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 #slide-1.hero .lede{margin:12px 0 16px}
 #slide-1.hero .body{gap:15px}
 #slide-1.hero:after{grid-column:1;grid-row:5;height:220px;min-height:220px;margin-top:18px;background-size:auto 100%;background-position:right center}
 #slide-1.hero .source-line{grid-row:6;margin-top:14px}
}
@media print{#slide-1.hero:after{display:none}}

/* 保留原课件气质，改为大会标书流程演示。 */
html,body{font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.hero h1{font-size:clamp(36px,4.5vw,70px);max-width:1080px;line-height:1.2}
.hero .lede{max-width:700px}
.brand{font-size:13px;letter-spacing:.5px}
.panel .big{font-size:clamp(32px,3.8vw,58px);display:block;padding:12px 0}
.paper p{font-size:clamp(18px,1.8vw,27px);line-height:1.85}
.topbar{height:64px;flex-wrap:nowrap}
.topbar nav{flex-shrink:0}
.return-link{font-size:11px}
#open-proposal{background:var(--ice);color:var(--ink);font-size:17px;padding:14px 26px}
.manuscript-copy{white-space:pre-wrap;line-height:1.9;font-size:15px;max-width:940px}
@media(max-width:700px){.topbar{height:auto;min-height:102px;flex-wrap:wrap;padding:12px 18px}.topbar .brand{width:100%}.topbar nav{width:100%;justify-content:space-between;gap:4px}.topbar nav button{font-size:10px;padding:7px 8px}.edition{display:none}.hero h1{font-size:37px}.hero .lede{font-size:15px}.source-line>span{max-width:80%}.source-line{font-size:10px}.paper p{font-size:18px}body:not(.reading){height:100dvh;display:flex;flex-direction:column;overflow:hidden}body:not(.reading) #deck{flex:1;height:auto;min-height:0;overflow:hidden}.topbar,.controls,.progress{flex-shrink:0}}


/* 听众版：图解论证、清晰层次与投屏阅读。 */
.slide:not(.hero){background:radial-gradient(ellipse at 90% 5%,#14252b80,transparent 55%),#080d11}
.slide h1{font-size:clamp(29px,3vw,46px);font-weight:600;max-width:1250px}
.lede{font-size:clamp(16px,1.4vw,21px);color:#b4c2c8;margin:15px 0 24px}
.body{gap:22px}
.concept-card{padding:25px 26px;background:#111d24;border-top:3px solid #6d9cab;min-width:0}
.concept-card h2{font-size:clamp(20px,1.8vw,27px);font-weight:550;color:var(--ice);margin:0 0 16px}
.concept-card p{font-size:clamp(16px,1.45vw,21px);line-height:1.85;color:#ccd5d9;margin:0}
.takeaway{padding:16px 22px;border-left:3px solid var(--amber);background:#211d16;color:#ece4d6;font-size:clamp(16px,1.5vw,22px);line-height:1.75}
.hero-message{font-size:clamp(22px,2.2vw,33px);color:#c9dce3;line-height:1.7;margin:8px 0 20px}
.hero .body{justify-content:flex-start}
.case-center{display:flex;flex-wrap:wrap;gap:18px;align-items:center;padding:20px 24px;background:#13232b}
.case-center span{font-size:13px;color:var(--amber)}
.case-center strong{font-size:clamp(18px,1.7vw,25px);font-weight:500;margin-right:30px}
table{font-size:clamp(15px,1.35vw,20px)}
th{font-size:14px}td,th{padding:17px 18px}
.question-ladder{display:grid;gap:15px}
.question-ladder article{padding:16px 24px;border-left:3px solid #8daeb8;background:#12212a;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center}
.question-ladder article:nth-child(2){margin-left:5%}
.question-ladder article:nth-child(3){margin-left:10%;background:#1e2728;border-color:var(--amber)}
.question-ladder small{color:var(--amber);font-size:15px}
.question-ladder p{font-size:clamp(17px,1.7vw,25px);line-height:1.65;margin:0}
.evidence-comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.evidence-comparison article{padding:20px;background:#13232a;border-top:3px solid var(--ice)}
.evidence-comparison article:nth-child(2){border-color:var(--amber)}
.evidence-comparison article>span{font-size:15px;color:#c3d2d8}
.evidence-comparison strong{display:block;font:64px/1.2 Georgia,serif;margin:14px 0;color:var(--ice)}
.evidence-comparison article:nth-child(2) strong{color:var(--amber)}
.evidence-comparison p{font-size:15px;line-height:1.8;margin:0;color:#b8c8cf}
.figure-thumbnail{grid-column:1/-1;display:flex;gap:16px;align-items:center;border-radius:4px;padding:8px 12px;border-color:#4d646d;width:max-content;max-width:100%}
.figure-thumbnail img{width:120px;height:58px;object-fit:contain;background:white}
.figure-thumbnail span{font-size:13px}
.annotation{padding:0 12px}
.annotation h2{font-size:26px;color:var(--ice)}
.annotation ol{padding-left:25px;font-size:19px;line-height:1.9;color:#d4dfe4}
.annotation p{color:#b0c0c8;font-size:16px;line-height:1.8}
.decision-strip{border:1px solid #7c6547;padding:18px 25px;display:flex;align-items:center;gap:35px}
.decision-strip b{font-size:16px;color:var(--amber)}
.decision-strip p{font-size:22px;line-height:1.65;margin:0}
.research-chain{display:flex;gap:28px}
.research-chain article{flex:1;min-width:0;padding:22px;background:#13232b;position:relative;border-top:2px solid #79a9b8}
.research-chain article+article:before{content:"→";position:absolute;left:-25px;top:45%;color:var(--amber)}
.chain-num{font:40px/1 Georgia,serif;color:#7898a5}
.research-chain h2{font-size:clamp(20px,1.8vw,27px);font-weight:500;color:var(--ice);margin:20px 0 12px}
.research-chain p{font-size:18px;line-height:1.7;color:#c4d0d5;margin:0}
.route-map{max-width:1020px;width:100%;margin:0 auto;text-align:center}
.route-start{font-size:21px;padding:12px}
.route-arrow{color:var(--amber);font-size:22px}
.route-check{padding:14px 20px;background:#223238;border:1px solid #82a0a9;font-size:24px}
.route-branches{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-top:28px}
.route-branches article{background:#111e24;border-top:2px solid var(--ice);padding:18px;position:relative}
.route-branches article:before{content:"↓";position:absolute;top:-28px;left:50%;color:var(--amber)}
.route-branches article:nth-child(2){border-color:var(--amber)}
.route-branches b{color:var(--amber);font-size:19px}
.route-branches p{font-size:18px;color:#d1dde2;margin:12px 0}
.route-branches span{font-size:16px;color:#85a7b5}
.argument-stack{display:grid;gap:18px}
.argument-stack article{display:grid;grid-template-columns:130px 1fr;gap:25px;padding:22px;background:#13232b}
.argument-stack b{color:var(--amber);font-size:21px;align-self:center}
.argument-stack p{margin:0;font-size:clamp(18px,1.6vw,24px);line-height:1.8}
.dependency{display:grid;grid-template-columns:220px 1fr;gap:45px;align-items:center}
.dependency-core{padding:40px 20px;text-align:center;font-size:28px;color:var(--amber);border:1px solid #ab8254;background:#241f18;position:relative}
.dependency-core:after{content:"→";position:absolute;right:-34px;top:40%;color:var(--amber)}
.dependency-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.dependency-grid .concept-card{padding:20px}
.proposal-map{display:grid;gap:16px}
.proposal-map article{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:20px 25px;background:#12212a}
.proposal-map b{font-size:22px;color:var(--amber)}
.proposal-map p{font-size:22px;margin:0;line-height:1.5}
.proposal-actions{display:flex;align-items:center;gap:25px}
.proposal-actions span{color:#afc2cb;font-size:16px}
.closing-line{font-size:clamp(22px,2vw,31px);line-height:1.8;color:#dce7eb}
.closing-line span{color:var(--ice)}
.manuscript-attachment{display:inline-flex;align-items:center;gap:7px;width:fit-content;min-height:32px;padding:5px 4px;color:#97a5ad;text-decoration:none;font-size:10px;line-height:1.4;opacity:.8}
.manuscript-attachment:hover{color:#dce6eb;opacity:1}
.manuscript-attachment:focus-visible{outline:3px solid #e3c693;outline-offset:4px}
.proposal-text{max-width:960px;margin:auto;padding:0 15px 25px}
.proposal-text h2{font-size:27px;line-height:1.5}.proposal-text h3{font-size:23px;color:var(--amber);margin:30px 0 15px}
.proposal-text p{font-size:17px;line-height:1.95;color:#d0dce3;margin:12px 0}
@media(max-width:900px){.research-chain{gap:18px}.research-chain article{padding:15px}.research-chain article+article:before{left:-17px}.research-chain p{font-size:16px}.dependency{grid-template-columns:160px 1fr;gap:30px}.dependency-core{font-size:23px}.dependency-core:after{right:-25px}.proposal-map article{grid-template-columns:150px 1fr}}
@media(max-width:600px){.slide h1{font-size:28px}.lede{font-size:16px;line-height:1.75}.hero-message{font-size:23px}.concept-card{padding:20px}.concept-card p{font-size:17px}.question-ladder article{display:block;padding:18px}.question-ladder p{margin-top:10px}.question-ladder article:nth-child(2){margin-left:3%}.question-ladder article:nth-child(3){margin-left:6%}.case-center{display:grid;grid-template-columns:1fr;padding:16px;gap:10px}.case-center strong{margin:0}.evidence-comparison{gap:12px}.evidence-comparison article{padding:12px}.evidence-comparison strong{font-size:39px}.evidence-comparison p{font-size:12px}.evidence-comparison article>span{font-size:13px}.annotation{padding:0}.annotation ol{font-size:17px}.decision-strip{gap:18px;padding:16px}.decision-strip p{font-size:18px}.research-chain{flex-direction:column;gap:23px}.research-chain article+article:before{content:"↓";left:48%;top:-24px}.research-chain article{display:grid;grid-template-columns:40px 1fr;gap:8px 15px}.research-chain h2{margin:0;align-self:center}.research-chain p{grid-column:2}.chain-num{font-size:32px}.route-check{font-size:20px}.route-branches{gap:14px}.route-branches article{padding:12px 8px}.route-branches p{font-size:15px}.argument-stack article{display:block;padding:20px}.argument-stack p{margin-top:12px;font-size:18px}.dependency{grid-template-columns:1fr;gap:28px}.dependency-core{padding:20px}.dependency-core:after{content:"↓";right:48%;top:auto;bottom:-28px}.dependency-grid{gap:12px}.dependency-grid .concept-card{padding:14px}.dependency-grid h2{font-size:19px}.dependency-grid p{font-size:15px}.proposal-map article{display:block;padding:18px}.proposal-map p{font-size:18px;margin-top:12px}.proposal-actions{display:block}.proposal-actions span{display:block;margin-top:16px;line-height:1.7}table{font-size:14px}td,th{padding:12px 8px}.source-line>span{max-width:75%}.source-line{line-height:1.6}}
@media screen and (min-width:1000px) and (max-height:780px){
 .slide{padding-top:18px}.slide h1{font-size:34px}.lede{margin:10px 0 15px;font-size:17px}.body{gap:15px}.eyebrow{margin-bottom:9px}
 .evidence-comparison article{padding:14px 18px}.evidence-comparison strong{font-size:50px;margin:9px 0}.evidence-comparison{gap:14px}
 .annotation h2{font-size:23px;margin:12px 0}.annotation ol{font-size:17px}.annotation p{font-size:15px}
 .takeaway{padding:12px 18px;font-size:18px}.route-start{padding:7px;font-size:19px}.route-check{padding:10px;font-size:21px}
 .route-branches{margin-top:24px}.route-branches article{padding:12px}.route-branches p{margin:7px 0;font-size:16px}.route-branches b{font-size:17px}
 .source-line{margin-top:10px}
}
@media print{.concept-card,.research-chain article,.argument-stack article,.proposal-map article{background:#eef2f4!important}.takeaway{background:#f5f1e9!important}.slide:not(.hero){background:#fff!important}}
/* 按用户指定便携版恢复封面，仅在左下增加低调附件入口。 */
.slide.hero h1{font-size:clamp(43px,5.5vw,83px);max-width:850px;font-weight:540;line-height:1.2;letter-spacing:-2px;margin-top:24px}
.hero .lede{max-width:630px;font-size:18px;font-weight:400;color:var(--muted);margin:13px 0 20px}
.hero .body{justify-content:flex-end;align-items:flex-start;padding-bottom:12px;gap:18px}
.cover-attachment-row{flex-shrink:0;display:flex;justify-content:flex-start}
.hero .source-line{margin-top:6px}
@media(max-width:900px){.slide.hero h1{font-size:54px}}
.hero .hero-academic-notice{margin:0 0 18px;font-size:clamp(20px,2.2vw,28px);font-weight:500;line-height:1.75;color:var(--ice);max-width:100%;flex-shrink:0;overflow-wrap:anywhere}
@media(max-width:600px){.slide.hero h1{font-size:42px;letter-spacing:-1px}.hero .lede{font-size:15px}.hero .body{min-height:100px}.hero .hero-academic-notice{font-size:18px}.hero .source-line{margin-top:6px}}