:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-subtle: #eff6ff;--primary-border: #bfdbfe;--cyan: #0284c7;--emerald: #059669;--bg-body: #ffffff;--bg-surface: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #ffffff;--bg-glass: rgba(255, 255, 255, .9);--bg-badge: #eff6ff;--border: #e2e8f0;--border-hover: #cbd5e1;--border-focus: #2563eb;--text-main: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-dim: #94a3b8;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 12px -2px rgba(15, 23, 42, .06), 0 2px 6px -1px rgba(15, 23, 42, .04);--shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, .08), 0 4px 10px -2px rgba(15, 23, 42, .04);--shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, .12), 0 8px 12px -4px rgba(15, 23, 42, .05);--glow-hero: radial-gradient(ellipse at 50% -20%, rgba(37, 99, 235, .08) 0%, rgba(56, 189, 248, .03) 50%, transparent 80%);--cta-bg: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);--cta-border: #cbd5e1;--cta-shadow: 0 16px 36px -8px rgba(15, 23, 42, .08), 0 1px 3px rgba(15, 23, 42, .04);--cta-title: #0f172a;--cta-subtitle: #475569;--cta-badge-bg: #eff6ff;--cta-badge-border: #bfdbfe;--cta-badge-text: #2563eb;--cta-badge-dot: #2563eb;--cta-btn-bg: #2563eb;--cta-btn-text: #ffffff;--cta-btn-border: #2563eb;--cta-btn-hover: #1d4ed8;--cta-btn-shadow: 0 8px 20px -4px rgba(37, 99, 235, .3);--cta-meta-text: #64748b;--cta-meta-border: #e2e8f0;--cta-meta-link: #2563eb;--cta-top-glow: linear-gradient(90deg, transparent, rgba(37, 99, 235, .35), transparent);--footer-bg: #f8fafc;--footer-border: #e2e8f0;--footer-brand-title: #0f172a;--footer-brand-desc: #64748b;--footer-heading: #0f172a;--footer-link: #64748b;--footer-link-hover: #2563eb;--footer-icon: #2563eb;--footer-bottom-border: #e2e8f0;--footer-bottom-text: #94a3b8;--footer-bottom-link: #64748b;--footer-bottom-link-hover: #2563eb;--badge-blue-bg: #eff6ff;--badge-blue-text: #1d4ed8;--badge-blue-border: #bfdbfe;--badge-purple-bg: #f5f3ff;--badge-purple-text: #6d28d9;--badge-purple-border: #ddd6fe;--badge-cyan-bg: #ecfeff;--badge-cyan-text: #0369a1;--badge-cyan-border: #bae6fd;--badge-amber-bg: #fffbeb;--badge-amber-text: #b45309;--badge-amber-border: #fde68a;--badge-emerald-bg: #ecfdf5;--badge-emerald-text: #047857;--badge-emerald-border: #a7f3d0;--input-bg: #f8fafc;--input-bg-focus: #ffffff;--input-placeholder: #94a3b8;--feedback-success-bg: #ecfdf5;--feedback-success-text: #065f46;--feedback-success-border: #10b981;--timeline-line: #e2e8f0;--container-max: 1140px;--header-height: 72px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--transition: .2s cubic-bezier(.16, 1, .3, 1)}[data-theme=dark]{--primary: #3b82f6;--primary-hover: #60a5fa;--primary-subtle: rgba(59, 130, 246, .14);--primary-border: rgba(59, 130, 246, .3);--cyan: #38bdf8;--emerald: #10b981;--bg-body: #0b0f17;--bg-surface: #111726;--bg-card: #131b2e;--bg-card-hover: #18223a;--bg-glass: rgba(11, 15, 23, .88);--bg-badge: rgba(59, 130, 246, .15);--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .18);--border-focus: #3b82f6;--text-main: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-dim: #64748b;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 2px 5px rgba(0, 0, 0, .4);--shadow-md: 0 6px 18px rgba(0, 0, 0, .45);--shadow-lg: 0 14px 30px rgba(0, 0, 0, .55);--shadow-xl: 0 22px 42px rgba(0, 0, 0, .65);--glow-hero: radial-gradient(ellipse at 50% -20%, rgba(59, 130, 246, .18) 0%, rgba(14, 165, 233, .06) 50%, transparent 80%);--badge-blue-bg: rgba(59, 130, 246, .15);--badge-blue-text: #60a5fa;--badge-blue-border: rgba(59, 130, 246, .3);--badge-purple-bg: rgba(168, 85, 247, .15);--badge-purple-text: #c084fc;--badge-purple-border: rgba(168, 85, 247, .3);--badge-cyan-bg: rgba(6, 182, 212, .15);--badge-cyan-text: #38bdf8;--badge-cyan-border: rgba(6, 182, 212, .3);--badge-amber-bg: rgba(245, 158, 11, .15);--badge-amber-text: #fbbf24;--badge-amber-border: rgba(245, 158, 11, .3);--badge-emerald-bg: rgba(16, 185, 129, .15);--badge-emerald-text: #34d399;--badge-emerald-border: rgba(16, 185, 129, .3);--input-bg: #0f1523;--input-bg-focus: #141c2f;--input-placeholder: #64748b;--feedback-success-bg: rgba(16, 185, 129, .14);--feedback-success-text: #34d399;--feedback-success-border: rgba(16, 185, 129, .35);--timeline-line: rgba(255, 255, 255, .12);--cta-bg: linear-gradient(135deg, #131b2e 0%, #1e293b 100%);--cta-border: rgba(255, 255, 255, .12);--cta-shadow: 0 24px 50px -10px rgba(0, 0, 0, .5);--cta-title: #ffffff;--cta-subtitle: #cbd5e1;--cta-badge-bg: rgba(56, 189, 248, .12);--cta-badge-border: rgba(56, 189, 248, .25);--cta-badge-text: #38bdf8;--cta-badge-dot: #38bdf8;--cta-btn-bg: #38bdf8;--cta-btn-text: #0f172a;--cta-btn-border: #38bdf8;--cta-btn-hover: #7dd3fc;--cta-btn-shadow: 0 8px 24px -4px rgba(56, 189, 248, .4);--cta-meta-text: #94a3b8;--cta-meta-border: rgba(255, 255, 255, .08);--cta-meta-link: #38bdf8;--cta-top-glow: linear-gradient(90deg, transparent, rgba(56, 189, 248, .7), transparent);--footer-bg: #070a10;--footer-border: rgba(255, 255, 255, .08);--footer-brand-title: #ffffff;--footer-brand-desc: #94a3b8;--footer-heading: #f8fafc;--footer-link: #94a3b8;--footer-link-hover: #38bdf8;--footer-icon: #38bdf8;--footer-bottom-border: rgba(255, 255, 255, .08);--footer-bottom-text: #64748b;--footer-bottom-link: #94a3b8;--footer-bottom-link-hover: #ffffff}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--bg-body);color:var(--text-secondary);line-height:1.65;overflow-x:hidden;position:relative;min-height:100vh;transition:background-color var(--transition),color var(--transition)}body:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:100%;max-width:1200px;height:480px;background:var(--glow-hero);pointer-events:none;z-index:0;transition:background var(--transition)}a{color:inherit;text-decoration:none;transition:color var(--transition),border-color var(--transition)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button,input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--container-max);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}.text-white{color:var(--text-main)}.text-muted{color:var(--text-muted)}.text-dim{color:var(--text-dim)}.text-center{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;font-size:.92rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition);cursor:pointer;white-space:nowrap;border:1px solid transparent}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 6px #2563eb40}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 4px 12px #2563eb59;transform:translateY(-1px)}.btn-outline{background:var(--bg-card);color:var(--text-main);border-color:var(--border);box-shadow:var(--shadow-xs)}.btn-outline:hover{background:var(--bg-surface);border-color:var(--border-hover);color:var(--primary);transform:translateY(-1px)}.btn-sm{padding:7px 16px;font-size:.86rem;border-radius:var(--radius-sm)}.btn-lg{padding:13px 28px;font-size:1rem}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);z-index:1000;transition:background-color var(--transition),border-color var(--transition),box-shadow var(--transition);border-bottom:1px solid transparent}.site-header.scrolled{background:var(--bg-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--border);box-shadow:0 2px 10px #0f172a08}.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:100%}.brand-logo{display:flex;align-items:center;gap:10px}.brand-badge{width:32px;height:32px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:transparent;border:none;box-shadow:none}.brand-badge-icon{width:30px;height:30px;fill:#2563eb;display:block;transition:fill var(--transition)}[data-theme=dark] .brand-badge-icon{fill:#fff}.footer-brand .brand-badge{background:transparent;border:none;box-shadow:none}.footer-brand .brand-badge-icon{fill:#2563eb;transition:fill var(--transition)}[data-theme=dark] .footer-brand .brand-badge-icon{fill:#fff}.brand-name{font-size:1.12rem;font-weight:750;color:var(--text-main);letter-spacing:-.2px}.brand-tag{font-size:.72rem;color:var(--primary);background:var(--primary-subtle);padding:2px 6px;border-radius:var(--radius-sm);font-weight:600;margin-left:6px}.nav-links{display:flex;align-items:center;gap:32px}.nav-link{font-size:.93rem;font-weight:500;color:var(--text-secondary);padding:6px 0;transition:color var(--transition);position:relative}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--primary);border-radius:2px}.nav-actions{display:flex;align-items:center;gap:12px}.theme-toggle{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border);color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.theme-toggle:hover{color:var(--primary);border-color:var(--border-hover);background:var(--bg-card);transform:translateY(-1px)}.theme-toggle svg{width:19px;height:19px;transition:transform .3s cubic-bezier(.34,1.56,.64,1),color var(--transition)}.theme-toggle:hover svg{transform:rotate(20deg) scale(1.08)}:root .theme-toggle .sun-icon,[data-theme=light] .theme-toggle .sun-icon{display:none}:root .theme-toggle .moon-icon,[data-theme=light] .theme-toggle .moon-icon{display:block}[data-theme=dark] .theme-toggle .sun-icon{display:block;color:#fbbf24}[data-theme=dark] .theme-toggle .moon-icon{display:none}.mobile-toggle{display:none;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-main);width:38px;height:38px;align-items:center;justify-content:center;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition)}.mobile-toggle:hover{border-color:var(--border-hover);background:var(--bg-card)}.mobile-toggle svg{width:22px;height:22px}.mobile-nav-drawer{position:fixed;top:0;right:-100%;width:290px;max-width:82vw;height:100vh;background:var(--bg-card);box-shadow:-10px 0 30px #00000040;z-index:1100;display:flex;flex-direction:column;padding:24px 20px;transition:right .3s cubic-bezier(.16,1,.3,1);border-left:1px solid var(--border)}.mobile-nav-drawer.open{right:0}.mobile-nav-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border);margin-bottom:18px}.mobile-theme-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px;font-size:.88rem;color:var(--text-secondary)}.mobile-theme-label{display:flex;align-items:center;gap:8px;font-weight:600}.mobile-nav-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center}.mobile-nav-links{display:flex;flex-direction:column;gap:8px}.mobile-nav-links .nav-link{font-size:1rem;font-weight:500;padding:10px 14px;border-radius:var(--radius-md);color:var(--text-secondary)}.mobile-nav-links .nav-link.active{background:var(--primary-subtle);color:var(--primary);font-weight:600}.mobile-nav-cta{margin-top:auto;padding-top:20px;border-top:1px solid var(--border)}.drawer-overlay{position:fixed;inset:0;background:#0f172a66;backdrop-filter:blur(4px);z-index:1050;opacity:0;pointer-events:none;transition:opacity .25s ease}.drawer-overlay.active{opacity:1;pointer-events:auto}.hero-section{padding-top:calc(var(--header-height) + 55px);padding-bottom:60px;text-align:center;position:relative}.badge-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-full);background:var(--primary-subtle);border:1px solid var(--primary-border);color:var(--primary);font-size:.85rem;font-weight:600;margin-bottom:24px}.badge-tag span.dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);display:inline-block;box-shadow:0 0 6px var(--emerald)}.hero-title{font-size:clamp(2.2rem,4.4vw,3.4rem);font-weight:800;line-height:1.25;color:var(--text-main);margin-bottom:20px;letter-spacing:-.6px}.hero-subtitle{font-size:clamp(1.05rem,1.8vw,1.18rem);color:var(--text-muted);max-width:740px;margin:0 auto 36px;line-height:1.75}.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.principles-bar{margin-top:55px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;box-shadow:var(--shadow-md);transition:all var(--transition)}.principle-item{text-align:center;padding:12px 14px;border-right:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition)}.principle-item:hover{background:var(--bg-surface);transform:translateY(-2px)}.principle-item:last-child{border-right:none}.principle-stat{font-size:1.7rem;font-weight:850;line-height:1.1;color:var(--primary);margin-bottom:6px;letter-spacing:-.5px;font-feature-settings:"tnum"}.principle-title{font-size:1.02rem;font-weight:750;color:var(--text-main);margin-bottom:4px}.principle-desc{font-size:.85rem;color:var(--text-muted);line-height:1.5}.section{padding:80px 0}.section-alt{background:var(--bg-surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-header{text-align:center;max-width:680px;margin:0 auto 52px}.section-tag{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary);margin-bottom:10px}.section-title{font-size:clamp(1.8rem,3vw,2.3rem);font-weight:800;color:var(--text-main);line-height:1.3;margin-bottom:14px;letter-spacing:-.4px}.section-description{font-size:1.02rem;color:var(--text-muted);line-height:1.65}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:26px}.grid-cards-4{grid-template-columns:repeat(2,1fr)}@media (max-width: 860px){.grid-cards-4{grid-template-columns:1fr}}.card-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:all var(--transition);display:flex;flex-direction:column;box-shadow:var(--shadow-sm);position:relative}.card-item:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.card-badge{display:inline-block;font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:var(--radius-full);background:var(--badge-blue-bg);color:var(--badge-blue-text);border:1px solid var(--badge-blue-border);margin-bottom:18px;width:fit-content;transition:all var(--transition)}.card-badge.badge-blue{background:var(--badge-blue-bg);color:var(--badge-blue-text);border-color:var(--badge-blue-border)}.card-badge.badge-purple{background:var(--badge-purple-bg);color:var(--badge-purple-text);border-color:var(--badge-purple-border)}.card-badge.badge-cyan{background:var(--badge-cyan-bg);color:var(--badge-cyan-text);border-color:var(--badge-cyan-border)}.card-badge.badge-amber{background:var(--badge-amber-bg);color:var(--badge-amber-text);border-color:var(--badge-amber-border)}.card-badge.badge-emerald{background:var(--badge-emerald-bg);color:var(--badge-emerald-text);border-color:var(--badge-emerald-border)}.card-title{font-size:1.25rem;font-weight:750;color:var(--text-main);margin-bottom:12px;line-height:1.35}.card-desc{font-size:.94rem;color:var(--text-muted);line-height:1.7;margin-bottom:18px;flex-grow:1}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}.tag-pill{font-size:.76rem;font-weight:600;padding:2px 9px;border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border);color:var(--text-muted);transition:all var(--transition)}.card-item:hover .tag-pill{border-color:var(--primary-border);color:var(--text-secondary)}.card-footer-link{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:650;color:var(--primary);margin-top:16px;transition:gap var(--transition)}.card-footer-link:hover{color:var(--primary-hover);gap:9px}.card-footer-link svg{width:15px;height:15px}.card-list{border-top:1px solid var(--border);padding-top:18px;margin-top:auto}.card-list li{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--text-secondary);margin-bottom:10px}.card-list li svg{width:16px;height:16px;color:var(--emerald);flex-shrink:0}.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.flow-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;box-shadow:var(--shadow-sm);transition:all var(--transition)}.flow-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.flow-step{display:inline-block;font-size:.76rem;font-weight:750;color:var(--primary);background:var(--primary-subtle);padding:3px 10px;border-radius:var(--radius-sm);margin-bottom:16px}.flow-title{font-size:1.15rem;font-weight:750;color:var(--text-main);margin-bottom:10px}.flow-desc{font-size:.9rem;color:var(--text-muted);line-height:1.65}.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);transition:border-color var(--transition),box-shadow var(--transition);overflow:hidden}.faq-item:hover{border-color:var(--border-hover)}.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-sm)}.faq-trigger{width:100%;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;background:transparent;border:none;font-size:1.02rem;font-weight:700;color:var(--text-main);cursor:pointer;text-align:left}.faq-icon{width:18px;height:18px;color:var(--text-muted);transition:transform var(--transition);flex-shrink:0;margin-left:12px}.faq-item.active .faq-icon{transform:rotate(180deg);color:var(--primary)}.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition),padding var(--transition);padding:0 24px;font-size:.94rem;color:var(--text-muted);line-height:1.7}.faq-item.active .faq-answer{max-height:300px;padding-bottom:20px}.cta-box{position:relative;background:var(--cta-bg);border:1px solid var(--cta-border);box-shadow:var(--cta-shadow);border-radius:var(--radius-xl);padding:56px 40px;text-align:center;max-width:840px;margin:0 auto;overflow:hidden;color:var(--cta-title);transition:all var(--transition)}.cta-box:before{content:"";position:absolute;top:0;left:20%;right:20%;height:1px;background:var(--cta-top-glow)}.cta-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;background:var(--cta-badge-bg);border:1px solid var(--cta-badge-border);border-radius:var(--radius-full);font-size:.82rem;font-weight:600;color:var(--cta-badge-text);margin-bottom:22px;transition:all var(--transition)}.cta-badge .pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--cta-badge-dot);box-shadow:0 0 8px var(--cta-badge-dot)}.cta-title{font-size:clamp(1.7rem,2.9vw,2.3rem);font-weight:800;color:var(--cta-title);letter-spacing:-.5px;margin-bottom:14px;line-height:1.3;transition:color var(--transition)}.cta-subtitle{font-size:1.02rem;color:var(--cta-subtitle);max-width:600px;margin:0 auto 32px;line-height:1.7;transition:color var(--transition)}.cta-actions{display:flex;justify-content:center;margin-bottom:24px}.cta-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 34px;font-size:1rem;font-weight:650;background:var(--cta-btn-bg);color:var(--cta-btn-text);border-color:var(--cta-btn-border);border-radius:var(--radius-md);box-shadow:var(--cta-btn-shadow);transition:all var(--transition)}.cta-btn:hover{background:var(--cta-btn-hover);border-color:var(--cta-btn-hover);color:var(--cta-btn-text);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.cta-btn svg{transition:transform .2s ease}.cta-btn:hover svg{transform:translate(4px)}.cta-meta{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;font-size:.88rem;color:var(--cta-meta-text);padding-top:18px;border-top:1px solid var(--cta-meta-border);transition:all var(--transition)}.cta-meta-item{display:inline-flex;align-items:center;gap:6px}.cta-meta-item svg{width:15px;height:15px;color:var(--cta-badge-dot)}.cta-meta-item a{color:var(--cta-meta-link);text-decoration:none;font-weight:600;transition:color var(--transition)}.cta-meta-item a:hover{text-decoration:underline}.cta-meta-divider{color:var(--cta-meta-border)}.site-footer{background:var(--footer-bg);border-top:1px solid var(--footer-border);padding:64px 0 28px;font-size:.9rem;color:var(--footer-link);transition:background var(--transition),border-color var(--transition)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:48px}.footer-brand .brand-name{color:var(--footer-brand-title);transition:color var(--transition)}.footer-brand p{color:var(--footer-brand-desc);margin-top:14px;line-height:1.65;max-width:320px;font-size:.88rem;transition:color var(--transition)}.footer-col h4{font-size:.95rem;font-weight:750;color:var(--footer-heading);margin-bottom:16px;transition:color var(--transition)}.footer-col ul{display:flex;flex-direction:column;gap:10px}.footer-col ul li a{color:var(--footer-link);font-size:.88rem;transition:color var(--transition)}.footer-col ul li a:hover{color:var(--footer-link-hover)}.footer-contact-item{display:flex;align-items:flex-start;gap:10px;color:var(--footer-link);margin-bottom:10px;font-size:.88rem;transition:color var(--transition)}.footer-contact-item svg{width:16px;height:16px;color:var(--footer-icon);margin-top:3px;flex-shrink:0}.footer-bottom{padding-top:24px;border-top:1px solid var(--footer-bottom-border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--footer-bottom-text);font-size:.84rem;transition:border-color var(--transition),color var(--transition)}.footer-bottom a{color:var(--footer-bottom-link);transition:color var(--transition)}.footer-bottom a:hover{color:var(--footer-bottom-link-hover)}.back-top-btn{position:fixed;bottom:28px;right:28px;width:44px;height:44px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-md);color:var(--text-main);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:all var(--transition);z-index:999}.back-top-btn.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.back-top-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}.back-top-btn svg{width:18px;height:18px}.page-header{padding-top:calc(var(--header-height) + 40px);padding-bottom:44px;text-align:center}.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:.88rem;color:var(--text-muted);margin-bottom:16px}.breadcrumb a{color:var(--text-muted);transition:color var(--transition)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb-separator{color:#94a3b8;font-weight:500;user-select:none}.breadcrumb-current{color:var(--text-secondary);font-weight:600}.error-page{padding-top:calc(var(--header-height) + 60px);padding-bottom:90px;min-height:calc(100vh - 220px);display:flex;align-items:center;justify-content:center;text-align:center}.error-code{font-size:clamp(5.5rem,13vw,8.5rem);font-weight:900;line-height:1;letter-spacing:-3px;background:linear-gradient(135deg,var(--primary) 0%,#0284c7 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px}.error-title{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:800;color:var(--text-main);margin-bottom:14px;letter-spacing:-.5px}.error-desc{max-width:520px;margin:0 auto 20px;font-size:1.02rem;line-height:1.7}.countdown-box{margin:0 auto 32px}.countdown-pill{display:inline-flex;align-items:center;gap:8px;background:var(--bg-card);padding:8px 18px;border-radius:99px;border:1px solid var(--border-color);font-size:.95rem;color:var(--text-muted)}.countdown-num{color:var(--primary);font-size:1.15rem;font-weight:700}.cancel-countdown-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;text-decoration:underline;font-size:.85rem;padding:0 4px}.error-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.feature-scope-title{font-size:.86rem;font-weight:750;color:var(--text-main);margin-bottom:10px}.sitemap-link{font-weight:700;color:var(--primary);text-decoration:none}.sitemap-link:hover{text-decoration:underline}.card-item-title{color:var(--text-main);font-size:1.05rem;margin-bottom:8px}.info-highlight{color:var(--primary);font-weight:700;font-size:1.05rem}.info-strong{color:var(--text-main);font-weight:600}.trust-box-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.trust-box-dot{width:8px;height:8px;border-radius:50%;background:var(--badge-emerald-text, #059669)}.trust-box-title{color:var(--text-main);font-weight:750;font-size:.95rem}.trust-box-desc{font-size:.88rem;line-height:1.65;margin:0;color:var(--text-secondary)}.contact-section-title{font-size:1.35rem;font-weight:700;color:var(--text-main);margin-bottom:10px}.form-disclaimer{font-size:.8rem;color:var(--text-muted);margin-bottom:20px}.brand-origin-card{max-width:680px;margin:24px auto 0;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:left;box-shadow:var(--shadow-sm)}.brand-origin-quote{display:block;font-size:1.02rem;font-weight:700;color:var(--primary);margin-bottom:8px;letter-spacing:.2px}.brand-origin-desc{font-size:.9rem;line-height:1.68;color:var(--text-secondary);margin:0}.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media (max-width: 1080px){.values-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.values-grid{grid-template-columns:1fr}}.trust-box{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}.contact-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:36px}.contact-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px 32px;box-shadow:var(--shadow-md)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.9rem;font-weight:600;color:var(--text-main);margin-bottom:6px}.form-control{width:100%;padding:12px 16px;background:var(--input-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-main);font-size:.94rem;transition:all var(--transition);outline:none}.form-control::placeholder{color:var(--input-placeholder);opacity:1}.form-control:focus{background:var(--input-bg-focus);border-color:var(--border-focus);box-shadow:0 0 0 3px #2563eb26}[data-theme=dark] .form-control:focus{box-shadow:0 0 0 3px #3b82f640}select.form-control option{background:var(--bg-card);color:var(--text-main)}textarea.form-control{resize:vertical;min-height:110px}.form-feedback-msg{margin-top:20px;padding:14px 20px;background:var(--feedback-success-bg);border:1px solid var(--feedback-success-border);border-radius:var(--radius-md);color:var(--feedback-success-text);font-size:.92rem;text-align:center;font-weight:600;box-shadow:0 2px 10px #10b9811f;transition:all var(--transition)}.contact-info-panel{display:flex;flex-direction:column;gap:18px}.info-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;display:flex;align-items:flex-start;gap:16px;box-shadow:var(--shadow-sm)}.info-icon{width:42px;height:42px;border-radius:var(--radius-md);background:var(--primary-subtle);border:1px solid var(--primary-border);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}.info-icon svg{width:22px;height:22px}.info-text h4{font-size:1.05rem;font-weight:750;color:var(--text-main);margin-bottom:4px}.info-text p{font-size:.9rem;color:var(--text-muted);line-height:1.6}.timeline{max-width:720px;margin:0 auto;position:relative;padding:10px 0 10px 32px;border-left:2px solid var(--timeline-line);transition:border-color var(--transition)}.timeline-item{position:relative;margin-bottom:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 26px;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.timeline-item:last-child{margin-bottom:0}.timeline-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary)}.timeline-item:before{content:"";position:absolute;left:-40px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid var(--bg-body);box-shadow:0 0 0 2px var(--primary);transition:border-color var(--transition)}.timeline-year{font-size:.82rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.timeline-title{font-size:1.15rem;font-weight:750;color:var(--text-main);margin-bottom:8px}@media (max-width: 992px){.principles-bar{grid-template-columns:repeat(2,1fr)}.principle-item{border-right:none;border-bottom:1px solid var(--border)}.principle-item:nth-child(3),.principle-item:nth-child(4){border-bottom:none}.flow-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.contact-grid{grid-template-columns:1fr}}@media (max-width: 768px){.nav-links,.nav-actions .btn{display:none}.mobile-toggle{display:flex}.section{padding:55px 0}.principles-bar{grid-template-columns:1fr;padding:18px}.principle-item{border-right:none;border-bottom:1px solid var(--border);padding:12px 6px}.principle-item:last-child{border-bottom:none}.flow-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column;text-align:center}.cta-box{padding:38px 22px}}