@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root{--ink:#112b4e;--navy:#12345a;--blue:#2459d3;--blue2:#153bb6;--light:#f3f7fc;--paper:#fff;--line:#d9e2ec;--muted:#5f7187;--mint:#bce9d5;--yellow:#ffdf70;--shadow:5px 5px 0 #163f83;scroll-behavior:smooth}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:'DM Sans','Noto Sans SC',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit}
button:focus-visible,a:focus-visible{outline:3px solid #eea91c;outline-offset:4px}
.site-wrap{max-width:1440px;margin:0 auto;padding:0 52px}
.micro{font-size:12px;line-height:1.35;letter-spacing:.12em;font-weight:800;text-transform:uppercase}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:12px;letter-spacing:.11em;font-weight:800;text-transform:uppercase}
.eyebrow:before{content:'';display:block;width:7px;height:7px;border-radius:50%;background:#5ddbba;box-shadow:0 0 0 4px #d8f9eb}
.eyebrow.white{color:#e5efff}.eyebrow.white:before{background:#9bea95;box-shadow:0 0 0 4px rgba(181,247,169,.2)}
.text-link{font-size:14px;font-weight:800;color:var(--blue);display:inline-flex;gap:8px;align-items:center}
.text-link:hover{gap:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:13px;min-height:52px;padding:12px 22px;border:1px solid var(--ink);border-radius:3px;font-size:14px;font-weight:800;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.secondary{background:#fff;color:var(--ink)}
.btn.ghost{border-color:#c6d4eb;color:#fff}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.topbar-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand-symbol{width:35px;height:35px;background:var(--navy);color:white;display:grid;place-items:center;border-radius:4px;font-size:21px;font-weight:900;line-height:1}
.brand-word{font-size:21px;letter-spacing:-.04em;font-weight:900}.brand-word small{display:block;font-size:9px;letter-spacing:.16em;color:var(--muted);font-weight:800;margin-top:1px}
.nav{display:flex;align-items:center;gap:35px}.nav a{font-size:13px;font-weight:800;color:#36506a}.nav a:hover,.nav a.active{color:var(--blue)}
.nav .nav-cta{border:1px solid var(--ink);padding:10px 15px;border-radius:3px;color:var(--ink)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);height:39px;width:41px;font-size:21px;color:var(--ink)}
.hero{min-height:690px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(375px,.92fr);align-items:center;gap:5.8%;padding-top:56px;padding-bottom:62px;position:relative}
.hero:before{content:'LC / 01';position:absolute;top:28px;right:52px;color:#e4ecf6;font-size:12px;letter-spacing:.13em;font-weight:800}
.hero h1{font-size:clamp(48px,5.4vw,76px);line-height:1.19;letter-spacing:-.07em;margin:25px 0 23px;font-weight:900}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{font-size:18px;line-height:1.92;color:#4d627a;margin:0;max-width:590px;font-weight:500}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-foot{display:flex;gap:18px;align-items:center;margin-top:53px;font-size:12px;color:#6b7c8e;font-weight:700;letter-spacing:.025em}
.hero-foot .rule{height:1px;background:#aabbd0;width:34px}
.hero-graphic{min-height:468px;position:relative;border:1px solid #bdd0e7;background:linear-gradient(90deg,rgba(27,75,137,.05) 1px,transparent 1px),linear-gradient(rgba(27,75,137,.05) 1px,transparent 1px),#f5f9fd;background-size:28px 28px;box-shadow:10px 10px 0 #e3eaf3;padding:31px;overflow:hidden}
.graphic-top{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:800;letter-spacing:.11em;color:#58718c}
.graphic-top i{height:7px;width:7px;border-radius:50%;background:#40d0aa;display:inline-block;margin-right:7px}
.graphic-main{margin-top:45px;background:var(--navy);padding:27px 30px;color:#fff;position:relative;z-index:1;box-shadow:var(--shadow)}
.graphic-main .big{font-size:28px;line-height:1.35;letter-spacing:-.04em;font-weight:800;margin-top:12px}
.graphic-arrow{height:34px;width:2px;background:#1a4aac;margin-left:49%;position:relative}.graphic-arrow:after{content:'';position:absolute;bottom:0;left:-4px;border:5px solid transparent;border-top-color:#1a4aac;transform:translateY(9px)}
.graphic-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;position:relative;z-index:1}
.graphic-card{background:#fff;border:1px solid #9eb7d3;min-height:124px;padding:15px 12px 11px;display:flex;flex-direction:column;justify-content:space-between}
.graphic-card strong{font-size:21px;letter-spacing:-.045em}.graphic-card span{font-size:10px;color:#6b7c8e;font-weight:700}.graphic-card:nth-child(2){background:var(--yellow)}.graphic-card:nth-child(3){background:var(--mint)}
.graphic-bottom{font-size:11px;color:#506a87;letter-spacing:.12em;font-weight:800;margin-top:27px}
.statement{background:var(--navy);color:#fff}
.statement-inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;padding-top:29px;padding-bottom:29px}
.statement-item{padding:6px 30px;border-right:1px solid rgba(255,255,255,.22)}.statement-item:first-child{padding-left:0}.statement-item:last-child{border:0}
.statement-item .no{font-size:10px;color:#a9c8e9;font-weight:800;letter-spacing:.13em}.statement-item strong{display:block;font-size:18px;line-height:1.45;margin-top:6px}.statement-item p{font-size:12px;color:#b8cee3;margin:5px 0 0;line-height:1.6}
.section{padding-top:108px;padding-bottom:108px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:35px}
.section-heading h2,.page-heading h1{font-size:clamp(35px,4.1vw,56px);line-height:1.28;letter-spacing:-.06em;margin:13px 0 0;font-weight:900}
.section-heading .lead{max-width:420px;color:var(--muted);font-size:15px;line-height:1.85;margin:0}
.problems{background:#f5f8fc;border-top:1px solid #ebeff4;border-bottom:1px solid #ebeff4}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.problem-card{border:1px solid #cbd8e8;background:#fff;padding:26px;min-height:297px;position:relative;overflow:hidden}
.problem-card:before{content:'';position:absolute;left:0;right:0;top:0;height:5px;background:var(--blue)}.problem-card:nth-child(2):before{background:#34b5a0}.problem-card:nth-child(3):before{background:#f3be44}
.problem-card .num{font-size:12px;color:var(--blue);letter-spacing:.08em;font-weight:900}.problem-card h3{font-size:24px;line-height:1.35;letter-spacing:-.04em;margin:27px 0 15px}.problem-card p{font-size:14px;line-height:1.85;color:#5b6e83;margin:0}.problem-card .tail{position:absolute;bottom:25px;font-size:12px;font-weight:800;color:var(--blue)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{border:1px solid #aac0da;background:#fff;display:flex;flex-direction:column;min-height:438px;transition:transform .2s,box-shadow .2s;position:relative}
.case-card:hover{transform:translate(-4px,-4px);box-shadow:7px 7px 0 #b1c9e5}
.case-card:after{content:'';height:5px;position:absolute;bottom:-1px;left:-1px;right:-1px;background:var(--blue)}.case-card:nth-child(2):after{background:#1a8b9c}.case-card:nth-child(3):after{background:#e9b648}
.case-art{height:155px;background:#f1f6fc;padding:22px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid #d8e2ec}
.case-art .chain{display:flex;align-items:center;gap:5px;width:100%}.case-art .chain span{font-size:9px;font-weight:800;text-align:center;background:#fff;border:1px solid #a7bdd6;padding:10px 5px;flex:1;min-width:0;line-height:1.4}.case-art .chain b{font-size:14px;color:var(--blue);font-weight:800;flex:0 0 auto}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1}
.tag-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tag{display:inline-block;border:1px solid #c2d2e3;padding:5px 8px;font-size:10px;font-weight:800;letter-spacing:.04em;color:#4c6681;line-height:1.2}.tag.status{border-color:#b6e0cb;background:#e9f8f0;color:#1d7561}.tag.pending{border-color:#e3d4a2;background:#fff8de;color:#8d6a17}
.case-card h3{font-size:24px;line-height:1.42;letter-spacing:-.045em;margin:20px 0 13px}.case-card p{font-size:13px;line-height:1.85;color:#5e7186;margin:0}.case-card .card-bottom{border-top:1px solid #d9e3ed;padding-top:17px;margin-top:auto;display:flex;justify-content:space-between;gap:12px;align-items:end;font-size:11px;color:#65788b;font-weight:700}.case-card .card-bottom strong{color:var(--blue);font-size:12px;white-space:nowrap}
.about-panel{background:var(--blue2);color:#fff;padding:65px;display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;position:relative;overflow:hidden}
.about-panel:after{content:'05';position:absolute;right:10px;bottom:-85px;color:rgba(255,255,255,.06);font-size:280px;font-weight:900;line-height:1}
.about-panel h2{font-size:42px;line-height:1.3;letter-spacing:-.055em;margin:16px 0}.about-panel p{font-size:15px;line-height:1.9;color:#dce7ff;margin:0}
.steps-list{position:relative;z-index:1;display:grid;gap:0}
.step{display:grid;grid-template-columns:44px 1fr;gap:16px;border-bottom:1px solid rgba(255,255,255,.24);padding:17px 0}.step:first-child{padding-top:0}.step:last-child{border:0}.step .n{font-size:12px;color:#c3e0ff;font-weight:900}.step strong{font-size:17px}.step small{display:block;color:#d0ddf9;font-size:12px;line-height:1.7;margin-top:5px}
.scenario-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cedbe8;border-left:1px solid #cedbe8}.scenario-item{padding:26px;border-right:1px solid #cedbe8;border-bottom:1px solid #cedbe8;min-height:232px}.scenario-item .top{display:flex;justify-content:space-between;font-size:11px;font-weight:800;color:var(--blue)}.scenario-item h3{font-size:19px;line-height:1.4;letter-spacing:-.04em;margin:22px 0 11px}.scenario-item p{font-size:13px;line-height:1.8;color:#5c7186;margin:0}
.contact{background:#f2f7fc;border-top:1px solid #d9e4ef}
.contact-inner{display:grid;grid-template-columns:1fr .9fr;gap:7%;align-items:center}.contact h2{font-size:clamp(36px,3.8vw,54px);letter-spacing:-.06em;line-height:1.3;margin:18px 0}.contact p{line-height:1.9;color:#536981;max-width:555px}.contact-box{background:#fff;border:1px solid #afc6e0;box-shadow:var(--shadow);padding:28px}.contact-box h3{font-size:18px;margin:0 0 13px}.contact-box ol{padding-left:20px;margin:0 0 20px}.contact-box li{font-size:14px;line-height:2;color:#435a71}.contact-pending{border:1px dashed #c0ad6c;background:#fff9e8;padding:17px;font-size:13px;color:#7b6428;line-height:1.7;font-weight:700}
.footer{background:var(--navy);color:#fff;padding-top:44px;padding-bottom:30px}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer .brand-symbol{background:#fff;color:var(--navy)}.footer .brand-word small{color:#b8c8da}.footer p{color:#b6cadd;font-size:12px;line-height:1.8;max-width:330px}.footer-links{display:flex;gap:26px;font-size:12px;color:#d7e6f5;font-weight:700}.footer-base{display:flex;justify-content:space-between;color:#8ca8c2;font-size:11px;border-top:1px solid rgba(255,255,255,.18);padding-top:20px;margin-top:35px}
.page-hero{padding-top:85px;padding-bottom:62px;border-bottom:1px solid #d8e4f0;background:linear-gradient(90deg,rgba(22,69,136,.04) 1px,transparent 1px),linear-gradient(rgba(22,69,136,.04) 1px,transparent 1px),#f7fafd;background-size:34px 34px}
.page-heading{max-width:910px}.page-heading p{font-size:17px;line-height:1.85;color:#536b82;max-width:720px;margin:20px 0 0}
.bread{font-size:12px;color:#6b7f93;font-weight:700;margin-bottom:24px}.bread a{color:var(--blue)}.bread span{padding:0 8px}
.list-group{padding-top:75px;padding-bottom:85px}.list-header{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:25px}.list-header h2{font-size:31px;letter-spacing:-.05em;margin:0}.list-header p{font-size:13px;color:#64788b;line-height:1.8;margin:0;max-width:430px}
.detail-hero{padding-top:60px;padding-bottom:72px;background:linear-gradient(90deg,rgba(26,74,145,.05) 1px,transparent 1px),linear-gradient(rgba(26,74,145,.05) 1px,transparent 1px),#f6f9fd;background-size:30px 30px;border-bottom:1px solid #d8e3ed}
.detail-head{display:grid;grid-template-columns:1fr 300px;gap:8%;align-items:start}.detail-head h1{font-size:clamp(40px,4.3vw,62px);line-height:1.25;letter-spacing:-.065em;margin:20px 0}.detail-head .summary{font-size:17px;line-height:1.9;color:#486179;max-width:790px;margin:0}.detail-file{border:1px solid var(--ink);background:var(--yellow);box-shadow:7px 7px 0 var(--ink);padding:23px;margin-top:68px}.detail-file .file-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.14em;font-weight:900}.detail-file .file-num{font-size:82px;line-height:1;margin:12px 0 23px;letter-spacing:-.1em;font-weight:900}.detail-file dl{margin:0}.detail-file dl div{display:grid;grid-template-columns:65px 1fr;gap:10px;border-top:1px solid rgba(17,43,78,.24);padding:10px 0;font-size:11px}.detail-file dt{color:#6e5b29}.detail-file dd{margin:0;font-weight:800}
.detail-main{max-width:1120px;margin:0 auto;padding:0 42px}.detail-section{padding:80px 0;border-bottom:1px solid #dae4ee}.detail-section:last-child{border:0}.detail-section .sec-kicker{font-size:11px;color:var(--blue);letter-spacing:.14em;font-weight:900}.detail-section h2{font-size:clamp(30px,3.3vw,42px);letter-spacing:-.05em;line-height:1.35;margin:10px 0 25px}.detail-section .lead{font-size:16px;line-height:1.95;color:#4d637a;max-width:860px}.work-chain{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:32px}.work-chain span{display:flex;align-items:center;min-height:94px;border:1px solid #bdcde0;background:#f5f9fd;padding:18px;font-size:14px;line-height:1.6;font-weight:700;position:relative}.work-chain span:not(:last-child):after{content:'→';position:absolute;right:-15px;top:50%;transform:translateY(-50%);z-index:1;background:#fff;color:var(--blue);font-size:16px;padding:2px}
.cost-panel{border-left:5px solid #edbe4d;background:#fff9e8;padding:24px 30px;color:#544c3b;font-size:16px;line-height:1.9}
.rethink{background:var(--blue2);color:#fff;padding:38px 42px;margin:24px 0 0;box-shadow:7px 7px 0 #b5cce7}.rethink p{font-size:clamp(20px,2.5vw,31px);line-height:1.6;letter-spacing:-.03em;font-weight:800;margin:12px 0 0}.rethink .micro{color:#bdd3ff}
.detail-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.detail-step{border:1px solid #becfe2;padding:21px;background:#fff;min-height:208px}.detail-step .number{font-size:12px;color:var(--blue);font-weight:900}.detail-step h3{font-size:18px;line-height:1.4;margin:23px 0 10px}.detail-step p{font-size:12px;color:#63758a;line-height:1.75;margin:0}
.before-after{display:grid;grid-template-columns:1fr 1fr;gap:18px}.change-col{border:1px solid #c4d2e1;padding:25px}.change-col.before{background:#f4f7fb}.change-col.after{background:#e8f6f2;border-color:#9bcabc}.change-col .micro{color:#52718a}.change-col.after .micro{color:#217763}.change-col ul{list-style:none;padding:0;margin:17px 0 0}.change-col li{border-top:1px solid #cedbe6;padding:13px 0;font-size:14px;font-weight:700;line-height:1.55}.change-col.after li{border-color:#b9d9cf}
.asset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.asset-item{background:#f6f9fd;border:1px solid #c8d6e5;padding:24px;min-height:135px}.asset-item span{display:block;color:var(--blue);font-size:12px;font-weight:900}.asset-item strong{display:block;font-size:17px;line-height:1.5;margin-top:21px}
.evidence{background:#f5f8fc;padding:30px;border:1px solid #ccd9e7}.evidence p{color:#566b80;font-size:14px;line-height:1.85;margin:12px 0 20px}.pending-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pending-item{background:#fff;border:1px dashed #b1c1d3;padding:16px;min-height:92px;font-size:12px;line-height:1.7;color:#53677c;font-weight:700}.pending-item b{display:block;color:#a27a15;font-size:10px;letter-spacing:.11em;margin-bottom:5px}
.next-case{background:var(--navy);color:#fff;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.next-case h2{font-size:30px;margin:8px 0 0;letter-spacing:-.04em}.next-case p{font-size:13px;color:#bed2e7;line-height:1.8;max-width:590px;margin:12px 0 0}
.scenario-intro{padding-top:78px;padding-bottom:35px}.scenario-detail{border:1px solid #c5d4e5;background:#fff;padding:31px;margin-bottom:15px;display:grid;grid-template-columns:90px 1.25fr 1fr;gap:30px;align-items:start}.scenario-detail .n{font-size:42px;color:#a4bcd7;font-weight:900;letter-spacing:-.08em}.scenario-detail h2{font-size:24px;letter-spacing:-.04em;margin:7px 0 9px}.scenario-detail p{font-size:13px;color:#5b6f85;line-height:1.8;margin:0}.scenario-detail .right{border-left:1px solid #dce6f0;padding-left:27px}.scenario-detail .right strong{font-size:11px;color:var(--blue);letter-spacing:.1em}.scenario-detail .right p{margin-top:8px}
@media(max-width:1050px){.site-wrap{padding-left:30px;padding-right:30px}.hero{gap:30px;grid-template-columns:1.05fr .95fr}.hero h1{font-size:55px}.hero-graphic{padding:23px}.graphic-main{padding:23px}.graphic-card strong{font-size:18px}.about-panel{padding:45px;gap:30px}.detail-head{grid-template-columns:1fr 250px;gap:35px}.detail-steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.site-wrap{padding-left:20px;padding-right:20px}.topbar-inner{height:64px}.brand-word{font-size:18px}.brand-symbol{width:32px;height:32px}.nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);padding:15px 20px 22px;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 5px}.nav .nav-cta{margin-top:10px;text-align:center}.menu-btn{display:block}.hero{min-height:0;display:block;padding-top:68px;padding-bottom:65px}.hero:before{right:20px}.hero h1{font-size:clamp(43px,10.6vw,61px);margin-top:22px}.hero p{font-size:15px}.hero-foot{margin-top:32px}.hero-graphic{min-height:386px;margin-top:47px;padding:20px;box-shadow:6px 6px 0 #e3eaf3}.graphic-main{margin-top:30px}.graphic-main .big{font-size:23px}.graphic-cards{gap:5px}.graphic-card{padding:11px 7px;min-height:100px}.graphic-card strong{font-size:15px}.graphic-card span{font-size:8px}.statement-inner{grid-template-columns:1fr;padding-top:13px;padding-bottom:13px}.statement-item{padding:14px 0;border:0;border-bottom:1px solid rgba(255,255,255,.2)}.statement-item:last-child{border:0}.statement-item strong{font-size:16px}.section{padding-top:72px;padding-bottom:72px}.section-heading{display:block}.section-heading h2{font-size:38px}.section-heading .lead{margin-top:16px}.problem-grid,.case-grid,.scenario-row,.asset-grid,.pending-grid{grid-template-columns:1fr}.problem-card{min-height:244px}.case-card{min-height:0}.case-art{height:136px}.case-card .card-bottom{margin-top:23px}.about-panel{grid-template-columns:1fr;padding:30px 24px;gap:32px}.about-panel h2{font-size:33px}.scenario-item{min-height:0}.contact-inner{grid-template-columns:1fr}.contact-box{margin-top:25px}.footer-inner{display:block}.footer-links{margin-top:25px}.footer-base{gap:12px;flex-direction:column}.page-hero{padding-top:62px;padding-bottom:50px}.page-heading h1{font-size:41px}.page-heading p{font-size:15px}.list-group{padding-top:55px;padding-bottom:65px}.list-header{display:block}.list-header p{margin-top:10px}.detail-hero{padding-top:40px;padding-bottom:60px}.detail-head{grid-template-columns:1fr}.detail-head h1{font-size:42px}.detail-head .summary{font-size:15px}.detail-file{max-width:350px;margin-top:15px}.detail-main{padding:0 20px}.detail-section{padding:65px 0}.detail-section h2{font-size:34px}.work-chain{grid-template-columns:1fr}.work-chain span{min-height:62px}.work-chain span:not(:last-child):after{content:'↓';top:auto;bottom:-17px;right:50%;transform:translateX(50%);padding:0 6px}.detail-steps{grid-template-columns:1fr}.detail-step{min-height:0}.before-after{grid-template-columns:1fr}.next-case{display:block;padding:30px 24px}.next-case .btn{margin-top:22px}.scenario-detail{grid-template-columns:1fr;gap:5px;padding:23px}.scenario-detail .n{font-size:28px}.scenario-detail .right{border-left:0;border-top:1px solid #dce6f0;padding:17px 0 0;margin-top:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* 案例前台 V1.1：首页先看结果，详情四章连续阅读 */
.case-card{min-height:350px;box-shadow:none}
.case-card .case-body{padding:25px 25px 0}
.case-card h3{font-size:23px;margin:23px 0 13px}
.case-card p{margin-bottom:26px}
.result-bar{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:auto -25px 0;padding:19px 25px 21px;background:#fff9e8;border-top:2px solid #efd05d}
.result-bar span{display:block;font-size:11px;font-weight:800;color:#6d8195;margin-bottom:7px}
.result-bar strong{display:block;font-size:21px;line-height:1.4;letter-spacing:-.045em;color:var(--ink)}
.result-bar small{display:block;font-size:10px;color:#8b7c54;margin-top:6px}
.result-bar b{font-size:19px;color:var(--blue);font-weight:700}
.case-card:hover .result-bar{background:#ffefd0}
.case-card:after{height:4px}
.case-card:nth-child(2):after,.case-card:nth-child(3):after{background:var(--navy)}
.hero + .section{padding-top:72px}
.case-page .detail-hero{padding-bottom:76px}
.case-page .detail-head .summary{max-width:700px}
.case-layout{display:grid;grid-template-columns:170px minmax(0,1fr);gap:45px;align-items:start}
.case-toc{position:sticky;top:112px;padding-top:65px;font-size:12px}
.case-toc>span{display:block;color:#7b8da0;font-weight:800;letter-spacing:.08em;font-size:10px;margin-bottom:20px}
.case-toc nav{display:flex;flex-direction:column;gap:4px;border-left:1px solid #d5e0ec}
.case-toc a{padding:10px 0 10px 17px;font-weight:700;color:#65798e;line-height:1.5}
.case-toc a:hover,.case-toc a:focus{color:var(--blue);border-left:3px solid var(--blue);margin-left:-2px}
.case-mobile-toc{display:none}
.case-content{min-width:0;padding-bottom:90px}
.chapter{padding:72px 0;scroll-margin-top:92px}
.chapter-head>span{font-size:11px;letter-spacing:.13em;color:var(--blue);font-weight:900}
.chapter-head h2{font-size:clamp(33px,3.5vw,47px);letter-spacing:-.055em;line-height:1.22;margin:10px 0 28px}
.chapter-background{border-bottom:1px solid #d9e3ee}
.reading-copy{max-width:700px}
.reading-copy h3{font-size:18px;letter-spacing:-.025em;margin:32px 0 8px}
.reading-copy p{font-size:15px;line-height:1.95;color:#4e647b;margin:0}
.old-flow{margin:27px 0 0}
.old-flow>div{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.old-flow span{position:relative;min-height:82px;border-top:2px solid #b9cde2;background:#f6f9fc;padding:13px 10px;font-size:12px;line-height:1.5;font-weight:800;display:flex;flex-direction:column;gap:10px}
.old-flow span b{color:var(--blue);font-size:10px;letter-spacing:.05em}
.old-flow span:not(:last-child):after{content:'→';position:absolute;right:-15px;top:34px;z-index:1;color:var(--blue);font-size:17px;background:#fff}
.old-flow figcaption,.core-flow-figure figcaption,.demo-figure figcaption{font-size:11px;color:#7c8ea0;margin-top:12px;line-height:1.6}
.business-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}
.business-tags span{font-size:11px;color:#4e657c;border:1px solid #cbd9e7;padding:8px 12px;font-weight:800;background:#fff}
.chapter-problem,.chapter-solution{padding:42px 0}
.dark-panel{background:var(--navy);color:#fff;padding:49px 54px;margin:0 -28px}
.chapter-solution .dark-panel{background:#173f8d}
.dark-panel .chapter-head>span{color:#c6ddff}
.dark-panel .chapter-head h2{color:#fff;margin-bottom:14px}
.dark-intro{font-size:18px;line-height:1.8;font-weight:700;margin:0 0 26px;color:#e7f0fb;max-width:760px}
.pain-list>div{display:grid;grid-template-columns:42px minmax(180px,.72fr) 1fr;gap:15px;align-items:start;border-top:1px solid rgba(255,255,255,.24);padding:18px 0}
.pain-list span,.solution-list span{font-size:12px;color:var(--yellow);font-weight:900;line-height:1.6}
.pain-list h3,.solution-list h3{font-size:17px;line-height:1.55;margin:0;letter-spacing:-.02em}
.pain-list p,.solution-list p{font-size:13px;line-height:1.8;color:#d0deee;margin:0}
.dark-conclusion{border-top:1px solid rgba(255,255,255,.3);margin:12px 0 0;padding-top:26px;font-size:22px;line-height:1.65;font-weight:800;letter-spacing:-.025em;color:#fff}
.dark-conclusion:before{content:'结论 / ';color:var(--yellow);font-size:11px;letter-spacing:.08em;vertical-align:middle;margin-right:8px}
.solution-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.26);margin-top:30px}
.solution-list>div{padding:23px 24px 0;border-right:1px solid rgba(255,255,255,.24)}
.solution-list>div:first-child{padding-left:0}.solution-list>div:last-child{border:0;padding-right:0}
.solution-list h3{margin:16px 0 10px}
.core-flow-figure{margin:30px 0 0;padding:27px 29px;border:1px solid #c6d5e5;background:#f8fbfe}
.flow-title{display:flex;justify-content:space-between;gap:20px;align-items:end;padding-bottom:20px;border-bottom:1px solid #d4e1ed}
.flow-title span{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--blue)}
.flow-title strong{font-size:18px;letter-spacing:-.03em}
.flow-nodes{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:25px}
.flow-node{position:relative;background:#fff;border:1px solid #adbfda;min-height:94px;padding:14px 10px;display:flex;flex-direction:column;justify-content:space-between}
.flow-node span{font-size:10px;font-weight:900;color:var(--blue)}
.flow-node strong{font-size:12px;line-height:1.45;letter-spacing:-.02em}
.flow-node:not(:last-child):after{content:'→';position:absolute;right:-15px;top:38px;z-index:1;background:#f8fbfe;color:var(--blue);font-size:17px}
.chapter-results{padding-top:78px}
.result-highlight{border-left:5px solid var(--yellow);padding:21px 25px;background:#fffaf0;margin:0 0 34px}
.result-highlight span{display:block;font-size:11px;color:#257864;font-weight:900;margin-bottom:7px}
.result-highlight strong{display:block;font-size:23px;line-height:1.5;letter-spacing:-.035em}
.result-highlight small{display:block;font-size:11px;color:#7b8290;margin-top:7px}
.result-table{border-top:2px solid var(--ink)}
.result-table-head,.result-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:15px 17px;border-bottom:1px solid #d7e2ed}
.result-table-head{font-size:10px;color:#6b8198;font-weight:900;letter-spacing:.11em;background:#f5f8fc}
.result-row{font-size:14px;line-height:1.55;color:#63778d}
.result-row strong{color:var(--ink);font-size:15px}
.validation-strip{margin-top:37px;padding:24px 27px;background:#f4f8fc;border:1px solid #d1dfeb}
.validation-strip>strong{font-size:16px}.validation-strip p{font-size:13px;color:#536b82;line-height:1.8;margin:8px 0 17px}
.validation-strip ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:9px 24px;padding:0;margin:0}
.validation-strip li{font-size:12px;font-weight:700;border-top:1px solid #d4e0eb;padding-top:10px;display:flex;justify-content:space-between;gap:12px}
.validation-strip em{font-style:normal;font-size:10px;color:#9c781f;white-space:nowrap}
.demo-area{margin-top:47px}.demo-area h3{font-size:22px;letter-spacing:-.035em;margin:0 0 20px}
.demo-figure{margin:0}.demo-placeholder{aspect-ratio:16/9;border:1px dashed #aabfd5;background:linear-gradient(90deg,rgba(21,59,120,.05) 1px,transparent 1px),linear-gradient(rgba(21,59,120,.05) 1px,transparent 1px),#f5f9fd;background-size:27px 27px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:20px}
.demo-placeholder span{font-size:11px;font-weight:900;color:var(--blue);letter-spacing:.13em}
.demo-placeholder strong{font-size:29px;letter-spacing:-.04em;margin:13px 0}
.demo-placeholder small{font-size:12px;color:#6a7e92}
.case-final-cta{background:var(--navy);color:#fff;padding:42px 45px;margin-top:5px}
.case-final-title{font-size:28px!important;font-weight:900;line-height:1.35;letter-spacing:-.04em;color:#fff!important;margin:0!important}
.case-final-cta p{font-size:13px;color:#cadcf0;line-height:1.8;margin:10px 0 20px}

@media(max-width:1100px){.case-layout{grid-template-columns:145px minmax(0,1fr);gap:24px}.dark-panel{margin:0;padding:39px}.pain-list>div{grid-template-columns:35px 1fr;gap:8px 12px}.pain-list p{grid-column:2}.flow-nodes{grid-template-columns:repeat(3,1fr)}.flow-node:nth-child(3):after{content:'↓';right:50%;top:auto;bottom:-19px}.flow-node:nth-child(4):before{content:'↓';position:absolute;left:50%;top:-19px;color:var(--blue)}}
@media(max-width:760px){.case-card{min-height:320px}.case-card .case-body{padding:22px 22px 0}.case-card h3{font-size:22px}.result-bar{margin-left:-22px;margin-right:-22px;padding:18px 22px}.result-bar strong{font-size:19px}.hero + .section{padding-top:58px}.case-layout{display:block}.case-toc{display:none}.case-mobile-toc{display:block;border:1px solid #cad9e8;margin-top:24px;padding:12px 16px;background:#fff}.case-mobile-toc summary{font-size:13px;font-weight:800;cursor:pointer;color:var(--ink)}.case-mobile-toc nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:15px}.case-mobile-toc a{font-size:12px;font-weight:700;color:var(--blue);padding:9px;background:#f3f7fc}.case-content{padding-bottom:60px}.chapter{padding:56px 0;scroll-margin-top:70px}.chapter-head h2{font-size:36px}.reading-copy p{font-size:14px}.old-flow>div{grid-template-columns:1fr;gap:13px}.old-flow span{min-height:0;flex-direction:row;align-items:center;gap:16px;padding:13px}.old-flow span:not(:last-child):after{content:'↓';right:50%;top:auto;bottom:-17px;transform:translateX(50%)}.business-tags{gap:7px}.dark-panel{padding:30px 23px;margin:0 -20px}.dark-intro{font-size:16px}.pain-list>div{grid-template-columns:30px 1fr}.pain-list h3{font-size:16px}.pain-list p{font-size:12px}.dark-conclusion{font-size:18px}.solution-list{grid-template-columns:1fr}.solution-list>div,.solution-list>div:first-child,.solution-list>div:last-child{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding:18px 0}.solution-list>div:last-child{border:0}.solution-list h3{margin:7px 0}.core-flow-figure{padding:22px 18px}.flow-title{display:block}.flow-title strong{display:block;margin-top:8px}.flow-nodes{grid-template-columns:1fr;gap:12px;margin-top:19px}.flow-node{min-height:0;display:grid;grid-template-columns:32px 1fr;align-items:center;padding:12px 13px}.flow-node:not(:last-child):after,.flow-node:nth-child(3):after{content:'↓';right:50%;top:auto;bottom:-17px;transform:translateX(50%)}.flow-node:nth-child(4):before{display:none}.result-highlight strong{font-size:20px}.result-table-head,.result-row{gap:16px;padding-left:10px;padding-right:10px}.result-row,.result-row strong{font-size:12px}.validation-strip{padding:20px}.validation-strip ul{grid-template-columns:1fr}.demo-placeholder strong{font-size:22px}.case-final-cta{padding:29px 24px}.case-final-title{font-size:24px!important}}

/* Case 01 V3：24小时生产与可见结果 */
.case-card-visual .tag-row .tag:last-child{background:#eff4ff;color:#2459d3;border-color:#c6d7f8}
.case-card-visual h3{font-size:24px;line-height:1.38}
.case-card-visual .result-bar-visual{background:#fff4cf;border-top-color:#efc84a;padding-top:21px;padding-bottom:23px}
.result-bar-visual strong{font-size:clamp(42px,4vw,56px);line-height:1.02;letter-spacing:-.07em;color:#112b4e}
.result-bar-visual small{font-size:12px;color:#3c4e62;font-weight:700;line-height:1.5;margin-top:9px}
.result-bar-visual em{display:block;margin-top:17px;color:#1f52b6;font-size:12px;font-style:normal;font-weight:900}
/* Case 01 editorial layout: shared chapter structure, centered reading rhythm. */
.visual-v3 .detail-hero{background:#f6f8fb;padding:46px 0 56px}
.visual-v3 .detail-hero .site-wrap,.visual-v3 .case-layout{max-width:1200px;padding-left:40px;padding-right:40px}
.visual-v3 .detail-head{grid-template-columns:minmax(0,1fr) 288px;gap:64px;align-items:center}
.visual-v3 .detail-head h1{font-size:48px;line-height:1.32;letter-spacing:-.045em;margin:24px 0}
.visual-hero-from{display:block;font-size:.72em;color:#536b82;margin-bottom:8px;font-weight:700}
.visual-hero-to{display:block}
.visual-hero-to mark{background:linear-gradient(transparent 66%,#ffe489 66%);color:inherit;padding:0 2px}
.visual-v3 .detail-head .summary{font-size:17px;line-height:1.85;max-width:660px}
.visual-v3 .detail-file{margin-top:0;background:#fff2c5;border-color:#d7bd69;box-shadow:4px 4px 0 #e8dbb2;padding:24px}
.visual-v3 .detail-file .file-num{font-size:62px;margin:15px 0 20px}
.visual-v3 .detail-file dl div{grid-template-columns:60px 1fr;font-size:12px;padding:12px 0}
.visual-v3 .detail-file dd{line-height:1.65}
.visual-v3 .case-layout{display:block}
.visual-v3 .case-toc{top:76px;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:0;min-height:66px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid #dce4ed}
.visual-v3 .case-toc>span{margin:0;font-size:10px;white-space:nowrap}
.visual-v3 .case-toc nav{flex-direction:row;border:0;gap:32px;counter-reset:chapter}
.visual-v3 .case-toc a{padding:22px 0;font-size:13px;border:0;color:#576f86;counter-increment:chapter}
.visual-v3 .case-toc a:before{content:'0' counter(chapter);font-size:10px;color:#9caebf;margin-right:8px}
.visual-v3 .case-toc a:hover,.visual-v3 .case-toc a:focus{border:0;margin:0;color:var(--blue)}
.visual-v3 .case-content{padding-bottom:70px}
.visual-v3 .chapter{padding:60px 0;scroll-margin-top:165px}
.visual-v3 .chapter-head{margin-bottom:28px}
.visual-v3 .chapter-head>span{font-size:11px;letter-spacing:.1em;color:#5c7a99}
.visual-v3 .chapter-head h2{font-size:36px;line-height:1.3;margin:9px 0 0;letter-spacing:-.035em}
.visual-v3 .chapter-background{border:0;padding-bottom:52px}
.visual-v3 .reading-copy{max-width:820px}
.visual-v3 .reading-copy h3{font-size:22px;line-height:1.6;margin:0 0 12px;letter-spacing:-.02em}
.visual-v3 .reading-copy p{font-size:16px;line-height:1.9;color:#52687e}
.visual-v3 .visual-old-flow{margin:30px 0 0}
.visual-v3 .visual-old-flow>div{grid-template-columns:repeat(4,1fr);gap:22px}
.visual-v3 .visual-old-flow span{background:none;border-top:1px solid #c7d6e4;padding:14px 0;min-height:0;font-size:15px;gap:7px;font-weight:700}
.visual-v3 .visual-old-flow span b{font-size:11px;color:#71889e}
.visual-v3 .visual-old-flow span:not(:last-child):after{right:-18px;top:34px;color:#8ca3b8;font-size:16px;background:none}
.visual-v3 .old-flow figcaption{font-size:12px;margin-top:3px}
.visual-context-takeaway{font-size:17px;line-height:1.8;font-weight:700;padding:16px 20px;border-left:3px solid #e8c45b;background:#fffaf0;margin:24px 0 0;max-width:100%}
.visual-v3 .chapter-problem{padding-top:12px;padding-bottom:60px}
.visual-v3 .dark-panel{margin:0;padding:36px 40px;background:#153556}
.visual-v3 .dark-intro{font-size:23px;line-height:1.65;letter-spacing:-.02em;margin:0;max-width:900px;color:#fff}
.visual-primary-problem{font-size:14px;line-height:1.6;margin:24px 0 0;color:#b9cce0;font-weight:600}
.visual-time-compare{display:grid;grid-template-columns:1fr 40px 1fr;align-items:center;gap:24px;border:0;border-bottom:1px solid #45617d;background:none;padding:18px 0 24px;margin:0 0 20px}
.visual-time-compare>div{display:flex;flex-direction:column;gap:6px}
.visual-time-compare>div>span{font-size:14px;color:#c9d7e6;font-weight:500}
.visual-time-compare strong{font-size:62px;line-height:1.1;letter-spacing:-.055em;color:#fff}
.visual-time-compare strong small{font-size:14px;font-weight:500;letter-spacing:0;margin-left:10px;color:#c9d7e6}
.visual-time-compare>div:last-of-type strong{color:#ffe18a}
.visual-time-compare>b{font-size:13px;color:#95acc4;letter-spacing:.1em;font-weight:500}
.visual-time-compare p{grid-column:1/-1;font-size:16px;font-weight:600;color:#ffe18a;margin:4px 0 0}
.visual-time-explanation{font-size:15px;line-height:1.9;color:#d2deeb;margin:0 0 28px;max-width:900px}
.visual-problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.visual-problem-grid>div{border-top:1px solid #45617d;padding-top:19px}
.visual-problem-grid span{font-size:11px;color:#a9c0d8;font-weight:600}
.visual-problem-grid h3{font-size:19px;line-height:1.5;margin:8px 0;color:#fff}
.visual-problem-grid p{font-size:15px;line-height:1.8;color:#d2deeb;margin:0}
.visual-v3 .dark-conclusion{border-top:0;margin:22px 0 0;padding-top:0;font-size:19px;line-height:1.7;color:#ffe18a;font-weight:700}
.visual-v3 .dark-conclusion:before{display:none}
.visual-v3 .chapter-solution{padding-top:0;border:0}
.visual-v3 .chapter-solution .dark-panel{background:#153556}
.visual-solution-summary{font-size:16px;line-height:1.85;color:#d2deeb;margin:12px 0 0;max-width:900px}
.visual-v3 .solution-list{margin-top:26px;padding-top:24px;border-top:1px solid #45617d;gap:30px}
.visual-v3 .solution-list>div,.visual-v3 .solution-list>div:first-child,.visual-v3 .solution-list>div:last-child{border:0;padding:0}
.visual-v3 .solution-list span{font-size:12px;color:#ffe18a;font-weight:600}
.visual-v3 .solution-list h3{font-size:19px;line-height:1.5;margin:9px 0}
.visual-v3 .solution-list p{font-size:15px;line-height:1.85;color:#d2deeb}
.visual-v3 .visual-flow{border:0;background:none;margin:30px 0 0;padding:0}
.visual-v3 .flow-title{padding:0 0 16px;border-bottom:0;align-items:center}
.visual-v3 .flow-title span{font-size:14px;color:#637e98;letter-spacing:0;font-weight:500}
.visual-v3 .flow-title strong{font-size:20px;font-weight:700;letter-spacing:-.02em}
.visual-v3 .visual-flow .flow-nodes{grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin:0}
.visual-v3 .flow-node{border:0;border-top:2px solid #b9cddd;background:#f2f6fa;min-height:100px;padding:17px 14px;justify-content:start;gap:13px}
.visual-v3 .flow-node span{font-size:11px;color:#71869b;font-weight:500}
.visual-v3 .flow-node strong{font-size:15px;line-height:1.5;font-weight:700;letter-spacing:0}
.visual-v3 .flow-node-ai{background:#fff4cf;border-color:#e7bd4c}
.visual-v3 .flow-node:not(:last-child):after{content:'→';right:-17px;top:44px;bottom:auto;transform:none;background:none;color:#8aa1b7;font-size:16px}
.visual-v3 .flow-node:nth-child(4):before{display:none}
.visual-v3 .core-flow-figure figcaption{font-size:12px;color:#7a8c9c;margin-top:12px}
.visual-method{border:0;border-left:4px solid #e7bd4c;background:#fff4d5;padding:22px 26px;margin:26px 0 0;display:flex;gap:32px;align-items:center}
.visual-method>span{font-size:16px;color:var(--ink);font-weight:700;white-space:nowrap}
.visual-method>div{display:flex;flex-wrap:wrap;align-items:center;gap:0}
.visual-method b{font-size:14px;line-height:1.7;background:none;border:0;padding:0;font-weight:600}
.visual-method b:not(:last-child):after{content:'→';color:#99acbd;margin:0 20px;font-weight:400}
.visual-v3 .chapter-results{border-top:1px solid #dbe4ed;padding-top:52px}
.visual-metrics{display:grid;grid-template-columns:1.3fr 1fr 1.1fr;gap:0;margin:0 0 17px;align-items:stretch}
.visual-metrics>div{border:0;border-bottom:1px solid #dbe4ed;background:#fff;min-height:160px;padding:24px 28px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.visual-metrics>div.primary{background:#fff1c2;border-bottom-color:#ebd48b}
.visual-metrics strong{font-size:36px;letter-spacing:-.045em;line-height:1.2}
.visual-metrics .primary strong{font-size:68px;letter-spacing:-.065em;line-height:1}
.visual-metrics span{font-size:14px;line-height:1.65;color:#52687e;font-weight:600}
.visual-evidence-note{font-size:12px;line-height:1.8;color:#7a8d9f;margin:0 0 30px}
.visual-v3 .result-table{border-top:1px solid #8fa7be}
.visual-v3 .result-table-head{background:none;color:#7a8d9f;padding:15px 0;font-size:11px}
.visual-v3 .result-row{padding:20px 0;font-size:15px;line-height:1.75;gap:40px;align-items:center}
.visual-v3 .result-row strong{font-size:16px;line-height:1.75;font-weight:600}
.visual-demo-intro{margin-top:40px}
.visual-demo-intro>span{font-size:11px;font-weight:600;color:#7a91a6;letter-spacing:.1em}
.visual-demo-intro h3{font-size:24px;letter-spacing:-.025em;margin:8px 0}
.visual-demo-intro p{font-size:14px;line-height:1.8;color:#71869a;margin:0 0 20px}
.visual-demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.visual-demo-grid .demo-placeholder{aspect-ratio:auto;min-height:190px;background:#f3f6f9;border:1px dashed #c5d3df;align-items:start;text-align:left;padding:26px}
.visual-demo-grid .demo-placeholder>span{font-size:11px;color:#869aaf;font-weight:600}
.visual-demo-grid .demo-placeholder strong{font-size:22px;font-weight:700;line-height:1.5;margin:18px 0 8px}
.visual-demo-grid .demo-placeholder small{font-size:13px;color:#8195a9;line-height:1.7}
.visual-demo-grid figcaption{font-size:14px;line-height:1.8;color:#52687e;font-weight:500;margin-top:12px}
.visual-final-line{font-size:20px;line-height:1.8;font-weight:600;letter-spacing:-.02em;border-top:0;padding:0;margin:32px 0 0;max-width:900px}
.visual-v3 .case-final-cta{background:none;border-top:1px solid #dbe4ed;color:var(--ink);padding:36px 0 0;margin:0}
.visual-v3 .case-final-title{font-size:27px!important;line-height:1.6;color:var(--ink)!important;max-width:850px;font-weight:700}
.visual-v3 .case-final-cta p{color:#71869a;font-size:15px;line-height:1.8}
.visual-v3 .case-final-cta .btn.ghost{border-color:var(--navy);background:var(--navy);color:#fff;margin-top:6px}
@media(max-width:1100px){
  .visual-v3 .detail-head{grid-template-columns:minmax(0,1fr) 260px;gap:36px}
  .visual-v3 .detail-head h1{font-size:42px}
  .visual-v3 .case-toc nav{gap:24px}
  .visual-v3 .case-toc>span{display:none}
  .visual-v3 .case-toc{justify-content:center}
  .visual-method{gap:20px}.visual-method b:not(:last-child):after{margin:0 12px}
  .visual-metrics>div{padding:24px 20px}.visual-metrics strong{font-size:31px}
}
@media(max-width:760px){
  .visual-v3 .detail-hero{padding:30px 0 36px}
  .visual-v3 .detail-hero .site-wrap,.visual-v3 .case-layout{padding-left:22px;padding-right:22px}
  .visual-v3 .detail-head{grid-template-columns:1fr;gap:28px}
  .visual-v3 .detail-head h1{font-size:36px;margin:21px 0;line-height:1.35}
  .visual-hero-from{font-size:.71em;line-height:1.5;margin-bottom:10px}
  .visual-v3 .detail-head .summary{font-size:16px;line-height:1.85}
  .visual-v3 .detail-file{max-width:none;margin:0;box-shadow:none;padding:20px}
  .visual-v3 .detail-file .file-num{display:none}
  .visual-v3 .detail-file .file-top{margin-bottom:14px}
  .visual-v3 .detail-file dl div{padding:10px 0;font-size:12px}
  .visual-v3 .detail-file dl div:last-child{padding-bottom:0}
  .visual-v3 .case-toc{display:none}
  .visual-v3 .case-mobile-toc{margin-top:24px;padding:14px 15px;background:#f6f8fb;border:0}
  .visual-v3 .case-mobile-toc nav{gap:6px}.visual-v3 .case-mobile-toc a{padding:10px 0;background:none}
  .visual-v3 .chapter{padding:40px 0;scroll-margin-top:84px}
  .visual-v3 .chapter-head{margin-bottom:22px}
  .visual-v3 .chapter-head h2{font-size:30px}
  .visual-v3 .reading-copy h3{font-size:20px;line-height:1.65}
  .visual-v3 .reading-copy p{font-size:16px}
  .visual-v3 .visual-old-flow>div{grid-template-columns:1fr 1fr;gap:8px 24px}
  .visual-v3 .visual-old-flow span{display:flex;flex-direction:column;align-items:start;font-size:14px;gap:5px;padding:12px 0}
  .visual-v3 .visual-old-flow span:after{display:none}
  .visual-context-takeaway{font-size:15px;padding:13px 15px;margin-top:20px}
  .visual-v3 .chapter-problem{padding-top:0;padding-bottom:40px}
  .visual-v3 .chapter-solution{padding-top:0}
  .visual-v3 .dark-panel{padding:26px 22px;margin:0}
  .visual-v3 .dark-intro{font-size:20px;line-height:1.7}
  .visual-primary-problem{font-size:13px;line-height:1.8;margin-top:20px}
  .visual-time-compare{grid-template-columns:1fr 18px 1fr;gap:10px;padding:18px 0 21px;margin-bottom:18px}
  .visual-time-compare strong{font-size:42px;line-height:1.15}
  .visual-time-compare strong small{display:block;font-size:11px;margin:3px 0 0}
  .visual-time-compare>div>span{font-size:12px}.visual-time-compare>b{font-size:10px}
  .visual-time-compare p{font-size:15px;line-height:1.7;margin-top:8px}
  .visual-time-explanation,.visual-solution-summary{font-size:15px;line-height:1.9}
  .visual-problem-grid{grid-template-columns:1fr;gap:20px}
  .visual-problem-grid h3{font-size:18px}.visual-problem-grid p{font-size:15px}
  .visual-v3 .dark-conclusion{font-size:17px;margin-top:22px}
  .visual-v3 .solution-list{grid-template-columns:1fr;gap:22px;padding-top:22px;margin-top:24px}
  .visual-v3 .solution-list h3{font-size:19px;margin:6px 0 8px}
  .visual-v3 .flow-title{display:block}.visual-v3 .flow-title strong{display:block;font-size:19px;margin-top:7px}
  .visual-v3 .visual-flow .flow-nodes{grid-template-columns:1fr;gap:12px}
  .visual-v3 .flow-node{min-height:0;display:grid;grid-template-columns:88px 1fr;gap:10px;align-items:center;border:0;border-left:2px solid #b9cddd;padding:15px}
  .visual-v3 .flow-node-ai{border-left-color:#e7bd4c}
  .visual-v3 .flow-node:not(:last-child):after,.visual-v3 .flow-node:nth-child(3):after{content:'↓';display:block;top:auto;right:50%;bottom:-17px;transform:translateX(50%);font-size:16px}
  .visual-method{display:block;padding:20px;margin-top:24px}.visual-method>span{display:block;margin-bottom:12px}
  .visual-method>div{display:grid;grid-template-columns:1fr;gap:12px}.visual-method b{font-size:14px;display:flex;justify-content:space-between;align-items:center}.visual-method b:not(:last-child):after{content:'↓';margin:0 6px;color:#aa872d}
  .visual-metrics{grid-template-columns:1fr 1fr;row-gap:16px}.visual-metrics>div{min-height:112px;padding:16px 8px;gap:9px;justify-content:start}
  .visual-metrics>div.primary{grid-column:1/-1;padding:23px;min-height:140px}
  .visual-metrics strong{font-size:26px}.visual-metrics .primary strong{font-size:64px}.visual-metrics span{font-size:13px}
  .visual-evidence-note{font-size:12px;margin-bottom:24px}
  .visual-v3 .result-table-head,.visual-v3 .result-row{gap:20px}
  .visual-v3 .result-row{font-size:13px;line-height:1.8;padding:17px 0}.visual-v3 .result-row strong{font-size:14px;line-height:1.8}
  .visual-demo-intro{margin-top:32px}.visual-demo-intro h3{font-size:22px}
  .visual-demo-grid{grid-template-columns:1fr;gap:24px}
  .visual-demo-grid .demo-placeholder{min-height:160px;padding:22px}.visual-demo-grid .demo-placeholder strong{font-size:21px}
  .visual-final-line{font-size:18px;margin-top:28px}
  .visual-v3 .case-final-cta{padding-top:28px}.visual-v3 .case-final-title{font-size:23px!important;line-height:1.6}
  .visual-v3 .case-final-cta .btn{font-size:12px;padding:12px 15px;white-space:normal}
}