@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&display=swap');

:root{--green:#1769aa;--green-dark:#104e83;--green-light:#e9f3fc;--ink:#1f3345;--muted:#7c8995;--line:#e4ebf1;--paper:#f5f8fb;--gold:#b07b2d;--serif:'Noto Serif SC','Songti SC','SimSun',serif;--sans:'Noto Sans SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button{border:0;background:none}a{color:inherit;text-decoration:none}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #80ae93;outline-offset:4px}button,input,select{touch-action:manipulation}button .icon{flex-shrink:0}.icon{width:20px;height:20px;display:inline-block;vertical-align:middle;flex-shrink:0}h1,h2,h3,p{margin:0}button{transition:background .18s,color .18s,transform .18s}img{display:block;object-fit:cover}::selection{background:#dbe8cc;color:#104e83}
.site-header{height:88px;background:#fff;border-bottom:1px solid #edf0ea;position:sticky;top:0;z-index:20}.header-inner{height:100%;max-width:1280px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:44px}.brand{display:flex;align-items:center;gap:9px;white-space:nowrap;color:var(--green)}.brand-symbol{width:33px;height:35px}.brand-symbol svg{width:100%;height:100%}.brand strong{font-family:var(--serif);font-size:28px;font-weight:700;letter-spacing:3px}.brand-caption{font-size:11px;color:#8c948c;padding-left:12px;border-left:1px solid #dce2d9;margin-left:4px;letter-spacing:1px}.desktop-nav{display:flex;align-self:stretch;gap:31px;white-space:nowrap}.nav-link{padding:0 1px;position:relative;color:#687169;font-size:14px}.nav-link.active{color:var(--green);font-weight:600}.nav-link.active:after{content:'';position:absolute;bottom:0;left:50%;width:22px;height:3px;transform:translateX(-50%);background:var(--green);border-radius:3px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:22px}.search-box{display:flex;align-items:center;gap:10px;background:#f6f7f4;border:1px solid #eef0ea;border-radius:7px;padding:9px 11px;color:#8d968d;width:225px}.search-box .icon{width:17px;height:17px}.search-box input{background:none;border:0;outline:none;min-width:0;width:100%;font-size:12px;color:var(--ink)}.search-box input::placeholder{color:#9a9f99}.search-box kbd{font-family:inherit;font-size:12px;border:1px solid #dce1d9;border-radius:3px;width:18px;text-align:center}.login-button{background:var(--green);color:white;border-radius:6px;padding:10px 19px;font-size:12px;white-space:nowrap;display:flex;align-items:center;gap:8px;min-height:39px}.login-button:hover,.primary-button:hover{background:#174b37}.mini-avatar{display:grid;place-items:center;width:22px;height:22px;background:#e3eccc;color:var(--green);border-radius:50%;font-size:10px}
main{max-width:1280px;margin:auto;padding:32px 28px 0;min-height:calc(100vh - 280px)}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:375px;background:#eaf0e6;border-radius:13px;overflow:hidden;position:relative}.hero-copy{padding:34px 44px 28px;position:relative;z-index:1}.hero-kicker{font-size:11px;letter-spacing:2px;color:#668168;display:flex;align-items:center;gap:8px;margin-bottom:17px}.hero-kicker>span{height:5px;width:5px;background:#829a66;border-radius:50%}.hero h1{font-family:var(--serif);font-size:37px;line-height:1.65;font-weight:600;letter-spacing:3px;color:#254e3d;margin-bottom:12px}.hero-copy>p{font-size:12px;line-height:2;color:#748273;letter-spacing:.5px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:18px;border-radius:6px;padding:12px 22px;font-size:13px;min-height:44px;font-weight:500}.primary-button{background:var(--green);color:#fff}.primary-button .icon{width:17px;height:17px}.secondary-button{background:#f1f4ed;color:var(--green);border:1px solid #dce5d7}.secondary-button:hover{background:#e3ebdc}.hero .primary-button{margin-top:22px;padding:12px 20px;gap:27px;font-size:12px}.hero-social{display:flex;align-items:center;gap:11px;margin-top:22px;color:#899181;font-size:10px}.hero-social strong{font-weight:600;color:#567152}.avatar-stack{display:flex;padding-left:0}.avatar-stack img,.avatar-stack>span{height:25px;width:25px;border-radius:50%;border:2px solid #eaf0e6;margin-left:-7px;background:#dadfce}.avatar-stack img:first-child{margin-left:0}.avatar-stack>span{display:grid;place-items:center;color:#6d7c5f;font-size:13px}.hero-visual{position:relative;min-width:0;overflow:hidden;margin:14px 14px 14px 0;border-radius:8px}.hero-image{width:100%;height:100%;position:absolute;object-position:50% 55%}.hero-image-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,32,17,.12),rgba(16,33,20,.05) 25%,rgba(12,29,19,.75))}.hero-image-label{position:absolute;top:22px;left:23px;display:flex;align-items:center;gap:6px;color:white;background:#ffffff1f;border:1px solid #ffffff4d;border-radius:3px;padding:5px 9px;font-size:10px;backdrop-filter:blur(7px)}.small-dot{width:4px;height:4px;border-radius:50%;background:#d4e5b1}.hero-quote{position:absolute;bottom:56px;left:32px;color:white}.hero-quote>span{font-size:11px;letter-spacing:3px;color:#dee1d2}.hero-quote h2{font-family:var(--serif);font-size:26px;font-weight:500;letter-spacing:2px;margin:12px 0 20px}.hero-quote button{display:flex;align-items:center;gap:38px;color:#e2e7dc;font-size:11px;padding:0}.hero-quote button:hover{color:white}.hero-quote button .icon{width:16px;height:16px}.hero-image-count{position:absolute;bottom:20px;left:32px;right:27px;display:flex;gap:9px;align-items:center;color:#ffffff7a;font-size:10px}.hero-image-count strong{color:#fff;font-weight:500}.hero-image-count i{width:55px;height:2px;background:linear-gradient(90deg,#d2dec8 33%,#ffffff40 33%);margin-left:auto}
.categories{display:flex;justify-content:space-between;gap:12px;padding:26px 0 27px;border-bottom:1px solid #e4e8df;margin-bottom:30px}.category{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 19px;min-height:61px;border:1px solid transparent;border-radius:8px;flex:1;white-space:nowrap;font-size:13px;color:#677365}.category-icon{display:grid;place-items:center;width:34px;height:34px;color:#7c8b72;background:#ecf0e6;border-radius:8px}.category-icon .icon{width:20px;height:20px}.category.active{background:#fff;border-color:#d7e2d4;color:var(--green);font-weight:600}.category.active .category-icon{color:#fff;background:var(--green)}.category:hover:not(.active){background:#eef1e9}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:28px;align-items:start}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}.section-heading h2{font-size:22px;font-weight:600;display:flex;align-items:center;gap:9px;letter-spacing:1px}.heading-dot{width:5px;height:5px;border-radius:50%;background:#8aa281}.section-heading p{margin-top:7px;font-size:11px;color:#93998f;letter-spacing:.4px}.text-button{display:inline-flex;gap:8px;align-items:center;font-size:11px;color:#7f8b7c;padding:5px 0}.text-button .icon{width:15px;height:15px}.text-button:hover{color:var(--green)}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px;gap:10px}.format-tabs{display:flex;gap:5px}.format-tabs button{padding:8px 14px;display:flex;gap:6px;align-items:center;border-radius:5px;color:#7b8677;font-size:11px;min-height:34px}.format-tabs button .icon{width:14px;height:14px}.format-tabs button.active{background:#e9eee3;color:var(--green);font-weight:500}.format-tabs button:hover{background:#edf1e8}.catalog-toolbar select{border:0;background:transparent;color:#8b9387;font-size:11px;max-width:100px;padding:7px 4px;cursor:pointer}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:21px 18px}.course-card{background:#fff;border-radius:9px;border:1px solid #e9ece5;overflow:hidden;transition:box-shadow .2s,transform .2s;min-width:0}.course-card:hover{box-shadow:0 6px 20px #293d2910;transform:translateY(-3px)}.course-cover{display:block;position:relative;width:100%;padding:0;aspect-ratio:1.66;overflow:hidden;text-align:left;background:#dfe5d9}.course-cover:after{content:'';position:absolute;inset:55% 0 0;background:linear-gradient(transparent,#0005);pointer-events:none}.course-cover>img{width:100%;height:100%;transition:transform .5s}.course-card:hover .course-cover>img{transform:scale(1.045)}.format-chip{position:absolute;left:10px;top:10px;display:flex;gap:4px;align-items:center;color:#fff;background:#2233277a;backdrop-filter:blur(5px);border:1px solid #ffffff22;border-radius:4px;padding:4px 6px;font-size:9px}.format-chip .icon{width:12px;height:12px}.course-ribbon{position:absolute;right:0;top:12px;background:#e9e1ca;color:#745d37;padding:5px 8px;border-radius:4px 0 0 4px;font-size:9px}.course-ribbon.new{background:#e0e9d8;color:#486345}.cover-bottom{position:absolute;bottom:10px;left:11px;right:10px;display:flex;align-items:center;gap:5px;color:#fff;z-index:1;font-size:9px}.cover-bottom>.icon{width:13px;height:13px;fill:#ffffff40}.hover-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;display:grid;place-items:center;border:1px solid #ffffff9c;color:#fff;background:#ffffff20;backdrop-filter:blur(3px);border-radius:50%;opacity:0;transition:opacity .2s;z-index:2}.course-card:hover .hover-play,.course-cover:focus-visible .hover-play{opacity:1}.course-body{padding:15px 13px 0}.course-category{font-size:9px;color:#94a08c;margin-bottom:7px;letter-spacing:.3px}.course-title{font-size:13px;font-weight:600;line-height:1.7;text-align:left;padding:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;width:100%;letter-spacing:.1px}.course-title:hover{color:var(--green)}.course-subtitle{font-size:10px;color:#969c91;margin-top:6px;line-height:1.7;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.course-author{display:flex;align-items:center;gap:6px;font-size:10px;color:#788171;margin-top:16px;overflow:hidden;white-space:nowrap}.author-avatar{color:white;width:22px;height:22px;border-radius:50%;display:inline-grid;place-items:center;flex-shrink:0;font-family:var(--serif);font-size:10px}.author-role{color:#a0a59a;font-size:9px;border-left:1px solid #e8eae3;margin-left:2px;padding-left:7px;overflow:hidden;text-overflow:ellipsis}.course-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #eef0e9;margin-top:14px;padding:12px 0;gap:4px}.access-badge{font-size:9px;display:flex;align-items:center;gap:4px;color:#a08656;white-space:nowrap}.access-badge .icon{width:13px;height:13px}.access-badge.free{color:#63816a}.learner-count{font-size:9px;color:#a0a697;white-space:nowrap}.load-more{width:100%;min-height:42px;border:1px solid #e1e7dc;border-radius:6px;background:#f5f7f1;font-size:11px;color:#7a8a72;margin-top:25px;display:flex;align-items:center;justify-content:center;gap:12px}.load-more .icon{width:14px;height:14px}.load-more:hover{background:#eaf0e4}.list-end{text-align:center;color:#a0a798;font-size:10px;padding:26px 0 8px}.sidebar{padding-top:4px}.membership-promo{background:#245440;border-radius:10px;position:relative;overflow:hidden;padding:23px 22px 22px;color:#eff2e8}.promo-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.promo-top>span:first-child{font-size:12px;display:flex;gap:6px;align-items:center;color:#e0ddba}.promo-top .icon{width:18px;height:18px}.member-mini-label{font-size:8px;color:#becbab}.membership-promo h3{font-family:var(--serif);font-size:24px;letter-spacing:1px;font-weight:500;line-height:1.65;margin-top:22px;position:relative;z-index:1}.membership-promo p{font-size:10px;color:#b0c4af;line-height:1.9;letter-spacing:.5px;margin-top:12px;position:relative;z-index:1}.membership-promo button{margin-top:23px;width:100%;border:1px solid #d3dab675;border-radius:5px;color:#edeaca;font-size:11px;display:flex;justify-content:space-between;align-items:center;padding:10px 13px;position:relative;z-index:1;background:#dbe4c30b}.membership-promo button:hover{background:#ffffff13}.membership-promo button .icon{width:15px;height:15px}.promo-orbit{position:absolute;width:205px;height:205px;border:1px solid #c5d5af29;border-radius:50%;transform:rotate(-28deg) scaleX(.55);right:-70px;top:56px}.orbit-two{transform:rotate(28deg) scaleX(.55);right:-65px}.promo-star{position:absolute;font-family:serif;right:16px;top:147px;font-size:53px;color:#cad8a070}.ranking{margin-top:24px;background:#fff;border:1px solid #e7ebe2;border-radius:9px;padding:20px 17px 9px}.side-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.side-heading h3{font-size:14px;font-weight:600}.side-heading>span{font-size:9px;color:#a0a793}.ranking-item{display:flex;align-items:center;text-align:left;gap:11px;padding:16px 0;width:100%;border-bottom:1px solid #eff1ea}.ranking-item:last-child{border-bottom:0}.rank-number{font-family:Georgia,serif;font-style:italic;font-weight:600;font-size:23px;color:#a2ac98;align-self:flex-start;margin-top:-2px}.rank-0{color:#a58f62}.rank-1{color:#8c9b7e}.ranking-item>div{min-width:0}.ranking-item strong{display:block;font-size:11px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:168px}.ranking-item div>span{font-size:9px;display:block;color:#a0a793;margin-top:7px}.ranking-item>.icon{width:12px;height:12px;margin-left:auto;color:#a8b09f}.ranking-item:hover strong{color:var(--green)}.daily-note{margin-top:22px;background:#eef1e7;border:1px solid #e4e9dc;border-radius:9px;padding:19px 20px}.note-heading{display:flex;justify-content:space-between;align-items:center}.note-heading>span:first-child{display:flex;align-items:center;gap:6px;font-size:10px;color:#7e8c72}.note-heading .icon{width:14px;height:14px}.note-heading>span:last-child{font-family:Georgia,serif;font-size:40px;line-height:20px;color:#bcc8ad;transform:translateY(9px)}.daily-note blockquote{font-family:var(--serif);font-size:15px;line-height:2;font-weight:500;margin:17px 0;color:#647459}.note-bottom{display:flex;align-items:center;gap:10px}.note-bottom>span:first-child{color:#9ca68f;font-size:9px}.note-line{height:1px;background:#d1dac5;flex:1}.sidebar-assurance{display:flex;justify-content:center;gap:13px;font-size:8px;color:#99a08f;margin-top:20px;white-space:nowrap}.sidebar-assurance span{display:flex;align-items:center;gap:3px}.sidebar-assurance .icon{width:11px;height:11px}
.bottom-banner{border-top:1px solid #e5e9df;border-bottom:1px solid #e5e9df;margin-top:43px;padding:28px 26px;display:flex;align-items:center;gap:20px}.banner-book{width:50px;height:50px;display:grid;place-items:center;background:#e9eee2;border-radius:50%;color:#8b9a7a}.banner-book .icon{width:24px;height:24px}.bottom-banner h3{font-family:var(--serif);font-weight:500;font-size:18px;letter-spacing:1px;color:#67765c}.bottom-banner p{font-size:10px;color:#9aa28e;margin-top:9px}.bottom-banner>span:last-child{margin-left:auto;display:flex;align-items:center;gap:15px;color:#98a48b;font-size:11px;letter-spacing:1px}.site-footer{max-width:1280px;padding:30px 28px;margin:auto;display:flex;align-items:center;gap:17px;color:#a0a699;font-size:10px;flex-wrap:wrap}.footer-brand{gap:6px}.footer-brand strong{font-size:19px;letter-spacing:2px}.footer-brand .icon{width:21px;height:21px}.site-footer>div{display:flex;gap:23px;margin-left:auto}.site-footer>div button{font-size:10px;color:#8e9886;padding:5px}.site-footer small{width:100%;text-align:center;font-size:9px;margin-top:5px;color:#abb1a2}.mobile-nav{display:none}
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.guest-learning{min-height:560px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:22px}.guest-illustration{display:grid;place-items:center;width:100px;height:100px;background:#e5eddf;border-radius:50%;margin-bottom:5px;color:#719161}.guest-illustration .icon{width:42px;height:42px}.guest-learning h1{font-family:var(--serif);font-size:30px;font-weight:500}.guest-learning p{color:#95a087;line-height:2;font-size:13px}.profile-header{display:flex;gap:25px;align-items:center;padding:25px 0 35px}.profile-avatar{width:88px;height:88px;display:grid;place-items:center;background:#dee9d1;border-radius:50%;color:#617e4c;font-family:var(--serif);font-size:36px}.profile-header h1{font-size:27px;font-weight:500;margin:9px 0 10px}.profile-tier{display:inline-flex;align-items:center;gap:5px;color:#8c946d;font-size:11px}.profile-tier .icon{width:16px;height:16px}.profile-header>button{margin-left:auto}.learning-stats{display:flex;align-items:center;gap:65px;padding:28px 35px;background:#edf2e7;border:1px solid #e2e9d8;border-radius:10px}.learning-stats>div{display:flex;align-items:center;gap:16px}.learning-stats strong{font-size:29px;font-weight:500;color:#648357}.learning-stats span{font-size:12px;color:#879778}.learning-stats button{margin-left:auto;display:flex;align-items:center;gap:15px;color:#5d7c50;font-size:12px}.learning-heading{display:flex;justify-content:space-between;align-items:center;margin-top:42px;margin-bottom:22px}.learning-heading h2{font-size:22px;font-weight:500}.learning-tabs{margin-bottom:24px}.learning-grid{grid-template-columns:repeat(4,minmax(0,1fr));padding-bottom:40px}.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:280px;padding:30px 15px;gap:17px}.empty-state>.icon{width:36px;height:36px;color:#9eb18f}.empty-state h3{font-size:19px;font-weight:500}.empty-state p{font-size:12px;color:#9ba58f;line-height:1.8}.loading-state{min-height:550px;display:flex;align-items:center;justify-content:center;gap:15px;color:#7b8c6b;font-size:13px}.loading-state>span{width:18px;height:18px;border:2px solid #cad6bf;border-top-color:#46623e;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
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@media(min-width:1440px){.header-inner,main,.site-footer{max-width:1336px}.header-inner{gap:57px}.desktop-nav{gap:36px}.hero{min-height:404px}.hero-copy{padding-top:39px}.hero h1{font-size:40px}.hero-copy>p{font-size:13px}.hero-social{margin-top:25px}.content-layout{grid-template-columns:minmax(0,1fr) 280px;gap:30px}.course-title{font-size:14px}.course-body{padding-left:15px;padding-right:15px}.course-subtitle{font-size:11px}.course-author{margin-top:17px}.course-bottom{padding:14px 0}.course-category{font-size:10px}.membership-promo{padding:25px}.ranking-item strong{max-width:185px}.hero-quote h2{font-size:28px}}
@media(max-width:1150px){.brand-caption{display:none}.header-inner{gap:35px}.desktop-nav{gap:25px}.header-actions{gap:15px}.search-box{width:200px}.hero h1{font-size:32px}.hero-copy{padding:32px}.hero-quote h2{font-size:23px}.hero-quote{left:25px}.hero-social{font-size:9px}.category{padding:10px 9px;gap:9px;font-size:12px}.content-layout{grid-template-columns:minmax(0,1fr) 235px;gap:22px}.course-grid{gap:16px 13px}.course-body{padding:13px 11px 0}.course-title{font-size:12px}.course-author{gap:5px}.author-role{font-size:8px}.course-bottom{flex-wrap:wrap;gap:8px}.sidebar-assurance{gap:8px;font-size:7px}.membership-promo{padding:20px 17px}.membership-promo h3{font-size:22px}.member-mini-label{font-size:7px}.ranking{padding:17px 14px 8px}.rank-number{font-size:20px}.ranking-item{gap:9px}.ranking-item strong{max-width:151px;font-size:10px}.daily-note{padding:18px 15px}.daily-note blockquote{font-size:14px}.learning-stats{gap:30px}.learning-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
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0;flex-wrap:wrap;gap:6px}.access-badge{font-size:8px;gap:3px}.learner-count{font-size:8px}.format-chip{font-size:7px;left:7px;top:7px;padding:3px 4px;gap:3px}.format-chip .icon{width:10px;height:10px}.course-ribbon{font-size:7px;top:8px;padding:4px 5px}.cover-bottom{font-size:8px;bottom:8px;left:8px;gap:4px}.cover-bottom>.icon{width:11px;height:11px}.load-more{margin-top:22px;font-size:10px;min-height:40px}.bottom-banner{padding:21px 0;gap:12px;margin-top:28px}.banner-book{width:40px;height:40px;flex-shrink:0}.banner-book .icon{width:22px;height:22px}.bottom-banner h3{font-size:14px;letter-spacing:.3px}.bottom-banner p{font-size:9px;line-height:1.8;margin-top:6px}.site-footer{padding:22px 17px 95px;gap:9px}.footer-brand{gap:4px}.footer-brand strong{font-size:16px}.footer-brand .icon{width:18px;height:18px}.site-footer>span{font-size:8px}.site-footer>div{gap:8px;margin-left:auto}.site-footer>div button{font-size:8px;padding:3px}.site-footer small{font-size:8px;margin-top:9px}.modal-backdrop{padding:16px}.modal{padding:32px 22px;border-radius:13px;max-height:87dvh}.login-modal{padding-top:40px}.modal h2{font-size:20px}.modal-description{font-size:11px}.modal .section-eyebrow{font-size:10px}.agreement{font-size:9px;gap:6px}.agreement button{font-size:9px}.demo-hint{font-size:9px}.permission-info{font-size:11px;gap:15px 9px}.content-modal{padding:38px 20px 27px}.content-modal h1{font-size:22px}.detail-subtitle{font-size:11px}.detail-meta{font-size:10px;gap:6px}.detail-meta>span:nth-of-type(2){padding-left:8px;margin-left:2px}.article-body{font-size:13px}.article-body h2{font-size:18px}.article-body blockquote{font-size:14px;padding:13px 15px}.page-heading{padding:23px 0 24px}.page-heading h1{font-size:27px;line-height:1.8;letter-spacing:0}.page-heading p{font-size:11px;line-height:2}.page-heading .section-eyebrow{font-size:10px;letter-spacing:1.5px}.membership-plans{margin-top:12px;gap:26px}.membership-disclaimer{font-size:9px;padding:0 8px}.faq h2{font-size:18px}.faq details{font-size:12px}.faq details p{font-size:11px}.guest-learning{min-height:570px;gap:22px}.guest-learning h1{font-size:22px}.guest-learning p{font-size:11px}.profile-header{padding:21px 0 28px;gap:15px}.profile-avatar{width:65px;height:65px;font-size:27px}.profile-header .section-eyebrow{font-size:9px;letter-spacing:1px}.profile-header h1{font-size:22px;margin:7px 0}.profile-tier{font-size:10px}.profile-header>button{font-size:10px}.learning-stats{padding:23px 22px}.learning-stats strong{font-size:28px}.learning-heading{margin-top:32px}.learning-heading h2{font-size:20px}.learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-default{font-size:11px}.admin-checkboxes{gap:10px}.admin-checkboxes label{font-size:10px;gap:3px}.admin-course{padding:12px 9px}.admin-course legend{font-size:11px}.admin-notice{font-size:10px}.admin-modal select{font-size:10px}.empty-state h3{font-size:17px}.empty-state p{font-size:11px}.empty-state{min-height:290px}.hover-play{width:32px;height:32px}.hover-play .icon{width:17px;height:17px}}
@media(max-width:370px){.header-inner{padding:0 13px}.brand{gap:5px}.brand strong{font-size:23px}.brand-symbol{width:26px}.search-box{width:124px}.login-button{padding:8px}.header-actions{gap:7px}.hero-copy{padding:22px 20px 19px}.hero h1{font-size:29px}.category{font-size:9px}.format-tabs button{padding:8px}.course-grid{gap:14px 10px}.course-body{padding:10px 8px 0}.learner-count{display:none}.hero-social{font-size:8px}.bottom-banner h3{font-size:13px}.site-footer>span{display:none}.guest-learning h1{font-size:20px}}
@media(max-width:560px){.hero-copy{padding:20px 23px}.hero-kicker{margin-bottom:10px}.hero h1{font-size:28px;line-height:1.5;margin-bottom:9px}.hero .primary-button{margin-top:14px}.hero-social{display:none}.hero-visual{height:135px}.hero-quote{bottom:15px}.hero-quote>span{display:none}.hero-quote h2{font-size:20px;margin:5px 0 10px}.hero-image-label{top:10px;padding:3px 6px;font-size:7px}.hero-image-count{bottom:15px}}
.diy-home{padding-bottom:24px}.diy-banner{position:relative;overflow:hidden;display:flex;align-items:center;background:#284a3b;color:#fff}.diy-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.diy-banner:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#102a20b3,#102a2022)}.diy-banner-copy{position:relative;z-index:1;padding:35px 44px;max-width:680px}.diy-banner h1{font-family:var(--serif);font-size:36px;line-height:1.6;white-space:pre-line;overflow-wrap:anywhere}.diy-banner p{font-size:13px;line-height:2;margin-top:16px;white-space:pre-line}.diy-banner .primary-button{margin-top:22px;background:#f2f7ee;color:#2d5a44}.diy-categories{margin-bottom:30px}.diy-course-section{padding:25px 0}.diy-course-section .course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.diy-text,.diy-image{padding:26px 0}.diy-text h2,.diy-image h2,.diy-membership h2{font-size:23px;line-height:1.8;overflow-wrap:anywhere}.diy-text p,.diy-image p{font-size:14px;line-height:2;white-space:pre-wrap;margin-top:12px;color:#788771;overflow-wrap:anywhere}.diy-image>img{width:100%;height:auto;object-fit:cover}.diy-image .primary-button{margin-top:18px}.diy-membership{padding:30px;background:#ebf1e6;display:flex;align-items:center;justify-content:space-between;gap:22px;margin:24px 0}.diy-membership>div{min-width:0}.diy-membership h2{margin-top:10px}.diy-membership p{font-size:12px;color:#829477;line-height:1.9;margin-top:8px;white-space:pre-line}.diy-membership>button{flex-shrink:0}.diy-announcement{display:flex;align-items:center;gap:12px;background:#edf2e7;border-left:3px solid var(--green);padding:16px 20px;margin:20px 0}.diy-announcement p{font-size:12px;line-height:1.8;margin-top:5px;white-space:pre-line;overflow-wrap:anywhere}.diy-announcement strong{font-size:13px}.diy-announcement>div{min-width:0}@media(max-width:560px){.diy-banner{min-height:280px!important}.diy-banner-copy{padding:28px 23px}.diy-banner h1{font-size:28px}.diy-banner p{font-size:11px}.diy-course-section .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.diy-text h2,.diy-image h2,.diy-membership h2{font-size:20px}.diy-text p{font-size:12px}.diy-membership{padding:22px;align-items:flex-start;flex-direction:column}.diy-course-section{padding:18px 0}.diy-course-section .section-heading h2{font-size:20px}}
.header-inner>.brand{min-width:0;max-width:280px}.header-inner>.brand strong{overflow-wrap:anywhere;white-space:normal;line-height:1.35}.header-inner .brand-caption{white-space:normal;max-width:100px;line-height:1.7}.footer-brand{max-width:180px;white-space:normal}.footer-brand strong{overflow-wrap:anywhere;line-height:1.5}@media(max-width:760px){.header-inner>.brand{max-width:180px}.header-inner .brand-caption{display:none}}@media(max-width:560px){.header-inner>.brand{max-width:120px;flex-shrink:1}.header-inner>.brand strong{font-size:21px;letter-spacing:0}.brand-symbol{flex-shrink:0;width:27px}.header-actions{min-width:0;flex:1}.search-box{min-width:62px;width:0;flex:1;max-width:152px}.login-button{flex-shrink:0}.diy-banner{min-height:min(var(--banner-height),360px)!important}.site-header .header-inner{padding-top:12px;padding-bottom:12px}.footer-brand{max-width:135px}.footer-brand strong{font-size:14px}}@media(max-width:370px){.header-inner>.brand{max-width:103px}.header-inner>.brand strong{font-size:18px}.header-actions{gap:7px}.brand-symbol{width:24px}}
@media(max-width:560px){.header-inner>.brand{max-width:137px;gap:6px}.header-inner>.brand strong{font-size:19px}.brand-symbol{width:25px}}@media(max-width:370px){.header-inner>.brand{max-width:125px}.header-inner>.brand strong{font-size:18px}.brand-symbol{width:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* 会员中心：会员号与自定义用户名 */
.member-profile-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);gap:26px;align-items:center;max-width:1020px;margin:0 auto 10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 30px}
.profile-copy h2{font-family:var(--serif);font-size:23px;margin:8px 0 6px;color:var(--ink)}
.profile-copy h2 strong{color:var(--green);font-family:var(--sans);font-size:22px;letter-spacing:.8px}
.profile-copy p{color:var(--muted);font-size:12px;margin:0}
.profile-form{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}
.profile-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted);flex:1 1 200px}
.profile-form input{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}
.profile-form button{min-height:44px;padding:0 22px;border-radius:8px;font-size:13px;white-space:nowrap}
#profile-note{flex:1 1 100%;min-height:16px;margin:0;font-size:12px;color:var(--green)}
@media(max-width:820px){.member-profile-card{grid-template-columns:1fr;padding:22px 20px}.profile-copy h2{font-size:20px}}