:root{--paper:#f7f7f2;--ink:#19201e;--muted:#737970;--line:#d9ddd3;--blue:#304ce5;--pale:#eaeefb;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif;--sans:"PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:5px}button{color:inherit}svg{display:block}::selection{background:#c6d1ff}.wrap{max-width:1320px;margin:auto;padding:0 48px}.skip{position:fixed;top:-80px;left:15px;z-index:50;background:var(--blue);color:white;padding:12px}.skip:focus{top:12px}.sample{border-bottom:1px solid var(--line);background:#eef0e8;font-size:11px;letter-spacing:.04em}.sample .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px}.sample a{text-decoration:underline;text-underline-offset:3px}.nav{height:92px;display:flex;align-items:center;justify-content:space-between;gap:32px}.logo{display:flex;align-items:center;gap:12px;font-size:28px;font-weight:750;letter-spacing:-1.4px}.logo-mark{width:32px;height:32px;position:relative;background:var(--blue)}.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--paper)}.logo-mark:before{width:7px;height:24px;left:8px;top:4px;transform:skew(-21deg)}.logo-mark:after{height:7px;width:20px;left:6px;top:14px;transform:skew(-21deg)}.logo span:last-child{font-size:10px;font-weight:500;letter-spacing:0;align-self:flex-end;margin-bottom:6px;border-left:1px solid var(--line);padding-left:12px;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:32px;font-size:13px}.nav-links a:hover{color:var(--blue)}.nav .company{border:1px solid var(--line);padding:9px 15px}.arrow{font-family:var(--mono);margin-left:7px}.hero{position:relative;border-top:1px solid var(--line);padding:69px 0 66px;min-height:594px}.hero-grid{display:grid;grid-template-columns:1.24fr 1fr;gap:15px}.eyebrow{font:11px var(--mono);color:var(--blue);letter-spacing:1.9px;display:flex;align-items:center;gap:11px}.dot{width:6px;height:6px;background:var(--blue);border-radius:100%}.hero h1{font-weight:500;font-size:clamp(45px,4.5vw,67px);line-height:1.23;letter-spacing:-3px;margin:28px 0 24px}.hero h1 em{font-family:var(--serif);font-style:normal;color:var(--blue);font-weight:600}.hero-copy{color:#616960;max-width:475px;font-size:15px;line-height:1.95;margin:0 0 28px}.hero-note{font-size:11px;color:var(--muted);margin-top:13px}.hero-note span{margin:0 8px;color:#b6bdb2}.search{display:flex;width:100%;max-width:564px;border:1px solid #aeb6a5;background:#fff;height:60px;box-shadow:0 5px 0 #e9ece2;align-items:center;padding:0 8px 0 18px;gap:10px}.search svg{width:19px;flex-shrink:0;color:#747c70}.search input{width:100%;min-width:0;border:0;background:none;outline:none;font-size:13px}.search input:focus-visible{outline:0}.search:focus-within{outline:2px solid var(--blue);outline-offset:2px}.search button{background:var(--blue);color:white;border:0;min-width:62px;height:42px;font-size:13px}.visual{position:relative;height:398px;margin-top:8px;overflow:hidden;background-image:radial-gradient(#c6ccc0 .8px,transparent .8px);background-size:18px 18px;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 95%,transparent)}.visual svg{width:100%;height:100%}.visual .ring{fill:none;stroke:#cbd0c5;stroke-width:1}.visual .link{fill:none;stroke:#a4b1ec;stroke-width:1}.visual .flow{fill:none;stroke:var(--blue);stroke-width:2;stroke-dasharray:3 12;animation:flow 9s linear infinite}.visual text{font-family:var(--sans);fill:var(--ink)}.visual .tiny{font-family:var(--mono);font-size:9px;letter-spacing:1px;fill:var(--muted)}.visual .orbital{transform-origin:250px 200px;animation:spin 80s linear infinite}.visual-caption{position:absolute;bottom:16px;left:23px;right:16px;display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:1px;color:var(--muted)}@keyframes flow{to{stroke-dashoffset:-150}}@keyframes spin{to{transform:rotate(360deg)}}.hero-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:37px;font-size:11px;color:var(--muted)}.hero-bottom b{font-weight:400;color:var(--ink)}.hero-bottom p{margin:0}.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding:0}.ticker a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:20px 22px;border-right:1px solid var(--line);transition:background .2s}.ticker a:last-child{border:0}.ticker a:hover{background:#ecefe4}.ticker small{font:10px var(--mono);color:var(--blue);margin-right:12px}.ticker strong{font-size:13px;font-weight:500}.ticker .arrow{color:var(--muted)}.section{padding:83px 0 0;scroll-margin-top:24px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:28px}.section h2{font-size:31px;letter-spacing:-1px;font-weight:550;margin:8px 0 0}.kicker{font:10px var(--mono);color:var(--muted);letter-spacing:1.5px}.subline{font-size:12px;color:var(--muted);margin:0;max-width:400px}.catalog-control{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);margin-bottom:25px;padding-bottom:18px}.filters{display:flex;gap:6px;flex-wrap:wrap}.filter{border:0;background:transparent;font-size:12px;padding:8px 16px}.filter[aria-pressed=true]{background:var(--ink);color:white}.filter:hover{background:#e5e9de;color:var(--ink)}.count{font:11px var(--mono);color:var(--muted);max-width:300px;overflow-wrap:anywhere;text-align:right}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool{background:#fff;border:1px solid var(--line);padding:24px;position:relative;display:flex;flex-direction:column;min-height:286px;transition:transform .25s,border-color .25s,box-shadow .25s}.tool:hover{transform:translateY(-4px);border-color:#b1bcec;box-shadow:0 8px 22px #19201e08}.tool-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.tool-symbol{width:38px;height:38px;display:grid;place-items:center;font:22px var(--mono);letter-spacing:-2px;background:#e9eefb;color:#304ce5}.tool-symbol.dark{background:#242b29;color:#f6f7ef}.tool-symbol.sand{background:#efeae1;color:#765f47}.tool-type{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:3px 7px}.tool h3{font-size:21px;font-weight:600;letter-spacing:-.6px;margin:17px 0 7px}.tool p{color:#687163;font-size:12px;line-height:1.9;margin:0 0 15px}.tags{font-size:10px;color:#7e8678;display:flex;gap:12px;margin-top:auto;padding-top:4px}.tool-bottom{border-top:1px solid #edf0e7;margin-top:19px;padding-top:13px;display:flex;justify-content:space-between;align-items:center}.detail{padding:0;border:0;background:none;font-size:11px;color:var(--blue)}.check{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--muted);cursor:pointer}.check input{accent-color:var(--blue);width:13px;height:13px;margin:0}.empty{border:1px dashed var(--line);padding:40px;text-align:center;grid-column:1/-1}.empty h3{font-size:18px}.empty p{font-size:13px;color:var(--muted)}.text-button{border:0;border-bottom:1px solid currentColor;background:none;padding:3px 0;color:var(--blue);font-size:12px}.catalog-foot{display:flex;justify-content:space-between;gap:20px;margin-top:18px;font-size:10px;color:var(--muted)}.catalog-foot p{margin:0}.guides-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:38px}.guide-feature{background:#e5ebfa;min-height:367px;padding:31px;display:flex;flex-direction:column;position:relative;overflow:hidden}.guide-feature .kicker{color:#475ea9}.guide-feature h3{font-family:var(--serif);font-size:33px;line-height:1.5;max-width:330px;font-weight:500;margin:23px 0 18px;position:relative;z-index:1}.guide-feature p{font-size:12px;line-height:1.9;color:#59698c;max-width:280px;position:relative;z-index:1}.guide-feature a{margin-top:auto;align-self:flex-start;font-size:12px;color:#2942a8;border-bottom:1px solid #91a1d0;padding-bottom:4px;z-index:1}.feature-shape{position:absolute;width:210px;height:210px;border:1px solid #aebfe9;right:-65px;bottom:-5px;transform:rotate(28deg)}.feature-shape:before,.feature-shape:after{content:"";position:absolute;border:1px solid #aebfe9;inset:22px}.feature-shape:after{inset:44px}.guide-list{border-top:1px solid var(--line)}details.guide{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer}summary::-webkit-details-marker{display:none}.guide summary{display:grid;grid-template-columns:30px 1fr 22px;gap:13px;padding:25px 0;align-items:start}.guide-num{font:11px var(--mono);color:var(--blue);padding-top:5px}.guide h3{font-size:17px;font-weight:500;margin:0 0 7px}.guide-summary{font-size:11px;color:var(--muted);display:block}.plus{font:20px var(--mono);font-weight:300;color:#737c70;line-height:1.3}.guide[open] .plus{transform:rotate(45deg)}.guide-content{padding:0 28px 24px 43px;font-size:12px;line-height:1.95;color:#66705f}.guide-content ol{padding-left:19px;margin:0 0 14px}.guide-content a{color:var(--blue);border-bottom:1px solid #b0baf3}.decision{margin-top:77px;padding:30px 34px;border:1px solid var(--line);display:grid;grid-template-columns:1.15fr 1fr;gap:45px;align-items:center;background:linear-gradient(90deg,#eef1e9,transparent)}.decision h2{font-size:24px;margin:0 0 11px;letter-spacing:-.7px}.decision p{font-size:12px;line-height:1.9;color:#6a7264;margin:0}.steps{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px}.step{display:flex;gap:10px;align-items:center}.step span{font:10px var(--mono);width:26px;height:26px;border:1px solid #b8c2ae;display:grid;place-items:center;border-radius:50%;color:var(--blue)}.step-arrow{color:#aab4a1}.principles{display:grid;grid-template-columns:1fr 2fr;gap:70px;margin-bottom:80px}.principles h2{font-size:25px;margin:8px 0 15px}.principles .intro{font-size:12px;color:var(--muted);max-width:290px}.principle-items{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;border-top:1px solid var(--line);padding-top:24px}.principle-items .num{font:10px var(--mono);color:var(--blue)}.principle-items h3{font-size:14px;margin:18px 0 10px;font-weight:550}.principle-items p{font-size:11px;color:var(--muted);line-height:1.9;margin:0}.disclosure{grid-column:1/-1;border-top:1px solid var(--line);padding-top:17px;margin-top:3px;font-size:10px;color:var(--muted);line-height:1.9}.disclosure strong{color:#414b3a;font-weight:500}.cta{background:var(--blue);color:#fff;padding:47px 50px;display:flex;align-items:center;justify-content:space-between;gap:25px;position:relative;overflow:hidden}.cta h2{font-family:var(--serif);font-weight:500;font-size:33px;margin:0 0 12px;line-height:1.4}.cta p{margin:0;color:#cad2ff;font-size:12px}.cta a{background:#fff;color:var(--blue);padding:14px 23px;white-space:nowrap;font-size:12px}.cta a:hover{background:#e8edff}.footer{padding:36px 0 32px;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);gap:20px}.footer strong{font-size:17px;color:var(--ink);letter-spacing:-.7px;margin-right:12px}.footer-links{display:flex;gap:25px}.compare-bar{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:8;background:var(--ink);color:#fff;padding:12px 14px 12px 20px;display:flex;align-items:center;gap:18px;box-shadow:0 8px 30px #19201e30;max-width:calc(100vw - 30px)}.compare-bar[hidden]{display:none}.compare-bar span{font-size:12px;white-space:nowrap}.compare-bar button{padding:9px 14px;border:0;background:#dce5ff;color:#2339b4;white-space:nowrap;font-size:11px}.compare-bar .clear{background:none;color:#c9cec4;padding:5px;font-size:11px}dialog{padding:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:0 12px 90px #17222130;max-height:88vh;width:min(760px,calc(100vw - 32px));overflow:auto}dialog::backdrop{background:#16221b70;backdrop-filter:blur(5px)}.dialog-head{padding:24px 28px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;align-items:start}.dialog-head h2{margin:0;font-size:23px;letter-spacing:-.6px}.dialog-head p{font-size:11px;color:var(--muted);margin:4px 0 0}.close{background:none;border:1px solid var(--line);width:32px;height:32px;font-size:20px;line-height:1;flex-shrink:0}.dialog-body{padding:26px 28px;font-size:13px;line-height:1.9}.dialog-body h3{font-size:14px;margin:24px 0 8px}.dialog-body h3:first-child{margin-top:0}.dialog-body p{color:#65715b}.dialog-body ul{padding-left:18px}.dialog-link{display:inline-block;margin-top:18px;padding:11px 16px;background:var(--blue);color:#fff;font-size:12px}.comparison-wrap{overflow-x:auto}.comparison{border-collapse:collapse;width:100%;min-width:490px;font-size:11px}.comparison th,.comparison td{text-align:left;padding:13px 12px;border:1px solid var(--line);vertical-align:top;min-width:130px}.comparison th{background:#e9eee1;font-weight:550}.comparison th:first-child,.comparison td:first-child{min-width:86px;max-width:100px}.comparison caption{text-align:left;font-size:12px;margin:0 0 15px;color:var(--muted)}.nojs{background:#fff6d5;padding:16px;font-size:12px}body:has(dialog[open]){overflow:hidden}[hidden]{display:none!important}
@media(min-width:1500px){.hero h1{font-size:67px}}@media(max-width:1000px){.wrap{padding:0 28px}.hero{padding-top:45px}.hero h1{font-size:51px}.visual{height:375px}.nav-links{gap:19px}.logo span:last-child{display:none}.tools{gap:12px}.tool{padding:20px}.principles{gap:35px}.guides-grid{gap:24px}.steps{flex-direction:column;align-items:flex-start}.step-arrow{display:none}.decision{gap:30px}.ticker a{padding:18px 12px}.ticker small{margin-right:5px}}@media(max-width:700px){html{scroll-padding-top:24px}.wrap{padding:0 22px}.sample .wrap{font-size:9px;gap:8px}.sample .wrap>span{max-width:250px}.sample a{white-space:nowrap}.nav{height:77px;gap:15px}.logo{font-size:26px;gap:9px}.logo-mark{width:28px;height:28px}.logo-mark:before{height:21px;top:3px}.logo-mark:after{top:12px}.nav-links{gap:17px;font-size:11px}.nav-links a:nth-child(2),.nav-links a:nth-child(3){display:none}.nav .company{padding:7px 9px}.hero{padding-top:39px;padding-bottom:24px;min-height:auto}.hero-grid{grid-template-columns:1fr;gap:12px}.hero h1{font-size:40px;letter-spacing:-1.8px;margin:24px 0 22px}.eyebrow{font-size:9px;letter-spacing:1.4px}.hero-copy{font-size:13px;line-height:1.95;margin-bottom:23px}.search{height:56px;padding-left:12px;gap:7px}.search input{font-size:11px}.search button{min-width:51px;height:38px;font-size:11px}.hero-note{font-size:10px}.visual{height:290px;margin-top:5px;margin-left:-8px;margin-right:-8px}.hero-bottom{padding-top:0;font-size:9px;gap:12px}.hero-bottom p:last-child{text-align:right}.ticker{grid-template-columns:repeat(2,1fr)}.ticker a:nth-child(2){border-right:0}.ticker a:nth-child(-n+2){border-bottom:1px solid var(--line)}.ticker a{padding:17px 8px}.ticker strong{font-size:11px}.ticker small{font-size:9px;margin-right:7px}.section{padding-top:55px}.section-head{align-items:start;gap:12px;margin-bottom:22px}.section h2{font-size:27px}.subline{font-size:10px;max-width:138px;padding-top:21px}.kicker{font-size:9px}.catalog-control{align-items:flex-start;gap:9px;flex-direction:column}.filter{padding:7px 11px;font-size:11px}.count{font-size:10px;max-width:100%;text-align:left}.tools{grid-template-columns:1fr;gap:12px}.tool{padding:22px;min-height:260px}.tool h3{font-size:22px}.tool p{font-size:12px;max-width:310px}.tool-type{font-size:10px}.tool-bottom{margin-top:17px}.detail,.check{font-size:11px}.catalog-foot{font-size:9px;gap:10px}.catalog-foot p:last-child{max-width:135px;text-align:right}.guides-grid{grid-template-columns:1fr;gap:25px}.guide-feature{min-height:340px;padding:26px}.guide-feature h3{font-size:31px}.guide summary{padding:22px 0;grid-template-columns:23px 1fr 17px;gap:10px}.guide h3{font-size:16px}.guide-content{padding-left:33px}.decision{margin-top:48px;padding:24px;grid-template-columns:1fr;gap:23px}.decision h2{font-size:23px}.decision p{font-size:11px}.steps{flex-direction:row;gap:10px;align-items:center}.step{flex-direction:column;gap:7px;font-size:10px;align-items:flex-start}.principles{grid-template-columns:1fr;gap:24px;margin-bottom:50px}.principles h2{font-size:27px}.principles .intro{max-width:none}.principle-items{gap:15px}.principle-items h3{font-size:12px}.principle-items p{font-size:10px}.disclosure{font-size:10px;margin-top:0}.cta{padding:29px 25px;display:block}.cta h2{font-size:27px}.cta p{font-size:11px;line-height:1.9}.cta a{display:inline-block;margin-top:23px;padding:12px 17px;font-size:11px}.footer{padding:28px 0 35px;display:block;font-size:9px}.footer-links{margin-top:15px;gap:19px}.footer strong{font-size:16px}.compare-bar{bottom:14px;gap:11px;padding:10px 11px 10px 14px}.compare-bar span{font-size:11px}.compare-bar button{padding:9px;font-size:10px}.compare-bar .clear{font-size:10px}.dialog-head{padding:20px}.dialog-body{padding:20px}.dialog-head h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* ===== 内容页扩展样式（正式版新增，demo 之外） ===== */
/* 面包屑 */
.crumbs{font-size:11px;color:var(--muted);letter-spacing:.04em;padding:18px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:var(--line)}

/* 内容页主体 */
.page{padding:24px 0 80px}
.page-head{max-width:760px;padding:36px 0 8px;border-bottom:1px solid var(--line);margin-bottom:40px}
.page-head .kicker{margin-bottom:14px}
.page-head h1{font-size:clamp(34px,5vw,52px);letter-spacing:-1.6px;line-height:1.12;margin:0 0 18px;font-weight:750}
.page-head h1 em{font-family:var(--serif);font-style:normal;color:var(--blue)}
.page-head .lede{font-size:16px;line-height:1.8;color:var(--ink);max-width:680px;margin:0 0 20px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:11px;color:var(--muted);letter-spacing:.03em;padding-bottom:28px}
.meta-row b{color:var(--ink);font-weight:600}

/* 正文排版（禁 JS 可读） */
.prose{max-width:720px}
.prose h2{font-size:26px;letter-spacing:-.8px;margin:52px 0 16px;font-weight:700;padding-top:8px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:34px 0 12px;font-weight:650}
.prose p{margin:0 0 16px;line-height:1.85}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin-bottom:9px;line-height:1.8}
.prose li::marker{color:var(--blue)}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose strong{font-weight:650}
.prose blockquote{margin:24px 0;padding:16px 22px;border-left:3px solid var(--blue);background:var(--pale);font-size:14px;line-height:1.8}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--pale);padding:2px 6px;border-radius:3px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:13px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top;line-height:1.65}
.prose th{background:#eef0e8;font-weight:650}

/* 页内目录 */
.toc{border:1px solid var(--line);background:#fff;padding:20px 24px;margin:0 0 40px;font-size:13px}
.toc strong{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);margin-bottom:10px;font-weight:600}
.toc ol{margin:0;padding-left:20px}
.toc li{margin-bottom:5px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--blue);text-decoration:underline}

/* 实体字段表（事实区） */
.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0}
.fact{background:var(--paper);padding:16px 20px}
.fact dt{font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:6px;font-weight:600}
.fact dd{margin:0;font-size:14px;line-height:1.7}
.fact.full{grid-column:1/-1}
@media(max-width:700px){.fact-grid{grid-template-columns:1fr}}

/* 来源列表 */
.sources{border-top:1px solid var(--line);margin-top:48px;padding-top:26px}
.sources h2{font-size:13px;letter-spacing:.1em;color:var(--muted);margin:0 0 14px;font-weight:600}
.sources ul{list-style:none;padding:0;margin:0}
.sources li{margin-bottom:10px;font-size:13px;line-height:1.7}
.sources a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.sources .src-note{color:var(--muted);font-size:12px}

/* 状态标记 */
.tag-status{display:inline-block;font-size:10px;letter-spacing:.1em;padding:3px 9px;border:1px solid var(--line);color:var(--muted);margin-right:6px}
.tag-status.verified{border-color:var(--blue);color:var(--blue)}

/* 相关链接卡片 */
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:28px 0}
.related a{border:1px solid var(--line);background:#fff;padding:18px 20px;display:block;transition:border-color .15s}
.related a:hover{border-color:var(--blue)}
.related a .r-kicker{font-size:10px;letter-spacing:.12em;color:var(--muted);display:block;margin-bottom:7px}
.related a .r-title{font-size:15px;font-weight:650;line-height:1.4;display:block}
.related a .r-arrow{color:var(--blue);font-size:12px}

/* 商业关系说明条 */
.commercial-note{border:1px solid var(--line);border-left:3px solid var(--blue);background:#fff;padding:16px 22px;font-size:13px;line-height:1.75;margin:28px 0;color:var(--ink)}
.commercial-note strong{font-weight:650}

/* 服务承接条（页内） */
.handoff{display:flex;justify-content:space-between;align-items:center;gap:24px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:26px 30px;margin:44px 0 0;flex-wrap:wrap}
.handoff p{margin:0;font-size:15px;line-height:1.6;max-width:520px}
.handoff a{white-space:nowrap;border:1px solid var(--paper);padding:12px 22px;font-size:13px;transition:background .15s,color .15s}
.handoff a:hover{background:var(--paper);color:var(--ink)}

/* 搜索页 */
.search-page-form{display:flex;gap:0;border:1px solid var(--ink);background:#fff;height:60px;margin:8px 0 12px;max-width:720px}
.search-page-form input{flex:1;border:0;background:transparent;padding:0 20px;font-size:15px;outline:none}
.search-page-form button{border:0;background:var(--blue);color:#fff;padding:0 28px;font-size:14px;cursor:pointer}
.search-hint{font-size:12px;color:var(--muted);margin-bottom:36px}
.search-results{list-style:none;padding:0;margin:0;max-width:820px}
.search-results li{border-bottom:1px solid var(--line);padding:20px 0}
.search-results .sr-type{font-size:10px;letter-spacing:.12em;color:var(--muted);display:block;margin-bottom:6px}
.search-results a{font-size:18px;font-weight:650;color:var(--ink);text-decoration:none}
.search-results a:hover{color:var(--blue)}
.search-results p{margin:8px 0 0;font-size:13px;color:var(--muted);line-height:1.7}
.search-results mark{background:#c6d1ff;padding:0 1px}

/* 比较页提示 */
.compare-note{font-size:12px;color:var(--muted);margin:14px 0 22px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);margin:20px 0;-webkit-overflow-scrolling:touch}
.table-scroll table{min-width:640px;width:100%;border-collapse:collapse;font-size:13px;background:#fff}
.table-scroll th,.table-scroll td{border:1px solid var(--line);padding:12px 15px;text-align:left;vertical-align:top;line-height:1.7;min-width:170px}
.table-scroll th{background:#eef0e8;font-weight:650}
.table-scroll th:first-child{position:sticky;left:0;background:#eef0e8;min-width:120px;z-index:1}
.table-scroll caption{text-align:left;font-size:12px;color:var(--muted);padding:10px 13px;caption-side:top;background:#fff;border:1px solid var(--line);border-bottom:0}

/* 卡片网格（目录/专题共用） */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin:28px 0}
.card-grid .tool{margin:0}

@media(max-width:700px){
  .page-head{padding:24px 0 6px;margin-bottom:28px}
  .page-head h1{letter-spacing:-1.2px}
  .prose h2{font-size:22px;margin:40px 0 12px}
  .handoff{padding:22px}
  .handoff a{width:100%;text-align:center}
  .card-grid{grid-template-columns:1fr}
}

/* ============================================================
   首页视觉与交互升级（2026-09-07）
   全部样式以 body.page-home 作用域隔离，不影响内页既有组件。
   ============================================================ */

/* ---- 滚动渐显：仅 JS 激活 .js-reveal 后才隐藏，无 JS / 减少动效时始终可见 ---- */
.js-reveal .page-home [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,.8,.3,1),transform .7s cubic-bezier(.22,.8,.3,1)}
.js-reveal .page-home [data-reveal].revealed{opacity:1;transform:none}

/* ---- 首屏：编辑排版与搜索焦点 ---- */
.page-home .hero h1{letter-spacing:-3.4px}
.page-home .section h2 em{font-family:var(--serif);font-style:normal;color:var(--blue);font-weight:600}
.page-home .search{transition:border-color .2s,box-shadow .2s}
.page-home .search:focus-within{border-color:var(--blue);box-shadow:0 5px 0 #dbe3fb}
.page-home .hero-note{display:flex;align-items:center;gap:10px}
.page-home .hero-note:before{content:"";width:30px;height:1px;background:#c3c9bc}

/* ---- 首屏图版：制图框、虚线轨道与慢速公转 ---- */
.page-home .visual .plate-frame{fill:none;stroke:#c9cfc2;stroke-width:1}
.page-home .visual .ring.dash{stroke-dasharray:2 7;stroke:#b6bdd0}
.page-home .visual .orbital{transform-origin:260px 210px;animation:orbit 46s linear infinite}
@keyframes orbit{to{transform:rotate(360deg)}}
.page-home .visual .flow{stroke-dasharray:2 10}

/* ---- 场景快捷条：hover 蓝调 ---- */
.page-home .ticker a{transition:background .2s,color .2s}
.page-home .ticker a:hover{background:#eef1fb}
.page-home .ticker a:hover strong{color:var(--blue)}
.page-home .ticker strong{transition:color .2s}

/* ---- 工具卡：顶部蓝线亮起 ---- */
.page-home .tool:before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.22,.8,.3,1)}
.page-home .tool:hover:before{transform:scaleX(1)}

/* ---- 方法条（承接原 decision 区）：判断三步 ---- */
.page-home .method-line{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
.page-home .ml-label{font:10px var(--mono);letter-spacing:1.6px;color:var(--muted);margin-right:auto}
.page-home .ml-step{font-size:13px;display:flex;align-items:center;gap:9px}
.page-home .ml-step i{font:10px var(--mono);font-style:normal;color:var(--blue);letter-spacing:1px}
.page-home .ml-arrow{color:#a8afa2}

/* ---- 编辑准则：序号蓝化 ---- */
.page-home .principle-items .num{color:var(--blue)}

/* ---- CTA 带：细斜纹纹理 ---- */
.page-home .cta:after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(-45deg,#ffffff10 0 1px,transparent 1px 14px)}
.page-home .cta>*{position:relative;z-index:1}

@media(max-width:700px){
.page-home .method-line{gap:12px}
.page-home .ml-label{margin-right:0;width:100%}
}

/* 2026-09-07 / editorial foundation for the reading and directory pages. */
:root{--paper:#f4f3e9;--ink:#202a25;--muted:#626960;--line:#cbd0c3;--blue:#214fb7;--pale:#e9ece0;--serif:"Iowan Old Style","Baskerville","Songti SC",serif}
body:not(.page-home){font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif}body:not(.page-home) .nav{border-bottom:1px solid var(--ink)}body:not(.page-home) .logo-mark{display:none}body:not(.page-home) .logo{font-family:var(--serif);font-size:34px;letter-spacing:-1.5px}body:not(.page-home) .page-head{max-width:100%;padding:48px 0 24px;border-color:var(--ink)}body:not(.page-home) .page-head h1{font-weight:500;line-height:1.3}body:not(.page-home) .page-head .lede{font-size:15px;max-width:740px}body:not(.page-home) .prose{max-width:780px}body:not(.page-home) .prose h2{font-weight:500}body:not(.page-home) .prose p,body:not(.page-home) .prose li{line-height:1.95}body:not(.page-home) .tool{background:transparent;border:0;border-top:1px solid var(--ink);box-shadow:none}body:not(.page-home) .tool:hover{background:#e9eddc;box-shadow:none}body:not(.page-home) .tool-symbol{background:#e1e8cd;color:var(--blue)}body:not(.page-home) .related a{background:transparent;border-left:0;border-right:0}body:not(.page-home) .handoff{background:var(--ink);color:#d2fa63}body:not(.page-home) .sources{padding-top:30px}body:not(.page-home) .toc{background:#e8eddf;border:0;border-left:2px solid var(--blue)}
@media(max-width:700px){body:not(.page-home) .nav{height:auto;min-height:80px;flex-wrap:wrap;padding:20px 0;gap:18px}body:not(.page-home) .nav-links{width:100%;gap:18px;flex-wrap:wrap}body:not(.page-home) .nav-links a:nth-child(2),body:not(.page-home) .nav-links a:nth-child(3){display:block}body:not(.page-home) .nav .company{padding:0;border:0}body:not(.page-home) .page-head{padding-top:30px}body:not(.page-home) .page-head h1{font-size:35px}body:not(.page-home) .prose p,body:not(.page-home) .prose li{font-size:14px}}

/* Public ICP filing, supplied by the site owner. */
.icp-footer{text-align:center;padding:18px 20px 20px;font-size:12px;line-height:1.8;color:inherit;opacity:.85}.icp-footer a{color:inherit;text-decoration:none}.icp-footer a:hover{text-decoration:underline;text-underline-offset:4px}.icp-footer a:focus-visible{outline:2px solid currentColor;outline-offset:5px}

/* Fixed vector geometry: never use system emoji fonts for arrows. */
.ui-arrow{display:inline-block;width:1.05em;height:1.05em;flex-shrink:0;vertical-align:-.14em;overflow:visible;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.ui-arrow path{fill:none;stroke:currentColor;stroke-width:1.5}.footer-contact{text-align:center;padding:20px 20px 0;font-size:12px;overflow-wrap:anywhere}.footer-contact a{color:inherit;text-decoration:none}.footer-contact a:hover{text-decoration:underline;text-underline-offset:4px}.foot-links .ui-arrow,.footer-links .ui-arrow,.navlinks .ui-arrow,.nav-links .ui-arrow{width:13px;height:13px}.hero-discover .ui-arrow{width:19px;height:19px}.explore-stamp strong .ui-arrow{width:38px;height:38px}.discovery-symbol .ui-arrow{width:42px;height:42px}.hero-signature .ui-arrow{width:14px;height:14px}