:root{--blue:#126bc2;--blue-deep:#1266bd;--purple:#6a5aed;--ink:#252b3a;--muted:#576173;--line:#e4e9f0;--pale:#f5f8fc;--radius:12px;--shadow:0 18px 50px rgba(52,77,126,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:16px;line-height:1.65;background:#fff}button,input,select{font:inherit}a{color:inherit;text-decoration:none;text-underline-offset:4px}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--purple);outline-offset:4px}::selection{background:#c8dcff;color:#183456}input{caret-color:var(--blue)}img{max-width:100%;display:block}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}.skip{position:absolute;top:-80px;left:16px;z-index:20;background:#fff;padding:12px}.skip:focus{top:10px}.header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #eef1f5}.header-inner{height:82px;display:flex;align-items:center;gap:48px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;color:#166dbe;font-size:25px;font-weight:700;letter-spacing:.04em}.brand-mark{width:34px;height:36px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.nav{display:flex;align-items:center;gap:32px;margin-left:auto;font-size:15px}.nav a:hover{color:var(--blue)}.top-actions{display:flex;gap:10px}.button{min-height:46px;padding:11px 24px;display:inline-flex;justify-content:center;align-items:center;gap:10px;border:0;border-radius:5px;color:#fff;background:linear-gradient(110deg,#246bcf,#6960ef);font-weight:500;line-height:1.5;transition:background .2s,transform .2s}.button:hover{background:var(--blue-deep);transform:translateY(-2px)}.button.secondary{background:#fff;color:var(--blue-deep);border:1px solid #9ebfe6}.button.secondary:hover{background:#edf5ff}.button.small{font-size:14px;padding:9px 15px;min-height:40px}.menu-toggle{display:none;min-width:44px;min-height:44px;background:#fff;border:1px solid var(--line);border-radius:5px;padding:5px 10px;color:var(--ink)}.hero{overflow:hidden;background:radial-gradient(ellipse at 90% 8%,#9eecf6 0,transparent 40%),radial-gradient(ellipse at 20% 120%,#f7d8fc 0,transparent 55%),#fbfbff}.hero-inner{min-height:535px;display:grid;grid-template-columns:1.04fr 1fr;align-items:center;gap:64px;padding-block:70px}.hero h1{font-size:clamp(36px,3.4vw,49px);font-weight:500;line-height:1.4;letter-spacing:-.025em;margin:0 0 22px;text-wrap:balance;color:#172031}.hero p{max-width:510px;margin:0 0 28px;color:#43516a;line-height:1.9}.actions{display:flex;flex-wrap:wrap;gap:14px}.hero-note{font-size:13px;color:#4e5f79;margin-top:20px}.conversation{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:26px;transform:rotate(-1deg)}.window-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600}.demo-tag{font-size:12px;color:#6b7382;font-weight:400}.conversation-body{padding-top:22px}.bubble{padding:17px 20px;background:#f0f4fa;border-radius:10px;margin-bottom:14px;font-size:14px}.bubble small{display:block;color:#5e6e86;font-size:12px;margin-bottom:7px}.bubble.response{margin-left:42px;background:#eaf2ff;color:#244774}.next-task{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed #d5ddeb;padding-top:18px;margin-top:22px;font-size:13px;gap:16px}.task-label{color:var(--blue-deep);background:#edf5ff;padding:4px 10px;border-radius:4px;white-space:nowrap}.help-strip{padding:48px 0 38px;background:#f3f7fe url('conversation-bg.png') center top/auto calc(100% + 10px) no-repeat;text-align:center}.help-strip h2{font-size:26px;margin:0 0 10px;font-weight:600}.help-strip p{margin:0;color:var(--muted)}.topic-links{display:flex;justify-content:center;gap:18px;margin-top:26px;flex-wrap:wrap}.topic-links a{background:#fff;border-radius:6px;padding:10px 24px;color:#53647c;font-size:14px}.topic-links a:hover{color:var(--blue);box-shadow:0 5px 20px #d4e3f5}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);padding-block:40px}.capabilities div{padding:0 16px;text-align:center;border-right:1px solid var(--line)}.capabilities div:last-child{border:0}.capabilities strong{display:block;color:var(--blue);font-size:24px;font-weight:500}.capabilities span{display:block;font-size:13px;color:var(--muted);margin-top:7px}.section{padding-block:84px}.section-head{text-align:center;max-width:760px;margin:0 auto 42px}.section-head h2{font-size:34px;font-weight:500;line-height:1.4;margin:0 0 16px;text-wrap:balance}.section-head p{color:var(--muted);margin:0}.tabs{display:flex;justify-content:center;gap:36px;border-bottom:1px solid var(--line);margin-bottom:48px}.tab{border:0;border-bottom:3px solid transparent;background:none;padding:15px 24px;color:#5d6778}.tab[aria-selected=true]{color:var(--blue);border-color:var(--blue)}.feature-row{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:76px}.feature-copy h3{font-size:29px;font-weight:500;line-height:1.5;margin:0 0 18px}.feature-copy p{color:var(--muted);margin:0 0 22px}.feature-copy ul{padding:0;list-style:none;color:#4a586e;margin:0}.feature-copy li{position:relative;padding-left:20px;margin:12px 0}.feature-copy li:before{content:'';position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--blue)}.product-surface{background:#eef5ff;border-radius:16px;padding:26px}.surface-head{font-size:13px;color:#59708f;display:flex;justify-content:space-between;margin-bottom:17px}.message-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.language-block{background:#fff;border-radius:8px;padding:20px;font-size:14px;min-height:145px}.language-block b{display:block;font-size:12px;color:#53647c;font-weight:400;margin-bottom:14px}.language-block.highlight{background:#dfeeff;color:#244b82}.surface-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#556c8a}.surface-foot span:last-child{color:#215da5}.tinted{background:#f7f9fc}.workflow .feature-row{grid-template-columns:1.08fr 1fr}.timeline{padding:24px 30px;background:#fff;box-shadow:var(--shadow);border-radius:12px}.timeline-row{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);font-size:14px}.timeline-row:last-child{border:0}.timeline-dot{border:1px solid #b7d0ed;border-radius:50%;width:24px;height:24px;color:#2467b7;display:grid;place-items:center;font-size:12px}.timeline-row p{margin:0}.timeline-row small{color:#53647c;font-size:12px}.timeline-state{font-size:12px;color:#42638e;white-space:nowrap}.workflow .feature-copy a{display:inline-block;color:var(--blue-deep);border-bottom:1px solid var(--blue);margin-top:22px}.client-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:900px;margin:auto}.client{background:#f6f9fd;padding:32px;border-radius:12px}.client h3{font-size:25px;font-weight:500;margin:18px 0 8px}.client p{color:var(--muted);margin:0 0 24px;font-size:14px}.os-icon{width:36px;height:36px;stroke:#3177c4;fill:none;stroke-width:1.5}.client .availability{margin:15px 0 0;font-size:12px;color:var(--muted)}.faq{max-width:900px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;color:#314056;padding-right:16px;font-size:17px}.faq details p{color:var(--muted);font-size:14px;padding-left:0;margin:14px 0 0;max-width:760px}.closing{padding-block:58px;background:#edf4fe;text-align:center}.closing h2{font-size:30px;font-weight:500;margin:0 0 24px}.footer{padding:32px 0;color:#66748a;font-size:13px}.footer-inner{display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}.footer strong{font-size:17px;color:#4275ab;font-weight:500}.footer-links{display:flex;gap:24px}.footer a{text-decoration:underline}.contact-panel{background:#fff;box-shadow:var(--shadow);padding:32px;border-radius:16px}.contact-panel h2{font-size:24px;font-weight:500;margin:0 0 8px}.contact-panel>p{font-size:14px;margin:0 0 24px}.field{display:block;font-size:14px;color:#3d4e68;margin-top:15px}.field input,.field select{margin-top:7px;width:100%;border:1px solid #bdc9db;padding:12px 13px;border-radius:5px;background:#fff;color:var(--ink);min-height:47px}.field input::placeholder{color:var(--muted)}.consent{font-size:12px;color:#5f6e83;margin-top:16px}.consent a{color:#195fae;text-decoration:underline}.contact-panel .button{width:100%;margin-top:22px}.form-status{min-height:24px;font-size:14px;color:#a3332b;margin-top:12px;line-height:1.6}.consult-intro{max-width:760px;margin:auto;text-align:center}.consult-intro h3{font-size:28px;font-weight:500;margin:0 0 20px}.consult-intro p{color:var(--muted);margin-bottom:28px}.email .hero-inner{gap:70px;grid-template-columns:1.12fr 1fr}.email .hero h1{font-size:45px}.email .hero{background:radial-gradient(ellipse at 95% 0,#b4e6fc 0,transparent 45%),radial-gradient(ellipse at 10% 100%,#ebddff 0,transparent 55%),#fafbff}.email .hero-note{font-size:14px}.dialog{width:min(600px,calc(100% - 32px));border:0;border-radius:12px;padding:32px;color:var(--ink);box-shadow:0 20px 80px #1b305640;max-height:85dvh;overflow:auto}.dialog::backdrop{background:#14274466}.dialog h2{font-size:25px;line-height:1.45;font-weight:500;margin:0 40px 15px 0}.dialog h3{font-size:17px;margin:22px 0 8px}.dialog p,.dialog li{font-size:14px;color:#536279}.dialog-close{position:absolute;right:20px;top:17px;border:0;background:#f1f4f8;color:#42536b;width:34px;height:34px;border-radius:50%;font-size:22px;line-height:1}.dialog .button{margin-top:18px}.dialog ul{padding-left:20px}.dialog a{color:var(--blue-deep);text-decoration:underline}
@media(min-width:900px) and (prefers-reduced-motion:no-preference){.conversation{animation:arrive .7s cubic-bezier(.16,1,.3,1) both}@keyframes arrive{from{transform:translateY(14px) rotate(-1deg);filter:blur(1px)}to{transform:translateY(0) rotate(-1deg);filter:blur(0)}}}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.header-inner{gap:24px}.nav{gap:20px}.hero-inner{gap:34px}.hero h1,.email .hero h1{font-size:39px}.feature-row{gap:40px}.top-actions .button{padding-inline:12px}.brand{font-size:22px}}
@media(max-width:820px){html{scroll-padding-top:84px}.wrap{width:calc(100% - 40px)}.header-inner{height:72px;gap:12px;flex-wrap:wrap}.brand{font-size:22px}.menu-toggle{display:block;margin-left:auto}.top-actions{display:none}.nav{display:none;position:absolute;top:72px;left:0;width:100%;padding:18px 20px;background:#fff;border-bottom:1px solid var(--line);margin:0;box-shadow:0 10px 18px #294d7320}.nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav a{padding:12px 4px}.hero-inner,.email .hero-inner{grid-template-columns:1fr;padding-block:44px;gap:38px;min-height:0}.hero h1,.email .hero h1{font-size:36px;max-width:600px}.hero p{font-size:15px;max-width:600px}.hero-note{margin-top:16px}.conversation{max-width:560px;width:100%;margin:auto;padding:22px;transform:none}.help-strip{padding:32px 0}.help-strip h2{font-size:23px}.help-strip p{font-size:14px}.topic-links{gap:10px;margin-top:22px}.topic-links a{padding:8px 12px;font-size:13px}.capabilities{grid-template-columns:1fr 1fr;gap:24px 0;padding-block:30px}.capabilities div:nth-child(2){border:0}.capabilities strong{font-size:21px}.capabilities span{font-size:12px}.section{padding-block:52px}.section-head{margin-bottom:30px}.section-head h2{font-size:28px}.section-head p{font-size:14px}.tabs{gap:0;margin-bottom:28px;justify-content:space-between}.tab{padding:12px 4px;font-size:14px;flex:1}.feature-row,.workflow .feature-row{grid-template-columns:1fr;gap:30px}.feature-copy h3{font-size:25px}.feature-copy p,.feature-copy li{font-size:14px}.workflow .timeline{order:2;padding:18px 20px}.workflow .feature-copy{order:1}.product-surface{padding:20px}.client-grid{grid-template-columns:1fr;gap:18px}.client{padding:26px}.client h3{margin-top:14px}.contact-panel{padding:24px;max-width:560px;width:100%;margin:auto}.contact-panel h2{font-size:23px}.email .hero .hero-copy{padding-bottom:0}.footer{padding:28px 0}.footer-inner{gap:18px;align-items:flex-start;flex-direction:column}.footer-links{gap:20px}.closing{padding-block:40px}.closing h2{font-size:25px}.consult-intro h3{font-size:26px}.dialog{padding:26px}.dialog h2{font-size:23px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.hero h1,.email .hero h1{font-size:31px}.hero .actions{gap:10px}.hero .button{padding-inline:18px}.brand{font-size:20px}.message-row{grid-template-columns:1fr}.language-block{min-height:0}.bubble.response{margin-left:15px}.surface-foot{align-items:flex-start;gap:10px}.timeline-row{grid-template-columns:26px 1fr}.timeline-state{grid-column:2}.contact-panel{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.consult-dialog{width:min(520px,calc(100% - 32px));padding:34px}.consult-dialog>p{margin-bottom:24px}.modal-form .field{margin-top:0}.modal-form .button{width:100%;margin-top:24px}.consent-check{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:12px;line-height:1.8;color:var(--muted)}.consent-check input{flex:none;width:17px;height:17px;margin:3px 0 0;accent-color:var(--blue)}.consent-check a{color:var(--blue-deep);text-decoration:underline}.button:disabled{cursor:wait;background:#65748c;transform:none;color:#fff}.field input[readonly]{background:#f4f7fb}.form-status.is-success{color:#217149}.form-status{overflow-wrap:anywhere}.consult-dialog .form-status{min-height:25px}
@media(max-width:820px){.consult-dialog{padding:28px 24px}.consult-dialog .field input{font-size:16px}.consent-check{font-size:12px}.consult-dialog h2{margin-right:22px}}