.authenticity-shell{--auth-red:#8b0012;--auth-deep:#3f0008;--auth-ink:#281e1f;--auth-cream:#f5eee7;min-height:100vh;color:var(--auth-ink);background:radial-gradient(circle at 77% 8%,#8b001214,#0000 24%),radial-gradient(circle at 14% 88%,#ae7a531a,#0000 28%),linear-gradient(132deg,#fffdfa 0%,#f8f2ec 52%,#f1e7df 100%);padding:27px clamp(30px,5vw,82px) 25px;font-family:Microsoft YaHei,PingFang SC,sans-serif;position:relative;overflow:hidden}.authenticity-shell:before{content:"";border:1px solid #8b001214;border-radius:50%;width:54vw;height:54vw;position:absolute;top:-23vw;right:-16vw;box-shadow:0 0 0 5vw #8b001205,0 0 0 10vw #8b001203}.authenticity-grain{opacity:.18;pointer-events:none;background-image:radial-gradient(#57343057 .45px,#0000 .55px);background-size:5px 5px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(110deg,#000,#0000 78%);mask-image:linear-gradient(110deg,#000,#0000 78%)}.authenticity-river{pointer-events:none;border:1px solid #8b00121a;border-left:0;border-right:0;border-radius:50%;position:absolute}.authenticity-river.river-a{width:80%;height:63%;bottom:-34%;right:-14%;transform:rotate(-9deg)}.authenticity-river.river-b{width:67%;height:50%;bottom:-26%;right:-19%;transform:rotate(-7deg)}.authenticity-topbar,.authenticity-footer{z-index:3;justify-content:space-between;align-items:center;display:flex;position:relative}.authenticity-lockup{align-items:center;gap:12px;display:flex}.authenticity-emblem{background:#fff;border:1px solid #8b001224;border-radius:50%;place-items:center;width:42px;height:42px;display:grid;overflow:hidden;box-shadow:0 7px 18px #55000c14}.authenticity-emblem img{object-fit:cover;width:100%;height:100%}.authenticity-lockup div{flex-direction:column;gap:2px;display:flex}.authenticity-lockup strong{color:var(--auth-red);letter-spacing:.13em;font:700 18px STKaiti,KaiTi,serif}.authenticity-lockup small{color:#9b8987;letter-spacing:.2em;font:700 7px Georgia,serif}.authenticity-seal{color:var(--auth-red);align-items:baseline;gap:7px;display:flex}.authenticity-seal span{color:#a08f8d;letter-spacing:.24em;margin-right:8px;font:700 8px Georgia,serif}.authenticity-seal strong{font:500 28px Georgia,serif}.authenticity-seal i{color:#ae9c9b;font:italic 11px Georgia,serif}.authenticity-stage{z-index:2;width:min(1370px,100%);margin:clamp(32px,5vh,62px) auto 22px;position:relative}.authenticity-intro{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:35px;display:grid}.authenticity-eyebrow{color:var(--auth-red);letter-spacing:.14em;align-items:center;gap:10px;margin:12px 0 0;font-size:11px;font-weight:700;display:flex}.authenticity-eyebrow i{background:currentColor;width:26px;height:1px}.authenticity-intro h1{letter-spacing:.035em;max-width:950px;margin:0;font:600 clamp(23px,2.2vw,36px)/1.45 Songti SC,STSong,serif}.authenticity-question{margin-top:clamp(24px,4vh,45px);animation:.55s cubic-bezier(.2,.76,.25,1) both authenticity-enter}.authenticity-question-line{border-bottom:1px solid #57383524;margin-bottom:20px;padding-bottom:13px;display:block}.authenticity-question-line h2{margin:0;font:600 clamp(18px,1.55vw,25px) Songti SC,STSong,serif}.portrait-choice-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,1.5vw,24px);display:grid}.portrait-choice{color:inherit;text-align:left;background:0 0;border:0;padding:0;position:relative}.portrait-choice:disabled,.motto-choice:disabled{cursor:default}.portrait-window{aspect-ratio:4/5;background:#d9d0ca;border-radius:4px 4px 16px;transition:transform .28s,box-shadow .28s;display:block;position:relative;overflow:hidden;box-shadow:0 17px 36px #3e1d1b1c}.portrait-window:before{z-index:2;border-radius:inherit;content:"";pointer-events:none;border:1px solid #ffffff47;position:absolute;inset:0}.portrait-choice.watermark-cover .portrait-window:after{z-index:1;content:"";pointer-events:none;height:17%;position:absolute;bottom:0;left:0;right:0}.portrait-choice.watermark-b .portrait-window:after{background:linear-gradient(#0000 0%,#191e23fa 48%,#191d22 100%)}.portrait-choice.watermark-d .portrait-window:after{background:linear-gradient(#0000 0%,#2e1812fa 48%,#2e1812 100%);height:19%}.portrait-window img{object-fit:cover;filter:saturate(.86)contrast(1.03);width:100%;height:100%;transition:transform .5s cubic-bezier(.2,.7,.2,1),filter .28s;display:block}.portrait-vignette{pointer-events:none;background:linear-gradient(#0000 65%,#1c080a61);position:absolute;inset:0}.portrait-caption{grid-template-columns:33px 1fr auto;align-items:center;gap:10px;padding:13px 3px 0;display:grid}.portrait-caption b{width:29px;height:29px;color:var(--auth-red);border:1px solid #8b00123d;border-radius:50%;place-items:center;font:700 11px Georgia,serif;display:grid}.portrait-caption strong{text-overflow:ellipsis;white-space:nowrap;font:600 13px Songti SC,STSong,serif;overflow:hidden}.portrait-caption i{opacity:0;color:var(--auth-red);letter-spacing:.08em;font-size:8px;font-style:normal;transition:opacity .2s,transform .2s;transform:translate(-5px)}.portrait-choice:hover .portrait-window{transform:translateY(-7px);box-shadow:0 24px 48px #3e1d1b2b}.portrait-choice:hover img{filter:saturate()contrast(1.02);transform:scale(1.035)}.portrait-choice:hover .portrait-caption i{opacity:1;transform:translate(0)}.portrait-choice.selected .portrait-window{outline:3px solid var(--auth-red);outline-offset:4px}.portrait-choice.selected .portrait-caption b{color:#fff;background:var(--auth-red)}.motto-question{width:min(1080px,100%);margin:clamp(72px,12vh,150px) auto 0}.motto-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.motto-choice{min-height:112px;color:inherit;text-align:left;background:#ffffff94;border:1px solid #5b393621;border-radius:3px 3px 20px;grid-template-columns:42px 1fr auto;align-items:center;gap:18px;padding:20px 24px;transition:transform .22s,border-color .22s,background .22s;display:grid;box-shadow:0 12px 30px #43201e0e}.motto-choice>b{width:38px;height:38px;color:var(--auth-red);border:1px solid #8b001230;border-radius:50%;place-items:center;font:700 13px Georgia,serif;display:grid}.motto-choice>span{flex-direction:column;gap:7px;display:flex}.motto-choice strong{letter-spacing:.14em;font:600 23px STKaiti,KaiTi,serif}.motto-choice>i{color:#b29f9d;font:18px Georgia,serif}.motto-choice:hover{background:#ffffffe0;border-color:#8b001259;transform:translateY(-3px)}.motto-choice.selected{border-color:var(--auth-red);background:#8b00120b;box-shadow:0 13px 33px #8b00121a}.motto-choice.selected>b{color:#fff;background:var(--auth-red)}.authenticity-feedback{z-index:20;opacity:0;min-width:310px;color:var(--auth-red);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);pointer-events:none;background:#fffbf7f0;border:1px solid #8b001224;border-radius:999px;align-items:center;gap:12px;padding:10px 18px 10px 10px;transition:opacity .22s,transform .22s;display:flex;position:fixed;top:30px;left:50%;transform:translate(-50%,-18px);box-shadow:0 15px 45px #42161529}.authenticity-feedback.visible{opacity:1;transform:translate(-50%)}.authenticity-feedback>span{color:#fff;background:var(--auth-red);border-radius:50%;place-items:center;width:28px;height:28px;font-weight:800;display:grid}.authenticity-feedback strong{letter-spacing:.04em;font-size:12px}.authenticity-feedback.success{color:#315e48;border-color:#315e482e}.authenticity-feedback.success>span{background:#477a61}.authenticity-footer{color:#9e8d8b;letter-spacing:.19em;margin-top:23px;font:700 7px Georgia,serif}.authenticity-footer p{color:#826f6d;letter-spacing:.18em;align-items:center;gap:12px;margin:0;font:500 11px STKaiti,KaiTi,serif;display:flex}.authenticity-footer p i{background:#8b001242;width:28px;height:1px}@keyframes authenticity-enter{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (width<=900px){.authenticity-shell{overflow:auto}.authenticity-intro{grid-template-columns:1fr;gap:13px}.authenticity-eyebrow{margin-top:0}.portrait-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.portrait-window{aspect-ratio:5/4}.authenticity-footer{padding-top:20px}}@media (width<=560px){.authenticity-shell{padding:20px 18px 28px}.authenticity-seal span,.authenticity-lockup small{display:none}.authenticity-stage{margin-top:33px}.authenticity-intro h1{font-size:22px}.portrait-choice-grid{gap:18px 10px}.portrait-caption{grid-template-columns:27px 1fr;gap:7px}.portrait-caption b{width:25px;height:25px}.portrait-caption i{display:none}.motto-question{margin-top:55px}.motto-choice-grid{grid-template-columns:1fr}.motto-choice{min-height:88px;padding:15px 17px}.authenticity-footer>span{display:none}.authenticity-footer{justify-content:center}}@media (prefers-reduced-motion:reduce){.authenticity-question,.portrait-window,.portrait-window img,.motto-choice{transition:none;animation:none}}