:root{--ink:#162035;--muted:#657089;--primary:#4f46e5;--primary-hover:#4338ca;--line:#e7eaf2;--soft:#f5f7fc;--amber:#9a4f0c;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;line-height:1.6}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #818cf8;outline-offset:4px}img{display:block;width:100%;height:auto}.container{width:min(1160px,calc(100% - 80px));margin:0 auto}.site-header{position:sticky;top:0;z-index:8;background:#ffffffed;backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:86px}.welcome-brand{display:inline-flex;align-items:center;gap:11px;font-weight:760;font-size:19px;line-height:1.25;letter-spacing:-.03em}.welcome-brand small{display:block;margin-top:5px;color:#919bad;font-size:8px;letter-spacing:.13em;font-weight:600}.welcome-mark{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:11px;color:#fff;background:#4f46e5;font-size:18px}.nav-links{display:flex;align-items:center;gap:29px;margin-left:auto;margin-right:13px;color:#657089;font-size:13px}.nav-links a:hover{color:var(--primary)}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:47px;padding:11px 20px;border:1px solid transparent;border-radius:9px;font-size:14px;font-weight:650;line-height:1.5;transition:background .16s,box-shadow .16s}.button-primary{background:var(--primary);color:#fff;box-shadow:0 9px 22px #4f46e523}.button-primary:hover{background:var(--primary-hover);box-shadow:0 10px 24px #4f46e536}.button-outline{background:#fff;color:var(--primary);border-color:#dce0f7}.button-outline:hover{background:#f6f7ff}.button-text{color:var(--primary);background:transparent}.button-text:hover{background:#f3f4fc}.nav-cta{font-size:12px;min-height:38px;padding:8px 13px;gap:12px}.hero{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-top:86px;padding-bottom:80px}.section-tag{display:block;color:var(--primary);font-size:10px;font-weight:750;letter-spacing:.16em}.hero h1{font-size:clamp(48px,5vw,72px);font-weight:850;line-height:1;letter-spacing:-.055em;margin:23px 0 26px}.hero h2{font-size:clamp(27px,3vw,38px);font-weight:720;letter-spacing:-.04em;line-height:1.35;margin:0}.hero h2 span{color:var(--primary)}.hero-description{color:var(--muted);font-size:14px;line-height:1.9;margin:21px 0 26px}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.hero-tags span{color:#64708a;font-size:11px;border:1px solid #e2e6f2;border-radius:6px;padding:4px 8px;background:#fafbfe}.hero-note{color:#929bad;font-size:11px;margin:14px 0 0}.hero-preview{margin:0;padding:12px;border:1px solid #e5e8f3;border-radius:19px;background:#f8f9ff;box-shadow:0 25px 55px #26376b0e}.preview-label{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:2px 5px 12px;color:#98a0b6;font-size:9px;font-weight:750;letter-spacing:.1em}.label-live{color:#15803d;background:#ecfdf3;padding:3px 7px;border-radius:5px;letter-spacing:0;font-size:10px}.image-button{display:block;width:100%;padding:0;background:#fff;border:0;overflow:hidden;border-radius:10px;cursor:zoom-in}.image-button:hover{box-shadow:0 0 0 2px #c7d2fe}.hero-preview figcaption,.wide-preview figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#7a859c;font-size:10px;padding:13px 5px 3px}.hero-preview figcaption span,.wide-preview figcaption span{color:var(--primary);white-space:nowrap}.capability-strip{background:#f9fafc;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.capability-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:22px 0}.capability-list span{display:flex;align-items:center;justify-content:center;gap:13px;color:#505d73;font-size:13px;border-right:1px solid var(--line)}.capability-list span:last-child{border:0}.capability-list b{color:#b0b7ca;font-size:11px;font-weight:650}.section{padding-top:81px;padding-bottom:85px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}.section-heading h2{font-size:30px;line-height:1.45;font-weight:750;letter-spacing:-.04em;margin:13px 0 0}.section-heading>p{margin:0 0 4px;color:var(--muted);font-size:13px;line-height:1.8}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{padding:25px 22px 23px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:border-color .16s}.feature-card:hover{border-color:#c7d2fe}.feature-number{font-size:9px;letter-spacing:.1em;font-weight:750;color:#8e98b2}.feature-card h3{font-size:17px;line-height:1.55;margin:21px 0 10px;font-weight:720;letter-spacing:-.025em}.feature-card p{font-size:12px;color:var(--muted);line-height:1.95;margin:0 0 23px;min-height:92px}.feature-note{display:block;color:var(--primary);font-size:10px;font-weight:600;border-top:1px solid #eef0f6;padding-top:13px}.showcase-section{background:var(--soft);padding:80px 0}.access-showcase{background:#fff;border:1px solid #e5e8f1;border-radius:20px;padding:29px 29px 18px}.showcase-copy{display:grid;grid-template-columns:1fr 1fr;gap:10px 35px;margin-bottom:23px;align-items:start}.subtle-label{display:block;color:#939cb3;font-size:9px;font-weight:750;letter-spacing:.13em}.showcase-copy .subtle-label{grid-column:1}.showcase-copy h3{grid-column:1;grid-row:2;margin:0;font-size:26px;line-height:1.5;letter-spacing:-.04em}.showcase-copy p{grid-column:2;grid-row:1/3;color:var(--muted);font-size:13px;line-height:1.85;margin:0}.data-tags{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.data-tags span{color:#728099;font-size:10px;background:#f5f7fc;border-radius:6px;padding:5px 9px}.wide-preview{margin:0}.wide-preview img{border:1px solid #edf0f5;border-radius:10px}.analysis-note{color:#7e889a;font-size:10px;margin:15px 4px 0;padding-top:13px;border-top:1px solid #f0f2f6;line-height:1.7}.editing-showcase{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:68px 22px 5px}.editing-showcase h3{font-size:27px;line-height:1.5;letter-spacing:-.035em;margin:15px 0}.editing-showcase p{color:var(--muted);font-size:13px;line-height:1.85;max-width:430px}.check-list{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px;color:#505d73;font-size:12px}.check-list li{border-left:3px solid #c7d2fe;padding-left:11px}.workflow-card{padding:27px;border:1px solid #e2e6f1;border-radius:15px;background:#fff}.workflow-card ol{margin:23px 0 0;padding:0;list-style:none}.workflow-card li{display:flex;align-items:center;gap:17px;padding:17px 0;border-bottom:1px solid #eef0f6}.workflow-card li:first-child{padding-top:0}.workflow-card li:last-child{border:0;padding-bottom:0}.workflow-card li>span{flex:none;background:#eef2ff;border:1px solid #e0e7ff;color:var(--primary);padding:8px 10px;border-radius:8px;font-size:12px;font-weight:650}.workflow-card h4{margin:0;font-size:14px}.workflow-card p{margin:3px 0 0;font-size:11px}.faq-list{border-top:1px solid var(--line)}details{padding:20px 3px;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:14px;font-weight:650;list-style-position:inside;color:#283650}details[open] summary{color:var(--primary)}details p{margin:15px 0 2px;padding-left:19px;max-width:850px;color:var(--muted);font-size:13px;line-height:1.95}.contact-section{display:grid;grid-template-columns:1fr 1.3fr;gap:72px;align-items:center;padding:0 0 85px}.contact-intro h2{font-size:34px;letter-spacing:-.04em;line-height:1.4;margin:12px 0}.contact-intro p{color:var(--muted);font-size:13px;line-height:1.9;margin:16px 0 23px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-card{background:#f9faff;border:1px solid #e4e8f5;border-radius:13px;padding:21px;display:flex;flex-direction:column;align-items:flex-start}.contact-label{color:#97a0b7;font-size:8px;letter-spacing:.1em;font-weight:700}.contact-card h3{font-size:12px;font-weight:650;margin:11px 0 7px;color:#657089}.contact-card strong{font-size:17px;font-weight:720;letter-spacing:-.02em;white-space:nowrap}.contact-card strong span{color:#929bad;font-size:12px;font-weight:500;margin:0 5px}.copy-button{padding:0;margin:16px 0 0;border:0;border-bottom:1px solid #d7dcf7;background:transparent;color:var(--primary);font-size:11px;line-height:1.8}.copy-button:hover{color:var(--primary-hover);border-color:var(--primary)}.contact-wide{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;gap:10px}.wechat-actions{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.wechat-actions .copy-button{margin:0}.welcome-footer{padding:31px 0 25px;background:#eff1f5;border-top:1px solid #e4e7ee;color:#626c7e;font-size:10px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:22px;border-bottom:1px solid #dfe4ec}.footer-brand{font-size:18px;font-weight:750;color:#414d61;letter-spacing:-.03em}.footer-brand span{font-size:11px;margin-left:5px}.footer-top p{margin:0}.footer-bottom{display:flex;flex-direction:column;gap:17px;padding-top:22px}.footer-bottom nav{display:flex;align-items:center;flex-wrap:wrap;gap:15px}.footer-bottom a:hover{text-decoration:underline}.footer-bottom .disclaimer-button{display:inline-flex;border:1px solid #e6cba9;background:#fff4de;color:#8b490c;padding:5px 11px;border-radius:6px;font-size:11px;font-weight:700;line-height:1.5;margin-left:auto}.footer-bottom .disclaimer-button:hover{background:#ffedcd;text-decoration:none}.dialog-open{overflow:hidden}dialog{border:0;padding:0;color:var(--ink);border-radius:17px;box-shadow:0 22px 90px #10182840}dialog::backdrop{background:#15203588;backdrop-filter:blur(3px)}.cooperation-dialog{width:min(510px,calc(100% - 36px));padding:27px}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:18px}.dialog-close{border:1px solid #e3e7f1;background:#f8f9fc;color:#667085;padding:6px 11px;border-radius:7px;font-size:11px}.dialog-close:hover{background:#edf0f8}.cooperation-dialog h2{font-size:22px;margin:25px 0 9px;line-height:1.5;letter-spacing:-.03em}.cooperation-dialog>p{color:var(--muted);font-size:12px;margin:0 0 22px}.dialog-contacts{margin:0 0 22px;padding:14px 17px;border:1px solid #e0e7ff;border-radius:10px;background:#f8faff}.dialog-contacts div{display:flex;gap:13px;align-items:center;padding:8px 0}.dialog-contacts dt{width:63px;font-size:11px;color:#7d88a0}.dialog-contacts dd{margin:0;font-size:13px;font-weight:600}.cooperation-dialog>.button{width:100%;min-height:42px}.screenshot-dialog{width:min(1400px,calc(100% - 30px));max-height:95vh;overflow:auto;background:#f7f9ff;padding:14px}.image-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 4px 12px}.image-dialog-header p{margin:0;color:#56617b;font-size:12px}.screenshot-dialog img{border-radius:9px}.copy-status{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:12;color:#fff;background:#152035;padding:11px 18px;border-radius:9px;box-shadow:0 10px 30px #15203533;font-size:13px;max-width:90vw}.legal-page{background:#f6f8fc}.legal-main{max-width:920px;padding-top:55px;padding-bottom:60px}.legal-heading h1{font-size:38px;letter-spacing:-.04em;margin:13px 0 6px}.legal-heading>p{color:#657089;font-size:13px;margin:0 0 8px}.legal-date{color:#9aa2b5;font-size:11px}.legal-card{margin-top:30px;padding:33px;background:#fff;border:1px solid #e4e8f1;border-radius:18px}.legal-alert{padding:18px 20px;border:1px solid #f2d9b4;background:#fffaed;border-radius:10px;color:#8d5118}.legal-alert strong{font-size:15px}.legal-alert p{margin:7px 0 0;color:#96653e;font-size:13px;line-height:1.9}.legal-card section{padding-top:27px}.legal-card h2{font-size:17px;margin:0 0 10px;letter-spacing:-.02em}.legal-card section>p{margin:0;color:var(--muted);font-size:13px;line-height:2}.legal-contact-list{border:1px solid #e5e9f2;padding:13px 19px;margin:12px 0 16px;background:#f9faff;border-radius:8px}.legal-contact-list div{display:flex;align-items:center;gap:20px;padding:7px 0}.legal-contact-list dt{font-size:12px;width:95px;color:#7d879d}.legal-contact-list dd{font-size:13px;margin:0}.legal-card section>.legal-reference{font-size:11px;color:#8d97ac}.legal-reference a{color:var(--primary);text-decoration:underline}.legal-bottom{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:27px}
@media(min-width:1450px){.hero{padding-top:100px;padding-bottom:100px}}@media(max-width:1000px){.container{width:calc(100% - 48px)}.hero{gap:28px;padding-top:58px;padding-bottom:60px}.hero h1{font-size:52px}.hero h2{font-size:29px}.nav-links{gap:15px;margin-right:0}.feature-grid{grid-template-columns:1fr 1fr}.feature-card p{min-height:50px}.contact-section{gap:30px;grid-template-columns:.85fr 1.25fr}.contact-card{padding:17px}.contact-card strong{font-size:15px}.editing-showcase{gap:35px}.section-heading h2{font-size:27px}.check-list{grid-template-columns:1fr}.desktop-break{display:none}.contact-wide{align-items:flex-start;flex-direction:column}.wechat-actions{flex-direction:row;align-items:center;margin-top:8px}.hero-preview figcaption{display:block}.hero-preview figcaption span{display:block;margin-top:4px}}
@media(max-width:700px){html{scroll-padding-top:85px}.container{width:calc(100% - 36px)}.site-nav{min-height:71px;gap:10px}.welcome-brand{font-size:16px;gap:9px}.welcome-brand small{font-size:6px}.welcome-mark{width:29px;height:29px;font-size:14px;border-radius:8px}.nav-links{display:none}.nav-cta{font-size:10px;gap:5px;padding:7px 9px;min-height:34px}.hero{grid-template-columns:1fr;gap:32px;padding-top:45px;padding-bottom:42px}.hero h1{font-size:52px;margin:20px 0 22px}.hero h2{font-size:28px}.hero-description{font-size:13px;margin:17px 0 21px}.hero-actions{gap:6px}.hero-actions .button{font-size:12px;padding:10px 15px;gap:10px;min-height:43px}.hero-tags{margin-top:22px}.hero-tags span{font-size:10px}.hero-note{font-size:10px}.hero-preview{padding:10px;border-radius:13px}.hero-preview figcaption{display:flex;font-size:9px}.capability-list{grid-template-columns:1fr 1fr;padding:15px 0;gap:14px}.capability-list span{font-size:11px}.capability-list span:nth-child(2){border:0}.section{padding-top:48px;padding-bottom:48px}.section-heading{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}.section-heading h2{font-size:25px;line-height:1.4}.section-heading>p{font-size:12px}.feature-grid{gap:12px}.feature-card{padding:19px 15px;border-radius:11px}.feature-number{font-size:8px}.feature-card h3{font-size:14px;margin:15px 0 8px;min-height:44px}.feature-card p{font-size:11px;line-height:1.9;min-height:102px;margin-bottom:16px}.feature-note{font-size:9px;line-height:1.8}.showcase-section{padding:48px 0}.access-showcase{padding:18px 14px;border-radius:14px}.showcase-copy{display:block;margin-bottom:17px}.showcase-copy h3{font-size:22px;margin:9px 0}.showcase-copy p{font-size:12px}.data-tags{gap:5px;margin-top:13px}.data-tags span{font-size:9px;padding:4px 6px}.wide-preview figcaption{align-items:flex-start;font-size:9px;line-height:1.7}.wide-preview figcaption span{white-space:normal;text-align:right;max-width:80px}.analysis-note{font-size:9px;margin-top:12px}.editing-showcase{padding:37px 0 0;grid-template-columns:1fr;gap:22px}.editing-showcase h3{font-size:23px;margin:12px 0}.editing-showcase p{font-size:12px}.check-list{grid-template-columns:1fr 1fr;font-size:10px;gap:12px}.workflow-card{padding:22px}.workflow-card li{padding:13px 0}.contact-section{padding-bottom:45px;grid-template-columns:1fr;gap:26px}.contact-intro h2{font-size:29px}.contact-card strong{font-size:14px}.contact-card h3{font-size:11px}.contact-label{font-size:7px}.contact-wide{flex-direction:row;align-items:center;flex-wrap:wrap}.wechat-actions{margin:6px 0 0;gap:17px}.contact-wide strong{white-space:normal}.contact-wide strong span{margin:0 3px}.footer-top{flex-direction:column;align-items:flex-start;gap:12px;padding-bottom:16px}.footer-top p{font-size:10px;line-height:1.9}.footer-bottom{font-size:9px;gap:13px;padding-top:16px}.footer-bottom nav{gap:10px 13px}.footer-bottom .disclaimer-button{margin-left:0}.welcome-footer{padding:24px 0}.cooperation-dialog{padding:22px}.cooperation-dialog h2{font-size:20px}.dialog-contacts{padding:12px}.dialog-contacts dt{width:51px;font-size:10px}.dialog-contacts dd{font-size:11px}.image-dialog-header p{font-size:10px;max-width:65%}.screenshot-dialog{padding:9px}.legal-main{padding-top:35px;padding-bottom:40px}.legal-heading h1{font-size:31px}.legal-card{padding:20px;margin-top:22px;border-radius:13px}.legal-alert{padding:14px}.legal-alert strong{font-size:13px}.legal-alert p,.legal-card section>p{font-size:12px}.legal-card h2{font-size:15px}.legal-card section{padding-top:23px}.legal-contact-list{padding:9px 12px}.legal-contact-list div{gap:10px;align-items:flex-start}.legal-contact-list dt{width:75px;font-size:10px;flex:none}.legal-contact-list dd{font-size:11px}.legal-bottom .button{font-size:12px;padding:10px 14px}.legal-page .welcome-brand small{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:700px){.nav-cta{display:none!important}}

/* Language selector */
.nav-actions{display:flex;align-items:center;gap:12px}
.language-picker{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px}
.language-icon{display:inline-grid;place-items:center;width:22px;height:22px;border:1px solid #dce0f7;border-radius:50%;color:var(--primary);font-size:13px}
.language-picker select{height:34px;padding:0 26px 0 9px;border:1px solid #dce0f7;border-radius:8px;background:#fff;color:var(--ink);font-size:11px;cursor:pointer}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.nav-actions{gap:6px}.language-picker select{height:32px;padding-left:6px;padding-right:20px;font-size:10px}.language-icon{display:none}.nav-cta{display:none!important}}