/* Corporate technology interface. No remote fonts or visual dependencies. */
:root{--ink:#242826;--navy:#283b33;--green:#283b33;--muted:#69716c;--line:#dde1dc;--gold:#876a37;--paper:#f3f4f1;--surface:#fff;--surface-2:#f7f8f5;--accent:#ccb17c;--shadow:0 6px 24px #14291c04;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-synthesis:none}
body{background:var(--paper);-webkit-font-smoothing:antialiased}button{min-height:44px;border-radius:7px;background:var(--surface);color:var(--ink)}button:hover{background:var(--surface-2);border-color:var(--gold)}a,button,input{touch-action:manipulation}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.site-header{background:var(--surface);border:0;border-bottom:1px solid var(--line)}.header-inner{min-height:108px;padding:22px 28px;gap:36px}.brand{gap:14px}.brand .brand-mark{width:58px;height:60px;object-fit:contain;opacity:1;filter:none;mix-blend-mode:normal}.brand-name strong{font-size:1.5rem;letter-spacing:.14em;font-weight:700}.brand-name small{font:500 .61rem/1.5 system-ui,sans-serif;letter-spacing:.16em;color:var(--gold);margin-top:5px}.site-name{font-size:.96rem;padding-left:30px;border-color:var(--line)}.site-name span{font-size:.76rem;color:var(--muted);margin-top:8px}.header-right button{font-size:.8rem;border:1px solid var(--line);border-radius:6px;background:transparent;padding:10px 14px}.header-right button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}.layout>aside{background:var(--surface);border-bottom:1px solid var(--line)}#navigation{gap:24px;scrollbar-width:none}#navigation::-webkit-scrollbar{display:none}#navigation a{font-size:.85rem;color:var(--muted);padding:18px 0 16px;border-bottom-width:2px}#navigation a svg{width:17px;height:17px}#navigation a[aria-current=page]{border-color:var(--gold);color:var(--ink)}.workspace{padding-top:32px}.eyebrow,.section-label{color:var(--gold);font:600 .7rem/1.6 system-ui,sans-serif;letter-spacing:.14em}
.search-wrap{display:grid;grid-template-columns:1fr auto;gap:10px 24px;margin-bottom:26px}.search-caption{display:flex;align-items:center;gap:9px;grid-column:1/-1;font-size:.72rem;letter-spacing:.12em;color:var(--muted)}.search-caption:before{content:'';width:5px;height:5px;background:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 10%,transparent)}.search-wrap form{min-width:0;padding:6px 6px 6px 18px;gap:12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);box-shadow:var(--shadow);transition:border-color .18s,box-shadow .18s}.search-wrap form:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 9%,transparent)}.search-wrap svg{width:21px;height:21px;color:var(--gold)}.search-wrap input{font-size:.95rem;min-height:44px;color:var(--ink);outline:none;padding:10px 0}.search-wrap input::placeholder{color:var(--muted);opacity:.85}.search-wrap form>button{display:flex;align-items:center;justify-content:center;gap:16px;min-width:106px;min-height:44px;padding:10px 17px;border-radius:5px;background:#293b33;border-color:#293b33;color:#fff;font-size:.88rem;font-weight:600}.search-wrap form>button:hover{background:#3a5447}.search-wrap button svg{width:18px;height:18px;color:inherit}.search-shortcuts{display:flex;align-items:center;gap:8px;font-size:.74rem;color:var(--muted)}.search-shortcuts a{display:block;padding:8px 10px;min-height:38px;border-bottom:1px solid var(--line)}.search-shortcuts a:hover{color:var(--gold);border-color:var(--gold)}
.home-intro{position:relative;isolation:isolate;overflow:hidden;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);align-items:end;padding:46px 44px 32px;gap:32px;margin-bottom:22px;border-radius:13px;border:1px solid #35443b;background:#16211c;color:#f4f5ef;box-shadow:0 15px 40px #0f201c0a}.home-intro:before{content:'';position:absolute;inset:0;z-index:-2;background:radial-gradient(ellipse at 80% 20%,#5e745238,transparent 55%),linear-gradient(90deg,#ffffff04 1px,transparent 1px),linear-gradient(#ffffff04 1px,transparent 1px);background-size:auto,40px 40px,40px 40px;mask-image:linear-gradient(100deg,transparent,#000)}.home-intro:after{content:'';position:absolute;left:44px;top:0;width:90px;height:2px;background:linear-gradient(90deg,#e1c892,#8b7136);box-shadow:0 1px 15px #d9b87144}.hero-copy{position:relative;z-index:1}.home-intro .eyebrow{display:flex;align-items:center;gap:10px;color:#d5bd88;font-size:.68rem;letter-spacing:.16em}.hero-copy>.eyebrow:before{content:'';width:22px;height:1px;background:#c5a66b}.home-intro h1{font-size:3.2rem;line-height:1.3;letter-spacing:.035em;font-weight:650;margin:20px 0 18px;color:#f5f6ef}.home-intro h1 span{color:#dcc18c}.home-intro .hero-copy>p{max-width:390px;color:#b8c8bc;font-size:.94rem;line-height:1.85;margin:0}.hero-caption{display:flex;align-items:center;gap:10px;margin-top:26px;font-size:.7rem;color:#a6b4a8}.hero-caption i{display:block;width:5px;height:5px;background:#d5bd88;border-radius:50%}.hero-visual{position:absolute;right:3%;top:-35px;width:420px;height:420px;z-index:-1;color:#cfb273;opacity:.48;pointer-events:none}.hero-visual svg{display:block;width:100%;height:100%}.start-card{position:relative;z-index:1;display:block;background:#ffffff09;backdrop-filter:blur(12px);border:1px solid #c3d6c02c;border-radius:9px;padding:24px;color:#f5f6ef;box-shadow:none;transition:background .18s,border-color .18s}.start-card:hover{background:#ffffff10;border-color:#cbb27780}.start-label{color:#d8bd87;font-size:.75rem;letter-spacing:.06em}.start-card h2{font-size:1.3rem;line-height:1.6;margin:14px 0 10px}.start-card p{color:#b9c5bd;font-size:.88rem;margin-bottom:20px}.start-link{color:#ead3a3;border:0;border-top:1px solid #ffffff15;padding-top:14px;font-size:.8rem}.start-link>span{font-size:1.3rem}
.download-entry-grid{gap:16px;margin-bottom:16px}.download-entry{background:var(--surface);padding:22px 24px;border:1px solid var(--line);border-radius:9px;gap:16px;transition:border-color .18s,transform .18s}.download-entry>span{flex:1;min-width:0}.download-entry strong{font-size:1.08rem;font-weight:650}.download-entry small{font-size:.8rem;line-height:1.75;margin-top:6px;color:var(--muted)}.download-entry b{font-size:1.35rem;color:var(--gold);font-weight:400}.download-entry .entry-symbol{display:grid;place-items:center;width:42px;height:46px;border:1px solid var(--line);border-radius:7px;background:var(--surface-2);flex-shrink:0;color:var(--gold)}.entry-symbol svg{width:22px;height:22px}.download-entry:hover{border-color:var(--gold);transform:translateY(-2px)}.faq-home-entry{border-color:var(--line);border-radius:9px;background:var(--surface-2);padding:18px 24px;margin-bottom:28px}.faq-home-entry>span{display:flex;align-items:center;gap:18px}.faq-home-entry strong{font-size:.95rem;font-weight:600}.faq-home-entry small{font-size:.8rem;color:var(--muted);opacity:1;margin:0}.faq-home-entry b{font-size:1.2rem;font-weight:400;color:var(--gold)}.faq-home-entry:hover{border-color:var(--gold)}.entry-grid{gap:16px}.entry-card{background:var(--surface);border-color:var(--line)!important;border-radius:9px;padding:24px;transition:border-color .18s,transform .18s}.entry-card:hover{background:var(--surface);border-color:var(--gold)!important;transform:translateY(-2px)}.entry-top{margin-bottom:26px}.entry-top>span{font:500 .7rem/1.4 ui-monospace,monospace;letter-spacing:.12em;color:var(--muted)}.entry-top svg{width:25px;height:25px;color:var(--gold)}.entry-card h2{font-size:1.1rem}.entry-card p{font-size:.83rem;line-height:1.8;margin-bottom:20px;color:var(--muted)}.entry-card small{display:block;border-top:1px solid var(--line);padding-top:12px;font-size:.72rem;color:var(--muted)}
.section-title{margin:42px 0 18px}.section-title h2{font-size:1.35rem;font-weight:650;letter-spacing:-.02em;margin-top:6px}.section-title>a{font-size:.8rem;color:var(--muted);min-height:40px;border:0;padding:10px 0;white-space:nowrap}.section-title>a:after{content:' ↗';color:var(--gold);margin-left:5px}.cards{gap:16px}.card{border-color:var(--line);border-radius:9px;background:var(--surface);padding:26px;transition:border-color .18s,transform .18s}.card:hover{border-color:var(--gold);background:var(--surface);transform:translateY(-2px)}.card h3{font-size:1.1rem;line-height:1.7}.card p{font-size:.9rem;line-height:1.9;color:var(--muted)}.tag{background:var(--surface-2);border:1px solid var(--line);border-radius:4px;color:var(--gold);padding:4px 8px;font-size:.72rem;line-height:1.6;margin-bottom:16px}.meta{font-size:.75rem;line-height:1.8;color:var(--muted)}.article-row{background:var(--surface);border-color:var(--line);border-radius:9px;padding:24px 28px}.article-row:hover{background:var(--surface);border-color:var(--gold)}.article-row>span{font:.85rem ui-monospace,monospace;color:var(--gold)}.article-row h3{font-size:1.07rem}.article-row p{font-size:.9rem;color:var(--muted)}.article-row small{font-size:.75rem;color:var(--muted)}.row-date,.article-date{font-size:.8rem;line-height:1.8;color:var(--muted)}.notice{background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;padding:24px 26px}.notice h3{font-size:1rem}.notice p{font-size:.85rem}.notice-label,.notice a{font-size:.8rem}.notice-label{color:var(--gold)}
.reading{background:var(--surface);border-color:var(--line);border-radius:11px;padding:44px 64px}.reading h1{font-size:2rem;letter-spacing:-.02em}.reading section p{color:var(--ink)}.reading-header,.reading .source{border-color:var(--line)}.reading .summary{color:var(--muted)}.reading .source{font-size:.8rem}.article-trail{font-size:.8rem}.back{color:var(--gold);text-decoration:none}.back:before{content:'← ';margin-right:4px}.attachment-file{background:var(--surface-2);border-radius:8px}.inline-image img{border-radius:8px}.inline-image figcaption{font-size:.8rem}.download-card,.guide-platform,.empty{background:var(--surface);border-color:var(--line);border-radius:9px}.download-card,.guide-platform{padding:26px}.download-button{border-color:var(--line);border-radius:6px;color:var(--ink);font-size:.9rem}.download-button.is-primary{background:#293b33;border-color:#293b33;color:white}.download-button:hover{border-color:var(--gold)}.download-address{font-size:.8rem}.download-help{background:var(--surface-2);border-color:var(--line);border-radius:9px}.guide-cover{background:var(--surface-2);border-radius:6px}.guide-empty{border-radius:8px}.guide-count{font-size:.8rem}.faq-tools input{min-height:50px;border-color:var(--line);border-radius:7px;background:var(--surface-2);color:var(--ink)}.faq-groups button,.course-links a{background:var(--surface-2);border-radius:6px;min-height:44px;font-size:.85rem}.faq-groups button[aria-pressed=true]{background:var(--navy);color:var(--surface);border-color:var(--navy)}.faq-question{border-color:var(--line);scroll-margin-top:110px}.faq-question summary{font-size:1rem;font-weight:600;padding:20px 0;line-height:1.7}.faq-question summary>span{color:var(--gold);font:.8rem ui-monospace,monospace}.faq-question summary:after{color:var(--gold);font-weight:400}.faq-question summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.faq-tools>p{font-size:.85rem}.faq-permalink{color:var(--gold)}footer{border-color:var(--line);font-size:.76rem;margin-top:48px}footer strong{font-size:.86rem}footer a{border:0;padding:10px 0}#category-sheet{background:var(--surface);border:1px solid var(--line);border-radius:14px;max-height:85dvh}#category-sheet::backdrop{background:#101813b3;backdrop-filter:blur(5px)}.sheet-heading button{background:var(--surface-2);color:var(--ink);border-radius:7px}#sheet-links a{border-radius:7px;font-size:.9rem}#sheet-links svg,#sheet-links b{color:var(--gold)}.skip{background:var(--surface)}
@media all{:root{--ink:#e9eee8;--navy:#d0b47b;--green:#d0b47b;--muted:#a6b4a9;--line:#344138;--gold:#d0b47b;--paper:#141a16;--surface:#1b231e;--surface-2:#222c25;--shadow:none}.site-header,.layout>aside{background:#171f19}.home-intro{background:#112219;border-color:#38503d}.search-wrap form>button,.download-button.is-primary{background:#d0b47b;border-color:#d0b47b;color:#17231b}.search-wrap form>button:hover{background:#e2c792}.faq-groups button[aria-pressed=true]{color:#16231b}.header-right button{background:transparent}.mobile-dock{background:var(--surface);border-color:var(--line)}.mobile-dock a,.mobile-dock button{color:var(--muted)}.mobile-dock a[aria-current=page],.mobile-dock button:hover{color:var(--gold);background:var(--surface-2)}}
@media(max-width:1100px){#navigation{gap:22px}#navigation a svg{display:none}.search-wrap{grid-template-columns:1fr}.home-intro{padding:36px;gap:24px}.home-intro h1{font-size:2.8rem}.entry-card{padding:20px}.site-name span{display:none}}
@media(max-width:760px){.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line)}.header-inner{padding:15px 20px;min-height:86px;flex-wrap:nowrap;gap:12px}.brand{gap:10px}.brand .brand-mark{width:46px;height:48px}.brand-name strong{font-size:1.22rem;letter-spacing:.1em}.brand-name small{font-size:.53rem;letter-spacing:.1em;margin-top:4px}.site-name,.layout>aside{display:none}.header-right button{font-size:.72rem;padding:10px;min-height:42px}.workspace{padding:22px 18px 0}.search-wrap{grid-template-columns:1fr;gap:9px;margin-bottom:22px}.search-caption{display:flex;font-size:.68rem;letter-spacing:.08em}.search-wrap form{padding:5px 5px 5px 13px;gap:9px;min-height:58px;border-radius:8px}.search-wrap form>svg{width:18px;height:18px}.search-wrap input{font-size:1rem;min-height:44px}.search-wrap form>button{min-width:76px;gap:8px;font-size:.85rem;padding:11px 13px}.search-wrap button svg{width:14px;height:14px}.search-shortcuts{font-size:.72rem;gap:6px}.search-shortcuts a{padding:9px 10px;min-height:38px}.home-intro{padding:28px 24px 20px;grid-template-columns:1fr;gap:26px;margin-bottom:16px;border-radius:11px}.home-intro:after{left:24px;width:64px}.home-intro .eyebrow{font-size:.61rem;letter-spacing:.1em}.home-intro h1{font-size:2.45rem;line-height:1.35;letter-spacing:.035em;margin:18px 0 14px}.home-intro .hero-copy>p{font-size:.87rem;max-width:250px;color:#bdcdbf}.hero-caption{font-size:.62rem;margin-top:20px;gap:8px}.hero-visual{width:280px;height:280px;right:-125px;top:5px;opacity:.3}.start-card{padding:18px 20px;background:#ffffff09;border-radius:7px}.start-label{font-size:.72rem}.start-card h2{font-size:1.07rem;margin:8px 24px 10px 0}.start-card p{display:none}.start-link{font-size:.74rem;padding-top:10px}.start-link>span{position:static;font-size:1.1rem}.download-entry-grid{grid-template-columns:1fr;gap:10px;margin-bottom:10px}.download-entry{padding:18px;gap:13px;border-radius:7px;margin:0}.download-entry strong{font-size:1rem}.download-entry small{font-size:.76rem;line-height:1.7;margin-top:5px}.download-entry .entry-symbol{width:38px;height:42px}.download-entry b{font-size:1.2rem}.faq-home-entry{padding:17px 18px;margin-bottom:24px;border-radius:7px}.faq-home-entry>span{display:block}.faq-home-entry strong{font-size:.95rem}.faq-home-entry small{display:block;font-size:.76rem;margin-top:5px}.entry-grid{grid-template-columns:1fr 1fr;gap:10px}.entry-card{padding:20px 17px;border-radius:7px}.entry-top{margin-bottom:18px}.entry-top svg{width:24px;height:24px;color:var(--gold)}.entry-top>span{font-size:.65rem;color:var(--muted)}.entry-card h2{font-size:1.02rem}.entry-card p{font-size:.78rem;line-height:1.8;margin-bottom:16px;min-height:3.6em}.entry-card small{font-size:.68rem;padding-top:10px}.section-title{margin:32px 0 14px;gap:12px}.section-title h2{font-size:1.25rem}.section-label{font-size:.63rem}.section-title>a{font-size:.75rem;min-height:44px}.cards{grid-template-columns:1fr;gap:12px}.card{padding:23px;border-radius:7px}.card h3{font-size:1.08rem}.card p{font-size:.92rem;margin-bottom:18px}.tag{font-size:.72rem;margin-bottom:13px}.meta{font-size:.73rem}.article-row{padding:22px 20px;gap:16px;border-radius:7px;align-items:flex-start}.article-row>span{font-size:.75rem;margin-top:7px}.article-row>small{display:none}.article-row h3{font-size:1.05rem}.article-row p{font-size:.9rem;line-height:1.85}.notice{display:block;padding:23px 21px}.notice-label{margin-bottom:12px}.notice a{display:inline-block;margin-top:12px}.reading{padding:28px 22px;border-radius:8px}.reading h1{font-size:1.65rem;line-height:1.6}.reading .summary{font-size:.98rem}.reading section p{font-size:1.0625rem;line-height:2}.reading section h2{font-size:1.15rem}.article-trail{font-size:.78rem;margin-bottom:16px}.download-grid,.guide-platform-grid{grid-template-columns:1fr;gap:14px}.download-card,.guide-platform{padding:24px 22px;border-radius:8px}.download-help{padding:23px}.download-guide-cards{grid-template-columns:1fr}.faq-answer{padding-left:0}.faq-groups{display:grid;grid-template-columns:1fr 1fr}.faq-groups button{font-size:.8rem;text-align:left;padding:11px}.faq-question summary{font-size:1rem;gap:9px}.faq-question summary>span{flex-basis:1.65rem}.faq-collection{padding:22px 20px}.faq-tools input{font-size:1rem}.mobile-dock{display:grid;position:fixed;z-index:15;bottom:0;left:0;right:0;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px;padding:7px 10px calc(7px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 28px #0b201508}.mobile-dock a,.mobile-dock button{position:relative;min-height:54px;min-width:0;font-size:.66rem;gap:6px;padding:6px 2px;border:0;border-radius:5px;background:transparent;color:var(--muted);line-height:1.3}.mobile-dock svg{width:21px;height:21px;stroke-width:1.6}.mobile-dock a[aria-current=page],.mobile-dock button:hover{color:var(--gold);background:var(--surface-2)}.mobile-dock a[aria-current=page]:before{content:'';position:absolute;top:-8px;left:32%;right:32%;height:2px;background:var(--gold)}footer{padding:26px 0 calc(110px + env(safe-area-inset-bottom));margin-top:32px;font-size:.7rem;gap:12px}footer strong{font-size:.8rem}footer span{font-size:.69rem}#category-sheet{padding:24px;border-radius:12px}#sheet-links{gap:8px}html.large .brand-name small{display:none}html.large .brand-name strong{font-size:1.1rem}html.large .header-right button{font-size:.65rem}html.large .home-intro h1{font-size:2.1rem}}
@media(max-width:360px){.header-inner{padding:13px 14px}.brand .brand-mark{width:40px;height:42px}.brand-name strong{font-size:1.1rem}.header-right button{padding:8px}.workspace{padding-left:14px;padding-right:14px}.home-intro{padding-left:20px;padding-right:20px}.home-intro h1{font-size:2.2rem}.search-wrap form>button{min-width:65px;padding:11px 9px}.search-wrap button svg{display:none}.reading{padding:24px 18px}.entry-card{padding:18px 14px}}
@media all{:root{--paper:#16191a;--surface:#1d2221;--surface-2:#252c29;--line:#39433e}.site-header,.layout>aside{background:#1a1f1d}.home-intro{background:#14211c}}
@media(max-width:760px){.home-intro{padding-top:25px;gap:22px}.home-intro h1{font-size:2.15rem;margin:15px 0 12px}.hero-caption{display:none}.start-card h2{font-size:1.03rem}.start-card{padding:16px 18px}.home-intro .hero-copy>p{font-size:.85rem}.hero-visual{top:-4px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.download-entry:hover,.entry-card:hover,.card:hover{transform:none}}