true"]::before, .contact-link > span[aria-hidden="true"]::before, .payment-link > span[aria-hidden="true"]::before, .payment-back > span[aria-hidden="true"]::before, .studio-primary > span[aria-hidden="true"]::before, .studio-secondary > span[aria-hidden="true"]::before, .studio-cta a > span[aria-hidden="true"]::before, .payment-mail > span[aria-hidden="true"]::before, .link-mark::before { position: absolute; top: 50%; left: 0; width: .7rem; border-top: 1.5px solid currentColor; content: ""; transform: translateY(-50%); }
.button > span[aria-hidden="true"]::after, .text-link > span[aria-hidden="true"]::after, .service-demo-link > span[aria-hidden="true"]::after, .service-action > span[aria-hidden="true"]::after, .contact-link > span[aria-hidden="true"]::after, .payment-link > span[aria-hidden="true"]::after, .payment-back > span[aria-hidden="true"]::after, .studio-primary > span[aria-hidden="true"]::after, .studio-secondary > span[aria-hidden="true"]::after, .studio-cta a > span[aria-hidden="true"]::after, .payment-mail > span[aria-hidden="true"]::after, .link-mark::after { position: absolute; top: 50%; right: 0; width: .32rem; height: .32rem; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; content: ""; transform: translateY(-50%) rotate(45deg); }

.signature-plate { position: relative; width: min(100%, 480px); justify-self: end; margin: 0; padding: 14px; background: #edede8; box-shadow: 16px 16px 0 var(--seal); transform: rotate(2.1deg); }
.signature-plate img { display: block; width: 100%; aspect-ratio: 1.22; object-fit: cover; object-position: center; filter: saturate(.88) contrast(1.06); }
.plate-note { position: absolute; z-index: 1; top: -29px; left: 28px; display: flex; gap: 12px; align-items: center; padding: 10px 13px; background: var(--seal); color: white; font-size: .72rem; transform: rotate(-3deg); }
.plate-note span { opacity: .72; }.plate-note strong { font-weight: 800; }
.signature-plate figcaption { position: absolute; right: 24px; bottom: 26px; max-width: 19ch; color: var(--ink); font-size: .74rem; font-weight: 800; line-height: 1.45; text-align: right; }
.hero-foot { position: absolute; z-index: 1; bottom: 31px; left: 50%; display: flex; align-items: center; justify-content: space-between; color: #aaa99f; font-size: .76rem; transform: translateX(-50%); }
.hero-foot a { color: #f5f4ed; font-weight: 800; text-decoration: none; }.hero-foot b { position: relative; display: inline-block; width: .72rem; height: .75rem; margin-left: 6px; color: var(--lime); font-size: 0; vertical-align: -.14em; }.hero-foot b::after { position: absolute; top: .08rem; left: 50%; width: .35rem; height: .35rem; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; content: ""; transform: translateX(-50%) rotate(45deg); }.hero-foot b::before { position: absolute; top: .04rem; bottom: .03rem; left: 50%; border-left: 1.5px solid currentColor; content: ""; transform: translateX(-50%); }

.builds { padding: clamp(104px, 14vw, 190px) 0; }
.builds-intro { display: grid; grid-template-columns: minmax(180px, .7fr) minmax(0, 2fr); gap: clamp(35px, 7vw, 140px); align-items: start; margin-bottom: 72px; }
.builds-intro > p { margin: 12px 0 0; color: var(--seal); font-size: .88rem; font-weight: 800; line-height: 1.5; }
.builds h2, .proof h2, .method h2, .contact h2 { margin: 0; font-family: var(--font-display); font-size: clamp(2.35rem, 5.1vw, 5.4rem); line-height: 1.1; letter-spacing: -.02em; text-wrap: balance; }
.project-list { border-top: 1px solid var(--ink); }
.project a, .project-quant-inner { display: grid; grid-template-columns: 60px minmax(0, 1.7fr) minmax(110px, .45fr) 34px; gap: 24px; align-items: center; min-height: 208px; padding: 31px 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding 240ms var(--ease), color 240ms ease; }
.project a:hover, .project a:focus-visible { padding-left: 18px; color: var(--seal); }
.project-number { align-self: start; padding-top: 6px; color: var(--quiet); font-size: .78rem; font-weight: 800; }
.project-kicker { margin: 0 0 11px; color: var(--seal); font-size: .78rem; font-weight: 800; }.project h3 { max-width: 19ch; margin: 0; font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 3rem); line-height: 1.1; letter-spacing: -.02em; text-wrap: balance; }.project-main > p:last-child { max-width: 52ch; margin: 17px 0 0; color: var(--quiet); font-size: .95rem; line-height: 1.72; }.project-state { justify-self: end; display: flex; gap: 9px; align-items: center; color: var(--quiet); font-size: .8rem; font-weight: 750; white-space: nowrap; }.project-sellbridge .project-state i { background: var(--seal); box-shadow: 0 0 0 5px rgba(180,68,43,.12); }.project-quant .project-state i { background: #5574d2; box-shadow: 0 0 0 5px rgba(85,116,210,.13); }.project-arrow { position: relative; justify-self: end; width: 1.3rem; height: 1.3rem; color: var(--ink); font-size: 0; transition: transform 220ms var(--ease); }.project-arrow::after { position: absolute; top: .35rem; left: .25rem; width: .58rem; height: .58rem; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; content: ""; }.project-arrow::before { position: absolute; top: .68rem; left: .25rem; width: .86rem; border-top: 1.5px solid currentColor; content: ""; transform: rotate(-45deg); transform-origin: left center; }.project a:hover .project-arrow, .project a:focus-visible .project-arrow { transform: translate(5px,-4px); color: var(--seal); }.project-note { max-width: 55ch; margin: 18px 0 0; color: var(--quiet); font-size: .77rem; line-height: 1.65; }.project-preview { position: relative; align-self: stretch; width: 190px; margin: 0; overflow: hidden; border: 1px solid var(--ink); background: var(--ink); }.project-preview img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left top; filter: saturate(.83) contrast(1.05); transition: transform 260ms var(--ease); }.project-preview figcaption { position: absolute; right: 8px; bottom: 8px; padding: 5px 7px; background: rgba(21,21,19,.88); color: #f5f5ef; font-size: .65rem; font-weight: 750; }.project-quant-inner:hover .project-preview img { transform: scale(1.035); }

.proof { background: var(--lime); padding: clamp(84px, 11vw, 150px) 0; }.proof-grid { display: grid; grid-template-columns: minmax(180px,.65fr) minmax(0, 1.7fr); gap: clamp(35px, 7vw, 150px); }.proof-side { margin: 7px 0 0; color: #355324; font-size: .91rem; font-weight: 850; line-height: 1.6; }.proof h2 { max-width: 14ch; }.proof-grid > div > p { max-width: 48ch; margin: 30px 0 0; color: #355324; font-size: 1rem; line-height: 1.8; }

.method { padding: clamp(104px, 14vw, 190px) 0; }.method-heading { display: flex; justify-content: space-between; gap: 60px; align-items: end; }.method-heading h2 { max-width: 13ch; }.method-heading > p { max-width: 32ch; margin: 0 0 7px; color: var(--quiet); line-height: 1.78; }.method-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 78px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }.method-flow li { min-height: 234px; padding: 28px 28px 26px 0; border-bottom: 1px solid var(--line); }.method-flow li + li { padding-left: 28px; border-left: 1px solid var(--line); }.method-flow b { display: block; margin-bottom: 18px; font-size: 1.25rem; letter-spacing: -.025em; }.method-flow span { display: block; max-width: 20ch; color: var(--quiet); line-height: 1.75; }

.contact { background: var(--seal); color: #fffaf2; padding: clamp(86px, 11vw, 155px) 0; }.contact-grid { display: grid; grid-template-columns: minmax(150px,.55fr) minmax(0,1.5fr); gap: clamp(35px, 8vw, 160px); }.contact img { width: min(180px,100%); border-radius: 50%; background: #f8f5eb; }.contact-grid > div > p:first-child { margin: 5px 0 24px; color: #ffd4c7; font-size: .88rem; font-weight: 750; line-height: 1.65; }.contact h2 { max-width: 10ch; }.contact-copy { max-width: 44ch; margin: 30px 0 0; color: #ffe1d6; line-height: 1.8; }.contact-link, .payment-link { display: inline-flex; gap: 12px; padding-bottom: 7px; border-bottom: 1px solid currentColor; color: white; font-weight: 850; text-decoration: none; }.contact-link { margin-top: 28px; }.payment-link { margin-top: 18px; color: #ffd4c7; font-size: .88rem; }.contact-link span, .payment-link span { color: var(--lime); }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 23px 28px; background: var(--ink); color: #aeada5; font-size: .76rem; }footer a { color: #f6f5ef; text-decoration: none; }

.payment-page { min-height: 100svh; background: var(--paper); }.payment-header { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; }.payment-header .wordmark { color: var(--ink); }.payment-back { color: var(--seal); font-size: .84rem; font-weight: 800; text-decoration: none; white-space: nowrap; }.payment-shell { padding: clamp(58px, 8vw, 120px) 0 clamp(100px, 13vw, 180px); }.payment-intro { display: grid; grid-template-columns: minmax(170px,.65fr) minmax(0,1.75fr); gap: clamp(35px, 8vw, 160px); }.payment-intro > p { margin: 9px 0 0; color: var(--seal); font-size: .88rem; font-weight: 850; }.payment-intro h1, .payment-confirm h2 { margin: 0; font-size: clamp(3rem, 6.1vw, 6.4rem); line-height: .97; letter-spacing: -.04em; text-wrap: balance; }.payment-rule { grid-column: 2; display: flex; flex-wrap: wrap; gap: 12px 20px; max-width: 52ch; margin-top: 4px; color: var(--quiet); line-height: 1.72; }.payment-rule strong { color: var(--ink); }.payment-rule span { min-width: 0; }.payment-methods { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); width: 100%; max-width: 100%; gap: 1px; margin-top: clamp(76px, 10vw, 145px); background: var(--ink); border: 1px solid var(--ink); }.payment-method { min-width: 0; min-height: 640px; padding: 25px; background: var(--paper); }.payment-method-wechat { background: #edf7df; }.payment-method-alipay { background: #e7f0ff; }.payment-method-head { display: flex; align-items: center; justify-content: space-between; color: var(--ink); font-weight: 850; }.payment-method-head b { color: rgba(21,21,19,.55); font-size: .78rem; }.payment-method a { display: flex; align-items: center; justify-content: center; min-width: 0; height: 500px; margin-top: 16px; overflow: hidden; }.payment-method img { display: block; max-width: 100%; max-height: 480px; object-fit: contain; transition: transform 240ms var(--ease); }.payment-method a:hover img, .payment-method a:focus-visible img { transform: scale(1.025); }.payment-method p { max-width: 47ch; margin: 10px 0 0; color: #365228; font-size: .86rem; line-height: 1.66; }.payment-method-alipay p { color: #28528e; }.payment-confirm { display: grid; grid-template-columns: minmax(170px,.65fr) minmax(0,1.75fr); gap: clamp(35px, 8vw, 160px); margin-top: clamp(100px, 14vw, 190px); }.payment-confirm > p { margin: 9px 0 0; color: var(--seal); font-size: .88rem; font-weight: 850; }.payment-confirm h2 { max-width: 13ch; }.payment-confirm ol { grid-column: 2; display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin: 46px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }.payment-confirm li { min-width: 0; min-height: 126px; padding: 22px 22px 22px 0; border-bottom: 1px solid var(--line); color: var(--quiet); line-height: 1.7; }.payment-confirm li + li { padding-left: 22px; border-left: 1px solid var(--line); }.payment-confirm li b { display: block; margin-bottom: 10px; color: var(--seal); font-size: .76rem; }.payment-mail { grid-column: 2; justify-self: start; display: inline-flex; gap: 12px; margin-top: 7px; padding: 14px 18px; background: var(--seal); color: white; font-size: .9rem; font-weight: 850; text-decoration: none; }.payment-mail span { color: var(--lime); }

@media (max-width: 820px) { .shell { width: min(100% - 40px, 640px); }.hero { min-height: auto; }.hero-grid { grid-template-columns: 1fr; gap: 76px; min-height: 0; padding: 94px 0 136px; }.signature-plate { width: min(88%, 440px); justify-self: start; margin-left: 8%; }.hero-foot { width: min(100% - 40px, 640px); }.builds-intro, .proof-grid, .contact-grid { grid-template-columns: 1fr; gap: 26px; }.builds-intro > p { margin: 0; }.project a, .project-quant-inner { grid-template-columns: 36px minmax(0,1fr); gap: 15px; min-height: auto; padding: 31px 0; }.project-state { display: none; }.project-preview { grid-column: 2; width: min(100%, 310px); height: 154px; margin-top: 5px; }.project h3 { font-size: clamp(1.65rem,7vw,2.45rem); }.project-main > p:last-child { margin-top: 12px; }.project a:hover, .project a:focus-visible { padding-left: 7px; }.method-heading { display: block; }.method-heading > p { margin-top: 25px; }.method-flow { grid-template-columns: 1fr; margin-top: 50px; }.method-flow li { min-height: auto; padding: 25px 0; }.method-flow li + li { padding-left: 0; border-left: 0; }.contact img { width: 126px; }.contact h2 { max-width: 12ch; } }
@media (max-width: 540px) { .site-header { gap: 14px; }.site-header nav { display: flex; gap: 16px; }.site-header nav .nav-full { display: none; }.site-header nav .nav-short { display: inline; }.wordmark span { display: none; }.hero h1 { font-size: clamp(2.8rem, 13vw, 4.1rem); }.signature-plate { width: 92%; margin-left: 0; box-shadow: 11px 11px 0 var(--seal); }.plate-note { left: 15px; }.hero-foot { bottom: 24px; }.hero-foot span { max-width: 20ch; }.proof h2, .builds h2, .method h2, .contact h2 { letter-spacing: -.03em; } footer { flex-wrap: wrap; padding: 23px 20px; } }
@media (prefers-reduced-motion: no-preference) { .hero-copy { animation: rise 620ms var(--ease) both; }.signature-plate { animation: settle 760ms var(--ease) both; }.live-mark i { animation: pulse 2.4s ease-in-out infinite; } }
@keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@keyframes settle { from { opacity: 0; transform: rotate(5deg) translateY(28px); } to { opacity: 1; transform: rotate(2.1deg) translateY(0); } }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(190,219,133,0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (max-width: 820px) {
  .payment-intro, .payment-confirm { grid-template-columns: 1fr; gap: 26px; }
  .payment-intro > p, .payment-confirm > p { margin: 0; }
  .payment-rule, .payment-confirm ol, .payment-mail { grid-column: 1; }
  .payment-methods { margin-top: 68px; }
  .payment-confirm { margin-top: 100px; }
}

@media (max-width: 540px) {
  .payment-shell { padding-top: 44px; }
  .payment-intro h1, .payment-confirm h2 { font-size: clamp(2.65rem, 13vw, 4.1rem); }
  .payment-methods { grid-template-columns: 1fr; }
  .payment-method { min-height: 540px; }
  .payment-method a { height: 410px; }
  .payment-method img { max-height: 400px; }
  .payment-confirm ol { grid-template-columns: 1fr; margin-top: 38px; }
  .payment-confirm li { min-height: auto; padding: 21px 0; }
  .payment-confirm li + li { padding-left: 0; border-left: 0; }
}

/* Direction B applies to the payment handoff as well as the landing page. */
.payment-intro h1, .payment-confirm h2 { font-family: var(--font-display); line-height: 1.05; letter-spacing: -.02em; }

/* Homepage hero: keep the personal signature visual, with a clearer left-side offer message. */
.hero {
  min-height: min(790px, 100svh);
  background: #e8e8e2;
  color: var(--ink);
}
.hero::after { display: none; }
.site-header { padding-top: 26px; }
.wordmark { color: var(--ink); }
.wordmark span { color: var(--quiet); }
nav a { color: var(--quiet); }
nav a:hover, nav a:focus-visible { color: var(--seal); }
.hero-grid {
  grid-template-columns: minmax(0, .85fr) minmax(430px, 1.15fr);
  align-items: center;
  gap: clamp(54px, 8vw, 148px);
  min-height: 630px;
  padding: 58px 0 86px;
}
.hero-kicker {
  margin: 0 0 25px;
  color: var(--seal);
  font-size: .8rem;
  font-weight: 850;
  letter-spacing: .02em;
}
.hero h1 {
  max-width: none;
  word-break: keep-all;
  font-size: clamp(3.45rem, 5.5vw, 5.65rem);
  line-height: 1.08;
  letter-spacing: -.025em;
}
.hero h1 span { color: var(--seal); }
.hero-intro { color: var(--quiet); }
.button.button-light { border-color: var(--ink); background: var(--ink); color: #f8f8f3; }
.button.button-light:hover, .button.button-light:focus-visible { border-color: var(--seal); background: var(--seal); color: white; }
.text-link { color: var(--ink); }
.text-link span { color: var(--seal); }
.hero-foot { color: var(--quiet); }
.hero-foot a { color: var(--ink); }.hero-foot b { color: var(--seal); }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 58px; min-height: 0; padding: 68px 0 52px; }
  .hero-foot { position: static; width: min(100% - 40px, 640px); margin: 0 auto; padding: 0 0 28px; transform: none; }
}
@media (max-width: 540px) {
  .hero-grid { gap: 46px; padding-top: 56px; }
  .hero h1 { font-size: clamp(3rem, 14vw, 4.25rem); }
}