:root{--coco-cream:#fdf8f0;--coco-light:#f5f0e6;--coco-beige:#e8dfd0;--coco-tan:#c4a77d;--coco-shell:#9c8260;--coffee-dark:#2c1e16;--coffee-deep:#4a3428;--coffee-medium:#6f4e37;--coffee-light:#a67b5b;--coffee-milk:#d7c4b0;--bg-primary:var(--coco-cream);--bg-secondary:var(--coco-light);--surface:#fdf8f0b8;--surface-strong:#fdf8f0eb;--text-primary:var(--coffee-dark);--text-secondary:var(--coffee-medium);--text-muted:var(--coffee-light);--accent:var(--coffee-medium);--accent-light:var(--coffee-light);--border:#6f4e3724;--shadow:0 8px 32px #2c1e1614;--shadow-lg:0 16px 48px #2c1e161f;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-xl:32px;--font-sans:"PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-display:"PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100dvh;line-height:1.6}#root{min-height:100dvh}button{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--coco-light)}::-webkit-scrollbar-thumb{background:var(--coco-tan);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--coffee-light)}.hero-banner{border-radius:var(--radius-xl);border:1px solid var(--border);width:100%;box-shadow:var(--shadow-lg);cursor:pointer;background:linear-gradient(135deg,#fdf8f0eb,#e8dfd0e0);transition:transform 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44px;display:flex;position:relative}.hero-left{z-index:1;flex:1}.hero-brand{letter-spacing:2px;color:var(--coffee-light);text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:600}.hero-title{color:var(--coffee-dark);letter-spacing:-.02em;margin-bottom:8px;font-size:42px;font-weight:800;line-height:1.1}.hero-english{color:var(--coffee-medium);letter-spacing:1px;margin-bottom:12px;font-size:13px;font-weight:500}.hero-subtitle{color:var(--text-secondary);font-size:16px;font-weight:500}.hero-right{z-index:1;flex-shrink:0}.hero-visual{width:140px;height:140px;position:relative}.hero-coconut{background:radial-gradient(circle at 35% 35%,#fdf8f0,#e8dfd0 60%,#c4a77d 100%);border-radius:50% 50% 48% 52%;width:110px;height:110px;position:absolute;top:8px;left:8px;box-shadow:inset -8px -8px 20px #9c826040,0 8px 20px #2c1e161a}.hero-coconut:after{content:"";opacity:.85;background:radial-gradient(circle,#6f4e37 0%,#4a3428 100%);border-radius:50%;width:32px;height:32px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hero-coffee-ring{border:3px solid #6f4e3726;border-radius:50%;width:130px;height:130px;animation:24s linear infinite rotate;position:absolute;top:0;left:0}.hero-coffee-ring:before{content:"";border:2px dashed #6f4e3733;border-radius:50%;position:absolute;inset:14px}.hero-dots{animation:18s linear infinite reverse rotate;position:absolute;inset:0}.hero-dot{background:var(--coffee-light);width:7px;height:7px;transform:rotate(calc(var(--i) * 60deg)) translateY(-62px);opacity:.6;border-radius:50%;margin:-3.5px;position:absolute;top:50%;left:50%}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=768px){.hero-content{flex-direction:column;align-items:flex-start;padding:28px 24px}.hero-title{font-size:30px}.hero-visual{width:110px;height:110px}.hero-coconut{width:86px;height:86px}.hero-coffee-ring{width:102px;height:102px}}.main-nav{z-index:50;-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow);background:#fdf8f0d1;max-width:720px;margin:0 auto 24px;padding:8px;position:sticky;top:12px}.nav-inner{justify-content:center;align-items:center;gap:4px;display:flex}.nav-item{min-width:0;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-lg);white-space:nowrap;background:0 0;border:none;flex:1;padding:12px 10px;font-size:14px;font-weight:600;transition:color .2s;position:relative}.nav-item:hover{color:var(--text-primary)}.nav-active{color:var(--coffee-dark)}.nav-pill{border-radius:var(--radius-lg);z-index:-1;background:#fff;position:absolute;inset:0;box-shadow:0 2px 8px #2c1e1614}.nav-label{z-index:1;position:relative}@media (width<=640px){.main-nav{border-radius:var(--radius-lg);-webkit-overflow-scrolling:touch;top:8px;overflow-x:auto}.nav-inner{justify-content:flex-start;min-width:max-content}.nav-item{padding:10px 14px;font-size:13px}}.section{padding-bottom:48px}.section-header{margin-bottom:24px}.section-title{color:var(--coffee-dark);margin-bottom:6px;font-size:26px;font-weight:800}.section-desc{color:var(--text-secondary);font-size:14px}.metrics-grid{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px;display:grid}.metric-card{background:var(--surface-strong);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;transition:transform .2s}.metric-card:hover{transform:translateY(-2px)}.metric-value{color:var(--coffee-dark);margin-bottom:6px;font-size:24px;font-weight:800}.metric-label{color:var(--text-secondary);font-size:13px}.chart-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:24px;display:grid}.chart-card{background:var(--surface-strong);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px}.chart-card.wide{grid-column:span 2}.chart-header h3{color:var(--coffee-dark);margin-bottom:2px;font-size:16px;font-weight:700}.chart-header span{color:var(--text-muted);font-size:12px}.insight-tags{background:var(--surface-strong);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:16px;padding:20px}.tags-title{color:var(--coffee-dark);margin-bottom:12px;font-size:15px;font-weight:700}.tags{flex-wrap:wrap;gap:10px;display:flex}.tag{color:var(--coffee-medium);background:#c4a77d24;border:1px solid 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var(--border);border-radius:var(--radius-xl);width:100%;max-width:640px;max-height:82vh;box-shadow:var(--shadow-lg);padding:32px;position:relative;overflow-y:auto}.modal-close{width:34px;height:34px;color:var(--coffee-medium);cursor:pointer;background:#6f4e3714;border:none;border-radius:50%;font-size:22px;line-height:1;transition:background .2s;position:absolute;top:16px;right:18px}.modal-close:hover{background:#6f4e3729}.modal-category{color:var(--coffee-medium);background:#6f4e371a;border-radius:999px;margin-bottom:12px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-block}.modal-title{color:var(--coffee-dark);margin-bottom:10px;font-size:22px;font-weight:800;line-height:1.3}.modal-summary{color:var(--text-secondary);margin-bottom:16px;font-size:14px;line-height:1.6}.modal-keywords{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.modal-keyword{color:var(--coffee-medium);background:#c4a77d29;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600}.modal-body{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.modal-body p{color:var(--text-primary);border-left:3px solid var(--coco-tan);padding-left:16px;font-size:14px;line-height:1.7}.modal-source{color:var(--text-muted);border-top:1px solid var(--border);padding-top:16px;font-size:12px}.modal-source span{color:var(--coffee-light);font-weight:600}.knowledge-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.knowledge-card{background:var(--surface-strong);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);cursor:pointer;padding:22px;transition:box-shadow .2s}.knowledge-card:hover{box-shadow:var(--shadow-lg)}.knowledge-category{color:var(--coffee-medium);background:#6f4e371a;border-radius:999px;margin-bottom:12px;padding:4px 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