:root{--ink:#213f3c;--muted:#687b77;--green:#19756b;--light:#eaf5ef;--paper:#fcfdfb;--yellow:#f3cb69;--coral:#e9907c;--line:#dce7e0;--body:"PingFang SC","Microsoft YaHei",sans-serif;--display:"STYuanti-SC","Yuanti SC",var(--body)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.75}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #d98732;outline-offset:5px}button{color:inherit}svg{max-width:100%;height:auto}.wrap{width:min(1184px,calc(100% - 64px));margin:auto}header{background:rgba(252,253,251,.97);border-bottom:1px solid 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@media(min-width:1400px){.hero-inner{padding-top:85px;padding-bottom:85px}}@media(max-width:1000px){nav{gap:16px}.brand{font-size:20px}.brand small{font-size:7px}.hero-inner{gap:15px}.course-card{padding:25px;grid-template-columns:1fr .6fr}.screen-art{width:110px;height:90px}.building-art{width:105px;height:115px}.resource-grid,.about-strip{gap:35px}}
@media(max-width:780px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:78px}.brand{font-size:20px}.menu-toggle{display:block;background:none;border:1px solid var(--line);border-radius:8px;width:40px;height:40px;font-size:21px}nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);padding:18px;box-shadow:0 15px 20px #153c3514;align-items:stretch;gap:0}nav.mobile-open{display:flex;flex-direction:column}nav>a,.nav-group>button{display:block;width:100%;text-align:left;padding:13px 7px}.dropdown{position:static;width:100%;box-shadow:none;margin-bottom:10px;border:0;background:var(--light)}.nav-contact{margin-top:12px}.hero-inner{grid-template-columns:1fr;padding-top:42px;padding-bottom:28px;gap:16px}.hero-copy{text-align:center}.hero-copy>p:not(.eyebrow){margin-left:auto;margin-right:auto}.hero-copy h1{font-size:40px;line-height:1.45}.hero-copy .eyebrow{font-size:11px}.actions{justify-content:center}.hero-note{font-size:11px!important}.hero-art{max-width:410px;width:100%;margin:auto}.art-caption{font-size:10px}.quick-links{padding:23px 0;gap:10px}.quick-links a{padding:0 9px;display:block;text-align:center}.quick-links a:first-child{padding-left:0}.quick-icon{margin:0 auto 7px;width:38px;height:38px;font-size:19px}.quick-links strong{font-size:13px}.quick-links small{font-size:10px}.quick-links .arrow{display:none}section.section{padding-top:48px;padding-bottom:48px}.section-heading{gap:15px}.section-heading h2{font-size:26px}.section-heading>a{font-size:12px}.eyebrow{font-size:11px}.course-grid,.resource-grid,.about-strip,.detail-layout{grid-template-columns:1fr;gap:20px}.course-card{min-height:220px;grid-template-columns:1.2fr .8fr;padding:27px}.course-card h3{font-size:24px}.resource-grid h2{font-size:29px}.resource-preview{margin-top:15px;padding:5px 20px;box-shadow:7px 7px 0 #e2ebe1}.about-strip h2{font-size:27px}.contact-card{padding:26px}.contact-card strong{font-size:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{font-size:10px}.page-top{padding:30px 0}.page-top h1{font-size:32px}.page-top p:last-child{font-size:14px}.doc-list{grid-template-columns:1fr}.doc-card{padding:18px}.catalog-tools{gap:8px}.catalog-tools select{max-width:115px;font-size:12px;padding:8px}.search-box input{font-size:14px;padding:12px}.filter{font-size:12px;padding:6px 12px}.notice{font-size:11px}dialog{padding:35px 22px}.detail-layout .actions{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
img{max-width:100%;height:auto}.hero-copy,.hero-art{min-width:0}
@media(max-width:380px){.hero-copy h1{font-size:34px}.actions .button{padding:12px 18px;gap:12px}}

.brand-logo{width:48px;height:48px;object-fit:contain;flex-shrink:0}.footer-brand{display:inline-flex;align-items:center;gap:10px}.footer-brand img{object-fit:contain}@media(max-width:1000px){.brand-logo{width:42px;height:42px}}