:root{--primary: #0a2a66;--primary-deep: #061a45;--accent: #2563eb;--accent-light: #e8f0fe;--ink: #14213d;--text: #1f2d3d;--text-2: #5b6b80;--bg: #ffffff;--bg-soft: #f4f7fb;--border: #e3e9f2;--success: #16a34a;--warning: #b45309;--radius: 12px;--maxw: 1180px;--sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul,ol{padding-left:1.2em}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--primary)}.brand:hover{text-decoration:none}.brand-mark{width:34px;height:34px;border-radius:8px;object-fit:contain}.brand small{font-size:11px;color:var(--text-2);font-weight:500;display:block;line-height:1}.main-nav{display:flex;gap:4px}.main-nav a{padding:8px 14px;border-radius:8px;color:var(--text);font-size:15px;font-weight:500}.main-nav a:hover{background:var(--accent-light);text-decoration:none}.main-nav a.active{color:var(--accent);font-weight:700}.nav-cta{background:var(--primary);color:#fff!important;padding:8px 18px!important;border-radius:8px;font-weight:600}.nav-cta:hover{background:var(--accent)}.hero{background:radial-gradient(ellipse 60% 80% at 85% 10%,rgba(37,99,235,.14),transparent),radial-gradient(ellipse 50% 60% at 10% 90%,rgba(10,42,102,.08),transparent),linear-gradient(180deg,#f7f9fd,#fff);padding:72px 0 64px}.hero h1{font-size:40px;line-height:1.3;color:var(--ink);font-weight:800;letter-spacing:1px}.hero h1 .hl{color:var(--accent)}.hero .sub{font-size:18px;color:var(--text-2);margin-top:18px;max-width:860px}.hero-def{margin-top:22px;padding:18px 22px;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;color:var(--text);font-size:15.5px;max-width:900px;box-shadow:0 2px 10px #0a2a660d}.hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-block;padding:12px 28px;border-radius:10px;font-weight:600;font-size:15.5px;transition:all .2s}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 4px 14px #2563eb40}.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--border)}.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;text-align:center;box-shadow:0 2px 10px #0a2a660a}.stat-card .num{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:1px}.stat-card .label{font-size:13px;color:var(--text-2);margin-top:6px}.section{padding:64px 0}.section.soft{background:var(--bg-soft)}.section-head{text-align:center;margin-bottom:40px}.section-head .eyebrow{color:var(--accent);font-weight:700;font-size:13.5px;letter-spacing:3px;text-transform:uppercase}.section-head h2{font-size:30px;color:var(--ink);margin-top:8px;font-weight:800}.section-head p{color:var(--text-2);margin-top:10px;max-width:760px;margin-left:auto;margin-right:auto}.section-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.section-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:all .25s;box-shadow:0 2px 10px #0a2a660a}.section-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px #0a2a661a;border-color:var(--accent)}.section-card .sec-bar{position:absolute;top:0;left:0;right:0;height:4px}.section-card .sec-badge{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--text-2);letter-spacing:2px}.section-card .sec-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;margin-bottom:14px}.section-card h3{font-size:21px;color:var(--ink);margin-bottom:4px}.section-card .sec-en{font-size:12px;color:var(--text-2);letter-spacing:1px}.section-card p{color:var(--text-2);font-size:14.5px;margin-top:12px}.sol-links{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}.sol-links a{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--accent-light);color:var(--primary);font-weight:500}.sol-links a:hover{background:var(--accent);color:#fff;text-decoration:none}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card-grid.two{grid-template-columns:repeat(2,1fr)}.item-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:all .25s;box-shadow:0 2px 10px #0a2a660a}.item-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px #0a2a661a;border-color:var(--accent)}.item-card h3{font-size:18px;color:var(--ink)}.item-card h3 a{color:inherit}.item-card .card-sub{font-size:13px;color:var(--text-2);margin-top:4px}.item-card p{font-size:14px;color:var(--text-2);margin-top:10px;flex:1}.card-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--bg-soft);color:var(--text-2);border:1px solid var(--border)}.tag.blue{background:var(--accent-light);color:var(--accent);border-color:#c9d8f5}.tag.green{background:#e8f5e9;color:var(--success);border-color:#c8e6c9}.tag.warn{background:#fff3e0;color:var(--warning);border-color:#ffe0b2}.page-hero{background:linear-gradient(135deg,var(--primary-deep) 0%,var(--primary) 55%,#1d4ed8 100%);color:#fff;padding:56px 0}.page-hero .crumbs{font-size:13px;color:#ffffffa6;margin-bottom:14px}.page-hero .crumbs a{color:#fffc}.page-hero h1{font-size:32px;font-weight:800;letter-spacing:1px}.page-hero .page-sub{font-size:16px;color:#fffc;margin-top:12px;max-width:880px}.page-hero .status-pill{display:inline-block;margin-top:16px;padding:4px 14px;font-size:13px;border-radius:999px;background:#ffffff29;border:1px solid rgba(255,255,255,.3);color:#fff;font-weight:600}.content-page{padding:56px 0 72px}.content-block{margin-bottom:48px}.content-block>h2{font-size:24px;color:var(--ink);font-weight:800;border-left:4px solid var(--accent);padding-left:14px;margin-bottom:20px}.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.pain-grid.two{grid-template-columns:repeat(2,1fr)}.pain-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.pain-card h4{font-size:16px;color:var(--ink);margin-bottom:8px}.pain-card h4:before{content:"⚠ ";color:var(--warning)}.pain-card p{font-size:14px;color:var(--text-2)}.arch-list{display:flex;flex-direction:column;gap:14px}.arch-item{display:flex;gap:18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;align-items:flex-start;box-shadow:0 2px 8px #0a2a6608}.arch-layer{min-width:96px;font-size:13px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:8px;padding:6px 10px;text-align:center;margin-top:2px}.arch-item h4{font-size:16.5px;color:var(--ink)}.arch-item p{font-size:14px;color:var(--text-2);margin-top:4px}.feature-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px #0a2a660d}.feature-table th{background:#eaf1fb;color:var(--primary);text-align:left;padding:13px 18px;font-size:14.5px}.feature-table td{padding:13px 18px;border-top:1px solid var(--border);font-size:14px;vertical-align:top}.feature-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}.feature-table td ul{margin:0;padding-left:1.1em}.feature-table td li{margin:3px 0;color:var(--text-2)}.path-steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.path-step{counter-increment:step;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:relative}.path-step:before{content:counter(step,decimal-leading-zero);font-size:26px;font-weight:800;color:#dbe7fa;position:absolute;top:10px;right:14px}.path-step h4{font-size:15.5px;color:var(--accent);margin-bottom:6px}.path-step p{font-size:13.5px;color:var(--text-2)}.evidence-box{background:linear-gradient(135deg,#f0f6ff,#e8f0fe);border:1px solid #c9d8f5;border-radius:var(--radius);padding:26px 28px}.evidence-box h3{font-size:16px;color:var(--primary);margin-bottom:12px}.evidence-box ul{margin:0}.evidence-box li{font-size:14.5px;color:var(--text);margin:7px 0}.evidence-box li::marker{color:var(--accent)}.faq-block details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:10px}.faq-block summary{font-weight:700;font-size:15.5px;color:var(--ink);cursor:pointer}.faq-block details p{font-size:14.5px;color:var(--text-2);margin-top:10px}.cta-band{background:linear-gradient(135deg,var(--primary-deep),var(--accent));border-radius:16px;color:#fff;padding:40px;text-align:center;margin-top:56px}.cta-band h2{font-size:24px;font-weight:800}.cta-band p{color:#fffc;margin-top:8px;font-size:15px}.cta-band .btn{background:#fff;color:var(--primary);margin-top:20px}.cta-band .btn:hover{background:#f0f6ff}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.shot-grid.single{grid-template-columns:1fr;max-width:880px}.shot{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px #0a2a660d}.shot img{width:100%;display:block}.shot figcaption{font-size:13px;color:var(--text-2);padding:10px 16px;background:var(--bg-soft)}.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.cert-item{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:all .2s;box-shadow:0 2px 8px #0a2a660a}.cert-item:hover{transform:translateY(-3px);box-shadow:0 8px 20px #0a2a661f;border-color:var(--accent)}.cert-item img{width:100%;aspect-ratio:3/4.2;object-fit:cover;display:block}.cert-item figcaption{font-size:12px;color:var(--text-2);padding:8px 10px;text-align:center;line-height:1.45}@media(max-width:960px){.cert-grid{grid-template-columns:repeat(3,1fr)}.shot-grid{grid-template-columns:1fr}}@media(max-width:640px){.cert-grid{grid-template-columns:repeat(2,1fr)}}.site-footer{background:var(--primary-deep);color:#ffffffb8;margin-top:40px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding:52px 0 40px}.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px}.footer-grid a{color:#ffffffb8;font-size:14px;display:block;margin:7px 0}.footer-grid a:hover{color:#fff}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}.footer-desc{font-size:13.5px;line-height:1.8}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}@media(max-width:960px){.stats-bar{grid-template-columns:repeat(2,1fr)}.section-grid,.card-grid,.card-grid.two,.related-grid,.pain-grid,.pain-grid.two{grid-template-columns:1fr}.path-steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:30px}.main-nav{display:none}}@media(max-width:640px){.path-steps,.footer-grid{grid-template-columns:1fr}.hero h1{font-size:26px}.arch-item{flex-direction:column;gap:8px}}