:root{color:#0b1220;background:#fff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #0b1220;--muted: #64748b;--line: #e2e8f0;--soft: #f7f9fc;--indigo: #4f46e5;--indigo-dark: #3730a3;--cyan: #06b6d4;--cyan-bright: #22d3ee;--navy: #07111f;--shadow: 0 22px 60px rgba(15, 23, 42, .1)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;min-width:320px;min-height:100vh;-webkit-font-smoothing:antialiased}body,button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-shell{min-height:100vh;overflow:clip;background:#fff}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.narrow{width:min(940px,calc(100% - 40px));margin:0 auto}.section{padding:92px 0}.section-heading{text-align:center;max-width:700px;margin:0 auto 44px}.section-heading h2,.intro h2{margin:8px 0 10px;font-size:clamp(30px,3vw,42px);line-height:1.2;letter-spacing:-.035em}.section-heading p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}.section-kicker{display:inline-flex;color:var(--indigo);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.site-header{position:sticky;top:0;z-index:50;height:66px;background:#ffffffeb;border-bottom:1px solid rgba(226,232,240,.9);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-inner{width:min(1200px,calc(100% - 40px));height:100%;margin:0 auto;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:9px;flex:none;font-size:19px;font-weight:840;letter-spacing:-.03em}.brand img{width:35px;height:35px;object-fit:contain}.brand b{color:var(--indigo)}.desktop-nav{display:flex;gap:25px;margin-left:auto}.desktop-nav a,.text-button{color:#526077;font-size:14px;transition:color .2s ease}.desktop-nav a:hover,.text-button:hover{color:var(--indigo)}.header-actions{display:flex;align-items:center;gap:10px}.text-button{display:inline-flex;align-items:center;gap:6px;border:0;background:none;padding:9px 8px}.header-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 15px;border-radius:10px;color:#fff;background:var(--navy);font-size:13px;font-weight:750;box-shadow:0 8px 24px #07111f24;transition:transform .2s ease,background .2s ease}.header-cta:hover{transform:translateY(-1px);background:var(--indigo)}.menu-button{display:none;margin-left:auto;width:42px;height:42px;align-items:center;justify-content:center;border:0;background:transparent;color:var(--ink)}.mobile-menu{display:none}.hero{position:relative;min-height:880px;display:grid;place-items:start center;padding:80px 0 76px;background:radial-gradient(circle at 50% 0%,rgba(34,211,238,.13),transparent 36%),linear-gradient(180deg,#f4f7ff,#f7fbff 72%,#fff)}.hero-inner{position:relative;z-index:2;width:min(920px,calc(100% - 40px));text-align:center}.orb{position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}.orb-one{width:320px;height:320px;top:90px;left:-150px;background:#4f46e517}.orb-two{width:260px;height:260px;right:-110px;top:360px;background:#22d3ee1a}.trust-pill{display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:7px 14px;border:1px solid rgba(79,70,229,.35);border-radius:999px;color:var(--indigo-dark);background:#ffffffc2;font-size:13px;font-weight:750;box-shadow:0 8px 28px #4f46e50f}.hero h1{margin:30px auto 18px;max-width:900px;font-size:clamp(42px,5.4vw,66px);line-height:1.04;letter-spacing:-.055em}.hero h1 em{color:transparent;background:linear-gradient(120deg,var(--indigo) 10%,var(--cyan) 86%);-webkit-background-clip:text;background-clip:text;font-style:normal}.hero-copy{max-width:760px;margin:0 auto;color:#526077;font-size:18px;line-height:1.8}.benefit-row{display:flex;justify-content:center;flex-wrap:wrap;gap:15px 23px;margin:26px 0 24px}.benefit-row span{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:650;color:#354156}.benefit-row svg{color:var(--cyan);stroke-width:3}.hero-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:left}.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:26px}.primary-button,.secondary-button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 26px;border-radius:12px;font-weight:800;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.primary-button{border:1px solid var(--indigo);color:#fff;background:linear-gradient(135deg,var(--indigo),#5b5bf1);box-shadow:0 12px 28px #4f46e540}.primary-button:hover{transform:translateY(-2px);box-shadow:0 16px 34px #4f46e552}.secondary-button{border:1px solid #d8deea;background:#fff;color:var(--ink)}.secondary-button:hover{transform:translateY(-2px);border-color:#a5b4fc}.quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:7px 20px;margin-top:18px;color:#637087;font-size:13px}.quick-links a,.quick-links button{display:inline-flex;align-items:center;gap:5px}.quick-links button{border:0;background:none;color:inherit;padding:0}.quick-links svg{color:var(--indigo)}.disclaimer{max-width:760px;margin:22px auto 0;color:#728096;font-size:13px;line-height:1.75}.plan-card{position:relative;display:flex;flex-direction:column;min-height:475px;padding:25px 22px 22px;border:1px solid #dfe5ef;border-radius:18px;background:#fffffff0;box-shadow:0 18px 48px #0f172a0f;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c7d2fe}.plan-card.is-popular{border:1.5px solid var(--indigo);box-shadow:0 24px 60px #4f46e526}.popular-label{position:absolute;top:-14px;left:50%;transform:translate(-50%);white-space:nowrap;display:inline-flex;align-items:center;gap:4px;padding:6px 11px;color:#fff;background:var(--indigo);border-radius:999px;font-size:12px;font-weight:800}.plan-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.plan-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;color:var(--indigo);background:#eef2ff}.plan-eyebrow{padding:6px 9px;border-radius:999px;color:#555bc3;background:#f0f1ff;font-size:11px;font-weight:800}.plan-heading{margin-top:18px}.plan-heading h3{margin:0;font-size:18px;line-height:1.25}.plan-heading span{display:block;margin-top:5px;color:#94a3b8;font-size:12px;font-weight:650}.plan-card>p{min-height:44px;margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.65}.price{margin:18px 0 14px;color:var(--indigo);font-size:36px;line-height:1;font-weight:850;letter-spacing:-.04em}.price>span{margin-right:2px;font-size:19px}.price small{margin-left:5px;color:#94a3b8;font-size:12px;font-weight:600;letter-spacing:0}.plan-card ul{display:grid;gap:10px;list-style:none;margin:0 0 22px;padding:0;color:#56647a;font-size:13px}.plan-card li{display:flex;align-items:center;gap:7px}.plan-card li svg{color:var(--cyan);stroke-width:3;flex:none}.plan-action{margin-top:auto;min-height:44px;display:flex;align-items:center;justify-content:center;gap:5px;width:100%;border:0;border-radius:10px;color:#fff;background:var(--indigo);font-size:13px;font-weight:800}.plan-sky .plan-icon,.plan-sky .plan-eyebrow{color:#0369a1;background:#e0f2fe}.plan-sky .price{color:#0284c7}.plan-sky .plan-action{background:#0284c7}.plan-cyan .plan-icon,.plan-cyan .plan-eyebrow{color:#0e7490;background:#cffafe}.plan-cyan .price{color:#0891b2}.plan-cyan .plan-action{background:#0891b2}.plan-navy .plan-icon,.plan-navy .plan-eyebrow{color:#fff;background:var(--navy)}.plan-navy .price{color:var(--navy)}.plan-navy .plan-action{background:var(--navy)}.plan-card.is-compact{min-height:172px;padding:18px 17px 16px;border-radius:15px;box-shadow:0 12px 36px #0f172a0e}.plan-card.is-compact .plan-meta{display:none}.plan-card.is-compact .plan-heading{margin:0;display:flex;align-items:center;justify-content:space-between;gap:8px}.plan-card.is-compact .plan-heading h3{font-size:15px}.plan-card.is-compact .plan-heading span{margin:0;font-size:10px}.plan-card.is-compact .price{margin:14px 0 13px;font-size:29px}.plan-card.is-compact .plan-action{min-height:36px;justify-content:flex-start;padding:0;color:var(--ink);background:transparent}.intro{background:var(--soft);text-align:center}.intro h2{margin-bottom:30px}.intro-note{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;padding:18px 20px;text-align:left;border:1px solid #c7d2fe;border-left:4px solid var(--indigo);border-radius:13px;color:#3f4d63;background:#f2f5ff}.intro-note svg{flex:none;color:var(--indigo)}.intro-note p{margin:0;font-size:14px;line-height:1.8}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th,td{padding:15px 17px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:#475569;background:#f8fafc;font-size:12px}tbody tr:last-child td{border-bottom:0}td:first-child{font-weight:800}.pricing-section{background:#fff}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:stretch}.pricing-footnote{margin:30px 0 0;text-align:center;color:var(--muted);font-size:14px}.pricing-footnote a{display:inline-flex;align-items:center;gap:5px;margin-left:4px;color:var(--indigo);font-weight:750}.services{background:var(--soft)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.service-card{min-height:164px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}.service-card>span{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;color:var(--indigo);background:#eef2ff}.service-card h3{margin:15px 0 7px;font-size:15px}.service-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}.process-section{background:#fff}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.process-card{position:relative;min-height:220px;padding:30px 26px;text-align:center;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff,#fbfcff);box-shadow:0 14px 40px #0f172a0a}.step-number{position:absolute;top:16px;right:18px;color:#e0e7ff;font-size:32px;font-weight:900}.step-icon{width:50px;height:50px;display:grid;place-items:center;margin:2px auto 18px;color:#fff;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--cyan))}.process-card h3{margin:0 0 8px;font-size:18px}.process-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.tutorial-section{background:var(--soft)}.tutorial-card{position:relative;width:min(900px,100%);display:block;overflow:hidden;margin:0 auto;padding:0;text-align:left;border:1px solid #dbe2ed;border-radius:18px;background:#fff;box-shadow:0 22px 60px #0f172a17}.tutorial-card>img{width:100%;aspect-ratio:16 / 8.4;object-fit:cover;object-position:center 34%;filter:saturate(.84) brightness(.78);transition:transform .35s ease,filter .35s ease}.tutorial-card:hover>img{transform:scale(1.015);filter:saturate(1) brightness(.72)}.tutorial-play{position:absolute;top:43%;left:50%;width:62px;height:62px;display:grid;place-items:center;transform:translate(-50%,-50%);color:var(--indigo);border-radius:50%;background:#fff;box-shadow:0 16px 40px #0f172a3d}.tutorial-caption{display:grid;gap:5px;padding:18px 20px 20px}.tutorial-caption b{color:var(--ink);font-size:15px}.tutorial-caption small{color:var(--muted);font-size:12px}.support-section{background:linear-gradient(180deg,#f8faff,#f3f7fb)}.support-panel{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:28px 18px;border:1px solid var(--line);border-radius:18px;background:#ffffffd1;box-shadow:0 20px 54px #0f172a0f}.support-item{text-align:center;padding:8px}.support-item>span{width:42px;height:42px;display:grid;place-items:center;margin:0 auto 12px;color:var(--indigo);border-radius:12px;background:#eef2ff}.support-item b{display:block;font-size:13px}.support-item p{margin:6px 0 0;color:var(--muted);font-size:11px;line-height:1.5}.audience{background:#fff}.audience-list{display:grid;gap:12px}.audience-list article{display:grid;grid-template-columns:50px 1fr auto;align-items:center;gap:16px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;transition:border-color .2s,transform .2s}.audience-list article:hover{transform:translate(3px);border-color:#a5b4fc}.audience-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;color:#2563eb;background:#eff6ff}.audience-2{color:var(--indigo);background:#eef2ff}.audience-3{color:#0e7490;background:#cffafe}.audience-list h3{margin:0 0 5px;font-size:15px}.audience-list h3 em{color:var(--indigo);font-style:normal}.audience-list p{margin:0;color:var(--muted);font-size:12px}.audience-list a{display:inline-flex;align-items:center;gap:4px;color:var(--indigo);font-size:13px;font-weight:800}.more-ai{background:var(--soft)}.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ai-grid article{padding:24px;border:1px solid var(--line);border-radius:15px;background:#fff}.ai-grid article>span{color:var(--indigo)}.ai-grid h3{margin:18px 0 7px;font-size:17px}.ai-grid p{margin:0 0 20px;color:var(--muted);font-size:12px}.ai-grid b{color:var(--indigo);font-size:15px}.problem-cta{padding:86px 0;text-align:center;background:radial-gradient(circle at 50% 100%,rgba(34,211,238,.13),transparent 35%),linear-gradient(135deg,#eef2ff,#f5fbff)}.problem-pill{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;color:#9f1239;border:1px solid #fecdd3;border-radius:999px;background:#fff1f2;font-size:12px;font-weight:800}.problem-cta h2{margin:20px 0 10px;font-size:34px;letter-spacing:-.03em}.problem-cta p{max-width:650px;margin:0 auto 24px;color:var(--muted);line-height:1.8}.details{background:#fff}.details-card{padding:42px 46px;border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 60px #0f172a0d}.details-card h2{margin:0 0 20px;font-size:26px}.details-card h3{margin:28px 0 8px;font-size:17px}.details-card p{margin:0;color:#56647a;font-size:14px;line-height:1.9}.faq-section{background:var(--soft)}.faq-list{display:grid;gap:10px}.faq-list article{overflow:hidden;border:1px solid var(--line);border-radius:13px;background:#fff}.faq-list article>button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 21px;border:0;color:var(--ink);background:#fff;text-align:left;font-size:14px;font-weight:800}.faq-list article>button svg{flex:none;color:var(--indigo);transition:transform .2s}.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.faq-answer p{overflow:hidden;margin:0;padding:0 21px;color:var(--muted);font-size:13px;line-height:1.8;transition:padding .25s ease}.faq-list article.is-open .faq-answer{grid-template-rows:1fr}.faq-list article.is-open .faq-answer p{padding:0 21px 19px}.faq-list article.is-open>button svg{transform:rotate(180deg)}.site-footer{padding:62px 0 25px;color:#cbd5e1;background:var(--navy)}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:58px}.site-footer .brand{color:#fff}.site-footer .brand b{color:var(--cyan-bright)}.footer-brand p{max-width:310px;margin:20px 0 7px;color:#94a3b8;font-size:13px;line-height:1.7}.footer-brand>span{color:#64748b;font-size:12px}.footer-grid h3{margin:6px 0 18px;color:#fff;font-size:14px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start;gap:11px}.footer-grid a,.footer-grid button{border:0;padding:0;color:#94a3b8;background:none;font-size:12px}.footer-grid a:hover,.footer-grid button:hover{color:var(--cyan-bright)}.footer-bottom{display:flex;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid #1e293b;color:#64748b;font-size:11px}.floating-support{position:fixed;right:24px;bottom:24px;z-index:40;width:56px;height:56px;display:grid;place-items:center;border:0;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--indigo),var(--cyan));box-shadow:0 16px 35px #4f46e552}.floating-support>span{position:absolute;top:-3px;right:-2px;min-width:21px;height:21px;display:grid;place-items:center;padding:0 5px;border:2px solid #fff;border-radius:999px;background:#f43f5e;font-size:10px;font-weight:900}.support-popover{position:fixed;right:24px;bottom:91px;z-index:41;width:325px;display:grid;grid-template-columns:42px 1fr;gap:12px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(10px) scale(.98);pointer-events:none;transition:.2s ease}.support-popover.is-open{opacity:1;transform:none;pointer-events:auto}.support-dismiss{position:absolute;top:9px;right:9px;display:grid;place-items:center;width:28px;height:28px;border:0;color:var(--muted);background:transparent}.support-avatar{width:40px;height:40px;display:grid;place-items:center;color:#fff;border-radius:12px;background:var(--indigo)}.support-popover b{font-size:14px}.support-popover p{margin:5px 0 0;color:var(--muted);font-size:12px}.support-link{grid-column:1 / -1;min-height:38px;display:flex;align-items:center;justify-content:center;gap:5px;border:0;border-radius:9px;color:#fff;background:var(--navy);font-size:12px;font-weight:800}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:20px;background:#02061794;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.modal{position:relative;width:min(500px,100%);max-height:calc(100vh - 40px);overflow-y:auto;padding:32px;border:1px solid rgba(255,255,255,.55);border-radius:20px;background:#fff;box-shadow:0 30px 100px #02061752}.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:9px;color:var(--muted);background:#f1f5f9}.modal-kicker{display:inline-flex;align-items:center;gap:6px;color:var(--indigo);font-size:12px;font-weight:850}.modal h2{margin:11px 0 8px;font-size:28px;letter-spacing:-.04em}.modal>p{margin:0 0 22px;color:var(--muted);font-size:13px}.selected-plan{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0;padding:16px;border:1px solid #c7d2fe;border-radius:13px;background:#f5f6ff}.selected-plan div{display:grid;gap:5px}.selected-plan b{font-size:15px}.selected-plan span{color:var(--muted);font-size:11px}.selected-plan strong{color:var(--indigo);font-size:24px;white-space:nowrap}.selected-plan small{margin-left:3px;color:var(--muted);font-size:11px}.modal form{display:grid;gap:14px}.modal label{display:grid;gap:7px;color:#334155;font-size:12px;font-weight:750}.modal input{width:100%;height:46px;padding:0 13px;border:1px solid #d7deea;border-radius:10px;outline:none;color:var(--ink);background:#fff;font-size:14px}.modal input:focus{border-color:var(--indigo);box-shadow:0 0 0 3px #4f46e51a}.modal .consent{display:flex;grid-template-columns:none;align-items:center;gap:8px;color:var(--muted);font-weight:500}.modal .consent input{width:16px;height:16px}.full{width:100%;border:0}.safe-note{display:flex;align-items:center;justify-content:center;gap:5px;margin:16px 0 0!important;color:#0f766e!important;font-size:11px!important}.status-card{display:flex;align-items:flex-start;gap:12px;margin-top:18px;padding:15px;border-radius:12px;color:#92400e;background:#fffbeb}.status-card>div{display:grid;gap:4px}.status-card b{font-size:13px}.status-card span{font-size:11px;line-height:1.5}.success-state{padding:15px 0 4px;text-align:center}.success-state>span{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 18px;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--indigo),var(--cyan))}.success-state p{margin:0 auto 22px;max-width:370px;color:var(--muted);font-size:13px;line-height:1.7}.tutorial-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:105;display:grid;place-items:center;padding:24px;background:#020617b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.tutorial-modal{position:relative;width:min(940px,100%);max-height:calc(100vh - 48px);overflow:auto;border-radius:20px;background:#fff;box-shadow:0 34px 110px #0000006b}.tutorial-modal>button{position:absolute;top:13px;right:13px;z-index:2;width:38px;height:38px;display:grid;place-items:center;border:0;border-radius:10px;color:var(--ink);background:#ffffffeb}.tutorial-modal>img{width:100%;max-height:560px;object-fit:cover;object-position:center 35%}.tutorial-modal>div{padding:24px 28px 28px}.tutorial-modal h2{margin:9px 0 8px;font-size:24px}.tutorial-modal p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.form-error,.admin-error{padding:10px 12px;border:1px solid #fecaca;border-radius:9px;color:#b91c1c;background:#fef2f2;font-size:12px;line-height:1.5}.created-order{display:grid;gap:7px;margin:20px 0;padding:16px;text-align:left;border:1px solid #c7d2fe;border-radius:12px;background:#f5f6ff}.created-order small{color:var(--muted);font-size:11px}.created-order strong{color:var(--indigo);font-size:19px;letter-spacing:.02em;word-break:break-all}.created-order span{color:#475569;font-size:12px}.payment-state{padding:8px 0 2px;text-align:center}.payment-state-icon{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 16px;border-radius:50%;color:#fff;background:linear-gradient(135deg,#1677ff,#36a8ff)}.payment-state>p{margin:0 auto 16px;max-width:420px;color:var(--muted);font-size:13px;line-height:1.7}.alipay-payment-box{display:grid;grid-template-columns:148px 1fr;align-items:center;gap:16px;margin:18px 0;padding:14px;text-align:left;border:1px solid #bfdbfe;border-radius:14px;background:linear-gradient(135deg,#eff6ff,#f8fbff)}.alipay-payment-box img{width:148px;height:148px;object-fit:cover;border-radius:10px;background:#fff}.alipay-payment-box div{display:grid;gap:7px}.alipay-payment-box b{color:#1677ff;font-size:15px}.alipay-payment-box p{margin:0;color:#475569;font-size:12px;line-height:1.5}.alipay-payment-box p strong{color:#0f172a;font-size:16px}.alipay-payment-box small{color:#64748b;font-size:11px;line-height:1.5}.transaction-field{display:grid;gap:7px;margin:0 0 14px;color:#334155;font-size:12px;text-align:left}.transaction-field input{width:100%;padding:12px 13px;border:1px solid #dbe2ea;border-radius:9px;outline:0;color:var(--ink);background:#fff;font:inherit}.transaction-field input:focus{border-color:#60a5fa;box-shadow:0 0 0 3px #60a5fa29}.form-success{display:flex;align-items:center;justify-content:center;gap:6px;margin:0 0 12px;padding:10px 12px;border:1px solid #a7f3d0;border-radius:9px;color:#047857;background:#ecfdf5;font-size:12px}.admin-login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0%,rgba(34,211,238,.14),transparent 34%),#f3f6fb}.admin-login>section{position:relative;width:min(430px,100%);padding:34px;border:1px solid #dfe5ef;border-radius:22px;background:#fff;box-shadow:0 28px 80px #0f172a24}.admin-back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}.admin-login-brand{display:flex;align-items:center;gap:9px;margin:28px 0 25px;font-size:18px;font-weight:850}.admin-login-brand img{width:36px;height:36px;object-fit:contain}.admin-login-brand b{color:var(--indigo)}.admin-login-icon{width:48px;height:48px;display:grid;place-items:center;color:#fff;border-radius:14px;background:linear-gradient(135deg,var(--indigo),var(--cyan))}.admin-login h1{margin:15px 0 7px;font-size:30px;letter-spacing:-.04em}.admin-login p{margin:0 0 25px;color:var(--muted);font-size:13px}.admin-login form{display:grid;gap:13px}.admin-login label{display:grid;gap:7px;color:#334155;font-size:12px;font-weight:750}.admin-login input{height:46px;padding:0 13px;border:1px solid #d8e0eb;border-radius:10px;outline:none}.admin-login input:focus{border-color:var(--indigo);box-shadow:0 0 0 3px #4f46e51a}.admin-login form>button{min-height:46px;display:flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:10px;color:#fff;background:var(--navy);font-weight:800}.admin-login form>button:disabled{opacity:.55;cursor:not-allowed}.admin-login>section>small{display:block;margin-top:17px;color:#94a3b8;font-size:11px}.admin-login code{padding:2px 5px;border-radius:4px;color:var(--indigo);background:#eef2ff}.spin{animation:admin-spin .8s linear infinite}@keyframes admin-spin{to{transform:rotate(360deg)}}.admin-shell{min-height:100vh;display:grid;grid-template-columns:244px minmax(0,1fr);color:#dbe4f0;background:#07111f}.admin-sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:24px 16px;border-right:1px solid #17243a;background:#0a1424}.admin-brand{display:flex;align-items:center;gap:10px;margin:0 10px 30px;color:#fff;font-size:17px;font-weight:850}.admin-brand img{width:38px;height:38px;object-fit:contain}.admin-brand b{color:var(--cyan-bright)}.admin-brand span{display:grid}.admin-brand small{margin-top:2px;color:#64748b;font-size:10px;font-weight:600;letter-spacing:.06em}.admin-sidebar nav{display:grid;gap:6px}.admin-sidebar nav button,.admin-side-bottom a,.admin-side-bottom button{width:100%;min-height:44px;display:flex;align-items:center;gap:10px;padding:0 12px;border:0;border-radius:9px;color:#8796ab;background:transparent;font-size:13px;text-align:left;transition:color .2s,background .2s}.admin-sidebar nav button:hover,.admin-sidebar nav button.active{color:#fff;background:#162238}.admin-sidebar nav button.active svg{color:var(--cyan-bright)}.admin-sidebar nav button>span{min-width:23px;height:20px;display:grid;place-items:center;margin-left:auto;border-radius:999px;color:#a5b4fc;background:#232a57;font-size:10px}.admin-side-bottom{display:grid;gap:4px;margin-top:auto;padding-top:18px;border-top:1px solid #17243a}.admin-side-bottom a:hover,.admin-side-bottom button:hover{color:#fff;background:#162238}.admin-main{min-width:0;min-height:100vh;padding:30px clamp(24px,4vw,58px) 60px;color:var(--ink);background:#f5f7fb}.admin-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.admin-topbar>div:first-child>span{color:#8a99ad;font-size:11px}.admin-topbar h1{margin:5px 0 0;font-size:28px;letter-spacing:-.04em}.admin-user{display:flex;align-items:center;gap:10px;padding:8px 11px;border:1px solid #dfe5ef;border-radius:11px;background:#fff}.admin-user>span{width:33px;height:33px;display:grid;place-items:center;border-radius:9px;color:var(--indigo);background:#eef2ff}.admin-user>div{display:grid;gap:2px}.admin-user b{font-size:12px}.admin-user small{color:#94a3b8;font-size:9px}.admin-message{display:flex;align-items:center;gap:7px;margin:-12px 0 20px;padding:11px 13px;border:1px solid #bbf7d0;border-radius:10px;color:#166534;background:#f0fdf4;font-size:12px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.admin-stats article{min-height:130px;display:flex;align-items:flex-start;gap:15px;padding:20px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;box-shadow:0 10px 28px #0f172a09}.stat-icon{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:11px}.stat-indigo{color:var(--indigo);background:#eef2ff}.stat-amber{color:#b45309;background:#fffbeb}.stat-blue{color:#0369a1;background:#e0f2fe}.stat-green{color:#047857;background:#ecfdf5}.admin-stats article>div{display:grid}.admin-stats small{color:#718096;font-size:11px}.admin-stats strong{margin:5px 0 2px;font-size:27px;letter-spacing:-.04em}.admin-stats p{margin:0;color:#94a3b8;font-size:10px}.admin-panel{overflow:hidden;border:1px solid #e1e7f0;border-radius:16px;background:#fff;box-shadow:0 12px 34px #0f172a0a}.admin-panel-head{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 20px;border-bottom:1px solid #edf1f5}.admin-panel-head span{color:#8a99ad;font-size:10px}.admin-panel-head h2{margin:4px 0 0;font-size:18px}.admin-panel-head>button{display:flex;align-items:center;gap:4px;border:0;color:var(--indigo);background:none;font-size:11px;font-weight:750}.admin-table-wrap{overflow-x:auto}.admin-table{min-width:850px}.admin-table th{padding:12px 15px;color:#718096;background:#fafbfc;font-size:10px;font-weight:750}.admin-table td{padding:14px 15px;color:#536176;border-bottom:1px solid #edf1f5;font-size:11px}.admin-table tbody tr{cursor:pointer;transition:background .15s}.admin-table tbody tr:hover{background:#f8faff}.admin-table td:first-child{display:flex;align-items:center;gap:7px}.admin-table td:first-child b{color:#1e293b;font-size:11px}.admin-table td:first-child small{padding:2px 5px;border-radius:999px;color:#64748b;background:#f1f5f9;font-size:8px}.admin-table td:last-child{width:35px;color:#94a3b8}.admin-status{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:9px;font-weight:800;white-space:nowrap}.status-amber{color:#92400e;background:#fef3c7}.status-blue{color:#075985;background:#e0f2fe}.status-violet{color:#5b21b6;background:#ede9fe}.status-green{color:#166534;background:#dcfce7}.status-red{color:#991b1b;background:#fee2e2}.status-slate{color:#475569;background:#e2e8f0}.admin-order-tools{align-items:flex-end}.admin-tools{display:flex;gap:8px}.admin-search,.admin-filter{height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid #dbe2eb;border-radius:9px;color:#94a3b8;background:#fff}.admin-search input{width:180px;border:0;outline:0;font-size:11px}.admin-filter select{border:0;outline:0;color:#475569;background:transparent;font-size:11px}.admin-refresh{height:38px;display:flex;align-items:center;gap:5px;padding:0 12px;border:0;border-radius:9px;color:#fff;background:var(--navy);font-size:11px}.admin-empty{display:grid;justify-items:center;gap:6px;padding:60px 20px;color:#94a3b8}.admin-empty b{color:#475569;font-size:13px}.admin-empty p{margin:0;font-size:11px}.admin-plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;padding:20px}.admin-plan-grid article{display:grid;gap:17px;padding:19px;border:1px solid #e2e8f0;border-radius:13px;background:#fff}.admin-plan-grid article>div:first-child{display:flex;align-items:flex-start;gap:12px}.plan-admin-icon{width:38px;height:38px;display:grid;place-items:center;flex:none;color:var(--indigo);border-radius:10px;background:#eef2ff}.admin-plan-grid h3{margin:0 0 5px;font-size:14px}.admin-plan-grid p{margin:0;color:#718096;font-size:10px;line-height:1.5}.admin-plan-grid label{display:grid;gap:7px;color:#536176;font-size:10px;font-weight:750}.admin-plan-grid input[type=number]{height:40px;padding:0 11px;border:1px solid #dbe2eb;border-radius:9px;outline:0;font-size:12px}.admin-plan-grid article>button,.admin-save{min-height:40px;display:flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:9px;color:#fff;background:var(--indigo);font-size:11px;font-weight:800}.plan-toggle{display:flex!important;grid-template-columns:none;align-items:center;gap:8px!important}.plan-toggle input{position:absolute;opacity:0;pointer-events:none}.plan-toggle>span{position:relative;width:34px;height:19px;border-radius:999px;background:#cbd5e1;transition:.2s}.plan-toggle>span:after{content:"";position:absolute;top:3px;left:3px;width:13px;height:13px;border-radius:50%;background:#fff;transition:.2s}.plan-toggle input:checked+span{background:var(--indigo)}.plan-toggle input:checked+span:after{transform:translate(15px)}.admin-drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;justify-content:flex-end;background:#02061773;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.admin-drawer{width:min(470px,100%);height:100%;overflow-y:auto;color:var(--ink);background:#fff;box-shadow:-22px 0 60px #02061733}.drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid #e7ecf2;background:#fffffff0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.drawer-head span{color:#8a99ad;font-size:10px}.drawer-head h2{margin:5px 0 0;font-size:18px;letter-spacing:.01em}.drawer-head button{width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:9px;color:#64748b;background:#f1f5f9}.drawer-body{display:grid;gap:18px;padding:24px}.drawer-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-summary>div{display:grid;gap:4px;min-width:0;padding:12px;border-radius:10px;background:#f8fafc}.drawer-summary span{color:#94a3b8;font-size:9px}.drawer-summary b{overflow:hidden;color:#334155;font-size:11px;text-overflow:ellipsis}.drawer-body>label{display:grid;gap:7px;color:#475569;font-size:10px;font-weight:750}.drawer-body select,.drawer-body textarea{width:100%;padding:10px 11px;border:1px solid #dbe2eb;border-radius:9px;outline:0;resize:vertical;font-size:12px}.order-history{padding-top:6px;border-top:1px solid #edf1f5}.order-history h3{margin:12px 0 18px;font-size:13px}.order-history>div{position:relative;display:grid;grid-template-columns:16px 1fr;gap:8px;padding-bottom:18px}.order-history>div:not(:last-child):before{content:"";position:absolute;top:9px;left:4px;bottom:0;width:1px;background:#dbe2eb}.history-dot{position:relative;z-index:1;width:9px;height:9px;margin-top:3px;border:2px solid #fff;border-radius:50%;background:var(--indigo);box-shadow:0 0 0 2px #c7d2fe}.order-history b{font-size:11px}.order-history p{margin:4px 0;color:#64748b;font-size:10px}.order-history small{color:#94a3b8;font-size:9px}@media(max-width:1060px){.desktop-nav{gap:15px}.desktop-nav a{font-size:13px}.text-button{display:none}.pricing-grid{grid-template-columns:repeat(2,1fr);gap:18px}.service-grid{grid-template-columns:repeat(2,1fr)}.support-panel{grid-template-columns:repeat(3,1fr);row-gap:26px}.admin-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){html{scroll-padding-top:60px}.container,.narrow{width:min(100% - 30px,560px)}.section{padding:66px 0}.section-heading{margin-bottom:30px}.section-heading h2,.intro h2{font-size:30px}.site-header{height:60px}.header-inner{width:calc(100% - 28px)}.brand{font-size:17px}.brand img{width:32px;height:32px}.desktop-nav,.header-actions{display:none}.menu-button{display:inline-flex}.mobile-menu{position:fixed;top:60px;right:0;bottom:0;left:0;display:block;padding:18px;visibility:hidden;opacity:0;background:#fffffff7;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);transition:opacity .18s ease,visibility .18s ease}.mobile-menu.is-open{visibility:visible;opacity:1}.mobile-menu nav{width:min(100%,420px);margin:0 auto;display:grid}.mobile-menu a,.mobile-menu button{min-height:53px;display:flex;align-items:center;justify-content:center;border:0;border-bottom:1px solid var(--line);color:#334155;background:transparent;font-size:16px}.mobile-menu button{color:var(--indigo);font-weight:800}.hero{min-height:0;padding:43px 0 62px}.hero-inner{width:min(100% - 28px,540px)}.trust-pill{max-width:100%;font-size:11px;line-height:1.4}.hero h1{margin-top:26px;font-size:38px;line-height:1.05}.hero-copy{font-size:15px;line-height:1.75}.benefit-row{display:grid;grid-template-columns:1fr 1fr;justify-items:center;gap:12px 8px;margin:23px 0}.benefit-row span{font-size:12px}.hero-plans{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.plan-card.is-compact{min-height:165px;padding:14px 10px 12px}.plan-card.is-compact .plan-heading{display:block;text-align:center}.plan-card.is-compact .plan-heading h3{min-height:36px;display:flex;align-items:center;justify-content:center;font-size:12px}.plan-card.is-compact .plan-heading span{display:none}.plan-card.is-compact .price{margin:11px 0;text-align:center;font-size:23px}.plan-card.is-compact .price>span{font-size:14px}.plan-card.is-compact .price small{font-size:9px}.plan-card.is-compact .plan-action{justify-content:center;font-size:10px;text-align:center}.plan-card.is-compact .plan-action svg{display:none}.hero-actions{flex-direction:column;align-items:stretch;width:min(100%,280px);margin:24px auto 0}.primary-button,.secondary-button{width:100%}.quick-links{gap:9px 14px;font-size:12px}.disclaimer{font-size:12px;text-align:left}.intro{text-align:left}.intro .section-kicker{display:flex;justify-content:center}.intro h2{text-align:center}.intro-note{padding:16px}.table-wrap{margin-inline:-4px}th,td{padding:13px 14px}.pricing-grid{grid-template-columns:1fr}.plan-card{min-height:0;padding:24px 21px 20px}.plan-card>p{min-height:0}.service-grid{grid-template-columns:1fr 1fr;gap:9px}.service-card{min-height:160px;padding:16px}.process-grid{grid-template-columns:1fr}.process-card{min-height:190px}.tutorial-card>img{aspect-ratio:4 / 3;object-position:center}.tutorial-play{top:38%;width:54px;height:54px}.tutorial-modal>div{padding:20px}.support-panel{grid-template-columns:repeat(2,1fr);padding:22px 10px}.audience-list article{grid-template-columns:46px 1fr;padding:16px}.audience-list a{grid-column:2}.audience-list h3{line-height:1.5}.ai-grid{grid-template-columns:1fr 1fr;gap:9px}.ai-grid article{padding:18px}.problem-cta{padding:67px 0}.problem-cta h2{font-size:30px}.problem-cta p{font-size:14px}.details-card{padding:26px 20px}.details-card h2{font-size:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px}.footer-brand{grid-column:1 / -1}.footer-bottom{flex-direction:column;gap:8px}.floating-support{right:15px;bottom:17px;width:52px;height:52px}.support-popover{right:15px;bottom:80px;width:calc(100% - 30px)}.modal{padding:27px 20px 22px}.modal h2{font-size:25px}.selected-plan{align-items:flex-start}.alipay-payment-box{grid-template-columns:1fr;text-align:center}.alipay-payment-box img{width:180px;height:180px;margin:0 auto}.alipay-payment-box div{justify-items:center}.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto;display:grid;grid-template-columns:auto 1fr;align-items:center;padding:11px 14px}.admin-brand{margin:0 18px 0 0}.admin-brand img{width:32px;height:32px}.admin-brand small{display:none}.admin-sidebar nav{display:flex;overflow-x:auto;gap:4px}.admin-sidebar nav button{width:auto;min-width:max-content}.admin-side-bottom{display:none}.admin-main{padding:22px 15px 45px}.admin-topbar{margin-bottom:20px}.admin-user{display:none}.admin-topbar h1{font-size:24px}.admin-stats{grid-template-columns:1fr 1fr;gap:9px}.admin-stats article{min-height:115px;padding:15px}.admin-order-tools{align-items:stretch;flex-direction:column}.admin-tools{flex-wrap:wrap}.admin-search{flex:1 1 100%}.admin-search input{width:100%}.admin-plan-grid{grid-template-columns:1fr;padding:14px}}@media(max-width:390px){.hero h1{font-size:35px}.service-grid,.ai-grid{grid-template-columns:1fr}.admin-sidebar{grid-template-columns:1fr;gap:8px}.admin-brand{margin:0}.admin-sidebar nav{width:100%}.admin-sidebar nav button{padding:0 10px;font-size:11px}.admin-stats,.drawer-summary{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}