:root{--bg-warm: #d4c4a0;--bg-gradient-top: #a8b8b0;--bg-gradient-bottom: #c8a860;--card-bg: #f5f3ee;--card-bg-glass: rgba(245, 243, 238, .88);--card-line: rgba(180, 168, 140, .35);--ink: #1b1c20;--ink-soft: #5a5647;--ink-muted: #8a8474;--accent: #c4a03a;--accent-light: #e8d48b;--accent-dark: #8a6f1a;--accent-glow: rgba(196, 160, 58, .15);--brand-green: #3a7a5a;--brand-green-dark: #2a5a40;--danger: #a24432;--danger-bg: #fdf0ed;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--shadow-card: 0 8px 32px rgba(60, 50, 20, .12), 0 2px 8px rgba(60, 50, 20, .08);--shadow-float: 0 16px 56px rgba(60, 50, 20, .18), 0 4px 16px rgba(60, 50, 20, .1);--shadow-glow: 0 0 40px rgba(196, 160, 58, .12);--font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", Georgia, serif;--transition: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page-bg{min-height:100vh;padding:16px 20px 20px;background:linear-gradient(175deg,#8a9e96,#a0ab9a 15%,#bfb88a 35%,#c8a860,#d4b870,#c4a858 80%,#b89848);background-attachment:fixed;position:relative;overflow:hidden}.page-bg:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 120% 60% at 50% 0%,rgba(180,200,195,.5) 0%,transparent 70%),radial-gradient(ellipse 80% 50% at 80% 100%,rgba(200,168,96,.3) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 10% 60%,rgba(160,180,160,.2) 0%,transparent 50%);pointer-events:none;z-index:0}.particles{position:fixed;top:0;left:0;right:0;bottom:0;pointer-events:none;z-index:0;overflow:hidden}.particle{position:absolute;border-radius:50%;opacity:.15;animation:floatParticle linear 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70%);top:5%;right:40%;animation-duration:28s;animation-delay:-2s}@keyframes floatParticle{0%{transform:translate(0) scale(1)}25%{transform:translate(30px,-40px) scale(1.1)}50%{transform:translate(-20px,-80px) scale(.9)}75%{transform:translate(40px,-30px) scale(1.05)}to{transform:translate(0) scale(1)}}.shell{position:relative;z-index:1;max-width:1100px;margin:0 auto;border-radius:var(--radius-xl);border:1.5px solid rgba(255,255,255,.45);background:var(--card-bg-glass);backdrop-filter:blur(24px) saturate(1.2);-webkit-backdrop-filter:blur(24px) saturate(1.2);box-shadow:var(--shadow-float),inset 0 1px #fff9;padding:26px 40px 28px;overflow:hidden}.shell:after{content:"";position:absolute;top:-50%;right:-30%;width:500px;height:500px;background:radial-gradient(circle,rgba(196,160,58,.06) 0%,transparent 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#c4a03ab3}}.trigram-deco{display:flex;justify-content:center;gap:24px;margin:16px 0 4px;font-size:18px;color:var(--ink-muted);opacity:.25;letter-spacing:2px;-webkit-user-select:none;user-select:none}.ask-box{max-width:680px;margin:0 auto;display:grid;gap:10px;position:relative;z-index:2}.ask-box label{font-size:16px;font-weight:600;color:var(--ink-soft);letter-spacing:.5px}.ask-box textarea{border:1.5px solid var(--card-line);border-radius:var(--radius-md);padding:14px 18px;font-size:16px;font-family:var(--font-serif);line-height:1.65;color:var(--ink);background:#ffffffb3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);resize:vertical;transition:all var(--transition)}.ask-box textarea::placeholder{color:var(--ink-muted)}.ask-box textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px 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var(--transition);position:relative;overflow:hidden}.hex-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light),var(--accent));opacity:.6}.hex-card:after{content:"";position:absolute;bottom:-40px;right:-40px;width:120px;height:120px;background:radial-gradient(circle,rgba(196,160,58,.06),transparent 70%);pointer-events:none}.hex-card:hover{box-shadow:var(--shadow-card);transform:translateY(-3px);border-color:#c4a03a4d}.hex-card-header{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}.hex-card-title{font-size:13px;font-weight:600;color:var(--ink-muted);letter-spacing:3px;text-transform:uppercase}.hex-card-name{font-size:28px;font-weight:800;color:var(--ink);letter-spacing:2px}.hex-card-name .gua-suffix{font-size:18px;font-weight:500;color:var(--accent-dark);margin-left:2px}.hex-code{margin:4px 0 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28px;letter-spacing:1px}.modal-body{display:grid;gap:24px}.about-section{display:flex;gap:16px;align-items:flex-start}.about-icon{width:36px;height:36px;border-radius:10px;background:#c4a03a1a;border:1px solid rgba(196,160,58,.2);color:var(--accent-dark);display:grid;place-items:center;font-size:16px;flex-shrink:0;margin-top:2px}.about-section h4{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.5px}.about-section p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-soft)}.tech-stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.tech-badge{font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;background:#ffffffb3;border:1px solid var(--card-line);color:var(--ink-soft);letter-spacing:.5px;transition:all var(--transition)}.tech-badge:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-1px)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:8px}.method-card{padding:14px;border-radius:var(--radius-md);background:#fff9;border:1px solid var(--card-line);text-align:center;transition:all var(--transition)}.method-card:hover{background:#ffffffe6;box-shadow:var(--shadow-card);transform:translateY(-2px)}.method-num{display:block;font-size:24px;font-weight:800;color:var(--accent);margin-bottom:4px;font-family:var(--font-sans)}.method-card strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}.method-card p{margin:0;font-size:12px;color:var(--ink-muted);line-height:1.5}.modal-footer{margin-top:28px;padding-top:20px;border-top:1px solid var(--card-line);text-align:center;font-size:12px;color:var(--ink-muted);letter-spacing:2px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeInUp .5s ease-out both}.animate-delay-1{animation-delay:.1s}.animate-delay-2{animation-delay:.2s}.animate-delay-3{animation-delay:.3s}@media (max-width: 920px){.page-bg{padding:16px 12px 36px}.shell{padding:24px 20px 28px;border-radius:var(--radius-lg)}.brand{font-size:18px}.nav-links{display:none}.hero{margin:32px auto 24px}.hero h1{font-size:clamp(28px,6vw,48px);letter-spacing:1px}.hero-subtitle{font-size:15px}.feature-tags{gap:8px}.feature-tag{font-size:12px;padding:6px 14px}.trigram-deco{gap:14px;font-size:16px}.ask-box{max-width:100%}.ask-box textarea{font-size:16px;padding:14px 16px}.result-grid{grid-template-columns:1fr}.hex-card{padding:18px}.read-card{padding:20px}.bottom-bar{flex-wrap:wrap;gap:12px;padding:14px 20px;border-radius:var(--radius-lg)}.bottom-bar-sep{display:none}.bottom-bar-item{flex:1 1 40%;min-width:120px}.modal-content{padding:32px 24px 24px}.method-grid{grid-template-columns:1fr}}@media (max-width: 480px){.topbar{gap:10px}.ghost-btn{padding:8px 16px;font-size:13px}.hero h1{font-size:28px}.hero-badge{font-size:11px;padding:5px 14px}.primary-btn,.secondary-btn{width:100%}.form-actions{flex-direction:column}.modal-content{padding:28px 18px 20px;border-radius:var(--radius-lg)}.modal-title{font-size:22px}.about-section{flex-direction:column;gap:8px}.about-icon{width:32px;height:32px;font-size:14px}.pwd-modal{padding:28px 20px 22px;border-radius:var(--radius-lg)}.pwd-title{font-size:20px}.pwd-input{font-size:16px;padding:12px 14px;letter-spacing:4px}}.modal-content::-webkit-scrollbar{width:6px}.modal-content::-webkit-scrollbar-track{background:transparent}.modal-content::-webkit-scrollbar-thumb{background:var(--card-line);border-radius:3px}.modal-content::-webkit-scrollbar-thumb:hover{background:var(--ink-muted)}