.platform-page{--platform-ink:#0d3029;--platform-deep:#06251f;--platform-paper:#f3ede0;--platform-gold:#c6a25e;--platform-red:#a74435;color:#263a33;background:#eee6d6;min-height:100vh;overflow-x:hidden}.platform-page :where(a,button):focus-visible{outline-offset:4px;outline:2px solid #c6923b}.platform-section-inner{width:min(1420px,100% - 72px);margin:0 auto}.platform-section-label{color:var(--platform-red);letter-spacing:.24em;margin:0 0 13px;font:600 11px/1.4 Georgia,serif}.platform-hero{color:#f1e5c7;background:linear-gradient(90deg,#04231df7 0%,#04231ddb 48%,#04231d61 75%,#04231d99 100%),url(/images/optimized/v1/about-platform-landscape-1600.webp) bottom/cover no-repeat;min-height:min(760px,100svh - 84px);position:relative;overflow:hidden}.platform-hero:before{content:"";pointer-events:none;opacity:.2;background:radial-gradient(circle at 72% 22%,#d8b56c33,#0000 26%),repeating-linear-gradient(90deg,#0000 0 139px,#ddc38b14 140px,#0000 141px);position:absolute;inset:0}.platform-hero:after{content:"";background:linear-gradient(90deg,#0000,#bf964d 22%,#e0c57e 50%,#bf964d 78%,#0000);height:2px;position:absolute;bottom:0;left:0;right:0}.platform-hero-inner{z-index:1;width:min(1420px,100% - 112px);min-height:inherit;grid-template-columns:minmax(520px,.98fr) minmax(390px,.72fr);align-items:center;gap:clamp(70px,9vw,150px);margin:0 auto;padding:78px 56px 138px 0;display:grid;position:relative}.platform-kicker{color:#d5b66f;letter-spacing:.26em;align-items:center;gap:16px;margin:0 0 25px;font:600 11px/1.4 Georgia,serif;display:flex}.platform-kicker:before{content:"";background:#b5914f;width:50px;height:1px}.platform-hero h1{color:#f5e9ca;letter-spacing:.08em;text-shadow:0 4px 20px #01100d3d;margin:0;font:400 clamp(58px,5.8vw,88px)/1.28 Noto Serif SC,Songti SC,serif}.platform-hero-lead{color:#d9b66b;letter-spacing:.18em;margin:25px 0 14px;font:400 24px/1.5 Noto Serif SC,Songti SC,serif}.platform-hero-note{color:#f0e8d3b3;max-width:710px;margin:0;font-size:15px;line-height:2.05}.platform-hero-actions{gap:12px;margin-top:34px;display:flex}.platform-hero-actions a{color:#ead7ab;letter-spacing:.08em;border:1px solid #d6b46d75;justify-content:space-between;align-items:center;gap:22px;min-width:170px;height:48px;padding:0 20px;font-size:13px;text-decoration:none;transition:color .25s,border-color .25s,background .25s,transform .25s;display:inline-flex}.platform-hero-actions a:first-child{color:#fff4d7;background:#a64335;border-color:#a64335}.platform-hero-actions a:hover{color:#fff;background:#c7a25a29;border-color:#d9b86e;transform:translateY(-2px)}.platform-hero-actions a:first-child:hover{background:#b64c3c}.platform-hero-actions i{font-family:Georgia,serif;font-style:normal}.platform-hero-ledger{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#07272047;border-top:1px solid #dbbc7b8f;border-bottom:1px solid #dbbc7b59;align-self:center;padding:35px 34px 30px}.platform-hero-seal{color:#d9bb79;border:1px solid #c4a25c;grid-template-columns:repeat(2,1fr);width:58px;height:58px;margin-bottom:27px;padding:7px;font:16px/1 Noto Serif SC,serif;display:grid}.platform-hero-seal span{border:1px solid #d1b16c52;place-items:center;display:grid}.platform-hero-ledger>p{color:#eee2c5;letter-spacing:.06em;margin:0;font:400 24px/1.75 Noto Serif SC,Songti SC,serif}.platform-hero-principles{border-top:1px solid #dbbc7b3d;grid-template-columns:repeat(3,1fr);margin-top:28px;display:grid}.platform-hero-principles span{border-left:1px solid #dbbc7b33;gap:9px;padding:20px 13px 2px;display:grid}.platform-hero-principles span:first-child{border-left:0;padding-left:0}.platform-hero-principles b{color:#aa8c52;font:10px/1 Georgia,serif}.platform-hero-principles strong{color:#dfc995;letter-spacing:.1em;font:500 14px/1.4 Noto Serif SC,serif}.platform-hero-side{color:#ebdab38c;letter-spacing:.12em;flex-direction:column;align-items:center;gap:7px;font:11px/1 Noto Serif SC,serif;display:flex;position:absolute;top:80px;right:0}.platform-hero-side i{background:linear-gradient(#b99451,#0000);width:1px;height:110px;margin-top:9px}.platform-origins{background:#f2ebdc url(/images/optimized/v1/culture-paper-scroll-v1-1600.webp) 50%/cover;position:relative;overflow:hidden}.platform-origins:after{content:"灵";color:#73522b09;pointer-events:none;font:360px/1 Noto Serif SC,serif;position:absolute;bottom:-125px;right:-28px}.platform-origins .platform-section-inner{z-index:1;padding:88px 0 98px;position:relative}.platform-origin-heading{border-bottom:1px solid #92693173;grid-template-columns:.65fr 1.35fr;align-items:end;gap:110px;padding-bottom:34px;display:grid}.platform-origin-heading h2{color:var(--platform-ink);letter-spacing:.12em;margin:0;font:400 clamp(44px,4.5vw,66px)/1.15 Noto Serif SC,Songti SC,serif}.platform-origin-intro{max-width:740px}.platform-origin-intro strong{color:#3c4c45;margin-bottom:13px;font:500 22px/1.5 Noto Serif SC,serif;display:block}.platform-origin-intro p{color:#6b6b61;margin:0;font-size:15px;line-height:2}.platform-origin-grid{border-top:1px solid #92693133;border-bottom:1px solid #92693133;grid-template-columns:repeat(3,1fr);margin-top:42px;display:grid}.platform-origin-grid article{border-left:1px solid #9269313b;min-height:300px;padding:34px 36px 38px}.platform-origin-grid article:first-child{border-left:0}.platform-origin-mark{justify-content:space-between;align-items:center;display:flex}.platform-origin-mark>span{width:46px;height:56px;color:var(--platform-red);border:1px solid #a4423480;place-items:center;font:21px/1 Noto Serif SC,serif;display:grid}.platform-origin-mark small{color:#ae9465;font:11px/1 Georgia,serif}.platform-origin-grid h3{color:var(--platform-ink);letter-spacing:.05em;margin:30px 0 18px;font:500 24px/1.4 Noto Serif SC,Songti SC,serif}.platform-origin-grid p{color:#686960;margin:0;font-size:14px;line-height:2}.platform-method{color:#eadab8;background:var(--platform-deep) url(/images/ui/culture-cosmos-ink-v1.png) center/cover;position:relative;overflow:hidden}.platform-method:before{content:"";pointer-events:none;background:linear-gradient(120deg,#021c17b8,#062821d9);position:absolute;inset:0}.platform-method .platform-section-inner{z-index:1;padding:92px 0 104px;position:relative}.platform-method-heading{grid-template-columns:.8fr 1.2fr;align-items:end;gap:100px;display:grid}.platform-method .platform-section-label{color:#c5a35f}.platform-method-heading h2{color:#f0dba9;letter-spacing:.08em;margin:0;font:400 clamp(42px,4.2vw,64px)/1.35 Noto Serif SC,serif}.platform-method-heading>p{color:#e8dec39e;max-width:660px;margin:0 0 8px;font-size:15px;line-height:2}.platform-capability-tabs{border-top:1px solid #cfac635c;border-bottom:1px solid #cfac635c;grid-template-columns:repeat(4,1fr);margin-top:54px;display:grid}.platform-capability-tabs button{color:#e8dbbc8c;cursor:pointer;text-align:left;background:0 0;border:0;border-left:1px solid #cfac632e;grid-template-rows:auto auto;grid-template-columns:auto 1fr;align-content:center;gap:7px 15px;min-height:112px;padding:20px 28px;transition:color .25s,background .25s;display:grid;position:relative}.platform-capability-tabs button:first-child{border-left:0}.platform-capability-tabs button:hover{color:#f0dba9;background:#cda85c12}.platform-capability-tabs button.is-active{color:#f6e4b8;background:#cda85c1f}.platform-capability-tabs button small{color:#b28e4c;letter-spacing:.2em;grid-column:2;font:9px/1 Georgia,serif}.platform-capability-tabs button>span{color:#d2b0698c;grid-row:1/span 2;align-self:center;font:26px/1 Noto Serif SC,serif}.platform-capability-tabs button strong{letter-spacing:.08em;grid-column:2;font:500 18px/1.3 Noto Serif SC,serif}.platform-capability-tabs button i{opacity:0;background:#0c352d;border-bottom:1px solid #caa760;border-right:1px solid #caa760;width:13px;height:13px;transition:opacity .2s;position:absolute;bottom:-7px;right:24px;transform:rotate(45deg)}.platform-capability-tabs button.is-active i{opacity:1}.platform-capability-panel{background:#041d1880;border:1px solid #d3b16940;grid-template-columns:250px 1fr 1fr;min-height:360px;margin-top:36px;animation:.42s cubic-bezier(.2,.68,.2,1) both platformPanelIn;display:grid;overflow:hidden}.platform-capability-visual{background:#d3b1690b;border-right:1px solid #d3b1692e;place-items:center;display:grid;position:relative;overflow:hidden}.platform-capability-ring{border:1px solid #d2b06938;border-radius:50%;width:180px;height:180px;position:absolute;box-shadow:0 0 0 28px #d2b06906,0 0 0 56px #d2b06905}.platform-capability-visual img{z-index:1;object-fit:contain;filter:sepia()saturate(.7)brightness(1.55);opacity:.68;width:90px;height:90px;position:relative}.platform-capability-visual>div{color:#dec28459;align-items:flex-end;gap:8px;display:flex;position:absolute;bottom:17px;right:18px}.platform-capability-visual small{letter-spacing:.14em;font:8px/1 Georgia,serif}.platform-capability-visual strong{font:32px/1 Noto Serif SC,serif}.platform-capability-copy{border-right:1px solid #d3b1692e;flex-direction:column;justify-content:center;padding:52px;display:flex}.platform-capability-copy>p{color:#ae8d4e;letter-spacing:.18em;margin:0 0 20px;font:10px/1.4 Georgia,serif}.platform-capability-copy h3{color:#f0dba9;letter-spacing:.04em;max-width:560px;margin:0 0 22px;font:400 clamp(28px,2.6vw,38px)/1.5 Noto Serif SC,serif}.platform-capability-copy>span{color:#e9e0c79e;max-width:600px;font-size:14px;line-height:2}.platform-capability-points{flex-direction:column;justify-content:center;padding:38px 40px;display:flex}.platform-capability-points p{color:#ede1c4b8;border-bottom:1px solid #d3b16926;grid-template-columns:34px 1fr;align-items:center;margin:0;padding:15px 0;font-size:13px;display:grid}.platform-capability-points p b{color:#aa8950;font:9px/1 Georgia,serif}.platform-capability-points>div{border-left:2px solid #a64435;gap:7px;margin-top:30px;padding-left:16px;display:grid}.platform-capability-points>div small{color:#e3d6b76b;letter-spacing:.16em;font-size:10px}.platform-capability-points>div strong{color:#d9bd7d;font:500 17px/1.5 Noto Serif SC,serif}.platform-workflow{background:#f2ebdc url(/images/optimized/v1/topics-archive-paper-ink-v1-1600.webp) top/cover;position:relative;overflow:hidden}.platform-workflow .platform-section-inner{padding:92px 0 100px}.platform-workflow-heading{grid-template-columns:1fr 1fr;align-items:end;gap:80px;display:grid}.platform-workflow-heading h2{color:var(--platform-ink);letter-spacing:.08em;margin:0;font:400 clamp(38px,3.8vw,58px)/1.35 Noto Serif SC,serif}.platform-workflow-heading>p{color:#686960;max-width:650px;margin:0 0 7px;font-size:15px;line-height:2}.platform-workflow-track{grid-template-columns:repeat(6,1fr);margin-top:55px;display:grid}.platform-workflow-track article{min-width:0;padding-right:20px}.platform-workflow-track article>div{align-items:center;display:flex}.platform-workflow-track article span{color:#95503f;background:#f2ebdc;border:1px solid #a98343;border-radius:50%;flex:0 0 42px;place-items:center;height:42px;font:11px/1 Georgia,serif;display:grid}.platform-workflow-track article i{background:linear-gradient(90deg,#a98343,#a9834333);flex:1;height:1px}.platform-workflow-track h3{color:var(--platform-ink);margin:20px 0 8px;font:500 18px/1.4 Noto Serif SC,serif}.platform-workflow-track p{color:#777064;margin:0;font-size:12px;line-height:1.7}.platform-standard{background:#f8f3e8c2;border:1px solid #9e743387;grid-template-columns:.8fr 1.2fr;margin-top:66px;display:grid;box-shadow:inset 0 0 0 5px #fffdf77a,0 18px 48px #42331c14}.platform-standard-title{border-right:1px solid #9e743340;align-items:center;gap:28px;padding:42px 48px;display:flex}.platform-standard-title>span{height:76px;color:var(--platform-red);border:1px solid #a443338c;flex:0 0 64px;place-items:center;font:28px/1 Noto Serif SC,serif;display:grid}.platform-standard-title small{color:#9f7c42;letter-spacing:.2em;font:9px/1.4 Georgia,serif}.platform-standard-title h3{color:var(--platform-ink);margin:10px 0 0;font:400 27px/1.55 Noto Serif SC,serif}.platform-standard-list{grid-template-columns:repeat(2,1fr);display:grid}.platform-standard-list p{border-bottom:1px solid #9e743333;border-right:1px solid #9e743333;gap:10px;margin:0;padding:31px 34px;display:grid}.platform-standard-list p:nth-child(2n){border-right:0}.platform-standard-list p:nth-last-child(-n+2){border-bottom:0}.platform-standard-list b{color:#815f2f;font:500 15px/1.4 Noto Serif SC,serif}.platform-standard-list span{color:#747064;font-size:12px;line-height:1.7}.platform-entry{color:#ead9b2;background:#082a24}.platform-entry .platform-section-inner{padding:80px 0 70px}.platform-entry .platform-section-label{color:#c4a35f}.platform-entry-heading{border-bottom:1px solid #ccac665c;justify-content:space-between;align-items:end;padding-bottom:25px;display:flex}.platform-entry-heading h2{color:#efdba9;letter-spacing:.08em;margin:0;font:400 clamp(36px,3.6vw,54px)/1.3 Noto Serif SC,serif}.platform-entry-grid{grid-template-columns:repeat(3,1fr);display:grid}.platform-entry-grid>a{min-height:220px;color:inherit;border-right:1px solid #ccac6633;grid-template-columns:44px 1fr;gap:20px;padding:35px 32px 30px;text-decoration:none;transition:background .25s;display:grid;position:relative}.platform-entry-grid>a:first-child{border-left:1px solid #ccac6633}.platform-entry-grid>a:hover{background:#d7b56c12}.platform-entry-grid>a>span{color:#a98648;font:11px/1 Georgia,serif}.platform-entry-grid h3{color:#ead6a5;letter-spacing:.08em;margin:-7px 0 13px;font:500 22px/1.4 Noto Serif SC,serif}.platform-entry-grid p{color:#eae0c691;margin:0;font-size:13px;line-height:1.9}.platform-entry-grid strong{color:#caab68;letter-spacing:.06em;font:500 12px/1 Noto Serif SC,serif;position:absolute;bottom:27px;right:32px}.platform-entry-grid strong i{margin-left:8px;font-style:normal;transition:transform .22s;display:inline-block}.platform-entry-grid>a:hover strong i{transform:translate(5px)}.platform-closing{color:#d3b36d73;letter-spacing:.22em;text-align:center;margin:26px 0 0;font:12px/1.6 Noto Serif SC,serif}.platform-hero-ledger>p{letter-spacing:.04em;font-size:22px;line-height:1.8}@keyframes platformPanelIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width:1180px){.platform-section-inner{width:min(1100px,100% - 48px)}.platform-hero-inner{grid-template-columns:1fr .7fr;gap:55px;width:min(1100px,100% - 64px);padding-right:30px}.platform-hero h1{font-size:clamp(52px,6vw,72px)}.platform-hero-ledger>p{font-size:20px}.platform-origin-heading{gap:60px}.platform-capability-panel{grid-template-columns:190px 1fr 1fr}.platform-capability-copy{padding:38px}.platform-capability-points{padding-inline:30px}}@media (max-width:900px){.platform-hero{min-height:auto}.platform-hero-inner{grid-template-columns:1fr;min-height:auto;padding:72px 0 150px}.platform-hero-ledger{max-width:620px}.platform-hero-side{display:none}.platform-origin-heading,.platform-method-heading,.platform-workflow-heading{grid-template-columns:1fr;gap:24px}.platform-origin-grid{grid-template-columns:1fr}.platform-origin-grid article{border-top:1px solid #9269313b;border-left:0;min-height:auto}.platform-origin-grid article:first-child{border-top:0}.platform-capability-tabs{grid-template-columns:repeat(2,1fr)}.platform-capability-tabs button:nth-child(3){border-top:1px solid #cfac632e;border-left:0}.platform-capability-tabs button:nth-child(4){border-top:1px solid #cfac632e}.platform-capability-panel{grid-template-columns:150px 1fr}.platform-capability-points{border-top:1px solid #d3b1692e;grid-column:1/-1}.platform-workflow-track{grid-template-columns:repeat(3,1fr);gap:35px 0}.platform-standard{grid-template-columns:1fr}.platform-standard-title{border-bottom:1px solid #9e743340;border-right:0}.platform-entry-grid{grid-template-columns:1fr}.platform-entry-grid>a,.platform-entry-grid>a:first-child{border-bottom:1px solid #ccac6633;border-left:1px solid #ccac6633;min-height:180px}}@media (max-width:620px){.platform-section-inner{width:calc(100% - 36px)}.platform-hero-inner{width:calc(100% - 36px);padding:56px 0 120px}.platform-kicker:before{width:30px}.platform-hero h1{letter-spacing:.04em;font-size:clamp(42px,13vw,58px);line-height:1.3}.platform-hero-lead{letter-spacing:.1em;font-size:19px}.platform-hero-note{font-size:14px}.platform-hero-actions{flex-direction:column;align-items:stretch}.platform-hero-actions a{width:100%}.platform-hero-ledger{padding:28px 24px 24px}.platform-hero-ledger>p{font-size:18px}.platform-hero-principles{grid-template-columns:1fr}.platform-hero-principles span,.platform-hero-principles span:first-child{border-bottom:1px solid #dbbc7b29;border-left:0;grid-template-columns:32px 1fr;padding:13px 0}.platform-origins .platform-section-inner,.platform-method .platform-section-inner,.platform-workflow .platform-section-inner,.platform-entry .platform-section-inner{padding-top:64px;padding-bottom:70px}.platform-origin-grid article{padding-inline:12px}.platform-capability-tabs button{gap:6px 10px;min-height:96px;padding:17px 14px}.platform-capability-tabs button>span{font-size:20px}.platform-capability-tabs button strong{font-size:15px}.platform-capability-panel{grid-template-columns:1fr}.platform-capability-visual{border-bottom:1px solid #d3b1692e;border-right:0;min-height:190px}.platform-capability-copy{border-bottom:1px solid #d3b1692e;border-right:0;padding:32px 24px}.platform-capability-copy h3{font-size:27px}.platform-capability-points{border-top:0;grid-column:auto;padding:28px 24px}.platform-workflow-track{grid-template-columns:repeat(2,1fr);row-gap:34px}.platform-workflow-track article:nth-child(2n) i{display:none}.platform-standard-title{align-items:flex-start;padding:32px 24px}.platform-standard-title>span{flex-basis:48px;height:58px}.platform-standard-title h3{font-size:22px}.platform-standard-list{grid-template-columns:1fr}.platform-standard-list p,.platform-standard-list p:nth-child(2n),.platform-standard-list p:nth-last-child(-n+2){border-bottom:1px solid #9e743333;border-right:0;padding:23px 24px}.platform-standard-list p:last-child{border-bottom:0}.platform-entry-heading{flex-direction:column;align-items:flex-start}.platform-entry-grid>a{padding-inline:22px}.platform-entry-grid strong{right:22px}}@media (prefers-reduced-motion:reduce){.platform-capability-panel{animation:none}.platform-page *,.platform-page :before,.platform-page :after{scroll-behavior:auto!important;transition-duration:.01ms!important}}