:root{color-scheme:light;--ink:#233b31;--muted:#65776d;--green:#397758;--green-dark:#244f3c;--mint:#e7f2e8;--cream:#f7f9f5;--line:#e2e9df;--white:#fff;--shadow:0 24px 70px rgba(35,70,50,.10)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--cream);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
body.dialog-open{overflow:hidden}
button,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
svg{display:block}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #df9d49;outline-offset:3px}
.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:fixed;z-index:100;top:-60px;left:16px;padding:10px 16px;border-radius:9px;background:var(--ink);color:#fff}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,249,245,.93);border-bottom:1px solid rgba(214,228,215,.75);backdrop-filter:blur(16px)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:36px}
.brand{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:18px;font-weight:800;letter-spacing:-.04em}
.brand img{flex:none}.brand-divider{height:19px;width:1px;background:#cbd8cb;margin-inline:5px}.brand-caption{font-size:11px;font-weight:500;color:#758778;letter-spacing:.04em}
.desktop-nav{display:flex;align-items:center;gap:32px;margin-left:auto;font-size:13px;font-weight:600;color:#50685a}.desktop-nav a:hover,.footer a:hover,.text-button:hover{color:var(--green)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:51px;padding:0 23px;border:1px solid transparent;border-radius:13px;font-size:14px;font-weight:700;line-height:1.2;text-align:center;transition:transform .18s,background .18s,box-shadow .18s}.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(35,70,50,.13)}.button span:last-child{font-size:18px;font-weight:400}
.button-small{min-height:40px;padding-inline:17px;gap:10px;font-size:12px}.button-dark{background:var(--green-dark);color:#fff}.button-dark:hover{background:#193f2d}.button-green{background:#79b58b;color:#123522}.button-green:hover{background:#91c89d}.button-outline{border-color:#cbd9cc;background:#fff;color:var(--ink)}
.nav-contact{margin-left:0}.menu-toggle,.mobile-nav,.mobile-bottom{display:none}
.hero{display:grid;grid-template-columns:1fr 1.04fr;align-items:center;gap:48px;min-height:660px;padding-block:70px 52px}.hero-copy{position:relative;z-index:1}.eyebrow,.section-kicker,.plan-english{font-size:11px;font-weight:800;letter-spacing:.16em;color:#6c9a76}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid #d9e8d8;border-radius:100px;background:#eef6e9;letter-spacing:.06em;color:#497556}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#71af7b;box-shadow:0 0 0 3px #dcf0d9}
h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.26;letter-spacing:-.055em}h1{position:relative;margin:27px 0 23px;font-size:clamp(48px,5.3vw,76px);font-weight:800}h1 span,.section-heading h2 span{color:#78a581}.title-spark{display:inline-block;width:35px;height:35px;margin-left:14px;fill:none;stroke:#e0ad63;stroke-width:2;stroke-linecap:round}
.hero-description{max-width:500px;color:var(--muted);font-size:16px;line-height:2}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-checks{display:flex;flex-wrap:wrap;gap:23px;margin-top:31px;color:#677a6c;font-size:12px}.hero-checks i{font-style:normal;color:#4b9465;font-weight:800;margin-right:5px}
.hero-art{position:relative;isolation:isolate;height:490px;border-radius:44% 52% 42% 45%;background:radial-gradient(circle at 54% 42%,#e0efdb 0,#edf5e9 51%,#f7f9f5 73%);overflow:visible}.art-grid{position:absolute;inset:70px 45px;background-image:radial-gradient(#cbdcc9 1px,transparent 1px);background-size:21px 21px;mask-image:radial-gradient(ellipse,#000,transparent 72%)}.orbit{position:absolute;border:1px dashed #cbdcc9;border-radius:50%;transform:rotate(-17deg)}.orbit-one{inset:45px 15px}.orbit-two{inset:75px 50px}.art-star,.art-dot{position:absolute;color:#8ebf87}.star-one{left:7%;top:28%;font-size:31px}.star-two{right:10%;bottom:20%;font-size:27px}.art-dot{width:8px;height:8px;background:#dfbb80;border-radius:50%}.dot-one{right:21%;top:9%}.dot-two{left:19%;bottom:17%}
.ai-window{position:absolute;left:13%;top:16%;width:74%;min-height:355px;border:1px solid #d8e5d8;border-radius:20px;background:#fff;box-shadow:var(--shadow);overflow:hidden;transform:rotate(-3deg)}.window-top{display:flex;align-items:center;justify-content:space-between;height:43px;padding:0 17px;border-bottom:1px solid #edf1eb;background:#fafcf9;color:#9ca99d;font-size:9px;letter-spacing:.16em}.window-dots{display:flex;gap:5px}.window-dots i{width:6px;height:6px;border-radius:50%;background:#d2dfd3}.window-plus{font-size:18px;color:#9abca1}.window-content{padding:29px 38px 24px}.ai-emblem{display:grid;place-items:center;width:38px;height:38px;margin-bottom:19px;border-radius:12px;background:#e5f1e6;color:#4e9069;font-size:25px}.window-greeting{font-size:22px;font-weight:800;letter-spacing:-.05em}.window-content p{margin:4px 0 24px;color:#859488;font-size:12px}.prompt-chips{display:flex;flex-wrap:wrap;gap:7px}.prompt-chips span{padding:7px 10px;border:1px solid #e6eee3;border-radius:8px;background:#f7faf5;color:#677b6b;font-size:10px}.mock-input{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:25px;padding:9px 9px 9px 13px;border:1px solid #e4ece2;border-radius:10px;color:#a3aea4;font-size:10px}.send-icon{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:#7bb48c;color:#fff;font-size:15px}
.floating-label{position:absolute;z-index:2;border:1px solid #e6ebdf;border-radius:13px;background:rgba(255,255,255,.97);box-shadow:0 13px 32px rgba(41,71,49,.10)}.label-top{right:-1%;top:10%;padding:11px 14px;font-size:11px;color:#526e57;transform:rotate(7deg)}.mini-spark{color:#d8a763;margin-right:5px}.label-bottom{display:flex;align-items:center;gap:10px;left:0;bottom:9%;padding:10px 14px;transform:rotate(5deg)}.floating-check{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#e1f2e2;color:#4d9265;font-weight:900}.label-bottom strong,.label-bottom small{display:block}.label-bottom strong{font-size:11px}.label-bottom small{font-size:9px;color:#849286}.tiny-spark{margin-left:13px;color:#d8a763}.paper-plane{position:absolute;z-index:3;width:90px;right:4%;bottom:12%;filter:drop-shadow(0 10px 10px rgba(65,94,60,.13));transform:rotate(12deg)}.art-caption{position:absolute;right:15%;bottom:1%;font-size:8px;letter-spacing:.18em;color:#9cad9d}
.use-cases{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 30px;border:1px solid #e4eae1;border-radius:17px;background:#fff}.use-cases>span{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;color:#65796a;font-size:12px;font-weight:600}.use-cases-label{color:#91a094!important;font-weight:500!important}.use-cases svg,.feature-icon svg,.step-top svg,.pricing-note svg,.dialog-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.section{padding-block:112px}.section-heading{margin-bottom:43px}.section-heading.centered{text-align:center}.section-heading h2,.service-intro h2,.faq-intro h2,.closing h2{margin:10px 0 15px;font-size:clamp(32px,3.4vw,48px);font-weight:800}.section-heading p,.service-intro p,.faq-intro p{color:var(--muted);font-size:14px}.plans-section{margin-top:70px;background:#eef5ec}.plans-topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;color:#759079;font-size:11px}.plan-category{display:flex;align-items:center;gap:10px;font-weight:700;color:#416b4d}.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.plan-card{min-width:0;padding:28px;border:1px solid #e0e9df;border-radius:20px;background:#fff;box-shadow:0 7px 24px rgba(38,74,45,.025)}.plan-card.featured{border-color:#a8d1ae;box-shadow:0 18px 40px rgba(51,103,59,.10);transform:translateY(-6px)}.plan-card-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.plan-icon,.feature-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:12px;background:#e9f3e9;color:#568e69}.plan-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.plan-tag{padding:5px 9px;border-radius:100px;background:#eef5ea;color:#608469;font-size:10px}.featured .plan-tag{background:#dff0de;color:#427953}.plan-english{display:block;margin-top:29px;font-size:9px}.plan-card h3{margin:5px 0 8px;font-size:25px}.plan-description{min-height:46px;margin-bottom:27px;color:#79877b;font-size:12px}.plan-price{display:flex;align-items:baseline;gap:5px;min-height:47px}.plan-price strong{font-size:32px;line-height:1.2;letter-spacing:-.05em}.plan-price .quote-price{font-size:26px}.currency{font-size:17px;font-weight:700}.period,.quote-arrow{color:#829184;font-size:13px}.price-note{min-height:28px;margin:0 0 20px;color:#849184;font-size:11px}.button-card{width:100%;background:#edf4ec;color:#34694b}.plan-card .button{width:100%;justify-content:space-between}.plan-features{display:grid;gap:12px;margin:25px 0 0;padding:23px 0 0;border-top:1px solid #edf0eb;list-style:none;color:#63766a;font-size:11px}.plan-features li{display:flex;gap:9px}.plan-features span{color:#5aa473;font-weight:800}.pricing-note{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:25px;color:#798b7c;font-size:11px}.pricing-note svg{width:15px;height:15px}
.steps-section{padding-block:0 110px}
.steps-section .section-heading h2{margin-top:6px}
.steps-subtitle{margin-top:14px!important;color:#397758!important;font-size:16px!important;font-weight:700!important;letter-spacing:.01em}

/* 双动线流程图：两条独立动线横向并排铺开。 */
.flow-chart{display:flex;flex-direction:column;gap:42px;margin-top:18px}
.flow-row{display:flex;align-items:stretch;gap:12px}
.flow-row-label{flex:0 0 80px;display:flex;align-items:center;justify-content:center;padding:10px 6px;border-radius:11px;font-size:12px;font-weight:700;line-height:1.4;align-self:center}
.flow-row-label.done{background:#eef5ec;color:#5a7a62;border:1px solid #d5e3d2}
.flow-row-label.alt{background:#ddebd8;color:#2f6b4d;border:1px solid #b9d4c0}
.flow-row-steps{display:flex;align-items:center;flex:1;gap:0}
.flow-card{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;padding:12px 13px;border:1px solid #e4eae1;border-radius:13px;background:#fff}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:#eaf2e7;color:#397758;font-size:10px;font-weight:800}
.flow-card h3{margin:8px 0 0;font-size:13px;line-height:1.35;letter-spacing:-.01em}
.flow-time{display:inline-flex;align-items:center;gap:3px;margin-top:8px;padding:2px 8px;border-radius:5px;background:#f2f7f0;color:#4a7a5c;font-size:10px;font-weight:600}
.flow-time:before{content:"⏱";font-size:9px}
.flow-card-optional{border:1.5px dashed #a9c8b0;background:#f7fbf5}
.flow-card-optional .flow-num{background:#dcefe0;color:#2f6b4d}
.flow-split-opt{background:transparent;border:0;padding:0;display:flex;flex-direction:column;gap:0}
.flow-split-opt .flow-card-optional{padding:9px 12px;border-radius:11px}
.flow-split-opt .flow-card-optional h3{margin-top:6px;font-size:12px}
.flow-split-opt .flow-card-optional .flow-time{margin-top:6px;font-size:10px}
.flow-or{align-self:center;padding:4px 0;color:#8aa092;font-size:11px;font-weight:700}
.flow-card-welfare{background:#eaf2e7;border-color:#cfe0d2;padding:11px 13px}
.flow-card-welfare h3{margin:0 0 8px;font-size:12px;color:#2f6b4d}
.welfare-item{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:7px;background:#fff;color:#397758;font-size:10.5px;font-weight:600;margin-bottom:5px}
.welfare-item:last-child{margin-bottom:0}
.flow-arrow{flex:0 0 32px;height:2px;align-self:center;background-image:linear-gradient(to right,#b3c6b8 55%,transparent 45%);background-size:8px 2px;background-repeat:repeat-x;position:relative}
.flow-arrow:after{content:"";position:absolute;right:-2px;top:-4px;width:0;height:0;border-left:8px solid #b3c6b8;border-top:4px solid transparent;border-bottom:4px solid transparent}

@media(max-width:900px){
  .flow-row{flex-direction:column;gap:10px}
  .flow-row-label{flex:none;padding:8px 12px;justify-content:flex-start}
  .flow-row-steps{flex-direction:column;align-items:stretch;gap:0}
  .flow-arrow{width:2px;height:28px;align-self:center;background-image:linear-gradient(to bottom,#b3c6b8 55%,transparent 45%);background-size:2px 8px}
  .flow-arrow:after{right:-4px;top:auto;bottom:-2px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid #b3c6b8;border-bottom:none}
}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{padding:24px 22px;border:1px solid #e4eae1;border-radius:16px;background:#fff}
.step-badge{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:#eaf2e7;color:#397758;font-size:14px;font-weight:800;letter-spacing:-.02em}
.step h3{margin:16px 0 8px;font-size:16px;letter-spacing:-.02em}
.step p{margin:0;color:#708276;font-size:12px;line-height:1.85}
.steps-note{margin:28px 0 0;text-align:center;color:#5a6e60;font-size:14px}
.steps-note strong{color:#397758;font-weight:700}
.steps-action{margin-top:22px;text-align:center}
.service-section{margin:40px 0 0;padding:20px 0 48px;background:#eaf2e8}
.service-top{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px;align-items:start}
.service-intro .section-kicker{color:#5a8a6c}
.service-intro h2{margin:10px 0 12px;font-size:clamp(28px,3vw,40px)}
.service-intro p{margin:0;color:#5a6e60;font-size:14px}
.service-drawing{display:flex;flex-direction:column;align-items:flex-start;margin-top:22px;color:#7b9680;font-size:10px;letter-spacing:.1em}
.service-drawing svg{width:90px}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.service-grid article{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid #e6ede4;border-radius:14px;background:#fff}
.service-grid .feature-icon{flex:none;width:38px;height:38px;border-radius:10px}
.service-grid h3{margin:0 0 3px;font-size:13.5px}
.service-grid p{margin:0;color:#718376;font-size:11px;line-height:1.5}

.service-proof{margin-top:48px;text-align:left}
.service-proof h3{margin:0 0 22px;font-size:18px;color:#2f4f3a;font-weight:700}
.proof-marquee{margin-top:18px;overflow:hidden;-webkit-mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent);mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent)}
.proof-track{display:flex;gap:18px;width:max-content;animation:marquee 120s linear infinite}
.proof-marquee:hover .proof-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.wechat-card{flex:none;width:230px;height:160px;background:#ededed;border-radius:12px;padding:12px 12px 10px;display:flex;flex-direction:column;gap:8px;justify-content:flex-start;overflow:hidden}
.chat-row{display:flex;gap:7px;align-items:flex-start}
.chat-row.right{flex-direction:row-reverse}
.wx-avatar{flex:none;width:30px;height:30px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:16px}
.chat-row.right .wx-avatar{background:transparent}
.wx-bubble{padding:6px 10px;border-radius:6px;font-size:12px;line-height:1.45;max-width:150px;word-break:break-all}
.chat-row.left .wx-bubble{background:#fff;color:#222}
.chat-row.right .wx-bubble{background:#95ec69;color:#111}

.service-products{margin-top:48px;text-align:left}
.products-title{margin:0 0 16px;font-size:18px;color:#2f4f3a;font-weight:700}
.products-tags{display:flex;justify-content:flex-start;flex-wrap:wrap;gap:10px}
.products-tags span{padding:8px 18px;border-radius:100px;background:#fff;border:1px solid #cfe0d2;color:#2f6b4d;font-size:13px;font-weight:600}

.service-cta{margin-top:40px;text-align:center}
.service-cta .button{min-width:200px}
@media(max-width:900px){.service-top{grid-template-columns:1fr;gap:28px}.service-grid{grid-template-columns:1fr 1fr}.proof-shot{width:150px;height:260px}}
@media(max-width:700px){.service-section{padding:36px 0 32px}.service-grid{grid-template-columns:1fr}.proof-shot{width:140px;height:240px}.service-proof{margin-top:36px}.service-products{margin-top:36px}}
.faq-section{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px;padding:10px 0 0}.faq-help{display:flex;gap:12px;align-items:center;margin-top:52px}.help-symbol{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#e5f0e4;color:#508260;font-size:23px;font-weight:700}.faq-help strong{display:block;font-size:12px}.faq-list{border-top:1px solid #dce5dd}.faq-list details{border-bottom:1px solid #dce5dd}.faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;list-style:none;cursor:pointer;font-size:14px;font-weight:700}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{position:relative;flex:none;width:20px;height:20px;border-radius:50%;background:#e8f1e8}.faq-list summary span:before,.faq-list summary span:after{content:"";position:absolute;top:9px;left:5px;width:10px;height:2px;background:#4f8663}.faq-list summary span:after{transform:rotate(90deg);transition:transform .18s}.faq-list details[open] summary span:after{transform:rotate(0)}.faq-list details p{max-width:610px;margin:-4px 30px 20px 0;color:#728277;font-size:12px;line-height:1.85}
.faq-cta{grid-column:1/-1;margin-top:40px;text-align:center}
.faq-cta-note{margin:0 0 14px;color:var(--muted);font-size:14px;font-weight:700}
.page-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px 24px;padding:30px 0 40px;color:#8a9b8d;font-size:11px}
.page-bottom .bottom-brand{font-weight:800;color:var(--ink);font-size:14px}
.bottom-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 18px}
.bottom-links a{color:#617568;text-decoration:none;transition:color .18s ease}
.bottom-links a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.faq-list details[id]{scroll-margin-top:92px}
@media(max-width:700px){.bottom-links{justify-content:flex-start;gap:10px 16px}}
.closing{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:215px;padding:35px 58px;border-radius:23px;background:#dcebd9;overflow:hidden}.closing h2{position:relative;z-index:1;margin-bottom:5px;font-size:33px}.closing p{position:relative;z-index:1;margin:0;color:#667c69;font-size:12px}.closing .button{position:relative;z-index:1}.closing-star{position:absolute;left:57%;top:-115px;color:#c9e2c6;font-size:300px;line-height:1}
.footer{padding-block:69px 27px}.footer-top,.footer-bottom{display:flex;align-items:center;gap:20px}.footer-top>span{color:#8a9b8d;font-size:11px}.footer-top>div{display:flex;gap:25px;margin-left:auto;color:#64796a;font-size:11px}.footer-bottom{justify-content:space-between;align-items:flex-start;margin-top:50px;padding-top:21px;border-top:1px solid #e1e8df;color:#94a096;font-size:10px}.footer-bottom p{margin:0;text-align:right}.preview-tag{display:inline-block;margin-left:10px;padding:2px 6px;border-radius:4px;background:#e5eee3;color:#66806b;font-size:9px}
dialog{width:min(460px,calc(100% - 28px));max-height:min(90vh,760px);padding:31px;border:1px solid #dfe9df;border-radius:22px;background:#fff;color:var(--ink);box-shadow:0 30px 90px rgba(20,53,35,.24);overflow:auto}dialog::backdrop{background:rgba(20,45,31,.47);backdrop-filter:blur(3px)}.dialog-close{position:absolute;top:17px;right:18px;width:32px;height:32px;border:0;border-radius:50%;background:#f1f5ef;color:#456350;font-size:23px;line-height:1}.dialog-icon{display:grid;place-items:center;width:45px;height:45px;margin-bottom:18px;border-radius:12px;background:#e7f3e8;color:#558b64}.dialog-icon svg{width:23px;height:23px}dialog h2{margin:8px 0;font-size:28px}dialog p{font-size:12px;color:#718075}dialog label{display:block;margin:18px 0 7px;font-size:12px;font-weight:700}dialog select,dialog textarea{display:block;width:100%;padding:12px;border:1px solid #dce7dc;border-radius:9px;background:#fbfdfb;color:var(--ink);font-size:12px}dialog textarea{resize:vertical;line-height:1.7}.contact-channel{margin-top:15px;padding:13px;border-radius:10px;background:#f2f7f0;font-size:12px}.contact-channel strong{display:block}.contact-channel p{margin:5px 0 0}.contact-channel small{display:block;margin-top:7px;color:#738777}.contact-qr{display:block;max-width:140px;max-height:140px;margin-top:10px}.contact-channel a{display:inline-block;margin-top:7px}.copy-message{width:100%;justify-content:space-between;margin-top:17px}.dialog-note{margin:11px 0 0;text-align:center;font-size:10px}.dialog-feedback{min-height:18px;margin:7px 0 0;color:#3b8054;text-align:center}.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}.noscript-note{position:fixed;z-index:50;bottom:0;width:100%;padding:12px;background:#fff4dd;text-align:center;font-size:12px}.mobile-only{display:none}
@media(max-width:1000px){.brand-caption,.brand-divider{display:none}.hero{gap:15px}.hero-art{height:430px}.window-content{padding:23px}.ai-window{min-height:330px}.label-top{right:-3%}.service-section{padding:45px;gap:30px}.faq-section{gap:30px}}
@media(max-width:900px){.desktop-nav,.nav-contact{display:none}.nav-wrap{height:66px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:39px;height:39px;margin-left:auto;border:1px solid #dce7dc;border-radius:10px;background:#fff}.menu-toggle span{display:block;width:17px;height:2px;margin-inline:auto;background:#37624a}.mobile-nav:not([hidden]){display:grid;gap:0;padding:4px 24px 16px;border-top:1px solid #e3ebe2;background:#f7f9f5}.mobile-nav a{padding:10px 0;font-size:13px;font-weight:700}.hero{grid-template-columns:1fr 1fr;min-height:550px;padding-block:44px}.hero-art{height:390px}.ai-window{left:8%;top:16%;width:84%;min-height:295px}.window-content{padding:19px}.window-greeting{font-size:18px}.prompt-chips span{font-size:9px}.label-bottom{bottom:5%}.paper-plane{width:70px}.use-cases{flex-wrap:wrap;justify-content:center}.use-cases-label{width:100%;justify-content:center}.plans-section{margin-top:45px}.plan-card{padding:19px}.plan-card h3{font-size:21px}.plan-description{min-height:64px}.steps-grid{grid-template-columns:repeat(2,1fr);gap:14px}.service-section{grid-template-columns:1fr}.service-intro{display:grid;grid-template-columns:1fr auto}.service-intro .section-kicker,.service-intro h2,.service-intro p{grid-column:1}.service-drawing{grid-column:2;grid-row:1/4;margin:0}.faq-section{grid-template-columns:1fr}.faq-intro{display:grid;grid-template-columns:1fr auto}.faq-intro .section-kicker,.faq-intro h2,.faq-intro p{grid-column:1}.faq-help{grid-column:2;grid-row:1/4;margin-top:0}.footer-bottom{display:block}.footer-bottom p{text-align:left;margin-top:8px}}
@media(max-width:700px){html{scroll-padding-top:74px}.container{width:min(100% - 34px,540px)}.hero{display:flex;flex-direction:column;align-items:stretch;gap:10px;padding-block:49px 20px;min-height:0}.hero h1{font-size:clamp(42px,10vw,62px)}.title-spark{width:24px;height:24px;margin-left:5px}.hero-description{font-size:13px;line-height:1.9}.hero-description br.desktop-break{display:none}.hero-actions{gap:9px;margin-top:23px}.hero-actions .button{flex:1;min-width:0;padding-inline:11px;font-size:12px;gap:7px}.hero-checks{gap:14px;margin-top:19px;font-size:10px}.hero-art{width:min(100%,460px);height:375px;margin:8px auto 0}.ai-window{left:13%;width:74%;min-height:283px}.window-top{height:35px}.window-content{padding:17px}.ai-emblem{width:30px;height:30px;margin-bottom:10px;font-size:19px}.window-content p{margin-bottom:13px}.mock-input{margin-top:15px}.label-top{right:0}.label-bottom{left:0;bottom:7%}.use-cases{display:grid;grid-template-columns:repeat(2,1fr);justify-items:start;gap:13px;padding:18px}.use-cases-label{grid-column:1/-1}.use-cases>span{font-size:11px}.section{padding-block:75px}.section-heading{margin-bottom:30px}.section-heading h2,.service-intro h2,.faq-intro h2{font-size:34px}.plans-section{margin-top:27px}.plan-grid{grid-template-columns:1fr}.plan-card{padding:24px}.plan-card.featured{transform:none}.plan-description{min-height:0;margin-bottom:19px}.price-note{min-height:0}.plan-features{gap:9px;margin-top:18px;padding-top:18px}.steps-grid{grid-template-columns:1fr;gap:14px}.steps-note{font-size:13px;line-height:1.8}.step p{margin-bottom:0}.service-section{width:min(100% - 34px,540px);display:block;padding:30px 22px}.service-drawing{display:none}.service-grid{gap:10px}.service-grid article{padding:17px}.faq-intro{display:block}.faq-help{margin-top:20px}.faq-section{gap:30px}.closing{display:block;padding:30px 26px}.closing h2{font-size:31px}.closing .button{margin-top:19px}.closing-star{left:65%;top:-55px;font-size:180px}.footer{padding-top:52px;padding-bottom:95px}.footer-top{display:block}.footer-top>span{display:block;margin-top:8px}.footer-top>div{flex-wrap:wrap;margin-top:22px}.mobile-bottom{position:fixed;z-index:25;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #dce8dc;background:rgba(255,255,255,.96);box-shadow:0 -6px 20px rgba(31,68,39,.06)}.mobile-bottom a{font-size:12px;font-weight:700}.mobile-bottom .button{min-height:42px;font-size:12px}dialog{padding:25px}.mobile-only{display:block}}
@media(max-width:390px){.hero-art{height:315px}.ai-window{top:13%;min-height:260px}.window-content{padding:12px}.prompt-chips span{padding:5px 6px;font-size:8px}.mock-input{margin-top:10px}.label-top{font-size:9px}.label-bottom{bottom:4%}.paper-plane{width:56px}.service-grid{grid-template-columns:1fr}.hero-actions .button{min-height:47px;font-size:11px}.use-cases>span{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* 首屏套餐：沿用奶白、薄荷绿与原有圆角语言。 */
.hero-plans{padding:34px 0 14px;background:radial-gradient(ellipse at 86% 0%,#e8f2e1 0,transparent 48%)}
.hero-plans-heading{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-bottom:25px}
.hero-plans h1{margin:15px 0 10px;font-size:clamp(32px,3.3vw,48px);letter-spacing:-.055em}
.hero-plans h1 span{color:#659474}
.hero-plans .hero-description{max-width:none;margin:0;font-size:13px;line-height:1.8}
.hero-plans .eyebrow{font-size:10px;padding:5px 11px}
.model-highlight{display:flex;align-items:center;gap:15px;padding:17px 21px;border:1px solid #dce8d6;border-radius:19px;background:rgba(255,255,255,.65);flex-shrink:0;transform:rotate(2deg)}
.model-spark{font-size:43px;color:#78a581;line-height:1}
.model-label{display:block;font-size:10px;color:#657e68;letter-spacing:.08em}
.model-highlight strong{display:block;font-size:21px;letter-spacing:-.035em}
.model-highlight p{margin:3px 0 0;font-size:10px;color:#758875}
.hero-plans .plans-topline{margin-bottom:20px;scroll-margin-top:96px}
.hero-plans .plan-category{margin:0;font-size:12px;letter-spacing:0;line-height:1.6}
.hero-plans .plans-topline .text-button{font-size:11px}
.hero-plans .plan-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.hero-plans .plan-card{position:relative;display:flex;flex-direction:column;padding:21px 20px 19px;overflow:hidden;border-color:#dce6d9;background:linear-gradient(160deg,#fff 65%,#f9fcf7)}
.hero-plans .plan-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:#c4d6b9}
.hero-plans .plan-card.featured{transform:none;border-color:#94bc9a;box-shadow:0 10px 28px rgba(51,103,59,.09);background:linear-gradient(155deg,#f0f8ed,#fff 65%)}
.hero-plans .featured:before{background:#79b58b}
.hero-plans .plan-card:nth-child(3):before{background:#8ca994}
.hero-plans .plan-card:nth-child(4):before{background:#507963}
.hero-plans .plan-icon{width:32px;height:32px;border-radius:10px}
.hero-plans .plan-icon svg{width:18px;height:18px}
.hero-plans .plan-english{margin-top:14px;font-size:8px;letter-spacing:.12em;color:#718674}
.hero-plans .plan-card h3{margin:4px 0 15px;font-size:21px;letter-spacing:-.045em;white-space:nowrap}
.hero-plans .plan-price{min-height:35px}
.hero-plans .plan-price .quote-price{font-size:25px}
.hero-plans .price-note{min-height:0;margin:2px 0 0;color:#718174;font-size:10px}
.hero-plans .plan-features{margin:14px 0 15px;padding:14px 0 0;gap:9px;color:#506958;font-size:11px}
.hero-plans .plan-description{display:flex;align-items:center;min-height:56px;margin:0 0 14px;padding:10px 12px;border-radius:11px;background:#f0f5ed;color:#617665;font-size:11px;line-height:1.7}
.hero-plans .plan-card .button{margin-top:auto;min-height:43px;border-radius:11px;font-size:12px}
.plan-divider{border:0;border-top:1px solid #c8d2c5;margin:24px 0 0}
@media(max-width:1100px){.model-highlight{padding:14px;gap:10px}.model-highlight strong{font-size:18px}.model-spark{font-size:34px}.hero-plans .plan-card{padding-inline:15px}.hero-plans .plan-card h3{font-size:19px}.hero-plans .plan-features{font-size:10px}}
@media(max-width:900px){.hero-plans-heading{align-items:flex-start}.model-highlight{display:none}.hero-plans .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-plans .plan-card{padding:22px}.hero-plans .plan-features{font-size:12px}.hero-plans .plan-card h3{font-size:23px}.hero-plans .plan-description{min-height:56px}.hero-plans h1{font-size:38px}.hero-plans .plans-topline{scroll-margin-top:80px}}
@media(max-width:700px){.hero-plans{padding:24px 0}.hero-plans-heading{margin-bottom:22px}.hero-plans h1{font-size:34px;line-height:1.25}.hero-plans h1 span{display:block;margin-top:3px}.hero-plans .hero-description{font-size:12px;max-width:350px}.hero-plans .plan-grid{grid-template-columns:1fr;gap:14px}.hero-plans .plan-card{padding:19px 22px}.hero-plans .plan-english{margin-top:10px}.hero-plans .plan-card h3{margin-bottom:12px}.hero-plans .plan-features{gap:8px}.hero-plans .plan-description{min-height:0}.hero-plans .plans-topline{gap:12px}.hero-plans .plans-topline .text-button{font-size:10px}}

/* 首屏服务卖点标签 */
.hero-service-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:17px}
.hero-service-tags .service-tag{display:inline-flex;align-items:center;min-height:34px;padding:6px 14px;border:1px solid transparent;border-radius:9px;font-size:12px;font-weight:700;line-height:1.5;letter-spacing:.02em}
.hero-service-tags .service-tag-channel{background:#deeedf;border-color:#b7d5bc;color:#285d3c}
.hero-service-tags .service-tag-support{background:#f4ead6;border-color:#e5cf9e;color:#79551e}
@media(max-width:700px){.hero-service-tags{gap:8px;margin-top:14px}.hero-service-tags .service-tag{padding:6px 12px}}

/* 收紧导航与首屏标题之间的留白 */
.hero-plans{padding-top:18px}
.hero-plans h1{margin-top:0}
@media(max-width:700px){.hero-plans{padding-top:16px}}

/* 服务标签统一绿色系，以明度区分核心保障和附加服务。 */
.hero-service-tags .service-tag{background:#eaf2e7;border-color:#cfdfca;color:#42634b;font-weight:600}
.hero-service-tags .service-tag:nth-child(-n+2){background:#397758;border-color:#397758;color:#fff;font-weight:700}

/* 首屏服务标签与套餐选择之间的分隔线。 */
.hero-plans-heading{border-bottom:1px solid #d9ded9;padding-bottom:20px;margin-bottom:20px}

/* 套餐名称右侧的使用定位。 */
.plan-title-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:7px;margin:4px 0 15px}
.hero-plans .plan-title-row h3{margin:0;font-size:19px}
.plan-audience-tag{flex:none;padding:4px 7px;border-radius:6px;background:#eaf2e7;color:#42634b;font-size:10px;font-weight:600;line-height:1.5;white-space:nowrap}
.hero-plans .featured .plan-audience-tag{background:#deeedf;color:#285d3c}

.hero-service-tags .service-tag-emphasis{background:#397758;border-color:#397758;color:#fff;font-weight:700}

.plan-audience-tag{font-size:12px}

/* 收紧套餐信息，突出购买入口。未选中为浅绿标签，选中后反白为实心绿按钮。 */
.hero-plans .plan-features{margin-top:10px;padding-top:12px}
.hero-plans .plan-card .button{min-height:56px;padding:12px 18px;background:#eaf2e7;color:#397758;border:1px solid #cfe0d2;font-size:16px;font-weight:700;box-shadow:none;transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.hero-plans .plan-card:not(.is-selected) .button:hover{background:#dcebd9;border-color:#b9d4c0}
.hero-plans .plan-card.is-selected .button{background:#397758;color:#fff;border-color:#397758;box-shadow:0 5px 12px rgba(35,70,50,.12)}
.hero-plans .plan-card.is-selected .button:hover{background:#285d42;border-color:#285d42;box-shadow:0 8px 18px rgba(35,70,50,.18)}
.hero-plans .plan-card .button span:last-child{font-size:22px}

/* 套餐悬停、选择与按压反馈；用 transform 避免布局跳动。 */
.hero-plans .plan-card{cursor:pointer;transition:transform .28s cubic-bezier(.2,.7,.2,1),border-color .25s ease,box-shadow .28s ease,background .28s ease}
.plan-choice{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}

.hero-plans .plan-card:focus-within{border-color:#78a985;box-shadow:0 0 0 3px rgba(57,119,88,.20),0 12px 28px rgba(35,70,50,.10)}

/* 选中态：加深描边 + 外发光环 + 微染薄荷背景 + 顶部色条渐变。 */
.hero-plans .plan-card.is-selected{border-color:#2f6b4d;background:linear-gradient(160deg,#f2f8ef 0%,#ffffff 58%);box-shadow:inset 0 0 0 1.5px #2f6b4d,0 0 0 4px rgba(57,119,88,.10),0 16px 36px rgba(35,70,50,.15)}
.hero-plans .plan-card.is-selected:before{background:linear-gradient(90deg,#2f6b4d,#3f8260)}

.hero-plans .plan-audience-tag{transition:background-color .25s ease,color .25s ease}
.hero-plans .plan-card.is-selected .plan-audience-tag{background:#2f6b4d;color:#fff}
.hero-plans .plan-card.is-selected h3{color:#1d3a2a}
.hero-plans .plan-card.is-selected .plan-price strong{color:#1d3a2a}

@media(hover:hover) and (pointer:fine){
  .hero-plans .plan-card:not(.is-selected):hover{transform:translateY(-5px);border-color:#78a985;box-shadow:0 16px 32px rgba(35,70,50,.13)}
  .hero-plans .plan-card.is-selected:hover{border-color:#2f6b4d;box-shadow:inset 0 0 0 1.5px #2f6b4d,0 0 0 4px rgba(57,119,88,.10),0 20px 42px rgba(35,70,50,.18)}
}
.hero-plans .plan-card .button:active{transform:translateY(1px) scale(.98);box-shadow:0 2px 5px rgba(35,70,50,.12)}
#contact-dialog[open]{animation:contact-appear .22s cubic-bezier(.2,.7,.2,1)}
@keyframes contact-appear{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(prefers-reduced-motion:reduce){.hero-plans .plan-card,.hero-plans .plan-card .button{transition:none}.hero-plans .plan-card:hover,.hero-plans .plan-card .button:active{transform:none}#contact-dialog[open]{animation:none}}

/* 慢速咨询示例，独立卡片与匿名像素头像。 */
.proof-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.service-proof .proof-heading h3{margin-bottom:6px}
.proof-note{margin:0;color:#65776d;font-size:12px}
.proof-toggle{flex:none;min-height:36px}
.proof-marquee{padding:6px 0 12px}
.proof-track{gap:0;animation:proof-scroll var(--proof-duration,190s) linear infinite}
.proof-group{display:flex;gap:24px;padding-right:24px;flex:none}
@keyframes proof-scroll{to{transform:translateX(var(--proof-distance,-2592px))}}
.proof-track.is-paused,.proof-marquee:hover .proof-track,.proof-marquee:focus-within .proof-track{animation-play-state:paused}
.wechat-card{width:300px;height:180px;padding:10px 12px;gap:5px;background:#ededed;border:1px solid #d4ddd3;box-shadow:0 3px 9px rgba(35,70,50,.06)}
.chat-caption{font-size:10px;line-height:14px;color:#67756b;margin-bottom:2px}
.wx-avatar{width:26px;height:26px}
.wx-bubble{max-width:228px;padding:5px 8px;font-size:12px;line-height:1.45}
.wx-avatar.wx-mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);overflow:hidden;gap:0}
.wx-mosaic i{display:block;width:100%;height:100%}
@media(prefers-reduced-motion:reduce){.proof-track{animation:none;transform:none}.proof-copy,.proof-toggle{display:none}.proof-marquee{overflow-x:auto;mask-image:none;-webkit-mask-image:none}}

/* 轻微拉开消息间距，收紧服务区纵向留白。 */
.wechat-card{gap:8px;overflow-y:auto}
.service-proof{margin-top:22px}
.service-proof .proof-marquee{margin-top:10px;padding-bottom:6px}
.service-products{margin-top:18px}
.service-products .products-title{margin-bottom:10px}
.service-cta{margin-top:18px}
.service-section{padding-bottom:24px}
@media(min-width:901px){.service-drawing{margin-top:10px}.service-drawing svg{width:64px}}

/* 产品标签使用对应品牌图标。 */
.products-tags>span{display:inline-flex;align-items:center;gap:8px}
.products-tags>span>img{display:block;width:18px;height:18px;flex:none;object-fit:contain}


/* === 咨询弹窗：二维码模式（2026-09-20）=== */
#contact-dialog label,#contact-dialog textarea,#contact-dialog #plan-select,
#contact-dialog .copy-message,#contact-dialog .dialog-note,
#contact-dialog .dialog-icon,#contact-dialog .section-kicker,#contact-title,#contact-description,
#contact-dialog .contact-channel strong,#contact-dialog .dialog-feedback{display:none!important}
#contact-dialog[open]{width:min(340px,calc(100% - 28px));padding:0;border:0;border-radius:22px;background:#fff;overflow:hidden}
#contact-dialog .contact-channel{margin:0;padding:0;background:transparent;display:block;text-align:center}
#contact-dialog .contact-qr{display:block;width:100%!important;max-width:none!important;max-height:none!important;height:auto;margin:0;padding:0;border:0;border-radius:0;object-fit:contain}
#contact-dialog .dialog-close{position:absolute;top:10px;right:10px;z-index:2;background:rgba(255,255,255,.88)}


/* === 独立详情页样式（chatgpt-plus / codex / refund-policy / about）=== */
.detail-main{padding:34px 0 60px}
.breadcrumbs{font-size:12px;color:#7b8a7e;margin-bottom:18px}
.breadcrumbs a{color:#4c8464;text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}
.detail-hero{margin-bottom:28px}
.detail-label{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.14em;color:#5a8a6c;margin:0 0 10px}
.detail-hero h1{font-size:clamp(28px,4.5vw,40px);line-height:1.25;margin:0 0 12px;color:#1f3a2a}
.detail-intro{font-size:15px;line-height:1.8;color:#55655a;max-width:640px;margin:0}
.detail-section{background:#fff;border:1px solid #e4ece2;border-radius:18px;padding:26px;margin-bottom:18px}
.detail-section h2{font-size:20px;margin:0 0 12px;color:#1f3a2a}
.detail-section h3{font-size:15px;margin:0 0 6px;color:#2c4a36}
.detail-section p,.detail-section li{font-size:14px;line-height:1.8;color:#55655a}
.detail-section ol,.detail-section ul{padding-left:20px;margin:10px 0}
.detail-price{font-size:30px;font-weight:800;color:#3b8054;margin:6px 0}
.detail-highlight{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#f2f7f0,#eef6e9)}
.detail-highlight p{margin:6px 0}
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:14px 0}
.detail-grid article{background:#f7faf5;border-radius:12px;padding:16px}
.detail-grid-three{grid-template-columns:repeat(3,1fr)}
.detail-plan{text-align:center}
.detail-plan .detail-price{font-size:24px}
.detail-steps{counter-reset:dstep;list-style:none;padding-left:0}
.detail-steps li{position:relative;padding:0 0 16px 44px;border-left:2px solid #d8e6d6;margin-left:14px}
.detail-steps li:last-child{padding-bottom:0}
.detail-steps strong{color:#1f3a2a}
.detail-actions{display:flex;flex-wrap:wrap;gap:10px}
.detail-actions a{display:inline-flex;align-items:center;padding:10px 16px;border-radius:10px;background:#eef6e9;color:#2c5a3e;font-size:13px;font-weight:600;text-decoration:none}
.detail-actions .button{margin:0}
a.text-button{display:inline-block;margin-top:12px;color:#3b8054;font-weight:600;text-decoration:none}
a.text-button:hover{text-decoration:underline}
@media(max-width:700px){.detail-grid,.detail-grid-three{grid-template-columns:1fr}.detail-highlight{flex-direction:column;align-items:flex-start}.detail-section{padding:20px}}