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.brand-symbol i{background:#fff}.footer-links{display:flex;gap:80px}.footer-links>div{display:flex;flex-direction:column;gap:7px}.footer-links b{font-size:11px;margin-bottom:7px}.footer-links a,.footer-links button{border:0;background:none;padding:0;text-align:left;color:#adc2b9;font-size:10px;cursor:pointer}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:16px 0;display:flex;justify-content:space-between;color:#91aaa0;font-size:9px}.modal,.ai-drawer{border:0;box-shadow:var(--shadow);color:var(--ink)}.modal::backdrop,.ai-drawer::backdrop{background:rgba(19,38,31,.55);backdrop-filter:blur(4px)}.modal{width:min(560px,calc(100% - 32px));border-radius:24px;padding:27px;background:var(--white)}.modal-head{display:flex;justify-content:space-between;font:20px var(--serif)}.modal-head button,.modal-close,.ai-head button{border:0;background:none;font-size:25px;cursor:pointer}.modal-close{float:right}.search-field{display:flex;gap:10px;border-bottom:1px solid var(--ink);padding:20px 0 9px}.search-field input{border:0;outline:0;background:none;width:100%}.search-results{min-height:130px;padding:18px 0;color:var(--muted)}.search-result{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.login-modal{max-width:440px}.login-modal h2,.detail-modal h2{font:33px var(--serif);margin:8px 0}.login-modal>p:not(.kicker),.detail-modal [data-detail-content]{color:var(--muted)}.login-modal form{display:grid;gap:12px;margin:22px 0}.login-modal label{font-size:11px}.login-modal input{width:100%;border:1px solid var(--line);background:#f3eee4;border-radius:11px;padding:11px;margin-top:5px}.login-modal small{display:block;text-align:center;color:var(--muted)}.modal-actions{display:flex;gap:9px;margin-top:24px}.ai-drawer{position:fixed;margin:0;inset:auto 20px 20px auto;width:min(405px,calc(100% - 40px));height:min(640px,calc(100vh - 40px));border-radius:24px;padding:0;background:var(--white)}.ai-head{display:flex;justify-content:space-between;align-items:center;padding:16px 19px;border-bottom:1px solid var(--line)}.ai-head>div{display:flex;gap:10px}.ai-head>div>span{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff}.ai-head p{display:flex;flex-direction:column;margin:0}.ai-head small{font-size:9px;color:var(--muted)}.ai-messages{height:400px;overflow:auto;padding:19px;display:flex;flex-direction:column;gap:11px}.message{max-width:83%;padding:10px 13px;border-radius:15px;font-size:12px}.message.assistant{background:var(--paper2)}.message.user{align-self:flex-end;background:var(--pine);color:#fff}.ai-quick{display:flex;gap:6px;padding:0 17px}.ai-quick button{border:1px solid var(--line);background:none;border-radius:999px;font-size:9px;padding:5px 8px}.ai-input{display:flex;gap:7px;padding:11px 17px}.ai-input input{flex:1;border:1px solid var(--line);border-radius:999px;padding:9px 13px}.ai-input button{width:40px;border:0;border-radius:50%;background:var(--pine);color:#fff}.ai-drawer>p{text-align:center;font-size:9px;color:var(--muted);margin:0}.share-sheet{position:fixed;z-index:80;inset:0;background:rgba(19,38,31,.6);display:grid;place-items:center;padding:20px}.share-sheet[hidden]{display:none}.share-card{position:relative;background:var(--white);width:min(450px,100%);border-radius:24px;padding:27px}.share-card>button{position:absolute;right:17px;top:13px;border:0;background:none;font-size:25px}.share-card h3{font:27px var(--serif)}.share-preview{display:flex;align-items:center;gap:12px;background:var(--paper2);padding:13px;border-radius:15px;margin:18px 0}.share-preview>span{width:46px;height:46px;border-radius:50%;background:var(--pine);color:#fff;display:grid;place-items:center;font:12px var(--serif)}.share-preview div{display:flex;flex-direction:column}.share-preview small{color:var(--muted)}.share-actions{display:grid;gap:7px}.share-actions button,.share-card>a{border:1px solid var(--line);border-radius:11px;background:none;padding:10px;cursor:pointer;text-align:center}.share-card canvas{width:100%;border-radius:13px;margin:12px 0}.share-card>a{display:block}.share-card>p:last-child{font-size:9px;color:var(--muted)}.toast{position:fixed;z-index:100;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;background:#152f25;color:#fff;padding:10px 17px;border-radius:999px;font-size:11px;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}.reveal{opacity:0;transform:translateY(22px);transition:.7s}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1080px){.primary-nav{gap:13px}.primary-nav a{font-size:11px}.start-grid{grid-template-columns:repeat(2,1fr)}.professional-grid{grid-template-columns:1fr 1fr}.join-card{grid-column:span 2;min-height:250px}.footer-links{gap:40px}}
@media(max-width:820px){.section-shell{width:min(100% - 32px,700px)}.site-header{height:68px;padding:0 16px}.primary-nav{position:fixed;inset:68px 0 auto;background:var(--paper);padding:18px;display:none;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.primary-nav.is-open{display:flex}.primary-nav a{width:100%;padding:8px 0}.primary-nav a:after{display:none}.mobile-menu{display:flex;flex-direction:column;gap:6px;margin-left:auto;padding:10px}.mobile-menu span{width:22px;height:1px;background:var(--ink)}.icon-button{display:none}.hero{grid-template-columns:1fr}.hero-visual{height:500px}.section-heading.split{grid-template-columns:1fr;gap:5px}.growth-feature{grid-template-columns:1fr}.feature-art{min-height:440px}.course-grid,.assessment-grid{grid-template-columns:1fr}.service-layout{grid-template-columns:1fr;gap:28px}.service-nav{display:grid;grid-template-columns:1fr 1fr}.professional-grid{grid-template-columns:1fr}.join-card{grid-column:auto}.ai-panel{grid-template-columns:1fr}.ai-orbit{display:none}.about{grid-template-columns:1fr;gap:40px}.about-mark{height:320px}.footer-main{flex-direction:column}.footer-links{justify-content:space-between}.footer-bottom{flex-direction:column}}
@media(max-width:540px){.section-shell{width:calc(100% - 26px)}.brand-copy small{display:none}.hero h1{font-size:47px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.hero-visual{height:410px}.start-grid{grid-template-columns:1fr}.start-card{min-height:250px}.feature-copy{padding:36px 23px}.feature-art{padding:28px}.services{padding:90px 0}.service-nav{grid-template-columns:1fr}.service-detail{padding:27px}.service-steps{grid-template-columns:1fr}.person-card{grid-template-columns:95px 1fr;gap:14px}.portrait{height:215px}.ai-panel{padding:33px 23px}.about{padding-bottom:90px}.footer-links{gap:22px;flex-wrap:wrap}.modal-actions{flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}
.error-page{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:30px}.error-page h1{font:600 clamp(40px,7vw,72px) var(--serif);margin:10px}.error-page p:not(.kicker){color:var(--muted);margin-bottom:28px}
@import url('/hidden.css');
.portrait img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.person-card a,.join-card a{margin-top:auto;text-align:left;font-size:11px;font-weight:bold}.professional-empty{grid-column:span 2;min-height:245px;padding:34px;border:1px dashed var(--line);border-radius:23px;display:flex;flex-direction:column;justify-content:center}.professional-empty strong{font:27px var(--serif)}.professional-empty p{color:var(--muted);max-width:520px}@media(max-width:700px){.professional-empty{grid-column:auto}}
.content-empty{color:var(--muted);padding:30px 0;border-bottom:1px solid var(--line)}
.offering-empty{grid-column:1/-1;min-height:210px;border:1px dashed currentColor;border-radius:22px;padding:34px;display:flex;flex-direction:column;justify-content:center;opacity:.8}.offering-empty strong{font:26px var(--serif)}.offering-empty p{margin:8px 0;color:inherit}
.about-links a{font-size:11px;font-weight:bold}
.auth-consent{display:flex!important;gap:8px;align-items:flex-start;font-size:10px!important;color:var(--muted)}.auth-consent input{width:auto!important;margin-top:5px!important}.auth-consent a{text-decoration:underline;color:var(--pine)}
.ai-head .ai-head-actions{display:flex;align-items:center;gap:5px}.ai-head .ai-head-actions [data-ai-new]{font-size:10px;border:1px solid var(--line);border-radius:999px;padding:5px 9px}
/* 品牌字体与交互节奏 */
:root{--serif:"STZhongsong","Source Han Serif SC","Noto Serif CJK SC","Microsoft YaHei UI","Microsoft YaHei",sans-serif;--sans:"Microsoft YaHei UI","PingFang SC","Microsoft YaHei",sans-serif}.hero h1{font-size:clamp(52px,5.8vw,82px);line-height:1.16;letter-spacing:-.055em}.reveal{transform:translateY(12px);transition-duration:.38s}.button,.course-card{transition-duration:.18s}