/* Free Kanpian editorial design system: responsive, accessible, no external dependencies */
:root{--ink:#132035;--night:#101c2f;--muted:#5e6c7d;--paper:#f8f7f3;--mist:#f0f2f1;--line:#dce1e1;--accent:#c95c3e;--accent-dark:#ae4025;--light:#fffdf9;--yellow:#f2c879;--sky:#dce8ec;--radius:18px;--max:1200px;--shadow:0 22px 55px rgba(19,32,53,.08)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #dd8057;outline-offset:4px}::selection{background:#f3ccad;color:#131c2c}.wrap{width:min(calc(100% - 64px),var(--max));margin-inline:auto}.skip-link{position:absolute;top:-60px;left:16px;padding:12px;background:#fff;z-index:100}.skip-link:focus{top:12px}.site-header{position:relative;z-index:20;background:var(--light);border-bottom:1px solid var(--line)}.header-inner{max-width:1320px;padding:0 36px;margin:auto;min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{display:grid;place-items:center;background:var(--accent);color:white;border-radius:11px;transform:rotate(-8deg);width:46px;height:46px;font-size:18px;padding-left:2px}.brand strong{display:block;font-size:22px;letter-spacing:-.05em;line-height:1.2}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.09em;margin-top:4px}.site-nav{display:flex;gap:clamp(14px,2vw,30px);align-items:center}.site-nav a{font-size:13px;font-weight:700;padding:12px 0;color:#455368;position:relative}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent-dark)}.site-nav a[aria-current=page]::after{content:"";position:absolute;left:0;bottom:4px;width:100%;height:2px;background:var(--accent)}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:10px 13px;color:var(--ink);cursor:pointer}.home-hero{max-width:1400px;min-height:632px;margin:auto;display:grid;grid-template-columns:56% 44%;overflow:hidden}.hero-text{padding:clamp(55px,8vw,116px) 7% 70px clamp(32px,7.5vw,110px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-dark);margin:0 0 17px}.hero-label{color:var(--muted);display:flex;align-items:center;gap:9px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.22;letter-spacing:-.045em}h1{font-size:clamp(40px,5.1vw,76px);font-weight:850}.home-hero h1{max-width:720px;margin:13px 0 24px}.home-hero h1 em{display:block;color:var(--accent);font-style:normal}.hero-lead{font-size:17px;color:#536172;max-width:560px;line-height:2}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 22px;border-radius:8px;font-size:14px;font-weight:750;min-height:52px;transition:transform .2s,background .2s,border .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#fff}.button-primary:hover{background:var(--accent-dark)}.button-secondary{border:1px solid #d9dedc;background:#fff8;color:var(--ink)}.button-secondary:hover{background:white}.button-outline{border:1px solid #afb9bd;background:transparent}.hero-note{display:flex;align-items:center;gap:12px;color:#77818d;font-size:12px;margin-top:36px}.note-line{height:1px;width:27px;background:var(--accent)}.hero-visual{position:relative;background:var(--night);min-height:560px;isolation:isolate}.hero-visual img{height:100%;width:100%;object-fit:cover;opacity:.83}.hero-visual::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(4,15,28,.77));pointer-events:none}.visual-caption{position:absolute;z-index:1;bottom:48px;left:45px;color:white}.visual-caption span{display:block;letter-spacing:.23em;font-size:12px;color:var(--yellow);margin-bottom:10px}.visual-caption strong{font-weight:500;font-size:23px;letter-spacing:.08em}.section{width:min(calc(100% - 64px),var(--max));margin:0 auto;padding:94px 0}.section-top{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:38px}.section h2{font-size:clamp(29px,3vw,43px);margin:0}.section-aside{width:320px;color:var(--muted);font-size:14px;margin:0}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-tile{position:relative;overflow:hidden;min-height:340px;padding:32px 30px;background:var(--sky);display:flex;flex-direction:column;align-items:flex-start;border:1px solid transparent;transition:transform .22s,box-shadow .22s}.topic-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-tile.topic-watch{background:#e9e7df}.topic-tile.topic-safe{background:#e6ede5}.topic-count{font-size:10px;letter-spacing:.15em;color:#59717b;font-weight:800}.topic-tile h3{font-size:29px;margin:54px 0 7px}.topic-tile strong{font-size:15px;font-weight:700}.topic-tile p{font-size:13px;line-height:1.9;color:#566576;margin:12px 0 32px;max-width:310px}.topic-arrow{position:absolute;right:23px;bottom:18px;font-size:29px;color:var(--accent-dark)}.text-link,.arrow-link{font-weight:800;font-size:13px;color:var(--accent-dark);white-space:nowrap}.text-link:hover,.arrow-link:hover{text-decoration:underline}.featured-section{padding-top:25px}.feature-layout{display:grid;grid-template-columns:54% 46%;min-height:390px;background:var(--night);color:white;overflow:hidden}.feature-image{position:relative;min-height:360px;overflow:hidden}.feature-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.75)}.feature-image-label{position:absolute;bottom:25px;left:28px;color:#fff;font-size:12px;letter-spacing:.24em}.feature-copy{padding:clamp(30px,4.5vw,64px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.feature-copy .eyebrow{color:var(--yellow)}.feature-copy h3{font-size:clamp(28px,3vw,42px);line-height:1.4}.feature-copy p{color:#d3dbe2;font-size:14px;line-height:2;max-width:360px}.feature-copy .button{color:white;margin-top:15px;border-color:#6c7d8c}.article-rows{display:grid;grid-template-columns:1fr;gap:0}.resource-card{padding:28px 6px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:74px 1fr;gap:22px}.card-index{font:500 37px/1.2 Georgia,serif;color:#a7b1b4}.resource-card .eyebrow{margin:0 0 7px}.resource-card h3{font-size:clamp(20px,2vw,25px);margin:0 0 9px}.resource-card h3 a:hover{color:var(--accent-dark)}.resource-card p:not(.eyebrow){color:var(--muted);font-size:14px;margin-bottom:14px}.card-meta{display:flex;gap:24px;justify-content:space-between;align-items:center;font-size:12px;color:#7d8792}.decision-section{width:100%;max-width:none;padding:76px max(32px,calc((100vw - var(--max))/2));background:#152337;color:white}.decision-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.decision-section .eyebrow{color:var(--yellow)}.decision-section h2{max-width:680px;font-size:clamp(29px,3.3vw,48px);line-height:1.35}.decision-content p{color:#d2dce3;font-size:15px;line-height:2}.decision-content a{display:inline-block;margin-top:12px;color:#f3bd8f;border-bottom:1px solid #7e8997;padding-bottom:5px;font-size:14px;font-weight:700}.faq-preview{padding-bottom:110px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);background:transparent}.faq-list summary{cursor:pointer;list-style:none;position:relative;font-size:17px;font-weight:750;padding:24px 46px 24px 0}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:9px;top:18px;font-size:28px;font-weight:300;color:var(--accent-dark)}.faq-list details[open] summary::after{content:"−"}.faq-list details p{margin:0;padding:0 50px 25px 0;color:var(--muted);max-width:830px}.page-intro{padding-top:50px;padding-bottom:57px}.crumbs{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 52px;color:#7c8792;font-size:12px}.crumbs a:hover{color:var(--accent-dark)}.page-intro h1{font-size:clamp(40px,4.4vw,62px);margin:0 0 23px;max-width:1000px}.page-intro>p:last-child{max-width:780px;color:var(--muted);font-size:17px;line-height:1.95;margin:0}.library-layout{display:grid;grid-template-columns:230px 1fr;gap:80px;padding-bottom:110px}.library-aside{align-self:start;position:sticky;top:24px;padding:28px 26px;background:#ecf0ed}.library-aside h2{font-size:17px;margin-bottom:20px}.library-aside nav{display:flex;flex-direction:column;border-top:1px solid #d6dbda}.library-aside nav a{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #d6dbda;font-size:13px;font-weight:700}.library-aside nav a:hover{color:var(--accent-dark)}.library-aside>p{color:var(--muted);font-size:12px;line-height:1.9;margin:22px 0 0}.library-group{padding-bottom:55px;scroll-margin-top:20px}.group-heading{margin-bottom:12px}.group-heading h2{font-size:30px;margin:0 0 10px}.group-heading>p{color:var(--muted);font-size:14px}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:90px;padding-bottom:110px}.guide-spotlight{background:#e9eee8;padding:35px 38px;margin-bottom:60px;border-left:3px solid var(--accent)}.guide-spotlight h2{font-size:26px;margin-bottom:20px}.guide-spotlight p{line-height:2;color:#536471;margin:0}.subheading{font-size:24px;margin:0 0 12px}.side-note{background:#e9e7df;padding:29px}.side-note h2{font-size:23px}.side-note a{display:flex;justify-content:space-between;gap:10px;padding:13px 0;border-top:1px solid #d0d2cb;font-size:14px;font-weight:700}.side-note a:hover{color:var(--accent-dark)}.side-banner{margin-top:18px;display:flex;align-items:center;justify-content:space-between;background:var(--night);color:white;font-size:14px;font-weight:700;padding:25px}.article-shell{padding:48px 0 110px}.article-header{max-width:920px;padding:0 0 50px}.article-header h1{font-size:clamp(39px,4.3vw,64px);line-height:1.32}.article-standfirst{font-size:21px;color:#5d6c7a;line-height:1.9;max-width:850px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 270px;gap:100px;align-items:start}.article-body{font-size:17px;line-height:2.15;color:#3d4d60}.article-intro{font-size:20px;font-weight:600;line-height:1.95;color:var(--ink);border-top:3px solid var(--ink);padding-top:35px;margin-bottom:50px}.article-body section{margin-bottom:52px;scroll-margin-top:36px}.article-body h2{font-size:27px;color:var(--ink);line-height:1.45;margin-bottom:20px}.article-body p{margin:0}.article-end{border-top:1px solid var(--line);padding-top:35px;color:#78848f;font-size:13px}.article-end span{font-size:11px;letter-spacing:.2em}.article-end p{margin-top:13px}.sticky-aside{position:sticky;top:30px;padding:27px;background:#eff1ed}.sticky-aside h2{font-size:18px}.sticky-aside ol{margin:20px 0 0;padding-left:20px}.sticky-aside li{margin:0 0 18px;font-size:13px;color:#5b6878}.sticky-aside a:hover,.sticky-aside a.current{color:var(--accent-dark)}.aside-divider{border-top:1px solid #d3d8d3;margin:25px 0}.sticky-aside>a{font-size:13px;font-weight:700}.related-section{border-top:1px solid var(--line);margin-top:65px;padding-top:50px}.related-section h2{font-size:30px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:25px}.related-grid>a{display:flex;flex-direction:column;gap:17px;align-items:flex-start;background:#e9ede9;padding:28px}.related-grid small{color:var(--accent-dark);font-size:11px;font-weight:800}.related-grid strong{font-size:20px;line-height:1.4}.related-grid span{align-self:end}.related-grid>a:hover{background:#e4e1d6}.faq-page{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:90px;padding-bottom:110px}.faq-aside{padding:28px;background:#e9ede9;align-self:start}.faq-aside h2{font-size:22px}.faq-aside p{color:var(--muted);font-size:14px;line-height:2}.faq-aside a{font-size:13px;font-weight:800;color:var(--accent-dark)}.prose-page{max-width:900px;padding-bottom:115px}.prose-page section{margin-bottom:52px}.prose-page h2{font-size:28px}.prose-page p{font-size:16px;color:#526276;line-height:2.1}.prose-page a{text-decoration:underline;color:var(--accent-dark)}.notfound{padding:130px 0 160px;text-align:center}.notfound h1{font-size:clamp(38px,5vw,70px)}.notfound p:not(.eyebrow){color:var(--muted);margin-bottom:32px}.notfound .button{margin:6px}.site-footer{background:#101c2f;color:white}.footer-inner{max-width:var(--max);margin:auto;padding:65px 0;display:flex;justify-content:space-between;gap:70px}.footer-inner>div{max-width:370px}.footer-brand{font-size:23px;font-weight:800}.footer-inner p{color:#abb7c4;font-size:13px;line-height:2;margin-top:13px}.footer-inner nav{display:flex;flex-wrap:wrap;align-items:center;gap:24px}.footer-inner nav a{font-size:13px;color:#dbe3e9}.footer-inner nav a:hover{color:var(--yellow)}.footer-bottom{max-width:var(--max);margin:auto;padding:21px 0 28px;border-top:1px solid #39465a;display:flex;justify-content:space-between;gap:15px;color:#9ba8b6;font-size:12px}
/* Tablet composition: move complementary material beneath core reading */
@media(max-width:1100px){.header-inner{padding:0 25px}.site-nav{gap:14px}.site-nav a{font-size:12px}.home-hero{grid-template-columns:55% 45%}.hero-text{padding-left:6%;padding-right:5%}.hero-visual{min-height:550px}.library-layout{gap:40px}.guide-layout,.faq-page{gap:42px}.article-layout{gap:50px;grid-template-columns:minmax(0,1fr) 230px}.decision-section{padding-inline:40px}.footer-inner,.footer-bottom{margin-inline:32px}}
@media(max-width:900px){.header-inner{min-height:76px;flex-wrap:wrap}.brand strong{font-size:19px}.brand-mark{width:40px;height:40px}.menu-toggle{display:inline-flex;gap:9px;align-items:center}.site-nav{display:none;width:100%;padding:8px 0 22px;flex-wrap:wrap;gap:7px 23px}.site-nav.is-open{display:flex}.site-nav a{font-size:14px}.home-hero{grid-template-columns:1fr}.hero-text{padding:80px 6% 65px}.hero-visual{height:420px;min-height:0}.hero-visual img{object-position:center 45%}.visual-caption{bottom:32px}.topic-grid{grid-template-columns:repeat(2,1fr)}.topic-tile:last-child{grid-column:span 2;min-height:260px}.topic-tile:last-child h3{margin-top:23px}.feature-layout{grid-template-columns:1fr}.feature-image{height:350px}.feature-copy{padding:42px}.guide-layout{grid-template-columns:1fr}.guide-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}.side-banner{margin:0;align-self:stretch}.article-layout{grid-template-columns:1fr}.article-aside{grid-row:1}.sticky-aside{position:static;padding:25px}.sticky-aside ol{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}.article-header{padding-bottom:25px}.decision-inner{gap:30px}.footer-inner{flex-wrap:wrap}}
@media(max-width:650px){.wrap,.section{width:min(calc(100% - 36px),var(--max))}.header-inner{padding-inline:18px}.brand small{font-size:10px}.site-nav{flex-direction:column;align-items:stretch;gap:0}.site-nav a{border-bottom:1px solid var(--line);padding:12px}.home-hero h1{font-size:44px}.hero-text{padding:65px 23px 58px}.hero-lead{font-size:15px}.hero-note{line-height:1.6}.hero-visual{height:310px}.visual-caption{left:22px;bottom:22px}.visual-caption strong{font-size:18px}.section{padding-block:65px}.section-top{display:block;margin-bottom:28px}.section-top h2{margin-bottom:15px}.section-aside{width:auto;max-width:460px}.topic-grid{grid-template-columns:1fr}.topic-tile,.topic-tile:last-child{grid-column:auto;min-height:270px;padding:26px}.topic-tile h3,.topic-tile:last-child h3{margin-top:30px}.topic-tile p{max-width:none}.feature-image{height:250px}.feature-copy{padding:32px 23px}.feature-copy h3{font-size:28px}.resource-card{grid-template-columns:45px 1fr;gap:12px;padding:24px 0}.card-index{font-size:27px}.resource-card h3{font-size:20px}.card-meta{flex-wrap:wrap;gap:8px}.decision-section{padding:60px 20px}.decision-inner{grid-template-columns:1fr;gap:20px}.page-intro{padding-block:30px 50px}.page-intro h1{font-size:40px}.page-intro>p:last-child{font-size:15px}.crumbs{margin-bottom:36px}.library-layout{display:block}.library-aside{position:static;margin-bottom:54px}.library-group{padding-bottom:42px}.guide-spotlight{padding:26px}.guide-side{grid-template-columns:1fr}.side-banner{min-height:95px}.article-shell{padding-top:24px}.article-header h1{font-size:38px}.article-standfirst{font-size:17px}.article-intro{font-size:18px}.article-body{font-size:16px}.article-body h2{font-size:24px}.sticky-aside ol{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.faq-page{grid-template-columns:1fr}.faq-list summary{font-size:15px;padding-right:40px}.faq-list details p{font-size:14px}.footer-inner{padding:50px 0 25px;margin-inline:20px;gap:24px}.footer-inner nav{gap:14px 22px}.footer-bottom{margin-inline:20px;display:block}.footer-bottom span{display:block;margin:5px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}