/* Base ---------------------------------------------------------- */
:root{
  --purple:#7C5C8E;--purple-soft:#B89ABF;--ink:#25212A;--text:#302C33;--muted:#726B76;
  --paper:#F8F5F3;--panel:#EEE8EF;--white:#fff;--amber:#D58A45;--line:#DCD4DE;
  --max:1180px;--radius:28px;--shadow:0 22px 70px rgba(37,33,42,.08);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}body.modal-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:14px;top:12px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;transform:translateY(-180%)}.skip-link:focus{transform:none}.eyebrow{margin:0 0 10px;color:var(--purple);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.lede{font-size:1.08rem;color:var(--muted);max-width:760px}.section-heading{max-width:var(--max);margin:0 auto 38px;display:flex;gap:50px;justify-content:space-between;align-items:end}.section-heading h2,.ribbon-title h2,.feature-copy h2,.topic-window h2,.cluster-intro h2,.device-assist h2,.weak-topic h2,.home-faq h2,.closing-map h2{margin:0;color:var(--ink);font-size:clamp(1.85rem,3vw,3rem);line-height:1.18;letter-spacing:-.035em}.section-heading>p{max-width:540px;margin:0;color:var(--muted)}
/* Header -------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(248,245,243,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(124,92,142,.12)}.header-shell{height:78px;max-width:1240px;margin:auto;padding:0 30px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:var(--panel)}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:.98rem;color:var(--ink)}.brand small{font-size:.7rem;color:var(--muted);margin-top:3px}.main-nav{display:flex;align-items:center;gap:4px}.nav-link{padding:9px 11px;border-radius:999px;color:#5d5560;font-size:.9rem}.nav-link:hover,.nav-link.is-active{background:var(--panel);color:var(--ink)}.search-open{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:9px 14px}.search-open:hover{border-color:var(--purple)}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px}.menu-toggle b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* Search modal -------------------------------------------------- */
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;background:rgba(37,33,42,.48);display:grid;place-items:start center;padding:11vh 20px}.search-panel{position:relative;width:min(720px,100%);background:var(--paper);border-radius:32px;padding:42px;box-shadow:0 28px 100px rgba(37,33,42,.25)}.search-panel h2{font-size:clamp(1.6rem,4vw,2.6rem);line-height:1.2;margin:0 0 24px}.search-close{position:absolute;right:20px;top:18px;border:0;background:var(--panel);width:42px;height:42px;border-radius:50%;font-size:1.6rem}.search-form label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:7px}.search-row{display:flex;gap:10px}.search-row input{width:100%;min-width:0;border:1px solid var(--line);background:#fff;padding:14px 16px;border-radius:15px;outline:none}.search-row input:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(124,92,142,.12)}.search-row button{border:0;background:var(--purple);color:#fff;padding:13px 20px;border-radius:15px;font-weight:700}.search-help{color:var(--muted);font-size:.86rem;margin:14px 0 0}
/* Homepage lead ------------------------------------------------- */
.home-lead{max-width:1280px;margin:0 auto;padding:76px 32px 60px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(480px,1.1fr);gap:64px;align-items:center}.home-lead-main h1{font-size:clamp(3rem,6vw,6.3rem);line-height:.98;letter-spacing:-.065em;margin:18px 0 30px;color:var(--ink);max-width:690px}.home-intro{font-size:1.1rem;color:var(--muted);max-width:650px}.lead-actions{margin-top:30px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}.primary-action{background:var(--amber);color:#fff;border-radius:999px;padding:13px 22px;font-weight:800;box-shadow:0 8px 28px rgba(213,138,69,.25)}.text-action{font-weight:800;color:var(--ink)}.text-action span{color:var(--purple)}.home-visual{margin:0;position:relative}.home-visual img{width:100%;aspect-ratio:1.25;object-fit:cover;border-radius:44px 44px 140px 44px;box-shadow:var(--shadow)}.home-visual figcaption{position:absolute;left:-34px;bottom:30px;background:rgba(37,33,42,.94);color:#fff;width:min(320px,80%);padding:18px 20px;border-radius:20px;display:flex;flex-direction:column}.home-visual figcaption span{font-size:.85rem;color:#d8d1dc;margin-top:4px}
/* Rhythm ribbon ------------------------------------------------- */
.watch-ribbon{background:var(--ink);color:#fff;padding:70px max(30px,calc((100vw - 1180px)/2))}.ribbon-title{max-width:760px;margin-bottom:38px}.ribbon-title .eyebrow{color:#d9bddf}.ribbon-title h2{color:#fff}.rhythm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#4a444d;border:1px solid #4a444d}.rhythm-grid a{background:var(--ink);padding:30px;min-height:220px;transition:.2s}.rhythm-grid a:hover{background:#302b33}.rhythm-grid span{color:#d9bddf;font-size:.8rem}.rhythm-grid strong{display:block;font-size:1.35rem;line-height:1.3;margin:18px 0 12px}.rhythm-grid p{margin:0;color:#bdb6c1;font-size:.92rem}
/* Feature strip ------------------------------------------------- */
.feature-strip{max-width:1180px;margin:100px auto;padding:0 30px;display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center}.feature-copy p{color:var(--muted)}.feature-strip img{border-radius:140px 32px 32px 32px;aspect-ratio:1.4;object-fit:cover}.inline-cta{display:inline-flex;margin-top:16px;color:var(--purple);font-weight:800;border-bottom:1px solid var(--purple)}
/* Editor picks -------------------------------------------------- */
.editor-picks{padding:90px 30px;background:#fff}.pick-list{max-width:1180px;margin:auto;display:grid;gap:24px}.pick-list article{display:grid;grid-template-columns:380px 1fr;gap:34px;align-items:center;border-top:1px solid var(--line);padding:28px 0}.pick-list article:last-child{border-bottom:1px solid var(--line)}.pick-list img{width:100%;aspect-ratio:1.55;object-fit:cover;border-radius:24px}.pick-list article>div>span{color:var(--purple);font-size:.78rem;font-weight:800}.pick-list h3{font-size:1.6rem;line-height:1.28;margin:9px 0;color:var(--ink)}.pick-list p{color:var(--muted);margin:0 0 10px}.pick-list a{font-weight:800;color:var(--ink)}.pick-list a span{color:var(--amber)}
/* Topic window -------------------------------------------------- */
.topic-window{max-width:1180px;margin:110px auto;padding:0 30px;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}.topic-window img{width:100%;aspect-ratio:1.35;object-fit:cover;border-radius:32px 120px 32px 32px}.topic-window p{color:var(--muted)}.topic-chips{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.topic-chips a{background:var(--panel);padding:8px 12px;border-radius:999px;font-size:.85rem}
/* Brand cluster ------------------------------------------------- */
.brand-cluster{padding:92px max(30px,calc((100vw - 1180px)/2));background:var(--panel);display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.cluster-intro p{color:var(--muted)}.cluster-intro>a{font-weight:800;color:var(--purple)}.cluster-notes{display:grid;gap:0}.cluster-notes>div{padding:23px 0;border-bottom:1px solid #d6cdd8}.cluster-notes>div:first-child{border-top:1px solid #d6cdd8}.cluster-notes span{font-weight:800;color:var(--ink)}.cluster-notes p{margin:6px 0 0;color:var(--muted)}
/* Content index ------------------------------------------------- */
.cards-index{padding:100px 30px}.cards-index>.section-heading>a{font-weight:800;color:var(--purple)}.index-list{max-width:1180px;margin:auto;border-top:1px solid var(--line)}.index-list>a{display:grid;grid-template-columns:68px 1fr 40px;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center}.index-list>a:hover h3{color:var(--purple)}.index-number{font-size:.8rem;color:var(--purple)}.index-list small{color:var(--purple);font-weight:800}.index-list h3{font-size:1.22rem;margin:4px 0;color:var(--ink);transition:.2s}.index-list p{margin:0;color:var(--muted);font-size:.92rem}.index-list b{font-size:1.4rem;color:var(--amber)}
/* Device and weak topic ---------------------------------------- */
.device-assist{max-width:1120px;margin:20px auto 100px;padding:54px;background:#fff;border-radius:40px;display:grid;grid-template-columns:1fr 430px;gap:60px;align-items:center;box-shadow:var(--shadow)}.device-assist p{color:var(--muted)}.device-assist img{width:100%;aspect-ratio:1.2;object-fit:cover;border-radius:24px}.weak-topic{padding:80px max(30px,calc((100vw - 1180px)/2));background:#332e36;color:#fff}.weak-topic .eyebrow{color:#e3c6e8}.weak-topic h2{color:#fff}.weak-head{max-width:760px}.weak-grid{margin-top:30px;display:grid;grid-template-columns:1fr .7fr;gap:80px;align-items:start}.weak-grid p{margin:0;color:#c6bec9}.weak-grid a{border-left:1px solid #645d67;padding-left:26px;display:flex;flex-direction:column}.weak-grid a span{font-size:.86rem;color:#d4cbd7;margin-top:7px}
/* FAQ home ------------------------------------------------------ */
.home-faq{max-width:1180px;margin:100px auto;padding:0 30px;display:grid;grid-template-columns:.7fr 1.3fr;gap:90px}.faq-lead p{color:var(--muted)}.faq-lead>a{color:var(--purple);font-weight:800}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list details p{color:var(--muted);margin:0;padding:0 36px 22px 0}.faq-list summary span{color:var(--purple)}
/* Closing ------------------------------------------------------- */
.closing-map{padding:92px max(30px,calc((100vw - 1180px)/2));background:#fff}.closing-map>div:first-child{max-width:760px}.closing-links{margin-top:38px;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.closing-links a{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;min-height:120px}.closing-links a:hover{background:var(--paper)}.closing-links strong{font-size:1.05rem}.closing-links span{color:var(--muted);font-size:.87rem;margin-top:5px}
/* Interior hero ------------------------------------------------- */
.page-hero{max-width:1240px;margin:auto;padding:70px 30px 46px;display:grid;grid-template-columns:1fr 500px;gap:70px;align-items:center}.page-hero-copy h1{font-size:clamp(2.8rem,5vw,5.4rem);line-height:1.02;letter-spacing:-.055em;margin:14px 0 24px;color:var(--ink)}.hero-quicklinks{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-quicklinks a{padding:9px 13px;background:var(--panel);border-radius:999px;font-size:.84rem}.page-hero-media{margin:0}.page-hero-media img{width:100%;aspect-ratio:1.3;object-fit:cover;border-radius:32px 90px 32px 32px}.page-hero-media figcaption{color:var(--muted);font-size:.8rem;margin-top:10px}.breadcrumbs{max-width:1180px;margin:0 auto;padding:0 30px 28px;display:flex;gap:10px;color:var(--muted);font-size:.82rem}.breadcrumbs a{color:var(--purple)}
/* Editorial article -------------------------------------------- */
.article-layout{max-width:1180px;margin:auto;padding:28px 30px 110px;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:70px}.editorial-article{border-top:1px solid var(--line)}.article-section{display:grid;grid-template-columns:54px 1fr;gap:20px;padding:40px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.section-no{color:var(--purple);font-size:.78rem;padding-top:7px}.article-section h2{font-size:clamp(1.5rem,2.4vw,2.25rem);line-height:1.25;margin:0 0 18px;color:var(--ink);letter-spacing:-.025em}.article-section p{margin:0 0 16px;color:#4b454e}.detail-list{margin:18px 0;padding:0;list-style:none;display:grid;gap:8px}.detail-list li{background:var(--panel);padding:10px 14px;border-radius:12px}.text-links{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-top:18px}.text-links a{font-weight:800;color:var(--purple);border-bottom:1px solid rgba(124,92,142,.35)}.text-links a span{color:var(--amber);margin-left:5px}.article-aside{position:relative}.aside-card,.aside-index{background:#fff;border-radius:22px;padding:24px;margin-bottom:20px}.aside-card h2{font-size:1.35rem;line-height:1.3;margin:0 0 10px}.aside-card p{color:var(--muted);font-size:.9rem}.aside-card.quiet{background:var(--panel)}.aside-index{position:sticky;top:100px}.aside-index h3{margin-top:0}.aside-index a{display:block;padding:9px 0;border-bottom:1px solid #eee7ef;color:var(--muted);font-size:.86rem}.aside-index a:hover{color:var(--purple)}
/* Continue band ------------------------------------------------- */
.continue-band{padding:78px max(30px,calc((100vw - 1180px)/2));background:var(--panel);display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.continue-band h2{font-size:2.3rem;line-height:1.2;margin:0;color:var(--ink)}.continue-band p{color:var(--muted)}.continue-links{display:grid;gap:10px}.continue-links a{background:#fff;padding:17px 20px;border-radius:16px;display:flex;flex-direction:column}.continue-links span{color:var(--muted);font-size:.84rem;margin-top:3px}
/* Simple & FAQ -------------------------------------------------- */
.simple-hero,.search-page-head{max-width:980px;margin:auto;padding:80px 30px 44px}.simple-hero h1,.search-page-head h1{font-size:clamp(2.7rem,5vw,5rem);line-height:1.04;letter-spacing:-.05em;margin:12px 0 24px}.simple-hero>p:last-child,.search-page-head>p{max-width:760px;color:var(--muted);font-size:1.08rem}.faq-page{max-width:1180px;margin:auto;padding:30px 30px 110px;display:grid;grid-template-columns:1fr 320px;gap:70px}.faq-list.large details{background:#fff;border:0;border-radius:18px;margin-bottom:10px;padding:0 20px}.faq-list.large summary{align-items:center}.faq-list.large summary>span{font-size:.76rem;min-width:32px}.faq-list.large summary>b{margin-left:auto;color:var(--purple)}.faq-page aside{align-self:start;position:sticky;top:100px}.faq-page aside img{border-radius:22px;margin-bottom:24px}.faq-page aside h2{font-size:1.4rem}.faq-page aside p{color:var(--muted)}.faq-page aside a{display:block;margin-top:10px;color:var(--purple);font-weight:700}
/* Search results ------------------------------------------------ */
.page-search{margin-top:28px;max-width:720px}.search-results{max-width:980px;margin:auto;padding:10px 30px 110px}.result-meta{display:flex;align-items:baseline;gap:9px;margin-bottom:20px}.result-meta strong{font-size:2rem;color:var(--purple)}.result-meta span{color:var(--muted)}.result-list{border-top:1px solid var(--line)}.result-list>a{display:grid;grid-template-columns:55px 1fr 32px;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);align-items:center}.result-list>a>span{font-size:.75rem;color:var(--purple)}.result-list small{color:var(--purple);font-weight:800}.result-list h2{font-size:1.25rem;margin:4px 0;color:var(--ink)}.result-list p{margin:0;color:var(--muted);font-size:.9rem}.result-list b{color:var(--amber)}.empty-state{background:#fff;padding:48px;border-radius:28px}.empty-state h2{font-size:2rem;margin-top:0}.empty-state p{color:var(--muted)}.empty-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.empty-links a{background:var(--panel);padding:10px 14px;border-radius:999px;font-weight:700}
/* 404 ----------------------------------------------------------- */
.not-found{min-height:60vh;max-width:1080px;margin:auto;padding:100px 30px;display:grid;grid-template-columns:300px 1fr;gap:70px;align-items:center}.error-code{font-size:8rem;font-weight:900;line-height:1;color:var(--purple-soft);letter-spacing:-.08em}.not-found h1{font-size:clamp(2.5rem,5vw,4.6rem);line-height:1.05;margin:12px 0 20px}.not-found p{color:var(--muted)}.error-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.error-links a{background:var(--panel);padding:10px 14px;border-radius:999px;font-weight:700}
/* Footer -------------------------------------------------------- */
.site-footer{background:var(--ink);color:#fff;padding:76px max(30px,calc((100vw - 1180px)/2)) 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,.8fr);gap:58px}.footer-grid h2{margin:0 0 12px;font-size:1.6rem}.footer-grid h3{font-size:.9rem;color:#d9cadd;margin:0 0 14px}.footer-grid p{color:#bdb6c1;max-width:430px;font-size:.88rem}.footer-grid section:not(:first-child){display:flex;flex-direction:column}.footer-grid a{color:#d6d0d9;font-size:.86rem;padding:4px 0}.footer-grid a:hover{color:#fff}.site-footer .eyebrow{color:#c9accf}.footer-bottom{border-top:1px solid #484249;margin-top:55px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8f8791;font-size:.78rem}.footer-bottom a{color:#c6bdc8}.back-top{position:fixed;right:24px;bottom:24px;z-index:80;width:46px;height:46px;border:0;border-radius:50%;background:var(--amber);color:#fff;font-weight:900;box-shadow:0 10px 30px rgba(37,33,42,.18)}.back-top[hidden]{display:none}
/* Responsive ---------------------------------------------------- */
@media (max-width:1100px){.main-nav{gap:0}.nav-link{padding:8px;font-size:.84rem}.home-lead{grid-template-columns:1fr 1fr;gap:38px}.home-lead-main h1{font-size:4.4rem}.page-hero{grid-template-columns:1fr 420px;gap:45px}.feature-strip,.topic-window{gap:42px}.article-layout{gap:45px}.footer-grid{gap:35px}.device-assist{margin-left:30px;margin-right:30px}}
@media (max-width:900px){.menu-toggle{display:block;order:2}.search-open{order:3}.main-nav{position:absolute;left:20px;right:20px;top:70px;background:var(--paper);padding:12px;border-radius:18px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.nav-link{padding:11px 12px}.home-lead,.page-hero{grid-template-columns:1fr}.home-lead{padding-top:48px}.home-lead-main h1{font-size:clamp(3rem,9vw,5.4rem)}.home-visual{max-width:760px}.home-visual figcaption{left:18px}.rhythm-grid{grid-template-columns:1fr}.feature-strip,.topic-window{grid-template-columns:1fr}.feature-strip img{order:-1}.topic-window img{max-width:760px}.brand-cluster,.device-assist,.weak-grid,.home-faq,.continue-band{grid-template-columns:1fr;gap:42px}.device-assist{padding:40px}.device-assist img{max-width:540px}.article-layout{grid-template-columns:1fr}.article-aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}.aside-index{position:static;grid-row:1/3;grid-column:2}.faq-page{grid-template-columns:1fr}.faq-page aside{position:static;display:grid;grid-template-columns:240px 1fr;gap:0 24px}.faq-page aside img{grid-row:1/5}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-about{grid-column:1/-1}.not-found{grid-template-columns:220px 1fr;gap:40px}}
@media (max-width:700px){.header-shell{height:68px;padding:0 16px;gap:10px}.brand strong{font-size:.88rem}.brand small{display:none}.search-open{font-size:.8rem;padding:8px 10px}.home-lead,.page-hero{padding-left:20px;padding-right:20px}.home-lead{gap:36px}.home-visual img{border-radius:28px 28px 90px 28px}.home-visual figcaption{position:relative;left:auto;bottom:auto;width:100%;margin-top:-24px;border-radius:0 0 20px 20px}.watch-ribbon{padding-left:20px;padding-right:20px}.section-heading{display:block}.section-heading>p{margin-top:16px}.feature-strip,.topic-window,.editor-picks,.cards-index,.home-faq{padding-left:20px;padding-right:20px;margin-top:70px;margin-bottom:70px}.pick-list article{grid-template-columns:1fr;gap:18px}.pick-list img{max-width:520px}.brand-cluster,.weak-topic,.continue-band,.closing-map{padding-left:20px;padding-right:20px}.device-assist{margin-left:20px;margin-right:20px;padding:28px;border-radius:28px}.closing-links{grid-template-columns:1fr}.article-layout{padding-left:20px;padding-right:20px}.article-section{grid-template-columns:34px 1fr;gap:12px}.article-aside{display:block}.faq-page{padding-left:20px;padding-right:20px}.faq-page aside{display:block}.faq-page aside img{max-width:420px}.not-found{grid-template-columns:1fr;padding:70px 20px}.error-code{font-size:6rem}.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1/-1}.footer-bottom{flex-direction:column}.search-panel{padding:32px 22px}.search-row{flex-direction:column}}
@media (max-width:480px){.brand img{width:38px;height:38px}.header-shell{padding:0 12px}.search-open{display:none}.home-lead{padding-top:34px}.home-lead-main h1{font-size:3.25rem}.lead-actions{align-items:flex-start;flex-direction:column}.rhythm-grid a{min-height:auto}.feature-strip img,.topic-window img,.page-hero-media img{border-radius:24px}.cluster-notes>div{padding:18px 0}.index-list>a{grid-template-columns:38px 1fr 20px;gap:10px}.index-list p{display:none}.device-assist{margin-left:12px;margin-right:12px}.faq-list details p{padding-right:0}.footer-grid{grid-template-columns:1fr}.footer-about{grid-column:auto}.back-top{right:14px;bottom:14px}.article-section h2{font-size:1.5rem}.simple-hero,.search-page-head{padding-top:50px}.result-list>a{grid-template-columns:35px 1fr 20px;gap:9px}.result-list p{font-size:.84rem}.empty-state{padding:30px 22px}}

/* Practical signal library ------------------------------------- */
.signal-library{margin-top:64px;padding-top:52px;border-top:3px solid var(--ink)}
.signal-library-head{max-width:720px;margin-bottom:30px}.signal-library-head h2{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.18;margin:0 0 14px;color:var(--ink);letter-spacing:-.03em}.signal-library-head>p:last-child{color:var(--muted)}
.signal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.signal-card{background:#fff;border:1px solid #ece5ee;border-radius:18px;padding:20px;min-height:250px;display:flex;flex-direction:column}.signal-card:nth-child(4n+2),.signal-card:nth-child(4n+3){background:var(--panel)}.signal-card h3{font-size:1rem;line-height:1.35;margin:0 0 12px;color:var(--ink)}.signal-card p{font-size:.86rem;line-height:1.65;margin:0 0 10px;color:#554e57}.signal-card .signal-observe{color:var(--muted)}.signal-card strong{display:block;margin-top:auto;padding-top:12px;border-top:1px solid rgba(124,92,142,.15);font-size:.82rem;line-height:1.6;color:var(--purple)}.secondary-inline{margin-left:18px}
@media (max-width:700px){.signal-grid{grid-template-columns:1fr}.signal-card{min-height:auto}.secondary-inline{margin-left:0;display:table}}

/* Scenario examples -------------------------------------------- */
.scenario-library{margin-top:70px;padding-top:56px;border-top:1px solid var(--line)}.scenario-list{border-top:1px solid var(--line)}.scenario-item{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:26px 0;border-bottom:1px solid var(--line)}.scenario-item>span{font-size:.76rem;color:var(--purple);padding-top:4px}.scenario-item h3{font-size:1.18rem;line-height:1.35;margin:0 0 12px;color:var(--ink)}.scenario-item p{margin:6px 0;color:#544d56;font-size:.9rem}.scenario-item p b{color:var(--ink)}
@media(max-width:480px){.scenario-item{grid-template-columns:30px 1fr;gap:8px}.scenario-item p{font-size:.86rem}}