:root{font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;color:#1b2536;background:#fff;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{max-width:1120px;margin:0 auto;padding-left:28px;padding-right:28px}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;gap:10px;align-items:center;font-weight:760;letter-spacing:-.03em}.brand-mark{width:29px;height:29px;display:block;flex:0 0 auto;overflow:hidden;border-radius:8px;background:transparent}.brand-mark img{display:block;width:100%;height:100%;object-fit:cover}.site-header nav{display:flex;gap:30px;color:#5f6979;font-size:14px}.admin-link{font-size:14px;border:1px solid #dce1e8;padding:9px 13px;border-radius:9px;color:#485366}.hero{padding-top:76px;padding-bottom:100px;display:flex;align-items:center;gap:80px}.hero-copy{max-width:655px}.eyebrow{font-weight:750;color:#ef5939;letter-spacing:.12em;font-size:11px;margin:0 0 16px}.hero h1,.section h2,.admin-title h1,.login-card h1{font-size:clamp(40px,5vw,68px);line-height:1.08;letter-spacing:-.065em;margin:0 0 22px}.hero-copy>p:not(.eyebrow):not(.trust-note){font-size:18px;line-height:1.75;color:#657082;max-width:580px;margin-bottom:30px}.primary-button{border:0;background:#f05234;color:#fff;padding:13px 18px;border-radius:9px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:12px}.trust-note{font-size:12px;color:#8892a2;margin-top:16px}.hero-orbit{width:265px;height:265px;position:relative;flex:0 0 auto;border:1px solid #f3d6ce;border-radius:50%;background:radial-gradient(circle at center,#fff7e8 0 28%,transparent 29%)}.orbit-core{position:absolute;top:72px;right:72px;bottom:72px;left:72px;border-radius:50%;overflow:hidden;background:transparent;display:grid;place-items:center;box-shadow:0 20px 45px #efc974}.orbit-core img{display:block;width:100%;height:100%;object-fit:cover}.hero-orbit i,.hero-orbit b,.hero-orbit em{position:absolute;width:12px;height:12px;border-radius:50%;background:#f9a08c}.hero-orbit i{top:31px;left:58px}.hero-orbit b{right:21px;top:116px;background:#263a59}.hero-orbit em{left:44px;bottom:30px;width:8px;height:8px;background:#edcb51}.section{padding-top:78px;padding-bottom:88px}.section-tint{background:#f7f8fa}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-heading h2{font-size:38px;line-height:1.1;margin:0;letter-spacing:-.055em}.section-heading>p{max-width:265px;color:#788293;line-height:1.6;font-size:14px;margin:0}.notice{border-radius:8px;background:#fff4e9;color:#96551d;padding:12px 14px;font-size:14px}.download-grid,.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.download-card,.tutorial-card,.admin-card{border:1px solid #e4e7ec;border-radius:15px;background:#fff;padding:27px;position:relative}.download-card.recommended{border:2px solid #f26345;box-shadow:0 13px 34px #f8dfd9}.recommended-badge{position:absolute;right:16px;top:15px;background:#fff0ec;color:#df4f31;padding:5px 8px;border-radius:6px;font-size:11px;font-weight:700}.platform-icon{font-size:27px;color:#f05234;margin-bottom:22px}.download-card h3,.tutorial-card h3{font-size:18px;margin:0 0 10px;letter-spacing:-.03em}.download-card p,.tutorial-card p{font-size:13px;color:#6f7989;line-height:1.6;min-height:38px}.download-button{width:100%;margin:12px 0;background:#1f2e45;color:#fff;border:0;border-radius:8px;padding:11px 8px;font-size:13px;font-weight:650;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.download-button.disabled{background:#d8dde5;cursor:not-allowed}.download-card small{color:#8b95a5;font-size:11px;line-height:1.5;display:block}.muted{color:#8a94a3;font-size:14px}.tutorial-card span{font-size:12px;color:#ef5939;font-weight:800;letter-spacing:.1em}.tutorial-card a{font-size:13px;color:#eb5234;font-weight:700}.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.faq h2{font-size:38px;line-height:1.14;margin:0;letter-spacing:-.05em}.faq details{border-top:1px solid #e7e9ee;padding:18px 0}.faq details:last-child{border-bottom:1px solid #e7e9ee}.faq summary{cursor:pointer;font-weight:700;font-size:15px}.faq details p{line-height:1.7;color:#697385;font-size:14px;margin:13px 0 0}.site-footer{background:#1d2d45;color:#dce3ed;padding:28px 0}.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;font-size:13px}.site-footer a{color:#f6a18e}.admin-shell{min-height:100vh;background:#f5f7fa;padding-bottom:64px}.admin-header{height:66px;background:#fff;border-bottom:1px solid #e5e8ed;padding:0 max(28px,calc((100vw - 1120px)/2));display:flex;justify-content:space-between;align-items:center;font-size:14px;color:#566175}.admin-content,.login-card{max-width:1120px;margin:0 auto;padding:45px 28px}.login-card{max-width:465px;margin-top:8vh;background:#fff;border:1px solid #e5e8ed;border-radius:16px}.login-card h1{font-size:36px}.login-card>p:not(.eyebrow){color:#748092;line-height:1.65}.admin-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.admin-title h1{font-size:40px;margin:0}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-card h2{font-size:20px;margin:0 0 18px}.admin-card form,.login-card form,.tutorial-form{display:grid;gap:14px}.admin-card label,.login-card label{font-size:13px;color:#526071;display:grid;gap:7px}input,textarea,select{border:1px solid #d8dee8;border-radius:8px;padding:10px 11px;color:#202b3c;background:#fff;outline-color:#ef5939}textarea{resize:vertical}.form-error,.form-notice{padding:12px 14px;border-radius:9px;font-size:14px}.form-error{background:#fff0ef;color:#bd392b}.form-notice{background:#ecf8ef;color:#267644}.card-hint{margin:-7px 0 16px;color:#778293;font-size:13px;line-height:1.5}.release-list{margin:21px 0 0;padding:0;list-style:none;border-top:1px solid #eceff3}.release-list li{padding:12px 0;display:grid;grid-template-columns:1fr auto;gap:4px;font-size:13px;border-bottom:1px solid #eceff3}.release-list span{color:#7a8493}.release-list a{grid-row:1/3;grid-column:2;color:#e95334}.tutorial-admin{margin-top:18px}.card-row,.tutorial-admin-list article{display:flex;justify-content:space-between;gap:20px;align-items:start}.tutorial-admin-list{border-top:1px solid #eceff3}.tutorial-admin-list article{padding:15px 0;border-bottom:1px solid #eceff3}.tutorial-admin-list strong{font-size:14px}.tutorial-admin-list p{color:#758092;font-size:13px;margin:7px 0 0;line-height:1.5}.text-button,.danger-button{border:0;background:transparent;cursor:pointer;font-size:13px;padding:5px;color:#4f5d72}.danger-button{color:#d44939}.tutorial-form{margin-top:23px;padding-top:23px;border-top:1px solid #eceff3}.tutorial-form h3{margin:0;font-size:15px}.tutorial-form label{font-size:13px;color:#526071;display:grid;gap:7px}@media(max-width:760px){.wrap{padding-left:20px;padding-right:20px}.site-header nav{display:none}.hero{padding:52px 20px 66px;display:block}.hero-orbit{display:none}.download-grid,.tutorial-grid,.admin-grid,.faq{grid-template-columns:1fr}.section-heading{display:block}.section-heading>p{margin-top:13px}.faq{gap:35px}.site-footer .wrap{gap:15px;align-items:start;flex-direction:column}.admin-content{padding:30px 18px}.admin-header{padding:0 18px}.admin-title{align-items:start;gap:16px}.admin-title h1{font-size:32px}}.guide-group-advanced{margin-top:72px;padding-top:68px;border-top:1px solid #e1e5eb}.recommended-badge{right:14px;top:13px;padding:8px 12px;border-radius:999px;background:#f05234;color:#fff;font-size:12px;font-weight:800;box-shadow:0 7px 18px #f0523447}.download-button{transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.download-card.recommended .download-button:not(.disabled){background:#f05234;box-shadow:0 8px 20px #f052343d}.download-card.recommended .download-button:not(.disabled):hover{background:#df472b;transform:translateY(-1px);box-shadow:0 10px 24px #f0523452}.hero-copy{max-width:720px}.hero{justify-content:space-between;gap:48px}.hero-title{margin-bottom:0!important}.hero-title-main{display:block;white-space:nowrap;font-size:clamp(42px,3.7vw,56px);line-height:1.14;letter-spacing:-.055em}.hero-title small{display:block;margin-top:13px;color:#d9583d;font-size:clamp(17px,1.7vw,23px);font-weight:720;line-height:1.35;letter-spacing:.06em}.hero-title+.primary-button{margin-top:32px}.hero-copy>.hero-description{max-width:620px;margin-top:15px;color:#778293;font-size:14px;line-height:1.6}.faq-guide-link{display:inline-flex;align-items:center;margin-top:12px;color:#e95a3b;font-size:14px;font-weight:720;padding:0;border:0;background:transparent;cursor:pointer;transition:color .16s ease,transform .16s ease}.faq-guide-link:hover{color:#c9452c;transform:translate(2px)}.tutorial-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;min-height:30px}.tutorial-actions .faq-guide-link{margin-top:0}.guide-image-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:grid;place-items:center;padding:24px;background:#141f30ad;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.guide-image-panel{display:flex;flex-direction:column;width:min(900px,100%);max-height:calc(100vh - 48px);overflow:hidden;border:1px solid rgba(255,255,255,.7);border-radius:18px;background:#f6f8fb;box-shadow:0 28px 90px #0c172752}.guide-image-header{display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;gap:20px;padding:17px 20px;border-bottom:1px solid #e3e7ed;background:#fffffff5}.guide-image-header p{margin:0 0 3px;color:#e95a3b;font-size:10px;font-weight:800;letter-spacing:.12em}.guide-image-header h2{margin:0;color:#1f2e45;font-size:17px;letter-spacing:-.02em}.guide-image-actions{display:flex;align-items:center;gap:10px}.guide-image-actions a{padding:9px 13px;border-radius:8px;background:#e95a3b;color:#fff;font-size:13px;font-weight:720}.guide-image-actions button{width:36px;height:36px;padding:0;border:1px solid #dfe4eb;border-radius:50%;background:#fff;color:#536072;font-size:23px;line-height:1;cursor:pointer}.guide-image-actions .guide-image-save{width:auto;height:auto;padding:9px 13px;border:0;border-radius:8px;background:#e95a3b;color:#fff;font-size:13px;font-weight:720;line-height:normal}.tutorial-image-status{display:inline-block;margin-top:8px;color:#df5739;font-size:12px;font-weight:700}.tutorial-image-field{display:grid;gap:10px;padding:14px;border:1px solid #e4e8ee;border-radius:10px;background:#f8fafc}.tutorial-image-field .card-hint{margin:-3px 0 0}.tutorial-image-preview{display:flex;align-items:center;gap:12px}.tutorial-image-preview img{width:76px;height:76px;object-fit:cover;object-position:top;border:1px solid #e0e5ec;border-radius:9px;background:#fff}.guide-image-scroll{overflow-y:auto;overscroll-behavior:contain;padding:18px}.guide-image-scroll img{display:block;width:min(640px,100%);height:auto;margin:0 auto;border-radius:12px;box-shadow:0 6px 24px #172d5114}.hero-orbit{isolation:isolate;border-color:#f0523433;background:radial-gradient(circle at center,rgba(69,215,232,.08) 0 19%,transparent 20%),radial-gradient(circle at center,rgba(255,191,51,.12) 0 35%,transparent 61%);box-shadow:inset 0 0 50px #efc97414}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.hero-orbit:before{top:17px;right:17px;bottom:17px;left:17px;border:1px solid rgba(69,215,232,.13);box-shadow:0 0 24px #45d7e814}.hero-orbit:after{top:54px;right:54px;bottom:54px;left:54px;border:1px dashed rgba(240,82,52,.15);animation:orbit-spin 24s linear infinite reverse}.orbit-network{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible;z-index:1}.network-lines path{fill:none;stroke:#45d7e86b;stroke-width:.9;stroke-dasharray:.03 .06;stroke-dashoffset:1;animation:network-connect 9s ease-in-out infinite}.network-lines path:nth-child(2){animation-delay:-7.2s}.network-lines path:nth-child(3){animation-delay:-5.4s}.network-lines path:nth-child(4){animation-delay:-3.6s}.network-lines path:nth-child(5){animation-delay:-1.8s}.network-particles{fill:#50ddeb;opacity:.48;filter:drop-shadow(0 0 3px rgba(69,215,232,.8))}.network-center-glow{opacity:.3;transform-origin:center;animation:center-energy 4.5s ease-in-out infinite}.orbit-ring{position:absolute;border-radius:50%;z-index:2;pointer-events:none}.orbit-ring-outer{top:-1px;right:-1px;bottom:-1px;left:-1px;animation:orbit-spin 18s linear infinite}.orbit-ring-inner{top:39px;right:39px;bottom:39px;left:39px;border:1px solid rgba(239,201,81,.16);animation:orbit-spin 13s linear infinite reverse}.orbit-node{position:absolute;display:block;border-radius:50%;box-shadow:0 0 0 5px #fffc,0 0 18px currentColor}.orbit-node:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border:1px solid currentColor;border-radius:inherit;opacity:0;animation:node-ping 3s ease-out infinite}.node-coral{width:12px;height:12px;left:43px;top:23px;color:#f79380;background:currentColor}.node-mint{width:9px;height:9px;right:17px;top:113px;color:#79d8ce;background:currentColor}.node-gold{width:9px;height:9px;left:39px;bottom:28px;color:#edcb51;background:currentColor}.node-cyan{width:7px;height:7px;right:21px;top:23px;color:#45d7e8;background:currentColor}.node-gold-small{width:6px;height:6px;left:10px;bottom:28px;color:#f2b929;background:currentColor}.node-mint:after{animation-delay:-1s}.node-gold:after{animation-delay:-2s}.node-cyan:after{animation-delay:-.6s}.node-gold-small:after{animation-delay:-1.6s}.orbit-core{z-index:3;overflow:visible;box-shadow:0 18px 48px #efc9748a,0 0 0 1px #fffc;animation:core-breathe 4.5s ease-in-out infinite}.orbit-core img{position:relative;z-index:1;border-radius:50%}.orbit-core:before,.orbit-core:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.orbit-core:before{top:-13px;right:-13px;bottom:-13px;left:-13px;border:1px solid rgba(69,215,232,.48);border-left-color:#efc951b3;border-right-color:transparent;animation:orbit-spin 7s linear infinite}.orbit-core:after{top:-25px;right:-25px;bottom:-25px;left:-25px;border:1px dashed rgba(69,215,232,.28);animation:orbit-spin 13s linear infinite reverse}@keyframes orbit-spin{to{transform:rotate(360deg)}}@keyframes network-connect{0%,12%{opacity:.08;stroke-dashoffset:1}30%,65%{opacity:.7;stroke-dashoffset:0}82%,to{opacity:.12;stroke-dashoffset:-1}}@keyframes center-energy{0%,to{opacity:.16;transform:scale(.82)}50%{opacity:.4;transform:scale(1.15)}}@keyframes node-ping{0%{opacity:.55;transform:scale(.7)}70%,to{opacity:0;transform:scale(1.6)}}@keyframes core-breathe{0%,to{transform:scale(.98);filter:saturate(.95)}50%{transform:scale(1.04);filter:saturate(1.12)}}@media(prefers-reduced-motion:reduce){.hero-orbit *,.hero-orbit:after{animation:none!important}.network-lines path{opacity:.35;stroke-dashoffset:0}}@media(max-width:760px){.guide-image-modal{padding:0}.guide-image-panel{width:100%;max-height:100vh;border:0;border-radius:0}.guide-image-header{padding:13px 14px}.guide-image-header p{display:none}.guide-image-header h2{font-size:15px}.guide-image-actions a{padding:8px 10px}.guide-image-scroll{padding:10px}.hero-title-main{white-space:normal;font-size:clamp(35px,11vw,46px)}.hero-title small{font-size:18px}.hero-title+.primary-button{margin-top:28px}.guide-group-advanced{margin-top:52px;padding-top:48px}}.primary-button:disabled{cursor:not-allowed;opacity:.58}.upload-status{display:grid;gap:7px;padding:11px 12px;border-radius:9px;background:#f3f6fa;color:#435269;font-size:13px}.upload-status>div{display:flex;justify-content:space-between;gap:12px}.upload-status progress{width:100%;height:8px;accent-color:#f05234}