:root{--bg-deep: #07071a;--bg-mid: #14123a;--bg-purple: #2a1a4e;--gold: #e8c87a;--gold-soft: #f5e2ad;--rose: #e89bb0;--text-primary: #f1eefb;--text-secondary: #a59fc4;--line-faint: rgba(232, 200, 122, .25);--nav-height: 70px;--transition-smooth: all .6s cubic-bezier(.4, 0, .2, 1);--font-serif: "Noto Serif SC", serif;--font-display: "Playfair Display", "Noto Serif SC", serif;--font-sans: "Lato", sans-serif;--font-hand: "KaiTi", "STKaiti", "楷体", "SimKai", "BiauKai", "Noto Serif SC", serif}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:var(--font-sans),var(--font-serif);background-color:var(--bg-deep);color:var(--text-primary);overflow-x:hidden;display:flex;flex-direction:column;min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh;flex:1}h1,h2,h3{font-family:var(--font-serif);font-weight:700}.sky-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-2;background:radial-gradient(ellipse at 70% 15%,var(--bg-purple) 0%,transparent 55%),radial-gradient(ellipse at 20% 80%,#1d1640 0%,transparent 50%),linear-gradient(160deg,var(--bg-mid) 0%,var(--bg-deep) 70%)}#starfield{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.nebula{position:absolute;top:-20%;right:-20%;bottom:-20%;left:-20%;background:radial-gradient(ellipse 42% 30% at 28% 38%,rgba(124,84,188,.2),transparent 60%),radial-gradient(ellipse 36% 26% at 72% 56%,rgba(72,110,200,.16),transparent 60%),radial-gradient(ellipse 30% 22% at 52% 28%,rgba(206,150,120,.1),transparent 60%);filter:blur(44px);opacity:.9;animation:nebulaDrift 42s ease-in-out infinite alternate}.vignette{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:90;background:radial-gradient(ellipse at center,transparent 52%,rgba(0,0,0,.5) 100%)}#intro-veil{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5000;pointer-events:none;background:radial-gradient(ellipse at center,#0b0a1e,#050410);opacity:1;transition:opacity 1.7s ease .25s}#intro-veil.lifted{opacity:0}.moon-glow{position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(245,226,173,.18) 0%,rgba(232,200,122,.06) 40%,transparent 70%);pointer-events:none}.navbar{height:var(--nav-height);display:flex;justify-content:space-between;align-items:center;padding:0 5%;background:#0a091e8c;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:fixed;width:100%;top:0;z-index:100;border-bottom:1px solid rgba(232,200,122,.12)}.nav-brand{font-family:var(--font-display);font-weight:500;font-size:1.6rem;letter-spacing:2px;color:var(--gold);text-shadow:0 0 18px rgba(232,200,122,.4)}.nav-links{list-style:none;display:flex;gap:30px}.nav-links li{cursor:pointer;font-size:1rem;color:var(--text-secondary);transition:color .3s ease,text-shadow .3s ease;position:relative;padding:5px 0}.nav-links li:hover{color:var(--text-primary)}.nav-links li.active{color:var(--gold-soft);text-shadow:0 0 12px rgba(232,200,122,.5)}.nav-links li.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);animation:slideIn .4s ease forwards}#main-container{flex:1;position:relative;margin-top:var(--nav-height);overflow:hidden}.view{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;visibility:hidden;transform:scale(1.035);transition:opacity .8s ease,transform 1s cubic-bezier(.2,.7,.2,1),visibility 1s;padding:40px 5%;overflow-y:auto}.view.active-view{opacity:1;visibility:visible;transform:scale(1);z-index:10}.content-wrapper{max-width:920px;margin:0 auto;padding-bottom:60px}h2{font-family:var(--font-display);font-weight:500;font-size:2.4rem;margin-bottom:16px;text-align:center;color:var(--gold-soft);letter-spacing:1px;text-shadow:0 0 24px rgba(232,200,122,.35)}.section-intro{text-align:center;margin-bottom:48px;color:var(--text-secondary);font-family:var(--font-serif);letter-spacing:1px}#home{display:flex;align-items:center;justify-content:center;text-align:center;padding:0}.hero-content{padding:20px}.avatar-box{display:flex;justify-content:center;align-items:center;gap:22px;margin-bottom:36px;opacity:0;animation:fadeUp .9s .15s forwards cubic-bezier(.2,.8,.2,1),avatarFloat 5s 1.1s ease-in-out infinite}.avatar{width:104px;height:104px;border-radius:50%;object-fit:cover;border:2px solid rgba(245,226,173,.6);box-shadow:0 0 0 6px #e8c87a14,0 0 30px #e8c87a59;transition:transform .4s ease,box-shadow .4s ease}.avatar:hover{transform:rotate(8deg) scale(1.12);box-shadow:0 0 0 6px #e8c87a26,0 0 45px #e8c87a99;z-index:1}.hero-title{font-family:var(--font-display);font-weight:500;font-size:clamp(2.6rem,8vw,4.6rem);letter-spacing:2px;background:linear-gradient(100deg,var(--gold) 0%,var(--gold) 35%,var(--gold-soft) 45%,#fffaf0 50%,var(--gold-soft) 55%,var(--gold) 65%,var(--gold) 100%);background-size:220% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--gold);margin-bottom:12px;opacity:0;animation:fadeUp .9s .4s forwards cubic-bezier(.2,.8,.2,1),titleShine 5s 1.4s linear infinite}.timer-wrapper{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:42px}.timer-intro{font-family:var(--font-display);font-style:italic;font-size:1.35rem;color:var(--gold-soft);position:relative;letter-spacing:1px}.timer-intro:after{content:"";display:block;width:60px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:10px auto 0}#hero-timer{display:flex;align-items:flex-end;gap:26px}.t-block{display:flex;flex-direction:column;align-items:center}.t-block span{font-family:var(--font-display);font-size:3rem;font-weight:500;color:var(--text-primary);line-height:1;text-shadow:0 0 22px rgba(232,200,122,.45);font-variant-numeric:tabular-nums;min-width:1.4ch}.t-block label{font-family:var(--font-sans);font-size:.58rem;letter-spacing:2px;color:var(--text-secondary);margin-top:10px;text-transform:uppercase}.t-sep{font-size:1.8rem;color:var(--gold);margin-bottom:18px;opacity:.7}.fade-up-1{opacity:0;animation:fadeUp .9s .15s forwards cubic-bezier(.2,.8,.2,1)}.fade-up-2{opacity:0;animation:fadeUp .9s .4s forwards cubic-bezier(.2,.8,.2,1)}.fade-up-3{opacity:0;animation:fadeUp .9s .65s forwards cubic-bezier(.2,.8,.2,1)}.fade-up-4{opacity:0;animation:fadeUp .9s .9s forwards cubic-bezier(.2,.8,.2,1)}.timeline-box{border-left:2px solid var(--line-faint);padding-left:32px;margin-top:40px;max-width:520px;margin-left:auto;margin-right:auto}.tl-item{position:relative;margin-bottom:42px}.tl-item:before{content:"";position:absolute;left:-39px;top:4px;width:11px;height:11px;background:var(--bg-deep);border:2px solid var(--text-secondary);border-radius:50%;transition:all .3s ease}.tl-item.highlight:before{background:var(--gold);border-color:var(--gold);box-shadow:0 0 0 5px #e8c87a2e,0 0 16px #e8c87ab3}.tl-date{font-family:var(--font-serif);font-weight:700;color:var(--gold);display:block;margin-bottom:6px;letter-spacing:1px}.tl-item h3{font-size:1.3rem;color:var(--text-primary)}.photo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.photo-frame{aspect-ratio:1 / 1;overflow:hidden;border-radius:12px;border:1px solid rgba(232,200,122,.18);box-shadow:0 6px 22px #00000073;cursor:pointer;transition:transform .4s ease,box-shadow .4s ease,border-color .4s ease}.photo-frame:hover{transform:translateY(-4px);border-color:#e8c87a80;box-shadow:0 12px 32px #0000008c,0 0 24px #e8c87a33}.photo-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}.photo-frame:hover img{transform:scale(1.06)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:4000;display:flex;align-items:center;justify-content:center;background:#050410d1;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s ease}.lightbox.open{opacity:1;visibility:visible}.lb-image{max-width:90vw;max-height:82vh;border-radius:10px;border:1px solid rgba(232,200,122,.35);box-shadow:0 20px 60px -10px #000c,0 0 40px #e8c87a1f;transform:scale(.94);transition:transform .4s cubic-bezier(.2,.8,.2,1)}.lightbox.open .lb-image{transform:scale(1)}.lb-close,.lb-nav{position:fixed;background:#1412308c;border:1px solid rgba(232,200,122,.25);color:var(--gold-soft);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .3s ease,border-color .3s ease,transform .3s ease;-webkit-tap-highlight-color:transparent}.lb-close:hover,.lb-nav:hover{background:#e8c87a2e;border-color:var(--gold);transform:scale(1.08)}.lb-close{top:22px;right:22px;width:44px;height:44px;font-size:1.8rem;line-height:1}.lb-nav{top:50%;transform:translateY(-50%);width:50px;height:50px;font-size:2rem;line-height:1}.lb-nav:hover{transform:translateY(-50%) scale(1.08)}.lb-prev{left:22px}.lb-next{right:22px}.lb-counter{position:fixed;bottom:26px;left:50%;transform:translate(-50%);font-family:var(--font-display);font-size:.95rem;letter-spacing:2px;color:var(--text-secondary)}#letter{display:flex;flex-direction:column;min-height:100%;padding:0}#letter .content-wrapper{margin:auto;width:100%;max-width:640px;padding:40px 20px}.letter-paper{--line-spacing: 44px;--line-color: rgba(232, 200, 122, .12);position:relative;min-height:400px;background-color:#1412308c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);background-image:repeating-linear-gradient(to bottom,var(--line-color),var(--line-color) 1px,transparent 1px,transparent var(--line-spacing));background-position:0 80px;padding:80px 40px 48px;border-radius:10px;border:1px solid rgba(232,200,122,.22);box-shadow:0 16px 50px -12px #000000b3,inset 0 0 60px #e8c87a0a;font-family:var(--font-hand);font-size:1.6rem;color:var(--text-primary);line-height:var(--line-spacing);letter-spacing:1px}.letter-paper p{margin-bottom:var(--line-spacing)}.letter-paper .salutation{font-size:2.2rem;color:var(--gold-soft);text-shadow:0 0 18px rgba(232,200,122,.45);margin-bottom:calc(var(--line-spacing) * .7)}.letter-paper .signature{text-align:right;color:var(--rose);margin-top:calc(var(--line-spacing) * 1.5);margin-bottom:0;text-shadow:0 0 16px rgba(232,155,176,.4)}.effect-blur{opacity:.4;filter:blur(1.2px);display:inline-block;transform:scale(.95)}.effect-sweet{font-weight:900;font-size:1.2em;color:#ff8fa8;text-shadow:0 0 14px rgba(255,143,168,.6);margin:0 3px}.cat-companions{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;pointer-events:none}.cat-companion{--cat-width: clamp(86px, 11vw, 138px);--cat-height: clamp(112px, 17vh, 158px);position:fixed;bottom:clamp(16px,3.8vh,40px);width:var(--cat-width);height:var(--cat-height);padding:0;border:0;background:transparent;cursor:grab;pointer-events:auto;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;transform-origin:center bottom;will-change:transform;filter:drop-shadow(0 12px 18px rgba(0,0,0,.34));transition:transform .24s ease,filter .24s ease,opacity .24s ease}.cat-companion--diandian{--cat-width: clamp(100px, 12vw, 158px);--cat-height: clamp(120px, 18vh, 168px);left:clamp(18px,5vw,76px)}.cat-companion--ami{--cat-width: clamp(84px, 10vw, 132px);--cat-height: clamp(110px, 16vh, 150px);right:clamp(92px,8vw,140px)}.cat-companions--gallery .cat-companion{opacity:.84}.cat-companions--gallery .cat-companion--diandian{--cat-width: clamp(58px, 8vw, 96px);--cat-height: clamp(78px, 12vh, 116px);left:clamp(6px,2.2vw,26px)}.cat-companions--gallery .cat-companion--ami{--cat-width: clamp(52px, 7vw, 88px);--cat-height: clamp(72px, 11vh, 106px);right:clamp(76px,7vw,116px)}.cat-companion picture,.cat-companion img{display:block;width:100%;height:100%}.cat-companion img{object-fit:contain;object-position:center bottom;pointer-events:none;transform-origin:center bottom}.cat-companion:hover{filter:drop-shadow(0 14px 22px rgba(0,0,0,.38)) drop-shadow(0 0 12px rgba(232,200,122,.16))}.cat-companion.is-dragging{cursor:grabbing;transition:none}.cat-companion.is-reacting:not(.is-reduced) img{animation:catCompanionReact .9s cubic-bezier(.2,.8,.2,1)}.cat-companion.is-reduced{transition:none}.cat-companion.is-reduced img{animation:none}@keyframes catCompanionReact{0%,to{transform:translateY(0) rotate(0)}36%{transform:translateY(-5px) rotate(-1.6deg)}68%{transform:translateY(1px) rotate(1deg)}}@media (max-width: 680px){.cat-companion{bottom:10px;filter:drop-shadow(0 8px 12px rgba(0,0,0,.32))}.cat-companion--diandian{--cat-width: 78px;--cat-height: 104px;left:8px}.cat-companion--ami{--cat-width: 70px;--cat-height: 96px;right:76px}.cat-companions--gallery .cat-companion{bottom:5px;opacity:.78}.cat-companions--gallery .cat-companion--diandian{--cat-width: 46px;--cat-height: 62px;left:2px}.cat-companions--gallery .cat-companion--ami{--cat-width: 42px;--cat-height: 58px;right:82px}}@media (max-height: 560px){.cat-companion{opacity:.92}.cat-companion--diandian{--cat-width: 72px;--cat-height: 96px}.cat-companion--ami{--cat-width: 64px;--cat-height: 88px}}@media (prefers-reduced-motion: reduce){.cat-companion,.cat-companion img{animation:none;transition:none}}.music-btn{position:fixed;bottom:28px;right:28px;width:52px;height:52px;background:#181818;background-image:repeating-radial-gradient(#181818 0,#181818 2px,#282828,#181818 4px);border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:grab;z-index:1000;box-shadow:0 6px 18px #0009;border:1px solid rgba(232,200,122,.25);transition:transform .3s,box-shadow .3s;-webkit-tap-highlight-color:transparent;touch-action:none;user-select:none;-webkit-user-select:none}.music-btn img{pointer-events:none}.music-btn.dragging{cursor:grabbing;box-shadow:0 12px 24px #0009;transform:scale(1.1);transition:none}.music-btn:hover{transform:scale(1.1);box-shadow:0 8px 26px #0009,0 0 18px #e8c87a4d}.music-btn .album-art{width:65%;height:65%;border-radius:50%;object-fit:cover;border:2px solid #000}.music-btn.playing{animation:diskRotate 4s linear infinite;box-shadow:0 0 20px #e8c87a8c;border-color:var(--gold)}@keyframes slideIn{0%{width:0}to{width:100%}}@keyframes fadeUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes diskRotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes nebulaDrift{0%{transform:translate3d(-2%,-1%,0) scale(1.05)}to{transform:translate3d(2%,2.5%,0) scale(1.16)}}@keyframes titleShine{0%{background-position:200% center}to{background-position:-200% center}}@keyframes avatarFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.link-beam{position:fixed;height:2px;transform-origin:left center;background:linear-gradient(90deg,transparent,var(--gold-soft) 20%,#fff 50%,var(--gold-soft) 80%,transparent);box-shadow:0 0 12px #e8c87ae6;border-radius:2px;pointer-events:none;z-index:60;will-change:transform,opacity;animation:beamDraw 1s ease-out forwards}@keyframes beamDraw{0%{opacity:0;transform:rotate(var(--angle, 0deg)) scaleX(0)}30%{opacity:1;transform:rotate(var(--angle, 0deg)) scaleX(1)}70%{opacity:1;transform:rotate(var(--angle, 0deg)) scaleX(1)}to{opacity:0;transform:rotate(var(--angle, 0deg)) scaleX(1)}}.avatar.glow-pulse{animation:avatarGlow .75s ease-out}@keyframes avatarGlow{0%,to{box-shadow:0 0 0 6px #e8c87a14,0 0 30px #e8c87a59}45%{box-shadow:0 0 0 9px #e8c87a47,0 0 60px #e8c87ae6}}@keyframes viewRise{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}.view.active-view h2,.view.active-view .section-intro{opacity:0;animation:viewRise .6s forwards ease}.view.active-view .section-intro{animation-delay:.12s}#timeline.active-view .tl-item{opacity:0;animation:viewRise .6s forwards ease}#timeline.active-view .tl-item:nth-child(1){animation-delay:.2s}#timeline.active-view .tl-item:nth-child(2){animation-delay:.32s}#timeline.active-view .tl-item:nth-child(3){animation-delay:.44s}#timeline.active-view .tl-item:nth-child(4){animation-delay:.56s}#timeline.active-view .tl-item:nth-child(n+5){animation-delay:.68s}#gallery.active-view .photo-frame{opacity:0;animation:viewRise .6s forwards ease}#gallery.active-view .photo-frame:nth-child(1){animation-delay:.14s}#gallery.active-view .photo-frame:nth-child(2){animation-delay:.2s}#gallery.active-view .photo-frame:nth-child(3){animation-delay:.26s}#gallery.active-view .photo-frame:nth-child(4){animation-delay:.32s}#gallery.active-view .photo-frame:nth-child(5){animation-delay:.38s}#gallery.active-view .photo-frame:nth-child(6){animation-delay:.44s}#gallery.active-view .photo-frame:nth-child(7){animation-delay:.5s}#gallery.active-view .photo-frame:nth-child(n+8){animation-delay:.56s}#letter.active-view .letter-paper{opacity:0;animation:viewRise .7s .12s forwards ease}@media screen and (max-width: 768px){.navbar{padding:0 20px}.nav-brand{font-size:1.3rem}.nav-links{gap:16px}.nav-links li{font-size:.9rem}.avatar{width:84px;height:84px}.avatar-box{gap:16px}.hero-sub{font-size:.95rem;letter-spacing:2px}.timer-intro{font-size:1.1rem}#hero-timer{gap:14px}.t-block span{font-size:2.1rem}.t-sep{font-size:1.4rem;margin-bottom:10px}.t-block label{font-size:.5rem}h2{font-size:1.9rem}.moon-glow{width:280px;height:280px;top:-90px;right:-60px}.letter-paper{--line-spacing: 38px;padding:70px 26px 34px;font-size:1.35rem}.letter-paper .salutation{font-size:1.9rem}.music-btn{bottom:84px;right:20px;width:46px;height:46px}.lb-nav{width:42px;height:42px;font-size:1.6rem}.lb-prev{left:10px}.lb-next{right:10px}.lb-close{top:16px;right:16px;width:40px;height:40px}.lb-image{max-width:94vw;max-height:76vh}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.fade-up-1,.fade-up-2,.fade-up-3,.fade-up-4,.avatar-box,.hero-title,.view.active-view h2,.view.active-view .section-intro,#timeline.active-view .tl-item,#gallery.active-view .photo-frame,#letter.active-view .letter-paper{opacity:1}.nebula{animation:none}#intro-veil{display:none}}