*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-2: #6366f1;--accent: #22d3ee;--gold: #f59e0b;--success: #16a34a;--danger: #ef4444;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--border: #e2e8f0;--bg: #f8fafc;--card: #ffffff;--radius: 14px;--shadow-sm: 0 4px 14px rgba(15,23,42,.06);--shadow-md: 0 10px 30px rgba(15,23,42,.1);--shadow-lg: 0 24px 60px rgba(15,23,42,.18)}html{font-size:15px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft 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0}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem}.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:-.5px;box-shadow:var(--shadow-sm)}.brand-name{color:var(--text)}.brand-name span{color:var(--primary)}.nav-links{display:flex;align-items:center;gap:22px;list-style:none}.nav-links a{color:var(--text-2);font-size:.92rem;font-weight:500;transition:color .15s}.nav-links a:hover{color:var(--primary)}.nav-cta{padding:8px 18px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff!important;font-weight:600;box-shadow:var(--shadow-sm)}.nav-cta:hover{color:#fff!important;transform:translateY(-1px)}.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px}.hero{position:relative;padding:64px 0 48px;overflow:hidden;background:radial-gradient(900px 420px at 12% -10%,rgba(99,102,241,.18),transparent 60%),radial-gradient(800px 400px at 95% 0%,rgba(34,211,238,.16),transparent 60%),linear-gradient(180deg,#fff,#f1f5ff)}.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:#eef2ff;color:var(--primary);font-size:1rem;font-weight:700;border:1px solid #dbe3ff;margin-bottom:16px}.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px #16a34a2e}.hero h1{font-size:2.55rem;line-height:1.2;font-weight:800;letter-spacing:-.5px;color:var(--text)}.hero h1 .grad{background:linear-gradient(120deg,var(--primary) 0%,var(--primary-2) 50%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p.lead{margin-top:16px;font-size:1.02rem;color:var(--text-2);max-width:540px}.hero-cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .12s,box-shadow .12s,background .15s,color .15s;text-decoration:none;background:#fff;color:var(--text)}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 28px #2563eb4d}.btn-primary:hover{box-shadow:0 16px 32px #2563eb5c}.btn-ghost{background:#fff;color:var(--text);border-color:var(--border);box-shadow:var(--shadow-sm)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-claude{background:linear-gradient(135deg,#d97757,#c15f3c);color:#fff;box-shadow:0 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label{display:block;font-size:.82rem;font-weight:600;color:var(--text-2);margin-bottom:6px}.hero-card .input-row{display:flex;gap:8px}.hero-card input{flex:1;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font-size:.92rem;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit}.hero-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb26}.btn-verify{padding:0 14px;border-radius:10px;border:1px solid var(--border);background:#f8fafc;font-size:.86rem;font-weight:600;color:var(--text-2);cursor:pointer;transition:all .15s}.btn-verify:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.field-hint{font-size:.78rem;color:var(--text-3);margin-top:6px}.btn-submit{width:100%;margin-top:8px;padding:13px 16px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:700;font-size:.98rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 10px 24px #2563eb47;transition:transform .12s,box-shadow .12s,opacity .15s}.btn-submit:hover:not(:disabled){transform:translateY(-1px)}.btn-submit:disabled{opacity:.55;cursor:not-allowed}.btn-loading{display:none;align-items:center;gap:8px}.spin{width:16px;height:16px;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-box{margin-top:14px;padding:12px 14px;border-radius:10px;display:none;align-items:center;gap:10px;font-size:.9rem}.result-box svg{width:18px;height:18px;flex-shrink:0}.result-box.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.result-box.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.live-card{padding:22px}.live-head{display:flex;align-items:center;gap:8px;font-size:.86rem;color:var(--text-2);padding-bottom:12px;border-bottom:1px dashed var(--border);margin-bottom:16px}.live-title{font-weight:700;color:var(--text)}.live-time{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--text-3);font-size:.82rem}.live-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px #16a34a2e;animation:pulse 1.6s ease-out infinite}@keyframes pulse{0%{box-shadow:0 0 #16a34a8c}70%{box-shadow:0 0 0 10px #16a34a00}to{box-shadow:0 0 #16a34a00}}.live-hero{display:flex;align-items:center;gap:14px;padding:16px;background:linear-gradient(135deg,#eef2ff,#e0f2fe);border-radius:12px;border:1px solid #dbe3ff;margin-bottom:14px}.live-num{position:relative;flex-shrink:0;width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.2rem;font-weight:800;color:#fff;line-height:1;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 60%,#818cf8 100%);background-size:220% 220%;animation:liveBg 4s ease-in-out infinite,livePulse 2s ease-out infinite;box-shadow:0 10px 24px #2563eb52,inset 0 2px #ffffff40,inset 0 -2px 6px #0f172a2e;text-shadow:0 1px 2px rgba(15,23,42,.2)}.live-num:after{content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);background-size:220% 100%;animation:liveShine 3.2s linear infinite;mix-blend-mode:overlay}.live-num.bump{animation:liveBump .45s ease,liveBg 4s ease-in-out infinite,livePulse 2s ease-out infinite}@keyframes liveBump{0%{transform:scale(1)}40%{transform:scale(1.18)}to{transform:scale(1)}}@keyframes liveBg{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes livePulse{0%{box-shadow:0 10px 24px #2563eb52,0 0 #2563eb8c,inset 0 1px #ffffff40}70%{box-shadow:0 10px 24px #2563eb52,0 0 0 14px #2563eb00,inset 0 1px #ffffff40}to{box-shadow:0 10px 24px #2563eb52,0 0 #2563eb00,inset 0 1px #ffffff40}}@keyframes liveShine{0%{background-position:-120% 0}to{background-position:220% 0}}.live-num-inline{font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;padding:0 2px}.live-text{font-size:.98rem;color:var(--text);line-height:1.5}.live-text b{color:var(--text)}.live-list{list-style:none;margin-bottom:16px;display:flex;flex-direction:column}.live-list li{display:flex;align-items:center;gap:10px;padding:10px 2px;font-size:.92rem;border-bottom:1px dashed var(--border)}.live-list 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both}.lf-user{font-weight:700;color:var(--text)}.lf-act{color:var(--text-2)}.lf-time{margin-left:auto;color:var(--text-3);font-size:.76rem}@keyframes feedIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.stats{margin-top:-28px;position:relative;z-index:2}.stats-grid{background:#fff;border-radius:16px;box-shadow:var(--shadow-md);border:1px solid var(--border);display:grid;grid-template-columns:repeat(3,1fr)}.stat{padding:22px 18px;text-align:center;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat-num{font-size:1.6rem;font-weight:800;background:linear-gradient(120deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}.stat-label{color:var(--text-2);font-size:.85rem;margin-top:4px}section.block{padding:64px 0}.section-head{text-align:center;margin-bottom:36px}.section-head h2{font-size:1.85rem;font-weight:800;letter-spacing:-.4px}.section-head p{margin-top:8px;color:var(--text-2);font-size:.98rem}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;transition:transform .2s,box-shadow .2s,border-color .2s}.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cbd5e1}.feature-ic{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,#eef2ff,#e0e7ff);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}.feature-ic svg{width:22px;height:22px}.feature h3{font-size:1rem;font-weight:700;margin-bottom:6px}.feature p{color:var(--text-2);font-size:.88rem}.process-bg{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}.step{background:#f8fafc;border-radius:14px;padding:22px;border:1px solid var(--border);position:relative}.step-num{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.92rem;margin-bottom:12px;box-shadow:0 6px 14px #2563eb4d}.step h4{font-size:1rem;font-weight:700;margin-bottom:6px}.step p{color:var(--text-2);font-size:.88rem}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.plan{background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px 22px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cbd5e1}.plan.featured{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--primary),var(--primary-2)) border-box;border:2px solid transparent;position:relative;box-shadow:var(--shadow-md)}.plan.featured:before{content:"热门";position:absolute;top:-12px;right:18px;background:linear-gradient(135deg,var(--gold),#fb923c);color:#fff;padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:700;box-shadow:var(--shadow-sm)}.plan-name{font-size:.92rem;color:var(--text-2);font-weight:600}.plan-price{display:flex;align-items:baseline;gap:4px;margin:8px 0 6px}.plan-price .cur{font-size:1rem;color:var(--text-2);font-weight:600}.plan-price .num{font-size:2.2rem;font-weight:800;background:linear-gradient(120deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}.plan-price .unit{color:var(--text-3);font-size:.85rem}.plan-tag{color:var(--text-3);font-size:.82rem;margin-bottom:14px}.plan ul{list-style:none;flex:1;margin-bottom:18px}.plan li{display:flex;align-items:flex-start;gap:8px;font-size:.9rem;color:var(--text-2);padding:5px 0}.plan li svg{width:16px;height:16px;color:var(--success);flex-shrink:0;margin-top:3px}.faq{display:flex;flex-direction:column;gap:12px;max-width:820px;margin:0 auto}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.faq-q{width:100%;text-align:left;background:none;border:0;padding:16px 18px;font-size:.98rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;color:var(--text)}.faq-q:hover{color:var(--primary)}.faq-q .chev{transition:transform .2s;flex-shrink:0}.faq-item.open .faq-q .chev{transform:rotate(180deg)}.faq-a{display:none;padding:0 18px 16px;color:var(--text-2);font-size:.92rem;line-height:1.75}.faq-item.open .faq-a{display:block}.cta-band{background:radial-gradient(600px 240px at 20% 0%,rgba(255,255,255,.16),transparent 60%),linear-gradient(135deg,#1e3a8a,#2563eb,#6366f1);color:#fff;border-radius:18px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow-lg)}.cta-band h3{font-size:1.35rem;font-weight:800}.cta-band p{color:#ffffffd9;margin-top:6px;font-size:.94rem}.cta-band .btn-primary{background:#fff;color:var(--primary);box-shadow:0 14px 30px #0000002e}.cta-band .btn-primary:hover{color:var(--primary-2)}.site-footer{margin-top:56px;padding:32px 0 28px;border-top:1px solid var(--border);background:#fff}.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--text-2);font-size:.86rem}.foot a:hover{color:var(--primary)}.foot-links{display:flex;gap:20px}.foot-links a{color:var(--text-2);text-decoration:none;font-size:.86rem}.foot-links a:hover{color:var(--primary)}.modal{display:none;position:fixed;inset:0;background:#0f172aa6;z-index:999;align-items:center;justify-content:center;padding:16px}.modal.show{display:flex}.modal-card{background:#fff;border-radius:16px;padding:26px 28px;text-align:center;max-width:340px;width:100%;box-shadow:var(--shadow-lg)}.modal-card h4{font-size:1.05rem;font-weight:700;margin-bottom:4px}.modal-card .sub{color:var(--text-2);font-size:.86rem;margin-bottom:14px}.qr-wrap{width:200px;height:200px;margin:0 auto;border-radius:12px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden}.qr-wrap img{width:100%;height:100%;object-fit:contain}.qr-spinner{width:28px;height:28px;border:3px solid #cbd5e1;border-top-color:var(--primary);border-radius:50%;animation:spin .9s linear infinite}.modal-actions{margin-top:18px;display:flex;flex-direction:column;gap:8px}.modal-actions a,.modal-actions button{font-size:.86rem;padding:10px 0;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text-2);cursor:pointer;text-decoration:none;font-family:inherit}.modal-actions a:hover,.modal-actions button:hover{border-color:var(--primary);color:var(--primary)}@media(max-width:880px){.hero{padding:40px 0 32px}.hero-inner{grid-template-columns:1fr;gap:28px}.hero h1{font-size:2rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-right:0;border-bottom:1px solid var(--border)}.stat:nth-child(2n){border-right:0}.stat:nth-last-child(-n+2){border-bottom:0}.features,.steps{grid-template-columns:repeat(2,1fr)}.plans{grid-template-columns:1fr}.cta-band{flex-direction:column;align-items:flex-start}.nav-links{display:none}.nav-toggle{display:block}section.block{padding:44px 0}}@media(max-width:480px){.features,.steps,.stats-grid{grid-template-columns:1fr}.stat{border-bottom:1px solid var(--border)}.stat:last-child{border-bottom:0}.hero h1{font-size:1.7rem}}