@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&display=swap";:root{--bg: #fffdfb;--surface: #ffffff;--surface-soft: #faf5f2;--surface-warm: #f4ebe6;--ink: #241e1c;--muted: #746a66;--subtle: #9b918c;--line: #e8dfda;--primary: #b84d5b;--primary-dark: #913946;--primary-soft: #f7e6e8;--sage: #506c5b;--sage-soft: #e7eee9;--danger: #a23c48;--wechat-green: #07c160;--wechat-green-dark: #06ad56;--wechat-bg: #ededed;--wechat-bubble-sent: #95ec69;--shadow-sm: 0 8px 28px rgba(74, 51, 42, .07);--shadow-md: 0 16px 46px rgba(74, 51, 42, .1);--shadow-lg: 0 28px 80px rgba(74, 51, 42, .12);--ease-soft: cubic-bezier(.22, .61, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--radius-sm: 12px;--radius: 20px;--radius-lg: 30px;--max: 1180px;--font-sans: "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}button{color:inherit}img{max-width:100%;display:block}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2{font-family:var(--font-serif);font-weight:600;line-height:1.15;letter-spacing:-.035em;margin:0 0 24px;text-wrap:balance}h1{font-size:clamp(2.5rem,5vw,4.2rem)}h2{font-size:clamp(1.8rem,3.5vw,3rem)}h3{line-height:1.35}:focus-visible{outline:3px solid rgba(184,77,91,.28);outline-offset:3px}.site-header{position:sticky;top:0;z-index:40;height:64px;border-bottom:1px solid rgba(232,223,218,.82);background:#fffdfbeb;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.nav-shell{max-width:var(--max);height:100%;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.nav-left{display:flex;align-items:center;gap:12px}.home-icon{display:flex;align-items:center;color:var(--muted);transition:color .2s ease}.home-icon:hover{color:var(--ink)}.logo{display:inline-flex;align-items:baseline;gap:12px;min-height:44px}.logo span{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;letter-spacing:.12em}.logo small{color:var(--muted);font-size:.72rem;letter-spacing:.06em}.nav-links{display:flex;align-items:center;gap:32px;font-size:.92rem}.nav-links>a:not(.button){color:var(--muted)}.nav-links>a.active,.nav-links>a:hover{color:var(--ink)}.nav-button{border:0;background:transparent;display:inline-flex;align-items:center;gap:7px;min-height:44px;cursor:pointer;color:var(--muted)}.icon-button{width:44px;height:44px;border:0;border-radius:50%;background:transparent;display:grid;place-items:center;cursor:pointer}.menu-button{display:none}.button,.secondary-button{min-height:46px;border:1px solid transparent;border-radius:999px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}.button{background:var(--primary);color:#fff;box-shadow:0 9px 24px #b84d5b2e}.button:hover{background:var(--primary-dark);transform:translateY(-1px)}.button:active{transform:scale(.985)}.button.large{min-height:54px;padding:0 28px;font-size:1rem}.button.small{min-height:40px;padding:0 18px}.button.full{width:100%}.button.secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:none}.button.secondary:hover{border-color:#cdbeb7;background:var(--surface-soft)}.secondary-button{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:none}.secondary-button:hover{border-color:#cdbeb7;background:var(--surface-soft)}.secondary-button.danger{color:var(--danger);border-color:#e7c4c8}.button:disabled,.secondary-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.text-link{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--primary);min-height:44px}.eyebrow{margin:0 0 18px;color:var(--primary);font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.lead{color:var(--muted);font-size:1.02rem;max-width:620px}.section-heading{max-width:800px;margin:0 auto 52px}.section-heading.center{text-align:center}.section-heading h2{margin:0}.wechat-connect-btn{background:var(--wechat-green)!important;color:#fff!important;border-color:var(--wechat-green)!important;box-shadow:0 9px 24px #07c1602e!important}.wechat-connect-btn:hover{background:var(--wechat-green-dark)!important}footer{padding:44px max(28px,calc((100vw - var(--max)) / 2));border-top:1px solid var(--line);background:var(--surface-soft);display:grid;grid-template-columns:1fr auto;gap:18px}footer p{margin:9px 0 0;color:var(--muted);font-size:.84rem}.footer-links{display:flex;gap:22px;font-size:.84rem}footer>small{grid-column:1 / -1;color:var(--subtle);font-size:.68rem}.loading-page{min-height:70vh;display:grid;place-content:center;gap:12px;text-align:center;color:var(--muted)}.loading-page span{width:36px;height:36px;margin:auto;border:3px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.home-hero{max-width:var(--max);margin:auto;padding:44px 28px 60px}.home-title{font-size:clamp(1.5rem,2.8vw,2.1rem);text-align:center;margin-bottom:40px;font-family:var(--font-serif)}.home-main{display:grid;grid-template-columns:1fr;gap:32px}.category-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:28px}.category-tabs button{padding:8px 24px;border:2px solid var(--line);background:var(--surface);border-radius:24px;font-size:15px;cursor:pointer;transition:all .25s ease;color:var(--muted)}.category-tabs button:hover{border-color:#cdbeb7;color:var(--ink)}.category-tabs button.active{background:var(--primary);border-color:var(--primary);color:#fff}.custom-create{display:flex;justify-content:center;margin-top:8px}.custom-create-card{width:100%;max-width:560px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;text-align:left;box-shadow:0 6px 24px #0000000d}.custom-create-card h3{margin:0 0 8px;font-size:20px;color:var(--ink)}.custom-create-hint{margin:0 0 20px;font-size:14px;line-height:1.6;color:var(--muted)}.custom-field{display:block;margin-bottom:16px}.custom-field>span{display:block;margin-bottom:6px;font-size:14px;color:var(--ink)}.custom-field input,.custom-field textarea{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;color:var(--ink);background:var(--bg);box-sizing:border-box;font-family:inherit;resize:vertical}.custom-field input:focus,.custom-field textarea:focus{outline:none;border-color:var(--primary)}.custom-create-error{margin:0 0 12px;color:#d9534f;font-size:14px}.custom-create-card .button{width:100%;justify-content:center}.carousel-container{width:100%;overflow:hidden}.carousel-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x;padding:10px 40px;scrollbar-width:none;user-select:none;-webkit-user-select:none}.carousel-track.dragging{scroll-behavior:auto;scroll-snap-type:none;cursor:grabbing}.carousel-track::-webkit-scrollbar{display:none}.carousel-card{scroll-snap-align:center;flex-shrink:0;width:160px;height:220px;border-radius:16px;overflow:hidden;position:relative;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .35s cubic-bezier(.25,.46,.45,.94),opacity .35s ease;opacity:.45;border:3px solid transparent}.carousel-card:hover{opacity:.75}.carousel-card.center{transform:scale(1.15);opacity:1;border-color:var(--primary);z-index:2;box-shadow:var(--shadow-lg)}.carousel-card-image{width:100%;height:100%;position:relative;background:linear-gradient(145deg,var(--surface-warm),var(--ink))}.carousel-card-image img{width:100%;height:100%;object-fit:cover}.carousel-card-image span{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-serif);font-size:3rem;color:#ffffffd1}.carousel-card-name{position:absolute;bottom:0;left:0;right:0;text-align:center;color:#fff;font-size:15px;font-weight:600;background:linear-gradient(transparent,#000000b3);padding:24px 8px 8px;pointer-events:none}.carousel-card-tags{position:absolute;top:8px;left:0;right:0;display:flex;flex-wrap:wrap;gap:4px;padding:0 8px;justify-content:center;opacity:0;transition:opacity .3s ease}.carousel-card.center .carousel-card-tags{opacity:1}.carousel-card-tags .char-tag{display:inline-block;padding:2px 8px;font-size:10px;border-radius:8px;background:#ffffff38;color:#ffffffe6}.char-detail-panel{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;max-width:760px;margin:0 auto}.char-detail-info{padding:8px 4px}.char-detail-info h3{font-family:var(--font-serif);font-size:1.6rem;margin:0 0 8px}.char-detail-tagline{color:var(--primary);font-size:1rem;margin:0 0 12px;font-weight:500}.char-detail-bio{color:var(--muted);font-size:.92rem;line-height:1.7;margin:0 0 12px}.char-detail-target{color:var(--subtle);font-size:.8rem}.wechat-preview{background:var(--wechat-bg);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);aspect-ratio:16/10;max-height:460px}.wechat-bar{background:var(--wechat-bg);border-bottom:1px solid #dcdcdc;padding:10px 14px;display:flex;align-items:center;gap:10px}.wechat-bar-avatar{width:38px;height:38px;border-radius:4px;background:#555;color:#fff;display:grid;place-items:center;font-size:15px;overflow:hidden;flex-shrink:0}.wechat-bar-avatar img{width:100%;height:100%;object-fit:cover}.wechat-bar-name{font-size:15px;font-weight:500;color:#191919}.wechat-back{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;color:#555;cursor:pointer}.wechat-back:hover{background:#ddd}.wechat-messages{flex:1;padding:12px 14px;display:flex;flex-direction:column;gap:8px;min-height:340px;max-height:460px;overflow-y:auto;scroll-behavior:smooth}.wechat-messages-scroll{min-height:400px;max-height:calc(100vh - 260px)}.wechat-msg{display:flex;align-items:flex-start;gap:8px;max-width:100%}.wechat-msg.received{flex-direction:row}.wechat-msg.sent{flex-direction:row-reverse}.wechat-msg-avatar{width:38px;height:38px;border-radius:4px;background:#ccc;display:grid;place-items:center;font-size:13px;color:#555;flex-shrink:0;overflow:hidden}.wechat-msg-avatar img{width:100%;height:100%;object-fit:cover}.wechat-bubble{max-width:72%;padding:9px 12px;border-radius:4px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.wechat-msg.received .wechat-bubble{background:#fff;border-radius:0 4px 4px}.wechat-msg.sent .wechat-bubble{background:var(--wechat-bubble-sent);border-radius:4px 0 4px 4px}.wechat-typing-bubble{padding:12px 14px;border-radius:0 4px 4px;background:#fff;display:flex;gap:4px;align-items:center}.wechat-typing-bubble i{width:6px;height:6px;border-radius:50%;background:#999;animation:pulse 1.25s infinite}.wechat-typing-bubble i:nth-child(2){animation-delay:.15s}.wechat-typing-bubble i:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,60%,to{opacity:.28;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.wechat-input-bar{padding:8px 14px;background:#f5f5f5;border-top:1px solid #dcdcdc}.wechat-input-bar span{display:block;padding:8px 12px;background:#fff;border-radius:4px;color:#999;font-size:14px}.wechat-input-form{display:flex;gap:8px;padding:8px 14px;background:#f5f5f5;border-top:1px solid #dcdcdc}.wechat-input-form input{flex:1;min-height:38px;border:none;border-radius:4px;padding:0 12px;font-size:14px;background:#fff}.wechat-input-form input:focus{outline:none}.wechat-input-form button{width:38px;height:38px;border:none;border-radius:4px;background:var(--wechat-green);color:#fff;cursor:pointer;display:grid;place-items:center}.wechat-input-form button:disabled{background:#ccc;cursor:not-allowed}.wechat-round-badge{margin-left:auto;font-size:12px;color:#888;background:#ddd;padding:2px 10px;border-radius:999px}.wechat-finished{padding:40px 24px;text-align:center;background:var(--wechat-bg);display:flex;flex-direction:column;align-items:center;gap:10px}.wechat-finished svg{color:var(--primary)}.wechat-finished p{margin:0;font-size:1.05rem;font-weight:600}.wechat-finished-sub{font-weight:400!important;color:var(--muted);font-size:.88rem!important;max-width:320px}.wechat-finished-actions{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:12px}.home-cta{text-align:center;margin-top:36px}.home-cta-secondary{text-align:center;margin-top:14px;display:flex;flex-direction:column;align-items:center;gap:10px}.home-slogan{font-size:.82rem;color:var(--muted);max-width:520px;margin:0 auto}.band{padding:90px max(28px,calc((100vw - var(--max)) / 2))}.connect-guide{background:var(--surface-soft)}.guide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:820px;margin:0 auto}.guide-steps article{text-align:center;padding:24px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}.step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-weight:600;margin-bottom:12px;font-size:.9rem}.guide-steps h3{margin:0 0 8px;font-size:1.05rem}.guide-steps p{margin:0;color:var(--muted);font-size:.86rem}.personalization-highlight{background:var(--surface-soft)}.section-subtitle{color:var(--muted);font-size:.95rem;margin:4px 0 0}.customization-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:920px;margin:28px auto 0}.custom-item{text-align:center;padding:28px 18px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.custom-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.custom-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--primary-soft);color:var(--primary);margin-bottom:14px}.custom-item h3{margin:0 0 8px;font-size:1rem}.custom-item p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.6}.faq-section{background:#fff}.faq-list{border-top:1px solid var(--line);max-width:800px;margin:0 auto}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{min-height:68px;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;font-weight:600;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary svg{transition:transform .2s;flex-shrink:0}.faq-list details p{max-width:760px;padding-bottom:22px;color:var(--muted);font-size:.92rem;line-height:1.7}.faq-list details[open] summary svg{transform:rotate(90deg)}.trial-layout{max-width:880px;margin:auto;padding:20px 28px 60px;display:grid;grid-template-columns:1fr 240px;gap:32px;align-items:start}.wechat-chat-full{background:var(--wechat-bg);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);min-height:500px;max-height:calc(100vh - 160px)}.trial-sidebar{display:flex;flex-direction:column;gap:16px;padding-top:20px}.trial-sidebar .button{width:100%}.trial-sidebar .home-slogan{font-size:.76rem}.trial-loading{display:flex;flex-direction:column;align-items:center;gap:16px;padding:120px 0;color:var(--muted)}.trial-loading span{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--primary);animation:spin 1s linear infinite}.trial-error{display:flex;flex-direction:column;align-items:center;gap:18px;padding:120px 0;color:var(--muted)}.trial-error-inline{color:var(--danger);font-size:.82rem;padding:8px 28px;margin:0}.trial-page{max-width:560px;margin:0 auto;min-height:calc(100vh - 64px);display:flex;flex-direction:column;padding:0 0 28px}.pricing-page{max-width:var(--max);margin:auto;padding:50px 28px 100px}.pricing-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:920px;margin:0 auto 36px}.pricing-card{position:relative;padding:36px 28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-align:center;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.pricing-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.pricing-card.featured{border-color:var(--primary);border-width:2px;box-shadow:var(--shadow-lg)}.pricing-badge{position:absolute;top:-13px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px;white-space:nowrap}.pricing-card h3{margin:0 0 16px;font-size:1.25rem}.pricing-amount{display:flex;flex-direction:column;align-items:center;gap:4px;margin-bottom:8px}.price-original{font-size:14px;color:var(--subtle);text-decoration:line-through}.price-discounted{font-size:2.6rem;font-weight:700;color:var(--primary);font-family:var(--font-serif);line-height:1}.pricing-note{font-size:11px;color:var(--sage);margin-bottom:8px;font-weight:600}.pricing-duration{color:var(--muted);font-size:.88rem;margin:0 0 20px}.pricing-features{list-style:none;padding:0;margin:0 0 24px;width:100%;text-align:left}.pricing-features li{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:.84rem;color:var(--muted);border-bottom:1px solid var(--surface-warm)}.pricing-features li svg{color:var(--sage);flex-shrink:0}.pricing-footer-note{text-align:center;color:var(--sage);font-size:.86rem;display:flex;align-items:center;justify-content:center;gap:8px}.connect-page{max-width:720px;margin:auto;padding:50px 28px 120px}.connect-notice{display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:var(--radius-sm);background:var(--primary-soft);color:var(--primary);margin-bottom:40px}.connect-notice p{margin:0;font-size:.92rem}.connect-content{min-height:360px;margin-bottom:60px}.connect-step{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}.connect-step h2{margin:0;font-size:1.6rem}.connect-char-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;width:100%;max-width:600px}.connect-char-card{display:flex;align-items:center;gap:12px;padding:14px;border:2px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .2s,background .2s}.connect-char-card.selected{border-color:var(--primary);background:var(--primary-soft)}.connect-char-card:hover{border-color:#cdbeb7}.connect-char-avatar{width:48px;height:48px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center;overflow:hidden;flex-shrink:0}.connect-char-avatar img{width:100%;height:100%;object-fit:cover}.connect-char-avatar.large{width:80px;height:80px;border-radius:12px;font-size:2rem}.connect-char-card strong{font-size:1rem}.connect-char-card small{color:var(--muted);font-size:.76rem}.connect-char-check{color:var(--primary);flex-shrink:0}.connect-confirm-char{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:8px}.connect-confirm-char h2{margin:4px 0 0}.connect-confirm-char p{margin:0;color:var(--muted)}.connect-char-bio{font-size:.82rem!important;max-width:420px;line-height:1.6}.connect-error{color:var(--danger);font-size:.9rem;background:#dc354514;border:1px solid rgba(220,53,69,.2);border-radius:8px;padding:10px 16px;max-width:420px}.qr-panel{display:flex;flex-direction:column;align-items:center;gap:16px}.qr-wrap{width:260px;aspect-ratio:1;position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden}.qr-wrap img{width:100%;height:100%}.qr-overlay{position:absolute;inset:0;border-radius:11px;background:#fffffff0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--sage);gap:8px}.qr-placeholder{width:260px;aspect-ratio:1;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted)}.connection-state{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--muted)}.connection-state i{width:8px;height:8px;border-radius:50%;background:#d69b34;animation:pulse 1.25s infinite}.connection-state.connected i{background:var(--sage)}.connection-state.failed i,.connection-state.expired 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