/* 第二稿首页视觉，仅作用于融合首页；第三稿的内容样式保留。 */
:root{--shiyu-black:#050505;--shiyu-gold:#d5b36a}
html{scroll-padding-top:95px}body{overflow-x:hidden}.shiyu-intro{overflow:hidden}.shiyu-intro .page,.shiyu-intro footer,.shiyu-intro #toTop{visibility:hidden}
.nav{position:fixed;top:0;left:0;right:0;background:rgba(5,5,5,.82);backdrop-filter:blur(18px);border-color:#ffffff16;color:#eee;transition:opacity 1.4s ease,transform .4s,background .3s}
.nav-inner{max-width:1240px;height:94px;padding-inline:35px;gap:20px}.shiyu-brand{background:none;border:0;color:#f4eee0;font-family:STSong,SimSun,serif;font-size:25px;font-weight:600;letter-spacing:2px;cursor:pointer}.shiyu-brand:focus-visible{outline:2px solid #d5b36a;outline-offset:7px}.nav-links{gap:12px}.nav-links button{padding:10px 12px;border-radius:0;white-space:nowrap;letter-spacing:1px;text-indent:0;color:#b1b1b1;font-weight:400}.nav-links button:hover{background:transparent;color:#fff}.nav-links button.active{color:#eee6ce}.nav-links button.active:after{left:13px;right:13px;bottom:0;background:#d5b36a;height:1px}.shiyu-nav-actions{display:flex;gap:20px;align-items:center;white-space:nowrap}.shiyu-nav-actions button{font-family:inherit;background:none;color:#b0b0b0;border:0;font-size:13px;cursor:pointer}.shiyu-nav-actions #navExplore{border:1px solid #ffffff40;border-radius:8px;background:#ffffff14;color:#eee;padding:10px 22px}.nav:focus-within{transform:none!important}.shiyu-intro .nav{opacity:0;pointer-events:none}
body:not([data-shiyu-view="home"]){padding-top:94px}body:not([data-shiyu-view="home"]) .nav{background:#111410f5}body:not([data-shiyu-view="home"]) .shiyu-hero{display:none}
.shiyu-hero{width:100%;height:100svh;min-height:740px;max-height:1300px;position:relative;overflow:hidden;background:var(--shiyu-black);color:#fff;isolation:isolate}
.shiyu-particles{position:absolute;inset:0;background:#020202;filter:blur(0);opacity:1;transform:scale(1);transition:filter 2.4s ease,opacity 2.4s ease,transform 3s ease;z-index:0}
.shiyu-particles canvas{width:100%;height:100%;display:block}.shiyu-ready .shiyu-particles{filter:blur(25px);opacity:.57;transform:scale(1.12)}
.shiyu-mist{position:absolute;width:900px;height:900px;left:50%;top:50%;transform:translate(-50%,-50%);filter:blur(75px);opacity:0;animation:shiyu-spin 35s linear infinite;transition:opacity 3s ease;pointer-events:none;z-index:1}.shiyu-ready .shiyu-mist{opacity:.24}.shiyu-mist i{position:absolute;width:260px;height:260px;border-radius:50%;mix-blend-mode:screen}.shiyu-mist .jin{background:#e6d9ae;left:320px;top:0}.shiyu-mist .mu{background:#23884d;right:0;top:320px}.shiyu-mist .shui{background:#176dcc;left:320px;bottom:0}.shiyu-mist .huo{background:#d84432;left:0;top:320px}.shiyu-mist .tu{background:#b07d39;left:320px;top:320px}
@keyframes shiyu-spin{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.shiyu-shade{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;background:radial-gradient(circle,transparent 0%,#00000073 45%,#050505 90%);transition:opacity 2.4s ease}.shiyu-ready .shiyu-shade{opacity:1}
.shiyu-opening{position:absolute;inset:0;z-index:4;pointer-events:none;transition:opacity 1.5s ease,filter 1.5s ease,transform 2s ease}.shiyu-opening-title{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:STSong,SimSun,serif;font-size:80px;letter-spacing:25px;color:#e8d29a;white-space:nowrap;opacity:0;text-shadow:0 0 30px #d8b45bcc,0 0 80px #d8b45b4d;animation:shiyu-title 2s forwards 3s}.shiyu-opening-subtitle{position:absolute;top:61%;width:100%;text-align:center;font-size:14px;letter-spacing:12px;color:#b7ad99;opacity:0;animation:shiyu-title 2s forwards 4s}@keyframes shiyu-title{to{opacity:1}}.shiyu-ready .shiyu-opening{opacity:0;filter:blur(15px);transform:scale(1.05)}
.shiyu-skip{position:absolute;right:35px;bottom:32px;z-index:9;background:#0006;border:1px solid #b7ad994d;border-radius:20px;padding:8px 18px;color:#c5b99c;font:12px inherit;cursor:pointer}.shiyu-skip:focus-visible{outline:2px solid #e8d29a;outline-offset:5px}
.shiyu-content{position:relative;z-index:5;min-height:100%;padding:130px 25px 90px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;opacity:0;transform:translateY(22px);filter:blur(9px);transition:opacity 1.9s ease .25s,transform 1.9s ease .25s,filter 1.9s ease .25s;pointer-events:none}
.shiyu-ready .shiyu-content{opacity:1;transform:none;filter:blur(0);pointer-events:auto}.shiyu-tag{padding:9px 22px;border-radius:30px;border:1px solid #ffffff40;background:#ffffff14;backdrop-filter:blur(15px);color:#ddd;font-size:13px;letter-spacing:1px}
.shiyu-content h1{margin:32px 0 18px;font-size:clamp(45px,5.56vw,80px);line-height:1.22;letter-spacing:4px;font-weight:600;background:linear-gradient(90deg,#fff,#d5b36a,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}
.shiyu-content p{max-width:620px;color:#bcbab3;font-size:18px;line-height:1.9;margin:0}.shiyu-content .buttons{display:flex;gap:18px;margin-top:35px}.shiyu-content button{padding:16px 38px;border-radius:10px;font-family:inherit;font-size:16px;cursor:pointer;transition:transform .3s,background .3s}.shiyu-primary{background:#fff;color:#111;border:1px solid #fff}.shiyu-secondary{background:#ffffff1a;color:#fff;border:1px solid #ffffff4d;backdrop-filter:blur(15px)}.shiyu-content button:hover{transform:translateY(-4px)}
.shiyu-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:5;color:#a7a092;text-decoration:none;font-size:11px;letter-spacing:3px;text-align:center;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity 1.8s ease .6s}.shiyu-scroll span{display:block;margin-top:9px;font-size:18px;line-height:1}.shiyu-ready .shiyu-scroll{opacity:.85;pointer-events:auto}
.shiyu-hero button:focus-visible,.shiyu-scroll:focus-visible{outline:2px solid #e2c57b;outline-offset:5px}.home-content-heading{padding:68px 0 35px}.home-content-heading h1{font-size:34px}.home-content-heading .hero-eyebrow{margin-bottom:18px}.home-content-heading .hero-sub{margin-bottom:18px}.home-content-heading .hero-rule{margin-bottom:22px}.page{scroll-margin-top:0}
.shiyu-about{position:fixed;inset:0;margin:auto;background:#f4f0e5;border:1px solid #b49b67;border-radius:15px;max-width:580px;width:calc(100% - 36px);max-height:85svh;padding:48px 40px 38px;color:#30392e;box-shadow:0 30px 100px #0007}.shiyu-about::backdrop{background:#000a;backdrop-filter:blur(6px)}.shiyu-about h2{font:34px STSong,SimSun,serif;letter-spacing:3px;margin-bottom:22px}.shiyu-about p{font-size:14px;line-height:1.9;margin-bottom:18px}.shiyu-close{position:absolute;right:16px;top:9px;border:0;background:none;font-size:28px;cursor:pointer;color:#7c745e}#replayOpening{background:#252f26;color:#eee1bf;border:1px solid #a8966f;padding:11px 22px;border-radius:5px;cursor:pointer}.shiyu-instant *{transition:none!important;animation-delay:0s!important}.shiyu-particles.context-lost{background:radial-gradient(ellipse at 25% 45%,#59472c66,transparent 35%),radial-gradient(ellipse at 70% 60%,#28633477,transparent 35%),radial-gradient(ellipse at 50% 70%,#17549555,transparent 30%),#050505}.shiyu-particles.context-lost canvas{display:none}
@media(max-width:1000px){.nav-inner{padding-inline:24px;gap:15px}.nav-links{gap:0}.nav-links button{font-size:13px;padding:10px}.shiyu-brand{font-size:22px}.shiyu-nav-actions{gap:12px}.shiyu-nav-actions #navExplore{padding:9px 16px}.shiyu-nav-actions #aboutProject{font-size:12px}.shiyu-content h1{font-size:62px}.shiyu-content p{font-size:16px}}
@media(max-width:760px){.nav-inner{height:116px;display:grid;grid-template-columns:1fr auto;gap:4px 15px;padding:15px 22px 9px}.shiyu-brand{justify-self:start;font-size:23px}.nav-links{grid-row:2;grid-column:1/-1;justify-content:center;gap:10px}.nav-links button{padding:6px 10px;font-size:12px;min-height:32px}.shiyu-nav-actions{grid-row:1;grid-column:2;gap:15px}.shiyu-nav-actions #aboutProject{font-size:11px}.shiyu-nav-actions #navExplore{font-size:11px;padding:8px 13px}.shiyu-hero{min-height:740px}.shiyu-content{padding-top:150px;padding-bottom:100px}.shiyu-content h1{font-size:clamp(33px,7.5vw,55px);line-height:1.4;letter-spacing:2px;margin:27px 0 20px}.shiyu-content p{max-width:90%;font-size:14px;line-height:1.9}.shiyu-tag{font-size:11px;padding:8px 15px}.shiyu-content .buttons{gap:12px;margin-top:29px}.shiyu-content button{padding:13px 22px;font-size:13px;border-radius:8px}.shiyu-opening-title{font-size:clamp(33px,8vw,58px);letter-spacing:10px}.shiyu-opening-subtitle{font-size:10px;letter-spacing:5px;padding:0 20px;line-height:2}.shiyu-mist{width:700px;height:700px;filter:blur(65px);scale:.8}.shiyu-ready .shiyu-particles{filter:blur(18px)}.shiyu-skip{right:22px;bottom:26px}.shiyu-about{padding:45px 25px 25px}.home-content-heading h1{font-size:28px}body:not([data-shiyu-view="home"]){padding-top:116px}html{scroll-padding-top:130px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.shiyu-mist{animation:none}.shiyu-content,.shiyu-particles,.shiyu-opening,.shiyu-scroll,.nav{transition:none!important}.shiyu-opening-title,.shiyu-opening-subtitle{animation:none;opacity:1}.view.active{animation:none}.shiyu-content button:hover{transform:none}}

.shiyu-content p{max-width:670px;text-wrap:balance}.shiyu-intro .shiyu-opening-title{animation:shiyu-title 2s forwards 3s}.shiyu-intro .shiyu-opening-subtitle{animation:shiyu-title 2s forwards 4s}