:root{--space-black: #000000;--space-deep: #000814;--spectral-white: #f0f0fa;--accent-gold: rgba(210, 180, 120, .9);--accent-gold-subtle: rgba(210, 180, 120, .3);--ghost-surface: rgba(240, 240, 250, .08);--ghost-border: rgba(240, 240, 250, .35);--ghost-hover: rgba(240, 240, 250, .18);--card-surface: rgba(240, 240, 250, .07);--card-border: rgba(240, 240, 250, .13);--dark-overlay: rgba(0, 0, 0, .6);--dark-overlay-heavy: rgba(0, 0, 0, .82);--font-display: "Chakra Petch", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;--font-body: "Chakra Petch", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;--space-xs: 3px;--space-sm: 5px;--space-md: 12px;--space-lg: 18px;--space-xl: 24px;--space-2xl: 30px;--space-3xl: 40px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--space-black);color:var(--spectral-white);font-family:var(--font-body);font-size:16px;font-weight:400;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--spectral-white);text-decoration:none;transition:opacity .3s ease}a:hover{opacity:1}.type-hero{font-family:var(--font-display);font-size:3rem;font-weight:700;line-height:1.1;letter-spacing:.02em;color:var(--spectral-white)}.type-section-title{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;line-height:1.2;letter-spacing:.02em;color:var(--spectral-white)}.type-body{font-family:var(--font-body);font-size:1rem;font-weight:400;line-height:1.7;color:var(--spectral-white)}.type-nav-bold{font-family:var(--font-body);font-size:.81rem;font-weight:700;line-height:1;letter-spacing:.05em;text-transform:uppercase;color:var(--spectral-white)}.type-nav{font-family:var(--font-body);font-size:.75rem;font-weight:400;line-height:2;text-transform:uppercase;color:var(--spectral-white)}.type-caption-bold{font-family:var(--font-body);font-size:.81rem;font-weight:700;line-height:1;letter-spacing:.05em;text-transform:uppercase;color:var(--spectral-white)}.type-caption{font-family:var(--font-body);font-size:.75rem;font-weight:400;line-height:1;text-transform:uppercase;color:var(--spectral-white)}.type-micro{font-family:var(--font-body);font-size:.625rem;font-weight:400;line-height:1;letter-spacing:.1em;text-transform:uppercase;color:var(--spectral-white)}.type-data{font-family:var(--font-display);font-size:clamp(2.5rem,6vw,5rem);font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--accent-gold)}.ghost-btn{display:inline-block;background:var(--ghost-surface);color:var(--spectral-white);padding:18px 32px;border-radius:32px;border:1px solid var(--ghost-border);font-family:var(--font-body);font-size:.81rem;font-weight:700;letter-spacing:.05em;cursor:pointer;transition:background .3s ease,border-color .3s ease,transform .2s ease;text-decoration:none;line-height:1;white-space:nowrap}.ghost-btn:hover{background:var(--ghost-hover);border-color:var(--spectral-white);transform:translateY(-1px)}.ghost-btn--small{padding:12px 24px;font-size:.75rem}.ghost-btn--large{padding:22px 48px;font-size:.9rem}.ghost-btn--primary{background:#f0f0fa26;border-color:var(--spectral-white)}.ghost-btn--primary:hover{background:#f0f0fa40}.snap-container{height:100vh;overflow-y:scroll;scroll-snap-type:y mandatory;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}.snap-container::-webkit-scrollbar{display:none}.scene{position:relative;width:100%;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:var(--space-black)}.snap-container .scene{scroll-snap-align:start;flex-shrink:0}.scene__bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;z-index:0}.scene__overlay{position:absolute;inset:0;background:linear-gradient(to top,#00000ef2,#000000a6 40%,#00000059);z-index:1}.scene__overlay--heavy{position:absolute;inset:0;background:#00000ed1;z-index:1}.scene__content{position:relative;z-index:2;padding:var(--space-3xl);max-width:1000px;width:100%}.scene__content--left{align-self:flex-end;margin-right:auto;padding-left:60px;padding-bottom:100px}.scene__content--center{text-align:center;display:flex;flex-direction:column;align-items:center}.scene__content--full{max-width:100%;padding:60px}.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translate(-50%);z-index:10;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px}.scroll-indicator__text{font-size:.55rem;letter-spacing:.15em;text-transform:uppercase;color:#f0f0fa66;font-family:var(--font-body)}.scroll-indicator__arrow{width:20px;height:20px;border-right:1px solid rgba(240,240,250,.4);border-bottom:1px solid rgba(240,240,250,.4);transform:rotate(45deg) translate(-50%);transform-origin:center;animation:bounce-arrow 2s ease-in-out infinite}@keyframes bounce-arrow{0%,to{transform:rotate(45deg) translateY(0);opacity:.4}50%{transform:rotate(45deg) translateY(5px);opacity:.9}}.thin-card{background:var(--card-surface);border:1px solid var(--card-border);border-radius:4px;padding:32px 28px;transition:border-color .3s ease,background .3s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.thin-card:hover{border-color:#f0f0fa47;background:#f0f0fa1a}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;width:100%}.card-grid--2{grid-template-columns:repeat(2,1fr)}.trust-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:center}.trust-badge{font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:#f0f0fa59;font-family:var(--font-body);padding:6px 16px;border:1px solid rgba(240,240,250,.1);border-radius:2px}.trust-divider{width:1px;height:12px;background:#f0f0fa26}.data-card{background:var(--card-surface);border:1px solid var(--card-border);border-top:1px solid var(--accent-gold-subtle);border-radius:4px;padding:40px 32px;text-align:center}.float-wechat{position:fixed;bottom:32px;right:32px;z-index:9999;display:flex;flex-direction:column;align-items:center;gap:8px}.float-wechat__btn{width:56px;height:56px;border-radius:50%;background:#f0f0fa1a;border:1px solid rgba(240,240,250,.3);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .3s ease,transform .2s ease;animation:pulse 2.5s ease-in-out infinite}.float-wechat__btn:hover{background:#f0f0fa33;transform:scale(1.05)}.float-wechat__label{font-size:.5rem;letter-spacing:.1em;text-transform:uppercase;color:#f0f0fa80;font-family:var(--font-body);white-space:nowrap}.dot-nav{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:500;display:flex;flex-direction:column;gap:10px}.dot-nav__dot{width:5px;height:5px;border-radius:50%;background:#f0f0fa40;cursor:pointer;transition:background .3s ease,transform .3s ease}.dot-nav__dot--active{background:var(--spectral-white);transform:scale(1.4)}.section-label{display:flex;align-items:center;gap:16px;margin-bottom:40px}.section-label__line{width:40px;height:1px;background:#f0f0fa4d}.section-label__text{font-size:.6rem;letter-spacing:.15em;text-transform:uppercase;color:#f0f0fa66;font-family:var(--font-body)}.btn-group{display:flex;gap:16px;flex-wrap:wrap;align-items:center}input,textarea,select{background:transparent;color:var(--spectral-white);border:none;border-bottom:1px solid var(--ghost-border);padding:15px 0;font-family:var(--font-body);font-size:.875rem;letter-spacing:.02em;outline:none;width:100%;transition:border-color .3s ease}input:focus,textarea:focus,select:focus{border-bottom-color:var(--spectral-white)}input::placeholder,textarea::placeholder{color:#f0f0fa59;letter-spacing:.02em}select option{background:var(--space-black);color:var(--spectral-white)}label{display:block;margin-bottom:var(--space-sm);font-size:.625rem;font-weight:400;letter-spacing:.1em;text-transform:uppercase;color:#f0f0fa80}::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:var(--space-black)}::-webkit-scrollbar-thumb{background:#f0f0fa1f;border-radius:2px}::-webkit-scrollbar-thumb:hover{background:#f0f0fa40}button{cursor:pointer;border:none;font-family:inherit;background:transparent}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--spectral-white);margin-right:8px;vertical-align:middle}.divider{width:100%;height:1px;background:#f0f0fa14;margin:var(--space-xl) 0}table{width:100%;border-collapse:collapse}th{font-size:.625rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#f0f0fa80;text-align:left;padding:15px 12px;border-bottom:1px solid rgba(240,240,250,.15)}td{font-size:.75rem;letter-spacing:.02em;color:var(--spectral-white);padding:15px 12px;border-bottom:1px solid rgba(240,240,250,.05)}.page-dark{min-height:100vh;background:var(--space-black);padding:120px 40px 80px}.page-dark__inner{max-width:900px;margin:0 auto}.markdown-content h1{font-size:2rem;font-weight:700;margin-top:40px;margin-bottom:20px;letter-spacing:.02em;color:var(--spectral-white)}.markdown-content h2{font-size:1.5rem;font-weight:700;margin-top:30px;margin-bottom:15px;color:var(--spectral-white)}.markdown-content h3{font-size:1.125rem;font-weight:700;margin-top:25px;margin-bottom:10px}.markdown-content p{line-height:1.7;color:#f0f0fab3;margin-bottom:20px;font-size:.875rem}.markdown-content ul{margin-left:20px;margin-bottom:20px;color:#f0f0fab3}.markdown-content li{margin-bottom:10px}.markdown-content strong{color:var(--spectral-white)}.markdown-content a{color:var(--spectral-white);border-bottom:1px solid var(--ghost-border)}.progress-track{width:100%;height:2px;background:#f0f0fa1a;border-radius:1px;overflow:hidden}.progress-fill{height:100%;background:var(--spectral-white);transition:width .6s ease}@keyframes spin{to{transform:rotate(360deg)}}.loading-ring{width:40px;height:40px;border:2px solid rgba(240,240,250,.1);border-top-color:var(--spectral-white);border-radius:50%;animation:spin 1s linear infinite}@media(max-width:600px){.type-hero{font-size:1.8rem}.type-section-title{font-size:1.4rem}.scene__content--left{padding-left:24px;padding-bottom:60px}.scene__content,.scene__content--full{padding:24px}.ghost-btn{padding:14px 24px;font-size:.75rem}.ghost-btn--large{padding:16px 28px;font-size:.8rem}.card-grid{grid-template-columns:1fr;gap:16px}.card-grid--2{grid-template-columns:1fr}.hide-mobile{display:none!important}.dot-nav{display:none}.float-wechat{bottom:20px;right:16px}.btn-group{flex-direction:column;align-items:flex-start}}@media(min-width:600px)and (max-width:960px){.type-hero{font-size:2.2rem}.card-grid{grid-template-columns:repeat(2,1fr)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slowZoom{0%{transform:scale(1)}to{transform:scale(1.08)}}@keyframes fadeOnly{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes progressSweep{0%{transform:translate(-100%)}to{transform:translate(200%)}}@keyframes bounce{0%,to{transform:translateY(0) translate(-50%);opacity:.6}50%{transform:translateY(10px) translate(-50%);opacity:1}}@keyframes pulse{0%,to{box-shadow:0 0 #f0f0fa1a}50%{box-shadow:0 0 0 8px #f0f0fa00}}@keyframes shimmer{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.animate-fade-in{animation:fadeIn .8s ease-out forwards}.animate-fade-in-delay{animation:fadeIn .8s ease-out .3s forwards;opacity:0}.animate-fade-in-delay-2{animation:fadeIn .8s ease-out .6s forwards;opacity:0}.animate-fade-in-delay-3{animation:fadeIn .8s ease-out .9s forwards;opacity:0}.animate-slow-zoom{animation:slowZoom 20s ease-out forwards}.animate-slide-left{animation:slideInLeft .8s ease-out forwards}.animate-fade-only{animation:fadeOnly 1.2s ease-out forwards}.animate-bounce{animation:bounce 2s ease-in-out infinite}.animate-pulse{animation:pulse 2.5s ease-in-out infinite}