@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap";.landing{--ink: #14201c;--mist: #e8f0ec;--jade: #2f6f5e;--jade-deep: #1e4a3e;--glow: rgba(90, 160, 130, .35);--paper: rgba(255, 255, 255, .72);position:relative;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;overflow:hidden;color:var(--ink);font-family:DM Sans,PingFang SC,Hiragino Sans GB,sans-serif;background:radial-gradient(120% 80% at 10% 0%,#d7ebe3 0%,transparent 55%),radial-gradient(90% 70% at 100% 20%,#c5d8e8 0%,transparent 50%),linear-gradient(165deg,#f3f7f5,#e4eee9 45%,#d9e4df)}.landing__atmosphere{pointer-events:none;position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 70% 75%,var(--glow),transparent 42%),radial-gradient(circle at 20% 85%,rgba(70,110,150,.18),transparent 40%);animation:landing-drift 18s ease-in-out infinite alternate}@keyframes landing-drift{0%{transform:translateZ(0) scale(1);opacity:.85}to{transform:translate3d(-2%,-1.5%,0) scale(1.04);opacity:1}}.landing__nav{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:1.25rem clamp(1.25rem,4vw,3rem)}.landing__brand-mark{font-family:Fraunces,Songti SC,serif;font-weight:600;font-size:1.15rem;letter-spacing:.02em;color:var(--jade-deep)}.landing__nav-actions{display:flex;align-items:center;gap:1.25rem}.landing__text-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0;padding:0;border:0;background:none;font:inherit;font-size:.92rem;font-weight:500;color:var(--jade-deep);text-decoration:underline;text-underline-offset:.22em;text-decoration-thickness:1px;text-decoration-color:#1e4a3e59;cursor:pointer;transition:color .15s ease,text-decoration-color .15s ease}.landing__text-btn:focus{outline:none}.landing__text-btn:focus-visible{outline:2px solid rgba(47,111,94,.45);outline-offset:3px;border-radius:2px}.landing__text-btn:hover{color:var(--jade);text-decoration-color:currentColor}.landing__tip-wrap{position:relative;display:inline-flex}.landing__poptip{position:absolute;top:calc(100% + .7rem);right:0;z-index:20;width:11.5rem;padding:.75rem;border:1px solid rgba(30,74,62,.12);border-radius:.75rem;background:#fffffff5;box-shadow:0 10px 28px #14201c1f;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:landing-poptip-in .18s ease both}.landing__poptip-arrow{position:absolute;top:-5px;right:1.6rem;width:9px;height:9px;border-left:1px solid rgba(30,74,62,.12);border-top:1px solid rgba(30,74,62,.12);background:#fffffff5;transform:rotate(45deg)}.landing__qr{display:grid;place-items:center;aspect-ratio:1;width:100%;border-radius:.5rem;background:linear-gradient(160deg,#f3f7f5,#e8f0ec);overflow:hidden}.landing__qr-img{width:100%;height:100%;object-fit:contain;display:block}.landing__qr-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.55rem;width:100%;height:100%;color:#14201c73;font-size:.75rem}.landing__qr-placeholder p{margin:0}.landing__qr-placeholder-mark{width:2.75rem;height:2.75rem;border:1.5px dashed rgba(30,74,62,.28);border-radius:.35rem;background:linear-gradient(90deg,transparent 46%,rgba(30,74,62,.18) 46% 54%,transparent 54%),linear-gradient(0deg,transparent 46%,rgba(30,74,62,.18) 46% 54%,transparent 54%)}.landing__qr-hint{margin:.55rem 0 0;text-align:center;font-size:.75rem;line-height:1.4;color:#14201c8c}@keyframes landing-poptip-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.landing__hero{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;padding:clamp(2rem,8vh,5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,10vh,6rem);max-width:42rem;animation:landing-rise .9s cubic-bezier(.22,1,.36,1) both}@keyframes landing-rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.landing__brand{margin:0 0 .75rem;font-family:Fraunces,Songti SC,serif;font-size:clamp(2.6rem,7vw,4.2rem);font-weight:600;line-height:1.05;letter-spacing:-.02em;color:var(--jade-deep)}.landing__title{margin:0 0 1rem;font-family:Fraunces,Songti SC,serif;font-size:clamp(1.55rem,3.6vw,2.15rem);font-weight:500;line-height:1.3;color:var(--ink)}.landing__lead{margin:0;max-width:28rem;font-size:1.05rem;line-height:1.7;color:#14201cb8;animation:landing-rise 1.05s cubic-bezier(.22,1,.36,1) .12s both}.landing__footer{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;align-items:center;justify-content:space-between;padding:1.25rem clamp(1.25rem,4vw,3rem) 1.5rem;border-top:1px solid rgba(20,32,28,.08);background:#ffffff59;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-size:.82rem;color:#14201c8c}.landing__beian{color:inherit;text-decoration:none;border-bottom:1px solid transparent;transition:color .15s ease,border-color .15s ease}.landing__beian:hover{color:var(--jade);border-bottom-color:currentColor}.landing__copy{opacity:.8}@media (max-width: 640px){.landing__hero{justify-content:flex-end;padding-bottom:2.5rem}.landing__footer{flex-direction:column;align-items:flex-start}}