@font-face{font-family:'CustomFont';src:url('../fonts/custom-font.woff2') format('woff2'),url('../fonts/custom-font.woff') format('woff');font-weight:normal;font-style:normal;font-display:swap}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#F8F4E3;--primary-dark:#E8E4D3;--primary-light:#FFFDF5;--accent-color:#A78A7F;--text-color:#5D534A;--light-text:#ffffff;--shadow-color:rgba(0,0,0,0.1);--transition-speed:0.4s;--blur-strength:10px;--border-radius:12px;--mobile-blur-strength:5px;--mobile-border-radius:8px}body{font-family:'CustomFont',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Open Sans','Helvetica Neue',sans-serif;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-color) 50%,var(--primary-light) 100%);color:var(--text-color);min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:20px;line-height:1.6;overflow-x:hidden}.container{width:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:column;align-items:center;position:relative;z-index:1}.bg-blur{position:fixed;top:0;left:0;right:0;bottom:0;background:inherit;z-index:-1;filter:blur(var(--blur-strength));opacity:0.7;pointer-events:none;will-change:filter}.header{width:100%;display:flex;flex-direction:column;align-items:flex-start;margin-bottom:30px;transition:transform var(--transition-speed) ease;will-change:transform}.header:hover{transform:translateY(-5px)}.logo-title{display:flex;align-items:center;margin-bottom:15px;background:rgba(255,255,255,0.2);padding:15px;border-radius:var(--border-radius);backdrop-filter:blur(5px);box-shadow:0 8px 32px 0 var(--shadow-color);transition:all var(--transition-speed) ease}.logo-title:hover{background:rgba(255,255,255,0.25);box-shadow:0 10px 40px 0 var(--shadow-color)}.logo{width:48px;height:48px;margin-right:20px;filter:drop-shadow(0 2px 5px var(--shadow-color));transition:transform var(--transition-speed) ease}.logo:hover{transform:rotate(15deg)}.title-container{display:flex;flex-direction:column}.title{font-size:28px;font-weight:bold;margin-bottom:5px;color:var(--text-color);text-shadow:0 2px 4px rgba(255,255,255,0.3)}.subtitle{font-size:16px;opacity:0.9}.nav-links{width:100%;display:flex;justify-content:center;gap:20px;margin-bottom:40px;flex-wrap:wrap}.nav-link{display:flex;align-items:center;background-color:rgba(255,255,255,0.2);padding:12px 20px;border-radius:var(--border-radius);text-decoration:none;color:var(--text-color);transition:all var(--transition-speed) ease;backdrop-filter:blur(5px);box-shadow:0 4px 15px 0 var(--shadow-color);will-change:transform,box-shadow}.nav-link:hover{background-color:rgba(255,255,255,0.3);transform:translateY(-5px) scale(1.05);box-shadow:0 8px 25px 0 var(--shadow-color)}.nav-link-icon{display:none}.main-content{width:100%;display:flex;flex-direction:column;align-items:center;margin-bottom:40px}.image-container{position:relative;width:100%;max-width:700px;margin-bottom:30px;overflow:hidden;border-radius:var(--border-radius);box-shadow:0 15px 50px 0 var(--shadow-color);transition:all var(--transition-speed) ease;cursor:pointer;will-change:transform,box-shadow}.image-container:hover{transform:translateY(-10px);box-shadow:0 25px 60px 0 var(--shadow-color)}.random-image{width:100%;height:auto;border:5px solid rgba(255,255,255,0.9);border-radius:var(--border-radius);display:block;transition:transform var(--transition-speed) ease;object-fit:cover;will-change:transform}.image-container:hover .random-image{transform:scale(1.02)}.loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border:6px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:var(--primary-dark);animation:spin 1s linear infinite;z-index:10}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}.image-overlay{position:absolute;bottom:0;left:0;width:100%;padding:20px;background:linear-gradient(to top,rgba(0,0,0,0.5),transparent);color:var(--light-text);opacity:0;transition:opacity var(--transition-speed) ease;border-bottom-left-radius:var(--border-radius);border-bottom-right-radius:var(--border-radius)}.image-container:hover .image-overlay{opacity:1}.image-title{font-size:18px;font-weight:bold;margin-bottom:5px}.image-info{font-size:14px;opacity:0.8}.refresh-button{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:var(--text-color);border:none;padding:15px 35px;font-size:18px;border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 8px 15px var(--shadow-color);position:relative;overflow:hidden;z-index:1;will-change:transform,box-shadow}.refresh-button::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4),transparent);transition:all 0.6s ease;z-index:-1}.refresh-button:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 15px 25px var(--shadow-color)}.refresh-button:hover::before{left:100%}.refresh-button:active{transform:translateY(0) scale(0.98);box-shadow:0 5px 10px var(--shadow-color)}.refresh-button.clicked{animation:buttonClick 0.3s ease}@keyframes buttonClick{0%{transform:scale(1)}50%{transform:scale(0.95)}100%{transform:scale(1)}}.shortcut-hint{background-color:rgba(255,255,255,0.2);padding:10px 20px;border-radius:var(--border-radius);font-size:14px;margin-top:20px;backdrop-filter:blur(5px);box-shadow:0 4px 10px 0 var(--shadow-color);transition:all var(--transition-speed) ease;color:var(--text-color)}.shortcut-hint:hover{background-color:rgba(255,255,255,0.3);transform:translateY(-3px);box-shadow:0 6px 15px 0 var(--shadow-color)}.footer{width:100%;margin-top:auto;padding-top:30px;display:flex;justify-content:space-between;align-items:center;font-size:14px;flex-wrap:wrap;gap:15px}.beian{display:flex;gap:20px;flex-wrap:wrap}.beian-link{display:flex;align-items:center;color:var(--text-color);text-decoration:none;opacity:0.7;transition:all var(--transition-speed) ease;background-color:rgba(255,255,255,0.2);padding:8px 15px;border-radius:var(--border-radius);backdrop-filter:blur(5px)}.beian-link:hover{opacity:1;background-color:rgba(255,255,255,0.3);transform:translateY(-3px)}.beian-link:first-child .beian-icon{display:none}.beian-icon{width:16px;height:16px;margin-right:8px}.copyright{opacity:0.7;transition:opacity var(--transition-speed) ease;background-color:rgba(255,255,255,0.2);padding:8px 15px;border-radius:var(--border-radius);backdrop-filter:blur(5px);color:var(--text-color)}.copyright:hover{opacity:1}.error-message{background-color:rgba(231,76,60,0.8);color:white;padding:15px 25px;border-radius:var(--border-radius);margin-bottom:25px;text-align:center;width:100%;max-width:700px;backdrop-filter:blur(5px);box-shadow:0 8px 15px 0 var(--shadow-color);animation:shake 0.5s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}.image-placeholder{width:100%;height:400px;background-color:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;border:5px solid rgba(255,255,255,0.9);border-radius:var(--border-radius);backdrop-filter:blur(5px);color:var(--text-color)}.fade-in{animation:fadeIn 0.6s ease-in}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-out{animation:fadeOut 0.6s ease-out}@keyframes fadeOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(20px)}}.network-status{position:fixed;top:20px;right:20px;padding:10px 20px;border-radius:var(--border-radius);color:white;font-size:14px;z-index:1000;transform:translateX(150%);transition:transform 0.3s ease;box-shadow:0 5px 15px rgba(0,0,0,0.3)}.network-status.success{background-color:rgba(46,204,113,0.9)}.network-status.error{background-color:rgba(231,76,60,0.9)}.network-status.show{transform:translateX(0)}.preload-container{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}@media (max-width:768px){:root{--blur-strength:var(--mobile-blur-strength);--border-radius:var(--mobile-border-radius)}body{padding:15px}.logo-title{padding:10px}.logo{width:36px;height:36px;margin-right:12px}.title{font-size:22px}.subtitle{font-size:14px}.nav-links{gap:15px;margin-bottom:25px;flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:5px}.nav-links::-webkit-scrollbar{height:4px}.nav-links::-webkit-scrollbar-thumb{background-color:rgba(255,255,255,0.3);border-radius:4px}.nav-link{padding:8px 15px;font-size:14px;flex-shrink:0;min-width:auto;white-space:nowrap}.image-container{margin-bottom:20px}.refresh-button{padding:12px 25px;font-size:16px}.footer{flex-direction:column;gap:15px;text-align:center}.beian{justify-content:center}}@media (max-width:480px){.header{align-items:center}.logo-title{flex-direction:column;text-align:center;align-items:center;width:100%}.logo{margin-right:0;margin-bottom:10px}.title-container{align-items:center}.nav-links{overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start;width:100%}.nav-link{flex-shrink:0;min-width:auto;white-space:nowrap}.beian{flex-direction:column;align-items:center;gap:10px}}@media print{.refresh-button,.shortcut-hint,.nav-links{display:none}body{background:white;color:black}.image-container{box-shadow:none}.random-image{border-color:#ddd}}