*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#10151D;color:#E0E4E8;font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;overflow-x:hidden}a{color:#c0e0f0;text-decoration:none}a:hover{color:#fff}a:active,button:active{transform:translateY(1px)}:focus-visible{outline:3px solid #9CC5DB;outline-offset:3px}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#F7F5F2;line-height:1.3;letter-spacing:.01em}h1{font-size:clamp(27px,3.4vw,38px)}h2{font-size:clamp(23px,2.5vw,27px)}h3{font-size:clamp(18px,2vw,21px)}p{margin-bottom:1.15em}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:16px;background:#fff;color:#10151D;padding:8px 14px;z-index:200}.skip-link:focus{top:6px}.site-header{border-bottom:1px solid #34414F;background:#10151D;position:relative;z-index:80}.masthead{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;color:#F7F5F2;min-width:0;line-height:1.1}.brand img{max-width:40px;max-height:40px;width:auto;height:auto;object-fit:contain}.brand strong{font-size:21px;display:block}.brand small{display:block;font-size:11px;color:#BBC4CC;letter-spacing:.16em;margin-top:5px}.brand-glyph{width:38px;height:38px;border:2px solid #FF6B7D;border-radius:9px;display:grid;place-items:center;font-weight:900;color:#FF8795}.header-tools{display:flex;align-items:center;gap:18px}.guide-link{color:#E0E4E8}.menu-toggle,.menu-close{min-height:44px;border:1px solid #526376;background:#222C38;color:#F7F5F2;padding:8px 15px;border-radius:9px}.hamburger{font-size:19px;margin-right:5px}.primary-nav{height:48px;border-top:1px solid #34414F}.nav-inner{display:flex;align-items:stretch;gap:28px;height:100%;white-space:nowrap}.nav-inner a{height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;color:#BBC4CC;font-size:14px}.nav-inner a:hover,.nav-inner a.active{color:#F7F5F2;border-bottom-color:#FF6B7D}.menu-panel{position:absolute;top:100%;left:0;right:0;z-index:99;background:#19212C;border-bottom:1px solid #465566;box-shadow:0 25px 50px #0008;max-height:calc(100dvh - 120px);overflow-y:auto}.menu-panel[hidden]{display:none!important}.menu-content{padding-block:22px 30px}.menu-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.menu-heading h2{margin:0}.menu-groups{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}.menu-groups section{border-top:1px solid #34414F;padding-top:16px}.menu-groups h3{font-size:17px;color:#9CC5DB}.menu-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.menu-links a,.menu-home{padding:9px 10px;border-radius:6px;display:block;color:#E0E4E8;min-height:44px}.menu-links a:hover,.menu-links a[aria-current],.menu-home:hover{background:#293846;color:#fff}.menu-home{margin-top:20px;display:inline-block;border:1px solid #465566}.section-block{margin-block:70px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.11em;color:#9CC5DB;margin-bottom:12px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px;border-bottom:1px solid #34414F;padding-bottom:14px}.section-heading h2{margin:0}.section-heading a,.text-link{font-weight:650;color:#ffc0c7}.intro{font-size:17px;color:#BBC4CC;max-width:850px}.hero{margin-top:30px}.hero-visual{max-height:320px;min-height:160px}.media-slot{width:100%;aspect-ratio:16/9;background:#222C38;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-width:0}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;gap:18px;position:relative;color:#E0E4E8;font-weight:700;font-size:clamp(15px,2vw,25px);background:radial-gradient(circle at 72% 22%,#344455 0,transparent 44%),#222C38;padding:20px;text-align:center}.media-ornament{width:50px;height:50px;transform:rotate(-20deg);border:3px solid #FF6B7D;border-radius:12px;opacity:.8;flex:none}.media-slot.logo-slot{aspect-ratio:3/1}.media-slot.portrait{aspect-ratio:3/4;max-height:400px}.media-slot.square-ish{aspect-ratio:4/3}.hero h1{margin:26px 0 12px}.hero-text{max-width:900px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.button-link{min-height:44px;display:inline-flex;align-items:center;padding:9px 19px;border:1px solid #FF6B7D;background:#FF6B7D;color:#10151D;font-weight:750;border-radius:8px}.button-link.secondary{background:transparent;color:#F7F5F2;border-color:#526376}.button-link:hover{background:#ffc2ca;color:#10151D}.feature-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:18px}.stack-cards{display:grid;gap:18px}.card,.panel,.essay{background:#19212C;border:1px solid #34414F;border-radius:12px;padding:22px;min-width:0}.card:hover{border-color:#5d7588}.card img{max-width:100%}.card h3{margin:15px 0 8px}.card p{color:#C3CBD3}.card .media-slot{margin-bottom:15px}.feature-layout .lead-card .media-slot{aspect-ratio:16/7}.small-card{display:flex;flex-direction:column;justify-content:center}.small-card h3{margin-top:0}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.topic-card{padding:20px;border:1px solid #34414F;border-radius:12px;background:#19212C}.topic-card h3{margin-bottom:8px}.topic-card p{color:#BBC4CC}.topic-card a{font-weight:650;color:#ffbac3}.feature-deep .media-slot{aspect-ratio:16/7}.feature-deep ul{padding-left:20px;color:#D2D9DF}.feature-deep li{margin-bottom:6px}.service-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:32px}.service-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.service-links a{border-bottom:1px solid #34414F;padding:12px 6px;min-height:44px}.page-head{padding:45px 0 23px;border-bottom:1px solid #34414F}.page-head .intro{max-width:900px;margin-bottom:0}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px;margin-block:34px 70px;align-items:start}.article-body{min-width:0}.article-body section{margin-bottom:32px}.article-body h2{padding-left:14px;border-left:3px solid #FF6B7D;margin-bottom:18px}.article-body p{line-height:1.85}.article-aside{position:sticky;top:20px}.article-aside .media-slot{aspect-ratio:4/3}.article-aside h3{margin-top:20px}.article-aside a{display:block;border-bottom:1px solid #34414F;padding:10px 0}.article-aside p{color:#BBC4CC;font-size:14px}.prose-callout{border-left:3px solid #9CC5DB;background:#222C38;padding:19px 22px;border-radius:0 10px 10px 0;margin:28px 0}.step-list section{position:relative;padding:22px 26px;border-left:2px solid #435c6c;background:#19212C;margin-bottom:13px;border-radius:0 12px 12px 0}.step-list h2{border:0;padding:0}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.tag-row span{border:1px solid #4e6272;border-radius:6px;padding:7px 12px;color:#D8E4EB}.article-grid.wide-article{grid-template-columns:minmax(0,1fr) 245px}.faq-list{margin:30px auto 70px;max-width:940px}.faq-list details{padding:15px 20px;border-bottom:1px solid #34414F;background:#19212C}.faq-list details:first-child{border-radius:12px 12px 0 0}.faq-list details:last-child{border-radius:0 0 12px 12px}.faq-list summary{font-weight:700;color:#F7F5F2;cursor:pointer;padding:10px 2px;min-height:44px}.faq-list p{margin:12px 0 8px;color:#D5DCE2}.site-footer{margin-top:80px;background:#19212C;border-top:1px solid #34414F;padding-top:42px}.footer-layout{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.footer-layout h2{font-size:17px}.footer-layout a:not(.footer-brand){display:block;margin:8px 0;font-size:14px;color:#C6D4DF}.footer-layout p{max-width:370px;color:#BBC4CC;font-size:14px}.footer-brand{color:#F7F5F2;font-size:22px;font-weight:700}.footer-brand small{display:block;color:#BBC4CC;font-size:12px;letter-spacing:.14em}.footer-bottom{padding:22px 0;margin-top:24px;border-top:1px solid #34414F;color:#BBC4CC;font-size:13px}.mobile-bottom{display:none}.side-index a{display:block;padding:10px 0;border-bottom:1px solid #34414F}.side-index{margin-top:20px}.image-and-text{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}.image-and-text .media-slot{aspect-ratio:16/9}@media(max-width:1024px){.nav-inner{gap:14px}.nav-inner a{font-size:13px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:minmax(0,1fr) 230px}.menu-groups{grid-template-columns:1fr 1fr}}@media(max-width:767px){.wrap{width:calc(100% - 32px)}.masthead{height:60px}.brand strong{font-size:19px}.brand-glyph{width:35px;height:35px}.brand img{max-width:38px;max-height:38px}.guide-link{font-size:13px}.header-tools{gap:8px}.menu-toggle{padding:8px 11px}.primary-nav{display:none}.menu-panel{max-height:calc(100dvh - 60px)}.menu-groups{grid-template-columns:1fr;gap:14px}.menu-links{grid-template-columns:repeat(2,minmax(0,1fr))}.section-block{margin-block:42px}.hero{margin-top:20px}.hero-visual{max-height:220px}.hero h1{margin:20px 0 12px}.grid-2,.grid-3,.feature-layout,.service-grid,.image-and-text{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr 1fr}.feature-layout .lead-card .media-slot{aspect-ratio:16/9}.section-heading{align-items:start}.article-grid,.article-grid.wide-article{grid-template-columns:1fr;margin:24px 0 48px}.article-aside{position:static;order:-1}.article-aside .media-slot{max-height:200px}.page-head{padding:32px 0 20px}.site-footer{margin-top:52px}.footer-layout{grid-template-columns:1fr 1fr;gap:28px}.footer-layout>div:first-child{grid-column:1/-1}.mobile-bottom{height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#19212C;border-top:1px solid #34414F;position:fixed;bottom:0;left:0;right:0;z-index:70;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.mobile-bottom a{display:flex;align-items:center;justify-content:center;flex-direction:column;color:#BBC4CC;font-size:12px;line-height:1.3;min-height:55px}.mobile-bottom a span{font-size:22px}.mobile-bottom a[aria-current]{color:#FF95A1;font-weight:700}.footer-bottom{padding-bottom:90px}.media-fallback{font-size:18px}.media-ornament{width:35px;height:35px}}@media(max-width:420px){.grid-4{grid-template-columns:1fr}.card,.panel,.essay{padding:20px}.header-tools .guide-link{display:none}.media-fallback{gap:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

.nojs-nav{display:flex;gap:6px;flex-wrap:wrap;padding-block:14px}.nojs-nav a{display:inline-block;padding:8px 12px;border:1px solid #34414F;border-radius:6px;min-height:44px}
