/* Linglu AI · shared multi-page presentation */
:root{--ll-orange:#f56816;--ll-ink:#252522;--ll-muted:#77746f;--ll-line:#e9e5de;--ll-paper:#faf8f4;--ll-radius:24px;--ll-width:1200px}
*{box-sizing:border-box}html{scroll-padding-top:88px}body.modern-site{margin:0;background:#fff;color:var(--ll-ink);font:15px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}body.modern-site a{color:inherit;text-decoration:none}:where(.modern-site button,.modern-site input){font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{max-width:100%}button:disabled{cursor:wait}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #f7a76b;outline-offset:5px}[hidden]{display:none!important}.ll-wrap{width:min(var(--ll-width),calc(100% - 80px));margin:0 auto}.ll-kicker{display:flex;align-items:center;gap:10px;font:600 11px/1.4 system-ui,sans-serif;letter-spacing:.16em;color:var(--ll-orange);text-transform:uppercase}.ll-kicker:before{content:"";width:20px;height:2px;background:currentColor}.ll-btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:48px;padding:12px 24px;border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:650;text-decoration:none;transition:background .2s,transform .2s,box-shadow .2s;cursor:pointer;line-height:1.45}.ll-btn:hover{transform:translateY(-2px)}.ll-primary{background:var(--ll-orange);color:#fff!important;box-shadow:0 8px 22px #ed71132b}.ll-primary:hover{background:#e45509}.ll-secondary{background:#ffffffbd;border-color:#dcd7cf;color:#333}.ll-secondary:hover{background:#fff;border-color:#f3ab79}.ll-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.ll-arrow{font-size:19px;font-weight:400}.ll-text-link{display:inline-flex;align-items:center;gap:14px;font-weight:650;font-size:14px;color:var(--ll-orange)!important;border:0;background:none;padding:0;cursor:pointer}.ll-icon{display:inline-flex;width:24px;height:24px;align-items:center;justify-content:center}.ll-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.ll-label{font-size:11px;letter-spacing:.1em;color:var(--ll-orange);font-weight:650}
/* Global shell is shared with the preserved digital-human page. */
.site-header.ll-header{position:fixed;inset:0 0 auto;z-index:80;height:78px;background:#fffcf7eb;backdrop-filter:blur(20px);border-bottom:1px solid #d9c5b033;color:#302e2a}.ll-header .ll-bar{height:78px;display:flex;align-items:center;gap:40px}.ll-brand{display:flex;align-items:center;gap:5px;white-space:nowrap;text-decoration:none;color:var(--ll-ink);font-size:21px;font-weight:760;letter-spacing:-.04em}.ll-brand img{width:66px;height:50px;object-fit:contain}.ll-nav{display:flex;align-items:center;gap:29px;margin-left:auto;height:100%;font-size:13px}.ll-nav>a,.ll-nav>details>summary{color:#57544f;text-decoration:none;white-space:nowrap;cursor:pointer}.ll-nav [aria-current=page]{color:var(--ll-orange);font-weight:650}.ll-nav summary{list-style:none}.ll-nav summary::-webkit-details-marker{display:none}.ll-nav summary:after{content:"⌄";display:inline-block;margin-left:6px}.ll-nav details[open] summary{color:var(--ll-orange)}.ll-nav .ll-mega{position:absolute;right:max(40px,calc((100vw - 1200px)/2));top:68px;width:690px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:8px;border:1px solid var(--ll-line);border-radius:20px;background:#fff;box-shadow:0 20px 70px #3c241522}.ll-mega a{display:flex;gap:14px;align-items:center;padding:14px;border-radius:12px;text-decoration:none;color:#38332e}.ll-mega a:hover{background:#fff5eb}.ll-mega .ll-icon{color:var(--ll-orange);width:30px;height:30px;flex-shrink:0}.ll-mega strong{display:block;font-size:14px}.ll-mega small{display:block;color:#89847d;font-size:11px;margin-top:2px}.ll-header .ll-header-cta{min-height:39px;padding:9px 19px;font-size:12px;margin-left:0}.ll-menu-toggle{display:none;background:transparent;border:0;font-size:22px;color:inherit;width:42px;height:42px}.ll-mobile-menu{display:none}.ll-skip{position:fixed;left:20px;top:-60px;background:#fff;padding:10px;z-index:120;color:#333}.ll-skip:focus{top:12px}
/* Hero */
.ll-hero{position:relative;min-height:720px;height:min(840px,100svh);overflow:hidden;background:#faf5ec;padding:148px 0 94px;display:flex;align-items:center}.ll-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0}.ll-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fcf8f0 0%,#fcf8f0c4 20%,#fcf8f054 43%,transparent 60%);pointer-events:none}.ll-hero-inner{position:relative;z-index:1}.ll-hero-copy{max-width:555px}.ll-hero h1{font-size:clamp(44px,4.5vw,68px);font-weight:700;line-height:1.23;letter-spacing:-.045em;margin:26px 0 22px}.ll-hero h1 span{color:var(--ll-orange)}.ll-hero .ll-lead{max-width:420px;color:#69625a;font-size:16px;line-height:1.9;margin:0}.ll-hero .ll-badges{display:flex;flex-wrap:wrap;gap:15px;margin-top:30px;color:#7b7165;font-size:12px}.ll-badges span{display:flex;align-items:center;gap:6px}.ll-badges span:before{content:"";width:4px;height:4px;border-radius:50%;background:#dc985e}.ll-hero-bottom{position:absolute;z-index:2;bottom:26px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;color:#9d8d7e;font-size:10px;letter-spacing:.17em}.ll-scroll-hint{display:flex;align-items:center;gap:8px}.ll-scroll-hint:before{content:"↓";font-size:16px}.ll-page-label{font-size:12px;letter-spacing:.08em;color:#927b66;margin-bottom:15px}.ll-hero.dark-hero{background:#181b21;color:white}.dark-hero:after{background:linear-gradient(90deg,#16191ff2 0%,#16191fe6 24%,#16191f80 58%,#16191f11)}.dark-hero .ll-lead,.dark-hero .ll-badges,.dark-hero .ll-page-label{color:#cac4bd}.dark-hero .ll-secondary{background:#ffffff14;color:#fff;border-color:#ffffff40}.ll-hero.mentor-hero{background:radial-gradient(ellipse at 77% 60%,#ffe0b9,transparent 50%),#fbf8f3}.mentor-hero:after{display:none}.ll-mentor-stage{position:absolute;right:4%;top:130px;width:46%;height:550px;z-index:0}.ll-mentor-portrait{position:absolute;width:280px;height:415px;object-fit:cover;object-position:top;border-radius:150px 150px 28px 28px;left:23%;top:40px;box-shadow:0 30px 60px #8e532129;border:7px solid #fff7ee}.ll-float-note{position:absolute;background:#ffffffeb;box-shadow:0 15px 45px #7b4b1312;border:1px solid #fffbf6;border-radius:16px;padding:16px 20px;font-size:13px;color:#756456;max-width:240px}.ll-float-note strong{display:block;color:#3c332c;font-size:15px;margin-top:5px}.ll-float-note.note-a{left:0;top:100px}.ll-float-note.note-b{right:0;top:265px}.ll-float-note.note-c{left:6%;bottom:20px}.ll-orbit{position:absolute;inset:25px 0;border:1px solid #dbb18e44;border-radius:50%;transform:rotate(-18deg)}
/* Sections and cards */
.ll-section{padding:92px 0 68px;position:relative}.ll-section.alt{background:var(--ll-paper)}.ll-section.dark{background:#242723;color:#fff}.ll-section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:40px}.ll-section-head h2,.ll-split-copy h2{font-size:clamp(29px,3vw,43px);line-height:1.35;letter-spacing:-.035em;margin:14px 0 0;font-weight:650}.ll-section-head p{max-width:390px;color:var(--ll-muted);font-size:14px;line-height:1.9;margin:0 0 2px}.dark .ll-section-head p{color:#adb0a5}.ll-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.ll-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.ll-value{padding:30px 28px;border:1px solid var(--ll-line);border-radius:var(--ll-radius);background:#fff;position:relative;overflow:hidden}.ll-value .ll-icon{width:35px;height:35px;color:var(--ll-orange);margin-bottom:23px}.ll-value h3{font-size:21px;line-height:1.55;letter-spacing:-.02em;margin:0 0 12px}.ll-value p{margin:0;color:var(--ll-muted);font-size:13px;line-height:1.9}.ll-value small{display:block;color:#b7afa5;margin-top:32px;font:10px/1.5 system-ui;letter-spacing:.14em}.ll-value:nth-child(2){background:#fef8ef;border-color:#f2e4d2}.ll-value:nth-child(3){background:#f8f9f5}.ll-module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.ll-module{display:flex;flex-direction:column;border:1px solid var(--ll-line);border-radius:22px;overflow:hidden;background:#fff;transition:transform .25s,box-shadow .25s}.ll-module:hover{transform:translateY(-5px);box-shadow:0 20px 45px #37221512}.ll-module-media{height:210px;position:relative;overflow:hidden;background:#f4ece1}.ll-module-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.ll-module:hover img{transform:scale(1.04)}.ll-module-media.portrait img{object-fit:contain;object-position:50% 10%;background:radial-gradient(ellipse at center,#f4c899,#fff9f0)}.ll-module-tag{position:absolute;top:17px;left:17px;font-size:10px;letter-spacing:.06em;border:1px solid #fff8;background:#fffce9ed;border-radius:6px;padding:4px 8px;color:#8d6841}.ll-module-body{padding:22px 23px;position:relative}.ll-module-body h3{font-size:21px;margin:0 0 6px;font-weight:650}.ll-module-body p{font-size:12px;color:var(--ll-muted);margin:0;padding-right:15px}.ll-module-body .ll-arrow{position:absolute;right:23px;top:22px;color:#ad9d8c}.ll-module.module-wide{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.05fr;background:#262821;border:0;color:white}.module-wide .ll-module-media{height:230px;order:2}.module-wide .ll-module-body{display:flex;flex-direction:column;justify-content:center;padding:35px}.module-wide .ll-module-body p{color:#cbc6bc}.module-wide .ll-arrow{position:static;margin-top:15px;color:#ff9955}.ll-split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.ll-split.reverse .ll-split-visual{order:2}.ll-split-copy p{color:var(--ll-muted);font-size:14px;line-height:1.95;margin:22px 0}.ll-split-visual{border-radius:26px;overflow:hidden;position:relative;background:#f5eee5;min-height:360px}.ll-split-visual>img{width:100%;height:400px;object-fit:cover;display:block}.ll-checks{list-style:none;padding:0;display:grid;gap:13px;font-size:13px;color:#615c56}.ll-checks li{display:flex;gap:12px}.ll-checks li:before{content:"✓";color:var(--ll-orange);font-weight:bold}.ll-mini-stat{position:absolute;bottom:20px;left:20px;right:20px;padding:18px 20px;border-radius:14px;background:#fffcf1e6;backdrop-filter:blur(12px)}.ll-mini-stat strong{font-size:18px;display:block}.ll-mini-stat span{font-size:12px;color:#8a7864}.ll-photo-strip{display:grid;grid-template-columns:1fr 1fr;gap:15px}.ll-photo-strip img{width:100%;height:300px;object-fit:cover;border-radius:18px}.ll-photo-strip img+img{margin-top:35px}.ll-task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.ll-task{border-top:1px solid #dfd8cd;padding-top:22px}.ll-task .ll-count{font:italic 40px/1.1 Georgia,serif;color:#cbb697}.ll-task h3{font-size:21px;margin:20px 0 10px}.ll-task p{color:var(--ll-muted);font-size:13px;line-height:1.9}.ll-task .ll-text-link{margin-top:10px}.ll-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--ll-line);border-radius:22px;overflow:hidden;background:#fff}.ll-flow-item{padding:29px 25px;border-right:1px solid var(--ll-line)}.ll-flow-item:last-child{border-right:0}.ll-flow-item b{display:block;font:italic 34px/1.2 Georgia,serif;color:#f39b56;margin-bottom:24px}.ll-flow-item h3{font-size:18px;margin:0 0 10px}.ll-flow-item p{font-size:12px;color:var(--ll-muted);line-height:1.85;margin:0}.ll-inline-nav{display:flex;gap:20px;flex-wrap:wrap;padding:24px 0;border-bottom:1px solid var(--ll-line);font-size:12px;color:#80776c}.ll-inline-nav a:hover{color:var(--ll-orange)}
/* Results and usable previews */
.ll-result{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--ll-line);border-radius:22px;background:#fff}.ll-result-cover{height:240px;overflow:hidden;position:relative;background:#eae8df}.ll-result-cover img{width:100%;height:100%;object-fit:cover}.ll-result-copy{padding:25px}.ll-result-copy h3{font-size:19px;margin:0 0 8px}.ll-result-copy p{font-size:12px;color:var(--ll-muted);margin:0 0 18px}.ll-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:#fffdf2ed;color:#e8681b;display:grid;place-items:center;border:0;box-shadow:0 4px 30px #0002}.ll-result-cover button{cursor:pointer}.ll-result-trigger{padding:0;border:0;background:transparent;width:100%;height:100%;display:block}.ll-result-trigger:hover img{transform:scale(1.035);transition:transform .4s}.ll-document{height:240px;padding:30px 32px;background:#eeeadf;display:flex;align-items:flex-start;justify-content:center;overflow:hidden}.ll-paper{background:white;width:230px;min-height:270px;padding:28px 25px;box-shadow:0 12px 25px #4531190f;transform:rotate(-4deg);font-size:10px}.ll-paper strong{display:block;font-size:15px;color:#40372e;border-bottom:2px solid #f47c27;padding-bottom:14px;margin-bottom:15px}.ll-paper .line{display:block;background:#e8e5df;height:5px;margin:9px 0}.ll-paper .line.short{width:60%}.ll-paper-row{display:flex;justify-content:space-between;gap:8px;border-bottom:1px solid #eee;padding:8px 0;font-size:10px}.ll-paper-row b{color:#d46c25}.ll-industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.ll-industry{position:relative;height:245px;border-radius:18px;overflow:hidden}.ll-industry img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.ll-industry:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,#0009)}.ll-industry span{position:absolute;bottom:18px;left:20px;color:#fff;font-size:17px;font-weight:600;z-index:1}.ll-industry:hover img{transform:scale(1.04)}.ll-scene-card img{width:100%;height:260px;object-fit:cover;border-radius:19px}.ll-scene-card h3{font-size:19px;margin:20px 0 8px}.ll-scene-card p{font-size:13px;color:var(--ll-muted);margin:0}.ll-mentor-choice{display:flex;gap:12px;margin-top:24px}.ll-mentor-choice button{background:#fff;border:1px solid var(--ll-line);border-radius:100px;padding:5px 15px 5px 5px;display:flex;align-items:center;gap:9px;font-size:12px}.ll-mentor-choice button[aria-pressed=true]{border-color:var(--ll-orange);background:#fff3e6;color:#c8590b}.ll-mentor-choice img{width:34px;height:34px;object-fit:cover;object-position:top;border-radius:50%}.ll-conversation{padding:35px;border:1px solid #ecdcca;border-radius:24px;background:#fffaf3;max-width:100%;min-height:360px}.ll-chat-head{display:flex;gap:12px;align-items:center;border-bottom:1px solid #ebdfd0;padding-bottom:20px;margin-bottom:25px}.ll-chat-head img{width:42px;height:42px;border-radius:50%;object-fit:cover;object-position:top}.ll-chat-head strong{font-size:14px}.ll-chat-head small{font-size:10px;display:block;color:#a79787}.ll-question{background:#fae7d1;padding:15px 20px;border-radius:17px 17px 4px 17px;font-size:13px;margin:0 0 22px 40px}.ll-answer{font-size:13px;line-height:1.9;color:#716252}.ll-answer strong{display:block;color:#4b3b2c;font-size:15px;margin-bottom:9px}.ll-topic-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.ll-topic-tabs button{border:1px solid #e6d8c7;border-radius:8px;background:#fff;padding:8px 13px;color:#8b7560;font-size:11px}.ll-topic-tabs button[aria-pressed=true]{background:#f46a18;border-color:#f46a18;color:white}.ll-topic-card{padding:30px;background:#fff;border-radius:22px;border:1px solid var(--ll-line)}.ll-topic-card h3{margin:0 0 12px;font-size:21px}.ll-topic-card p{font-size:13px;color:var(--ll-muted)}.ll-topic-number{font:italic 28px Georgia;color:#c7af90;display:block;margin-bottom:25px}.ll-advisor{display:grid;grid-template-columns:240px 1fr;gap:55px;align-items:center;background:#302c25;border-radius:28px;overflow:hidden;padding:40px;color:#fff}.ll-advisor img{width:240px;height:310px;object-fit:cover;object-position:top;border-radius:18px}.ll-advisor h3{font-size:30px;margin:12px 0}.ll-advisor p{color:#c9bfae;font-size:14px;line-height:1.9}.ll-chips{display:flex;flex-wrap:wrap;gap:10px}.ll-chips span{padding:6px 11px;border:1px solid #d3c3aa40;border-radius:6px;font-size:11px;color:#d1c8b8}
/* FAQ and download */
.ll-faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.ll-faq-layout .ll-section-head{display:block}.ll-faq-list{border-top:1px solid #dfd9cf}.ll-faq-item{border-bottom:1px solid #dfd9cf}.ll-faq-item summary{display:flex;justify-content:space-between;gap:20px;padding:21px 0;list-style:none;font-size:15px;cursor:pointer;font-weight:550}.ll-faq-item summary::-webkit-details-marker{display:none}.ll-faq-item summary:after{content:"+";color:#a59788;font-size:20px}.ll-faq-item[open] summary:after{content:"−";color:var(--ll-orange)}.ll-faq-item p{margin:0 30px 22px 0;font-size:13px;color:var(--ll-muted);line-height:1.9}.ll-download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.ll-download{padding:25px 21px;border:1px solid var(--ll-line);border-radius:20px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}.ll-download .ll-icon{width:31px;height:31px;margin-bottom:17px;color:#96816b}.ll-download h3{font-size:20px;margin:0 0 8px}.ll-download p{font-size:12px;color:#8b8075;margin:0 0 26px}.ll-download .ll-btn{margin-top:auto;min-height:42px;font-size:12px;padding:10px 15px;width:100%}.ll-download-mac{display:flex;gap:5px;margin-top:auto;width:100%}.ll-download-mac .ll-btn{font-size:11px;padding:10px 5px}.ll-wechat{margin-top:20px;padding:20px 25px;background:#f3f6ef;border:1px solid #e7ebdf;border-radius:16px;display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:14px}.ll-wechat small{display:block;font-size:12px;color:#828979}.ll-finish{text-align:center;background:radial-gradient(ellipse at center,#fff1da 0,#fdf9f2 65%);padding:80px 0}.ll-finish img{width:82px;height:62px;object-fit:contain}.ll-finish h2{font-size:40px;line-height:1.4;margin:18px 0}.ll-finish p{font-size:14px;color:#8d7e6d}.ll-finish .ll-actions{justify-content:center}.ll-related{display:flex;gap:25px;justify-content:center;margin-top:30px;font-size:12px;color:#95826d}.ll-footer.footer{background:#252720;color:#b7b8ab;padding:50px 0 25px}.ll-footer-top{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:80px}.ll-footer .ll-brand{color:#fff;font-size:20px}.ll-footer p{font-size:12px;margin-top:15px;max-width:250px}.ll-footer strong{display:block;font-size:12px;color:#eee9dc;margin-bottom:16px}.ll-footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px}.ll-footer a,.ll-footer button{font-size:12px;color:#b7b8ab;text-decoration:none;border:0;background:none;padding:0;text-align:left}.ll-footer .ll-brand{font-size:20px}.ll-footer-bottom{border-top:1px solid #ffffff13;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;font-size:10px;color:#868b7d}.ll-footer-links a:hover{color:#ff9955}.ll-float-stack{position:fixed;z-index:50;right:22px;bottom:25px;display:grid;gap:8px}.ll-float-stack button,.ll-float-stack a{width:52px;min-height:52px;border-radius:14px;border:1px solid #ead9c8;background:#fffdf7ed;box-shadow:0 5px 20px #5c351212;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;color:#af642f;font-size:9px;text-decoration:none}.ll-float-stack .ll-icon{width:21px;height:21px}.ll-float-stack .back-to-top{position:static;margin:0}
/* Dialogs */
.ll-dialog{position:fixed;width:min(900px,calc(100% - 40px));border:1px solid #e8ddcf;border-radius:24px;padding:35px;background:#fffdf9;color:#3e382f;max-height:calc(100dvh - 40px);overflow:auto;overscroll-behavior:contain;box-shadow:0 35px 120px #2d1a1638;font:14px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.ll-dialog::backdrop{background:#211b1699;backdrop-filter:blur(9px)}.ll-close{position:absolute;right:15px;top:15px;width:34px;height:34px;border-radius:50%;background:#f3eee7;border:0;font-size:23px;color:#8f7b67;z-index:3}.ll-dialog h2{font-size:25px;line-height:1.45;margin:8px 38px 20px 0}.ll-contact{width:min(470px,calc(100% - 30px));text-align:center;padding:27px}.ll-contact .ll-brand{justify-content:center;margin-bottom:15px;font-size:16px}.ll-contact .ll-brand img{width:48px;height:34px}.ll-contact h2{margin:0 0 12px;font-size:25px}.ll-contact iframe{width:100%;height:410px;border:0;border-radius:14px;background:#faf8f5;display:block;margin:10px 0}.ll-contact>p{font-size:12px;color:#92826f;margin:0}.ll-contact>p>a{color:#d06523}.ll-media-content video{width:100%;max-height:65dvh;border-radius:15px;background:#1d211b;display:block}.ll-media-content>img{width:100%;max-height:65dvh;object-fit:contain;border-radius:12px;display:block}.ll-media-content table{width:100%;border-collapse:collapse;font-size:13px;margin:25px 0}.ll-media-content th,.ll-media-content td{padding:13px 12px;border-bottom:1px solid #eee5d8;text-align:left}.ll-media-content th{background:#faf0e1;color:#9b642c}.ll-media-content .ll-report-note{padding:18px 22px;background:#fbf1e4;border-left:3px solid #f18b36;border-radius:4px}.ll-media-content li{margin:10px 0}.ll-dialog .ll-tour{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.ll-tour img{width:100%;height:190px;object-fit:cover;border-radius:14px}.ll-tour h3{font-size:17px}.ll-tour p{font-size:12px;color:#8a7b68}.ll-media-caption{color:#9b8d7a;font-size:12px;margin-top:16px}.modern-site:has(dialog[open]),.legacy-site:has(dialog[open]){overflow:hidden}.paged-scroll main,.paged-scroll .footer{touch-action:pan-x pinch-zoom}.ll-progress{position:fixed;left:0;top:77px;z-index:85;height:2px;background:#f16d1c;width:0;pointer-events:none}.ll-reveal{opacity:1}.ll-reveal.is-pending{opacity:0;transform:translateY(18px)}.ll-reveal.is-visible{opacity:1;transform:none;transition:opacity .6s,transform .6s}.ll-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Preserve original main content; only the shared shell is changed. */
.legacy-site .ll-header .ll-wrap{width:min(1200px,calc(100% - 80px))}.legacy-site .ll-header a{text-decoration:none}.legacy-site .ll-footer a{text-decoration:none}.legacy-site .ll-float-stack .back-to-top{width:52px;height:52px;bottom:auto;right:auto}.legacy-site .ll-dialog .ll-close{font:23px system-ui}.legacy-site .ll-footer .ll-brand img{width:66px;height:50px}.legacy-site .ll-dialog .ll-brand img{width:48px;height:34px}
@media(min-width:1600px){.ll-hero{height:810px}.ll-hero-bg{object-position:center}.ll-hero h1{font-size:70px}}
@media(max-width:1100px){.ll-nav{gap:19px}.ll-header .ll-bar{gap:22px}.ll-hero-copy{max-width:480px}.ll-hero h1{font-size:52px}.ll-split{gap:38px}.ll-section{padding:78px 0 58px}.ll-module-media{height:185px}.ll-mentor-stage{right:1%;width:46%}.ll-mentor-portrait{left:15%;width:240px}.ll-float-note{font-size:11px;padding:13px}.ll-float-note strong{font-size:13px}.ll-faq-layout{gap:40px}}
@media(max-width:900px){.ll-wrap,.legacy-site .ll-header .ll-wrap{width:calc(100% - 40px)}.ll-nav,.ll-header-cta{display:none}.ll-menu-toggle{display:block;margin-left:auto}.ll-mobile-menu.open{display:flex;position:absolute;top:78px;left:0;right:0;max-height:calc(100dvh - 78px);overflow:auto;overscroll-behavior:contain;flex-direction:column;padding:20px 25px 30px;background:#fffdf8;box-shadow:0 30px 35px #3e27141a;gap:5px}.ll-mobile-menu a{padding:10px;font-size:14px;color:#5b4b3c;text-decoration:none;border-bottom:1px solid #f0e7db}.ll-mobile-menu .ll-btn{margin-top:15px}.ll-hero-copy{max-width:450px}.ll-hero .ll-lead{max-width:370px}.ll-hero h1{font-size:47px}.ll-module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ll-grid-3{gap:15px}.ll-value{padding:24px 20px}.ll-value h3{font-size:18px}.ll-section-head{gap:25px}.ll-section-head p{max-width:310px}.ll-download-grid{grid-template-columns:1fr 1fr}.ll-faq-layout{grid-template-columns:1fr 1.3fr;gap:35px}.ll-footer-top{gap:40px}.ll-mentor-stage{opacity:.7;right:-10%;width:55%}.mentor-hero .ll-hero-copy{position:relative;z-index:2}.ll-flow{grid-template-columns:1fr 1fr}.ll-flow-item:nth-child(2){border-right:0}.ll-flow-item:nth-child(-n+2){border-bottom:1px solid var(--ll-line)}.ll-advisor{grid-template-columns:190px 1fr;gap:30px;padding:28px}.ll-advisor img{width:190px;height:280px}}
@media(max-width:620px){.ll-header,.site-header.ll-header,.ll-header .ll-bar{height:68px}.ll-brand{font-size:20px}.ll-brand img{width:60px;height:44px}.ll-mobile-menu.open{top:68px;max-height:calc(100dvh - 68px)}.ll-progress{top:67px}.ll-hero{height:auto;min-height:820px;padding:115px 0 360px;align-items:flex-start;background:#fdf8ef}.ll-hero-bg{height:56%;top:auto;bottom:0;object-position:75% center}.ll-hero:after{background:linear-gradient(180deg,#fcf8f0 0%,#fcf8f0 48%,#fcf8f022 69%,transparent 82%)}.ll-hero-copy{max-width:100%}.ll-hero h1{font-size:42px;line-height:1.24;margin:20px 0 18px;letter-spacing:-.05em}.ll-hero .ll-lead{font-size:14px;max-width:100%;line-height:1.9}.ll-kicker{font-size:10px}.ll-hero .ll-actions{margin-top:23px}.ll-btn{padding:12px 18px;font-size:13px;min-height:46px;gap:14px}.ll-hero .ll-badges{gap:12px;font-size:10px;margin-top:21px}.ll-hero-bottom{bottom:18px;font-size:9px}.ll-hero-bottom>span{display:none}.ll-hero.dark-hero:after{background:linear-gradient(180deg,#16191f 0%,#16191f 47%,#16191f99 65%,#16191f15)}.ll-section{padding:82px 0 48px}.ll-section-head{display:block;margin-bottom:28px}.ll-section-head h2,.ll-split-copy h2{font-size:30px;line-height:1.4}.ll-section-head p{margin-top:17px;font-size:13px;max-width:100%}.ll-grid-3,.ll-grid-2,.ll-task-grid,.ll-split{grid-template-columns:1fr;gap:22px}.ll-value{padding:25px}.ll-value h3{font-size:21px}.ll-value .ll-icon{margin-bottom:15px}.ll-value small{margin-top:20px}.ll-module-grid{gap:15px}.ll-module-media{height:150px}.ll-module-body{padding:17px 14px}.ll-module-body h3{font-size:18px}.ll-module-body p{font-size:11px;padding:0;line-height:1.7}.ll-module-body .ll-arrow{display:none}.ll-module-tag{top:10px;left:10px;font-size:8px;padding:3px 6px}.ll-module.module-wide{grid-template-columns:1fr}.module-wide .ll-module-media{height:190px;order:0}.module-wide .ll-module-body{padding:24px}.ll-split.reverse .ll-split-visual{order:0}.ll-split-visual{min-height:270px}.ll-split-visual>img{height:285px}.ll-split-copy p{font-size:13px;margin:16px 0}.ll-task{padding:22px 0 6px;position:relative}.ll-task .ll-count{position:absolute;right:5px;font-size:32px}.ll-task h3{margin-top:0}.ll-flow-item{padding:25px 18px}.ll-flow-item h3{font-size:16px}.ll-flow-item b{font-size:29px;margin-bottom:15px}.ll-flow-item p{font-size:11px}.ll-result-cover,.ll-document{height:220px}.ll-industry-grid{grid-template-columns:1fr 1fr;gap:13px}.ll-industry{height:215px}.ll-industry span{font-size:15px;left:15px}.ll-faq-layout{grid-template-columns:1fr;gap:5px}.ll-faq-item summary{font-size:14px}.ll-download-grid{gap:12px}.ll-download{padding:22px 15px}.ll-download h3{font-size:19px}.ll-download p{font-size:11px;line-height:1.8}.ll-download .ll-btn{font-size:11px;padding:10px 5px}.ll-download-mac{flex-direction:column;gap:7px}.ll-wechat{padding:18px;align-items:flex-start;font-size:13px}.ll-wechat .ll-text-link{font-size:11px;white-space:nowrap}.ll-wechat small{font-size:10px}.ll-finish{padding:65px 0}.ll-finish h2{font-size:31px}.ll-finish p{font-size:12px}.ll-footer-top{grid-template-columns:1fr 1fr;gap:30px}.ll-footer-top>div:first-child{grid-column:1/-1}.ll-footer-links{grid-template-columns:1fr;gap:10px}.ll-footer-bottom{gap:10px;flex-direction:column}.ll-footer.footer{padding:35px 0 25px}.ll-float-stack{right:12px;bottom:15px}.ll-float-stack button,.ll-float-stack a{width:45px;min-height:45px;border-radius:12px}.ll-dialog{padding:26px 21px;border-radius:20px;width:calc(100% - 24px);max-height:calc(100dvh - 24px)}.ll-dialog h2{font-size:21px;margin-top:15px}.ll-contact{padding:22px 15px}.ll-contact h2{font-size:23px}.ll-contact iframe{height:410px}.ll-dialog .ll-tour{grid-template-columns:1fr}.ll-tour{max-height:65dvh;overflow:auto}.ll-tour img{height:180px}.ll-media-content table{font-size:11px}.ll-media-content th,.ll-media-content td{padding:10px 6px}.ll-advisor{grid-template-columns:1fr;padding:25px;gap:25px}.ll-advisor img{width:160px;height:200px;margin:0 auto}.ll-advisor h3{font-size:26px}.ll-mentor-stage{top:auto;bottom:60px;height:330px;width:90%;right:5%;opacity:1}.ll-mentor-portrait{top:5px;left:28%;width:190px;height:300px;border-radius:110px 110px 20px 20px;border-width:5px}.ll-float-note{padding:11px 13px;font-size:9px;max-width:180px}.ll-float-note strong{font-size:11px}.ll-float-note.note-a{left:0;top:50px}.ll-float-note.note-b{right:0;top:220px}.ll-float-note.note-c{display:none}.mentor-hero{padding-bottom:390px;min-height:820px}.ll-conversation{padding:25px 20px}.ll-question{margin-left:20px}.ll-related{gap:18px;font-size:11px;flex-wrap:wrap}.ll-photo-strip img{height:230px}.ll-inline-nav{gap:14px;font-size:11px}.legacy-site .ll-float-stack .back-to-top{width:45px;height:45px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}.ll-reveal.is-pending{opacity:1;transform:none}}

/* Keep helper controls compact and tablet mentor notes inside the hero. */
.ll-float-stack button,.ll-float-stack a{height:52px;padding:5px;font-size:9px;line-height:1.35}
.ll-float-stack>*>span:last-child{white-space:nowrap}
@media(min-width:621px) and (max-width:900px){.ll-mentor-stage{right:2%;width:43%;opacity:1}.ll-float-note.note-b{right:0;top:370px}.ll-float-note.note-a{left:10%;top:85px}.ll-float-note.note-c{display:none}.ll-mentor-portrait{left:16%;width:220px;top:75px}.mentor-hero .ll-hero-copy{max-width:390px}.mentor-hero h1{font-size:44px}}
@media(max-width:620px){.ll-float-stack button,.ll-float-stack a{height:45px}}

.ll-contact-qr{background:#fff;border:1px solid #efe7da;border-radius:18px;margin:24px auto 14px;padding:22px;width:max-content;max-width:100%}.ll-contact-qr img{width:230px;height:230px;display:block;object-fit:contain}
@media(max-width:620px){.ll-contact-qr{padding:15px}.ll-contact-qr img{width:220px;height:220px}}

.editing-hero h1{font-size:clamp(38px,4.1vw,62px)}
.editing-hero .ll-lead{text-wrap:balance}

/* Ten concrete merchant tasks, presented without preview or detail actions. */
.ll-do-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;list-style:none;padding:0;margin:0}
.ll-do-card{padding:24px 20px;border:1px solid #e8dfd3;border-radius:18px;background:#fffdf9}
.ll-do-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;color:var(--ll-orange)}
.ll-do-count{font:500 27px/1.1 Georgia,serif;color:#b78552}
.ll-do-card .ll-icon{width:26px;height:26px}
.ll-do-card h3{font-size:18px;line-height:1.55;min-height:2.9em;margin:0 0 10px;font-weight:650;letter-spacing:-.02em;text-wrap:balance}
.ll-do-card p{font-size:13px;line-height:1.85;margin:0;color:var(--ll-muted)}
@media(max-width:1100px){.ll-do-card{padding:21px 16px}.ll-do-grid{gap:13px}.ll-do-card h3{font-size:17px}}
@media(max-width:900px){.ll-do-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ll-do-card h3{min-height:0;font-size:19px}}
@media(max-width:620px){.ll-do-grid{gap:12px}.ll-do-card{padding:20px 15px}.ll-do-card-top{margin-bottom:17px}.ll-do-card h3{font-size:16px;min-height:3.1em}.ll-do-card p{font-size:12px}.ll-do-count{font-size:25px}.ll-do-card .ll-icon{width:24px;height:24px}}

/* Social customer-service scenes and their business benefits. */
.customer-hero:after{background:linear-gradient(90deg,#fcf8f0 0%,#fcf8f0ed 24%,#fcf8f0b8 42%,#fcf8f02e 62%,transparent 80%)}
.customer-hero .ll-hero-copy{max-width:560px}
.customer-hero h1{font-size:clamp(42px,4.2vw,64px)}
.customer-hero .ll-badges{flex-wrap:wrap;gap:14px 22px}
.ll-customer-fab .ll-split-visual>img{height:auto;aspect-ratio:16/10}
.ll-customer-fab .ll-split-visual{min-height:0}
.ll-customer-benefit{display:block;border-left:3px solid #ff6a00;padding:11px 0 11px 16px;color:#8c461a;font-size:16px;line-height:1.8}
.ll-module[href="/ai-customer-service/"]{background:#fff4e6;color:var(--ll-ink);border:1px solid #ecd7bc}
.ll-module[href="/ai-customer-service/"] .ll-module-body p{color:var(--ll-muted)}
@media(max-width:900px){.customer-hero .ll-hero-copy{max-width:460px}.customer-hero h1{font-size:48px}}
@media(max-width:620px){.customer-hero .ll-hero-copy{max-width:100%}.customer-hero h1{font-size:40px}.customer-hero:after{background:linear-gradient(180deg,#fcf8f0 0%,#fcf8f0 48%,#fcf8f022 69%,transparent 82%)}.customer-hero .ll-page-label{font-size:12px}.customer-hero .ll-badges{gap:9px 16px}.ll-customer-benefit{font-size:14px}.ll-customer-fab .ll-split-visual>img{height:auto}}