:root{--ink:#202725;--muted:#68716d;--paper:#f7f8f4;--surface:#fff;--coral:#cc6475;--coral-dark:#9e4053;--teal:#327f74;--line:#dce2dc;--night:#18201f}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,76px);position:absolute;inset:0 0 auto;z-index:2;color:#fff}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;letter-spacing:.02em}.brand img{width:34px;height:34px;border-radius:10px;object-fit:cover}.site-header nav{display:flex;align-items:center;gap:26px;font-size:14px}.site-header nav a:not(.nav-cta){opacity:.82}.nav-cta{padding:9px 15px;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:rgba(20,28,27,.28);backdrop-filter:blur(10px)}.hero{min-height:82svh;position:relative;display:flex;align-items:flex-end;overflow:hidden;background:var(--night);color:#fff}.hero-art{position:absolute;inset:0;background-image:url('/assets/shiyu-hero.jpg');background-size:cover;background-position:center 42%;filter:saturate(.94)}.hero-art::after{content:"";position:absolute;inset:0;background:rgba(14,22,21,.54)}.hero-copy{position:relative;z-index:1;width:min(680px,100%);padding:clamp(130px,20vh,210px) clamp(24px,8vw,120px) clamp(64px,10vh,110px)}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:750;color:var(--teal);margin:0 0 14px}.hero .eyebrow{color:#ffd1d8}.hero h1{font-size:clamp(42px,7vw,84px);line-height:1.06;letter-spacing:-.02em;margin:0 0 22px;max-width:650px}.hero-lede{font-size:clamp(17px,2vw,22px);max-width:520px;color:rgba(255,255,255,.86);margin:0 0 28px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:700;font-size:14px;transition:transform .18s ease,background .18s ease}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--coral);color:#fff}.button.ghost{border:1px solid rgba(255,255,255,.5);color:#fff}.button.light{background:#fff;color:var(--night)}.hero-note{font-size:12px;color:rgba(255,255,255,.62);margin:18px 0 0}.section{max-width:1180px;margin:auto;padding:clamp(72px,10vw,132px) clamp(24px,5vw,64px)}.section-heading{max-width:650px}.section h2,.download-band h2{font-size:clamp(30px,4vw,52px);line-height:1.12;letter-spacing:-.02em;margin:0 0 16px}.section-heading>p:last-child{color:var(--muted);font-size:17px}.feature-list{margin-top:62px;border-top:1px solid var(--line)}.feature-list article{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.feature-number{font-size:13px;color:var(--coral-dark);font-weight:800;padding-top:5px}.feature-list h3{font-size:21px;margin:0 0 5px}.feature-list p{color:var(--muted);margin:0;max-width:650px}.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,10vw,150px);border-top:1px solid var(--line)}.plain-copy{color:var(--muted);font-size:17px}.text-link{display:inline-flex;gap:8px;color:var(--coral-dark);font-weight:750;margin-top:12px}.download-band{margin:0 clamp(16px,4vw,64px) clamp(32px,6vw,72px);padding:clamp(34px,6vw,68px);background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:26px}.download-band .eyebrow{color:#bce8df}.download-band p:not(.eyebrow){color:rgba(255,255,255,.78);margin:0}footer{display:flex;justify-content:space-between;padding:24px clamp(24px,5vw,76px);font-size:12px;color:var(--muted);border-top:1px solid var(--line)}.document{background:var(--paper)}.document .site-header{position:relative;background:var(--night);color:#fff}.document-main{max-width:780px;margin:auto;padding:90px 24px 120px}.document-main h1{font-size:clamp(36px,6vw,60px);line-height:1.1;margin:0 0 12px}.document-main h2{font-size:22px;margin:42px 0 8px}.document-main p{color:var(--muted);font-size:16px}.document-date{font-size:13px!important}.document footer{background:var(--surface)}
@media(max-width:700px){.site-header{height:64px}.site-header nav{gap:12px}.site-header nav a:not(.nav-cta){display:none}.hero{min-height:90svh}.hero-art{background-position:54% center}.hero-copy{padding:120px 24px 54px;background:rgba(14,22,21,.2)}.hero h1{font-size:48px}.split-section{grid-template-columns:1fr;gap:26px}.download-band{align-items:flex-start;flex-direction:column}.feature-list article{grid-template-columns:44px 1fr;gap:12px}}

.hero-art{background-size:auto 105%;background-repeat:no-repeat;background-position:right center;animation:hero-image-in 1.1s cubic-bezier(.2,.7,.2,1) both}.site-header{animation:header-in .55s ease-out both}.hero-copy>*{animation:hero-copy-in .65s cubic-bezier(.2,.7,.2,1) both}.hero-copy>*:nth-child(2){animation-delay:.06s}.hero-copy>*:nth-child(3){animation-delay:.12s}.hero-copy>*:nth-child(4){animation-delay:.18s}.hero-copy>*:nth-child(5){animation-delay:.24s}.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}.motion-ready .reveal.is-visible{opacity:1;transform:translateY(0)}.feature-list article:nth-child(2){transition-delay:.05s}.feature-list article:nth-child(3){transition-delay:.1s}.feature-list article:nth-child(4){transition-delay:.15s}.button:active{transform:translateY(0) scale(.98)}
@keyframes hero-image-in{from{opacity:0;transform:scale(1.035)}to{opacity:1;transform:scale(1)}}@keyframes header-in{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes hero-copy-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){.hero-art{background-size:auto 105%;background-position:center center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-art,.site-header,.hero-copy>*{animation:none!important}.motion-ready .reveal{opacity:1;transform:none;transition:none}.button{transition:none}}


.hero-art{background-image:url('/assets/hero-dfddcde54819456783eea1c62289486a.png');background-position:left center;background-size:cover}
@media(max-width:700px){.hero-art{background-position:center center}}