/* product-highpressure.html - 页面专用样式 */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;color:var(--text-body);line-height:1.7;background:#fff;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit;transition:color .25s}ul,ol{list-style:none}h1,h2,h3,h4{line-height:1.3;font-weight:700}
:root{--c-primary:#0d9488;--c-primary-dark:#0f766e;--c-primary-light:#5eead4;--c-primary-pale:#f0fdfa;--c-accent:#2563eb;--c-accent-light:#60a5fa;--c-dark:#0f172a;--c-heading:#1e293b;--c-body:#475569;--c-muted:#94a3b8;--c-border:#e2e8f0;--c-bg:#f8fafc;--shadow:0 4px 6px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 25px -3px rgba(0,0,0,.08);--shadow-xl:0 20px 40px -8px rgba(0,0,0,.1);--radius:12px;--radius-full:9999px;--max-w:1200px;--header-h:72px;--transition:cubic-bezier(.22,1,.36,1)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.section{padding:80px 0}
/* Header - same as products */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);max-width:var(--max-w);margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px}.logo-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:flex;align-items:center;justify-content:center}.logo-text{font-size:1.05rem;font-weight:700;color:var(--c-dark)}.logo-sub{font-size:.7rem;color:var(--c-muted)}
.nav{display:flex;align-items:center;gap:2px}.nav a{padding:8px 14px;font-size:.88rem;color:var(--c-body);font-weight:500;border-radius:8px;transition:all .25s}.nav a:hover,.nav a.active{color:var(--c-primary);background:var(--c-primary-pale)}
.nav-phone{margin-left:16px;padding:8px 20px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border-radius:var(--radius-full);font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:6px}
.mobile-toggle{display:none;background:none;border:none;padding:8px;width:44px;height:44px}.mobile-toggle span{display:block;width:22px;height:2px;background:var(--c-dark);margin:5px auto;border-radius:2px}
.mobile-menu{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:#fff;box-shadow:var(--shadow-lg);padding:16px 24px;z-index:999}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:14px 0;color:var(--c-body);border-bottom:1px solid var(--c-border)}
/* Page Hero */
.page-hero{background:linear-gradient(135deg,#0f4c75 0%,#0d9488 50%,#2563eb 100%);padding:120px 0 60px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-30%;right:-10%;width:400px;height:400px;border-radius:50%;background:rgba(94,234,212,.1)}
.page-hero h1{font-size:2rem;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:1}
.page-hero p{font-size:.95rem;color:rgba(255,255,255,.75);position:relative;z-index:1;max-width:520px;margin:0 auto}
.breadcrumb{padding:16px 0;font-size:.85rem;color:var(--c-muted)}.breadcrumb a{color:var(--c-primary)}.breadcrumb a:hover{text-decoration:underline}
/* Product Detail */
.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.prod-gallery{position:sticky;top:96px}
.prod-main-img{aspect-ratio:4/3;background:var(--c-bg);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-border)}
.prod-main-img img{width:85%;height:85%;object-fit:contain}
.prod-info-panel h1{font-size:1.6rem;font-weight:800;color:var(--c-heading);margin-bottom:8px}
.prod-info-panel .tagline{font-size:.95rem;color:var(--c-primary);font-weight:600;margin-bottom:20px}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0}
.spec-table tr{border-bottom:1px solid var(--c-border)}
.spec-table td{padding:12px 16px;font-size:.9rem}
.spec-table td:first-child{color:var(--c-muted);width:35%;font-weight:500;background:var(--c-bg)}
.spec-table td:last-child{color:var(--c-heading);font-weight:600}
.prod-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.highlight-item{background:var(--c-primary-pale);border-radius:var(--radius);padding:16px;text-align:center}
.highlight-item .val{font-size:1.4rem;font-weight:800;color:var(--c-primary);display:block}
.highlight-item .lbl{font-size:.75rem;color:var(--c-muted);margin-top:2px}
/* Content Sections */
.content-section{margin-top:48px}
.content-section h2{font-size:1.4rem;font-weight:700;color:var(--c-heading);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--c-primary)}
.content-section p{color:var(--c-body);margin-bottom:14px;line-height:1.8}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}
.feature-item{display:flex;gap:10px;align-items:flex-start;padding:12px;background:var(--c-bg);border-radius:8px}
.feature-check{width:24px;height:24px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.8rem}
.feature-item p{font-size:.88rem;color:var(--c-body);margin:0}
/* Install Diagram */
.install-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:20px 0}
.install-card{background:var(--c-bg);border-radius:var(--radius);padding:20px;border:1px solid var(--c-border)}
.install-card h3{font-size:1rem;font-weight:700;color:var(--c-heading);margin-bottom:8px}
.install-card p{font-size:.85rem;color:var(--c-muted)}
/* CTA */
.cta-banner{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));padding:56px 0;text-align:center;overflow:hidden;position:relative}
.cta-banner h2{font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:1}
.cta-banner p{font-size:.95rem;color:rgba(255,255,255,.8);margin-bottom:24px;position:relative;z-index:1}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-full);font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:all .35s var(--transition)}
.btn-white{background:#fff;color:var(--c-primary-dark);box-shadow:0 4px 14px rgba(0,0,0,.1)}.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
/* Footer */
.site-footer{background:#0f172a;color:rgba(255,255,255,.55);padding:48px 0 20px}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:32px}
.footer-brand h3{color:#fff;font-size:1rem;margin-bottom:10px}.footer-brand p{font-size:.84rem;line-height:1.7}
.footer-col h4{color:#fff;font-size:.9rem;margin-bottom:12px}.footer-col a{display:block;font-size:.84rem;margin-bottom:7px}.footer-col a:hover{color:var(--c-primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;text-align:center;font-size:.78rem}
.float-cta{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);border:none;transition:transform .3s var(--transition)}.float-btn:hover{transform:scale(1.1)}
.float-phone{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;position:relative;border-radius:var(--radius-full);overflow:hidden;padding:0}
.float-phone-num{position:absolute;right:52px;white-space:nowrap;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;padding:0 16px 0 12px;height:52px;line-height:52px;border-radius:var(--radius-full) 0 0 var(--radius-full);font-size:.88rem;font-weight:700;transform:translateX(20px);opacity:0;transition:all .4s var(--transition);pointer-events:none}
.float-phone:hover .float-phone-num{transform:translateX(0);opacity:1}.float-phone:hover{transform:none}
.float-phone-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center}
.float-top{background:#fff;color:var(--c-dark);opacity:0;pointer-events:none;transition:opacity .3s}.float-top.show{opacity:1;pointer-events:auto}
@media(prefers-reduced-motion:no-preference){.ani{opacity:0;transform:translateY(28px);transition:opacity .7s var(--transition),transform .7s var(--transition)}.ani.show{opacity:1;transform:translateY(0)}}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 0 0 rgba(13,148,136,.3)}50%{box-shadow:0 0 0 12px rgba(13,148,136,0)}}
@media(max-width:1024px){.prod-detail{grid-template-columns:1fr}.prod-gallery{position:static}.footer-top{grid-template-columns:1fr 1fr}.feature-list{grid-template-columns:1fr}.nav-phone{display:none}}
@media(max-width:768px){.nav{display:none}.mobile-toggle{display:block}.footer-top{grid-template-columns:1fr}.page-hero h1{font-size:1.5rem}.prod-highlights{grid-template-columns:repeat(3,1fr)}.install-grid{grid-template-columns:1fr}}