/* ===== Product Pages ===== */

/* Product Listing */
.products-hero{padding:80px 0 40px;background:linear-gradient(180deg,var(--blue-50) 0%,var(--white) 100%);text-align:center}
.products-hero h1{font-size:2.6rem;font-weight:800;letter-spacing:-.02em;color:var(--slate-900);margin-bottom:16px}
.products-hero p{font-size:1.1rem;color:var(--slate-500);max-width:600px;margin:0 auto}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:40px 0 80px}
.product-card{background:var(--white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);transition:all .4s var(--ease);border:1px solid var(--slate-200);display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
.product-card-visual{height:200px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.product-card-visual svg{width:100%;height:100%;object-fit:cover}
.product-card-body{padding:28px 24px;flex:1;display:flex;flex-direction:column}
.product-card-tag{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;color:var(--blue-600);background:var(--blue-50);padding:4px 12px;border-radius:6px;align-self:flex-start;margin-bottom:12px}
.product-card h3{font-size:1.3rem;font-weight:800;color:var(--slate-900);margin-bottom:8px}
.product-card-desc{font-size:.92rem;color:var(--slate-500);line-height:1.6;margin-bottom:16px;flex:1}
.product-card-features{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.product-card-feature{font-size:.76rem;color:var(--slate-600);background:var(--slate-100);padding:3px 10px;border-radius:6px}
.product-card-cta{display:inline-flex;align-items:center;gap:8px;font-size:.93rem;font-weight:600;color:var(--blue-600);transition:gap .25s var(--ease)}
.product-card:hover .product-card-cta{gap:12px}
.product-card-cta svg{width:16px;height:16px}

/* Product Detail */
.pd-hero{position:relative;padding:60px 0 48px;background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-700) 100%);overflow:hidden}
.pd-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at top right,rgba(59,130,246,.3),transparent 60%)}
.pd-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:center}
.pd-hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:var(--blue-300);background:rgba(59,130,246,.15);padding:6px 16px;border-radius:8px;margin-bottom:20px}
.pd-hero h1{font-size:2.8rem;font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:16px;line-height:1.15}
.pd-hero-desc{font-size:1.05rem;color:rgba(147,197,253,.8);line-height:1.7;margin-bottom:28px}
.pd-hero-meta{display:flex;gap:24px;margin-bottom:32px}
.pd-hero-meta-item{display:flex;flex-direction:column;gap:4px}
.pd-hero-meta-label{font-size:.72rem;color:rgba(147,197,253,.6);text-transform:uppercase;letter-spacing:.05em}
.pd-hero-meta-value{font-size:.95rem;font-weight:600;color:#fff}
.pd-hero-cta{display:flex;gap:16px}
.pd-hero-visual{width:400px;height:300px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.pd-hero-visual svg{width:100%;height:100%}
.pd-btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;background:var(--blue-500);color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);border:none;font-family:var(--font);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.pd-btn-primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.5)}
.pd-btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;background:rgba(255,255,255,.1);color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);border:1px solid rgba(255,255,255,.2);font-family:var(--font)}
.pd-btn-outline:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3)}

/* Product Sections */
.pd-section{padding:64px 0}
.pd-section-alt{background:var(--slate-50)}
.pd-section-head{margin-bottom:40px}
.pd-section-head.center{text-align:center}
.pd-section-eyebrow{font-size:.78rem;font-weight:700;color:var(--blue-600);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.pd-section-title{font-size:2rem;font-weight:800;color:var(--slate-900);letter-spacing:-.02em}
.pd-section-sub{font-size:1rem;color:var(--slate-500);margin-top:8px;max-width:600px}
.pd-section-head.center .pd-section-sub{margin-left:auto;margin-right:auto}

/* Feature Grid */
.pd-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pd-feature{background:var(--white);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--slate-200);transition:all .3s var(--ease)}
.pd-feature:hover{border-color:var(--blue-300);box-shadow:var(--shadow);transform:translateY(-4px)}
.pd-feature-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--blue-500),var(--blue-700));display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pd-feature-icon svg{width:24px;height:24px;color:#fff}
.pd-feature h4{font-size:1.05rem;font-weight:700;color:var(--slate-900);margin-bottom:8px}
.pd-feature p{font-size:.88rem;color:var(--slate-500);line-height:1.6}

/* Tech Stack */
.pd-tech{display:flex;flex-wrap:wrap;gap:12px}
.pd-tech-item{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;background:var(--white);border:1px solid var(--slate-200);font-size:.88rem;font-weight:500;color:var(--slate-700);transition:all .25s var(--ease)}
.pd-tech-item:hover{border-color:var(--blue-300);color:var(--blue-600)}
.pd-tech-item strong{color:var(--blue-600)}

/* Architecture Diagram — Vertical Timeline */
.pd-arch{background:#0E1525;border-radius:20px;padding:48px 40px;position:relative;overflow:hidden}
.pd-arch::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 15% 0%,rgba(37,99,235,.12),transparent 55%);pointer-events:none}
.pd-arch-track{position:relative;z-index:1;padding-left:52px}
.pd-arch-track::before{content:'';position:absolute;left:11px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,rgba(59,130,246,.4),rgba(139,92,246,.3),rgba(16,185,129,.4));border-radius:2px}
.pd-arch-track-item{position:relative;padding-bottom:16px}
.pd-arch-track-item:last-child{padding-bottom:0}
.pd-arch-track-dot{position:absolute;left:-41px;top:2px;width:24px;height:24px;border-radius:50%;background:#0E1525;border:2px solid rgba(59,130,246,.5);display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:800;color:#93C5FD;font-family:'Cascadia Code','Fira Code',Consolas,monospace;z-index:1;transition:all .3s ease}
.pd-arch-track-item[data-type="server"] .pd-arch-track-dot{border-color:rgba(37,99,235,.6);color:#DBEAFE}
.pd-arch-track-item[data-type="service"] .pd-arch-track-dot{border-color:rgba(139,92,246,.6);color:#C4B5FD}
.pd-arch-track-item[data-type="db"] .pd-arch-track-dot{border-color:rgba(16,185,129,.6);color:#6EE7B7}
.pd-arch-track-item[data-type="api"] .pd-arch-track-dot{border-color:rgba(245,158,11,.6);color:#FCD34D}
.pd-arch-track-card{background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 20px;transition:all .3s ease}
.pd-arch-track-card:hover{background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(255,255,255,.03));border-color:rgba(37,99,235,.25);transform:translateX(6px)}
.pd-arch-track-label{font-size:.72rem;font-weight:700;color:#E2E8F0;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
.pd-arch-track-tags{display:flex;flex-wrap:wrap;gap:8px}
.pd-arch-track-tags span{padding:7px 14px;border-radius:7px;font-size:.78rem;font-weight:600;white-space:nowrap;transition:all .25s ease}
.pd-arch-track-tags span.t-client{background:rgba(59,130,246,.12);color:#93C5FD;border:1px solid rgba(59,130,246,.2)}
.pd-arch-track-tags span.t-server{background:rgba(37,99,235,.15);color:#DBEAFE;border:1px solid rgba(37,99,235,.25)}
.pd-arch-track-tags span.t-db{background:rgba(16,185,129,.12);color:#6EE7B7;border:1px solid rgba(16,185,129,.2)}
.pd-arch-track-tags span.t-service{background:rgba(139,92,246,.12);color:#C4B5FD;border:1px solid rgba(139,92,246,.2)}
.pd-arch-track-tags span.t-api{background:rgba(245,158,11,.12);color:#FCD34D;border:1px solid rgba(245,158,11,.2)}
.pd-arch-track-tags span:hover{transform:translateY(-2px);filter:brightness(1.3)}

/* Pricing Cards */
.pd-pricing{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:760px;margin:0 auto}
.pd-pricing-card{background:var(--white);border-radius:var(--radius-xl);padding:36px 32px;border:2px solid var(--slate-200);position:relative;transition:all .35s var(--ease);display:flex;flex-direction:column}
.pd-pricing-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pd-pricing-card.featured{border-color:var(--blue-500);box-shadow:0 8px 32px rgba(37,99,235,.15)}
.pd-pricing-card.featured::before{content:'推荐';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--blue-500),var(--blue-700));color:#fff;font-size:.72rem;font-weight:700;padding:4px 16px;border-radius:20px;box-shadow:0 4px 12px rgba(37,99,235,.4)}
.pd-pricing-badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:6px;align-self:flex-start;margin-bottom:16px}
.pd-pricing-badge.free{background:var(--slate-100);color:var(--slate-600)}
.pd-pricing-badge.pro{background:var(--blue-50);color:var(--blue-600)}
.pd-pricing-name{font-size:1.4rem;font-weight:800;color:var(--slate-900);margin-bottom:8px}
.pd-pricing-price{display:flex;align-items:baseline;gap:4px;margin-bottom:20px}
.pd-pricing-price .amount{font-size:2.4rem;font-weight:800;color:var(--slate-900)}
.pd-pricing-price .unit{font-size:.9rem;color:var(--slate-500)}
.pd-pricing-desc{font-size:.88rem;color:var(--slate-500);line-height:1.6;margin-bottom:24px}
.pd-pricing-features{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1}
.pd-pricing-feature{display:flex;align-items:center;gap:10px;font-size:.86rem;color:var(--slate-700)}
.pd-pricing-feature svg{width:18px;height:18px;color:var(--blue-500);flex-shrink:0}
.pd-pricing-feature.disabled{color:var(--slate-400)}
.pd-pricing-feature.disabled svg{color:var(--slate-300)}
.pd-pricing-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:.93rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);border:none;font-family:var(--font);text-decoration:none}
.pd-pricing-cta.free{background:var(--slate-100);color:var(--slate-700)}
.pd-pricing-cta.free:hover{background:var(--slate-200)}
.pd-pricing-cta.pro{background:linear-gradient(135deg,var(--blue-500),var(--blue-700));color:#fff;box-shadow:0 4px 16px rgba(37,99,235,.3)}
.pd-pricing-cta.pro:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}

/* Modules Table */
.pd-modules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pd-module{display:flex;gap:16px;padding:20px;background:var(--white);border-radius:var(--radius);border:1px solid var(--slate-200);transition:all .25s var(--ease)}
.pd-module:hover{border-color:var(--blue-300);box-shadow:var(--shadow-sm)}
.pd-module-num{font-size:1.5rem;font-weight:800;color:var(--blue-200);min-width:40px}
.pd-module-content h4{font-size:.95rem;font-weight:700;color:var(--slate-900);margin-bottom:4px}
.pd-module-content p{font-size:.82rem;color:var(--slate-500);line-height:1.5}

/* Deployment */
.pd-deploy{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pd-deploy-card{background:var(--white);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--slate-200)}
.pd-deploy-card h4{font-size:1.1rem;font-weight:700;color:var(--slate-900);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.pd-deploy-card h4 span{font-size:.72rem;font-weight:600;color:var(--blue-600);background:var(--blue-50);padding:3px 10px;border-radius:6px}
.pd-deploy-card p{font-size:.88rem;color:var(--slate-500);line-height:1.6;margin-bottom:16px}
.pd-deploy-code{background:var(--slate-900);border-radius:10px;padding:16px;overflow-x:auto}
.pd-deploy-code pre{color:var(--blue-300);font-family:'Cascadia Code','Fira Code',Consolas,monospace;font-size:.8rem;line-height:1.6;white-space:pre}

/* Security */
.pd-security{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pd-security-item{background:var(--white);border-radius:var(--radius);padding:20px;border:1px solid var(--slate-200);text-align:center}
.pd-security-item svg{width:28px;height:28px;color:var(--blue-500);margin-bottom:12px}
.pd-security-item h4{font-size:.88rem;font-weight:700;color:var(--slate-900);margin-bottom:4px}
.pd-security-item p{font-size:.78rem;color:var(--slate-500)}

/* CTA */
.pd-cta{background:linear-gradient(135deg,var(--blue-600),var(--blue-800));border-radius:var(--radius-xl);padding:48px;text-align:center;position:relative;overflow:hidden}
.pd-cta::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,rgba(255,255,255,.1),transparent 70%)}
.pd-cta-inner{position:relative;z-index:1}
.pd-cta h2{font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:12px}
.pd-cta p{font-size:1rem;color:rgba(255,255,255,.8);margin-bottom:28px}
.pd-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:12px;background:#fff;color:var(--blue-600);font-size:1rem;font-weight:700;cursor:pointer;transition:all .25s var(--ease);border:none;font-family:var(--font)}
.pd-cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.2)}

/* Breadcrumb */
.pd-breadcrumb{padding:16px 0;background:var(--slate-50)}
.pd-breadcrumb a{color:var(--slate-500);font-size:.88rem;transition:color .2s}
.pd-breadcrumb a:hover{color:var(--blue-600)}
.pd-breadcrumb span{color:var(--slate-400);margin:0 8px;font-size:.88rem}
.pd-breadcrumb .current{color:var(--slate-900);font-weight:600;font-size:.88rem}

/* Responsive */
@media(max-width:968px){
  .products-grid{grid-template-columns:1fr}
  .pd-hero-inner{grid-template-columns:1fr;gap:32px}
  .pd-hero-visual{width:100%;height:240px}
  .pd-features{grid-template-columns:1fr}
  .pd-modules{grid-template-columns:1fr}
  .pd-deploy{grid-template-columns:1fr}
  .pd-pricing{grid-template-columns:1fr}
  .pd-security{grid-template-columns:repeat(2,1fr)}
  .pd-hero h1{font-size:2rem}
  .pd-cta{padding:32px 24px}
  .pd-arch{padding:28px 16px}
  .pd-arch-track{padding-left:36px}
  .pd-arch-track::before{left:9px}
  .pd-arch-track-dot{left:-29px;width:20px;height:20px;font-size:.55rem;border-width:2px}
  .pd-arch-track-card{padding:12px 14px}
  .pd-arch-track-label{font-size:.65rem;margin-bottom:8px}
  .pd-arch-track-tags span{padding:5px 10px;font-size:.72rem}
  .pd-arch-track-tags{gap:6px}
}