:root{--green:#08765f;--deep:#075d4d;--ink:#203f39;--muted:#536963;--line:#dce6e1;--paper:#f5f8f5;--cream:#faf8f2;--white:#fff;--radius:4px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:#fff;font:16px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.4;letter-spacing:-.03em}h1{font-size:48px}h2{font-size:30px}h3{font-size:22px}p+p{margin-top:16px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #b05e2b;outline-offset:4px}a:hover{color:var(--green)}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-100px;z-index:100;background:white;padding:12px 20px}.skip-link:focus{top:8px}.topbar{background:#f3f6f4;color:var(--muted);font-size:13px}.topbar .wrap{height:36px;display:flex;align-items:center;justify-content:space-between}.masthead{min-height:104px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:15px;color:var(--green);font-weight:750;font-size:30px;line-height:1.45;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:48px;height:48px;color:#fff;background:var(--green);font-size:28px}.brand small{display:block;color:#637971;font-size:11px;font-weight:600;letter-spacing:.07em;line-height:1.5}.header-right{display:flex;align-items:center;gap:36px}.header-note{color:var(--muted);font-size:14px}.text-link{display:inline-flex;align-items:center;gap:10px;font-weight:600;color:var(--green);min-height:44px}.nav-band{background:var(--green);color:#fff}.nav-inner{display:flex;min-height:56px}.all-label{width:200px;flex:none;display:grid;place-items:center;background:var(--deep);font-size:15px}.nav-links{display:flex;justify-content:space-around;flex:1}.nav-links a{padding:14px 20px;min-width:100px;display:grid;place-items:center}.nav-links a:hover,.nav-links a[aria-current=page]{color:white;background:#095c4c}.mobile-menu{display:none}.hero-area{position:relative}.course-menu{position:absolute;z-index:2;top:0;left:max(24px,calc((100% - 1200px)/2));width:200px;background:var(--deep);color:#fff}.course-menu a{display:flex;justify-content:space-between;align-items:center;padding:19px 20px;min-height:70px;border-top:1px solid #ffffff24;font-size:15px}.course-menu a:hover{background:#064b3e;color:white}.course-menu span{font-size:18px;color:#a6d8c7}.hero{height:520px;position:relative;background:#eeeee3 url('/media/hero.png?v=20261015') center/cover no-repeat}.hero[data-slide="1"]{background-image:url('/media/hero2.png?v=20261015')}.hero[data-slide="2"]{background-image:url('/media/hero3.png?v=20261015')}.hero-tint{position:absolute;inset:0;background:linear-gradient(90deg,#f7f6efdf 0%,#f7f6efbd 37%,#f7f6ef00 76%)}.hero-inner{height:100%;display:flex;align-items:center;padding-left:248px;position:relative;z-index:1}.hero-copy{max-width:510px}.eyebrow{font-size:13px;font-weight:650;color:var(--green);letter-spacing:.07em}.hero h1{font-size:46px;line-height:1.3;margin:18px 0 20px;text-wrap:balance}.hero p{font-size:18px;line-height:1.85;color:#37594e}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;min-height:46px;justify-content:center;align-items:center;padding:10px 21px;border:1px solid transparent;border-radius:var(--radius);font-size:15px;font-weight:600}.button.primary{background:var(--green);color:white}.button.primary:hover{background:var(--deep)}.button.quiet{border-color:#92afa2;background:#ffffffc9;color:var(--deep)}.button.quiet:hover{background:white}.hero-controls{position:absolute;bottom:24px;left:calc(50% + 60px);display:flex;gap:6px;z-index:2}.hero-controls button{padding:12px 0;width:38px;border:0;background:transparent;position:relative}.hero-controls button:after{content:"";display:block;background:#fff;width:100%;height:4px}.hero-controls button[aria-current=true]:after{background:var(--green)}.image-credit{position:absolute;bottom:12px;right:20px;font-size:11px;color:#263f35;background:#ffffffe0;padding:2px 7px}.notice{border-bottom:1px solid var(--line);background:#fff;font-size:14px}.notice .wrap{padding-block:17px;display:flex;align-items:baseline;gap:26px}.notice b{color:var(--green);flex:none}.notice span{color:var(--muted)}.notice a{margin-left:auto;white-space:nowrap;color:var(--green)}.section{padding-block:82px}.section.alt{background:var(--paper)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding-bottom:22px;margin-bottom:32px;border-bottom:1px solid var(--line)}.section-head h2{font-size:29px;margin-top:6px}.section-head a{font-size:14px;color:var(--green);white-space:nowrap}.section-title{font-size:34px;margin:10px 0 24px;line-height:1.5}.lead{font-size:18px;line-height:1.95;color:var(--muted);max-width:760px}.directions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.direction{position:relative;border-top:2px solid var(--green);padding:28px 0 26px}.direction>span:first-child{font-size:13px;letter-spacing:.05em;color:var(--green)}.direction h3{margin:14px 0}.direction p{font-size:16px;color:var(--muted);padding-right:30px}.direction-arrow{display:block;margin-top:26px;font-size:24px;color:var(--green)}.editorial{display:grid;grid-template-columns:1.05fr 1fr;gap:80px}.editorial-photo{margin-bottom:24px}.editorial-photo img{width:100%;height:285px;object-fit:cover}.editorial-photo figcaption,.about-photo figcaption{font-size:11px;color:var(--muted);margin-top:6px}.featured-story{display:block}.featured-story h3{font-size:27px;margin:9px 0 12px}.featured-story p,.story-link p{font-size:15px;color:var(--muted);line-height:1.9}.read-more{display:inline-block;color:var(--green);font-size:14px;margin-top:14px}.story-list .section-head h2{font-size:23px}.story-link{display:block;padding:22px 0;border-bottom:1px solid var(--line)}.story-link h3{font-size:20px;margin:7px 0 8px;line-height:1.65}.story-link p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.story-link:hover h3,.featured-story:hover h3{text-decoration:underline;text-underline-offset:5px}.story-list .story-link:first-of-type{padding-top:0}.topic-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.topic-links a{font-size:13px;color:var(--deep);padding:6px 10px;border:1px solid #bfd3c9;min-height:36px}.topic-links a:hover{background:#e4efe8}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.about-grid p{color:var(--muted)}.about-grid .text-link{margin-top:16px}.about-photo img{width:100%;height:390px;object-fit:cover}.community-section{background:var(--cream)}.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:88px;align-items:center}.community-copy{max-width:660px}.community-copy h2{font-size:35px;line-height:1.5;margin:12px 0 20px}.community-copy>p{color:var(--muted)}.join-steps{padding-left:22px;margin:20px 0;color:#365448;line-height:2.2}.small{font-size:13px;color:var(--muted);line-height:1.8}.qr-card{background:#fff;border:1px solid var(--line);padding:24px;text-align:center}.qr-original{width:100%;height:auto;aspect-ratio:1;object-fit:contain;image-rendering:pixelated;background:#fff}.qr-card .qr-original{margin:12px auto;max-width:248px}.qr-card figcaption{font-size:16px;font-weight:650}.qr-card .text-link{font-size:13px;font-weight:500;justify-content:center}.footer{background:#163f34;color:#d8e8df;padding-top:48px;font-size:13px}.footer a:hover{color:white}.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:36px;padding-bottom:36px}.footer-brand{font-size:25px;font-weight:650;color:#fff}.footer-top p{margin-top:8px}.footer-top nav{display:flex;gap:28px;flex-wrap:wrap}.footer-bottom{border-top:1px solid #ffffff24;padding-block:21px;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:12px;text-align:center}.page-hero{padding-block:62px;background:#edf4ee;border-bottom:1px solid var(--line)}.page-hero h1{font-size:38px;margin:13px 0 15px;max-width:860px;line-height:1.55}.page-hero p{color:var(--muted);max-width:780px}.reading-width{max-width:820px}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:38px}.principles article{border-top:1px solid #adbbb3;padding-top:23px}.principles article>span{color:var(--green);font-size:14px}.principles h3{margin:14px 0}.principles p{font-size:15px;color:var(--muted)}.topic-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.topic-number{font-size:64px;color:#9ab5a5;line-height:1.2;font-weight:300}.topic-layout h2{font-size:34px;margin-top:14px}.action-list{list-style:none;padding:0;margin:28px 0}.action-list li{padding:15px 0;border-bottom:1px solid var(--line);color:var(--muted)}.updates-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:56px;align-items:start}.updates-categories{background:var(--paper);border-top:3px solid var(--green)}.updates-categories h2{font-size:18px;padding:22px 20px}.updates-categories a{display:block;padding:13px 20px;border-top:1px solid var(--line);font-size:15px}.updates-categories a:hover,.updates-categories a[aria-current=location]{background:#e2eee5;color:var(--deep);font-weight:600}.category-panel h2{font-size:23px}.category-panel .story-link h3{font-size:27px}.category-panel .story-link p{display:block;overflow:visible}.category-panel[hidden]{display:none}.editor-note{font-size:13px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:22px;margin-top:28px}.miniapp-card{grid-column:1/-1;border-top:1px solid #ccd7cd;padding-top:32px;display:grid;grid-template-columns:minmax(0,1fr) 260px;column-gap:60px;align-items:center}.miniapp-status{font-size:12px;color:#53694d;background:#e7ecde;padding:3px 10px;width:fit-content}.miniapp-card h3{font-size:25px;margin:10px 0}.miniapp-card>p{color:var(--muted);max-width:590px}.miniapp-wait{grid-column:2;grid-row:1/5;background:#f1f1e7;border:1px solid #dce0cf;min-height:165px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#526447;font-size:14px}.miniapp-wait>span:first-child{font-size:40px}.miniapp-card .qr-original{max-width:220px;grid-column:2;grid-row:1/6}.miniapp-card .small{margin-top:14px}.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;font-weight:600;min-height:32px;padding-right:20px}.faq p{color:var(--muted);font-size:15px;line-height:1.95;margin:15px 0 0}.article-page{max-width:840px;padding-top:30px;padding-bottom:64px}.breadcrumb{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:48px}.article-heading{padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:36px}.article-heading h1{font-size:39px;line-height:1.55;margin:15px 0 22px}.article-intro{font-size:18px;color:#4e675c;line-height:1.95}.article-meta{font-size:12px;color:var(--muted);margin-top:22px}.article-body{line-height:2;color:#40584d}.article-body h2{font-size:25px;color:var(--ink);margin:36px 0 17px}.article-body p{margin-bottom:18px}.article-body section{margin-bottom:36px}.try-today{background:var(--paper);border-left:3px solid var(--green);padding:24px 30px;margin-top:38px}.try-today h2{margin:10px 0 12px;font-size:22px}.try-today ul{padding-left:20px;margin:0}.try-today li+li{margin-top:12px}.article-share{border-top:1px solid var(--line);padding-top:32px;margin-top:34px;display:flex;gap:28px;align-items:center;justify-content:space-between}.article-share h2{font-size:22px}.article-share p{font-size:14px;color:var(--muted);margin-top:8px}.related-stories{display:grid;grid-template-columns:1fr 1fr;gap:48px}.related-stories .story-link{padding-top:0}.quick-nav{display:none}dialog{border:1px solid var(--line);padding:28px 32px 32px;max-width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;color:var(--ink);border-radius:var(--radius);box-shadow:0 3px 10px #12372b1a,0 24px 80px #12372b33}dialog::backdrop{background:#112d25a8}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.dialog-close{width:44px;height:44px;border:0;background:var(--paper);font-size:26px;color:var(--ink)}dialog h2{font-size:25px;margin:10px 0}dialog>p{font-size:14px;color:var(--muted)}dialog .qr-original{max-width:270px;margin:12px auto}dialog .qr-tip{text-align:center;font-size:12px;margin-bottom:18px}dialog .button{display:flex}.dialog-more{justify-content:center;width:100%;font-size:13px;margin-top:10px}
@media(max-width:1050px){.hero-inner{padding-left:230px}.hero h1{font-size:39px}.header-note{display:none}.editorial{gap:42px}.community-layout{gap:48px}.about-grid{gap:40px}.section-head h2{font-size:26px}.all-label,.course-menu{width:190px}.nav-links a{padding-inline:12px}}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.topbar .wrap{height:32px;font-size:11px}.topbar a{display:none}.masthead{min-height:82px}.brand{font-size:25px;gap:11px}.brand-mark{width:42px;height:42px;font-size:25px}.brand small{font-size:9px}.header-right .text-link{font-size:12px}.nav-inner{display:block;min-height:auto}.all-label,.course-menu{display:none}.mobile-menu{display:block;width:100%;border:0;padding:12px 4px;text-align:left;background:transparent;color:white;font-size:15px}.nav-links{display:none;flex-direction:column;padding-bottom:8px}.nav-links.open{display:flex}.nav-links a{min-height:46px;display:block;padding:10px 15px}.hero{height:530px;background-position:62% center}.hero-tint{background:linear-gradient(0deg,#faf9f3 0%,#faf9f3f5 26%,#faf9f300 80%)}.hero-inner{padding-left:0;align-items:flex-end;padding-bottom:61px}.hero-copy{max-width:490px}.hero h1{font-size:36px;margin:12px 0 15px}.hero p{font-size:16px}.hero-actions{margin-top:23px}.hero-controls{left:18px;bottom:16px}.image-credit{right:12px;bottom:20px;font-size:10px}.hero .eyebrow{font-size:12px}.notice .wrap{gap:13px;align-items:flex-start;padding-block:15px;font-size:12px}.notice a{display:none}.section{padding-block:54px}.section-head{gap:12px;align-items:flex-end}.section-head h2{font-size:25px}.section-head a{font-size:12px}.section-title{font-size:29px}.directions{grid-template-columns:1fr;gap:12px}.direction{padding:21px 0 19px}.direction h3{font-size:22px;margin:8px 0}.direction p{padding-right:35px;font-size:15px}.direction-arrow{position:absolute;right:0;bottom:20px;font-size:27px}.editorial,.about-grid{grid-template-columns:1fr;gap:38px}.editorial-photo img{height:auto;aspect-ratio:3/2}.about-photo img{height:auto;aspect-ratio:3/2}.story-list .section-head h2{font-size:22px}.featured-story h3{font-size:25px}.community-layout{grid-template-columns:1fr;gap:30px}.community-copy h2{font-size:29px}.community-copy>p,.lead{font-size:16px}.qr-card{max-width:310px;width:100%;margin:auto}.community-copy .small{font-size:12px}.footer-top{display:block;padding-bottom:28px}.footer-top nav{gap:20px;margin-top:28px;font-size:12px}.footer{padding-top:36px}.page-hero{padding-block:42px}.page-hero h1{font-size:30px;line-height:1.55}.page-hero p{font-size:14px}.principles{grid-template-columns:1fr;gap:30px}.principles h3{font-size:22px;margin:8px 0}.topic-layout{grid-template-columns:1fr;gap:25px}.topic-number{font-size:46px}.topic-layout h2{font-size:29px;margin-top:3px}.action-list{margin-top:14px}.action-list li{font-size:15px}.updates-layout{grid-template-columns:1fr;gap:30px}.updates-categories{display:flex;gap:0;overflow-x:auto;white-space:nowrap;background:transparent;border:0;border-bottom:1px solid var(--line)}.updates-categories h2{display:none}.updates-categories a{padding:12px 13px;flex:none;font-size:14px;border:0}.updates-main .section-head{margin-bottom:10px}.updates-main .section-head h2{font-size:25px}.updates-main .section-head .small{font-size:11px}.category-panel h2{font-size:17px}.category-panel .story-link h3{font-size:24px}.miniapp-card{display:block;padding-top:30px}.miniapp-wait{margin-top:22px;min-height:155px}.miniapp-card .qr-original{margin:22px auto 0}.faq-layout{grid-template-columns:1fr;gap:15px}.article-page{padding-top:24px}.breadcrumb{margin-bottom:30px}.article-heading h1{font-size:29px}.article-intro{font-size:16px}.article-body{font-size:16px}.article-body h2{font-size:23px}.try-today{padding:20px}.article-share{display:block}.article-share .button{margin-top:20px}.related-stories{grid-template-columns:1fr;gap:25px}.quick-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;z-index:10;bottom:0;inset-inline:0;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -1px 4px #173f3308,0 -8px 20px #173f3308}.quick-nav a{display:grid;place-items:center;min-height:58px;font-size:13px;color:#385749}.quick-nav a:last-child{background:var(--green);color:#fff}.quick-nav a[aria-current=page]{color:var(--green);font-weight:700;border-top:2px solid var(--green)}body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}dialog{padding:18px 22px 24px}dialog h2{font-size:23px}.footer-bottom{font-size:11px}}
@media(max-width:380px){.wrap{width:calc(100% - 28px)}.header-right{display:none}.hero h1{font-size:32px}.hero .button{font-size:13px;padding-inline:15px}.section-head{display:block}.section-head>a{display:inline-block;margin-top:12px}.page-hero h1{font-size:27px}.hero{height:530px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Right-side community entry; full code stays outside the 1200px reading column. */
.floating-community {
  position: fixed;
  z-index: 8;
  right: max(12px, env(safe-area-inset-right));
  top: 50%;
  transform: translateY(-50%);
  width: 148px;
  padding: 14px;
  background: #fff;
  border: 1px solid #dce6e1;
  border-radius: 4px;
  box-shadow: 0 2px 6px #173f3314, 0 12px 30px #173f3314;
  text-align: center;
}

.floating-community .floating-title {
  font-size: 13px;
  font-weight: 650;
  color: #075d4d;
  display: block;
}

.floating-community .qr-original {
  width: 116px;
  height: 116px;
  display: block;
  margin: 10px auto;
}

.floating-community .floating-more {
  display: block;
  min-height: 36px;
  font-size: 12px;
  color: #075d4d;
  padding: 5px 0;
}

.floating-community .floating-compact {
  display: none;
}

@media (min-width: 1560px) {
  .floating-community {
    right: max(18px, calc((100vw - 1200px) / 2 - 166px));
  }
}

@media (max-width: 1559px) {
  .floating-community {
    width: 54px;
    padding: 0;
    right: 10px;
    top: auto;
    bottom: 100px;
    transform: none;
  }

  .floating-community .floating-title,
  .floating-community .qr-original,
  .floating-community .floating-more {
    display: none;
  }

  .floating-community .floating-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 82px;
    padding: 10px 5px;
    background: #08765f;
    color: white;
    font-size: 12px;
    line-height: 1.6;
  }
}

@media (max-width: 800px) {
  .floating-community {
    bottom: calc(78px + env(safe-area-inset-bottom));
    right: 10px;
    width: 48px;
  }

  .floating-community .floating-compact {
    min-height: 74px;
    font-size: 11px;
  }
}

.company-facts{border-top:1px solid var(--line);padding-top:30px;margin-top:35px;display:grid;grid-template-columns:1fr 1fr;gap:24px 40px}.company-facts dt{font-size:13px;color:var(--muted)}.company-facts dd{margin:6px 0 0;font-size:16px;color:var(--ink)}.company-facts .wide{grid-column:1/-1}.company-contact{padding-block:34px;border-bottom:1px solid var(--line)}.company-contact h2{font-size:22px;margin-bottom:10px}.company-contact p{font-size:15px;color:var(--muted)}.footer-operator{font-size:12px}.floating-compact:hover{color:#fff;background:var(--deep)}.floating-more:hover{color:var(--green);text-decoration:underline}@media(max-width:800px){.company-facts{grid-template-columns:1fr;gap:20px}.company-facts .wide{grid-column:auto}}

.floating-code{display:block}@media(max-width:1559px){.floating-community .floating-code{display:none}}
/* Rich reading paths, local worksheets and article navigation. */
.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.path-entry,.path-grid>article{display:block;padding:28px 0;border-top:2px solid var(--green)}.path-grid h3{font-size:23px;margin:14px 0}.path-grid p{color:var(--muted);font-size:15px}.tool-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.tool-links>a{display:block;padding:24px 0;border-top:1px solid #a6bbae}.tool-links>a>span:first-child{font-size:22px;font-weight:600}.tool-links p{font-size:15px;color:var(--muted);margin-top:12px}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.reading-grid .story-link{padding:20px 0;min-width:0}.reading-grid h3{font-size:21px}.reading-grid .story-link p{-webkit-line-clamp:3}.inline-actions{display:flex;gap:14px 24px;align-items:center;flex-wrap:wrap;margin-top:25px}.topic-more{margin-top:22px;display:flex;gap:28px;align-items:center;justify-content:flex-end}.topic-more .button{font-size:13px}.scope-note{background:var(--paper);border-left:3px solid var(--green);padding:18px 22px;color:#405d50;font-size:14px;line-height:1.9}.category-intro{font-size:15px;color:var(--muted);margin:12px 0}.article-search{margin-bottom:26px}.article-search label{display:block;font-size:14px;margin-bottom:9px;color:var(--muted)}.article-search>div{display:flex;gap:9px}.article-search input{width:100%;min-width:0;min-height:46px;border:1px solid #92ac9c;border-radius:4px;padding:10px 13px;font:inherit;color:var(--ink);background:#fff}.article-search .button{flex:none}.updates-categories a{display:flex;justify-content:space-between;gap:16px}.updates-categories a>span{font-size:12px;color:#526b5d}.empty-search{padding:30px 0}.empty-search p{color:var(--muted);margin:12px 0}.tools-overview{display:grid;gap:40px}.tools-overview>article{border-top:1px solid var(--line);padding-top:28px;max-width:850px}.tools-overview h2{margin:9px 0 14px}.tools-overview p{color:var(--muted)}.worksheet-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,1fr);gap:70px;align-items:start}.worksheet-form{margin-top:28px}.worksheet-field{display:block;font-weight:600;margin-bottom:24px}.worksheet-field>span{display:block;font-size:12px;color:var(--muted);font-weight:400;margin:6px 0 10px}.worksheet-field textarea{font-weight:400;font-family:inherit;font-size:15px;line-height:1.8;width:100%;resize:vertical;min-height:100px;border:1px solid #92ac9c;border-radius:4px;padding:12px 14px;color:var(--ink);background:#fff}.worksheet-field textarea:focus-visible,.article-search input:focus-visible{outline:3px solid #b05e2b;outline-offset:3px}.worksheet-output{border-top:2px solid var(--green);margin-top:32px;padding-top:24px}.worksheet-output h2{font-size:24px}.worksheet-output pre{white-space:pre-wrap;overflow-wrap:anywhere;font:15px/2 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;color:#385647;background:var(--paper);padding:20px;margin:20px 0}.worksheet-aside{padding:26px;background:var(--paper);border-top:2px solid var(--green)}.worksheet-aside h2{font-size:22px;margin-bottom:15px}.worksheet-aside dl{margin:20px 0}.worksheet-aside dt{font-size:14px;font-weight:600;margin-top:16px}.worksheet-aside dd{font-size:14px;color:var(--muted);margin:5px 0 0}.worksheet-aside .text-link{display:flex;font-size:13px}.worksheet-status{min-height:24px;margin-top:18px}.article-toc{margin:28px 0 40px;padding:20px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-toc h2{font-size:18px;margin-bottom:12px}.article-toc a{display:block;min-height:40px;color:var(--green);font-size:14px;line-height:1.8;padding:7px 0}.article-body section[id]{scroll-margin-top:24px}.article-body .faq{line-height:1.85}.article-body .faq p{margin:15px 0 0}.action-items{display:grid;gap:14px;margin:18px 0}.action-items label{display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-size:16px}.action-items input{width:19px;height:19px;margin:6px 0 0;accent-color:var(--green);flex:none}.action-items label:has(input:checked)>span{color:#486b55}.article-neighbors{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-top:1px solid var(--line);margin-top:30px;padding-top:24px}.article-neighbors a{font-size:15px;line-height:1.9;color:var(--green)}.article-neighbors span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.category-panel[hidden],[data-article][hidden],[data-worksheet-output][hidden],[data-worksheet][hidden],[data-article-search][hidden],#empty-search[hidden]{display:none!important}
@media(max-width:1050px){.reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.worksheet-layout{gap:36px}.path-grid,.tool-links{gap:24px}}
@media(max-width:800px){.path-grid,.tool-links,.reading-grid{grid-template-columns:1fr;gap:12px}.path-entry,.path-grid>article{padding:23px 0}.path-grid h3{font-size:22px}.tool-links>a{padding:20px 0}.topic-more{display:block}.topic-more .button{display:flex;width:fit-content;margin-top:14px}.article-search>div{flex-wrap:wrap}.article-search input{flex-basis:100%}.article-search .button{font-size:13px}.worksheet-layout{grid-template-columns:1fr;gap:30px}.worksheet-aside{padding:22px}.worksheet-output pre{padding:16px;font-size:14px}.article-neighbors{grid-template-columns:1fr;gap:20px}.reading-grid .story-link{padding:18px 0}.article-toc{padding:20px 0}.try-today .inline-actions .button{font-size:13px}.inline-actions{gap:12px 20px}.updates-categories a>span{display:none}}
@media print{.topbar,.masthead,.nav-band,.footer,.quick-nav,.floating-community,dialog,.skip-link,.hero-area,.article-share,.article-neighbors,.article-toc,.related-stories,.inline-actions,.worksheet-form,.worksheet-aside,.worksheet-status,.breadcrumb{display:none!important}body{padding:0;background:#fff;color:#18181b}.section{padding:14px 0}.wrap{width:100%;max-width:none}.article-page{padding:0}.article-page h1{font-size:24pt}.article-body{font-size:11pt;line-height:1.7}.article-body h2{font-size:15pt;break-after:avoid}p,li,pre{orphans:3;widows:3}.worksheet-layout{display:block}.worksheet-output{border:0;margin:0;padding:0}.worksheet-output pre{background:#fff;padding:0}.page-hero{padding:0 0 18px;background:#fff}.page-hero h1{font-size:24pt}.try-today{break-inside:avoid}.article-page+section{display:none}}


/* Home: visible preview with a compact navigation, plus permanent contact windows. */
.home-explore{padding:0 0 56px}.home-explore>.wrap>.section-head,.home-connect>.wrap>.section-head{margin-bottom:24px}.home-explore h2,.home-connect h2{font-size:28px}.home-tabs{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;border-top:1px solid var(--line);padding-top:24px}.home-tab-list{display:flex;flex-direction:column;gap:8px}.home-tab{position:relative;display:block;padding:22px 36px 22px 20px;border-left:3px solid transparent}.home-tab>span:first-child{display:block;font-size:21px;font-weight:600}.home-tab small{display:block;font-size:13px;color:var(--muted);margin-top:5px}.home-tab-arrow{position:absolute;right:14px;top:23px;color:var(--green)}.home-tab[aria-selected=true]{background:var(--paper);border-left-color:var(--green);color:var(--green)}.home-tab:hover{background:var(--paper)}.home-tab:focus-visible,.home-preview:focus-visible{outline:3px solid #b05e2b;outline-offset:4px}.home-previews{min-width:0;min-height:350px}.home-preview[hidden]{display:none!important}.home-preview{scroll-margin-top:24px}.home-preview-heading{font-size:24px;margin:4px 0 12px}.home-reading{display:grid;grid-template-columns:1fr;gap:0;margin-bottom:12px}.home-reading .story-link{padding:14px 0;border-bottom:1px solid var(--line)}.home-reading .story-link .eyebrow{display:none}.home-reading .story-link h3{font-size:20px;margin:0 0 6px}.home-reading .story-link p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;font-size:14px;margin:0}.home-reading .read-more{font-size:12px;margin-top:6px}.home-preview .tool-links{gap:22px;margin-bottom:20px}.home-preview .tool-links>a{padding-top:16px}.home-preview .tool-links>a>span:first-child{font-size:20px}.home-preview .tool-links p{font-size:14px}.home-about{max-width:680px;padding-top:16px}.home-about p{font-size:17px;line-height:2;margin-bottom:22px;color:var(--muted)}.home-connect{background:var(--paper);padding:44px 0 54px}.home-connect-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:60px}.home-connect-title{font-size:24px;margin-bottom:8px}.home-connect-intro{font-size:14px;color:var(--muted);margin-bottom:24px}.home-community,.home-channel{min-width:0;scroll-margin-top:24px}.home-contact{display:flex;gap:24px;align-items:flex-start}.home-contact img{width:160px;height:160px;flex:none;background:#fff}.home-contact h3{font-size:18px;margin:0 0 9px}.home-contact p{font-size:14px;color:var(--muted);margin-bottom:14px}.home-contact .text-link{display:table;font-size:13px;margin-top:10px}.home-channel.section{padding:0}.home-channel>.wrap{width:100%;max-width:none}.home-channel .channel-columns{grid-template-columns:minmax(0,1fr);gap:0}.home-channel .channel-controls{gap:8px;flex-wrap:wrap}.home-channel .channel-card{padding:18px;background:#fff}.home-channel .channel-card h4{font-size:20px}.home-channel .channel-card p{font-size:14px}.home-channel .official-section{margin-top:22px;padding-top:18px}.home-channel .official-section .section-head{margin-bottom:12px}.home-channel .official-section h3{font-size:20px}.home-channel .official-list{grid-template-columns:1fr}.home-channel .live-status{font-size:12px;margin:14px 0}.home-channel .channel-empty{font-size:14px}.home-channel .channel-columns h3{font-size:18px;margin-bottom:12px}
@media(max-width:1050px){.home-tabs{grid-template-columns:210px minmax(0,1fr);gap:28px}.home-connect-grid{gap:32px}.home-contact{flex-direction:column}.home-preview .tool-links{grid-template-columns:1fr;gap:0}.home-preview .tool-links>a{padding:14px 0}.home-preview .tool-links p{margin-top:6px}.home-preview .tool-links .read-more{display:none}}
@media(max-width:800px){.home-explore{padding-bottom:32px}.home-explore h2,.home-connect h2{font-size:24px}.home-tabs{grid-template-columns:1fr;gap:22px;padding-top:16px}.home-tab-list{flex-direction:row;gap:0}.home-tab{flex:1;min-width:0;padding:13px 8px;border-left:0;border-bottom:3px solid transparent;text-align:center}.home-tab>span:first-child{font-size:17px}.home-tab small,.home-tab-arrow{display:none}.home-tab[aria-selected=true]{border-bottom-color:var(--green)}.home-previews{min-height:320px}.home-preview-heading{font-size:22px}.home-reading .story-link h3{font-size:19px}.home-about p{font-size:16px}.home-connect{padding:30px 0 38px}.home-connect-grid{grid-template-columns:1fr;gap:34px}.home-connect-title{font-size:22px}.home-contact{flex-direction:row;gap:20px}.home-contact img{width:132px;height:132px}.home-connect-intro{margin-bottom:18px}.home-channel{padding-top:28px!important;border-top:1px solid var(--line)}}
@media(max-width:380px){.home-contact{flex-direction:column}.home-tab>span:first-child{font-size:16px}}