*{box-sizing:border-box}:root{--ink:#203c34;--green:#245b48;--muted:#7c8c7e;--line:#e1e8dc;--cream:#f4f5ed;--lime:#d6e4b5;--rust:#aa7658}body{margin:0;color:var(--ink);background:var(--cream);font:14px/1.65 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background-image:radial-gradient(ellipse at 90% 4%,#dfe8d36b,transparent 48%)}button,input,select{font:inherit}button{border:0;cursor:pointer;touch-action:manipulation}input,select{font-size:16px;min-height:48px;min-width:0;width:100%;border:1px solid var(--line);border-radius:12px;background:#f9faf5;padding:10px 12px;color:var(--ink)}input[type=checkbox]{width:18px;min-height:18px;height:18px;accent-color:var(--green);margin:0}input:disabled{opacity:.5}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b49a4b;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:35px;line-height:1.45;letter-spacing:-1.2px;font-weight:600}h1 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.heading{margin-bottom:12px}.icon-btn{min-width:44px;min-height:44px;font-size:24px;background:none;color:#819079}.share-dialog{width:480px;max-height:90vh;overflow-y:auto}.share-dialog>img{width:100%;height:auto;border-radius:13px}.share-dialog .actions{margin-top:10px}#toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:#163f31;color:#eff3df;border-radius:12px;padding:12px 20px;font-size:12px;z-index:100;max-width:92%;display:none;box-shadow:0 6px 30px #0002}#toast.show{display:block}[hidden]{display:none!important}@media(max-width:980px){.shell{grid-template-columns:205px minmax(0,1fr)}.sidebar{padding:35px 22px}.side-copy{font-size:27px}main{padding:25px}}@media(max-width:720px){.shell{display:block}.sidebar{display:none}main{padding:16px 16px 30px;max-width:540px}.hero{padding:20px 21px 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strong{font-size:25px}.main-nav{gap:28px}.two-fields{gap:12px}.record-row{gap:8px}.chart-panel canvas{height:220px}.heading h2{font-size:22px}.heading .tag{font-size:9px}.scope{margin-top:-5px}#add-student{display:block}#add-student button{margin-top:12px;width:100%}}@media(max-width:350px){main{padding:12px}.panel{padding:14px}.stat strong{font-size:19px}.stat{padding:13px 8px}.round{grid-template-columns:22px minmax(0,1fr) 87px}.hero h1{font-size:24px}.share-strip{flex-wrap:wrap}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,transform .15s}button:active{transform:scale(.98)}}
/* 飞行手记：淡纸纹与飞翼，点缀竞速赛门。 */
.hero{background:#e9efdf;color:#294d39;border:1px solid #dce5cf;background-image:url('paper-grain.svg')}
.hero h1 em{color:#5d7d49}.hero-top .eyebrow{color:#8a9b74}.hero-date{color:#8c9c7b}.hero .version{border-color:#a9bb9266;color:#7d9365;background:#e3ebd5}.hero .mobile-brand small{color:#879b73}.hero-flight{background-image:url('flight-bg.svg');inset:0;opacity:.85}
.side-art{opacity:.45}.share-strip{background-color:#e7efda;background-image:url('flight-bg.svg'),url('paper-grain.svg');background-position:right center,left top;background-size:cover,40px 40px;color:#365a3d;border:1px solid #dce7cd}.share-strip p{color:#849873}.share-strip .primary{background:#315d46;color:#f0f4e4}.brand-story{background:#f6f8ee url('paper-grain.svg')}.brand-story img{position:relative}
@media(max-width:720px){.hero-flight{inset:0;background-position:right center;opacity:.85}.hero h1{position:relative}.hero .mobile-brand{position:relative}.hero-date{position:relative}.share-strip{background-position:75% center,left top}}
/* V0.3：用户确认的 B 方案，实际生图素材。 */
:root{--cream:#f7f6ef;--line:#e6e8dd;--muted:#87917b}body{background-color:#f7f6ef;background-image:radial-gradient(ellipse at 75% 0%,#e8edda70,transparent 40%)}
.hero{min-height:265px;background:#f9f8ef;color:#1d4835;padding:25px 27px 32px;border:1px solid #e0e6d7;background-image:none;display:flex;flex-direction:column;justify-content:flex-start}
.hero-flight{background:url('fpv-race-hero-v3.png') center center/cover no-repeat;inset:0;opacity:1;z-index:-2}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#faf9f2ed 0%,#faf9f2c9 38%,#faf9f220 72%,transparent);z-index:-1}.hero-top{margin-bottom:36px}.hero h1{font-size:32px;max-width:450px}.hero h1 em{color:#35694c}.hero-date{color:#758566}.hero .version{background:#f5f7ecb8}.hero-stamp{font-size:8px;letter-spacing:1.4px;color:#718763;margin-top:auto;padding-top:25px}.hero .mobile-brand img{width:42px;height:42px}.brand img{width:55px;height:55px}.sidebar .side-art{background:url('fpv-race-hero-v3.png') 73% center/cover no-repeat;inset:410px 0 0;opacity:.18;mask-image:linear-gradient(transparent,#000)}
.share-strip{background:#eaf0df url('fpv-race-hero-v3.png') right center/cover;position:relative;isolation:isolate;overflow:hidden}.share-strip:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#edf2e3fa,#edf2e3d9 55%,#edf2e333);z-index:-1}.share-strip .primary{background:#285b42;color:#f1f5e8}.brand-story img{width:59px;height:59px}.brand-story{background:#f7f8ef}.stat:nth-child(2){background:#e3edda}#drill-scope .two-fields{grid-template-columns:1fr}
@media(max-width:720px){.hero{min-height:275px;padding:19px 20px 20px}.hero .mobile-brand{margin-bottom:14px}.hero .hero-top{margin-bottom:18px}.hero .mobile-brand span{font-size:20px}.hero h1{font-size:26px;max-width:290px;line-height:1.45}.hero h1 em{display:block}.hero .hero-flight{inset:0;background-position:68% center;opacity:1}.hero:after{background:linear-gradient(90deg,#faf9f2f2 0%,#faf9f2b8 41%,#faf9f210 78%)}.hero .mobile-brand small{font-size:9px}.hero-date{font-size:10px}.hero-stamp{font-size:7px;padding-top:15px}.hero .version{right:19px;top:24px}.hero .eyebrow{font-size:7px;letter-spacing:1px}.share-strip{background-position:75% center}}
.range-switch{display:flex;gap:3px;padding:3px;background:#e9efdf;border-radius:10px}.range-switch button{padding:8px 12px;min-height:40px;border-radius:8px;color:#7e8e70;background:none;font-size:12px}.range-switch button.active{background:#fff;color:#285b42;font-weight:600}.export-controls{display:flex;align-items:center;gap:4px}.export-controls select{max-width:155px;min-height:40px;font-size:10px;padding:6px}.cloud-line{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:12px}.cloud-line span{font-size:11px;color:#6f8661}.edit-record{background:#eaf0e2;color:#6b875c;border-radius:9px;width:44px;min-height:44px;font-size:11px;flex-shrink:0}.edit-round{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.conflict-card{background:#edf2e5;padding:13px;margin-top:12px;border-radius:12px;font-size:12px}.conflict-card p{margin-top:7px;overflow-wrap:anywhere}.round input{font-size:16px}.filter-bottom{gap:8px;flex-wrap:wrap}.stat:nth-child(n+4) strong{font-size:28px}.stat:nth-child(n+4){background:#e4edda}.stat:nth-child(n+4) .stat-label{color:#5b7850}.chart-panel select{font-size:12px}#edit-dialog{max-height:90vh;overflow:auto}#drill-time{font-size:25px;letter-spacing:2px}
@media(max-width:720px){.stat:nth-child(n+4) strong{font-size:25px}.export-controls select{max-width:135px;font-size:10px}.record-row{gap:6px}.record-row .grow p{font-size:12px}.result-value{font-size:13px}.round{grid-template-columns:25px minmax(0,1fr) 106px}}@media(max-width:350px){.stat:nth-child(n+4) strong{font-size:22px}.record-row .grow .meta{font-size:9px}}