:root{--ink:#152925;--muted:#687a76;--line:#dfe9e6;--surface:#fff;--canvas:#f4f8f7;--brand:#0f766e;--brand-dark:#0b5f59;--brand-soft:#e7f5f1;--accent:#f0a33a;--shadow:0 18px 44px rgba(24,67,60,.09)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 8% 0%,rgba(100,196,178,.12),transparent 26rem),linear-gradient(180deg,#fbfdfc 0,var(--canvas) 46rem);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.page-shell{width:min(1180px,calc(100% - 32px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);border-bottom:1px solid rgba(223,233,230,.88);backdrop-filter:blur(18px)}.header-inner{width:min(1180px,calc(100% - 32px));min-height:76px;margin-inline:auto;display:flex;align-items:center;gap:clamp(24px,6vw,72px)}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none;flex:none}.brand-mark{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:var(--brand);border-radius:14px 14px 14px 5px;box-shadow:0 8px 20px rgba(15,118,110,.22)}.brand-mark svg{width:30px;fill:currentColor}.brand-copy{display:grid;gap:2px}.brand-copy strong{font-size:18px;letter-spacing:-.02em}.brand-copy small{color:var(--muted);font-size:10px;letter-spacing:.08em}.search-box{height:46px;max-width:610px;flex:1;display:flex;align-items:center;gap:10px;padding:0 14px;background:#f5f8f7;border:1px solid transparent;border-radius:15px;transition:.24s ease}.search-box:focus-within{background:#fff;border-color:#8dcfc2;box-shadow:0 0 0 4px rgba(15,118,110,.08)}.search-box svg{width:19px;fill:none;stroke:#84938f;stroke-width:1.8}.search-box input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink)}.search-box input::placeholder{color:#93a19e}.search-box kbd{padding:4px 8px;color:#82908d;background:#fff;border:1px solid var(--line);border-radius:7px;font-size:11px}
.category-bar{position:sticky;top:76px;z-index:30;background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.category-tabs{display:flex;gap:8px;padding:12px 0;overflow-x:auto}.category-tab{flex:none;padding:8px 15px;color:#64736f;background:transparent;border:1px solid transparent;border-radius:11px;font-size:13px;transition:transform .18s ease,color .18s ease,background .18s ease}.category-tab:hover{color:var(--brand);background:var(--brand-soft)}.category-tab:active{transform:scale(.96)}.category-tab.active{color:#fff;background:var(--brand);box-shadow:0 7px 18px rgba(15,118,110,.18)}
.main-content{min-height:58vh;padding-block:34px 18px}.intro{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.eyebrow{margin:0 0 6px;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.14em}.intro h1{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(25px,3vw,36px);font-weight:600;letter-spacing:-.03em}.intro p:not(.eyebrow){margin:9px 0 0;color:var(--muted);font-size:14px}.intro-tip{flex:none;padding:9px 13px;color:var(--brand);background:var(--brand-soft);border-radius:10px;font-size:12px}
#articleGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch}.article-card{min-width:0;height:100%;display:flex;flex-direction:column;padding:8px 8px 12px;background:var(--surface);border:1px solid rgba(218,230,226,.9);border-radius:17px;box-shadow:0 4px 16px rgba(35,70,64,.035);cursor:pointer;overflow:hidden;transition:transform .26s cubic-bezier(.2,.8,.2,1),box-shadow .26s ease,border-color .26s ease}.article-card:hover{transform:translateY(-5px);border-color:#b8d8d1;box-shadow:var(--shadow)}.article-card:active{transform:translateY(-1px) scale(.985)}.article-card .cover-wrap{position:relative;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;background:#f2f6f5;border-radius:12px}.article-card .cover-wrap img{width:100%;height:100%;object-fit:contain;transition:transform .35s cubic-bezier(.2,.8,.2,1)}.article-card:hover .cover-wrap img{transform:scale(1.025)}.article-card .badge{position:absolute;z-index:2;top:8px;left:8px;padding:4px 8px;color:#fff;border-radius:7px;font-size:10px;font-weight:650;box-shadow:0 4px 12px rgba(0,0,0,.1)}.badge-free{background:#0f8b73}.badge-vip{background:#d58a24}.badge-ad{background:#5468c8}.article-card .title{min-height:42px;margin:10px 3px 0;color:var(--ink);font-size:14px;font-weight:650;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card .desc{min-height:36px;margin:4px 3px 0;color:var(--muted);font-size:11px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card .meta{margin:auto 3px 0;padding-top:9px;color:#95a29f;font-size:10px}
.state-panel{padding:80px 20px;text-align:center;color:var(--muted)}.state-panel p{margin:12px 0 0;font-size:13px}.state-panel h2{margin:12px 0 0;color:var(--ink);font-size:18px}.loader{width:34px;height:34px;display:inline-block;border:3px solid #d8e8e4;border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}.empty-icon{width:54px;height:54px;display:inline-grid;place-items:center;color:var(--brand);background:var(--brand-soft);border-radius:50%;font-size:32px}@keyframes spin{to{transform:rotate(360deg)}}.load-more-wrap{padding:32px 0 18px;text-align:center}.secondary-button,.primary-button{min-height:42px;padding:0 16px;border-radius:11px;font-size:13px;font-weight:650;transition:.2s ease}.secondary-button{color:var(--brand);background:#fff;border:1px solid #bad9d3}.secondary-button:hover{background:var(--brand-soft)}.primary-button{color:#fff;background:var(--brand);border:1px solid var(--brand)}.primary-button:hover{background:var(--brand-dark);transform:translateY(-1px)}
.site-footer{margin-top:50px;background:#e9f2ef;border-top:1px solid #d6e5e1}.footer-inner{padding-block:30px;text-align:center;color:var(--muted);font-size:12px}.footer-inner p{margin:8px 0 0}.footer-brand{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--ink)}.footer-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px rgba(240,163,58,.14)}.copyright{color:#899793;font-size:11px}
.modal-backdrop{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;background:rgba(10,31,27,.54);backdrop-filter:blur(10px);animation:fade-in .2s ease both}.modal-backdrop.show{display:grid!important}.modal-shell{position:relative;width:min(860px,100%);max-height:min(680px,calc(100vh - 40px));display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);overflow:auto;background:#fff;border:1px solid rgba(255,255,255,.7);border-radius:24px;box-shadow:0 30px 90px rgba(3,29,24,.26);animation:modal-in .32s cubic-bezier(.2,.8,.2,1) both}.modal-close{position:absolute;z-index:3;top:14px;right:14px;width:38px;height:38px;display:grid;place-items:center;color:#667773;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 14px rgba(0,0,0,.06)}.modal-close svg{width:19px;fill:none;stroke:currentColor;stroke-width:1.8}.modal-resource{min-width:0;padding:28px}.modal-cover-wrap{height:300px;display:grid;place-items:center;background:#f1f6f4;border-radius:17px;overflow:hidden}#modalCover{width:100%;height:100%;object-fit:contain}.modal-copy{padding-top:20px}.modal-label,.wechat-pill{display:inline-flex;padding:5px 9px;color:var(--brand);background:var(--brand-soft);border-radius:7px;font-size:10px;font-weight:700;letter-spacing:.08em}.modal-copy h2{margin:10px 0 0;font-family:Georgia,"Songti SC",serif;font-size:24px;line-height:1.35}.modal-copy>p{margin:9px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.modal-note{margin-top:18px;display:flex;gap:9px;padding:12px;color:#52645f;background:#f6f9f8;border-radius:11px;font-size:11px;line-height:1.55}.modal-note span{color:var(--brand);font-weight:700}.modal-note p{margin:0}.qr-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 28px 30px;text-align:center;background:#eef7f4;border-left:1px solid #dcebe7}.qr-panel h3{margin:12px 0 0;font-family:Georgia,"Songti SC",serif;font-size:22px}.qr-panel>p{max-width:260px;margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.6}.qr-frame{margin-top:18px;padding:12px;background:#fff;border:1px solid #d6e7e2;border-radius:15px;box-shadow:0 10px 30px rgba(15,118,110,.1)}.qr-frame canvas,.qr-frame img{width:180px!important;height:180px!important;display:block}.qr-panel .qr-help{margin-top:10px;color:#7d8d89;font-size:11px}.modal-actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.toast{position:fixed;z-index:80;top:22px;left:50%;transform:translate(-50%,-12px);padding:11px 16px;color:#fff;background:#173b35;border-radius:10px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s ease;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}@keyframes fade-in{from{opacity:0}}@keyframes modal-in{from{opacity:0;transform:translateY(18px) scale(.98)}}.search-highlight{padding:0 2px;background:#ffe5a8;border-radius:3px}.scrollbar-hide{scrollbar-width:none}.scrollbar-hide::-webkit-scrollbar{display:none}
@media (min-width:768px){#articleGrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-card{padding:10px 10px 14px}}
@media (min-width:1024px){#articleGrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
@media (min-width:1280px){#articleGrid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media (max-width:767px){.page-shell,.header-inner{width:min(100% - 24px,1180px)}.header-inner{min-height:auto;padding:11px 0;display:grid;gap:10px}.brand-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px}.brand-mark svg{width:25px}.brand-copy strong{font-size:16px}.brand-copy small,.search-box kbd{display:none}.search-box{width:100%;max-width:none;height:42px;border-radius:12px}.category-bar{top:99px}.category-tabs{padding:9px 0}.category-tab{padding:7px 12px}.main-content{padding-top:24px}.intro{align-items:start;margin-bottom:18px}.intro-tip{display:none}.intro h1{font-size:25px}.intro p:not(.eyebrow){font-size:12px;line-height:1.6}.article-card .desc{display:none}.article-card .title{min-height:39px;margin-top:8px;font-size:12px}.article-card .meta{padding-top:7px;font-size:9px}.modal-backdrop{align-items:end;padding:0}.modal-shell{width:100%;max-height:92vh;display:block;border-radius:22px 22px 0 0}.modal-resource{padding:18px 18px 12px}.modal-cover-wrap{height:min(42vh,280px)}.modal-copy{padding-top:14px}.modal-copy h2{padding-right:36px;font-size:20px}.modal-note{display:none}.qr-panel{padding:18px;border-top:1px solid #dcebe7;border-left:0}.qr-panel h3{font-size:19px}.qr-frame canvas,.qr-frame img{width:154px!important;height:154px!important}.modal-actions{max-width:400px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
.search-box kbd{flex:none;white-space:nowrap}
.brand-mark{background:#fff url('/home/logo-xiaoqingting.png') center/cover no-repeat}.brand-mark svg{visibility:hidden}
.cover-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#7a928c;background:linear-gradient(145deg,#edf6f3,#f8fbfa)}
.cover-placeholder span{font-size:10px;letter-spacing:.14em}
.cover-placeholder strong{font-family:Georgia,"Songti SC",serif;font-size:18px;font-weight:500}
.qr-loading,.qr-error{width:180px;height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#72827e;font-size:12px;line-height:1.7}.qr-loading span{width:28px;height:28px;border:3px solid #d9e9e5;border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}.qr-loading p{margin:10px 0 0}.qr-error{color:#9a665f;background:#fff7f5;border-radius:10px}.qr-error small{color:#9baaa6}
.modal-shell{width:min(920px,100%);height:min(660px,calc(100vh - 40px));max-height:none;overflow:hidden}
.modal-resource{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.qr-panel{min-height:0;justify-content:flex-end;overflow:hidden}
.article-body{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.article-body-heading{display:flex;align-items:center;gap:9px;margin-bottom:14px}.article-body-heading span{width:4px;height:17px;background:var(--accent);border-radius:3px}.article-body-heading h3{margin:0;font-family:Georgia,"Songti SC",serif;font-size:17px;font-weight:600}
.article-content{color:#40514d;font-size:14px;line-height:1.85;overflow-wrap:anywhere}.article-content>*:first-child{margin-top:0}.article-content>*:last-child{margin-bottom:0}.article-content p{margin:0 0 14px}.article-content h1,.article-content h2,.article-content h3,.article-content h4{margin:22px 0 10px;color:var(--ink);line-height:1.45}.article-content img{display:block;max-width:100%;height:auto;margin:16px auto;border-radius:12px}.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.article-content ul,.article-content ol{padding-left:1.4em}.article-content blockquote{margin:16px 0;padding:12px 15px;color:#60736e;background:#f3f8f6;border-left:3px solid #75b8aa;border-radius:0 9px 9px 0}.article-content-empty{color:#98a6a2}
.qr-panel{justify-content:flex-start;gap:16px}.qr-panel-main{width:100%;margin-top:auto;display:flex;flex-direction:column;align-items:center}.qr-panel-main>p{max-width:260px;margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.article-notice{align-self:stretch;display:flex;align-items:flex-start;gap:12px;max-height:150px;overflow-y:auto;margin:0;padding:16px;border:1px solid #efd391;border-left:4px solid #e3972f;border-radius:14px;background:linear-gradient(125deg,#fff4d9,#fffaf0);box-shadow:0 9px 24px rgba(164,102,17,.1);text-align:left;scrollbar-width:thin}.article-notice[hidden]{display:none}.article-notice-icon{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#8a4d0d;background:#ffe3a0}.article-notice-icon svg{width:20px;height:20px}.article-notice p{margin:2px 0 0;color:#714319;font-size:15px;font-weight:600;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}
.modal-cover-wrap,.qr-frame:has(img){cursor:zoom-in}.modal-cover-wrap{position:relative;outline:none}.modal-cover-wrap::after,.qr-frame:has(img)::after{content:'点击放大';position:absolute;right:12px;bottom:12px;padding:6px 9px;color:#fff;background:rgba(9,52,46,.72);border:1px solid rgba(255,255,255,.24);border-radius:8px;backdrop-filter:blur(8px);font-size:10px;font-weight:650;letter-spacing:.04em;opacity:0;transform:translateY(5px);transition:.2s ease}.modal-cover-wrap:hover::after,.modal-cover-wrap:focus-visible::after,.qr-frame:has(img):hover::after{opacity:1;transform:none}.modal-cover-wrap:focus-visible{box-shadow:0 0 0 4px rgba(15,118,110,.2)}.qr-frame{position:relative;overflow:hidden}
.image-viewer{position:fixed;inset:0;z-index:120;display:grid;grid-template-rows:1fr auto auto;padding:24px;background:rgba(3,17,14,.92);backdrop-filter:blur(18px);animation:fade-in .2s ease both}.image-viewer.show{display:grid!important}.image-viewer-stage{min-width:0;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;user-select:none}.image-viewer-stage img{max-width:min(90vw,1400px);max-height:calc(100vh - 150px);object-fit:contain;will-change:transform;cursor:grab;filter:drop-shadow(0 22px 54px rgba(0,0,0,.35));transition:transform .12s ease}.image-viewer-stage img.is-dragging{cursor:grabbing;transition:none}.image-viewer-close{position:fixed;z-index:2;top:22px;right:22px;width:44px;height:44px;display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:14px;backdrop-filter:blur(12px);transition:.2s ease}.image-viewer-close:hover{background:rgba(255,255,255,.2);transform:rotate(4deg)}.image-viewer-close svg{width:21px;fill:none;stroke:currentColor;stroke-width:1.8}.image-viewer-controls{z-index:2;justify-self:center;display:flex;align-items:center;gap:6px;padding:7px;color:#fff;background:rgba(18,42,37,.82);border:1px solid rgba(255,255,255,.16);border-radius:14px;box-shadow:0 12px 34px rgba(0,0,0,.26);backdrop-filter:blur(14px)}.image-viewer-controls button{height:38px;min-width:40px;padding:0 12px;color:#fff;background:rgba(255,255,255,.1);border:0;border-radius:9px;font-weight:700}.image-viewer-controls button:hover{background:rgba(255,255,255,.2)}.image-viewer-controls output{min-width:58px;text-align:center;font-size:12px;font-variant-numeric:tabular-nums}.image-viewer-controls .image-viewer-reset{margin-left:3px;padding-inline:15px;color:#123b35;background:#d8f0e9}.image-viewer-controls .image-viewer-reset:hover{background:#fff}.image-viewer-hint{margin:10px 0 0;text-align:center;color:rgba(255,255,255,.58);font-size:11px;letter-spacing:.04em}
@media (max-width:767px){.modal-shell{height:92vh;max-height:none;display:grid;grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}.modal-resource{min-height:0;overflow-y:auto}.modal-cover-wrap{height:220px}.article-body{margin-top:19px;padding-top:16px}.article-content{font-size:13px}.qr-panel{justify-content:flex-start;gap:12px;overflow:hidden}.article-notice{max-height:98px;padding:12px 14px}.article-notice p{font-size:14px}.qr-panel-main>p:not(.qr-help){display:none}.qr-panel h3{margin-top:8px}.qr-frame{margin-top:10px}.qr-frame canvas,.qr-frame img{width:132px!important;height:132px!important}.modal-actions{margin-top:12px}}
@media (max-width:767px){.image-viewer{padding:16px 12px 20px}.image-viewer-stage img{max-width:94vw;max-height:calc(100vh - 132px)}.image-viewer-close{top:14px;right:14px;width:42px;height:42px}.image-viewer-hint{font-size:10px}.modal-cover-wrap::after,.qr-frame:has(img)::after{opacity:1;transform:none;padding:5px 7px;background:rgba(9,52,46,.62)}}