@charset "UTF-8";
:root{--primary:#E53935;--primary-2:#FF7043;--primary-light:#FFCDD2;--primary-soft:#FFF3E0;--gold:#F9A825;--gold-deep:#C62828;--sky:#3B82F6;--ink:#172033;--ink-2:#25324A;--ink-3:#34435E;--bg:#F7FAFC;--bg-2:#FFF8F1;--bg-3:#EFF6FF;--surface:#fff;--text:#172033;--text-2:#475569;--text-3:#718096;--line:rgba(229,57,53,.11);--shadow:0 8px 28px rgba(23,32,51,.08);--shadow-hover:0 18px 44px rgba(23,32,51,.14);--radius:12px;--radius-card:16px;--radius-large:22px;--wrap:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}body.search-open,body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-50px;left:12px;z-index:9999;background:var(--ink);color:#fff;padding:8px 12px}.skip-link:focus{top:8px}.notice-bar{height:30px;background:linear-gradient(90deg,#E53935,#FF7043,#F9A825);color:#fff;font-size:12px}.notice-bar .wrap{height:100%;display:flex;align-items:center}.site-header{position:sticky;top:0;z-index:400;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{height:68px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.15}.brand strong{color:var(--gold-deep);font-size:18px}.brand small{font-size:11px;color:var(--text-3)}.desktop-nav{display:flex;gap:16px;align-items:center;flex:1;overflow:hidden}.desktop-nav a{font-size:14px;color:var(--text-2);white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{color:var(--primary)}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn,.app-link{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;color:var(--text-2);cursor:pointer}.app-link{background:var(--primary);color:#fff;border-color:var(--primary)}.home-hero,.page-hero{background:linear-gradient(135deg,#F7FAFC 0%,#FFF8F1 50%,#EFF6FF 100%);padding:72px 0}.page-hero.compact{padding:52px 0}.hero-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:44px;align-items:center}.hero-grid h1{font-size:clamp(36px,4vw,64px);line-height:1.08;margin:12px 0 20px}.hero-grid h1 span{background:linear-gradient(90deg,#E53935,#F9A825,#C62828);-webkit-background-clip:text;color:transparent}.hero-grid p{font-size:17px;color:var(--text-2);max-width:780px}.hero-media{position:relative}.hero-media img{width:100%;aspect-ratio:16/10;border-radius:var(--radius-large);box-shadow:var(--shadow-hover)}.hero-media.duo{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;align-items:end}.hero-media.duo img:last-child{aspect-ratio:3/4}.eyebrow{display:inline-block;color:var(--primary);font-weight:700;font-size:13px;letter-spacing:.08em}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:999px;border:1px solid var(--line);cursor:pointer}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{background:var(--gold);border-color:var(--gold)}.btn.secondary{background:#fff;color:var(--gold-deep)}.text-link{color:var(--primary);font-weight:700}.section{padding:72px 0;background:#fff}.section.alt{background:var(--bg-2)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section-head h2,.split h2{font-size:clamp(26px,3vw,40px);margin:6px 0;color:var(--gold-deep)}.section-head p{max-width:560px;color:var(--text-2)}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.channel-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.channel-card:hover{background:var(--primary-soft)}.channel-card strong{display:block;margin-bottom:6px}.channel-card span{font-size:14px;color:var(--text-2)}.feature-grid,.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-grid{grid-template-columns:repeat(5,1fr)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.app-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid rgba(229,57,53,.08);border-radius:16px;overflow:hidden;box-shadow:0 4px 18px rgba(23,32,51,.07)}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}.media-card img{width:100%;aspect-ratio:16/9}.app-preview-grid .media-card img{aspect-ratio:9/16}.card-body{padding:18px}.card-body h3{margin:0 0 8px}.card-body p{margin:0 0 14px;color:var(--text-2)}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:start}.service-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.service-list a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.service-list a:hover{background:var(--primary-soft)}.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.filter-chip{background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px}.filter-chip.active{background:var(--primary);color:#fff}.faq-list{display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:#fff;padding:18px;cursor:pointer;font-weight:700;color:var(--text)}.faq-a{padding:0 18px 18px;color:var(--text-2)}.breadcrumb{display:flex;gap:8px}.search-modal{display:none;position:fixed;inset:0;z-index:1000;background:rgba(23,32,51,.52);padding:24px;align-items:flex-start;justify-content:center}.search-modal.is-open{display:flex}.search-modal[hidden]{display:none !important}.search-panel{position:relative;width:min(720px,100%);margin-top:10vh;background:#fff;border-radius:22px;padding:30px;box-shadow:0 24px 80px rgba(0,0,0,.25)}.search-close{position:absolute;right:16px;top:14px;border:0;background:var(--primary-soft);width:38px;height:38px;border-radius:50%;cursor:pointer}.search-form,.search-inline{display:flex;gap:10px}.search-form input,.search-inline input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:12px 16px}.search-hint{color:var(--text-3)}.drawer{position:fixed;inset:0;z-index:900;background:rgba(23,32,51,.5)}.drawer[hidden]{display:none!important}.drawer-panel{margin-left:auto;width:min(360px,88vw);height:100%;background:#fff;padding:30px;display:flex;flex-direction:column;gap:10px}.drawer-panel a{padding:10px;border-bottom:1px solid var(--line)}.drawer-close{align-self:flex-end;border:0;background:var(--primary-soft);width:40px;height:40px;border-radius:50%}.site-footer{background:linear-gradient(135deg,#172033,#25324A,#34435E);color:#fff;padding:56px 0 86px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:26px}.footer-grid h2,.footer-grid h3{margin-top:0}.footer-grid p,.footer-grid a{color:rgba(255,255,255,.72)}.footer-grid a{display:block;margin:8px 0}.footer-grid a:hover{color:var(--primary-light)}.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.6)}.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:24px;width:44px;height:44px;border-radius:50%;border:0;background:var(--primary);color:#fff;cursor:pointer;opacity:0;pointer-events:none;transition:.2s}.back-top.show{opacity:1;pointer-events:auto}.reveal{opacity:0;transform:translateY(18px);transition:.5s}.reveal.visible{opacity:1;transform:none}:focus-visible{outline:3px solid var(--sky);outline-offset:3px}@media(max-width:1200px){.desktop-nav{display:none}.header-inner{justify-content:space-between}.feature-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:900px){.hero-grid,.split{grid-template-columns:1fr}.feature-grid,.card-grid,.app-preview-grid{grid-template-columns:repeat(2,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero-media.duo{grid-template-columns:1fr 1fr}.section-head{align-items:start;flex-direction:column}.mobile-bottom{position:fixed;z-index:500;left:0;right:0;bottom:0;height:58px;background:#fff;border-top:1px solid var(--primary);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -6px 20px rgba(0,0,0,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px}.back-top{bottom:72px}}@media(max-width:600px){.wrap{width:min(calc(100% - 24px),var(--wrap))}.home-hero,.page-hero,.section{padding:48px 0}.hero-grid h1{font-size:36px}.two-col,.feature-grid,.card-grid,.app-preview-grid,.channel-grid,.footer-grid,.service-list{grid-template-columns:1fr}.header-actions .app-link{display:none}.brand small{display:none}.search-form,.search-inline{flex-direction:column}.hero-media.duo{grid-template-columns:1fr}.hero-media.duo img:last-child{max-width:70%;margin:auto}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1!important;transform:none!important}}

/* Expanded editorial content */
.narrow{max-width:920px;margin-inline:auto}.lead-copy{font-size:1.12rem;line-height:1.9;color:var(--ink-2)}
.insight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.insight-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow)}.insight-card h3{margin:12px 0 10px;color:var(--ink)}.insight-card p{margin:0;color:var(--text-2);line-height:1.78}.step-no{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-weight:800}
.collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.collection-item{display:block;padding:22px;border-radius:var(--radius-card);background:var(--surface);border:1px solid var(--line);transition:.2s ease}.collection-item:nth-child(3n+2){background:var(--bg-3)}.collection-item:nth-child(3n+3){background:var(--bg-2)}.collection-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.collection-item h3{margin:0 0 8px;color:var(--ink)}.collection-item p{margin:0 0 14px;color:var(--text-2);line-height:1.72}.collection-item span{color:var(--primary);font-weight:700}.topic-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.topic-links a,.tag-cloud span{padding:9px 14px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--line);color:var(--ink-2)}
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 24px}.tag-cloud span{background:var(--primary-soft);border-color:var(--line-strong)}.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.steps-grid article{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}.steps-grid strong{font-size:1.4rem;color:var(--primary)}.steps-grid p{margin:8px 0 0;color:var(--text-2);line-height:1.65}
.editorial-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);gap:38px;align-items:start}.editorial-layout>div>p{line-height:1.86;color:var(--text-2)}.method-panel{background:linear-gradient(145deg,var(--surface),var(--bg-2));border:1px solid var(--line-strong);border-radius:var(--radius-large);padding:26px;box-shadow:var(--shadow)}.method-panel h3{margin-top:0;color:var(--gold-deep)}.method-panel ol,.method-panel ul{padding-left:20px;color:var(--text-2);line-height:1.9}.method-panel .btn{margin-top:10px}
@media(max-width:1050px){.insight-grid,.steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.insight-grid,.steps-grid,.collection-grid,.editorial-layout{grid-template-columns:1fr}.insight-card,.collection-item,.method-panel{padding:18px}.lead-copy{font-size:1.02rem}}