*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4efe6;color:#282117;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.wrap{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-head{position:fixed;z-index:70;top:0;left:0;right:0}.ticker{height:24px;background:#231a16;color:#dcb96c;font-size:12px}.ticker-in{height:24px;display:flex;align-items:center;justify-content:space-between}.text-btn{border:0;background:transparent;color:#f3dfaa;cursor:pointer;padding:0 2px}.brandbar{height:64px;background:rgba(250,246,236,.97);border-bottom:1px solid rgba(120,84,38,.18);backdrop-filter:blur(10px)}.brandbar-in{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;min-width:0}.brand-logo{height:30px;width:auto;max-width:190px;object-fit:contain;object-position:left center}.brand-word{font-weight:800;font-size:20px;letter-spacing:.08em}.brand-actions{display:flex;align-items:center;gap:10px}.app-link,.menu-btn{height:42px;padding:0 16px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(94,67,33,.28);background:#fffaf0;color:#352717;font-size:14px}.menu-btn{cursor:pointer}.app-link:hover,.menu-btn:hover,.app-link:focus-visible,.menu-btn:focus-visible{outline:none;border-color:#9d7836;box-shadow:0 0 0 3px rgba(157,120,54,.13)}.primary-nav{height:50px;background:#ede2d2;border-bottom:1px solid rgba(120,84,38,.18)}.nav-track{height:50px;display:flex;align-items:center;gap:10px;overflow:auto;scrollbar-width:none}.nav-track::-webkit-scrollbar{display:none}.nav-chip{flex:0 0 auto;padding:6px 13px;border-radius:999px;font-size:13px;color:#5c4931;border:1px solid transparent}.nav-chip.is-active{background:#6f1f25;color:#fff}.nav-chip:hover{border-color:rgba(111,31,37,.28)}.site-main{padding-top:158px;min-height:70vh}.section{padding:52px 0}.section-tight{padding:34px 0}.paper{background:#fffaf0;border:1px solid rgba(94,67,33,.14);box-shadow:0 14px 32px rgba(55,38,20,.06)}.hero{padding:58px 0 44px;background:linear-gradient(180deg,#f4efe6 0%,#eadcc9 100%);border-bottom:1px solid rgba(94,67,33,.12)}.kicker{display:inline-block;font-size:12px;letter-spacing:.18em;color:#8d6634;text-transform:uppercase}.hero h1,.page-hero h1{margin:.45rem 0 .75rem;font-size:clamp(30px,5vw,52px);line-height:1.15;letter-spacing:-.02em;color:#241915}.hero .lead{font-size:18px;max-width:780px;color:#5b4937}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.btn{min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid #7b5c31;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn-primary{background:linear-gradient(135deg,#3b1f1d,#a8843d);color:#fff8e7;border-color:transparent}.btn-secondary{background:#fffaf0;color:#352717}.mini-index{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.mini-index a{padding:8px 12px;border-left:3px solid #8f692d;background:rgba(255,250,240,.62);font-size:13px}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.feature-grid.reverse{grid-template-columns:.8fr 1.2fr}.feature-card{padding:24px;border-radius:16px;background:#fffaf0;border:1px solid rgba(94,67,33,.14)}.feature-card h2,.content-card h2,.stack-item h2,.split-card h2{margin:.2rem 0 .5rem;font-size:22px}.feature-card p,.content-card p,.stack-item p,.split-card p{margin:.55rem 0;color:#544431}.media-slot{display:flex;align-items:center;justify-content:center;background:#e9ddca;border:1px solid rgba(94,67,33,.12);overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-220{height:220px}.media-180{height:180px}.media-300{height:300px}.page-banner{height:200px}.split-card{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid rgba(94,67,33,.14);border-radius:16px;overflow:hidden;background:#fffaf0}.split-card .copy{padding:26px}.split-card .media-slot{border:0;border-right:1px solid rgba(94,67,33,.12)}.stack{display:grid;gap:14px}.stack-item{padding:22px 24px;background:#fffaf0;border-left:5px solid #9a7434;border-radius:0 14px 14px 0;box-shadow:0 8px 22px rgba(55,38,20,.05)}.stack-item strong.num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:#6f1f25;color:#fff;font-size:13px;margin-right:8px}.ribbon-list{display:grid;gap:12px}.ribbon{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px 20px;background:#efe4d2;border:1px solid rgba(94,67,33,.12);border-radius:12px}.ribbon .label{font-weight:800;color:#6f1f25}.topic-cloud{display:flex;flex-wrap:wrap;gap:10px}.topic-cloud a,.topic-cloud span{padding:10px 13px;border-radius:8px;background:#fffaf0;border:1px solid rgba(94,67,33,.14);font-size:14px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h2{margin:0;font-size:28px}.section-head p{margin:0;color:#7a6750;max-width:600px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.content-card{padding:22px;background:#fffaf0;border:1px solid rgba(94,67,33,.14);border-radius:14px}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:13px 0;border-bottom:1px solid rgba(94,67,33,.12)}.list-clean li:last-child{border-bottom:0}.status-list{display:grid;gap:12px}.status{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:16px 18px;background:#fffaf0;border:1px solid rgba(94,67,33,.14);border-radius:12px}.status strong{color:#6f1f25}.page-hero{padding:44px 0 30px;border-bottom:1px solid rgba(94,67,33,.12);background:linear-gradient(180deg,#f8f3ea,#eee0cb)}.page-hero p{max-width:820px;color:#5d4c39;margin:0}.article{padding:42px 0 60px}.article-copy{max-width:820px}.article-copy h2{font-size:23px;margin:2rem 0 .75rem}.article-copy h3{font-size:17px;margin:1.35rem 0 .45rem}.article-copy p{margin:.7rem 0;color:#443728}.note{padding:18px 20px;background:#efe4d2;border-left:4px solid #8c672e;margin:18px 0}.faq-list{display:grid;gap:12px}.faq-item{padding:20px;background:#fffaf0;border:1px solid rgba(94,67,33,.14);border-radius:12px}.faq-item h2{font-size:18px;margin:0 0 8px}.faq-item p{margin:0;color:#4b3d2e}.site-footer{background:#231a16;color:#efe5d4;border-top:2px solid #a9823e;padding:44px 0 76px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-grid h2{font-size:13px;color:#d9b96f;margin:0 0 10px}.footer-grid a{display:block;color:#efe5d4;margin:7px 0}.footer-grid a:hover{text-decoration:underline}.footer-brand p{color:#cdbfa8}.footer-brandline{display:flex;align-items:center;gap:12px;margin-bottom:14px}.footer-logo{height:28px;width:auto;max-width:160px;object-fit:contain}.footer-brandline div{display:flex;flex-direction:column}.footer-brandline span{font-size:11px;color:#bcae97}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:30px;padding-top:18px;border-top:1px solid rgba(217,185,111,.22);color:#bcae97}.screen-mask{position:fixed;z-index:90;inset:0;background:rgba(18,13,10,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-mask.is-open{opacity:1;visibility:visible}.channel-panel{position:fixed;z-index:100;left:50%;bottom:18px;width:min(640px,calc(100% - 32px));max-height:min(72vh,660px);transform:translate(-50%,calc(100% + 40px));visibility:hidden;pointer-events:none;background:#fffaf0;border:1px solid rgba(94,67,33,.2);border-radius:18px;box-shadow:0 22px 60px rgba(20,12,8,.28);transition:.24s}.channel-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(94,67,33,.14)}.panel-brand{display:flex;align-items:center;gap:10px}.panel-brand img{height:26px;width:auto;max-width:150px;object-fit:contain}.close-btn{min-height:40px;padding:7px 13px;border:1px solid rgba(94,67,33,.26);background:#f6eddf;color:#3b2a1b;border-radius:10px;cursor:pointer}.panel-scroll{padding:12px 18px 18px;overflow:auto;max-height:calc(min(72vh,660px) - 70px)}.menu-group{margin:6px 0 18px}.menu-group h2{font-size:12px;color:#8a6a3b;letter-spacing:.12em;margin:0 0 8px}.menu-group a{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid rgba(94,67,33,.1)}.menu-group a span{color:#73614b;font-size:12px}.search-layer{position:fixed;z-index:99;top:88px;left:0;right:0;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fffaf0;border:1px solid rgba(94,67,33,.2);box-shadow:0 20px 50px rgba(31,20,13,.16);padding:24px;border-radius:0 0 18px 18px}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.search-head h2{font-size:24px;margin:2px 0 12px}.eyebrow{font-size:11px;color:#8b6a37;letter-spacing:.14em}.search-fake{padding:14px 16px;background:#efe4d2;border-radius:10px;color:#6d5a43}.quick-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.quick-links a{padding:9px 12px;border:1px solid rgba(94,67,33,.18);border-radius:999px}.mobile-bottom{display:none}.no-scroll{overflow:hidden}.accent-box{padding:24px;background:#6f1f25;color:#fff5e4;border-radius:14px}.accent-box h2{margin-top:0}.app-layout{display:grid;grid-template-columns:minmax(220px,340px) 1fr;gap:34px;align-items:center}.app-visual{display:flex;flex-direction:column;gap:14px;align-items:center}.app-icon{width:58px;height:58px;object-fit:contain}.divider{height:1px;background:rgba(94,67,33,.14);margin:24px 0}.callout-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.callout{padding:18px;background:#efe4d2;border-radius:12px}.callout h3{margin:0 0 8px;font-size:16px}.tag{display:inline-block;padding:4px 8px;border-radius:999px;background:#6f1f25;color:#fff;font-size:11px}
@media(max-width:780px){.wrap{width:min(100% - 32px,1120px)}.primary-nav{display:none}.site-main{padding-top:88px}.hero{padding-top:38px}.hero h1,.page-hero h1{font-size:34px}.feature-grid,.feature-grid.reverse,.content-grid,.split-card,.app-layout,.callout-row{grid-template-columns:1fr}.split-card .media-slot{border-right:0;border-bottom:1px solid rgba(94,67,33,.12)}.ribbon{grid-template-columns:1fr;gap:4px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:96px}.mobile-bottom{position:fixed;z-index:65;left:0;right:0;bottom:0;height:calc(52px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(35,26,22,.98);border-top:1px solid rgba(217,185,111,.22)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#e8ddca;font-size:12px}.mobile-bottom a.is-current{background:#a17a37;color:#fff}.search-layer{top:0;bottom:0;background:#231a16}.search-card{width:100%;height:100%;border:0;border-radius:0;background:#231a16;color:#f4e9d3;padding-top:42px}.search-fake{background:#3a2a22;color:#dcc8a7}.quick-links a{border-color:rgba(220,185,108,.35)}.close-btn{min-height:44px}.channel-panel{bottom:64px;max-height:76vh}.panel-scroll{max-height:calc(76vh - 70px)}.menu-group a{grid-template-columns:92px 1fr}.media-300{height:280px}}@media(max-width:520px){.brand-actions{gap:6px}.app-link,.menu-btn{padding:0 11px;font-size:12px}.brand-logo{max-width:130px}.brand-word{font-size:17px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column}.hero .lead{font-size:16px}.section{padding:40px 0}.section-head{align-items:flex-start;flex-direction:column}.page-banner{height:170px}}