:root{color-scheme:dark;--accent:#d4af5a;--accent-light:#f0d488;--accent-deep:#a8863a;--accent-dim:rgba(212,175,90,0.10);--cinnabar:#b8433a;--cinnabar-light:#d4665c;--bg:#0c0e13;--surface:#15171e;--glass:rgba(19,20,26,0.82);--glass-border:rgba(212,175,90,0.16);--text:#f5f1e8;--text-secondary:#a8a294;--text-dim:rgba(245,241,232,0.22);--border:rgba(255,255,255,0.09);--border-gold:rgba(212,175,90,0.22);--serif:'Songti SC','STSong','Noto Serif SC','SimSun','Source Han Serif SC',Georgia,'Times New Roman',serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%;scrollbar-gutter:stable}html.paused .petals,html.paused .ming-decoration,html.paused .header h1,html.paused .header h1 svg,html.paused .header .sub-icon{animation-play-state:paused !important}::selection{background:rgba(212,175,90,0.28);color:var(--text)}:focus-visible{outline:2px solid 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78%);z-index:-1}.petals{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0;opacity:0.85;contain:strict}.petal{position:absolute;top:-6vh;border-radius:100% 0 100% 0;opacity:0;animation:petal-fall linear infinite;will-change:transform,opacity;contain:layout style;transform:translateZ(0)}@keyframes petal-fall{0%{transform:translate3d(0,0,0) rotate(0deg);opacity:0}8%{opacity:var(--peak,.7)}85%{opacity:var(--peak,.7)}100%{transform:translate3d(var(--sway,60px),112vh,0) rotate(var(--spin,320deg));opacity:0}}.petal:nth-child(3n){border-radius:50% 0 50% 50%;transform-origin:30% 70%}.petal:nth-child(3n+1){border-radius:100% 100% 0 100%;transform-origin:70% 30%}body::after{content:'';position:fixed;top:50%;left:50%;width:90vw;height:90vh;background:radial-gradient(circle,rgba(212,175,90,0.05) 0%,transparent 60%);transform:translate(-50%,-50%);z-index:-1;pointer-events:none}.container{background:var(--glass);backdrop-filter:blur(12px) saturate(1.15);-webkit-backdrop-filter:blur(12px) saturate(1.15);border-radius:18px;background-image:repeating-linear-gradient(135deg,transparent,transparent 13px,rgba(212,175,90,0.016) 13px,rgba(212,175,90,0.016) 14px);box-shadow:0 40px 100px rgba(0,0,0,0.7),0 0 0 1px rgba(212,175,90,0.10),inset 0 1px 0 rgba(255,255,255,0.05);width:100%;max-width:1000px;overflow:hidden;border:1px solid var(--glass-border);position:relative;z-index:1;contain:layout style paint;animation:fade-up 0.7s cubic-bezier(0.16,1,0.3,1)}.container::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent 0%,rgba(212,175,90,0.18) 18%,var(--accent-light) 50%,rgba(212,175,90,0.18) 82%,transparent 100%);box-shadow:0 0 22px rgba(212,175,90,0.45);z-index:10}.container::after{content:'';position:absolute;inset:7px;border-radius:12px;border:1px solid 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0%,transparent 70%);pointer-events:none}.header h1{position:relative;z-index:1;font-size:3.6em;margin-bottom:16px;font-weight:700;font-family:var(--serif);color:var(--accent);letter-spacing:12px;text-shadow:0 0 30px rgba(212,175,90,0.22);background:linear-gradient(100deg,var(--accent-deep) 0%,var(--accent-light) 45%,var(--accent) 70%,var(--accent-deep) 100%);background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gold-shimmer 6s ease-in-out infinite}.header p{color:var(--text-secondary);font-family:var(--serif);font-size:1.1em;letter-spacing:14px;font-weight:400;margin-top:6px;opacity:0.85}.header .sub-icon{display:inline-block;animation:float 4s ease-in-out infinite}.header .ornament{position:relative;width:240px;max-width:62%;height:1px;margin:24px auto 0;background:linear-gradient(90deg,transparent,var(--accent) 50%,transparent);opacity:0.75}.header 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rgba(212,175,90,0.28)}.theme-toggle:active{transform:scale(0.9)}.theme-toggle.spin{animation:spin 0.4s ease}.theme-toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);color:var(--text);padding:10px 24px;border-radius:8px;font-size:0.9em;font-weight:400;z-index:1000;box-shadow:0 8px 30px rgba(0,0,0,0.3);animation:toast-in 0.3s ease;pointer-events:none}.theme-toast.success{border-color:rgba(76,175,80,0.5);color:#8fd694;box-shadow:0 8px 30px rgba(0,0,0,0.3),0 0 18px rgba(76,175,80,0.18)}.theme-toast.error{border-color:rgba(184,67,58,0.5);color:#e8a39d}.skip-link{position:absolute;left:16px;top:-48px;z-index:20;padding:8px 14px;border-radius:8px;background:var(--accent);color:#1c1508;font-weight:700;text-decoration:none;letter-spacing:1px}.skip-link:focus{top:16px}.search-section{padding:0 60px 35px}.search-form{display:flex;gap:0;max-width:580px;margin:0 auto;border:1px solid var(--border);border-radius:12px;transition:all 0.3s ease;position:relative;overflow:hidden;background:rgba(255,255,255,0.02);box-shadow:inset 0 1px 0 rgba(255,255,255,0.04),0 6px 20px rgba(0,0,0,0.25)}.search-form:focus-within{border-color:var(--accent);box-shadow:inset 0 1px 0 rgba(255,255,255,0.05),0 0 0 1px rgba(212,175,90,0.45),0 10px 34px rgba(212,175,90,0.14);background:rgba(255,255,255,0.035)}.search-input{flex:1;padding:16px 24px;border:none;font-size:1em;outline:none;background:transparent;color:var(--text);font-family:'Courier New','Consolas',monospace;letter-spacing:0.5px}.search-input::placeholder{color:var(--text-dim);letter-spacing:1px;font-family:-apple-system,'PingFang SC',sans-serif}.search-btn{background:linear-gradient(135deg,var(--accent-deep) 0%,var(--accent) 46%,var(--accent-light) 100%);color:#1c1508;border:none;padding:0 32px;cursor:pointer;font-weight:700;font-family:var(--sans);font-size:0.95em;transition:all 0.3s;letter-spacing:2px;display:inline-flex;align-items:center;gap:8px;touch-action:manipulation;box-shadow:inset 0 1px 0 rgba(255,255,255,0.35)}.search-btn:hover{filter:brightness(1.07);box-shadow:inset 0 1px 0 rgba(255,255,255,0.4),0 0 26px rgba(212,175,90,0.30)}.search-btn:active{transform:scale(0.97)}.search-btn.loading{pointer-events:none;opacity:0.75}.search-btn.loading svg{animation:spin 0.8s linear infinite}.search-hint{max-width:580px;margin:10px auto 0;min-height:1.2em;font-size:0.78em;letter-spacing:1px;color:var(--cinnabar-light);text-align:center;opacity:0;transition:opacity 0.2s ease}.search-hint.show{opacity:1}.ip-display{padding:45px 40px 50px;text-align:center;border-top:1px solid var(--border);position:relative}.ip-frame{display:inline-block;max-width:90%;padding:28px 44px;border:1px solid var(--border);border-radius:12px;position:relative;background:linear-gradient(180deg,rgba(212,175,90,0.05) 0%,rgba(255,255,255,0.015) 62%);transition:border-color 0.3s 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