:root{--bg:#09070F;--deep:#06040A;--surface:#151020;--surface-2:#21152F;--card:#251A35;--text:#F4F0FA;--muted:#D9D0E4;--soft:#B6A7C6;--purple:#7544C8;--purple-bright:#A678E9;--purple-deep:#492476;--gold:#E8BE58;--gold-bright:#F4D781;--border:rgba(166,120,233,.24);--card-border:rgba(232,190,88,.17);--shadow:0 14px 36px rgba(0,0,0,.38);--header-offset:112px;--radius:14px}
*{box-sizing:border-box;min-width:0}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:radial-gradient(circle at 20% 0,rgba(117,68,200,.11),transparent 34rem),linear-gradient(180deg,var(--bg),var(--deep));color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none;transition:180ms}button,input{font:inherit}button{color:inherit}img,picture,figure,.media-box{max-width:100%;min-width:0;box-sizing:border-box}figure{margin:0}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}.shell{width:min(1120px,calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--gold);color:#111;padding:8px 12px;border-radius:8px}.skip-link:focus{top:12px}.topbar{position:fixed;z-index:120;left:0;right:0;top:0;height:18px;background:#08050d;border-bottom:1px solid rgba(255,255,255,.03)}.topbar-inner{height:18px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--soft)}.text-action{border:0;background:transparent;padding:0;cursor:pointer;color:var(--muted);font-size:12px}.site-header{position:fixed;z-index:110;left:0;right:0;top:18px;background:rgba(21,16,32,.97);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,190,88,.18)}.brand-row{height:54px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;min-height:44px;max-width:240px}.brand-logo{height:24px;width:auto}.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em}.core-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.core-nav a,.quick-group a{position:relative;display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:10px;font-size:14px;color:var(--muted)}.core-nav a[aria-current="page"],.quick-group a[aria-current="page"],.mobile-bottom a[aria-current="page"]{background:rgba(117,68,200,.2);color:#fff;box-shadow:0 6px 16px rgba(117,68,200,.24)}.core-nav a[aria-current="page"]::after,.quick-group a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:1px;background:linear-gradient(90deg,var(--purple-bright),var(--gold))}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button,.icon-action{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:0 14px;border:1px solid rgba(232,190,88,.25);background:#100b18;color:#fff;cursor:pointer;font-size:14px}.menu-button{background:linear-gradient(135deg,#A678E9 0%,#7544C8 60%,#492476 100%);border-color:transparent;box-shadow:0 6px 16px rgba(117,68,200,.24)}.mobile-only{display:none}.quick-strip{border-top:1px solid rgba(166,120,233,.08);background:rgba(9,7,15,.88)}.quick-groups{height:40px;display:flex;align-items:center;justify-content:space-between;gap:18px}.quick-group{display:flex;align-items:center;gap:4px}.quick-label{font-size:12px;color:var(--gold-bright);padding-right:6px}.quick-group a{font-size:13px;min-height:30px;padding:0 10px}.site-main{padding-top:calc(var(--header-offset) + 34px);min-height:65vh}.page-section{padding:56px 0}.page-section.compact{padding-top:32px;padding-bottom:40px}.hero-grid,.split-grid,.editorial-grid,.app-grid,.topic-grid{display:grid;gap:32px;align-items:center}.hero-grid{grid-template-columns:minmax(0,3fr) minmax(280px,2fr)}.split-grid{grid-template-columns:minmax(0,1fr) 300px;align-items:start}.editorial-grid{grid-template-columns:minmax(0,1.55fr) minmax(260px,.85fr);align-items:stretch}.app-grid{grid-template-columns:280px minmax(0,1fr)}.topic-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.eyebrow{display:inline-block;color:var(--gold-bright);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:8px}.kicker{color:var(--purple-bright);font-size:14px;font-weight:700}.hero-copy{max-width:760px}.hero-copy h1,.page-head h1{font-size:clamp(26px,3vw,34px);line-height:1.25;margin:0 0 16px;color:#fff}.hero-copy p,.page-head p{margin:0 0 14px;color:var(--muted)}h2{font-size:clamp(22px,2.4vw,26px);line-height:1.35;margin:0 0 16px;color:#fff}h3{font-size:18px;line-height:1.45;margin:0 0 10px;color:#fff}p{margin:0 0 16px}.lead{font-size:17px;color:var(--muted);max-width:820px}.muted{color:var(--soft)}.page-head{max-width:840px;margin-bottom:34px}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--soft);margin-bottom:14px}.breadcrumb a{color:var(--muted)}.breadcrumb span::before{content:"/";margin-right:8px;color:rgba(217,208,228,.5)}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:12px;font-size:14px;font-weight:700;transition:180ms}.btn-primary{background:linear-gradient(135deg,#A678E9 0%,#7544C8 60%,#492476 100%);color:#fff;box-shadow:0 6px 16px rgba(117,68,200,.24)}.btn-secondary{background:#100b18;color:#fff;border:1px solid rgba(232,190,88,.42)}.btn:hover,.app-link:hover,.menu-button:hover,.icon-action:hover,.core-nav a:hover,.quick-group a:hover{filter:brightness(1.08);box-shadow:0 0 0 3px rgba(166,120,233,.30),0 10px 24px rgba(117,68,200,.30)}.btn:active,.app-link:active,.menu-button:active,.icon-action:active{filter:brightness(1.12);box-shadow:0 0 0 4px rgba(166,120,233,.35),0 0 22px rgba(117,68,200,.48)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--purple-bright);outline-offset:2px}.media-box{width:100%;max-width:500px;margin:0 auto;border-radius:var(--radius);background:linear-gradient(135deg,#171020,#28163a);border:1px solid var(--card-border);padding:18px;min-height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-box img{width:100%;height:100%;object-fit:contain}.media-wide{height:clamp(190px,28vw,320px)}.media-main{max-width:460px;height:clamp(220px,30vw,340px)}.banner-box{width:100%;max-width:none;height:200px}.app-art{width:240px;height:330px}.icon-art{width:64px;height:64px;min-height:0;padding:8px}.feature-panel,.note-panel,.article-block,.service-band,.faq-item,.step-block,.legal-block,.topic-panel{border:1px solid var(--border);background:linear-gradient(180deg,rgba(37,26,53,.86),rgba(21,16,32,.92));border-radius:var(--radius);box-shadow:var(--shadow)}.feature-panel,.note-panel,.article-block,.step-block,.legal-block,.topic-panel{padding:24px}.feature-panel p,.note-panel p,.article-block p,.step-block p,.legal-block p,.topic-panel p{color:var(--muted)}.note-panel{position:sticky;top:132px}.editorial-primary,.editorial-secondary{border-radius:var(--radius);overflow:hidden;position:relative}.editorial-primary{background:linear-gradient(145deg,rgba(117,68,200,.24),rgba(21,16,32,.98));border:1px solid rgba(166,120,233,.34);padding:28px}.editorial-secondary{background:linear-gradient(145deg,rgba(232,190,88,.08),rgba(21,16,32,.98));border:1px solid var(--card-border);padding:22px}.inline-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.inline-meta span{font-size:13px;color:var(--muted);padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}.asym-grid{display:grid;grid-template-columns:1.2fr .9fr .72fr;gap:20px;align-items:start}.asym-grid article:nth-child(2){margin-top:34px}.asym-grid article:nth-child(3){margin-top:10px}.asym-grid .article-block{height:100%}.text-link{color:var(--gold-bright);font-weight:700}.text-link::after{content:" →"}.guide-row{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:30px;align-items:center;padding:24px 0;border-top:1px solid rgba(166,120,233,.16)}.guide-row.reverse{grid-template-columns:420px minmax(0,1fr)}.guide-row.reverse .guide-copy{order:2}.guide-row.reverse .media-box{order:1}.magazine-band{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:center;padding:30px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(73,36,118,.38),rgba(21,16,32,.96));border:1px solid rgba(232,190,88,.18)}.link-list{display:flex;flex-direction:column}.link-list a{padding:13px 0;border-bottom:1px solid rgba(166,120,233,.15);display:flex;justify-content:space-between;gap:16px;color:var(--muted)}.link-list a:last-child{border-bottom:0}.link-list a strong{color:#fff}.service-band{padding:18px 22px;display:flex;flex-wrap:wrap;gap:6px 18px}.service-band a{font-size:14px;color:var(--muted);padding:6px 0;border-bottom:1px solid transparent}.service-band a:hover{color:#fff;border-color:var(--gold)}.timeline{position:relative;padding-left:26px}.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--purple-bright),rgba(232,190,88,.15))}.timeline-section{position:relative;padding:0 0 28px}.timeline-section::before{content:"";position:absolute;left:-24px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(117,68,200,.18)}.topic-stack{display:grid;gap:18px}.topic-panel:nth-child(even){margin-left:34px}.type-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.type-index .article-block:nth-child(3){grid-column:1/-1}.rule-list{padding-left:20px;color:var(--muted)}.rule-list li{margin-bottom:9px}.route-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.route-group{padding:22px;border-top:2px solid var(--purple);background:rgba(37,26,53,.5);border-radius:0 0 12px 12px}.route-group h2{font-size:20px}.route-group p{color:var(--soft)}.route-group a{display:block;padding:10px 0;border-bottom:1px solid rgba(166,120,233,.13)}.route-group a:last-child{border-bottom:0}.route-group a span{display:block;color:var(--soft);font-size:13px;margin-top:2px}.steps{display:grid;gap:18px;counter-reset:step}.step-block{counter-increment:step;position:relative;padding-left:70px}.step-block::before{content:counter(step);position:absolute;left:24px;top:22px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(117,68,200,.22);color:var(--gold-bright);border:1px solid rgba(232,190,88,.25);font-weight:800}.manual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.feedback-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feedback-flow .article-block:nth-child(2){margin-top:24px}.feedback-flow .article-block:nth-child(3){margin-top:48px}.faq-list{display:grid;gap:12px}.faq-item{padding:20px 22px}.faq-item h2{font-size:18px}.faq-item p{margin-bottom:0;color:var(--muted)}.about-columns{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:30px;align-items:start}.about-aside{border-left:1px solid rgba(232,190,88,.22);padding-left:28px}.section-menu{position:fixed;z-index:150;top:78px;right:max(20px,calc((100vw - 1120px)/2));width:min(440px,calc(100vw - 40px));max-height:70vh;overflow:auto;background:#100b18;border:1px solid rgba(166,120,233,.28);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.55);padding:18px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:180ms}.menu-open .section-menu{visibility:visible;pointer-events:auto;opacity:1;transform:none}.menu-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:12px;border-bottom:1px solid rgba(166,120,233,.16)}.menu-brand{display:flex;align-items:center;gap:10px}.menu-logo{height:22px;width:auto}.close-button{min-height:44px;padding:0 12px;border:1px solid rgba(232,190,88,.22);border-radius:10px;background:#0b0810;color:#fff;cursor:pointer}.menu-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;padding-top:14px}.menu-section h2{font-size:14px;color:var(--gold-bright);margin-bottom:6px}.menu-section a{display:block;padding:8px 0;border-bottom:1px solid rgba(166,120,233,.12)}.menu-section a:last-child{border-bottom:0}.menu-section strong{display:block;font-size:14px}.menu-section span{display:block;font-size:12px;color:var(--soft);line-height:1.5;margin-top:2px}.menu-services{grid-column:1/-1}.menu-services a{display:inline-block;width:49%;vertical-align:top}.overlay{position:fixed;z-index:130;inset:0;background:rgba(2,1,4,.62);opacity:0;transition:180ms}.overlay.is-visible{opacity:1}.search-layer{position:fixed;z-index:160;top:82px;left:50%;width:min(760px,calc(100vw - 40px));transform:translate(-50%,-10px);visibility:hidden;pointer-events:none;opacity:0;transition:180ms}.search-open .search-layer{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-card{background:#100b18;border:1px solid rgba(166,120,233,.28);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.55);padding:24px}.search-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.search-head h2{margin-bottom:6px}.search-card label{display:block;font-size:13px;color:var(--soft);margin:10px 0 8px}.search-input{width:100%;min-height:48px;padding:0 14px;border-radius:11px;border:1px solid rgba(166,120,233,.28);background:#08060d;color:#fff}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 18px;margin-top:16px}.search-results a{padding:9px 0;border-bottom:1px solid rgba(166,120,233,.13);color:var(--muted)}.search-results a[hidden]{display:none}.site-footer{background:#07050C;border-top:1px solid rgba(166,120,233,.22);margin-top:44px;padding:42px 0 24px;font-size:13px;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}.footer-brand strong{display:block;color:var(--gold-bright);font-size:12px;letter-spacing:.08em;margin-top:6px}.footer-brand p{color:var(--soft);margin-top:10px}.footer-links h2{font-size:14px;margin-bottom:8px}.footer-links a{display:block;padding:4px 0;color:var(--muted)}.footer-note{margin-top:26px;padding-top:18px;border-top:1px solid rgba(166,120,233,.12);display:flex;justify-content:space-between;gap:30px}.footer-note p{margin:0;max-width:760px}.mobile-bottom{display:none}
@media (max-width:900px){:root{--header-offset:72px}.shell{width:min(100% - 40px,1120px)}.core-nav{display:none}.quick-strip{display:none}.site-main{padding-top:calc(var(--header-offset) + 34px)}.hero-grid,.editorial-grid,.magazine-band,.about-columns,.split-grid,.guide-row,.guide-row.reverse,.topic-grid{grid-template-columns:1fr}.guide-row.reverse .guide-copy,.guide-row.reverse .media-box{order:initial}.note-panel{position:static}.asym-grid{grid-template-columns:1fr 1fr}.asym-grid article:nth-child(3){grid-column:1/-1;margin-top:0}.asym-grid article:nth-child(2){margin-top:20px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid .footer-links:last-child{grid-column:2/-1}.footer-note{flex-direction:column}.feedback-flow{grid-template-columns:1fr 1fr}.feedback-flow .article-block:nth-child(3){grid-column:1/-1;margin-top:0}.feedback-flow .article-block:nth-child(2){margin-top:16px}}
@media (max-width:620px){:root{--header-offset:72px}.shell{width:calc(100% - 32px)}.topbar-inner{font-size:12px}.brand-row{height:54px;gap:8px}.brand{max-width:155px}.brand-text{font-size:16px}.brand-actions{margin-left:auto;gap:6px}.app-link,.menu-button,.icon-action{padding:0 10px;min-width:44px}.app-link{font-size:0}.app-link::after{content:"APP";font-size:13px}.mobile-only{display:inline-flex}.site-main{padding-top:106px;padding-bottom:58px}.page-section{padding:40px 0}.page-section.compact{padding-top:24px;padding-bottom:32px}.hero-grid,.editorial-grid,.asym-grid,.app-grid,.manual-grid,.route-groups,.type-index,.feedback-flow{grid-template-columns:1fr}.asym-grid article,.asym-grid article:nth-child(2),.asym-grid article:nth-child(3),.topic-panel:nth-child(even),.feedback-flow .article-block:nth-child(2),.feedback-flow .article-block:nth-child(3){margin-top:0;margin-left:0;grid-column:auto}.hero-copy h1,.page-head h1{font-size:clamp(26px,8vw,32px)}.media-box,.media-main,.media-wide,.banner-box{width:100%;max-width:100%;margin-left:auto;margin-right:auto;height:auto;min-height:0;aspect-ratio:16/10;padding:12px}.banner-box{aspect-ratio:16/7}.app-art{width:min(240px,100%);height:320px;aspect-ratio:auto;margin-left:auto;margin-right:auto}.icon-art{width:64px;height:64px;aspect-ratio:1}.magazine-band{padding:22px}.guide-row{gap:20px}.menu-columns{grid-template-columns:1fr}.menu-services{grid-column:auto}.menu-services a{display:block;width:100%}.section-menu{top:72px;right:16px;width:calc(100vw - 32px);max-height:calc(100vh - 146px)}.search-layer{inset:18px 0 0;width:100%;height:calc(100vh - 18px);transform:none;background:#100b18}.search-open .search-layer{transform:none}.search-card{height:100%;border:0;border-radius:0;padding:22px 16px;overflow:auto}.search-results{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}.footer-grid .footer-links:last-child{grid-column:auto}.site-footer{padding-bottom:88px}.mobile-bottom{position:fixed;z-index:105;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(50px + env(safe-area-inset-bottom));padding:0 8px env(safe-area-inset-bottom);background:rgba(9,7,15,.97);border-top:1px solid rgba(166,120,233,.22)}.mobile-bottom a{position:relative;display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--muted);border-radius:9px}.mobile-bottom a[aria-current="page"]::after{content:"";position:absolute;left:24%;right:24%;bottom:4px;height:1px;background:linear-gradient(90deg,var(--gold),var(--purple-bright))}.footer-note{gap:12px}.step-block{padding-left:58px}.step-block::before{left:16px}}
@media (max-width:380px){.topbar-inner span{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand{max-width:120px}.brand-actions{gap:4px}.app-link,.menu-button,.icon-action{padding:0 8px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}